diff options
| author |   Yu Ping <ping.yu@intel.com> | 2020-03-19 03:34:52 +0800 |
|---|---|---|
| committer | Yu Ping <ping.yu@intel.com> | 2020-03-19 03:41:25 +0800 |
| commit | 6a5411729539fe21117f406699a69974b320eb7e (patch) | |
| tree | 3974835d15799ef6aa75803f30d07223f3217326 /nginx/src/os | |
| parent | 54346b61f91008c5098243b588f184ad92ad29c9 (diff) | |
remove nginx build directory
Signed-off-by: Yu Ping <ping.yu@intel.com>
Change-Id: I73aba722f06f4cc4be484e3d5f4631225d09de83
Diffstat (limited to 'nginx/src/os')
68 files changed, 0 insertions, 10501 deletions
diff --git a/nginx/src/os/unix/ngx_alloc.c b/nginx/src/os/unix/ngx_alloc.c deleted file mode 100644 index 5c2f787..0000000 --- a/nginx/src/os/unix/ngx_alloc.c +++ /dev/null @@ -1,90 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -ngx_uint_t ngx_pagesize; -ngx_uint_t ngx_pagesize_shift; -ngx_uint_t ngx_cacheline_size; - - -void * -ngx_alloc(size_t size, ngx_log_t *log) -{ - void *p; - - p = malloc(size); - if (p == NULL) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, - "malloc(%uz) failed", size); - } - - ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size); - - return p; -} - - -void * -ngx_calloc(size_t size, ngx_log_t *log) -{ - void *p; - - p = ngx_alloc(size, log); - - if (p) { - ngx_memzero(p, size); - } - - return p; -} - - -#if (NGX_HAVE_POSIX_MEMALIGN) - -void * -ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) -{ - void *p; - int err; - - err = posix_memalign(&p, alignment, size); - - if (err) { - ngx_log_error(NGX_LOG_EMERG, log, err, - "posix_memalign(%uz, %uz) failed", alignment, size); - p = NULL; - } - - ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, - "posix_memalign: %p:%uz @%uz", p, size, alignment); - - return p; -} - -#elif (NGX_HAVE_MEMALIGN) - -void * -ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) -{ - void *p; - - p = memalign(alignment, size); - if (p == NULL) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, - "memalign(%uz, %uz) failed", alignment, size); - } - - ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, - "memalign: %p:%uz @%uz", p, size, alignment); - - return p; -} - -#endif diff --git a/nginx/src/os/unix/ngx_alloc.h b/nginx/src/os/unix/ngx_alloc.h deleted file mode 100644 index 655db25..0000000 --- a/nginx/src/os/unix/ngx_alloc.h +++ /dev/null @@ -1,45 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_ALLOC_H_INCLUDED_ -#define _NGX_ALLOC_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -void *ngx_alloc(size_t size, ngx_log_t *log); -void *ngx_calloc(size_t size, ngx_log_t *log); - -#define ngx_free free - - -/* - * Linux has memalign() or posix_memalign() - * Solaris has memalign() - * FreeBSD 7.0 has posix_memalign(), besides, early version's malloc() - * aligns allocations bigger than page size at the page boundary - */ - -#if (NGX_HAVE_POSIX_MEMALIGN || NGX_HAVE_MEMALIGN) - -void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log); - -#else - -#define ngx_memalign(alignment, size, log) ngx_alloc(size, log) - -#endif - - -extern ngx_uint_t ngx_pagesize; -extern ngx_uint_t ngx_pagesize_shift; -extern ngx_uint_t ngx_cacheline_size; - - -#endif /* _NGX_ALLOC_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_atomic.h b/nginx/src/os/unix/ngx_atomic.h deleted file mode 100644 index 74b8b7f..0000000 --- a/nginx/src/os/unix/ngx_atomic.h +++ /dev/null @@ -1,313 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_ATOMIC_H_INCLUDED_ -#define _NGX_ATOMIC_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_HAVE_LIBATOMIC) - -#define AO_REQUIRE_CAS -#include <atomic_ops.h> - -#define NGX_HAVE_ATOMIC_OPS 1 - -typedef long ngx_atomic_int_t; -typedef AO_t ngx_atomic_uint_t; -typedef volatile ngx_atomic_uint_t ngx_atomic_t; - -#if (NGX_PTR_SIZE == 8) -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) -#else -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) -#endif - -#define ngx_atomic_cmp_set(lock, old, new) \ - AO_compare_and_swap(lock, old, new) -#define ngx_atomic_fetch_add(value, add) \ - AO_fetch_and_add(value, add) -#define ngx_memory_barrier() AO_nop() -#define ngx_cpu_pause() - - -#elif (NGX_DARWIN_ATOMIC) - -/* - * use Darwin 8 atomic(3) and barrier(3) operations - * optimized at run-time for UP and SMP - */ - -#include <libkern/OSAtomic.h> - -/* "bool" conflicts with perl's CORE/handy.h */ -#if 0 -#undef bool -#endif - - -#define NGX_HAVE_ATOMIC_OPS 1 - -#if (NGX_PTR_SIZE == 8) - -typedef int64_t ngx_atomic_int_t; -typedef uint64_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) - -#define ngx_atomic_cmp_set(lock, old, new) \ - OSAtomicCompareAndSwap64Barrier(old, new, (int64_t *) lock) - -#define ngx_atomic_fetch_add(value, add) \ - (OSAtomicAdd64(add, (int64_t *) value) - add) - -#else - -typedef int32_t ngx_atomic_int_t; -typedef uint32_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) - -#define ngx_atomic_cmp_set(lock, old, new) \ - OSAtomicCompareAndSwap32Barrier(old, new, (int32_t *) lock) - -#define ngx_atomic_fetch_add(value, add) \ - (OSAtomicAdd32(add, (int32_t *) value) - add) - -#endif - -#define ngx_memory_barrier() OSMemoryBarrier() - -#define ngx_cpu_pause() - -typedef volatile ngx_atomic_uint_t ngx_atomic_t; - - -#elif (NGX_HAVE_GCC_ATOMIC) - -/* GCC 4.1 builtin atomic operations */ - -#define NGX_HAVE_ATOMIC_OPS 1 - -typedef long ngx_atomic_int_t; -typedef unsigned long ngx_atomic_uint_t; - -#if (NGX_PTR_SIZE == 8) -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) -#else -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) -#endif - -typedef volatile ngx_atomic_uint_t ngx_atomic_t; - - -#define ngx_atomic_cmp_set(lock, old, set) \ - __sync_bool_compare_and_swap(lock, old, set) - -#define ngx_atomic_fetch_add(value, add) \ - __sync_fetch_and_add(value, add) - -#define ngx_memory_barrier() __sync_synchronize() - -#if ( __i386__ || __i386 || __amd64__ || __amd64 ) -#define ngx_cpu_pause() __asm__ ("pause") -#else -#define ngx_cpu_pause() -#endif - - -#elif ( __i386__ || __i386 ) - -typedef int32_t ngx_atomic_int_t; -typedef uint32_t ngx_atomic_uint_t; -typedef volatile ngx_atomic_uint_t ngx_atomic_t; -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) - - -#if ( __SUNPRO_C ) - -#define NGX_HAVE_ATOMIC_OPS 1 - -ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set); - -ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); - -/* - * Sun Studio 12 exits with segmentation fault on '__asm ("pause")', - * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_x86.il - */ - -void -ngx_cpu_pause(void); - -/* the code in src/os/unix/ngx_sunpro_x86.il */ - -#define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile") - - -#else /* ( __GNUC__ || __INTEL_COMPILER ) */ - -#define NGX_HAVE_ATOMIC_OPS 1 - -#include "ngx_gcc_atomic_x86.h" - -#endif - - -#elif ( __amd64__ || __amd64 ) - -typedef int64_t ngx_atomic_int_t; -typedef uint64_t ngx_atomic_uint_t; -typedef volatile ngx_atomic_uint_t ngx_atomic_t; -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) - - -#if ( __SUNPRO_C ) - -#define NGX_HAVE_ATOMIC_OPS 1 - -ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set); - -ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add); - -/* - * Sun Studio 12 exits with segmentation fault on '__asm ("pause")', - * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_amd64.il - */ - -void -ngx_cpu_pause(void); - -/* the code in src/os/unix/ngx_sunpro_amd64.il */ - -#define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile") - - -#else /* ( __GNUC__ || __INTEL_COMPILER ) */ - -#define NGX_HAVE_ATOMIC_OPS 1 - -#include "ngx_gcc_atomic_amd64.h" - -#endif - - -#elif ( __sparc__ || __sparc || __sparcv9 ) - -#if (NGX_PTR_SIZE == 8) - -typedef int64_t ngx_atomic_int_t; -typedef uint64_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) - -#else - -typedef int32_t ngx_atomic_int_t; -typedef uint32_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) - -#endif - -typedef volatile ngx_atomic_uint_t ngx_atomic_t; - - -#if ( __SUNPRO_C ) - -#define NGX_HAVE_ATOMIC_OPS 1 - -#include "ngx_sunpro_atomic_sparc64.h" - - -#else /* ( __GNUC__ || __INTEL_COMPILER ) */ - -#define NGX_HAVE_ATOMIC_OPS 1 - -#include "ngx_gcc_atomic_sparc64.h" - -#endif - - -#elif ( __powerpc__ || __POWERPC__ ) - -#define NGX_HAVE_ATOMIC_OPS 1 - -#if (NGX_PTR_SIZE == 8) - -typedef int64_t ngx_atomic_int_t; -typedef uint64_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1) - -#else - -typedef int32_t ngx_atomic_int_t; -typedef uint32_t ngx_atomic_uint_t; -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) - -#endif - -typedef volatile ngx_atomic_uint_t ngx_atomic_t; - - -#include "ngx_gcc_atomic_ppc.h" - -#endif - - -#if !(NGX_HAVE_ATOMIC_OPS) - -#define NGX_HAVE_ATOMIC_OPS 0 - -typedef int32_t ngx_atomic_int_t; -typedef uint32_t ngx_atomic_uint_t; -typedef volatile ngx_atomic_uint_t ngx_atomic_t; -#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1) - - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - if (*lock == old) { - *lock = set; - return 1; - } - - return 0; -} - - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_int_t old; - - old = *value; - *value += add; - - return old; -} - -#define ngx_memory_barrier() -#define ngx_cpu_pause() - -#endif - - -void ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin); - -#define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1)) -#define ngx_unlock(lock) *(lock) = 0 - - -#endif /* _NGX_ATOMIC_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_channel.c b/nginx/src/os/unix/ngx_channel.c deleted file mode 100644 index 1efa066..0000000 --- a/nginx/src/os/unix/ngx_channel.c +++ /dev/null @@ -1,253 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_channel.h> - - -ngx_int_t -ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, - ngx_log_t *log) -{ - ssize_t n; - ngx_err_t err; - struct iovec iov[1]; - struct msghdr msg; - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - - union { - struct cmsghdr cm; - char space[CMSG_SPACE(sizeof(int))]; - } cmsg; - - if (ch->fd == -1) { - msg.msg_control = NULL; - msg.msg_controllen = 0; - - } else { - msg.msg_control = (caddr_t) &cmsg; - msg.msg_controllen = sizeof(cmsg); - - ngx_memzero(&cmsg, sizeof(cmsg)); - - cmsg.cm.cmsg_len = CMSG_LEN(sizeof(int)); - cmsg.cm.cmsg_level = SOL_SOCKET; - cmsg.cm.cmsg_type = SCM_RIGHTS; - - /* - * We have to use ngx_memcpy() instead of simple - * *(int *) CMSG_DATA(&cmsg.cm) = ch->fd; - * because some gcc 4.4 with -O2/3/s optimization issues the warning: - * dereferencing type-punned pointer will break strict-aliasing rules - * - * Fortunately, gcc with -O1 compiles this ngx_memcpy() - * in the same simple assignment as in the code above - */ - - ngx_memcpy(CMSG_DATA(&cmsg.cm), &ch->fd, sizeof(int)); - } - - msg.msg_flags = 0; - -#else - - if (ch->fd == -1) { - msg.msg_accrights = NULL; - msg.msg_accrightslen = 0; - - } else { - msg.msg_accrights = (caddr_t) &ch->fd; - msg.msg_accrightslen = sizeof(int); - } - -#endif - - iov[0].iov_base = (char *) ch; - iov[0].iov_len = size; - - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_iov = iov; - msg.msg_iovlen = 1; - - n = sendmsg(s, &msg, 0); - - if (n == -1) { - err = ngx_errno; - if (err == NGX_EAGAIN) { - return NGX_AGAIN; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, "sendmsg() failed"); - return NGX_ERROR; - } - - return NGX_OK; -} - - -ngx_int_t -ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, ngx_log_t *log) -{ - ssize_t n; - ngx_err_t err; - struct iovec iov[1]; - struct msghdr msg; - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - union { - struct cmsghdr cm; - char space[CMSG_SPACE(sizeof(int))]; - } cmsg; -#else - int fd; -#endif - - iov[0].iov_base = (char *) ch; - iov[0].iov_len = size; - - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_iov = iov; - msg.msg_iovlen = 1; - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - msg.msg_control = (caddr_t) &cmsg; - msg.msg_controllen = sizeof(cmsg); -#else - msg.msg_accrights = (caddr_t) &fd; - msg.msg_accrightslen = sizeof(int); -#endif - - n = recvmsg(s, &msg, 0); - - if (n == -1) { - err = ngx_errno; - if (err == NGX_EAGAIN) { - return NGX_AGAIN; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, "recvmsg() failed"); - return NGX_ERROR; - } - - if (n == 0) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "recvmsg() returned zero"); - return NGX_ERROR; - } - - if ((size_t) n < sizeof(ngx_channel_t)) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "recvmsg() returned not enough data: %z", n); - return NGX_ERROR; - } - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - - if (ch->command == NGX_CMD_OPEN_CHANNEL) { - - if (cmsg.cm.cmsg_len < (socklen_t) CMSG_LEN(sizeof(int))) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "recvmsg() returned too small ancillary data"); - return NGX_ERROR; - } - - if (cmsg.cm.cmsg_level != SOL_SOCKET || cmsg.cm.cmsg_type != SCM_RIGHTS) - { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "recvmsg() returned invalid ancillary data " - "level %d or type %d", - cmsg.cm.cmsg_level, cmsg.cm.cmsg_type); - return NGX_ERROR; - } - - /* ch->fd = *(int *) CMSG_DATA(&cmsg.cm); */ - - ngx_memcpy(&ch->fd, CMSG_DATA(&cmsg.cm), sizeof(int)); - } - - if (msg.msg_flags & (MSG_TRUNC|MSG_CTRUNC)) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "recvmsg() truncated data"); - } - -#else - - if (ch->command == NGX_CMD_OPEN_CHANNEL) { - if (msg.msg_accrightslen != sizeof(int)) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "recvmsg() returned no ancillary data"); - return NGX_ERROR; - } - - ch->fd = fd; - } - -#endif - - return n; -} - - -ngx_int_t -ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd, ngx_int_t event, - ngx_event_handler_pt handler) -{ - ngx_event_t *ev, *rev, *wev; - ngx_connection_t *c; - - c = ngx_get_connection(fd, cycle->log); - - if (c == NULL) { - return NGX_ERROR; - } - - c->pool = cycle->pool; - - rev = c->read; - wev = c->write; - - rev->log = cycle->log; - wev->log = cycle->log; - - rev->channel = 1; - wev->channel = 1; - - ev = (event == NGX_READ_EVENT) ? rev : wev; - - ev->handler = handler; - - if (ngx_add_conn && (ngx_event_flags & NGX_USE_EPOLL_EVENT) == 0) { - if (ngx_add_conn(c) == NGX_ERROR) { - ngx_free_connection(c); - return NGX_ERROR; - } - - } else { - if (ngx_add_event(ev, event, 0) == NGX_ERROR) { - ngx_free_connection(c); - return NGX_ERROR; - } - } - - return NGX_OK; -} - - -void -ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log) -{ - if (close(fd[0]) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed"); - } - - if (close(fd[1]) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed"); - } -} diff --git a/nginx/src/os/unix/ngx_channel.h b/nginx/src/os/unix/ngx_channel.h deleted file mode 100644 index 362cc64..0000000 --- a/nginx/src/os/unix/ngx_channel.h +++ /dev/null @@ -1,34 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_CHANNEL_H_INCLUDED_ -#define _NGX_CHANNEL_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -typedef struct { - ngx_uint_t command; - ngx_pid_t pid; - ngx_int_t slot; - ngx_fd_t fd; -} ngx_channel_t; - - -ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, - ngx_log_t *log); -ngx_int_t ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, - ngx_log_t *log); -ngx_int_t ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd, - ngx_int_t event, ngx_event_handler_pt handler); -void ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log); - - -#endif /* _NGX_CHANNEL_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_daemon.c b/nginx/src/os/unix/ngx_daemon.c deleted file mode 100644 index 385c49b..0000000 --- a/nginx/src/os/unix/ngx_daemon.c +++ /dev/null @@ -1,71 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -ngx_int_t -ngx_daemon(ngx_log_t *log) -{ - int fd; - - switch (fork()) { - case -1: - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed"); - return NGX_ERROR; - - case 0: - break; - - default: - exit(0); - } - - ngx_parent = ngx_pid; - ngx_pid = ngx_getpid(); - - if (setsid() == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed"); - return NGX_ERROR; - } - - umask(0); - - fd = open("/dev/null", O_RDWR); - if (fd == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, - "open(\"/dev/null\") failed"); - return NGX_ERROR; - } - - if (dup2(fd, STDIN_FILENO) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed"); - return NGX_ERROR; - } - - if (dup2(fd, STDOUT_FILENO) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed"); - return NGX_ERROR; - } - -#if 0 - if (dup2(fd, STDERR_FILENO) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed"); - return NGX_ERROR; - } -#endif - - if (fd > STDERR_FILENO) { - if (close(fd) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed"); - return NGX_ERROR; - } - } - - return NGX_OK; -} diff --git a/nginx/src/os/unix/ngx_darwin.h b/nginx/src/os/unix/ngx_darwin.h deleted file mode 100644 index 4d01b26..0000000 --- a/nginx/src/os/unix/ngx_darwin.h +++ /dev/null @@ -1,23 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_DARWIN_H_INCLUDED_ -#define _NGX_DARWIN_H_INCLUDED_ - - -void ngx_debug_init(void); -ngx_chain_t *ngx_darwin_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - -extern int ngx_darwin_kern_osreldate; -extern int ngx_darwin_hw_ncpu; -extern u_long ngx_darwin_net_inet_tcp_sendspace; - -extern ngx_uint_t ngx_debug_malloc; - - -#endif /* _NGX_DARWIN_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_darwin_config.h b/nginx/src/os/unix/ngx_darwin_config.h deleted file mode 100644 index 0dfe633..0000000 --- a/nginx/src/os/unix/ngx_darwin_config.h +++ /dev/null @@ -1,100 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_DARWIN_CONFIG_H_INCLUDED_ -#define _NGX_DARWIN_CONFIG_H_INCLUDED_ - - -#define __APPLE_USE_RFC_3542 /* IPV6_PKTINFO */ - - -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> -#include <inttypes.h> -#include <stdarg.h> -#include <stddef.h> /* offsetof() */ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <dirent.h> -#include <glob.h> -#include <sys/mount.h> /* statfs() */ - -#include <sys/filio.h> /* FIONBIO */ -#include <sys/ioctl.h> -#include <sys/uio.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/resource.h> -#include <sched.h> - -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> /* TCP_NODELAY */ -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#include <sys/sysctl.h> -#include <xlocale.h> - -#include <dlfcn.h> - - -#ifndef IOV_MAX -#define IOV_MAX 64 -#endif - - -#include <ngx_auto_config.h> - - -#if (NGX_HAVE_POSIX_SEM) -#include <semaphore.h> -#endif - - -#if (NGX_HAVE_POLL) -#include <poll.h> -#endif - - -#if (NGX_HAVE_KQUEUE) -#include <sys/event.h> -#endif - - -#define NGX_LISTEN_BACKLOG -1 - - -#ifndef NGX_HAVE_INHERITED_NONBLOCK -#define NGX_HAVE_INHERITED_NONBLOCK 1 -#endif - - -#ifndef NGX_HAVE_CASELESS_FILESYSTEM -#define NGX_HAVE_CASELESS_FILESYSTEM 1 -#endif - - -#define NGX_HAVE_OS_SPECIFIC_INIT 1 -#define NGX_HAVE_DEBUG_MALLOC 1 - - -extern char **environ; - - -#endif /* _NGX_DARWIN_CONFIG_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_darwin_init.c b/nginx/src/os/unix/ngx_darwin_init.c deleted file mode 100644 index aabe02f..0000000 --- a/nginx/src/os/unix/ngx_darwin_init.c +++ /dev/null @@ -1,198 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -char ngx_darwin_kern_ostype[16]; -char ngx_darwin_kern_osrelease[128]; -int ngx_darwin_hw_ncpu; -int ngx_darwin_kern_ipc_somaxconn; -u_long ngx_darwin_net_inet_tcp_sendspace; - -ngx_uint_t ngx_debug_malloc; - - -static ngx_os_io_t ngx_darwin_io = { - ngx_unix_recv, - ngx_readv_chain, - ngx_udp_unix_recv, - ngx_unix_send, - ngx_udp_unix_send, - ngx_udp_unix_sendmsg_chain, -#if (NGX_HAVE_SENDFILE) - ngx_darwin_sendfile_chain, - NGX_IO_SENDFILE -#else - ngx_writev_chain, - 0 -#endif -}; - - -typedef struct { - char *name; - void *value; - size_t size; - ngx_uint_t exists; -} sysctl_t; - - -sysctl_t sysctls[] = { - { "hw.ncpu", - &ngx_darwin_hw_ncpu, - sizeof(ngx_darwin_hw_ncpu), 0 }, - - { "net.inet.tcp.sendspace", - &ngx_darwin_net_inet_tcp_sendspace, - sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 }, - - { "kern.ipc.somaxconn", - &ngx_darwin_kern_ipc_somaxconn, - sizeof(ngx_darwin_kern_ipc_somaxconn), 0 }, - - { NULL, NULL, 0, 0 } -}; - - -void -ngx_debug_init(void) -{ -#if (NGX_DEBUG_MALLOC) - - /* - * MacOSX 10.6, 10.7: MallocScribble fills freed memory with 0x55 - * and fills allocated memory with 0xAA. - * MacOSX 10.4, 10.5: MallocScribble fills freed memory with 0x55, - * MallocPreScribble fills allocated memory with 0xAA. - * MacOSX 10.3: MallocScribble fills freed memory with 0x55, - * and no way to fill allocated memory. - */ - - setenv("MallocScribble", "1", 0); - - ngx_debug_malloc = 1; - -#else - - if (getenv("MallocScribble")) { - ngx_debug_malloc = 1; - } - -#endif -} - - -ngx_int_t -ngx_os_specific_init(ngx_log_t *log) -{ - size_t size; - ngx_err_t err; - ngx_uint_t i; - - size = sizeof(ngx_darwin_kern_ostype); - if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0) - == -1) - { - err = ngx_errno; - - if (err != NGX_ENOENT) { - - ngx_log_error(NGX_LOG_ALERT, log, err, - "sysctlbyname(kern.ostype) failed"); - - if (err != NGX_ENOMEM) { - return NGX_ERROR; - } - - ngx_darwin_kern_ostype[size - 1] = '\0'; - } - } - - size = sizeof(ngx_darwin_kern_osrelease); - if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size, - NULL, 0) - == -1) - { - err = ngx_errno; - - if (err != NGX_ENOENT) { - - ngx_log_error(NGX_LOG_ALERT, log, err, - "sysctlbyname(kern.osrelease) failed"); - - if (err != NGX_ENOMEM) { - return NGX_ERROR; - } - - ngx_darwin_kern_osrelease[size - 1] = '\0'; - } - } - - for (i = 0; sysctls[i].name; i++) { - size = sysctls[i].size; - - if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) - == 0) - { - sysctls[i].exists = 1; - continue; - } - - err = ngx_errno; - - if (err == NGX_ENOENT) { - continue; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, - "sysctlbyname(%s) failed", sysctls[i].name); - return NGX_ERROR; - } - - ngx_ncpu = ngx_darwin_hw_ncpu; - - if (ngx_darwin_kern_ipc_somaxconn > 32767) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "sysctl kern.ipc.somaxconn must be less than 32768"); - return NGX_ERROR; - } - - ngx_tcp_nodelay_and_tcp_nopush = 1; - - ngx_os_io = ngx_darwin_io; - - return NGX_OK; -} - - -void -ngx_os_specific_status(ngx_log_t *log) -{ - u_long value; - ngx_uint_t i; - - if (ngx_darwin_kern_ostype[0]) { - ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", - ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease); - } - - for (i = 0; sysctls[i].name; i++) { - if (sysctls[i].exists) { - if (sysctls[i].size == sizeof(long)) { - value = *(long *) sysctls[i].value; - - } else { - value = *(int *) sysctls[i].value; - } - - ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l", - sysctls[i].name, value); - } - } -} diff --git a/nginx/src/os/unix/ngx_darwin_sendfile_chain.c b/nginx/src/os/unix/ngx_darwin_sendfile_chain.c deleted file mode 100644 index 2a76c15..0000000 --- a/nginx/src/os/unix/ngx_darwin_sendfile_chain.c +++ /dev/null @@ -1,206 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -/* - * It seems that Darwin 9.4 (Mac OS X 1.5) sendfile() has the same - * old bug as early FreeBSD sendfile() syscall: - * http://bugs.freebsd.org/33771 - * - * Besides sendfile() has another bug: if one calls sendfile() - * with both a header and a trailer, then sendfile() ignores a file part - * at all and sends only the header and the trailer together. - * For this reason we send a trailer only if there is no a header. - * - * Although sendfile() allows to pass a header or a trailer, - * it may send the header or the trailer and a part of the file - * in different packets. And FreeBSD workaround (TCP_NOPUSH option) - * does not help. - */ - - -ngx_chain_t * -ngx_darwin_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - int rc; - off_t send, prev_send, sent; - off_t file_size; - ssize_t n; - ngx_uint_t eintr; - ngx_err_t err; - ngx_buf_t *file; - ngx_event_t *wev; - ngx_chain_t *cl; - ngx_iovec_t header, trailer; - struct sf_hdtr hdtr; - struct iovec headers[NGX_IOVS_PREALLOCATE]; - struct iovec trailers[NGX_IOVS_PREALLOCATE]; - - wev = c->write; - - if (!wev->ready) { - return in; - } - -#if (NGX_HAVE_KQUEUE) - - if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { - (void) ngx_connection_error(c, wev->kq_errno, - "kevent() reported about an closed connection"); - wev->error = 1; - return NGX_CHAIN_ERROR; - } - -#endif - - /* the maximum limit size is the maximum size_t value - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; - } - - send = 0; - - header.iovs = headers; - header.nalloc = NGX_IOVS_PREALLOCATE; - - trailer.iovs = trailers; - trailer.nalloc = NGX_IOVS_PREALLOCATE; - - for ( ;; ) { - eintr = 0; - prev_send = send; - - /* create the header iovec and coalesce the neighbouring bufs */ - - cl = ngx_output_chain_to_iovec(&header, in, limit - send, c->log); - - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - send += header.size; - - if (cl && cl->buf->in_file && send < limit) { - file = cl->buf; - - /* coalesce the neighbouring file bufs */ - - file_size = ngx_chain_coalesce_file(&cl, limit - send); - - send += file_size; - - if (header.count == 0 && send < limit) { - - /* - * create the trailer iovec and coalesce the neighbouring bufs - */ - - cl = ngx_output_chain_to_iovec(&trailer, cl, limit - send, - c->log); - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - send += trailer.size; - - } else { - trailer.count = 0; - } - - /* - * sendfile() returns EINVAL if sf_hdtr's count is 0, - * but corresponding pointer is not NULL - */ - - hdtr.headers = header.count ? header.iovs : NULL; - hdtr.hdr_cnt = header.count; - hdtr.trailers = trailer.count ? trailer.iovs : NULL; - hdtr.trl_cnt = trailer.count; - - sent = header.size + file_size; - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendfile: @%O %O h:%uz", - file->file_pos, sent, header.size); - - rc = sendfile(file->file->fd, c->fd, file->file_pos, - &sent, &hdtr, 0); - - if (rc == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - break; - - case NGX_EINTR: - eintr = 1; - break; - - default: - wev->error = 1; - (void) ngx_connection_error(c, err, "sendfile() failed"); - return NGX_CHAIN_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendfile() sent only %O bytes", sent); - } - - if (rc == 0 && sent == 0) { - - /* - * if rc and sent equal to zero, then someone - * has truncated the file, so the offset became beyond - * the end of the file - */ - - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile() reported that \"%s\" was truncated", - file->file->name.data); - - return NGX_CHAIN_ERROR; - } - - ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendfile: %d, @%O %O:%O", - rc, file->file_pos, sent, file_size + header.size); - - } else { - n = ngx_writev(c, &header); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - sent = (n == NGX_AGAIN) ? 0 : n; - } - - c->sent += sent; - - in = ngx_chain_update_sent(in, sent); - - if (eintr) { - send = prev_send + sent; - continue; - } - - if (send - prev_send != sent) { - wev->ready = 0; - return in; - } - - if (send >= limit || in == NULL) { - return in; - } - } -} diff --git a/nginx/src/os/unix/ngx_dlopen.c b/nginx/src/os/unix/ngx_dlopen.c deleted file mode 100644 index a0efc69..0000000 --- a/nginx/src/os/unix/ngx_dlopen.c +++ /dev/null @@ -1,28 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_HAVE_DLOPEN) - -char * -ngx_dlerror(void) -{ - char *err; - - err = (char *) dlerror(); - - if (err == NULL) { - return ""; - } - - return err; -} - -#endif diff --git a/nginx/src/os/unix/ngx_dlopen.h b/nginx/src/os/unix/ngx_dlopen.h deleted file mode 100644 index 7a3159f..0000000 --- a/nginx/src/os/unix/ngx_dlopen.h +++ /dev/null @@ -1,31 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_DLOPEN_H_INCLUDED_ -#define _NGX_DLOPEN_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#define ngx_dlopen(path) dlopen((char *) path, RTLD_NOW | RTLD_GLOBAL) -#define ngx_dlopen_n "dlopen()" - -#define ngx_dlsym(handle, symbol) dlsym(handle, symbol) -#define ngx_dlsym_n "dlsym()" - -#define ngx_dlclose(handle) dlclose(handle) -#define ngx_dlclose_n "dlclose()" - - -#if (NGX_HAVE_DLOPEN) -char *ngx_dlerror(void); -#endif - - -#endif /* _NGX_DLOPEN_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_errno.c b/nginx/src/os/unix/ngx_errno.c deleted file mode 100644 index e787b23..0000000 --- a/nginx/src/os/unix/ngx_errno.c +++ /dev/null @@ -1,87 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -/* - * The strerror() messages are copied because: - * - * 1) strerror() and strerror_r() functions are not Async-Signal-Safe, - * therefore, they cannot be used in signal handlers; - * - * 2) a direct sys_errlist[] array may be used instead of these functions, - * but Linux linker warns about its usage: - * - * warning: `sys_errlist' is deprecated; use `strerror' or `strerror_r' instead - * warning: `sys_nerr' is deprecated; use `strerror' or `strerror_r' instead - * - * causing false bug reports. - */ - - -static ngx_str_t *ngx_sys_errlist; -static ngx_str_t ngx_unknown_error = ngx_string("Unknown error"); - - -u_char * -ngx_strerror(ngx_err_t err, u_char *errstr, size_t size) -{ - ngx_str_t *msg; - - msg = ((ngx_uint_t) err < NGX_SYS_NERR) ? &ngx_sys_errlist[err]: - &ngx_unknown_error; - size = ngx_min(size, msg->len); - - return ngx_cpymem(errstr, msg->data, size); -} - - -ngx_int_t -ngx_strerror_init(void) -{ - char *msg; - u_char *p; - size_t len; - ngx_err_t err; - - /* - * ngx_strerror() is not ready to work at this stage, therefore, - * malloc() is used and possible errors are logged using strerror(). - */ - - len = NGX_SYS_NERR * sizeof(ngx_str_t); - - ngx_sys_errlist = malloc(len); - if (ngx_sys_errlist == NULL) { - goto failed; - } - - for (err = 0; err < NGX_SYS_NERR; err++) { - msg = strerror(err); - len = ngx_strlen(msg); - - p = malloc(len); - if (p == NULL) { - goto failed; - } - - ngx_memcpy(p, msg, len); - ngx_sys_errlist[err].len = len; - ngx_sys_errlist[err].data = p; - } - - return NGX_OK; - -failed: - - err = errno; - ngx_log_stderr(0, "malloc(%uz) failed (%d: %s)", len, err, strerror(err)); - - return NGX_ERROR; -} diff --git a/nginx/src/os/unix/ngx_errno.h b/nginx/src/os/unix/ngx_errno.h deleted file mode 100644 index 7d6ca76..0000000 --- a/nginx/src/os/unix/ngx_errno.h +++ /dev/null @@ -1,79 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_ERRNO_H_INCLUDED_ -#define _NGX_ERRNO_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -typedef int ngx_err_t; - -#define NGX_EPERM EPERM -#define NGX_ENOENT ENOENT -#define NGX_ENOPATH ENOENT -#define NGX_ESRCH ESRCH -#define NGX_EINTR EINTR -#define NGX_ECHILD ECHILD -#define NGX_ENOMEM ENOMEM -#define NGX_EACCES EACCES -#define NGX_EBUSY EBUSY -#define NGX_EEXIST EEXIST -#define NGX_EEXIST_FILE EEXIST -#define NGX_EXDEV EXDEV -#define NGX_ENOTDIR ENOTDIR -#define NGX_EISDIR EISDIR -#define NGX_EINVAL EINVAL -#define NGX_ENFILE ENFILE -#define NGX_EMFILE EMFILE -#define NGX_ENOSPC ENOSPC -#define NGX_EPIPE EPIPE -#define NGX_EINPROGRESS EINPROGRESS -#define NGX_ENOPROTOOPT ENOPROTOOPT -#define NGX_EOPNOTSUPP EOPNOTSUPP -#define NGX_EADDRINUSE EADDRINUSE -#define NGX_ECONNABORTED ECONNABORTED -#define NGX_ECONNRESET ECONNRESET -#define NGX_ENOTCONN ENOTCONN -#define NGX_ETIMEDOUT ETIMEDOUT -#define NGX_ECONNREFUSED ECONNREFUSED -#define NGX_ENAMETOOLONG ENAMETOOLONG -#define NGX_ENETDOWN ENETDOWN -#define NGX_ENETUNREACH ENETUNREACH -#define NGX_EHOSTDOWN EHOSTDOWN -#define NGX_EHOSTUNREACH EHOSTUNREACH -#define NGX_ENOSYS ENOSYS -#define NGX_ECANCELED ECANCELED -#define NGX_EILSEQ EILSEQ -#define NGX_ENOMOREFILES 0 -#define NGX_ELOOP ELOOP -#define NGX_EBADF EBADF - -#if (NGX_HAVE_OPENAT) -#define NGX_EMLINK EMLINK -#endif - -#if (__hpux__) -#define NGX_EAGAIN EWOULDBLOCK -#else -#define NGX_EAGAIN EAGAIN -#endif - - -#define ngx_errno errno -#define ngx_socket_errno errno -#define ngx_set_errno(err) errno = err -#define ngx_set_socket_errno(err) errno = err - - -u_char *ngx_strerror(ngx_err_t err, u_char *errstr, size_t size); -ngx_int_t ngx_strerror_init(void); - - -#endif /* _NGX_ERRNO_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_file_aio_read.c b/nginx/src/os/unix/ngx_file_aio_read.c deleted file mode 100644 index aedc3c9..0000000 --- a/nginx/src/os/unix/ngx_file_aio_read.c +++ /dev/null @@ -1,216 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -/* - * FreeBSD file AIO features and quirks: - * - * if an asked data are already in VM cache, then aio_error() returns 0, - * and the data are already copied in buffer; - * - * aio_read() preread in VM cache as minimum 16K (probably BKVASIZE); - * the first AIO preload may be up to 128K; - * - * aio_read/aio_error() may return EINPROGRESS for just written data; - * - * kqueue EVFILT_AIO filter is level triggered only: an event repeats - * until aio_return() will be called; - * - * aio_cancel() cannot cancel file AIO: it returns AIO_NOTCANCELED always. - */ - - -extern int ngx_kqueue; - - -static ssize_t ngx_file_aio_result(ngx_file_t *file, ngx_event_aio_t *aio, - ngx_event_t *ev); -static void ngx_file_aio_event_handler(ngx_event_t *ev); - - -ngx_int_t -ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool) -{ - ngx_event_aio_t *aio; - - aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t)); - if (aio == NULL) { - return NGX_ERROR; - } - - aio->file = file; - aio->fd = file->fd; - aio->event.data = aio; - aio->event.ready = 1; - aio->event.log = file->log; - - file->aio = aio; - - return NGX_OK; -} - - -ssize_t -ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, - ngx_pool_t *pool) -{ - int n; - ngx_event_t *ev; - ngx_event_aio_t *aio; - - if (!ngx_file_aio) { - return ngx_read_file(file, buf, size, offset); - } - - if (file->aio == NULL && ngx_file_aio_init(file, pool) != NGX_OK) { - return NGX_ERROR; - } - - aio = file->aio; - ev = &aio->event; - - if (!ev->ready) { - ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "second aio post for \"%V\"", &file->name); - return NGX_AGAIN; - } - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, - "aio complete:%d @%O:%uz %V", - ev->complete, offset, size, &file->name); - - if (ev->complete) { - ev->complete = 0; - ngx_set_errno(aio->err); - - if (aio->err == 0) { - return aio->nbytes; - } - - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "aio read \"%s\" failed", file->name.data); - - return NGX_ERROR; - } - - ngx_memzero(&aio->aiocb, sizeof(struct aiocb)); - - aio->aiocb.aio_fildes = file->fd; - aio->aiocb.aio_offset = offset; - aio->aiocb.aio_buf = buf; - aio->aiocb.aio_nbytes = size; -#if (NGX_HAVE_KQUEUE) - aio->aiocb.aio_sigevent.sigev_notify_kqueue = ngx_kqueue; - aio->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT; - aio->aiocb.aio_sigevent.sigev_value.sigval_ptr = ev; -#endif - ev->handler = ngx_file_aio_event_handler; - - n = aio_read(&aio->aiocb); - - if (n == -1) { - n = ngx_errno; - - if (n == NGX_EAGAIN) { - return ngx_read_file(file, buf, size, offset); - } - - ngx_log_error(NGX_LOG_CRIT, file->log, n, - "aio_read(\"%V\") failed", &file->name); - - if (n == NGX_ENOSYS) { - ngx_file_aio = 0; - return ngx_read_file(file, buf, size, offset); - } - - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, file->log, 0, - "aio_read: fd:%d %d", file->fd, n); - - ev->active = 1; - ev->ready = 0; - ev->complete = 0; - - return ngx_file_aio_result(aio->file, aio, ev); -} - - -static ssize_t -ngx_file_aio_result(ngx_file_t *file, ngx_event_aio_t *aio, ngx_event_t *ev) -{ - int n; - ngx_err_t err; - - n = aio_error(&aio->aiocb); - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, file->log, 0, - "aio_error: fd:%d %d", file->fd, n); - - if (n == -1) { - err = ngx_errno; - aio->err = err; - - ngx_log_error(NGX_LOG_ALERT, file->log, err, - "aio_error(\"%V\") failed", &file->name); - return NGX_ERROR; - } - - if (n == NGX_EINPROGRESS) { - if (ev->ready) { - ev->ready = 0; - ngx_log_error(NGX_LOG_ALERT, file->log, n, - "aio_read(\"%V\") still in progress", - &file->name); - } - - return NGX_AGAIN; - } - - n = aio_return(&aio->aiocb); - - if (n == -1) { - err = ngx_errno; - aio->err = err; - ev->ready = 1; - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "aio_return(\"%V\") failed", &file->name); - return NGX_ERROR; - } - - aio->err = 0; - aio->nbytes = n; - ev->ready = 1; - ev->active = 0; - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, file->log, 0, - "aio_return: fd:%d %d", file->fd, n); - - return n; -} - - -static void -ngx_file_aio_event_handler(ngx_event_t *ev) -{ - ngx_event_aio_t *aio; - - aio = ev->data; - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, ev->log, 0, - "aio event handler fd:%d %V", aio->fd, &aio->file->name); - - if (ngx_file_aio_result(aio->file, aio, ev) != NGX_AGAIN) { - aio->handler(ev); - } -} diff --git a/nginx/src/os/unix/ngx_files.c b/nginx/src/os/unix/ngx_files.c deleted file mode 100644 index 482d327..0000000 --- a/nginx/src/os/unix/ngx_files.c +++ /dev/null @@ -1,907 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_THREADS) -#include <ngx_thread_pool.h> -static void ngx_thread_read_handler(void *data, ngx_log_t *log); -static void ngx_thread_write_chain_to_file_handler(void *data, ngx_log_t *log); -#endif - -static ngx_chain_t *ngx_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *cl); -static ssize_t ngx_writev_file(ngx_file_t *file, ngx_iovec_t *vec, - off_t offset); - - -#if (NGX_HAVE_FILE_AIO) - -ngx_uint_t ngx_file_aio = 1; - -#endif - - -ssize_t -ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) -{ - ssize_t n; - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, - "read: %d, %p, %uz, %O", file->fd, buf, size, offset); - -#if (NGX_HAVE_PREAD) - - n = pread(file->fd, buf, size, offset); - - if (n == -1) { - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "pread() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - -#else - - if (file->sys_offset != offset) { - if (lseek(file->fd, offset, SEEK_SET) == -1) { - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "lseek() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->sys_offset = offset; - } - - n = read(file->fd, buf, size); - - if (n == -1) { - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "read() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->sys_offset += n; - -#endif - - file->offset += n; - - return n; -} - - -#if (NGX_THREADS) - -typedef struct { - ngx_fd_t fd; - ngx_uint_t write; /* unsigned write:1; */ - - u_char *buf; - size_t size; - ngx_chain_t *chain; - off_t offset; - - size_t nbytes; - ngx_err_t err; -} ngx_thread_file_ctx_t; - - -ssize_t -ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, - ngx_pool_t *pool) -{ - ngx_thread_task_t *task; - ngx_thread_file_ctx_t *ctx; - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, - "thread read: %d, %p, %uz, %O", - file->fd, buf, size, offset); - - task = file->thread_task; - - if (task == NULL) { - task = ngx_thread_task_alloc(pool, sizeof(ngx_thread_file_ctx_t)); - if (task == NULL) { - return NGX_ERROR; - } - - file->thread_task = task; - } - - ctx = task->ctx; - - if (task->event.complete) { - task->event.complete = 0; - - if (ctx->write) { - ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "invalid thread call, read instead of write"); - return NGX_ERROR; - } - - if (ctx->err) { - ngx_log_error(NGX_LOG_CRIT, file->log, ctx->err, - "pread() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - return ctx->nbytes; - } - - task->handler = ngx_thread_read_handler; - - ctx->write = 0; - - ctx->fd = file->fd; - ctx->buf = buf; - ctx->size = size; - ctx->offset = offset; - - if (file->thread_handler(task, file) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_AGAIN; -} - - -#if (NGX_HAVE_PREAD) - -static void -ngx_thread_read_handler(void *data, ngx_log_t *log) -{ - ngx_thread_file_ctx_t *ctx = data; - - ssize_t n; - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "thread read handler"); - - n = pread(ctx->fd, ctx->buf, ctx->size, ctx->offset); - - if (n == -1) { - ctx->err = ngx_errno; - - } else { - ctx->nbytes = n; - ctx->err = 0; - } - -#if 0 - ngx_time_update(); -#endif - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, log, 0, - "pread: %z (err: %d) of %uz @%O", - n, ctx->err, ctx->size, ctx->offset); -} - -#else - -#error pread() is required! - -#endif - -#endif /* NGX_THREADS */ - - -ssize_t -ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) -{ - ssize_t n, written; - ngx_err_t err; - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, - "write: %d, %p, %uz, %O", file->fd, buf, size, offset); - - written = 0; - -#if (NGX_HAVE_PWRITE) - - for ( ;; ) { - n = pwrite(file->fd, buf + written, size, offset); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, - "pwrite() was interrupted"); - continue; - } - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "pwrite() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->offset += n; - written += n; - - if ((size_t) n == size) { - return written; - } - - offset += n; - size -= n; - } - -#else - - if (file->sys_offset != offset) { - if (lseek(file->fd, offset, SEEK_SET) == -1) { - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "lseek() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->sys_offset = offset; - } - - for ( ;; ) { - n = write(file->fd, buf + written, size); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, - "write() was interrupted"); - continue; - } - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "write() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->sys_offset += n; - file->offset += n; - written += n; - - if ((size_t) n == size) { - return written; - } - - size -= n; - } -#endif -} - - -ngx_fd_t -ngx_open_tempfile(u_char *name, ngx_uint_t persistent, ngx_uint_t access) -{ - ngx_fd_t fd; - - fd = open((const char *) name, O_CREAT|O_EXCL|O_RDWR, - access ? access : 0600); - - if (fd != -1 && !persistent) { - (void) unlink((const char *) name); - } - - return fd; -} - - -ssize_t -ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, - ngx_pool_t *pool) -{ - ssize_t total, n; - ngx_iovec_t vec; - struct iovec iovs[NGX_IOVS_PREALLOCATE]; - - /* use pwrite() if there is the only buf in a chain */ - - if (cl->next == NULL) { - return ngx_write_file(file, cl->buf->pos, - (size_t) (cl->buf->last - cl->buf->pos), - offset); - } - - total = 0; - - vec.iovs = iovs; - vec.nalloc = NGX_IOVS_PREALLOCATE; - - do { - /* create the iovec and coalesce the neighbouring bufs */ - cl = ngx_chain_to_iovec(&vec, cl); - - /* use pwrite() if there is the only iovec buffer */ - - if (vec.count == 1) { - n = ngx_write_file(file, (u_char *) iovs[0].iov_base, - iovs[0].iov_len, offset); - - if (n == NGX_ERROR) { - return n; - } - - return total + n; - } - - n = ngx_writev_file(file, &vec, offset); - - if (n == NGX_ERROR) { - return n; - } - - offset += n; - total += n; - - } while (cl); - - return total; -} - - -static ngx_chain_t * -ngx_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *cl) -{ - size_t total, size; - u_char *prev; - ngx_uint_t n; - struct iovec *iov; - - iov = NULL; - prev = NULL; - total = 0; - n = 0; - - for ( /* void */ ; cl; cl = cl->next) { - - if (ngx_buf_special(cl->buf)) { - continue; - } - - size = cl->buf->last - cl->buf->pos; - - if (prev == cl->buf->pos) { - iov->iov_len += size; - - } else { - if (n == vec->nalloc) { - break; - } - - iov = &vec->iovs[n++]; - - iov->iov_base = (void *) cl->buf->pos; - iov->iov_len = size; - } - - prev = cl->buf->pos + size; - total += size; - } - - vec->count = n; - vec->size = total; - - return cl; -} - - -static ssize_t -ngx_writev_file(ngx_file_t *file, ngx_iovec_t *vec, off_t offset) -{ - ssize_t n; - ngx_err_t err; - - ngx_log_debug3(NGX_LOG_DEBUG_CORE, file->log, 0, - "writev: %d, %uz, %O", file->fd, vec->size, offset); - -#if (NGX_HAVE_PWRITEV) - -eintr: - - n = pwritev(file->fd, vec->iovs, vec->count, offset); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, - "pwritev() was interrupted"); - goto eintr; - } - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "pwritev() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - if ((size_t) n != vec->size) { - ngx_log_error(NGX_LOG_CRIT, file->log, 0, - "pwritev() \"%s\" has written only %z of %uz", - file->name.data, n, vec->size); - return NGX_ERROR; - } - -#else - - if (file->sys_offset != offset) { - if (lseek(file->fd, offset, SEEK_SET) == -1) { - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "lseek() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->sys_offset = offset; - } - -eintr: - - n = writev(file->fd, vec->iovs, vec->count); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, file->log, err, - "writev() was interrupted"); - goto eintr; - } - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "writev() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - if ((size_t) n != vec->size) { - ngx_log_error(NGX_LOG_CRIT, file->log, 0, - "writev() \"%s\" has written only %z of %uz", - file->name.data, n, vec->size); - return NGX_ERROR; - } - - file->sys_offset += n; - -#endif - - file->offset += n; - - return n; -} - - -#if (NGX_THREADS) - -ssize_t -ngx_thread_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, - ngx_pool_t *pool) -{ - ngx_thread_task_t *task; - ngx_thread_file_ctx_t *ctx; - - ngx_log_debug3(NGX_LOG_DEBUG_CORE, file->log, 0, - "thread write chain: %d, %p, %O", - file->fd, cl, offset); - - task = file->thread_task; - - if (task == NULL) { - task = ngx_thread_task_alloc(pool, - sizeof(ngx_thread_file_ctx_t)); - if (task == NULL) { - return NGX_ERROR; - } - - file->thread_task = task; - } - - ctx = task->ctx; - - if (task->event.complete) { - task->event.complete = 0; - - if (!ctx->write) { - ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "invalid thread call, write instead of read"); - return NGX_ERROR; - } - - if (ctx->err || ctx->nbytes == 0) { - ngx_log_error(NGX_LOG_CRIT, file->log, ctx->err, - "pwritev() \"%s\" failed", file->name.data); - return NGX_ERROR; - } - - file->offset += ctx->nbytes; - return ctx->nbytes; - } - - task->handler = ngx_thread_write_chain_to_file_handler; - - ctx->write = 1; - - ctx->fd = file->fd; - ctx->chain = cl; - ctx->offset = offset; - - if (file->thread_handler(task, file) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_AGAIN; -} - - -static void -ngx_thread_write_chain_to_file_handler(void *data, ngx_log_t *log) -{ - ngx_thread_file_ctx_t *ctx = data; - -#if (NGX_HAVE_PWRITEV) - - off_t offset; - ssize_t n; - ngx_err_t err; - ngx_chain_t *cl; - ngx_iovec_t vec; - struct iovec iovs[NGX_IOVS_PREALLOCATE]; - - vec.iovs = iovs; - vec.nalloc = NGX_IOVS_PREALLOCATE; - - cl = ctx->chain; - offset = ctx->offset; - - ctx->nbytes = 0; - ctx->err = 0; - - do { - /* create the iovec and coalesce the neighbouring bufs */ - cl = ngx_chain_to_iovec(&vec, cl); - -eintr: - - n = pwritev(ctx->fd, iovs, vec.count, offset); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, err, - "pwritev() was interrupted"); - goto eintr; - } - - ctx->err = err; - return; - } - - if ((size_t) n != vec.size) { - ctx->nbytes = 0; - return; - } - - ctx->nbytes += n; - offset += n; - } while (cl); - -#else - - ctx->err = NGX_ENOSYS; - return; - -#endif -} - -#endif /* NGX_THREADS */ - - -ngx_int_t -ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) -{ - struct timeval tv[2]; - - tv[0].tv_sec = ngx_time(); - tv[0].tv_usec = 0; - tv[1].tv_sec = s; - tv[1].tv_usec = 0; - - if (utimes((char *) name, tv) != -1) { - return NGX_OK; - } - - return NGX_ERROR; -} - - -ngx_int_t -ngx_create_file_mapping(ngx_file_mapping_t *fm) -{ - fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE, - NGX_FILE_DEFAULT_ACCESS); - - if (fm->fd == NGX_INVALID_FILE) { - ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, - ngx_open_file_n " \"%s\" failed", fm->name); - return NGX_ERROR; - } - - if (ftruncate(fm->fd, fm->size) == -1) { - ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, - "ftruncate() \"%s\" failed", fm->name); - goto failed; - } - - fm->addr = mmap(NULL, fm->size, PROT_READ|PROT_WRITE, MAP_SHARED, - fm->fd, 0); - if (fm->addr != MAP_FAILED) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, - "mmap(%uz) \"%s\" failed", fm->size, fm->name); - -failed: - - if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", fm->name); - } - - return NGX_ERROR; -} - - -void -ngx_close_file_mapping(ngx_file_mapping_t *fm) -{ - if (munmap(fm->addr, fm->size) == -1) { - ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, - "munmap(%uz) \"%s\" failed", fm->size, fm->name); - } - - if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", fm->name); - } -} - - -ngx_int_t -ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) -{ - dir->dir = opendir((const char *) name->data); - - if (dir->dir == NULL) { - return NGX_ERROR; - } - - dir->valid_info = 0; - - return NGX_OK; -} - - -ngx_int_t -ngx_read_dir(ngx_dir_t *dir) -{ - dir->de = readdir(dir->dir); - - if (dir->de) { -#if (NGX_HAVE_D_TYPE) - dir->type = dir->de->d_type; -#else - dir->type = 0; -#endif - return NGX_OK; - } - - return NGX_ERROR; -} - - -ngx_int_t -ngx_open_glob(ngx_glob_t *gl) -{ - int n; - - n = glob((char *) gl->pattern, 0, NULL, &gl->pglob); - - if (n == 0) { - return NGX_OK; - } - -#ifdef GLOB_NOMATCH - - if (n == GLOB_NOMATCH && gl->test) { - return NGX_OK; - } - -#endif - - return NGX_ERROR; -} - - -ngx_int_t -ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) -{ - size_t count; - -#ifdef GLOB_NOMATCH - count = (size_t) gl->pglob.gl_pathc; -#else - count = (size_t) gl->pglob.gl_matchc; -#endif - - if (gl->n < count) { - - name->len = (size_t) ngx_strlen(gl->pglob.gl_pathv[gl->n]); - name->data = (u_char *) gl->pglob.gl_pathv[gl->n]; - gl->n++; - - return NGX_OK; - } - - return NGX_DONE; -} - - -void -ngx_close_glob(ngx_glob_t *gl) -{ - globfree(&gl->pglob); -} - - -ngx_err_t -ngx_trylock_fd(ngx_fd_t fd) -{ - struct flock fl; - - ngx_memzero(&fl, sizeof(struct flock)); - fl.l_type = F_WRLCK; - fl.l_whence = SEEK_SET; - - if (fcntl(fd, F_SETLK, &fl) == -1) { - return ngx_errno; - } - - return 0; -} - - -ngx_err_t -ngx_lock_fd(ngx_fd_t fd) -{ - struct flock fl; - - ngx_memzero(&fl, sizeof(struct flock)); - fl.l_type = F_WRLCK; - fl.l_whence = SEEK_SET; - - if (fcntl(fd, F_SETLKW, &fl) == -1) { - return ngx_errno; - } - - return 0; -} - - -ngx_err_t -ngx_unlock_fd(ngx_fd_t fd) -{ - struct flock fl; - - ngx_memzero(&fl, sizeof(struct flock)); - fl.l_type = F_UNLCK; - fl.l_whence = SEEK_SET; - - if (fcntl(fd, F_SETLK, &fl) == -1) { - return ngx_errno; - } - - return 0; -} - - -#if (NGX_HAVE_POSIX_FADVISE) && !(NGX_HAVE_F_READAHEAD) - -ngx_int_t -ngx_read_ahead(ngx_fd_t fd, size_t n) -{ - int err; - - err = posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL); - - if (err == 0) { - return 0; - } - - ngx_set_errno(err); - return NGX_FILE_ERROR; -} - -#endif - - -#if (NGX_HAVE_O_DIRECT) - -ngx_int_t -ngx_directio_on(ngx_fd_t fd) -{ - int flags; - - flags = fcntl(fd, F_GETFL); - - if (flags == -1) { - return NGX_FILE_ERROR; - } - - return fcntl(fd, F_SETFL, flags | O_DIRECT); -} - - -ngx_int_t -ngx_directio_off(ngx_fd_t fd) -{ - int flags; - - flags = fcntl(fd, F_GETFL); - - if (flags == -1) { - return NGX_FILE_ERROR; - } - - return fcntl(fd, F_SETFL, flags & ~O_DIRECT); -} - -#endif - - -#if (NGX_HAVE_STATFS) - -size_t -ngx_fs_bsize(u_char *name) -{ - struct statfs fs; - - if (statfs((char *) name, &fs) == -1) { - return 512; - } - - if ((fs.f_bsize % 512) != 0) { - return 512; - } - - return (size_t) fs.f_bsize; -} - -#elif (NGX_HAVE_STATVFS) - -size_t -ngx_fs_bsize(u_char *name) -{ - struct statvfs fs; - - if (statvfs((char *) name, &fs) == -1) { - return 512; - } - - if ((fs.f_frsize % 512) != 0) { - return 512; - } - - return (size_t) fs.f_frsize; -} - -#else - -size_t -ngx_fs_bsize(u_char *name) -{ - return 512; -} - -#endif diff --git a/nginx/src/os/unix/ngx_files.h b/nginx/src/os/unix/ngx_files.h deleted file mode 100644 index 07872b1..0000000 --- a/nginx/src/os/unix/ngx_files.h +++ /dev/null @@ -1,395 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_FILES_H_INCLUDED_ -#define _NGX_FILES_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -typedef int ngx_fd_t; -typedef struct stat ngx_file_info_t; -typedef ino_t ngx_file_uniq_t; - - -typedef struct { - u_char *name; - size_t size; - void *addr; - ngx_fd_t fd; - ngx_log_t *log; -} ngx_file_mapping_t; - - -typedef struct { - DIR *dir; - struct dirent *de; - struct stat info; - - unsigned type:8; - unsigned valid_info:1; -} ngx_dir_t; - - -typedef struct { - size_t n; - glob_t pglob; - u_char *pattern; - ngx_log_t *log; - ngx_uint_t test; -} ngx_glob_t; - - -#define NGX_INVALID_FILE -1 -#define NGX_FILE_ERROR -1 - - - -#ifdef __CYGWIN__ - -#ifndef NGX_HAVE_CASELESS_FILESYSTEM -#define NGX_HAVE_CASELESS_FILESYSTEM 1 -#endif - -#define ngx_open_file(name, mode, create, access) \ - open((const char *) name, mode|create|O_BINARY, access) - -#else - -#define ngx_open_file(name, mode, create, access) \ - open((const char *) name, mode|create, access) - -#endif - -#define ngx_open_file_n "open()" - -#define NGX_FILE_RDONLY O_RDONLY -#define NGX_FILE_WRONLY O_WRONLY -#define NGX_FILE_RDWR O_RDWR -#define NGX_FILE_CREATE_OR_OPEN O_CREAT -#define NGX_FILE_OPEN 0 -#define NGX_FILE_TRUNCATE (O_CREAT|O_TRUNC) -#define NGX_FILE_APPEND (O_WRONLY|O_APPEND) -#define NGX_FILE_NONBLOCK O_NONBLOCK - -#if (NGX_HAVE_OPENAT) -#define NGX_FILE_NOFOLLOW O_NOFOLLOW - -#if defined(O_DIRECTORY) -#define NGX_FILE_DIRECTORY O_DIRECTORY -#else -#define NGX_FILE_DIRECTORY 0 -#endif - -#if defined(O_SEARCH) -#define NGX_FILE_SEARCH (O_SEARCH|NGX_FILE_DIRECTORY) - -#elif defined(O_EXEC) -#define NGX_FILE_SEARCH (O_EXEC|NGX_FILE_DIRECTORY) - -#elif (NGX_HAVE_O_PATH) -#define NGX_FILE_SEARCH (O_PATH|O_RDONLY|NGX_FILE_DIRECTORY) - -#else -#define NGX_FILE_SEARCH (O_RDONLY|NGX_FILE_DIRECTORY) -#endif - -#endif /* NGX_HAVE_OPENAT */ - -#define NGX_FILE_DEFAULT_ACCESS 0644 -#define NGX_FILE_OWNER_ACCESS 0600 - - -#define ngx_close_file close -#define ngx_close_file_n "close()" - - -#define ngx_delete_file(name) unlink((const char *) name) -#define ngx_delete_file_n "unlink()" - - -ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent, - ngx_uint_t access); -#define ngx_open_tempfile_n "open()" - - -ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset); -#if (NGX_HAVE_PREAD) -#define ngx_read_file_n "pread()" -#else -#define ngx_read_file_n "read()" -#endif - -ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, - off_t offset); - -ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce, - off_t offset, ngx_pool_t *pool); - - -#define ngx_read_fd read -#define ngx_read_fd_n "read()" - -/* - * we use inlined function instead of simple #define - * because glibc 2.3 sets warn_unused_result attribute for write() - * and in this case gcc 4.3 ignores (void) cast - */ -static ngx_inline ssize_t -ngx_write_fd(ngx_fd_t fd, void *buf, size_t n) -{ - return write(fd, buf, n); -} - -#define ngx_write_fd_n "write()" - - -#define ngx_write_console ngx_write_fd - - -#define ngx_linefeed(p) *p++ = LF; -#define NGX_LINEFEED_SIZE 1 -#define NGX_LINEFEED "\x0a" - - -#define ngx_rename_file(o, n) rename((const char *) o, (const char *) n) -#define ngx_rename_file_n "rename()" - - -#define ngx_change_file_access(n, a) chmod((const char *) n, a) -#define ngx_change_file_access_n "chmod()" - - -ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s); -#define ngx_set_file_time_n "utimes()" - - -#define ngx_file_info(file, sb) stat((const char *) file, sb) -#define ngx_file_info_n "stat()" - -#define ngx_fd_info(fd, sb) fstat(fd, sb) -#define ngx_fd_info_n "fstat()" - -#define ngx_link_info(file, sb) lstat((const char *) file, sb) -#define ngx_link_info_n "lstat()" - -#define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode)) -#define ngx_is_file(sb) (S_ISREG((sb)->st_mode)) -#define ngx_is_link(sb) (S_ISLNK((sb)->st_mode)) -#define ngx_is_exec(sb) (((sb)->st_mode & S_IXUSR) == S_IXUSR) -#define ngx_file_access(sb) ((sb)->st_mode & 0777) -#define ngx_file_size(sb) (sb)->st_size -#define ngx_file_fs_size(sb) ngx_max((sb)->st_size, (sb)->st_blocks * 512) -#define ngx_file_mtime(sb) (sb)->st_mtime -#define ngx_file_uniq(sb) (sb)->st_ino - - -ngx_int_t ngx_create_file_mapping(ngx_file_mapping_t *fm); -void ngx_close_file_mapping(ngx_file_mapping_t *fm); - - -#define ngx_realpath(p, r) (u_char *) realpath((char *) p, (char *) r) -#define ngx_realpath_n "realpath()" -#define ngx_getcwd(buf, size) (getcwd((char *) buf, size) != NULL) -#define ngx_getcwd_n "getcwd()" -#define ngx_path_separator(c) ((c) == '/') - - -#if defined(PATH_MAX) - -#define NGX_HAVE_MAX_PATH 1 -#define NGX_MAX_PATH PATH_MAX - -#else - -#define NGX_MAX_PATH 4096 - -#endif - - -#define NGX_DIR_MASK_LEN 0 - - -ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir); -#define ngx_open_dir_n "opendir()" - - -#define ngx_close_dir(d) closedir((d)->dir) -#define ngx_close_dir_n "closedir()" - - -ngx_int_t ngx_read_dir(ngx_dir_t *dir); -#define ngx_read_dir_n "readdir()" - - -#define ngx_create_dir(name, access) mkdir((const char *) name, access) -#define ngx_create_dir_n "mkdir()" - - -#define ngx_delete_dir(name) rmdir((const char *) name) -#define ngx_delete_dir_n "rmdir()" - - -#define ngx_dir_access(a) (a | (a & 0444) >> 2) - - -#define ngx_de_name(dir) ((u_char *) (dir)->de->d_name) -#if (NGX_HAVE_D_NAMLEN) -#define ngx_de_namelen(dir) (dir)->de->d_namlen -#else -#define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name) -#endif - -static ngx_inline ngx_int_t -ngx_de_info(u_char *name, ngx_dir_t *dir) -{ - dir->type = 0; - return stat((const char *) name, &dir->info); -} - -#define ngx_de_info_n "stat()" -#define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info) -#define ngx_de_link_info_n "lstat()" - -#if (NGX_HAVE_D_TYPE) - -/* - * some file systems (e.g. XFS on Linux and CD9660 on FreeBSD) - * do not set dirent.d_type - */ - -#define ngx_de_is_dir(dir) \ - (((dir)->type) ? ((dir)->type == DT_DIR) : (S_ISDIR((dir)->info.st_mode))) -#define ngx_de_is_file(dir) \ - (((dir)->type) ? ((dir)->type == DT_REG) : (S_ISREG((dir)->info.st_mode))) -#define ngx_de_is_link(dir) \ - (((dir)->type) ? ((dir)->type == DT_LNK) : (S_ISLNK((dir)->info.st_mode))) - -#else - -#define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode)) -#define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode)) -#define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode)) - -#endif - -#define ngx_de_access(dir) (((dir)->info.st_mode) & 0777) -#define ngx_de_size(dir) (dir)->info.st_size -#define ngx_de_fs_size(dir) \ - ngx_max((dir)->info.st_size, (dir)->info.st_blocks * 512) -#define ngx_de_mtime(dir) (dir)->info.st_mtime - - -ngx_int_t ngx_open_glob(ngx_glob_t *gl); -#define ngx_open_glob_n "glob()" -ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name); -void ngx_close_glob(ngx_glob_t *gl); - - -ngx_err_t ngx_trylock_fd(ngx_fd_t fd); -ngx_err_t ngx_lock_fd(ngx_fd_t fd); -ngx_err_t ngx_unlock_fd(ngx_fd_t fd); - -#define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)" -#define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)" -#define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)" - - -#if (NGX_HAVE_F_READAHEAD) - -#define NGX_HAVE_READ_AHEAD 1 - -#define ngx_read_ahead(fd, n) fcntl(fd, F_READAHEAD, (int) n) -#define ngx_read_ahead_n "fcntl(fd, F_READAHEAD)" - -#elif (NGX_HAVE_POSIX_FADVISE) - -#define NGX_HAVE_READ_AHEAD 1 - -ngx_int_t ngx_read_ahead(ngx_fd_t fd, size_t n); -#define ngx_read_ahead_n "posix_fadvise(POSIX_FADV_SEQUENTIAL)" - -#else - -#define ngx_read_ahead(fd, n) 0 -#define ngx_read_ahead_n "ngx_read_ahead_n" - -#endif - - -#if (NGX_HAVE_O_DIRECT) - -ngx_int_t ngx_directio_on(ngx_fd_t fd); -#define ngx_directio_on_n "fcntl(O_DIRECT)" - -ngx_int_t ngx_directio_off(ngx_fd_t fd); -#define ngx_directio_off_n "fcntl(!O_DIRECT)" - -#elif (NGX_HAVE_F_NOCACHE) - -#define ngx_directio_on(fd) fcntl(fd, F_NOCACHE, 1) -#define ngx_directio_on_n "fcntl(F_NOCACHE, 1)" - -#elif (NGX_HAVE_DIRECTIO) - -#define ngx_directio_on(fd) directio(fd, DIRECTIO_ON) -#define ngx_directio_on_n "directio(DIRECTIO_ON)" - -#else - -#define ngx_directio_on(fd) 0 -#define ngx_directio_on_n "ngx_directio_on_n" - -#endif - -size_t ngx_fs_bsize(u_char *name); - - -#if (NGX_HAVE_OPENAT) - -#define ngx_openat_file(fd, name, mode, create, access) \ - openat(fd, (const char *) name, mode|create, access) - -#define ngx_openat_file_n "openat()" - -#define ngx_file_at_info(fd, name, sb, flag) \ - fstatat(fd, (const char *) name, sb, flag) - -#define ngx_file_at_info_n "fstatat()" - -#define NGX_AT_FDCWD (ngx_fd_t) AT_FDCWD - -#endif - - -#define ngx_stdout STDOUT_FILENO -#define ngx_stderr STDERR_FILENO -#define ngx_set_stderr(fd) dup2(fd, STDERR_FILENO) -#define ngx_set_stderr_n "dup2(STDERR_FILENO)" - - -#if (NGX_HAVE_FILE_AIO) - -ngx_int_t ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool); -ssize_t ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, - off_t offset, ngx_pool_t *pool); - -extern ngx_uint_t ngx_file_aio; - -#endif - -#if (NGX_THREADS) -ssize_t ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, - off_t offset, ngx_pool_t *pool); -ssize_t ngx_thread_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, - off_t offset, ngx_pool_t *pool); -#endif - - -#endif /* _NGX_FILES_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_freebsd.h b/nginx/src/os/unix/ngx_freebsd.h deleted file mode 100644 index 4f93da5..0000000 --- a/nginx/src/os/unix/ngx_freebsd.h +++ /dev/null @@ -1,25 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_FREEBSD_H_INCLUDED_ -#define _NGX_FREEBSD_H_INCLUDED_ - - -void ngx_debug_init(void); -ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - -extern int ngx_freebsd_kern_osreldate; -extern int ngx_freebsd_hw_ncpu; -extern u_long ngx_freebsd_net_inet_tcp_sendspace; - -extern ngx_uint_t ngx_freebsd_sendfile_nbytes_bug; -extern ngx_uint_t ngx_freebsd_use_tcp_nopush; -extern ngx_uint_t ngx_debug_malloc; - - -#endif /* _NGX_FREEBSD_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_freebsd_config.h b/nginx/src/os/unix/ngx_freebsd_config.h deleted file mode 100644 index b7da48c..0000000 --- a/nginx/src/os/unix/ngx_freebsd_config.h +++ /dev/null @@ -1,123 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_FREEBSD_CONFIG_H_INCLUDED_ -#define _NGX_FREEBSD_CONFIG_H_INCLUDED_ - - -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> -#include <stdarg.h> -#include <stddef.h> /* offsetof() */ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <dirent.h> -#include <glob.h> -#include <time.h> -#include <sys/param.h> /* ALIGN() */ -#include <sys/mount.h> /* statfs() */ - -#include <sys/filio.h> /* FIONBIO */ -#include <sys/uio.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/resource.h> -#include <sched.h> - -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> /* TCP_NODELAY, TCP_NOPUSH */ -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#include <libutil.h> /* setproctitle() before 4.1 */ -#include <osreldate.h> -#include <sys/sysctl.h> - -#include <dlfcn.h> - - -#if __FreeBSD_version < 400017 - -/* - * FreeBSD 3.x has no CMSG_SPACE() and CMSG_LEN() and has the broken CMSG_DATA() - */ - -#undef CMSG_SPACE -#define CMSG_SPACE(l) (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l)) - -#undef CMSG_LEN -#define CMSG_LEN(l) (ALIGN(sizeof(struct cmsghdr)) + (l)) - -#undef CMSG_DATA -#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + ALIGN(sizeof(struct cmsghdr))) - -#endif - - -#include <ngx_auto_config.h> - - -#if (NGX_HAVE_POSIX_SEM) -#include <semaphore.h> -#endif - - -#if (NGX_HAVE_POLL) -#include <poll.h> -#endif - - -#if (NGX_HAVE_KQUEUE) -#include <sys/event.h> -#endif - - -#if (NGX_HAVE_FILE_AIO) -#include <aio.h> -typedef struct aiocb ngx_aiocb_t; -#endif - - -#define NGX_LISTEN_BACKLOG -1 - - -#ifdef __DragonFly__ -#define NGX_KEEPALIVE_FACTOR 1000 -#endif - - -#ifndef IOV_MAX -#define IOV_MAX 1024 -#endif - - -#ifndef NGX_HAVE_INHERITED_NONBLOCK -#define NGX_HAVE_INHERITED_NONBLOCK 1 -#endif - - -#define NGX_HAVE_OS_SPECIFIC_INIT 1 -#define NGX_HAVE_DEBUG_MALLOC 1 - - -extern char **environ; -extern char *malloc_options; - - -#endif /* _NGX_FREEBSD_CONFIG_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_freebsd_init.c b/nginx/src/os/unix/ngx_freebsd_init.c deleted file mode 100644 index 1823f02..0000000 --- a/nginx/src/os/unix/ngx_freebsd_init.c +++ /dev/null @@ -1,262 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -/* FreeBSD 3.0 at least */ -char ngx_freebsd_kern_ostype[16]; -char ngx_freebsd_kern_osrelease[128]; -int ngx_freebsd_kern_osreldate; -int ngx_freebsd_hw_ncpu; -int ngx_freebsd_kern_ipc_somaxconn; -u_long ngx_freebsd_net_inet_tcp_sendspace; - -/* FreeBSD 4.9 */ -int ngx_freebsd_machdep_hlt_logical_cpus; - - -ngx_uint_t ngx_freebsd_sendfile_nbytes_bug; -ngx_uint_t ngx_freebsd_use_tcp_nopush; - -ngx_uint_t ngx_debug_malloc; - - -static ngx_os_io_t ngx_freebsd_io = { - ngx_unix_recv, - ngx_readv_chain, - ngx_udp_unix_recv, - ngx_unix_send, - ngx_udp_unix_send, - ngx_udp_unix_sendmsg_chain, -#if (NGX_HAVE_SENDFILE) - ngx_freebsd_sendfile_chain, - NGX_IO_SENDFILE -#else - ngx_writev_chain, - 0 -#endif -}; - - -typedef struct { - char *name; - void *value; - size_t size; - ngx_uint_t exists; -} sysctl_t; - - -sysctl_t sysctls[] = { - { "hw.ncpu", - &ngx_freebsd_hw_ncpu, - sizeof(ngx_freebsd_hw_ncpu), 0 }, - - { "machdep.hlt_logical_cpus", - &ngx_freebsd_machdep_hlt_logical_cpus, - sizeof(ngx_freebsd_machdep_hlt_logical_cpus), 0 }, - - { "net.inet.tcp.sendspace", - &ngx_freebsd_net_inet_tcp_sendspace, - sizeof(ngx_freebsd_net_inet_tcp_sendspace), 0 }, - - { "kern.ipc.somaxconn", - &ngx_freebsd_kern_ipc_somaxconn, - sizeof(ngx_freebsd_kern_ipc_somaxconn), 0 }, - - { NULL, NULL, 0, 0 } -}; - - -void -ngx_debug_init(void) -{ -#if (NGX_DEBUG_MALLOC) - -#if __FreeBSD_version >= 500014 && __FreeBSD_version < 1000011 - _malloc_options = "J"; -#elif __FreeBSD_version < 500014 - malloc_options = "J"; -#endif - - ngx_debug_malloc = 1; - -#else - char *mo; - - mo = getenv("MALLOC_OPTIONS"); - - if (mo && ngx_strchr(mo, 'J')) { - ngx_debug_malloc = 1; - } -#endif -} - - -ngx_int_t -ngx_os_specific_init(ngx_log_t *log) -{ - int version; - size_t size; - ngx_err_t err; - ngx_uint_t i; - - size = sizeof(ngx_freebsd_kern_ostype); - if (sysctlbyname("kern.ostype", - ngx_freebsd_kern_ostype, &size, NULL, 0) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysctlbyname(kern.ostype) failed"); - - if (ngx_errno != NGX_ENOMEM) { - return NGX_ERROR; - } - - ngx_freebsd_kern_ostype[size - 1] = '\0'; - } - - size = sizeof(ngx_freebsd_kern_osrelease); - if (sysctlbyname("kern.osrelease", - ngx_freebsd_kern_osrelease, &size, NULL, 0) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysctlbyname(kern.osrelease) failed"); - - if (ngx_errno != NGX_ENOMEM) { - return NGX_ERROR; - } - - ngx_freebsd_kern_osrelease[size - 1] = '\0'; - } - - - size = sizeof(int); - if (sysctlbyname("kern.osreldate", - &ngx_freebsd_kern_osreldate, &size, NULL, 0) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysctlbyname(kern.osreldate) failed"); - return NGX_ERROR; - } - - version = ngx_freebsd_kern_osreldate; - - -#if (NGX_HAVE_SENDFILE) - - /* - * The determination of the sendfile() "nbytes bug" is complex enough. - * There are two sendfile() syscalls: a new #393 has no bug while - * an old #336 has the bug in some versions and has not in others. - * Besides libc_r wrapper also emulates the bug in some versions. - * There is no way to say exactly if syscall #336 in FreeBSD circa 4.6 - * has the bug. We use the algorithm that is correct at least for - * RELEASEs and for syscalls only (not libc_r wrapper). - * - * 4.6.1-RELEASE and below have the bug - * 4.6.2-RELEASE and above have the new syscall - * - * We detect the new sendfile() syscall available at the compile time - * to allow an old binary to run correctly on an updated FreeBSD system. - */ - -#if (__FreeBSD__ == 4 && __FreeBSD_version >= 460102) \ - || __FreeBSD_version == 460002 || __FreeBSD_version >= 500039 - - /* a new syscall without the bug */ - - ngx_freebsd_sendfile_nbytes_bug = 0; - -#else - - /* an old syscall that may have the bug */ - - ngx_freebsd_sendfile_nbytes_bug = 1; - -#endif - -#endif /* NGX_HAVE_SENDFILE */ - - - if ((version < 500000 && version >= 440003) || version >= 500017) { - ngx_freebsd_use_tcp_nopush = 1; - } - - - for (i = 0; sysctls[i].name; i++) { - size = sysctls[i].size; - - if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) - == 0) - { - sysctls[i].exists = 1; - continue; - } - - err = ngx_errno; - - if (err == NGX_ENOENT) { - continue; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, - "sysctlbyname(%s) failed", sysctls[i].name); - return NGX_ERROR; - } - - if (ngx_freebsd_machdep_hlt_logical_cpus) { - ngx_ncpu = ngx_freebsd_hw_ncpu / 2; - - } else { - ngx_ncpu = ngx_freebsd_hw_ncpu; - } - - if (version < 600008 && ngx_freebsd_kern_ipc_somaxconn > 32767) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "sysctl kern.ipc.somaxconn must be less than 32768"); - return NGX_ERROR; - } - - ngx_tcp_nodelay_and_tcp_nopush = 1; - - ngx_os_io = ngx_freebsd_io; - - return NGX_OK; -} - - -void -ngx_os_specific_status(ngx_log_t *log) -{ - u_long value; - ngx_uint_t i; - - ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", - ngx_freebsd_kern_ostype, ngx_freebsd_kern_osrelease); - -#ifdef __DragonFly_version - ngx_log_error(NGX_LOG_NOTICE, log, 0, - "kern.osreldate: %d, built on %d", - ngx_freebsd_kern_osreldate, __DragonFly_version); -#else - ngx_log_error(NGX_LOG_NOTICE, log, 0, - "kern.osreldate: %d, built on %d", - ngx_freebsd_kern_osreldate, __FreeBSD_version); -#endif - - for (i = 0; sysctls[i].name; i++) { - if (sysctls[i].exists) { - if (sysctls[i].size == sizeof(long)) { - value = *(long *) sysctls[i].value; - - } else { - value = *(int *) sysctls[i].value; - } - - ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l", - sysctls[i].name, value); - } - } -} diff --git a/nginx/src/os/unix/ngx_freebsd_sendfile_chain.c b/nginx/src/os/unix/ngx_freebsd_sendfile_chain.c deleted file mode 100644 index 3d415bd..0000000 --- a/nginx/src/os/unix/ngx_freebsd_sendfile_chain.c +++ /dev/null @@ -1,333 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -/* - * Although FreeBSD sendfile() allows to pass a header and a trailer, - * it cannot send a header with a part of the file in one packet until - * FreeBSD 5.3. Besides, over the fast ethernet connection sendfile() - * may send the partially filled packets, i.e. the 8 file pages may be sent - * as the 11 full 1460-bytes packets, then one incomplete 324-bytes packet, - * and then again the 11 full 1460-bytes packets. - * - * Therefore we use the TCP_NOPUSH option (similar to Linux's TCP_CORK) - * to postpone the sending - it not only sends a header and the first part of - * the file in one packet, but also sends the file pages in the full packets. - * - * But until FreeBSD 4.5 turning TCP_NOPUSH off does not flush a pending - * data that less than MSS, so that data may be sent with 5 second delay. - * So we do not use TCP_NOPUSH on FreeBSD prior to 4.5, although it can be used - * for non-keepalive HTTP connections. - */ - - -ngx_chain_t * -ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - int rc, flags; - off_t send, prev_send, sent; - size_t file_size; - ssize_t n; - ngx_uint_t eintr, eagain; - ngx_err_t err; - ngx_buf_t *file; - ngx_event_t *wev; - ngx_chain_t *cl; - ngx_iovec_t header, trailer; - struct sf_hdtr hdtr; - struct iovec headers[NGX_IOVS_PREALLOCATE]; - struct iovec trailers[NGX_IOVS_PREALLOCATE]; -#if (NGX_HAVE_AIO_SENDFILE) - ngx_uint_t ebusy; - ngx_event_aio_t *aio; -#endif - - wev = c->write; - - if (!wev->ready) { - return in; - } - -#if (NGX_HAVE_KQUEUE) - - if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { - (void) ngx_connection_error(c, wev->kq_errno, - "kevent() reported about an closed connection"); - wev->error = 1; - return NGX_CHAIN_ERROR; - } - -#endif - - /* the maximum limit size is the maximum size_t value - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; - } - - send = 0; - eagain = 0; - flags = 0; - -#if (NGX_HAVE_AIO_SENDFILE && NGX_SUPPRESS_WARN) - aio = NULL; - file = NULL; -#endif - - header.iovs = headers; - header.nalloc = NGX_IOVS_PREALLOCATE; - - trailer.iovs = trailers; - trailer.nalloc = NGX_IOVS_PREALLOCATE; - - for ( ;; ) { - eintr = 0; -#if (NGX_HAVE_AIO_SENDFILE) - ebusy = 0; -#endif - prev_send = send; - - /* create the header iovec and coalesce the neighbouring bufs */ - - cl = ngx_output_chain_to_iovec(&header, in, limit - send, c->log); - - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - send += header.size; - - if (cl && cl->buf->in_file && send < limit) { - file = cl->buf; - - /* coalesce the neighbouring file bufs */ - - file_size = (size_t) ngx_chain_coalesce_file(&cl, limit - send); - - send += file_size; - - if (send < limit) { - - /* - * create the trailer iovec and coalesce the neighbouring bufs - */ - - cl = ngx_output_chain_to_iovec(&trailer, cl, limit - send, - c->log); - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - send += trailer.size; - - } else { - trailer.count = 0; - } - - if (ngx_freebsd_use_tcp_nopush - && c->tcp_nopush == NGX_TCP_NOPUSH_UNSET) - { - if (ngx_tcp_nopush(c->fd) == -1) { - err = ngx_socket_errno; - - /* - * there is a tiny chance to be interrupted, however, - * we continue a processing without the TCP_NOPUSH - */ - - if (err != NGX_EINTR) { - wev->error = 1; - (void) ngx_connection_error(c, err, - ngx_tcp_nopush_n " failed"); - return NGX_CHAIN_ERROR; - } - - } else { - c->tcp_nopush = NGX_TCP_NOPUSH_SET; - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, - "tcp_nopush"); - } - } - - /* - * sendfile() does unneeded work if sf_hdtr's count is 0, - * but corresponding pointer is not NULL - */ - - hdtr.headers = header.count ? header.iovs : NULL; - hdtr.hdr_cnt = header.count; - hdtr.trailers = trailer.count ? trailer.iovs : NULL; - hdtr.trl_cnt = trailer.count; - - /* - * the "nbytes bug" of the old sendfile() syscall: - * http://bugs.freebsd.org/33771 - */ - - if (!ngx_freebsd_sendfile_nbytes_bug) { - header.size = 0; - } - - sent = 0; - -#if (NGX_HAVE_AIO_SENDFILE) - aio = file->file->aio; - flags = (aio && aio->preload_handler) ? SF_NODISKIO : 0; -#endif - - rc = sendfile(file->file->fd, c->fd, file->file_pos, - file_size + header.size, &hdtr, &sent, flags); - - if (rc == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - eagain = 1; - break; - - case NGX_EINTR: - eintr = 1; - break; - -#if (NGX_HAVE_AIO_SENDFILE) - case NGX_EBUSY: - ebusy = 1; - break; -#endif - - default: - wev->error = 1; - (void) ngx_connection_error(c, err, "sendfile() failed"); - return NGX_CHAIN_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendfile() sent only %O bytes", sent); - - /* - * sendfile() in FreeBSD 3.x-4.x may return value >= 0 - * on success, although only 0 is documented - */ - - } else if (rc >= 0 && sent == 0) { - - /* - * if rc is OK and sent equal to zero, then someone - * has truncated the file, so the offset became beyond - * the end of the file - */ - - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile() reported that \"%s\" was truncated at %O", - file->file->name.data, file->file_pos); - - return NGX_CHAIN_ERROR; - } - - ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendfile: %d, @%O %O:%uz", - rc, file->file_pos, sent, file_size + header.size); - - } else { - n = ngx_writev(c, &header); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - sent = (n == NGX_AGAIN) ? 0 : n; - } - - c->sent += sent; - - in = ngx_chain_update_sent(in, sent); - -#if (NGX_HAVE_AIO_SENDFILE) - - if (ebusy) { - if (aio->event.active) { - /* - * tolerate duplicate calls; they can happen due to subrequests - * or multiple calls of the next body filter from a filter - */ - - if (sent) { - c->busy_count = 0; - } - - return in; - } - - if (sent == 0) { - c->busy_count++; - - if (c->busy_count > 2) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile(%V) returned busy again", - &file->file->name); - - c->busy_count = 0; - aio->preload_handler = NULL; - - send = prev_send; - continue; - } - - } else { - c->busy_count = 0; - } - - n = aio->preload_handler(file); - - if (n > 0) { - send = prev_send + sent; - continue; - } - - return in; - } - - if (flags == SF_NODISKIO) { - c->busy_count = 0; - } - -#endif - - if (eagain) { - - /* - * sendfile() may return EAGAIN, even if it has sent a whole file - * part, it indicates that the successive sendfile() call would - * return EAGAIN right away and would not send anything. - * We use it as a hint. - */ - - wev->ready = 0; - return in; - } - - if (eintr) { - send = prev_send + sent; - continue; - } - - if (send - prev_send != sent) { - wev->ready = 0; - return in; - } - - if (send >= limit || in == NULL) { - return in; - } - } -} diff --git a/nginx/src/os/unix/ngx_gcc_atomic_amd64.h b/nginx/src/os/unix/ngx_gcc_atomic_amd64.h deleted file mode 100644 index 159a297..0000000 --- a/nginx/src/os/unix/ngx_gcc_atomic_amd64.h +++ /dev/null @@ -1,82 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#if (NGX_SMP) -#define NGX_SMP_LOCK "lock;" -#else -#define NGX_SMP_LOCK -#endif - - -/* - * "cmpxchgq r, [m]": - * - * if (rax == [m]) { - * zf = 1; - * [m] = r; - * } else { - * zf = 0; - * rax = [m]; - * } - * - * - * The "r" is any register, %rax (%r0) - %r16. - * The "=a" and "a" are the %rax register. - * Although we can return result in any register, we use "a" because it is - * used in cmpxchgq anyway. The result is actually in %al but not in $rax, - * however as the code is inlined gcc can test %al as well as %rax. - * - * The "cc" means that flags were changed. - */ - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - u_char res; - - __asm__ volatile ( - - NGX_SMP_LOCK - " cmpxchgq %3, %1; " - " sete %0; " - - : "=a" (res) : "m" (*lock), "a" (old), "r" (set) : "cc", "memory"); - - return res; -} - - -/* - * "xaddq r, [m]": - * - * temp = [m]; - * [m] += r; - * r = temp; - * - * - * The "+r" is any register, %rax (%r0) - %r16. - * The "cc" means that flags were changed. - */ - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - __asm__ volatile ( - - NGX_SMP_LOCK - " xaddq %0, %1; " - - : "+r" (add) : "m" (*value) : "cc", "memory"); - - return add; -} - - -#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") - -#define ngx_cpu_pause() __asm__ ("pause") diff --git a/nginx/src/os/unix/ngx_gcc_atomic_ppc.h b/nginx/src/os/unix/ngx_gcc_atomic_ppc.h deleted file mode 100644 index 45afc4b..0000000 --- a/nginx/src/os/unix/ngx_gcc_atomic_ppc.h +++ /dev/null @@ -1,155 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -/* - * The ppc assembler treats ";" as comment, so we have to use "\n". - * The minus in "bne-" is a hint for the branch prediction unit that - * this branch is unlikely to be taken. - * The "1b" means the nearest backward label "1" and the "1f" means - * the nearest forward label "1". - * - * The "b" means that the base registers can be used only, i.e. - * any register except r0. The r0 register always has a zero value and - * could not be used in "addi r0, r0, 1". - * The "=&b" means that no input registers can be used. - * - * "sync" read and write barriers - * "isync" read barrier, is faster than "sync" - * "eieio" write barrier, is faster than "sync" - * "lwsync" write barrier, is faster than "eieio" on ppc64 - */ - -#if (NGX_PTR_SIZE == 8) - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - ngx_atomic_uint_t res, temp; - - __asm__ volatile ( - - " li %0, 0 \n" /* preset "0" to "res" */ - " lwsync \n" /* write barrier */ - "1: \n" - " ldarx %1, 0, %2 \n" /* load from [lock] into "temp" */ - /* and store reservation */ - " cmpd %1, %3 \n" /* compare "temp" and "old" */ - " bne- 2f \n" /* not equal */ - " stdcx. %4, 0, %2 \n" /* store "set" into [lock] if reservation */ - /* is not cleared */ - " bne- 1b \n" /* the reservation was cleared */ - " isync \n" /* read barrier */ - " li %0, 1 \n" /* set "1" to "res" */ - "2: \n" - - : "=&b" (res), "=&b" (temp) - : "b" (lock), "b" (old), "b" (set) - : "cc", "memory"); - - return res; -} - - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_uint_t res, temp; - - __asm__ volatile ( - - " lwsync \n" /* write barrier */ - "1: ldarx %0, 0, %2 \n" /* load from [value] into "res" */ - /* and store reservation */ - " add %1, %0, %3 \n" /* "res" + "add" store in "temp" */ - " stdcx. %1, 0, %2 \n" /* store "temp" into [value] if reservation */ - /* is not cleared */ - " bne- 1b \n" /* try again if reservation was cleared */ - " isync \n" /* read barrier */ - - : "=&b" (res), "=&b" (temp) - : "b" (value), "b" (add) - : "cc", "memory"); - - return res; -} - - -#if (NGX_SMP) -#define ngx_memory_barrier() \ - __asm__ volatile ("isync \n lwsync \n" ::: "memory") -#else -#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") -#endif - -#else - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - ngx_atomic_uint_t res, temp; - - __asm__ volatile ( - - " li %0, 0 \n" /* preset "0" to "res" */ - " eieio \n" /* write barrier */ - "1: \n" - " lwarx %1, 0, %2 \n" /* load from [lock] into "temp" */ - /* and store reservation */ - " cmpw %1, %3 \n" /* compare "temp" and "old" */ - " bne- 2f \n" /* not equal */ - " stwcx. %4, 0, %2 \n" /* store "set" into [lock] if reservation */ - /* is not cleared */ - " bne- 1b \n" /* the reservation was cleared */ - " isync \n" /* read barrier */ - " li %0, 1 \n" /* set "1" to "res" */ - "2: \n" - - : "=&b" (res), "=&b" (temp) - : "b" (lock), "b" (old), "b" (set) - : "cc", "memory"); - - return res; -} - - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_uint_t res, temp; - - __asm__ volatile ( - - " eieio \n" /* write barrier */ - "1: lwarx %0, 0, %2 \n" /* load from [value] into "res" */ - /* and store reservation */ - " add %1, %0, %3 \n" /* "res" + "add" store in "temp" */ - " stwcx. %1, 0, %2 \n" /* store "temp" into [value] if reservation */ - /* is not cleared */ - " bne- 1b \n" /* try again if reservation was cleared */ - " isync \n" /* read barrier */ - - : "=&b" (res), "=&b" (temp) - : "b" (value), "b" (add) - : "cc", "memory"); - - return res; -} - - -#if (NGX_SMP) -#define ngx_memory_barrier() \ - __asm__ volatile ("isync \n eieio \n" ::: "memory") -#else -#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") -#endif - -#endif - - -#define ngx_cpu_pause() diff --git a/nginx/src/os/unix/ngx_gcc_atomic_sparc64.h b/nginx/src/os/unix/ngx_gcc_atomic_sparc64.h deleted file mode 100644 index a84db35..0000000 --- a/nginx/src/os/unix/ngx_gcc_atomic_sparc64.h +++ /dev/null @@ -1,82 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -/* - * "casa [r1] 0x80, r2, r0" and - * "casxa [r1] 0x80, r2, r0" do the following: - * - * if ([r1] == r2) { - * swap(r0, [r1]); - * } else { - * r0 = [r1]; - * } - * - * so "r0 == r2" means that the operation was successful. - * - * - * The "r" means the general register. - * The "+r" means the general register used for both input and output. - */ - - -#if (NGX_PTR_SIZE == 4) -#define NGX_CASA "casa" -#else -#define NGX_CASA "casxa" -#endif - - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - __asm__ volatile ( - - NGX_CASA " [%1] 0x80, %2, %0" - - : "+r" (set) : "r" (lock), "r" (old) : "memory"); - - return (set == old); -} - - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_uint_t old, res; - - old = *value; - - for ( ;; ) { - - res = old + add; - - __asm__ volatile ( - - NGX_CASA " [%1] 0x80, %2, %0" - - : "+r" (res) : "r" (value), "r" (old) : "memory"); - - if (res == old) { - return res; - } - - old = res; - } -} - - -#if (NGX_SMP) -#define ngx_memory_barrier() \ - __asm__ volatile ( \ - "membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad" \ - ::: "memory") -#else -#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") -#endif - -#define ngx_cpu_pause() diff --git a/nginx/src/os/unix/ngx_gcc_atomic_x86.h b/nginx/src/os/unix/ngx_gcc_atomic_x86.h deleted file mode 100644 index 54e01ae..0000000 --- a/nginx/src/os/unix/ngx_gcc_atomic_x86.h +++ /dev/null @@ -1,127 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#if (NGX_SMP) -#define NGX_SMP_LOCK "lock;" -#else -#define NGX_SMP_LOCK -#endif - - -/* - * "cmpxchgl r, [m]": - * - * if (eax == [m]) { - * zf = 1; - * [m] = r; - * } else { - * zf = 0; - * eax = [m]; - * } - * - * - * The "r" means the general register. - * The "=a" and "a" are the %eax register. - * Although we can return result in any register, we use "a" because it is - * used in cmpxchgl anyway. The result is actually in %al but not in %eax, - * however, as the code is inlined gcc can test %al as well as %eax, - * and icc adds "movzbl %al, %eax" by itself. - * - * The "cc" means that flags were changed. - */ - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - u_char res; - - __asm__ volatile ( - - NGX_SMP_LOCK - " cmpxchgl %3, %1; " - " sete %0; " - - : "=a" (res) : "m" (*lock), "a" (old), "r" (set) : "cc", "memory"); - - return res; -} - - -/* - * "xaddl r, [m]": - * - * temp = [m]; - * [m] += r; - * r = temp; - * - * - * The "+r" means the general register. - * The "cc" means that flags were changed. - */ - - -#if !(( __GNUC__ == 2 && __GNUC_MINOR__ <= 7 ) || ( __INTEL_COMPILER >= 800 )) - -/* - * icc 8.1 and 9.0 compile broken code with -march=pentium4 option: - * ngx_atomic_fetch_add() always return the input "add" value, - * so we use the gcc 2.7 version. - * - * icc 8.1 and 9.0 with -march=pentiumpro option or icc 7.1 compile - * correct code. - */ - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - __asm__ volatile ( - - NGX_SMP_LOCK - " xaddl %0, %1; " - - : "+r" (add) : "m" (*value) : "cc", "memory"); - - return add; -} - - -#else - -/* - * gcc 2.7 does not support "+r", so we have to use the fixed - * %eax ("=a" and "a") and this adds two superfluous instructions in the end - * of code, something like this: "mov %eax, %edx / mov %edx, %eax". - */ - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_uint_t old; - - __asm__ volatile ( - - NGX_SMP_LOCK - " xaddl %2, %1; " - - : "=a" (old) : "m" (*value), "a" (add) : "cc", "memory"); - - return old; -} - -#endif - - -/* - * on x86 the write operations go in a program order, so we need only - * to disable the gcc reorder optimizations - */ - -#define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") - -/* old "as" does not support "pause" opcode */ -#define ngx_cpu_pause() __asm__ (".byte 0xf3, 0x90") diff --git a/nginx/src/os/unix/ngx_linux.h b/nginx/src/os/unix/ngx_linux.h deleted file mode 100644 index 13d654e..0000000 --- a/nginx/src/os/unix/ngx_linux.h +++ /dev/null @@ -1,16 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_LINUX_H_INCLUDED_ -#define _NGX_LINUX_H_INCLUDED_ - - -ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - - -#endif /* _NGX_LINUX_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_linux_aio_read.c b/nginx/src/os/unix/ngx_linux_aio_read.c deleted file mode 100644 index 9f0a6c1..0000000 --- a/nginx/src/os/unix/ngx_linux_aio_read.c +++ /dev/null @@ -1,148 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -extern int ngx_eventfd; -extern aio_context_t ngx_aio_ctx; - - -static void ngx_file_aio_event_handler(ngx_event_t *ev); - - -static int -io_submit(aio_context_t ctx, long n, struct iocb **paiocb) -{ - return syscall(SYS_io_submit, ctx, n, paiocb); -} - - -ngx_int_t -ngx_file_aio_init(ngx_file_t *file, ngx_pool_t *pool) -{ - ngx_event_aio_t *aio; - - aio = ngx_pcalloc(pool, sizeof(ngx_event_aio_t)); - if (aio == NULL) { - return NGX_ERROR; - } - - aio->file = file; - aio->fd = file->fd; - aio->event.data = aio; - aio->event.ready = 1; - aio->event.log = file->log; - - file->aio = aio; - - return NGX_OK; -} - - -ssize_t -ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, - ngx_pool_t *pool) -{ - ngx_err_t err; - struct iocb *piocb[1]; - ngx_event_t *ev; - ngx_event_aio_t *aio; - - if (!ngx_file_aio) { - return ngx_read_file(file, buf, size, offset); - } - - if (file->aio == NULL && ngx_file_aio_init(file, pool) != NGX_OK) { - return NGX_ERROR; - } - - aio = file->aio; - ev = &aio->event; - - if (!ev->ready) { - ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "second aio post for \"%V\"", &file->name); - return NGX_AGAIN; - } - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0, - "aio complete:%d @%O:%uz %V", - ev->complete, offset, size, &file->name); - - if (ev->complete) { - ev->active = 0; - ev->complete = 0; - - if (aio->res >= 0) { - ngx_set_errno(0); - return aio->res; - } - - ngx_set_errno(-aio->res); - - ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, - "aio read \"%s\" failed", file->name.data); - - return NGX_ERROR; - } - - ngx_memzero(&aio->aiocb, sizeof(struct iocb)); - - aio->aiocb.aio_data = (uint64_t) (uintptr_t) ev; - aio->aiocb.aio_lio_opcode = IOCB_CMD_PREAD; - aio->aiocb.aio_fildes = file->fd; - aio->aiocb.aio_buf = (uint64_t) (uintptr_t) buf; - aio->aiocb.aio_nbytes = size; - aio->aiocb.aio_offset = offset; - aio->aiocb.aio_flags = IOCB_FLAG_RESFD; - aio->aiocb.aio_resfd = ngx_eventfd; - - ev->handler = ngx_file_aio_event_handler; - - piocb[0] = &aio->aiocb; - - if (io_submit(ngx_aio_ctx, 1, piocb) == 1) { - ev->active = 1; - ev->ready = 0; - ev->complete = 0; - - return NGX_AGAIN; - } - - err = ngx_errno; - - if (err == NGX_EAGAIN) { - return ngx_read_file(file, buf, size, offset); - } - - ngx_log_error(NGX_LOG_CRIT, file->log, err, - "io_submit(\"%V\") failed", &file->name); - - if (err == NGX_ENOSYS) { - ngx_file_aio = 0; - return ngx_read_file(file, buf, size, offset); - } - - return NGX_ERROR; -} - - -static void -ngx_file_aio_event_handler(ngx_event_t *ev) -{ - ngx_event_aio_t *aio; - - aio = ev->data; - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, ev->log, 0, - "aio event handler fd:%d %V", aio->fd, &aio->file->name); - - aio->handler(ev); -} diff --git a/nginx/src/os/unix/ngx_linux_config.h b/nginx/src/os/unix/ngx_linux_config.h deleted file mode 100644 index 3036cae..0000000 --- a/nginx/src/os/unix/ngx_linux_config.h +++ /dev/null @@ -1,128 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_LINUX_CONFIG_H_INCLUDED_ -#define _NGX_LINUX_CONFIG_H_INCLUDED_ - - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE /* pread(), pwrite(), gethostname() */ -#endif - -#define _FILE_OFFSET_BITS 64 - -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> -#include <stdarg.h> -#include <stddef.h> /* offsetof() */ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <dirent.h> -#include <glob.h> -#include <sys/vfs.h> /* statfs() */ - -#include <sys/uio.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/resource.h> -#include <sched.h> - -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> /* TCP_NODELAY, TCP_CORK */ -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#include <time.h> /* tzset() */ -#include <malloc.h> /* memalign() */ -#include <limits.h> /* IOV_MAX */ -#include <sys/ioctl.h> -#include <crypt.h> -#include <sys/utsname.h> /* uname() */ - -#include <dlfcn.h> - - -#include <ngx_auto_config.h> - - -#if (NGX_HAVE_POSIX_SEM) -#include <semaphore.h> -#endif - - -#if (NGX_HAVE_SYS_PRCTL_H) -#include <sys/prctl.h> -#endif - - -#if (NGX_HAVE_SENDFILE64) -#include <sys/sendfile.h> -#else -extern ssize_t sendfile(int s, int fd, int32_t *offset, size_t size); -#define NGX_SENDFILE_LIMIT 0x80000000 -#endif - - -#if (NGX_HAVE_POLL) -#include <poll.h> -#endif - - -#if (NGX_HAVE_EPOLL) -#include <sys/epoll.h> -#endif - - -#if (NGX_HAVE_SYS_EVENTFD_H) -#include <sys/eventfd.h> -#endif -#include <sys/syscall.h> -#if (NGX_HAVE_FILE_AIO) -#include <linux/aio_abi.h> -typedef struct iocb ngx_aiocb_t; -#endif - - -#if (NGX_HAVE_CAPABILITIES) -#include <linux/capability.h> -#endif - - -#define NGX_LISTEN_BACKLOG 511 - - -#ifndef NGX_HAVE_SO_SNDLOWAT -/* setsockopt(SO_SNDLOWAT) returns ENOPROTOOPT */ -#define NGX_HAVE_SO_SNDLOWAT 0 -#endif - - -#ifndef NGX_HAVE_INHERITED_NONBLOCK -#define NGX_HAVE_INHERITED_NONBLOCK 0 -#endif - - -#define NGX_HAVE_OS_SPECIFIC_INIT 1 -#define ngx_debug_init() - - -extern char **environ; - - -#endif /* _NGX_LINUX_CONFIG_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_linux_init.c b/nginx/src/os/unix/ngx_linux_init.c deleted file mode 100644 index a8cf6a0..0000000 --- a/nginx/src/os/unix/ngx_linux_init.c +++ /dev/null @@ -1,60 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -u_char ngx_linux_kern_ostype[50]; -u_char ngx_linux_kern_osrelease[50]; - - -static ngx_os_io_t ngx_linux_io = { - ngx_unix_recv, - ngx_readv_chain, - ngx_udp_unix_recv, - ngx_unix_send, - ngx_udp_unix_send, - ngx_udp_unix_sendmsg_chain, -#if (NGX_HAVE_SENDFILE) - ngx_linux_sendfile_chain, - NGX_IO_SENDFILE -#else - ngx_writev_chain, - 0 -#endif -}; - - -ngx_int_t -ngx_os_specific_init(ngx_log_t *log) -{ - struct utsname u; - - if (uname(&u) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "uname() failed"); - return NGX_ERROR; - } - - (void) ngx_cpystrn(ngx_linux_kern_ostype, (u_char *) u.sysname, - sizeof(ngx_linux_kern_ostype)); - - (void) ngx_cpystrn(ngx_linux_kern_osrelease, (u_char *) u.release, - sizeof(ngx_linux_kern_osrelease)); - - ngx_os_io = ngx_linux_io; - - return NGX_OK; -} - - -void -ngx_os_specific_status(ngx_log_t *log) -{ - ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", - ngx_linux_kern_ostype, ngx_linux_kern_osrelease); -} diff --git a/nginx/src/os/unix/ngx_linux_sendfile_chain.c b/nginx/src/os/unix/ngx_linux_sendfile_chain.c deleted file mode 100644 index 158f433..0000000 --- a/nginx/src/os/unix/ngx_linux_sendfile_chain.c +++ /dev/null @@ -1,442 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -static ssize_t ngx_linux_sendfile(ngx_connection_t *c, ngx_buf_t *file, - size_t size); - -#if (NGX_THREADS) -#include <ngx_thread_pool.h> - -#if !(NGX_HAVE_SENDFILE64) -#error sendfile64() is required! -#endif - -static ssize_t ngx_linux_sendfile_thread(ngx_connection_t *c, ngx_buf_t *file, - size_t size); -static void ngx_linux_sendfile_thread_handler(void *data, ngx_log_t *log); -#endif - - -/* - * On Linux up to 2.4.21 sendfile() (syscall #187) works with 32-bit - * offsets only, and the including <sys/sendfile.h> breaks the compiling, - * if off_t is 64 bit wide. So we use own sendfile() definition, where offset - * parameter is int32_t, and use sendfile() for the file parts below 2G only, - * see src/os/unix/ngx_linux_config.h - * - * Linux 2.4.21 has the new sendfile64() syscall #239. - * - * On Linux up to 2.6.16 sendfile() does not allow to pass the count parameter - * more than 2G-1 bytes even on 64-bit platforms: it returns EINVAL, - * so we limit it to 2G-1 bytes. - */ - -#define NGX_SENDFILE_MAXSIZE 2147483647L - - -ngx_chain_t * -ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - int tcp_nodelay; - off_t send, prev_send; - size_t file_size, sent; - ssize_t n; - ngx_err_t err; - ngx_buf_t *file; - ngx_event_t *wev; - ngx_chain_t *cl; - ngx_iovec_t header; - struct iovec headers[NGX_IOVS_PREALLOCATE]; - - wev = c->write; - - if (!wev->ready) { - return in; - } - - - /* the maximum limit size is 2G-1 - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_SENDFILE_MAXSIZE - ngx_pagesize)) { - limit = NGX_SENDFILE_MAXSIZE - ngx_pagesize; - } - - - send = 0; - - header.iovs = headers; - header.nalloc = NGX_IOVS_PREALLOCATE; - - for ( ;; ) { - prev_send = send; - - /* create the iovec and coalesce the neighbouring bufs */ - - cl = ngx_output_chain_to_iovec(&header, in, limit - send, c->log); - - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - send += header.size; - - /* set TCP_CORK if there is a header before a file */ - - if (c->tcp_nopush == NGX_TCP_NOPUSH_UNSET - && header.count != 0 - && cl - && cl->buf->in_file) - { - /* the TCP_CORK and TCP_NODELAY are mutually exclusive */ - - if (c->tcp_nodelay == NGX_TCP_NODELAY_SET) { - - tcp_nodelay = 0; - - if (ngxvcl_kvfd_setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, - (const void *) &tcp_nodelay, sizeof(int)) == -1) - { - err = ngx_socket_errno; - - /* - * there is a tiny chance to be interrupted, however, - * we continue a processing with the TCP_NODELAY - * and without the TCP_CORK - */ - - if (err != NGX_EINTR) { - wev->error = 1; - ngx_connection_error(c, err, - "setsockopt(TCP_NODELAY) failed"); - return NGX_CHAIN_ERROR; - } - - } else { - c->tcp_nodelay = NGX_TCP_NODELAY_UNSET; - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, - "no tcp_nodelay"); - } - } - - if (c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { - - if (ngx_tcp_nopush(c->fd) == -1) { - err = ngx_socket_errno; - - /* - * there is a tiny chance to be interrupted, however, - * we continue a processing without the TCP_CORK - */ - - if (err != NGX_EINTR) { - wev->error = 1; - ngx_connection_error(c, err, - ngx_tcp_nopush_n " failed"); - return NGX_CHAIN_ERROR; - } - - } else { - c->tcp_nopush = NGX_TCP_NOPUSH_SET; - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, - "tcp_nopush"); - } - } - } - - /* get the file buf */ - - if (header.count == 0 && cl && cl->buf->in_file && send < limit) { - file = cl->buf; - - /* coalesce the neighbouring file bufs */ - - file_size = (size_t) ngx_chain_coalesce_file(&cl, limit - send); - - send += file_size; -#if 1 - if (file_size == 0) { - ngx_debug_point(); - return NGX_CHAIN_ERROR; - } -#endif - - n = ngx_linux_sendfile(c, file, file_size); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - if (n == NGX_DONE) { - /* thread task posted */ - return in; - } - - sent = (n == NGX_AGAIN) ? 0 : n; - - } else { - n = ngx_writev(c, &header); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - sent = (n == NGX_AGAIN) ? 0 : n; - } - - c->sent += sent; - - in = ngx_chain_update_sent(in, sent); - - if (n == NGX_AGAIN) { - wev->ready = 0; - return in; - } - - if ((size_t) (send - prev_send) != sent) { - - /* - * sendfile() on Linux 4.3+ might be interrupted at any time, - * and provides no indication if it was interrupted or not, - * so we have to retry till an explicit EAGAIN - * - * sendfile() in threads can also report less bytes written - * than we are prepared to send now, since it was started in - * some point in the past, so we again have to retry - */ - - send = prev_send + sent; - continue; - } - - if (send >= limit || in == NULL) { - return in; - } - } -} - - -static ssize_t -ngx_linux_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size) -{ -#if (NGX_HAVE_SENDFILE64) - off_t offset; -#else - int32_t offset; -#endif - ssize_t n; - ngx_err_t err; - -#if (NGX_THREADS) - - if (file->file->thread_handler) { - return ngx_linux_sendfile_thread(c, file, size); - } - -#endif - -#if (NGX_HAVE_SENDFILE64) - offset = file->file_pos; -#else - offset = (int32_t) file->file_pos; -#endif - -eintr: - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendfile: @%O %uz", file->file_pos, size); - - n = ngxvcl_sendfile(c->fd, file->file->fd, &offset, size); - - if (n == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendfile() is not ready"); - return NGX_AGAIN; - - case NGX_EINTR: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendfile() was interrupted"); - goto eintr; - - default: - c->write->error = 1; - ngx_connection_error(c, err, "sendfile() failed"); - return NGX_ERROR; - } - } - - if (n == 0) { - /* - * if sendfile returns zero, then someone has truncated the file, - * so the offset became beyond the end of the file - */ - - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile() reported that \"%s\" was truncated at %O", - file->file->name.data, file->file_pos); - - return NGX_ERROR; - } - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "sendfile: %z of %uz @%O", - n, size, file->file_pos); - - return n; -} - - -#if (NGX_THREADS) - -typedef struct { - ngx_buf_t *file; - ngx_socket_t socket; - size_t size; - - size_t sent; - ngx_err_t err; -} ngx_linux_sendfile_ctx_t; - - -static ssize_t -ngx_linux_sendfile_thread(ngx_connection_t *c, ngx_buf_t *file, size_t size) -{ - ngx_event_t *wev; - ngx_thread_task_t *task; - ngx_linux_sendfile_ctx_t *ctx; - - ngx_log_debug3(NGX_LOG_DEBUG_CORE, c->log, 0, - "linux sendfile thread: %d, %uz, %O", - file->file->fd, size, file->file_pos); - - task = c->sendfile_task; - - if (task == NULL) { - task = ngx_thread_task_alloc(c->pool, sizeof(ngx_linux_sendfile_ctx_t)); - if (task == NULL) { - return NGX_ERROR; - } - - task->handler = ngx_linux_sendfile_thread_handler; - - c->sendfile_task = task; - } - - ctx = task->ctx; - wev = c->write; - - if (task->event.complete) { - task->event.complete = 0; - - if (ctx->err == NGX_EAGAIN) { - /* - * if wev->complete is set, this means that a write event - * happened while we were waiting for the thread task, so - * we have to retry sending even on EAGAIN - */ - - if (wev->complete) { - return 0; - } - - return NGX_AGAIN; - } - - if (ctx->err) { - wev->error = 1; - ngx_connection_error(c, ctx->err, "sendfile() failed"); - return NGX_ERROR; - } - - if (ctx->sent == 0) { - /* - * if sendfile returns zero, then someone has truncated the file, - * so the offset became beyond the end of the file - */ - - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile() reported that \"%s\" was truncated at %O", - file->file->name.data, file->file_pos); - - return NGX_ERROR; - } - - return ctx->sent; - } - - if (task->event.active && ctx->file == file) { - /* - * tolerate duplicate calls; they can happen due to subrequests - * or multiple calls of the next body filter from a filter - */ - - return NGX_DONE; - } - - ctx->file = file; - ctx->socket = c->fd; - ctx->size = size; - - wev->complete = 0; - - if (file->file->thread_handler(task, file->file) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_DONE; -} - - -static void -ngx_linux_sendfile_thread_handler(void *data, ngx_log_t *log) -{ - ngx_linux_sendfile_ctx_t *ctx = data; - - off_t offset; - ssize_t n; - ngx_buf_t *file; - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "linux sendfile thread handler"); - - file = ctx->file; - offset = file->file_pos; - -again: - - n = ngxvcl_sendfile(ctx->socket, file->file->fd, &offset, ctx->size); - - if (n == -1) { - ctx->err = ngx_errno; - - } else { - ctx->sent = n; - ctx->err = 0; - } - -#if 0 - ngx_time_update(); -#endif - - ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, - "sendfile: %z (err: %d) of %uz @%O", - n, ctx->err, ctx->size, file->file_pos); - - if (ctx->err == NGX_EINTR) { - goto again; - } -} - -#endif /* NGX_THREADS */ diff --git a/nginx/src/os/unix/ngx_os.h b/nginx/src/os/unix/ngx_os.h deleted file mode 100644 index 3b32819..0000000 --- a/nginx/src/os/unix/ngx_os.h +++ /dev/null @@ -1,102 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_OS_H_INCLUDED_ -#define _NGX_OS_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#define NGX_IO_SENDFILE 1 - - -typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size); -typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); -typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size); -typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - -typedef struct { - ngx_recv_pt recv; - ngx_recv_chain_pt recv_chain; - ngx_recv_pt udp_recv; - ngx_send_pt send; - ngx_send_pt udp_send; - ngx_send_chain_pt udp_send_chain; - ngx_send_chain_pt send_chain; - ngx_uint_t flags; -} ngx_os_io_t; - - -ngx_int_t ngx_os_init(ngx_log_t *log); -void ngx_os_status(ngx_log_t *log); -ngx_int_t ngx_os_specific_init(ngx_log_t *log); -void ngx_os_specific_status(ngx_log_t *log); -ngx_int_t ngx_daemon(ngx_log_t *log); -ngx_int_t ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_pid_t pid); - - -ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size); -ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry, off_t limit); -ssize_t ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size); -ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size); -ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); -ssize_t ngx_udp_unix_send(ngx_connection_t *c, u_char *buf, size_t size); -ngx_chain_t *ngx_udp_unix_sendmsg_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - - -#if (IOV_MAX > 64) -#define NGX_IOVS_PREALLOCATE 64 -#else -#define NGX_IOVS_PREALLOCATE IOV_MAX -#endif - - -typedef struct { - struct iovec *iovs; - ngx_uint_t count; - size_t size; - ngx_uint_t nalloc; -} ngx_iovec_t; - -ngx_chain_t *ngx_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in, - size_t limit, ngx_log_t *log); - - -ssize_t ngx_writev(ngx_connection_t *c, ngx_iovec_t *vec); - - -extern ngx_os_io_t ngx_os_io; -extern ngx_int_t ngx_ncpu; -extern ngx_int_t ngx_max_sockets; -extern ngx_uint_t ngx_inherited_nonblocking; -extern ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; - - -#if (NGX_FREEBSD) -#include <ngx_freebsd.h> - - -#elif (NGX_LINUX) -#include <ngx_linux.h> - - -#elif (NGX_SOLARIS) -#include <ngx_solaris.h> - - -#elif (NGX_DARWIN) -#include <ngx_darwin.h> -#endif - - -#endif /* _NGX_OS_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_posix_config.h b/nginx/src/os/unix/ngx_posix_config.h deleted file mode 100644 index 2a8c413..0000000 --- a/nginx/src/os/unix/ngx_posix_config.h +++ /dev/null @@ -1,151 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_POSIX_CONFIG_H_INCLUDED_ -#define _NGX_POSIX_CONFIG_H_INCLUDED_ - - -#if (NGX_HPUX) -#define _XOPEN_SOURCE -#define _XOPEN_SOURCE_EXTENDED 1 -#define _HPUX_ALT_XOPEN_SOCKET_API -#endif - - -#if (NGX_TRU64) -#define _REENTRANT -#endif - - -#if (NGX_GNU_HURD) -#ifndef _GNU_SOURCE -#define _GNU_SOURCE /* accept4() */ -#endif -#define _FILE_OFFSET_BITS 64 -#endif - - -#ifdef __CYGWIN__ -#define timezonevar /* timezone is variable */ -#define NGX_BROKEN_SCM_RIGHTS 1 -#endif - - -#include <sys/types.h> -#include <sys/time.h> -#if (NGX_HAVE_UNISTD_H) -#include <unistd.h> -#endif -#if (NGX_HAVE_INTTYPES_H) -#include <inttypes.h> -#endif -#include <stdarg.h> -#include <stddef.h> /* offsetof() */ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <dirent.h> -#include <glob.h> -#include <time.h> -#if (NGX_HAVE_SYS_PARAM_H) -#include <sys/param.h> /* statfs() */ -#endif -#if (NGX_HAVE_SYS_MOUNT_H) -#include <sys/mount.h> /* statfs() */ -#endif -#if (NGX_HAVE_SYS_STATVFS_H) -#include <sys/statvfs.h> /* statvfs() */ -#endif - -#if (NGX_HAVE_SYS_FILIO_H) -#include <sys/filio.h> /* FIONBIO */ -#endif -#include <sys/ioctl.h> /* FIONBIO */ - -#include <sys/uio.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/resource.h> -#include <sched.h> - -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> /* TCP_NODELAY */ -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#if (NGX_HAVE_LIMITS_H) -#include <limits.h> /* IOV_MAX */ -#endif - -#ifdef __CYGWIN__ -#include <malloc.h> /* memalign() */ -#endif - -#if (NGX_HAVE_CRYPT_H) -#include <crypt.h> -#endif - - -#ifndef IOV_MAX -#define IOV_MAX 16 -#endif - - -#include <ngx_auto_config.h> - - -#if (NGX_HAVE_DLOPEN) -#include <dlfcn.h> -#endif - - -#if (NGX_HAVE_POSIX_SEM) -#include <semaphore.h> -#endif - - -#if (NGX_HAVE_POLL) -#include <poll.h> -#endif - - -#if (NGX_HAVE_KQUEUE) -#include <sys/event.h> -#endif - - -#if (NGX_HAVE_DEVPOLL) && !(NGX_TEST_BUILD_DEVPOLL) -#include <sys/ioctl.h> -#include <sys/devpoll.h> -#endif - - -#if (NGX_HAVE_FILE_AIO) -#include <aio.h> -typedef struct aiocb ngx_aiocb_t; -#endif - - -#define NGX_LISTEN_BACKLOG 511 - -#define ngx_debug_init() - - -extern char **environ; - - -#endif /* _NGX_POSIX_CONFIG_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_posix_init.c b/nginx/src/os/unix/ngx_posix_init.c deleted file mode 100644 index 7824735..0000000 --- a/nginx/src/os/unix/ngx_posix_init.c +++ /dev/null @@ -1,144 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <nginx.h> - - -ngx_int_t ngx_ncpu; -ngx_int_t ngx_max_sockets; -ngx_uint_t ngx_inherited_nonblocking; -ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; - - -struct rlimit rlmt; - - -ngx_os_io_t ngx_os_io = { - ngx_unix_recv, - ngx_readv_chain, - ngx_udp_unix_recv, - ngx_unix_send, - ngx_udp_unix_send, - ngx_udp_unix_sendmsg_chain, - ngx_writev_chain, - 0 -}; - - -ngx_int_t -ngx_os_init(ngx_log_t *log) -{ - ngx_time_t *tp; - ngx_uint_t n; -#if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) - long size; -#endif - -#if (NGX_HAVE_OS_SPECIFIC_INIT) - if (ngx_os_specific_init(log) != NGX_OK) { - return NGX_ERROR; - } -#endif - - if (ngx_init_setproctitle(log) != NGX_OK) { - return NGX_ERROR; - } - - ngx_pagesize = getpagesize(); - ngx_cacheline_size = NGX_CPU_CACHE_LINE; - - for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } - -#if (NGX_HAVE_SC_NPROCESSORS_ONLN) - if (ngx_ncpu == 0) { - ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); - } -#endif - - if (ngx_ncpu < 1) { - ngx_ncpu = 1; - } - -#if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) - size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE); - if (size > 0) { - ngx_cacheline_size = size; - } -#endif - - ngx_cpuinfo(); - - if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, errno, - "getrlimit(RLIMIT_NOFILE) failed"); - return NGX_ERROR; - } - - ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; - -#if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) - ngx_inherited_nonblocking = 1; -#else - ngx_inherited_nonblocking = 0; -#endif - - tp = ngx_timeofday(); - srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); - - return NGX_OK; -} - - -void -ngx_os_status(ngx_log_t *log) -{ - ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER_BUILD); - -#ifdef NGX_COMPILER - ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); -#endif - -#if (NGX_HAVE_OS_SPECIFIC_INIT) - ngx_os_specific_status(log); -#endif - - ngx_log_error(NGX_LOG_NOTICE, log, 0, - "getrlimit(RLIMIT_NOFILE): %r:%r", - rlmt.rlim_cur, rlmt.rlim_max); -} - - -#if 0 - -ngx_int_t -ngx_posix_post_conf_init(ngx_log_t *log) -{ - ngx_fd_t pp[2]; - - if (pipe(pp) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); - return NGX_ERROR; - } - - if (dup2(pp[1], STDERR_FILENO) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); - return NGX_ERROR; - } - - if (pp[1] > STDERR_FILENO) { - if (close(pp[1]) == -1) { - ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); - return NGX_ERROR; - } - } - - return NGX_OK; -} - -#endif diff --git a/nginx/src/os/unix/ngx_process.c b/nginx/src/os/unix/ngx_process.c deleted file mode 100644 index 1568023..0000000 --- a/nginx/src/os/unix/ngx_process.c +++ /dev/null @@ -1,648 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_channel.h> - - -typedef struct { - int signo; - char *signame; - char *name; - void (*handler)(int signo, siginfo_t *siginfo, void *ucontext); -} ngx_signal_t; - - - -static void ngx_execute_proc(ngx_cycle_t *cycle, void *data); -static void ngx_signal_handler(int signo, siginfo_t *siginfo, void *ucontext); -static void ngx_process_get_status(void); -static void ngx_unlock_mutexes(ngx_pid_t pid); - - -int ngx_argc; -char **ngx_argv; -char **ngx_os_argv; - -ngx_int_t ngx_process_slot; -ngx_socket_t ngx_channel; -ngx_int_t ngx_last_process; -ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; - - -ngx_signal_t signals[] = { - { ngx_signal_value(NGX_RECONFIGURE_SIGNAL), - "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL), - "reload", - ngx_signal_handler }, - - { ngx_signal_value(NGX_REOPEN_SIGNAL), - "SIG" ngx_value(NGX_REOPEN_SIGNAL), - "reopen", - ngx_signal_handler }, - - { ngx_signal_value(NGX_NOACCEPT_SIGNAL), - "SIG" ngx_value(NGX_NOACCEPT_SIGNAL), - "", - ngx_signal_handler }, - - { ngx_signal_value(NGX_TERMINATE_SIGNAL), - "SIG" ngx_value(NGX_TERMINATE_SIGNAL), - "stop", - ngx_signal_handler }, - - { ngx_signal_value(NGX_SHUTDOWN_SIGNAL), - "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL), - "quit", - ngx_signal_handler }, - - { ngx_signal_value(NGX_CHANGEBIN_SIGNAL), - "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL), - "", - ngx_signal_handler }, - - { SIGALRM, "SIGALRM", "", ngx_signal_handler }, - - { SIGINT, "SIGINT", "", ngx_signal_handler }, - - { SIGIO, "SIGIO", "", ngx_signal_handler }, - - { SIGCHLD, "SIGCHLD", "", ngx_signal_handler }, - - { SIGSYS, "SIGSYS, SIG_IGN", "", NULL }, - - { SIGPIPE, "SIGPIPE, SIG_IGN", "", NULL }, - - { 0, NULL, "", NULL } -}; - - -ngx_pid_t -ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data, - char *name, ngx_int_t respawn) -{ - u_long on; - ngx_pid_t pid; - ngx_int_t s; - - if (respawn >= 0) { - s = respawn; - - } else { - for (s = 0; s < ngx_last_process; s++) { - if (ngx_processes[s].pid == -1) { - break; - } - } - - if (s == NGX_MAX_PROCESSES) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "no more than %d processes can be spawned", - NGX_MAX_PROCESSES); - return NGX_INVALID_PID; - } - } - - - if (respawn != NGX_PROCESS_DETACHED) { - - /* Solaris 9 still has no AF_LOCAL */ - - if (socketpair(AF_UNIX, SOCK_STREAM, 0, ngx_processes[s].channel) == -1) - { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "socketpair() failed while spawning \"%s\"", name); - return NGX_INVALID_PID; - } - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "channel %d:%d", - ngx_processes[s].channel[0], - ngx_processes[s].channel[1]); - - if (ngx_nonblocking(ngx_processes[s].channel[0]) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - ngx_nonblocking_n " failed while spawning \"%s\"", - name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - if (ngx_nonblocking(ngx_processes[s].channel[1]) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - ngx_nonblocking_n " failed while spawning \"%s\"", - name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - on = 1; - if (ioctl(ngx_processes[s].channel[0], FIOASYNC, &on) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "ioctl(FIOASYNC) failed while spawning \"%s\"", name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - if (fcntl(ngx_processes[s].channel[0], F_SETOWN, ngx_pid) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "fcntl(F_SETOWN) failed while spawning \"%s\"", name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - if (fcntl(ngx_processes[s].channel[0], F_SETFD, FD_CLOEXEC) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "fcntl(FD_CLOEXEC) failed while spawning \"%s\"", - name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - if (fcntl(ngx_processes[s].channel[1], F_SETFD, FD_CLOEXEC) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "fcntl(FD_CLOEXEC) failed while spawning \"%s\"", - name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - } - - ngx_channel = ngx_processes[s].channel[1]; - - } else { - ngx_processes[s].channel[0] = -1; - ngx_processes[s].channel[1] = -1; - } - - ngx_process_slot = s; - - - pid = fork(); - - switch (pid) { - - case -1: - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "fork() failed while spawning \"%s\"", name); - ngx_close_channel(ngx_processes[s].channel, cycle->log); - return NGX_INVALID_PID; - - case 0: - ngx_parent = ngx_pid; - ngx_pid = ngx_getpid(); - proc(cycle, data); - break; - - default: - break; - } - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start %s %P", name, pid); - - ngx_processes[s].pid = pid; - ngx_processes[s].exited = 0; - - if (respawn >= 0) { - return pid; - } - - ngx_processes[s].proc = proc; - ngx_processes[s].data = data; - ngx_processes[s].name = name; - ngx_processes[s].exiting = 0; - - switch (respawn) { - - case NGX_PROCESS_NORESPAWN: - ngx_processes[s].respawn = 0; - ngx_processes[s].just_spawn = 0; - ngx_processes[s].detached = 0; - break; - - case NGX_PROCESS_JUST_SPAWN: - ngx_processes[s].respawn = 0; - ngx_processes[s].just_spawn = 1; - ngx_processes[s].detached = 0; - break; - - case NGX_PROCESS_RESPAWN: - ngx_processes[s].respawn = 1; - ngx_processes[s].just_spawn = 0; - ngx_processes[s].detached = 0; - break; - - case NGX_PROCESS_JUST_RESPAWN: - ngx_processes[s].respawn = 1; - ngx_processes[s].just_spawn = 1; - ngx_processes[s].detached = 0; - break; - - case NGX_PROCESS_DETACHED: - ngx_processes[s].respawn = 0; - ngx_processes[s].just_spawn = 0; - ngx_processes[s].detached = 1; - break; - } - - if (s == ngx_last_process) { - ngx_last_process++; - } - - return pid; -} - - -ngx_pid_t -ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx) -{ - return ngx_spawn_process(cycle, ngx_execute_proc, ctx, ctx->name, - NGX_PROCESS_DETACHED); -} - - -static void -ngx_execute_proc(ngx_cycle_t *cycle, void *data) -{ - ngx_exec_ctx_t *ctx = data; - - if (execve(ctx->path, ctx->argv, ctx->envp) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "execve() failed while executing %s \"%s\"", - ctx->name, ctx->path); - } - - exit(1); -} - - -ngx_int_t -ngx_init_signals(ngx_log_t *log) -{ - ngx_signal_t *sig; - struct sigaction sa; - - for (sig = signals; sig->signo != 0; sig++) { - ngx_memzero(&sa, sizeof(struct sigaction)); - - if (sig->handler) { - sa.sa_sigaction = sig->handler; - sa.sa_flags = SA_SIGINFO; - - } else { - sa.sa_handler = SIG_IGN; - } - - sigemptyset(&sa.sa_mask); - if (sigaction(sig->signo, &sa, NULL) == -1) { -#if (NGX_VALGRIND) - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sigaction(%s) failed, ignored", sig->signame); -#else - ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, - "sigaction(%s) failed", sig->signame); - return NGX_ERROR; -#endif - } - } - - return NGX_OK; -} - - -static void -ngx_signal_handler(int signo, siginfo_t *siginfo, void *ucontext) -{ - char *action; - ngx_int_t ignore; - ngx_err_t err; - ngx_signal_t *sig; - - ignore = 0; - - err = ngx_errno; - - for (sig = signals; sig->signo != 0; sig++) { - if (sig->signo == signo) { - break; - } - } - - ngx_time_sigsafe_update(); - - action = ""; - - switch (ngx_process) { - - case NGX_PROCESS_MASTER: - case NGX_PROCESS_SINGLE: - switch (signo) { - - case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): - ngx_quit = 1; - action = ", shutting down"; - break; - - case ngx_signal_value(NGX_TERMINATE_SIGNAL): - case SIGINT: - ngx_terminate = 1; - action = ", exiting"; - break; - - case ngx_signal_value(NGX_NOACCEPT_SIGNAL): - if (ngx_daemonized) { - ngx_noaccept = 1; - action = ", stop accepting connections"; - } - break; - - case ngx_signal_value(NGX_RECONFIGURE_SIGNAL): - ngx_reconfigure = 1; - action = ", reconfiguring"; - break; - - case ngx_signal_value(NGX_REOPEN_SIGNAL): - ngx_reopen = 1; - action = ", reopening logs"; - break; - - case ngx_signal_value(NGX_CHANGEBIN_SIGNAL): - if (ngx_getppid() == ngx_parent || ngx_new_binary > 0) { - - /* - * Ignore the signal in the new binary if its parent is - * not changed, i.e. the old binary's process is still - * running. Or ignore the signal in the old binary's - * process if the new binary's process is already running. - */ - - action = ", ignoring"; - ignore = 1; - break; - } - - ngx_change_binary = 1; - action = ", changing binary"; - break; - - case SIGALRM: - ngx_sigalrm = 1; - break; - - case SIGIO: - ngx_sigio = 1; - break; - - case SIGCHLD: - ngx_reap = 1; - break; - } - - break; - - case NGX_PROCESS_WORKER: - case NGX_PROCESS_HELPER: - switch (signo) { - - case ngx_signal_value(NGX_NOACCEPT_SIGNAL): - if (!ngx_daemonized) { - break; - } - ngx_debug_quit = 1; - /* fall through */ - case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): - ngx_quit = 1; - action = ", shutting down"; - break; - - case ngx_signal_value(NGX_TERMINATE_SIGNAL): - case SIGINT: - ngx_terminate = 1; - action = ", exiting"; - break; - - case ngx_signal_value(NGX_REOPEN_SIGNAL): - ngx_reopen = 1; - action = ", reopening logs"; - break; - - case ngx_signal_value(NGX_RECONFIGURE_SIGNAL): - case ngx_signal_value(NGX_CHANGEBIN_SIGNAL): - case SIGIO: - action = ", ignoring"; - break; - } - - break; - } - - if (siginfo && siginfo->si_pid) { - ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, - "signal %d (%s) received from %P%s", - signo, sig->signame, siginfo->si_pid, action); - - } else { - ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, - "signal %d (%s) received%s", - signo, sig->signame, action); - } - - if (ignore) { - ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, 0, - "the changing binary signal is ignored: " - "you should shutdown or terminate " - "before either old or new binary's process"); - } - - if (signo == SIGCHLD) { - ngx_process_get_status(); - } - - ngx_set_errno(err); -} - - -static void -ngx_process_get_status(void) -{ - int status; - char *process; - ngx_pid_t pid; - ngx_err_t err; - ngx_int_t i; - ngx_uint_t one; - - one = 0; - - for ( ;; ) { - pid = waitpid(-1, &status, WNOHANG); - - if (pid == 0) { - return; - } - - if (pid == -1) { - err = ngx_errno; - - if (err == NGX_EINTR) { - continue; - } - - if (err == NGX_ECHILD && one) { - return; - } - - /* - * Solaris always calls the signal handler for each exited process - * despite waitpid() may be already called for this process. - * - * When several processes exit at the same time FreeBSD may - * erroneously call the signal handler for exited process - * despite waitpid() may be already called for this process. - */ - - if (err == NGX_ECHILD) { - ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, err, - "waitpid() failed"); - return; - } - - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, err, - "waitpid() failed"); - return; - } - - - one = 1; - process = "unknown process"; - - for (i = 0; i < ngx_last_process; i++) { - if (ngx_processes[i].pid == pid) { - ngx_processes[i].status = status; - ngx_processes[i].exited = 1; - process = ngx_processes[i].name; - break; - } - } - - if (WTERMSIG(status)) { -#ifdef WCOREDUMP - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "%s %P exited on signal %d%s", - process, pid, WTERMSIG(status), - WCOREDUMP(status) ? " (core dumped)" : ""); -#else - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "%s %P exited on signal %d", - process, pid, WTERMSIG(status)); -#endif - - } else { - ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, - "%s %P exited with code %d", - process, pid, WEXITSTATUS(status)); - } - - if (WEXITSTATUS(status) == 2 && ngx_processes[i].respawn) { - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "%s %P exited with fatal code %d " - "and cannot be respawned", - process, pid, WEXITSTATUS(status)); - ngx_processes[i].respawn = 0; - } - - ngx_unlock_mutexes(pid); - } -} - - -static void -ngx_unlock_mutexes(ngx_pid_t pid) -{ - ngx_uint_t i; - ngx_shm_zone_t *shm_zone; - ngx_list_part_t *part; - ngx_slab_pool_t *sp; - - /* - * unlock the accept mutex if the abnormally exited process - * held it - */ - - if (ngx_accept_mutex_ptr) { - (void) ngx_shmtx_force_unlock(&ngx_accept_mutex, pid); - } - - /* - * unlock shared memory mutexes if held by the abnormally exited - * process - */ - - part = (ngx_list_part_t *) &ngx_cycle->shared_memory.part; - shm_zone = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - part = part->next; - shm_zone = part->elts; - i = 0; - } - - sp = (ngx_slab_pool_t *) shm_zone[i].shm.addr; - - if (ngx_shmtx_force_unlock(&sp->mutex, pid)) { - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "shared memory zone \"%V\" was locked by %P", - &shm_zone[i].shm.name, pid); - } - } -} - - -void -ngx_debug_point(void) -{ - ngx_core_conf_t *ccf; - - ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx, - ngx_core_module); - - switch (ccf->debug_points) { - - case NGX_DEBUG_POINTS_STOP: - raise(SIGSTOP); - break; - - case NGX_DEBUG_POINTS_ABORT: - ngx_abort(); - } -} - - -ngx_int_t -ngx_os_signal_process(ngx_cycle_t *cycle, char *name, ngx_pid_t pid) -{ - ngx_signal_t *sig; - - for (sig = signals; sig->signo != 0; sig++) { - if (ngx_strcmp(name, sig->name) == 0) { - if (kill(pid, sig->signo) != -1) { - return 0; - } - - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "kill(%P, %d) failed", pid, sig->signo); - } - } - - return 1; -} diff --git a/nginx/src/os/unix/ngx_process.h b/nginx/src/os/unix/ngx_process.h deleted file mode 100644 index 3986639..0000000 --- a/nginx/src/os/unix/ngx_process.h +++ /dev/null @@ -1,90 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_PROCESS_H_INCLUDED_ -#define _NGX_PROCESS_H_INCLUDED_ - - -#include <ngx_setaffinity.h> -#include <ngx_setproctitle.h> - - -typedef pid_t ngx_pid_t; - -#define NGX_INVALID_PID -1 - -typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data); - -typedef struct { - ngx_pid_t pid; - int status; - ngx_socket_t channel[2]; - - ngx_spawn_proc_pt proc; - void *data; - char *name; - - unsigned respawn:1; - unsigned just_spawn:1; - unsigned detached:1; - unsigned exiting:1; - unsigned exited:1; -} ngx_process_t; - - -typedef struct { - char *path; - char *name; - char *const *argv; - char *const *envp; -} ngx_exec_ctx_t; - - -#define NGX_MAX_PROCESSES 1024 - -#define NGX_PROCESS_NORESPAWN -1 -#define NGX_PROCESS_JUST_SPAWN -2 -#define NGX_PROCESS_RESPAWN -3 -#define NGX_PROCESS_JUST_RESPAWN -4 -#define NGX_PROCESS_DETACHED -5 - - -#define ngx_getpid getpid -#define ngx_getppid getppid - -#ifndef ngx_log_pid -#define ngx_log_pid ngx_pid -#endif - - -ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle, - ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn); -ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx); -ngx_int_t ngx_init_signals(ngx_log_t *log); -void ngx_debug_point(void); - - -#if (NGX_HAVE_SCHED_YIELD) -#define ngx_sched_yield() sched_yield() -#else -#define ngx_sched_yield() usleep(1) -#endif - - -extern int ngx_argc; -extern char **ngx_argv; -extern char **ngx_os_argv; - -extern ngx_pid_t ngx_pid; -extern ngx_pid_t ngx_parent; -extern ngx_socket_t ngx_channel; -extern ngx_int_t ngx_process_slot; -extern ngx_int_t ngx_last_process; -extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; - - -#endif /* _NGX_PROCESS_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_process_cycle.c b/nginx/src/os/unix/ngx_process_cycle.c deleted file mode 100644 index 3236904..0000000 --- a/nginx/src/os/unix/ngx_process_cycle.c +++ /dev/null @@ -1,1232 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_channel.h> - - -static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, - ngx_int_t type); -static void ngx_start_cache_manager_processes(ngx_cycle_t *cycle, - ngx_uint_t respawn); -static void ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch); -static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo); -static ngx_uint_t ngx_reap_children(ngx_cycle_t *cycle); -static void ngx_master_process_exit(ngx_cycle_t *cycle); -static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data); -static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker); -static void ngx_worker_process_exit(ngx_cycle_t *cycle); -static void ngx_channel_handler(ngx_event_t *ev); -static void ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data); -static void ngx_cache_manager_process_handler(ngx_event_t *ev); -static void ngx_cache_loader_process_handler(ngx_event_t *ev); - - -ngx_uint_t ngx_process; -ngx_uint_t ngx_worker; -ngx_pid_t ngx_pid; -ngx_pid_t ngx_parent; - -sig_atomic_t ngx_reap; -sig_atomic_t ngx_sigio; -sig_atomic_t ngx_sigalrm; -sig_atomic_t ngx_terminate; -sig_atomic_t ngx_quit; -sig_atomic_t ngx_debug_quit; -ngx_uint_t ngx_exiting; -sig_atomic_t ngx_reconfigure; -sig_atomic_t ngx_reopen; - -sig_atomic_t ngx_change_binary; -ngx_pid_t ngx_new_binary; -ngx_uint_t ngx_inherited; -ngx_uint_t ngx_daemonized; - -sig_atomic_t ngx_noaccept; -ngx_uint_t ngx_noaccepting; -ngx_uint_t ngx_restart; - - -static u_char master_process[] = "master process"; - - -static ngx_cache_manager_ctx_t ngx_cache_manager_ctx = { - ngx_cache_manager_process_handler, "cache manager process", 0 -}; - -static ngx_cache_manager_ctx_t ngx_cache_loader_ctx = { - ngx_cache_loader_process_handler, "cache loader process", 60000 -}; - - -static ngx_cycle_t ngx_exit_cycle; -static ngx_log_t ngx_exit_log; -static ngx_open_file_t ngx_exit_log_file; - - -void -ngx_master_process_cycle(ngx_cycle_t *cycle) -{ - char *title; - u_char *p; - size_t size; - ngx_int_t i; - ngx_uint_t n, sigio; - sigset_t set; - struct itimerval itv; - ngx_uint_t live; - ngx_msec_t delay; - ngx_listening_t *ls; - ngx_core_conf_t *ccf; - - sigemptyset(&set); - sigaddset(&set, SIGCHLD); - sigaddset(&set, SIGALRM); - sigaddset(&set, SIGIO); - sigaddset(&set, SIGINT); - sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL)); - sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL)); - sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL)); - sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL)); - sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); - sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL)); - - if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "sigprocmask() failed"); - } - - sigemptyset(&set); - - - size = sizeof(master_process); - - for (i = 0; i < ngx_argc; i++) { - size += ngx_strlen(ngx_argv[i]) + 1; - } - - title = ngx_pnalloc(cycle->pool, size); - if (title == NULL) { - /* fatal */ - exit(2); - } - - p = ngx_cpymem(title, master_process, sizeof(master_process) - 1); - for (i = 0; i < ngx_argc; i++) { - *p++ = ' '; - p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size); - } - - ngx_setproctitle(title); - - - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); - - ngx_start_worker_processes(cycle, ccf->worker_processes, - NGX_PROCESS_RESPAWN); - ngx_start_cache_manager_processes(cycle, 0); - - ngx_new_binary = 0; - delay = 0; - sigio = 0; - live = 1; - - for ( ;; ) { - if (delay) { - if (ngx_sigalrm) { - sigio = 0; - delay *= 2; - ngx_sigalrm = 0; - } - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "termination cycle: %M", delay); - - itv.it_interval.tv_sec = 0; - itv.it_interval.tv_usec = 0; - itv.it_value.tv_sec = delay / 1000; - itv.it_value.tv_usec = (delay % 1000 ) * 1000; - - if (setitimer(ITIMER_REAL, &itv, NULL) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "setitimer() failed"); - } - } - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend"); - - sigsuspend(&set); - - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "wake up, sigio %i", sigio); - - if (ngx_reap) { - ngx_reap = 0; - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap children"); - - live = ngx_reap_children(cycle); - } - - if (!live && (ngx_terminate || ngx_quit)) { - ngx_master_process_exit(cycle); - } - - if (ngx_terminate) { - if (delay == 0) { - delay = 50; - } - - if (sigio) { - sigio--; - continue; - } - - sigio = ccf->worker_processes + 2 /* cache processes */; - - if (delay > 1000) { - ngx_signal_worker_processes(cycle, SIGKILL); - } else { - ngx_signal_worker_processes(cycle, - ngx_signal_value(NGX_TERMINATE_SIGNAL)); - } - - continue; - } - - if (ngx_quit) { - ngx_signal_worker_processes(cycle, - ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); - - ls = cycle->listening.elts; - for (n = 0; n < cycle->listening.nelts; n++) { - if (ngx_close_socket(ls[n].fd) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, - ngx_close_socket_n " %V failed", - &ls[n].addr_text); - } - } - cycle->listening.nelts = 0; - - continue; - } - - if (ngx_reconfigure) { - ngx_reconfigure = 0; - - if (ngx_new_binary) { - ngx_start_worker_processes(cycle, ccf->worker_processes, - NGX_PROCESS_RESPAWN); - ngx_start_cache_manager_processes(cycle, 0); - ngx_noaccepting = 0; - - continue; - } - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); - - cycle = ngx_init_cycle(cycle); - if (cycle == NULL) { - cycle = (ngx_cycle_t *) ngx_cycle; - continue; - } - - ngx_cycle = cycle; - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, - ngx_core_module); - ngx_start_worker_processes(cycle, ccf->worker_processes, - NGX_PROCESS_JUST_RESPAWN); - ngx_start_cache_manager_processes(cycle, 1); - - /* allow new processes to start */ - ngx_msleep(100); - - live = 1; - ngx_signal_worker_processes(cycle, - ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); - } - - if (ngx_restart) { - ngx_restart = 0; - ngx_start_worker_processes(cycle, ccf->worker_processes, - NGX_PROCESS_RESPAWN); - ngx_start_cache_manager_processes(cycle, 0); - live = 1; - } - - if (ngx_reopen) { - ngx_reopen = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); - ngx_reopen_files(cycle, ccf->user); - ngx_signal_worker_processes(cycle, - ngx_signal_value(NGX_REOPEN_SIGNAL)); - } - - if (ngx_change_binary) { - ngx_change_binary = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary"); - ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv); - } - - if (ngx_noaccept) { - ngx_noaccept = 0; - ngx_noaccepting = 1; - ngx_signal_worker_processes(cycle, - ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); - } - } -} - - -void -ngx_single_process_cycle(ngx_cycle_t *cycle) -{ - ngx_uint_t i; - - if (ngx_set_environment(cycle, NULL) == NULL) { - /* fatal */ - exit(2); - } - - for (i = 0; cycle->modules[i]; i++) { - if (cycle->modules[i]->init_process) { - if (cycle->modules[i]->init_process(cycle) == NGX_ERROR) { - /* fatal */ - exit(2); - } - } - } - - for ( ;; ) { - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); - - ngx_process_events_and_timers(cycle); - - if (ngx_terminate || ngx_quit) { - - for (i = 0; cycle->modules[i]; i++) { - if (cycle->modules[i]->exit_process) { - cycle->modules[i]->exit_process(cycle); - } - } - - ngx_master_process_exit(cycle); - } - - if (ngx_reconfigure) { - ngx_reconfigure = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); - - cycle = ngx_init_cycle(cycle); - if (cycle == NULL) { - cycle = (ngx_cycle_t *) ngx_cycle; - continue; - } - - ngx_cycle = cycle; - } - - if (ngx_reopen) { - ngx_reopen = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); - ngx_reopen_files(cycle, (ngx_uid_t) -1); - } - } -} - - -static void -ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type) -{ - ngx_int_t i; - ngx_channel_t ch; - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); - - ngx_memzero(&ch, sizeof(ngx_channel_t)); - - ch.command = NGX_CMD_OPEN_CHANNEL; - - ngxvcl_wait_kep_and_vep(); - for (i = 0; i < n; i++) { - - ngx_spawn_process(cycle, ngx_worker_process_cycle, - (void *) (intptr_t) i, "worker process", type); - - ch.pid = ngx_processes[ngx_process_slot].pid; - ch.slot = ngx_process_slot; - ch.fd = ngx_processes[ngx_process_slot].channel[0]; - - ngx_pass_open_channel(cycle, &ch); - } - ngx_sleep(3); - ngxvcl_wait_vep_only(); -} - - -static void -ngx_start_cache_manager_processes(ngx_cycle_t *cycle, ngx_uint_t respawn) -{ - ngx_uint_t i, manager, loader; - ngx_path_t **path; - ngx_channel_t ch; - - manager = 0; - loader = 0; - - path = ngx_cycle->paths.elts; - for (i = 0; i < ngx_cycle->paths.nelts; i++) { - - if (path[i]->manager) { - manager = 1; - } - - if (path[i]->loader) { - loader = 1; - } - } - - if (manager == 0) { - return; - } - - ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, - &ngx_cache_manager_ctx, "cache manager process", - respawn ? NGX_PROCESS_JUST_RESPAWN : NGX_PROCESS_RESPAWN); - - ngx_memzero(&ch, sizeof(ngx_channel_t)); - - ch.command = NGX_CMD_OPEN_CHANNEL; - ch.pid = ngx_processes[ngx_process_slot].pid; - ch.slot = ngx_process_slot; - ch.fd = ngx_processes[ngx_process_slot].channel[0]; - - ngx_pass_open_channel(cycle, &ch); - - if (loader == 0) { - return; - } - - ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, - &ngx_cache_loader_ctx, "cache loader process", - respawn ? NGX_PROCESS_JUST_SPAWN : NGX_PROCESS_NORESPAWN); - - ch.command = NGX_CMD_OPEN_CHANNEL; - ch.pid = ngx_processes[ngx_process_slot].pid; - ch.slot = ngx_process_slot; - ch.fd = ngx_processes[ngx_process_slot].channel[0]; - - ngx_pass_open_channel(cycle, &ch); -} - - -static void -ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch) -{ - ngx_int_t i; - - for (i = 0; i < ngx_last_process; i++) { - - if (i == ngx_process_slot - || ngx_processes[i].pid == -1 - || ngx_processes[i].channel[0] == -1) - { - continue; - } - - ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "pass channel s:%i pid:%P fd:%d to s:%i pid:%P fd:%d", - ch->slot, ch->pid, ch->fd, - i, ngx_processes[i].pid, - ngx_processes[i].channel[0]); - - /* TODO: NGX_AGAIN */ - - ngx_write_channel(ngx_processes[i].channel[0], - ch, sizeof(ngx_channel_t), cycle->log); - } -} - - -static void -ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo) -{ - ngx_int_t i; - ngx_err_t err; - ngx_channel_t ch; - - ngx_memzero(&ch, sizeof(ngx_channel_t)); - -#if (NGX_BROKEN_SCM_RIGHTS) - - ch.command = 0; - -#else - - switch (signo) { - - case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): - ch.command = NGX_CMD_QUIT; - break; - - case ngx_signal_value(NGX_TERMINATE_SIGNAL): - ch.command = NGX_CMD_TERMINATE; - break; - - case ngx_signal_value(NGX_REOPEN_SIGNAL): - ch.command = NGX_CMD_REOPEN; - break; - - default: - ch.command = 0; - } - -#endif - - ch.fd = -1; - - - for (i = 0; i < ngx_last_process; i++) { - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "child: %i %P e:%d t:%d d:%d r:%d j:%d", - i, - ngx_processes[i].pid, - ngx_processes[i].exiting, - ngx_processes[i].exited, - ngx_processes[i].detached, - ngx_processes[i].respawn, - ngx_processes[i].just_spawn); - - if (ngx_processes[i].detached || ngx_processes[i].pid == -1) { - continue; - } - - if (ngx_processes[i].just_spawn) { - ngx_processes[i].just_spawn = 0; - continue; - } - - if (ngx_processes[i].exiting - && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL)) - { - continue; - } - - if (ch.command) { - if (ngx_write_channel(ngx_processes[i].channel[0], - &ch, sizeof(ngx_channel_t), cycle->log) - == NGX_OK) - { - if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { - ngx_processes[i].exiting = 1; - } - - continue; - } - } - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "kill (%P, %d)", ngx_processes[i].pid, signo); - - if (kill(ngx_processes[i].pid, signo) == -1) { - err = ngx_errno; - ngx_log_error(NGX_LOG_ALERT, cycle->log, err, - "kill(%P, %d) failed", ngx_processes[i].pid, signo); - - if (err == NGX_ESRCH) { - ngx_processes[i].exited = 1; - ngx_processes[i].exiting = 0; - ngx_reap = 1; - } - - continue; - } - - if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { - ngx_processes[i].exiting = 1; - } - } -} - - -static ngx_uint_t -ngx_reap_children(ngx_cycle_t *cycle) -{ - ngx_int_t i, n; - ngx_uint_t live; - ngx_channel_t ch; - ngx_core_conf_t *ccf; - - ngx_memzero(&ch, sizeof(ngx_channel_t)); - - ch.command = NGX_CMD_CLOSE_CHANNEL; - ch.fd = -1; - - live = 0; - for (i = 0; i < ngx_last_process; i++) { - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, - "child: %i %P e:%d t:%d d:%d r:%d j:%d", - i, - ngx_processes[i].pid, - ngx_processes[i].exiting, - ngx_processes[i].exited, - ngx_processes[i].detached, - ngx_processes[i].respawn, - ngx_processes[i].just_spawn); - - if (ngx_processes[i].pid == -1) { - continue; - } - - if (ngx_processes[i].exited) { - - if (!ngx_processes[i].detached) { - ngx_close_channel(ngx_processes[i].channel, cycle->log); - - ngx_processes[i].channel[0] = -1; - ngx_processes[i].channel[1] = -1; - - ch.pid = ngx_processes[i].pid; - ch.slot = i; - - for (n = 0; n < ngx_last_process; n++) { - if (ngx_processes[n].exited - || ngx_processes[n].pid == -1 - || ngx_processes[n].channel[0] == -1) - { - continue; - } - - ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "pass close channel s:%i pid:%P to:%P", - ch.slot, ch.pid, ngx_processes[n].pid); - - /* TODO: NGX_AGAIN */ - - ngx_write_channel(ngx_processes[n].channel[0], - &ch, sizeof(ngx_channel_t), cycle->log); - } - } - - if (ngx_processes[i].respawn - && !ngx_processes[i].exiting - && !ngx_terminate - && !ngx_quit) - { - if (ngx_spawn_process(cycle, ngx_processes[i].proc, - ngx_processes[i].data, - ngx_processes[i].name, i) - == NGX_INVALID_PID) - { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "could not respawn %s", - ngx_processes[i].name); - continue; - } - - - ch.command = NGX_CMD_OPEN_CHANNEL; - ch.pid = ngx_processes[ngx_process_slot].pid; - ch.slot = ngx_process_slot; - ch.fd = ngx_processes[ngx_process_slot].channel[0]; - - ngx_pass_open_channel(cycle, &ch); - - live = 1; - - continue; - } - - if (ngx_processes[i].pid == ngx_new_binary) { - - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, - ngx_core_module); - - if (ngx_rename_file((char *) ccf->oldpid.data, - (char *) ccf->pid.data) - == NGX_FILE_ERROR) - { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - ngx_rename_file_n " %s back to %s failed " - "after the new binary process \"%s\" exited", - ccf->oldpid.data, ccf->pid.data, ngx_argv[0]); - } - - ngx_new_binary = 0; - if (ngx_noaccepting) { - ngx_restart = 1; - ngx_noaccepting = 0; - } - } - - if (i == ngx_last_process - 1) { - ngx_last_process--; - - } else { - ngx_processes[i].pid = -1; - } - - } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) { - live = 1; - } - } - - return live; -} - - -static void -ngx_master_process_exit(ngx_cycle_t *cycle) -{ - ngx_uint_t i; - - ngx_delete_pidfile(cycle); - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); - - for (i = 0; cycle->modules[i]; i++) { - if (cycle->modules[i]->exit_master) { - cycle->modules[i]->exit_master(cycle); - } - } - - ngx_close_listening_sockets(cycle); - - /* - * Copy ngx_cycle->log related data to the special static exit cycle, - * log, and log file structures enough to allow a signal handler to log. - * The handler may be called when standard ngx_cycle->log allocated from - * ngx_cycle->pool is already destroyed. - */ - - - ngx_exit_log = *ngx_log_get_file_log(ngx_cycle->log); - - ngx_exit_log_file.fd = ngx_exit_log.file->fd; - ngx_exit_log.file = &ngx_exit_log_file; - ngx_exit_log.next = NULL; - ngx_exit_log.writer = NULL; - - ngx_exit_cycle.log = &ngx_exit_log; - ngx_exit_cycle.files = ngx_cycle->files; - ngx_exit_cycle.files_n = ngx_cycle->files_n; - ngx_cycle = &ngx_exit_cycle; - - ngx_destroy_pool(cycle->pool); - - exit(0); -} - - -static void -ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data) -{ - ngx_int_t worker = (intptr_t) data; - - ngx_process = NGX_PROCESS_WORKER; - ngx_worker = worker; - - ngx_worker_process_init(cycle, worker); - - ngx_setproctitle("worker process"); - - for ( ;; ) { - - if (ngx_exiting) { - if (ngx_event_no_timers_left() == NGX_OK) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - ngx_worker_process_exit(cycle); - } - } - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); - - ngx_process_events_and_timers(cycle); - - if (ngx_terminate) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - ngx_worker_process_exit(cycle); - } - - if (ngx_quit) { - ngx_quit = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, - "gracefully shutting down"); - ngx_setproctitle("worker process is shutting down"); - - if (!ngx_exiting) { - ngx_exiting = 1; - ngx_set_shutdown_timer(cycle); - ngx_close_listening_sockets(cycle); - ngx_close_idle_connections(cycle); - } - } - - if (ngx_reopen) { - ngx_reopen = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); - ngx_reopen_files(cycle, -1); - } - } -} - - -static void -ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker) -{ - sigset_t set; - ngx_int_t n; - ngx_time_t *tp; - ngx_uint_t i; - ngx_cpuset_t *cpu_affinity; - struct rlimit rlmt; - ngx_core_conf_t *ccf; - ngx_listening_t *ls; - - if (ngx_set_environment(cycle, NULL) == NULL) { - /* fatal */ - exit(2); - } - - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); - - if (worker >= 0 && ccf->priority != 0) { - if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "setpriority(%d) failed", ccf->priority); - } - } - - if (ccf->rlimit_nofile != NGX_CONF_UNSET) { - rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile; - rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile; - - if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "setrlimit(RLIMIT_NOFILE, %i) failed", - ccf->rlimit_nofile); - } - } - - if (ccf->rlimit_core != NGX_CONF_UNSET) { - rlmt.rlim_cur = (rlim_t) ccf->rlimit_core; - rlmt.rlim_max = (rlim_t) ccf->rlimit_core; - - if (setrlimit(RLIMIT_CORE, &rlmt) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "setrlimit(RLIMIT_CORE, %O) failed", - ccf->rlimit_core); - } - } - - if (geteuid() == 0) { - if (setgid(ccf->group) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "setgid(%d) failed", ccf->group); - /* fatal */ - exit(2); - } - - if (initgroups(ccf->username, ccf->group) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "initgroups(%s, %d) failed", - ccf->username, ccf->group); - } - -#if (NGX_HAVE_PR_SET_KEEPCAPS && NGX_HAVE_CAPABILITIES) - if (ccf->transparent && ccf->user) { - if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "prctl(PR_SET_KEEPCAPS, 1) failed"); - /* fatal */ - exit(2); - } - } -#endif - - if (setuid(ccf->user) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "setuid(%d) failed", ccf->user); - /* fatal */ - exit(2); - } - -#if (NGX_HAVE_CAPABILITIES) - if (ccf->transparent && ccf->user) { - struct __user_cap_data_struct data; - struct __user_cap_header_struct header; - - ngx_memzero(&header, sizeof(struct __user_cap_header_struct)); - ngx_memzero(&data, sizeof(struct __user_cap_data_struct)); - - header.version = _LINUX_CAPABILITY_VERSION_1; - data.effective = CAP_TO_MASK(CAP_NET_RAW); - data.permitted = data.effective; - - if (syscall(SYS_capset, &header, &data) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "capset() failed"); - /* fatal */ - exit(2); - } - } -#endif - } - - if (worker >= 0) { - cpu_affinity = ngx_get_cpu_affinity(worker); - - if (cpu_affinity) { - ngx_setaffinity(cpu_affinity, cycle->log); - } - } - -#if (NGX_HAVE_PR_SET_DUMPABLE) - - /* allow coredump after setuid() in Linux 2.4.x */ - - if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "prctl(PR_SET_DUMPABLE) failed"); - } - -#endif - - if (ccf->working_directory.len) { - if (chdir((char *) ccf->working_directory.data) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "chdir(\"%s\") failed", ccf->working_directory.data); - /* fatal */ - exit(2); - } - } - - sigemptyset(&set); - - if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "sigprocmask() failed"); - } - - tp = ngx_timeofday(); - srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); - - /* - * disable deleting previous events for the listening sockets because - * in the worker processes there are no events at all at this point - */ - ls = cycle->listening.elts; - for (i = 0; i < cycle->listening.nelts; i++) { - ls[i].previous = NULL; - } - - for (i = 0; cycle->modules[i]; i++) { - if (cycle->modules[i]->init_process) { - if (cycle->modules[i]->init_process(cycle) == NGX_ERROR) { - /* fatal */ - exit(2); - } - } - } - - for (n = 0; n < ngx_last_process; n++) { - - if (ngx_processes[n].pid == -1) { - continue; - } - - if (n == ngx_process_slot) { - continue; - } - - if (ngx_processes[n].channel[1] == -1) { - continue; - } - - if (close(ngx_processes[n].channel[1]) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "close() channel failed"); - } - } - - if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "close() channel failed"); - } - -#if 0 - ngx_last_process = 0; -#endif - - if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT, - ngx_channel_handler) - == NGX_ERROR) - { - /* fatal */ - exit(2); - } -} - - -static void -ngx_worker_process_exit(ngx_cycle_t *cycle) -{ - ngx_uint_t i; - ngx_connection_t *c; - - for (i = 0; cycle->modules[i]; i++) { - if (cycle->modules[i]->exit_process) { - cycle->modules[i]->exit_process(cycle); - } - } - - if (ngx_exiting) { - c = cycle->connections; - for (i = 0; i < cycle->connection_n; i++) { - if (c[i].fd != -1 - && c[i].read - && !c[i].read->accept - && !c[i].read->channel - && !c[i].read->resolver) - { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "*%uA open socket #%d left in connection %ui", - c[i].number, c[i].fd, i); - ngx_debug_quit = 1; - } - } - - if (ngx_debug_quit) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "aborting"); - ngx_debug_point(); - } - } - - /* - * Copy ngx_cycle->log related data to the special static exit cycle, - * log, and log file structures enough to allow a signal handler to log. - * The handler may be called when standard ngx_cycle->log allocated from - * ngx_cycle->pool is already destroyed. - */ - - ngx_exit_log = *ngx_log_get_file_log(ngx_cycle->log); - - ngx_exit_log_file.fd = ngx_exit_log.file->fd; - ngx_exit_log.file = &ngx_exit_log_file; - ngx_exit_log.next = NULL; - ngx_exit_log.writer = NULL; - - ngx_exit_cycle.log = &ngx_exit_log; - ngx_exit_cycle.files = ngx_cycle->files; - ngx_exit_cycle.files_n = ngx_cycle->files_n; - ngx_cycle = &ngx_exit_cycle; - - ngx_destroy_pool(cycle->pool); - - ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, "exit"); - - exit(0); -} - - -static void -ngx_channel_handler(ngx_event_t *ev) -{ - ngx_int_t n; - ngx_channel_t ch; - ngx_connection_t *c; - - if (ev->timedout) { - ev->timedout = 0; - return; - } - - c = ev->data; - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler"); - - for ( ;; ) { - - n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n); - - if (n == NGX_ERROR) { - - if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { - ngx_del_conn(c, 0); - } - - ngx_close_connection(c); - return; - } - - if (ngx_event_flags & NGX_USE_EVENTPORT_EVENT) { - if (ngx_add_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { - return; - } - } - - if (n == NGX_AGAIN) { - return; - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, - "channel command: %ui", ch.command); - - switch (ch.command) { - - case NGX_CMD_QUIT: - ngx_quit = 1; - break; - - case NGX_CMD_TERMINATE: - ngx_terminate = 1; - break; - - case NGX_CMD_REOPEN: - ngx_reopen = 1; - break; - - case NGX_CMD_OPEN_CHANNEL: - - ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0, - "get channel s:%i pid:%P fd:%d", - ch.slot, ch.pid, ch.fd); - - ngx_processes[ch.slot].pid = ch.pid; - ngx_processes[ch.slot].channel[0] = ch.fd; - break; - - case NGX_CMD_CLOSE_CHANNEL: - - ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0, - "close channel s:%i pid:%P our:%P fd:%d", - ch.slot, ch.pid, ngx_processes[ch.slot].pid, - ngx_processes[ch.slot].channel[0]); - - if (close(ngx_processes[ch.slot].channel[0]) == -1) { - ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, - "close() channel failed"); - } - - ngx_processes[ch.slot].channel[0] = -1; - break; - } - } -} - - -static void -ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data) -{ - ngx_cache_manager_ctx_t *ctx = data; - - void *ident[4]; - ngx_event_t ev; - - /* - * Set correct process type since closing listening Unix domain socket - * in a master process also removes the Unix domain socket file. - */ - ngx_process = NGX_PROCESS_HELPER; - - ngx_close_listening_sockets(cycle); - - /* Set a moderate number of connections for a helper process. */ - cycle->connection_n = 512; - - ngx_worker_process_init(cycle, -1); - - ngx_memzero(&ev, sizeof(ngx_event_t)); - ev.handler = ctx->handler; - ev.data = ident; - ev.log = cycle->log; - ident[3] = (void *) -1; - - ngx_use_accept_mutex = 0; - - ngx_setproctitle(ctx->name); - - ngx_add_timer(&ev, ctx->delay); - - for ( ;; ) { - - if (ngx_terminate || ngx_quit) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - exit(0); - } - - if (ngx_reopen) { - ngx_reopen = 0; - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); - ngx_reopen_files(cycle, -1); - } - - ngx_process_events_and_timers(cycle); - } -} - - -static void -ngx_cache_manager_process_handler(ngx_event_t *ev) -{ - ngx_uint_t i; - ngx_msec_t next, n; - ngx_path_t **path; - - next = 60 * 60 * 1000; - - path = ngx_cycle->paths.elts; - for (i = 0; i < ngx_cycle->paths.nelts; i++) { - - if (path[i]->manager) { - n = path[i]->manager(path[i]->data); - - next = (n <= next) ? n : next; - - ngx_time_update(); - } - } - - if (next == 0) { - next = 1; - } - - ngx_add_timer(ev, next); -} - - -static void -ngx_cache_loader_process_handler(ngx_event_t *ev) -{ - ngx_uint_t i; - ngx_path_t **path; - ngx_cycle_t *cycle; - - cycle = (ngx_cycle_t *) ngx_cycle; - - path = cycle->paths.elts; - for (i = 0; i < cycle->paths.nelts; i++) { - - if (ngx_terminate || ngx_quit) { - break; - } - - if (path[i]->loader) { - path[i]->loader(path[i]->data); - ngx_time_update(); - } - } - - exit(0); -} diff --git a/nginx/src/os/unix/ngx_process_cycle.h b/nginx/src/os/unix/ngx_process_cycle.h deleted file mode 100644 index 69495d5..0000000 --- a/nginx/src/os/unix/ngx_process_cycle.h +++ /dev/null @@ -1,61 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_PROCESS_CYCLE_H_INCLUDED_ -#define _NGX_PROCESS_CYCLE_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#define NGX_CMD_OPEN_CHANNEL 1 -#define NGX_CMD_CLOSE_CHANNEL 2 -#define NGX_CMD_QUIT 3 -#define NGX_CMD_TERMINATE 4 -#define NGX_CMD_REOPEN 5 - - -#define NGX_PROCESS_SINGLE 0 -#define NGX_PROCESS_MASTER 1 -#define NGX_PROCESS_SIGNALLER 2 -#define NGX_PROCESS_WORKER 3 -#define NGX_PROCESS_HELPER 4 - - -typedef struct { - ngx_event_handler_pt handler; - char *name; - ngx_msec_t delay; -} ngx_cache_manager_ctx_t; - - -void ngx_master_process_cycle(ngx_cycle_t *cycle); -void ngx_single_process_cycle(ngx_cycle_t *cycle); - - -extern ngx_uint_t ngx_process; -extern ngx_uint_t ngx_worker; -extern ngx_pid_t ngx_pid; -extern ngx_pid_t ngx_new_binary; -extern ngx_uint_t ngx_inherited; -extern ngx_uint_t ngx_daemonized; -extern ngx_uint_t ngx_exiting; - -extern sig_atomic_t ngx_reap; -extern sig_atomic_t ngx_sigio; -extern sig_atomic_t ngx_sigalrm; -extern sig_atomic_t ngx_quit; -extern sig_atomic_t ngx_debug_quit; -extern sig_atomic_t ngx_terminate; -extern sig_atomic_t ngx_noaccept; -extern sig_atomic_t ngx_reconfigure; -extern sig_atomic_t ngx_reopen; -extern sig_atomic_t ngx_change_binary; - - -#endif /* _NGX_PROCESS_CYCLE_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_readv_chain.c b/nginx/src/os/unix/ngx_readv_chain.c deleted file mode 100644 index 098b524..0000000 --- a/nginx/src/os/unix/ngx_readv_chain.c +++ /dev/null @@ -1,214 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ssize_t -ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *chain, off_t limit) -{ - u_char *prev; - ssize_t n, size; - ngx_err_t err; - ngx_array_t vec; - ngx_event_t *rev; - struct iovec *iov, iovs[NGX_IOVS_PREALLOCATE]; - - rev = c->read; - -#if (NGX_HAVE_KQUEUE) - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "readv: eof:%d, avail:%d, err:%d", - rev->pending_eof, rev->available, rev->kq_errno); - - if (rev->available == 0) { - if (rev->pending_eof) { - rev->ready = 0; - rev->eof = 1; - - ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno, - "kevent() reported about an closed connection"); - - if (rev->kq_errno) { - rev->error = 1; - ngx_set_socket_errno(rev->kq_errno); - return NGX_ERROR; - } - - return 0; - - } else { - return NGX_AGAIN; - } - } - } - -#endif - -#if (NGX_HAVE_EPOLLRDHUP) - - if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "readv: eof:%d, avail:%d", - rev->pending_eof, rev->available); - - if (!rev->available && !rev->pending_eof) { - return NGX_AGAIN; - } - } - -#endif - - prev = NULL; - iov = NULL; - size = 0; - - vec.elts = iovs; - vec.nelts = 0; - vec.size = sizeof(struct iovec); - vec.nalloc = NGX_IOVS_PREALLOCATE; - vec.pool = c->pool; - - /* coalesce the neighbouring bufs */ - - while (chain) { - n = chain->buf->end - chain->buf->last; - - if (limit) { - if (size >= limit) { - break; - } - - if (size + n > limit) { - n = (ssize_t) (limit - size); - } - } - - if (prev == chain->buf->last) { - iov->iov_len += n; - - } else { - if (vec.nelts >= IOV_MAX) { - break; - } - - iov = ngx_array_push(&vec); - if (iov == NULL) { - return NGX_ERROR; - } - - iov->iov_base = (void *) chain->buf->last; - iov->iov_len = n; - } - - size += n; - prev = chain->buf->end; - chain = chain->next; - } - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "readv: %ui, last:%uz", vec.nelts, iov->iov_len); - - do { - n = ngxvcl_readv(c->fd, (struct iovec *) vec.elts, vec.nelts); - - if (n == 0) { - rev->ready = 0; - rev->eof = 1; - -#if (NGX_HAVE_KQUEUE) - - /* - * on FreeBSD readv() may return 0 on closed socket - * even if kqueue reported about available data - */ - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - rev->available = 0; - } - -#endif - - return 0; - } - - if (n > 0) { - -#if (NGX_HAVE_KQUEUE) - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - rev->available -= n; - - /* - * rev->available may be negative here because some additional - * bytes may be received between kevent() and readv() - */ - - if (rev->available <= 0) { - if (!rev->pending_eof) { - rev->ready = 0; - } - - rev->available = 0; - } - - return n; - } - -#endif - -#if (NGX_HAVE_EPOLLRDHUP) - - if ((ngx_event_flags & NGX_USE_EPOLL_EVENT) - && ngx_use_epoll_rdhup) - { - if (n < size) { - if (!rev->pending_eof) { - rev->ready = 0; - } - - rev->available = 0; - } - - return n; - } - -#endif - - if (n < size && !(ngx_event_flags & NGX_USE_GREEDY_EVENT)) { - rev->ready = 0; - } - - return n; - } - - err = ngx_socket_errno; - - if (err == NGX_EAGAIN || err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "readv() not ready"); - n = NGX_AGAIN; - - } else { - n = ngx_connection_error(c, err, "readv() failed"); - break; - } - - } while (err == NGX_EINTR); - - rev->ready = 0; - - if (n == NGX_ERROR) { - c->read->error = 1; - } - - return n; -} diff --git a/nginx/src/os/unix/ngx_recv.c b/nginx/src/os/unix/ngx_recv.c deleted file mode 100644 index 9aaa809..0000000 --- a/nginx/src/os/unix/ngx_recv.c +++ /dev/null @@ -1,167 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ssize_t -ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) -{ - ssize_t n; - ngx_err_t err; - ngx_event_t *rev; - - rev = c->read; - -#if (NGX_HAVE_KQUEUE) - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "recv: eof:%d, avail:%d, err:%d", - rev->pending_eof, rev->available, rev->kq_errno); - - if (rev->available == 0) { - if (rev->pending_eof) { - rev->ready = 0; - rev->eof = 1; - - if (rev->kq_errno) { - rev->error = 1; - ngx_set_socket_errno(rev->kq_errno); - - return ngx_connection_error(c, rev->kq_errno, - "kevent() reported about an closed connection"); - } - - return 0; - - } else { - rev->ready = 0; - return NGX_AGAIN; - } - } - } - -#endif - -#if (NGX_HAVE_EPOLLRDHUP) - - if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "recv: eof:%d, avail:%d", - rev->pending_eof, rev->available); - - if (!rev->available && !rev->pending_eof) { - rev->ready = 0; - return NGX_AGAIN; - } - } - -#endif - - do { - n = ngxvcl_recv(c->fd, buf, size, 0); - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "recv: fd:%d %z of %uz", c->fd, n, size); - - if (n == 0) { - rev->ready = 0; - rev->eof = 1; - -#if (NGX_HAVE_KQUEUE) - - /* - * on FreeBSD recv() may return 0 on closed socket - * even if kqueue reported about available data - */ - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - rev->available = 0; - } - -#endif - - return 0; - } - - if (n > 0) { - -#if (NGX_HAVE_KQUEUE) - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - rev->available -= n; - - /* - * rev->available may be negative here because some additional - * bytes may be received between kevent() and recv() - */ - - if (rev->available <= 0) { - if (!rev->pending_eof) { - rev->ready = 0; - } - - rev->available = 0; - } - - return n; - } - -#endif - -#if (NGX_HAVE_EPOLLRDHUP) - - if ((ngx_event_flags & NGX_USE_EPOLL_EVENT) - && ngx_use_epoll_rdhup) - { - if ((size_t) n < size) { - if (!rev->pending_eof) { - rev->ready = 0; - } - - rev->available = 0; - } - - return n; - } - -#endif - - if ((size_t) n < size - && !(ngx_event_flags & NGX_USE_GREEDY_EVENT)) - { - rev->ready = 0; - } - - return n; - } - - err = ngx_socket_errno; - - if (err == NGX_EAGAIN || err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "recv() not ready"); - n = NGX_AGAIN; - - } else { - n = ngx_connection_error(c, err, "recv() failed"); - break; - } - - } while (err == NGX_EINTR); - - rev->ready = 0; - - if (n == NGX_ERROR) { - rev->error = 1; - } - - return n; -} diff --git a/nginx/src/os/unix/ngx_send.c b/nginx/src/os/unix/ngx_send.c deleted file mode 100644 index 5b91df6..0000000 --- a/nginx/src/os/unix/ngx_send.c +++ /dev/null @@ -1,73 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ssize_t -ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size) -{ - ssize_t n; - ngx_err_t err; - ngx_event_t *wev; - - wev = c->write; - -#if (NGX_HAVE_KQUEUE) - - if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { - (void) ngx_connection_error(c, wev->kq_errno, - "kevent() reported about an closed connection"); - wev->error = 1; - return NGX_ERROR; - } - -#endif - - for ( ;; ) { - n = ngxvcl_send(c->fd, buf, size, 0); - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "send: fd:%d %z of %uz", c->fd, n, size); - - if (n > 0) { - if (n < (ssize_t) size) { - wev->ready = 0; - } - - c->sent += n; - - return n; - } - - err = ngx_socket_errno; - - if (n == 0) { - ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero"); - wev->ready = 0; - return n; - } - - if (err == NGX_EAGAIN || err == NGX_EINTR) { - wev->ready = 0; - - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "send() not ready"); - - if (err == NGX_EAGAIN) { - return NGX_AGAIN; - } - - } else { - wev->error = 1; - (void) ngx_connection_error(c, err, "send() failed"); - return NGX_ERROR; - } - } -} diff --git a/nginx/src/os/unix/ngx_setaffinity.c b/nginx/src/os/unix/ngx_setaffinity.c deleted file mode 100644 index 34ec390..0000000 --- a/nginx/src/os/unix/ngx_setaffinity.c +++ /dev/null @@ -1,53 +0,0 @@ - -/* - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_HAVE_CPUSET_SETAFFINITY) - -void -ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) -{ - ngx_uint_t i; - - for (i = 0; i < CPU_SETSIZE; i++) { - if (CPU_ISSET(i, cpu_affinity)) { - ngx_log_error(NGX_LOG_NOTICE, log, 0, - "cpuset_setaffinity(): using cpu #%ui", i); - } - } - - if (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, - sizeof(cpuset_t), cpu_affinity) == -1) - { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "cpuset_setaffinity() failed"); - } -} - -#elif (NGX_HAVE_SCHED_SETAFFINITY) - -void -ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) -{ - ngx_uint_t i; - - for (i = 0; i < CPU_SETSIZE; i++) { - if (CPU_ISSET(i, cpu_affinity)) { - ngx_log_error(NGX_LOG_NOTICE, log, 0, - "sched_setaffinity(): using cpu #%ui", i); - } - } - - if (sched_setaffinity(0, sizeof(cpu_set_t), cpu_affinity) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sched_setaffinity() failed"); - } -} - -#endif diff --git a/nginx/src/os/unix/ngx_setaffinity.h b/nginx/src/os/unix/ngx_setaffinity.h deleted file mode 100644 index a4139ed..0000000 --- a/nginx/src/os/unix/ngx_setaffinity.h +++ /dev/null @@ -1,37 +0,0 @@ - -/* - * Copyright (C) Nginx, Inc. - */ - -#ifndef _NGX_SETAFFINITY_H_INCLUDED_ -#define _NGX_SETAFFINITY_H_INCLUDED_ - - -#if (NGX_HAVE_SCHED_SETAFFINITY || NGX_HAVE_CPUSET_SETAFFINITY) - -#define NGX_HAVE_CPU_AFFINITY 1 - -#if (NGX_HAVE_SCHED_SETAFFINITY) - -typedef cpu_set_t ngx_cpuset_t; - -#elif (NGX_HAVE_CPUSET_SETAFFINITY) - -#include <sys/cpuset.h> - -typedef cpuset_t ngx_cpuset_t; - -#endif - -void ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log); - -#else - -#define ngx_setaffinity(cpu_affinity, log) - -typedef uint64_t ngx_cpuset_t; - -#endif - - -#endif /* _NGX_SETAFFINITY_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_setproctitle.c b/nginx/src/os/unix/ngx_setproctitle.c deleted file mode 100644 index 91afa51..0000000 --- a/nginx/src/os/unix/ngx_setproctitle.c +++ /dev/null @@ -1,135 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_SETPROCTITLE_USES_ENV) - -/* - * To change the process title in Linux and Solaris we have to set argv[1] - * to NULL and to copy the title to the same place where the argv[0] points to. - * However, argv[0] may be too small to hold a new title. Fortunately, Linux - * and Solaris store argv[] and environ[] one after another. So we should - * ensure that is the continuous memory and then we allocate the new memory - * for environ[] and copy it. After this we could use the memory starting - * from argv[0] for our process title. - * - * The Solaris's standard /bin/ps does not show the changed process title. - * You have to use "/usr/ucb/ps -w" instead. Besides, the UCB ps does not - * show a new title if its length less than the origin command line length. - * To avoid it we append to a new title the origin command line in the - * parenthesis. - */ - -extern char **environ; - -static char *ngx_os_argv_last; - -ngx_int_t -ngx_init_setproctitle(ngx_log_t *log) -{ - u_char *p; - size_t size; - ngx_uint_t i; - - size = 0; - - for (i = 0; environ[i]; i++) { - size += ngx_strlen(environ[i]) + 1; - } - - p = ngx_alloc(size, log); - if (p == NULL) { - return NGX_ERROR; - } - - ngx_os_argv_last = ngx_os_argv[0]; - - for (i = 0; ngx_os_argv[i]; i++) { - if (ngx_os_argv_last == ngx_os_argv[i]) { - ngx_os_argv_last = ngx_os_argv[i] + ngx_strlen(ngx_os_argv[i]) + 1; - } - } - - for (i = 0; environ[i]; i++) { - if (ngx_os_argv_last == environ[i]) { - - size = ngx_strlen(environ[i]) + 1; - ngx_os_argv_last = environ[i] + size; - - ngx_cpystrn(p, (u_char *) environ[i], size); - environ[i] = (char *) p; - p += size; - } - } - - ngx_os_argv_last--; - - return NGX_OK; -} - - -void -ngx_setproctitle(char *title) -{ - u_char *p; - -#if (NGX_SOLARIS) - - ngx_int_t i; - size_t size; - -#endif - - ngx_os_argv[1] = NULL; - - p = ngx_cpystrn((u_char *) ngx_os_argv[0], (u_char *) "nginx: ", - ngx_os_argv_last - ngx_os_argv[0]); - - p = ngx_cpystrn(p, (u_char *) title, ngx_os_argv_last - (char *) p); - -#if (NGX_SOLARIS) - - size = 0; - - for (i = 0; i < ngx_argc; i++) { - size += ngx_strlen(ngx_argv[i]) + 1; - } - - if (size > (size_t) ((char *) p - ngx_os_argv[0])) { - - /* - * ngx_setproctitle() is too rare operation so we use - * the non-optimized copies - */ - - p = ngx_cpystrn(p, (u_char *) " (", ngx_os_argv_last - (char *) p); - - for (i = 0; i < ngx_argc; i++) { - p = ngx_cpystrn(p, (u_char *) ngx_argv[i], - ngx_os_argv_last - (char *) p); - p = ngx_cpystrn(p, (u_char *) " ", ngx_os_argv_last - (char *) p); - } - - if (*(p - 1) == ' ') { - *(p - 1) = ')'; - } - } - -#endif - - if (ngx_os_argv_last - (char *) p) { - ngx_memset(p, NGX_SETPROCTITLE_PAD, ngx_os_argv_last - (char *) p); - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, - "setproctitle: \"%s\"", ngx_os_argv[0]); -} - -#endif /* NGX_SETPROCTITLE_USES_ENV */ diff --git a/nginx/src/os/unix/ngx_setproctitle.h b/nginx/src/os/unix/ngx_setproctitle.h deleted file mode 100644 index c363662..0000000 --- a/nginx/src/os/unix/ngx_setproctitle.h +++ /dev/null @@ -1,52 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_SETPROCTITLE_H_INCLUDED_ -#define _NGX_SETPROCTITLE_H_INCLUDED_ - - -#if (NGX_HAVE_SETPROCTITLE) - -/* FreeBSD, NetBSD, OpenBSD */ - -#define ngx_init_setproctitle(log) NGX_OK -#define ngx_setproctitle(title) setproctitle("%s", title) - - -#else /* !NGX_HAVE_SETPROCTITLE */ - -#if !defined NGX_SETPROCTITLE_USES_ENV - -#if (NGX_SOLARIS) - -#define NGX_SETPROCTITLE_USES_ENV 1 -#define NGX_SETPROCTITLE_PAD ' ' - -ngx_int_t ngx_init_setproctitle(ngx_log_t *log); -void ngx_setproctitle(char *title); - -#elif (NGX_LINUX) || (NGX_DARWIN) - -#define NGX_SETPROCTITLE_USES_ENV 1 -#define NGX_SETPROCTITLE_PAD '\0' - -ngx_int_t ngx_init_setproctitle(ngx_log_t *log); -void ngx_setproctitle(char *title); - -#else - -#define ngx_init_setproctitle(log) NGX_OK -#define ngx_setproctitle(title) - -#endif /* OSes */ - -#endif /* NGX_SETPROCTITLE_USES_ENV */ - -#endif /* NGX_HAVE_SETPROCTITLE */ - - -#endif /* _NGX_SETPROCTITLE_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_shmem.c b/nginx/src/os/unix/ngx_shmem.c deleted file mode 100644 index 3ec7cbf..0000000 --- a/nginx/src/os/unix/ngx_shmem.c +++ /dev/null @@ -1,126 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_HAVE_MAP_ANON) - -ngx_int_t -ngx_shm_alloc(ngx_shm_t *shm) -{ - shm->addr = (u_char *) mmap(NULL, shm->size, - PROT_READ|PROT_WRITE, - MAP_ANON|MAP_SHARED, -1, 0); - - if (shm->addr == MAP_FAILED) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "mmap(MAP_ANON|MAP_SHARED, %uz) failed", shm->size); - return NGX_ERROR; - } - - return NGX_OK; -} - - -void -ngx_shm_free(ngx_shm_t *shm) -{ - if (munmap((void *) shm->addr, shm->size) == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "munmap(%p, %uz) failed", shm->addr, shm->size); - } -} - -#elif (NGX_HAVE_MAP_DEVZERO) - -ngx_int_t -ngx_shm_alloc(ngx_shm_t *shm) -{ - ngx_fd_t fd; - - fd = open("/dev/zero", O_RDWR); - - if (fd == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "open(\"/dev/zero\") failed"); - return NGX_ERROR; - } - - shm->addr = (u_char *) mmap(NULL, shm->size, PROT_READ|PROT_WRITE, - MAP_SHARED, fd, 0); - - if (shm->addr == MAP_FAILED) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "mmap(/dev/zero, MAP_SHARED, %uz) failed", shm->size); - } - - if (close(fd) == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "close(\"/dev/zero\") failed"); - } - - return (shm->addr == MAP_FAILED) ? NGX_ERROR : NGX_OK; -} - - -void -ngx_shm_free(ngx_shm_t *shm) -{ - if (munmap((void *) shm->addr, shm->size) == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "munmap(%p, %uz) failed", shm->addr, shm->size); - } -} - -#elif (NGX_HAVE_SYSVSHM) - -#include <sys/ipc.h> -#include <sys/shm.h> - - -ngx_int_t -ngx_shm_alloc(ngx_shm_t *shm) -{ - int id; - - id = shmget(IPC_PRIVATE, shm->size, (SHM_R|SHM_W|IPC_CREAT)); - - if (id == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "shmget(%uz) failed", shm->size); - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, shm->log, 0, "shmget id: %d", id); - - shm->addr = shmat(id, NULL, 0); - - if (shm->addr == (void *) -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, "shmat() failed"); - } - - if (shmctl(id, IPC_RMID, NULL) == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "shmctl(IPC_RMID) failed"); - } - - return (shm->addr == (void *) -1) ? NGX_ERROR : NGX_OK; -} - - -void -ngx_shm_free(ngx_shm_t *shm) -{ - if (shmdt(shm->addr) == -1) { - ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno, - "shmdt(%p) failed", shm->addr); - } -} - -#endif diff --git a/nginx/src/os/unix/ngx_shmem.h b/nginx/src/os/unix/ngx_shmem.h deleted file mode 100644 index 566a7d3..0000000 --- a/nginx/src/os/unix/ngx_shmem.h +++ /dev/null @@ -1,29 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_SHMEM_H_INCLUDED_ -#define _NGX_SHMEM_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -typedef struct { - u_char *addr; - size_t size; - ngx_str_t name; - ngx_log_t *log; - ngx_uint_t exists; /* unsigned exists:1; */ -} ngx_shm_t; - - -ngx_int_t ngx_shm_alloc(ngx_shm_t *shm); -void ngx_shm_free(ngx_shm_t *shm); - - -#endif /* _NGX_SHMEM_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_socket.c b/nginx/src/os/unix/ngx_socket.c deleted file mode 100644 index b3d5fe6..0000000 --- a/nginx/src/os/unix/ngx_socket.c +++ /dev/null @@ -1,116 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -/* - * ioctl(FIONBIO) sets a non-blocking mode with the single syscall - * while fcntl(F_SETFL, O_NONBLOCK) needs to learn the current state - * using fcntl(F_GETFL). - * - * ioctl() and fcntl() are syscalls at least in FreeBSD 2.x, Linux 2.2 - * and Solaris 7. - * - * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too. - */ - - -#if (NGX_HAVE_FIONBIO) - -int -ngx_nonblocking(ngx_socket_t s) -{ - int nb; - - nb = 1; - - return ngxvcl_kvfd_ioctl(s, FIONBIO, &nb); -} - - -int -ngx_blocking(ngx_socket_t s) -{ - int nb; - - nb = 0; - - return ngxvcl_kvfd_ioctl(s, FIONBIO, &nb); -} - -#endif - - -#if (NGX_FREEBSD) - -int -ngx_tcp_nopush(ngx_socket_t s) -{ - int tcp_nopush; - - tcp_nopush = 1; - - return ngxvcl_kvfd_setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, - (const void *) &tcp_nopush, sizeof(int)); -} - - -int -ngx_tcp_push(ngx_socket_t s) -{ - int tcp_nopush; - - tcp_nopush = 0; - - return ngxvcl_kvfd_setsockopt(s, IPPROTO_TCP, TCP_NOPUSH, - (const void *) &tcp_nopush, sizeof(int)); -} - -#elif (NGX_LINUX) - - -int -ngx_tcp_nopush(ngx_socket_t s) -{ - int cork; - - cork = 1; - - return ngxvcl_kvfd_setsockopt(s, IPPROTO_TCP, TCP_CORK, - (const void *) &cork, sizeof(int)); -} - - -int -ngx_tcp_push(ngx_socket_t s) -{ - int cork; - - cork = 0; - - return ngxvcl_kvfd_setsockopt(s, IPPROTO_TCP, TCP_CORK, - (const void *) &cork, sizeof(int)); -} - -#else - -int -ngx_tcp_nopush(ngx_socket_t s) -{ - return 0; -} - - -int -ngx_tcp_push(ngx_socket_t s) -{ - return 0; -} - -#endif diff --git a/nginx/src/os/unix/ngx_socket.h b/nginx/src/os/unix/ngx_socket.h deleted file mode 100644 index bcdde38..0000000 --- a/nginx/src/os/unix/ngx_socket.h +++ /dev/null @@ -1,64 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_SOCKET_H_INCLUDED_ -#define _NGX_SOCKET_H_INCLUDED_ - - -#include <ngx_config.h> - - -#define NGX_WRITE_SHUTDOWN SHUT_WR - -typedef int ngx_socket_t; - -#define ngx_socket ngxvcl_socket -#define ngx_socket_n "socket()" - - -#if (NGX_HAVE_FIONBIO) - -int ngx_nonblocking(ngx_socket_t s); -int ngx_blocking(ngx_socket_t s); - -#define ngx_nonblocking_n "ioctl(FIONBIO)" -#define ngx_blocking_n "ioctl(!FIONBIO)" - -#else - -#define ngx_nonblocking(s) ngxvcl_kvfd_fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK) -#define ngx_nonblocking_n "fcntl(O_NONBLOCK)" - -#define ngx_blocking(s) ngxvcl_kvfd_fcntl(s, F_SETFL, fcntl(s, F_GETFL) & ~O_NONBLOCK) -#define ngx_blocking_n "fcntl(!O_NONBLOCK)" - -#endif - -int ngx_tcp_nopush(ngx_socket_t s); -int ngx_tcp_push(ngx_socket_t s); - -#if (NGX_LINUX) - -#define ngx_tcp_nopush_n "setsockopt(TCP_CORK)" -#define ngx_tcp_push_n "setsockopt(!TCP_CORK)" - -#else - -#define ngx_tcp_nopush_n "setsockopt(TCP_NOPUSH)" -#define ngx_tcp_push_n "setsockopt(!TCP_NOPUSH)" - -#endif - - -#define ngx_shutdown_socket ngxvcl_shutdown -#define ngx_shutdown_socket_n "shutdown()" - -#define ngx_close_socket ngxvcl_close -#define ngx_close_socket_n "close() socket" - - -#endif /* _NGX_SOCKET_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_solaris.h b/nginx/src/os/unix/ngx_solaris.h deleted file mode 100644 index 7b167d8..0000000 --- a/nginx/src/os/unix/ngx_solaris.h +++ /dev/null @@ -1,16 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_SOLARIS_H_INCLUDED_ -#define _NGX_SOLARIS_H_INCLUDED_ - - -ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - - -#endif /* _NGX_SOLARIS_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_solaris_config.h b/nginx/src/os/unix/ngx_solaris_config.h deleted file mode 100644 index ffa01c8..0000000 --- a/nginx/src/os/unix/ngx_solaris_config.h +++ /dev/null @@ -1,112 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_SOLARIS_CONFIG_H_INCLUDED_ -#define _NGX_SOLARIS_CONFIG_H_INCLUDED_ - - -#ifndef _REENTRANT -#define _REENTRANT -#endif - -#define _FILE_OFFSET_BITS 64 /* must be before <sys/types.h> */ - -#include <sys/types.h> -#include <sys/time.h> -#include <unistd.h> -#include <stdarg.h> -#include <stddef.h> /* offsetof() */ -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <dirent.h> -#include <glob.h> -#include <time.h> -#include <sys/statvfs.h> /* statvfs() */ - -#include <sys/filio.h> /* FIONBIO */ -#include <sys/uio.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include <sys/wait.h> -#include <sys/mman.h> -#include <sys/resource.h> -#include <sched.h> - -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> /* TCP_NODELAY */ -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/un.h> - -#include <sys/systeminfo.h> -#include <limits.h> /* IOV_MAX */ -#include <inttypes.h> -#include <crypt.h> - -#include <dlfcn.h> - -#define NGX_ALIGNMENT _MAX_ALIGNMENT - -#include <ngx_auto_config.h> - - -#if (NGX_HAVE_POSIX_SEM) -#include <semaphore.h> -#endif - - -#if (NGX_HAVE_POLL) -#include <poll.h> -#endif - - -#if (NGX_HAVE_DEVPOLL) -#include <sys/ioctl.h> -#include <sys/devpoll.h> -#endif - - -#if (NGX_HAVE_EVENTPORT) -#include <port.h> -#endif - - -#if (NGX_HAVE_SENDFILE) -#include <sys/sendfile.h> -#endif - - -#define NGX_LISTEN_BACKLOG 511 - - -#ifndef NGX_HAVE_INHERITED_NONBLOCK -#define NGX_HAVE_INHERITED_NONBLOCK 1 -#endif - - -#ifndef NGX_HAVE_SO_SNDLOWAT -/* setsockopt(SO_SNDLOWAT) returns ENOPROTOOPT */ -#define NGX_HAVE_SO_SNDLOWAT 0 -#endif - - -#define NGX_HAVE_OS_SPECIFIC_INIT 1 -#define ngx_debug_init() - - -extern char **environ; - - -#endif /* _NGX_SOLARIS_CONFIG_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_solaris_init.c b/nginx/src/os/unix/ngx_solaris_init.c deleted file mode 100644 index 65d7875..0000000 --- a/nginx/src/os/unix/ngx_solaris_init.c +++ /dev/null @@ -1,77 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -char ngx_solaris_sysname[20]; -char ngx_solaris_release[10]; -char ngx_solaris_version[50]; - - -static ngx_os_io_t ngx_solaris_io = { - ngx_unix_recv, - ngx_readv_chain, - ngx_udp_unix_recv, - ngx_unix_send, - ngx_udp_unix_send, - ngx_udp_unix_sendmsg_chain, -#if (NGX_HAVE_SENDFILE) - ngx_solaris_sendfilev_chain, - NGX_IO_SENDFILE -#else - ngx_writev_chain, - 0 -#endif -}; - - -ngx_int_t -ngx_os_specific_init(ngx_log_t *log) -{ - if (sysinfo(SI_SYSNAME, ngx_solaris_sysname, sizeof(ngx_solaris_sysname)) - == -1) - { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysinfo(SI_SYSNAME) failed"); - return NGX_ERROR; - } - - if (sysinfo(SI_RELEASE, ngx_solaris_release, sizeof(ngx_solaris_release)) - == -1) - { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysinfo(SI_RELEASE) failed"); - return NGX_ERROR; - } - - if (sysinfo(SI_VERSION, ngx_solaris_version, sizeof(ngx_solaris_version)) - == -1) - { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "sysinfo(SI_SYSNAME) failed"); - return NGX_ERROR; - } - - - ngx_os_io = ngx_solaris_io; - - return NGX_OK; -} - - -void -ngx_os_specific_status(ngx_log_t *log) -{ - - ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", - ngx_solaris_sysname, ngx_solaris_release); - - ngx_log_error(NGX_LOG_NOTICE, log, 0, "version: %s", - ngx_solaris_version); -} diff --git a/nginx/src/os/unix/ngx_solaris_sendfilev_chain.c b/nginx/src/os/unix/ngx_solaris_sendfilev_chain.c deleted file mode 100644 index 39bcafa..0000000 --- a/nginx/src/os/unix/ngx_solaris_sendfilev_chain.c +++ /dev/null @@ -1,228 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -#if (NGX_TEST_BUILD_SOLARIS_SENDFILEV) - -/* Solaris declarations */ - -typedef struct sendfilevec { - int sfv_fd; - u_int sfv_flag; - off_t sfv_off; - size_t sfv_len; -} sendfilevec_t; - -#define SFV_FD_SELF -2 - -static ssize_t sendfilev(int fd, const struct sendfilevec *vec, - int sfvcnt, size_t *xferred) -{ - return -1; -} - -ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, - off_t limit); - -#endif - - -#define NGX_SENDFILEVECS NGX_IOVS_PREALLOCATE - - -ngx_chain_t * -ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - int fd; - u_char *prev; - off_t size, send, prev_send, aligned, fprev; - size_t sent; - ssize_t n; - ngx_int_t eintr; - ngx_err_t err; - ngx_buf_t *file; - ngx_uint_t nsfv; - sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS]; - ngx_event_t *wev; - ngx_chain_t *cl; - - wev = c->write; - - if (!wev->ready) { - return in; - } - - if (!c->sendfile) { - return ngx_writev_chain(c, in, limit); - } - - - /* the maximum limit size is the maximum size_t value - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; - } - - - send = 0; - - for ( ;; ) { - fd = SFV_FD_SELF; - prev = NULL; - fprev = 0; - file = NULL; - sfv = NULL; - eintr = 0; - sent = 0; - prev_send = send; - - nsfv = 0; - - /* create the sendfilevec and coalesce the neighbouring bufs */ - - for (cl = in; cl && send < limit; cl = cl->next) { - - if (ngx_buf_special(cl->buf)) { - continue; - } - - if (ngx_buf_in_memory_only(cl->buf)) { - fd = SFV_FD_SELF; - - size = cl->buf->last - cl->buf->pos; - - if (send + size > limit) { - size = limit - send; - } - - if (prev == cl->buf->pos) { - sfv->sfv_len += (size_t) size; - - } else { - if (nsfv == NGX_SENDFILEVECS) { - break; - } - - sfv = &sfvs[nsfv++]; - - sfv->sfv_fd = SFV_FD_SELF; - sfv->sfv_flag = 0; - sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos; - sfv->sfv_len = (size_t) size; - } - - prev = cl->buf->pos + (size_t) size; - send += size; - - } else { - prev = NULL; - - size = cl->buf->file_last - cl->buf->file_pos; - - if (send + size > limit) { - size = limit - send; - - aligned = (cl->buf->file_pos + size + ngx_pagesize - 1) - & ~((off_t) ngx_pagesize - 1); - - if (aligned <= cl->buf->file_last) { - size = aligned - cl->buf->file_pos; - } - } - - if (fd == cl->buf->file->fd && fprev == cl->buf->file_pos) { - sfv->sfv_len += (size_t) size; - - } else { - if (nsfv == NGX_SENDFILEVECS) { - break; - } - - sfv = &sfvs[nsfv++]; - - fd = cl->buf->file->fd; - sfv->sfv_fd = fd; - sfv->sfv_flag = 0; - sfv->sfv_off = cl->buf->file_pos; - sfv->sfv_len = (size_t) size; - } - - file = cl->buf; - fprev = cl->buf->file_pos + size; - send += size; - } - } - - n = sendfilev(c->fd, sfvs, nsfv, &sent); - - if (n == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - break; - - case NGX_EINTR: - eintr = 1; - break; - - default: - wev->error = 1; - ngx_connection_error(c, err, "sendfilev() failed"); - return NGX_CHAIN_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendfilev() sent only %uz bytes", sent); - - } else if (n == 0 && sent == 0) { - - /* - * sendfilev() is documented to return -1 with errno - * set to EINVAL if svf_len is greater than the file size, - * but at least Solaris 11 returns 0 instead - */ - - if (file) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfilev() reported that \"%s\" was truncated at %O", - file->file->name.data, file->file_pos); - - } else { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfilev() returned 0 with memory buffers"); - } - - return NGX_CHAIN_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendfilev: %z %z", n, sent); - - c->sent += sent; - - in = ngx_chain_update_sent(in, sent); - - if (eintr) { - send = prev_send + sent; - continue; - } - - if (send - prev_send != (off_t) sent) { - wev->ready = 0; - return in; - } - - if (send >= limit || in == NULL) { - return in; - } - } -} diff --git a/nginx/src/os/unix/ngx_sunpro_amd64.il b/nginx/src/os/unix/ngx_sunpro_amd64.il deleted file mode 100644 index 07f3210..0000000 --- a/nginx/src/os/unix/ngx_sunpro_amd64.il +++ /dev/null @@ -1,43 +0,0 @@ -/ -/ Copyright (C) Igor Sysoev -/ Copyright (C) Nginx, Inc. -/ - -/ ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, -/ ngx_atomic_uint_t old, ngx_atomic_uint_t set); -/ -/ the arguments are passed in %rdi, %rsi, %rdx -/ the result is returned in the %rax - - .inline ngx_atomic_cmp_set,0 - movq %rsi, %rax - lock - cmpxchgq %rdx, (%rdi) - setz %al - movzbq %al, %rax - .end - - -/ ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, -/ ngx_atomic_int_t add); -/ -/ the arguments are passed in %rdi, %rsi -/ the result is returned in the %rax - - .inline ngx_atomic_fetch_add,0 - movq %rsi, %rax - lock - xaddq %rax, (%rdi) - .end - - -/ ngx_cpu_pause() -/ -/ the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware -/ capability added by linker because Solaris/amd64 does not know about it: -/ -/ ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] - - .inline ngx_cpu_pause,0 - rep; nop - .end diff --git a/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h b/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h deleted file mode 100644 index 5f28055..0000000 --- a/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h +++ /dev/null @@ -1,61 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#if (NGX_PTR_SIZE == 4) -#define NGX_CASA ngx_casa -#else -#define NGX_CASA ngx_casxa -#endif - - -ngx_atomic_uint_t -ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); - -ngx_atomic_uint_t -ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); - -/* the code in src/os/unix/ngx_sunpro_sparc64.il */ - - -static ngx_inline ngx_atomic_uint_t -ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, - ngx_atomic_uint_t set) -{ - set = NGX_CASA(set, old, lock); - - return (set == old); -} - - -static ngx_inline ngx_atomic_int_t -ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) -{ - ngx_atomic_uint_t old, res; - - old = *value; - - for ( ;; ) { - - res = old + add; - - res = NGX_CASA(res, old, value); - - if (res == old) { - return res; - } - - old = res; - } -} - - -#define ngx_memory_barrier() \ - __asm (".volatile"); \ - __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad"); \ - __asm (".nonvolatile") - -#define ngx_cpu_pause() diff --git a/nginx/src/os/unix/ngx_sunpro_sparc64.il b/nginx/src/os/unix/ngx_sunpro_sparc64.il deleted file mode 100644 index bdeef61..0000000 --- a/nginx/src/os/unix/ngx_sunpro_sparc64.il +++ /dev/null @@ -1,36 +0,0 @@ -/ -/ Copyright (C) Igor Sysoev -/ Copyright (C) Nginx, Inc. -/ - - -/ "casa [%o2] 0x80, %o1, %o0" and -/ "casxa [%o2] 0x80, %o1, %o0" do the following: -/ -/ if ([%o2] == %o1) { -/ swap(%o0, [%o2]); -/ } else { -/ %o0 = [%o2]; -/ } - - -/ ngx_atomic_uint_t ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, -/ ngx_atomic_t *lock); -/ -/ the arguments are passed in the %o0, %o1, %o2 -/ the result is returned in the %o0 - - .inline ngx_casa,0 - casa [%o2] 0x80, %o1, %o0 - .end - - -/ ngx_atomic_uint_t ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, -/ ngx_atomic_t *lock); -/ -/ the arguments are passed in the %o0, %o1, %o2 -/ the result is returned in the %o0 - - .inline ngx_casxa,0 - casxa [%o2] 0x80, %o1, %o0 - .end diff --git a/nginx/src/os/unix/ngx_sunpro_x86.il b/nginx/src/os/unix/ngx_sunpro_x86.il deleted file mode 100644 index d7e127c..0000000 --- a/nginx/src/os/unix/ngx_sunpro_x86.il +++ /dev/null @@ -1,44 +0,0 @@ -/ -/ Copyright (C) Igor Sysoev -/ Copyright (C) Nginx, Inc. -/ - -/ ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, -/ ngx_atomic_uint_t old, ngx_atomic_uint_t set); -/ -/ the arguments are passed on stack (%esp), 4(%esp), 8(%esp) - - .inline ngx_atomic_cmp_set,0 - movl (%esp), %ecx - movl 4(%esp), %eax - movl 8(%esp), %edx - lock - cmpxchgl %edx, (%ecx) - setz %al - movzbl %al, %eax - .end - - -/ ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, -/ ngx_atomic_int_t add); -/ -/ the arguments are passed on stack (%esp), 4(%esp) - - .inline ngx_atomic_fetch_add,0 - movl (%esp), %ecx - movl 4(%esp), %eax - lock - xaddl %eax, (%ecx) - .end - - -/ ngx_cpu_pause() -/ -/ the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware -/ capability added by linker because Solaris/i386 does not know about it: -/ -/ ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] - - .inline ngx_cpu_pause,0 - rep; nop - .end diff --git a/nginx/src/os/unix/ngx_thread.h b/nginx/src/os/unix/ngx_thread.h deleted file mode 100644 index 1b52dd7..0000000 --- a/nginx/src/os/unix/ngx_thread.h +++ /dev/null @@ -1,71 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_THREAD_H_INCLUDED_ -#define _NGX_THREAD_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - -#if (NGX_THREADS) - -#include <pthread.h> - - -typedef pthread_mutex_t ngx_thread_mutex_t; - -ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log); -ngx_int_t ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log); -ngx_int_t ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log); -ngx_int_t ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log); - - -typedef pthread_cond_t ngx_thread_cond_t; - -ngx_int_t ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log); -ngx_int_t ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log); -ngx_int_t ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log); -ngx_int_t ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, - ngx_log_t *log); - - -#if (NGX_LINUX) - -typedef pid_t ngx_tid_t; -#define NGX_TID_T_FMT "%P" - -#elif (NGX_FREEBSD) - -typedef uint32_t ngx_tid_t; -#define NGX_TID_T_FMT "%uD" - -#elif (NGX_DARWIN) - -typedef uint64_t ngx_tid_t; -#define NGX_TID_T_FMT "%uA" - -#else - -typedef uint64_t ngx_tid_t; -#define NGX_TID_T_FMT "%uA" - -#endif - -ngx_tid_t ngx_thread_tid(void); - -#define ngx_log_tid ngx_thread_tid() - -#else - -#define ngx_log_tid 0 -#define NGX_TID_T_FMT "%d" - -#endif - - -#endif /* _NGX_THREAD_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_thread_cond.c b/nginx/src/os/unix/ngx_thread_cond.c deleted file mode 100644 index 2ad51b8..0000000 --- a/nginx/src/os/unix/ngx_thread_cond.c +++ /dev/null @@ -1,76 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -ngx_int_t -ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_cond_init(cond, NULL); - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_init() failed"); - return NGX_ERROR; -} - - -ngx_int_t -ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_cond_destroy(cond); - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_destroy() failed"); - return NGX_ERROR; -} - - -ngx_int_t -ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_cond_signal(cond); - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_signal() failed"); - return NGX_ERROR; -} - - -ngx_int_t -ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, - ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_cond_wait(cond, mtx); - -#if 0 - ngx_time_update(); -#endif - - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_cond_wait() failed"); - - return NGX_ERROR; -} diff --git a/nginx/src/os/unix/ngx_thread_id.c b/nginx/src/os/unix/ngx_thread_id.c deleted file mode 100644 index 5174f1a..0000000 --- a/nginx/src/os/unix/ngx_thread_id.c +++ /dev/null @@ -1,70 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_thread_pool.h> - - -#if (NGX_LINUX) - -/* - * Linux thread id is a pid of thread created by clone(2), - * glibc does not provide a wrapper for gettid(). - */ - -ngx_tid_t -ngx_thread_tid(void) -{ - return syscall(SYS_gettid); -} - -#elif (NGX_FREEBSD) && (__FreeBSD_version >= 900031) - -#include <pthread_np.h> - -ngx_tid_t -ngx_thread_tid(void) -{ - return pthread_getthreadid_np(); -} - -#elif (NGX_DARWIN) - -/* - * MacOSX thread has two thread ids: - * - * 1) MacOSX 10.6 (Snow Leoprad) has pthread_threadid_np() returning - * an uint64_t value, which is obtained using the __thread_selfid() - * syscall. It is a number above 300,000. - */ - -ngx_tid_t -ngx_thread_tid(void) -{ - uint64_t tid; - - (void) pthread_threadid_np(NULL, &tid); - return tid; -} - -/* - * 2) Kernel thread mach_port_t returned by pthread_mach_thread_np(). - * It is a number in range 100-100,000. - * - * return pthread_mach_thread_np(pthread_self()); - */ - -#else - -ngx_tid_t -ngx_thread_tid(void) -{ - return (uint64_t) (uintptr_t) pthread_self(); -} - -#endif diff --git a/nginx/src/os/unix/ngx_thread_mutex.c b/nginx/src/os/unix/ngx_thread_mutex.c deleted file mode 100644 index 4886f49..0000000 --- a/nginx/src/os/unix/ngx_thread_mutex.c +++ /dev/null @@ -1,165 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - -#include <ngx_config.h> -#include <ngx_core.h> - - -/* - * All modern pthread mutex implementations try to acquire a lock - * atomically in userland before going to sleep in kernel. Some - * spins before the sleeping. - * - * In Solaris since version 8 all mutex types spin before sleeping. - * The default spin count is 1000. It can be overridden using - * _THREAD_ADAPTIVE_SPIN=100 environment variable. - * - * In MacOSX all mutex types spin to acquire a lock protecting a mutex's - * internals. If the mutex is busy, thread calls Mach semaphore_wait(). - * - * - * PTHREAD_MUTEX_NORMAL lacks deadlock detection and is the fastest - * mutex type. - * - * Linux: No spinning. The internal name PTHREAD_MUTEX_TIMED_NP - * remains from the times when pthread_mutex_timedlock() was - * non-standard extension. Alias name: PTHREAD_MUTEX_FAST_NP. - * FreeBSD: No spinning. - * - * - * PTHREAD_MUTEX_ERRORCHECK is usually as fast as PTHREAD_MUTEX_NORMAL - * yet has lightweight deadlock detection. - * - * Linux: No spinning. The internal name: PTHREAD_MUTEX_ERRORCHECK_NP. - * FreeBSD: No spinning. - * - * - * PTHREAD_MUTEX_RECURSIVE allows recursive locking. - * - * Linux: No spinning. The internal name: PTHREAD_MUTEX_RECURSIVE_NP. - * FreeBSD: No spinning. - * - * - * PTHREAD_MUTEX_ADAPTIVE_NP spins on SMP systems before sleeping. - * - * Linux: No deadlock detection. Dynamically changes a spin count - * for each mutex from 10 to 100 based on spin count taken - * previously. - * FreeBSD: Deadlock detection. The default spin count is 2000. - * It can be overridden using LIBPTHREAD_SPINLOOPS environment - * variable or by pthread_mutex_setspinloops_np(). If a lock - * is still busy, sched_yield() can be called on both UP and - * SMP systems. The default yield loop count is zero, but - * it can be set by LIBPTHREAD_YIELDLOOPS environment - * variable or by pthread_mutex_setyieldloops_np(). - * Solaris: No PTHREAD_MUTEX_ADAPTIVE_NP. - * MacOSX: No PTHREAD_MUTEX_ADAPTIVE_NP. - * - * - * PTHREAD_MUTEX_ELISION_NP is a Linux extension to elide locks using - * Intel Restricted Transactional Memory. It is the most suitable for - * rwlock pattern access because it allows simultaneous reads without lock. - * Supported since glibc 2.18. - * - * - * PTHREAD_MUTEX_DEFAULT is default mutex type. - * - * Linux: PTHREAD_MUTEX_NORMAL. - * FreeBSD: PTHREAD_MUTEX_ERRORCHECK. - * Solaris: PTHREAD_MUTEX_NORMAL. - * MacOSX: PTHREAD_MUTEX_NORMAL. - */ - - -ngx_int_t -ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log) -{ - ngx_err_t err; - pthread_mutexattr_t attr; - - err = pthread_mutexattr_init(&attr); - if (err != 0) { - ngx_log_error(NGX_LOG_EMERG, log, err, - "pthread_mutexattr_init() failed"); - return NGX_ERROR; - } - - err = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK); - if (err != 0) { - ngx_log_error(NGX_LOG_EMERG, log, err, - "pthread_mutexattr_settype" - "(PTHREAD_MUTEX_ERRORCHECK) failed"); - return NGX_ERROR; - } - - err = pthread_mutex_init(mtx, &attr); - if (err != 0) { - ngx_log_error(NGX_LOG_EMERG, log, err, - "pthread_mutex_init() failed"); - return NGX_ERROR; - } - - err = pthread_mutexattr_destroy(&attr); - if (err != 0) { - ngx_log_error(NGX_LOG_ALERT, log, err, - "pthread_mutexattr_destroy() failed"); - } - - return NGX_OK; -} - - -ngx_int_t -ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_mutex_destroy(mtx); - if (err != 0) { - ngx_log_error(NGX_LOG_ALERT, log, err, - "pthread_mutex_destroy() failed"); - return NGX_ERROR; - } - - return NGX_OK; -} - - -ngx_int_t -ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_mutex_lock(mtx); - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_mutex_lock() failed"); - - return NGX_ERROR; -} - - -ngx_int_t -ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log) -{ - ngx_err_t err; - - err = pthread_mutex_unlock(mtx); - -#if 0 - ngx_time_update(); -#endif - - if (err == 0) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_mutex_unlock() failed"); - - return NGX_ERROR; -} diff --git a/nginx/src/os/unix/ngx_time.c b/nginx/src/os/unix/ngx_time.c deleted file mode 100644 index cc760b2..0000000 --- a/nginx/src/os/unix/ngx_time.c +++ /dev/null @@ -1,104 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -/* - * FreeBSD does not test /etc/localtime change, however, we can workaround it - * by calling tzset() with TZ and then without TZ to update timezone. - * The trick should work since FreeBSD 2.1.0. - * - * Linux does not test /etc/localtime change in localtime(), - * but may stat("/etc/localtime") several times in every strftime(), - * therefore we use it to update timezone. - * - * Solaris does not test /etc/TIMEZONE change too and no workaround available. - */ - -void -ngx_timezone_update(void) -{ -#if (NGX_FREEBSD) - - if (getenv("TZ")) { - return; - } - - putenv("TZ=UTC"); - - tzset(); - - unsetenv("TZ"); - - tzset(); - -#elif (NGX_LINUX) - time_t s; - struct tm *t; - char buf[4]; - - s = time(0); - - t = localtime(&s); - - strftime(buf, 4, "%H", t); - -#endif -} - - -void -ngx_localtime(time_t s, ngx_tm_t *tm) -{ -#if (NGX_HAVE_LOCALTIME_R) - (void) localtime_r(&s, tm); - -#else - ngx_tm_t *t; - - t = localtime(&s); - *tm = *t; - -#endif - - tm->ngx_tm_mon++; - tm->ngx_tm_year += 1900; -} - - -void -ngx_libc_localtime(time_t s, struct tm *tm) -{ -#if (NGX_HAVE_LOCALTIME_R) - (void) localtime_r(&s, tm); - -#else - struct tm *t; - - t = localtime(&s); - *tm = *t; - -#endif -} - - -void -ngx_libc_gmtime(time_t s, struct tm *tm) -{ -#if (NGX_HAVE_LOCALTIME_R) - (void) gmtime_r(&s, tm); - -#else - struct tm *t; - - t = gmtime(&s); - *tm = *t; - -#endif -} diff --git a/nginx/src/os/unix/ngx_time.h b/nginx/src/os/unix/ngx_time.h deleted file mode 100644 index c128c9a..0000000 --- a/nginx/src/os/unix/ngx_time.h +++ /dev/null @@ -1,66 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_TIME_H_INCLUDED_ -#define _NGX_TIME_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -typedef ngx_rbtree_key_t ngx_msec_t; -typedef ngx_rbtree_key_int_t ngx_msec_int_t; - -typedef struct tm ngx_tm_t; - -#define ngx_tm_sec tm_sec -#define ngx_tm_min tm_min -#define ngx_tm_hour tm_hour -#define ngx_tm_mday tm_mday -#define ngx_tm_mon tm_mon -#define ngx_tm_year tm_year -#define ngx_tm_wday tm_wday -#define ngx_tm_isdst tm_isdst - -#define ngx_tm_sec_t int -#define ngx_tm_min_t int -#define ngx_tm_hour_t int -#define ngx_tm_mday_t int -#define ngx_tm_mon_t int -#define ngx_tm_year_t int -#define ngx_tm_wday_t int - - -#if (NGX_HAVE_GMTOFF) -#define ngx_tm_gmtoff tm_gmtoff -#define ngx_tm_zone tm_zone -#endif - - -#if (NGX_SOLARIS) - -#define ngx_timezone(isdst) (- (isdst ? altzone : timezone) / 60) - -#else - -#define ngx_timezone(isdst) (- (isdst ? timezone + 3600 : timezone) / 60) - -#endif - - -void ngx_timezone_update(void); -void ngx_localtime(time_t s, ngx_tm_t *tm); -void ngx_libc_localtime(time_t s, struct tm *tm); -void ngx_libc_gmtime(time_t s, struct tm *tm); - -#define ngx_gettimeofday(tp) (void) gettimeofday(tp, NULL); -#define ngx_msleep(ms) (void) usleep(ms * 1000) -#define ngx_sleep(s) (void) sleep(s) - - -#endif /* _NGX_TIME_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_udp_recv.c b/nginx/src/os/unix/ngx_udp_recv.c deleted file mode 100644 index ced9261..0000000 --- a/nginx/src/os/unix/ngx_udp_recv.c +++ /dev/null @@ -1,72 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ssize_t -ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) -{ - ssize_t n; - ngx_err_t err; - ngx_event_t *rev; - - rev = c->read; - - do { - n = ngxvcl_recv(c->fd, buf, size, 0); - - ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, - "recv: fd:%d %z of %uz", c->fd, n, size); - - if (n >= 0) { - -#if (NGX_HAVE_KQUEUE) - - if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { - rev->available -= n; - - /* - * rev->available may be negative here because some additional - * bytes may be received between kevent() and recv() - */ - - if (rev->available <= 0) { - rev->ready = 0; - rev->available = 0; - } - } - -#endif - - return n; - } - - err = ngx_socket_errno; - - if (err == NGX_EAGAIN || err == NGX_EINTR) { - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "recv() not ready"); - n = NGX_AGAIN; - - } else { - n = ngx_connection_error(c, err, "recv() failed"); - break; - } - - } while (err == NGX_EINTR); - - rev->ready = 0; - - if (n == NGX_ERROR) { - rev->error = 1; - } - - return n; -} diff --git a/nginx/src/os/unix/ngx_udp_send.c b/nginx/src/os/unix/ngx_udp_send.c deleted file mode 100644 index ad1af9d..0000000 --- a/nginx/src/os/unix/ngx_udp_send.c +++ /dev/null @@ -1,56 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ssize_t -ngx_udp_unix_send(ngx_connection_t *c, u_char *buf, size_t size) -{ - ssize_t n; - ngx_err_t err; - ngx_event_t *wev; - - wev = c->write; - - for ( ;; ) { - n = ngxvcl_sendto(c->fd, buf, size, 0, c->sockaddr, c->socklen); - - ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendto: fd:%d %z of %uz to \"%V\"", - c->fd, n, size, &c->addr_text); - - if (n >= 0) { - if ((size_t) n != size) { - wev->error = 1; - (void) ngx_connection_error(c, 0, "sendto() incomplete"); - return NGX_ERROR; - } - - c->sent += n; - - return n; - } - - err = ngx_socket_errno; - - if (err == NGX_EAGAIN) { - wev->ready = 0; - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, NGX_EAGAIN, - "sendto() not ready"); - return NGX_AGAIN; - } - - if (err != NGX_EINTR) { - wev->error = 1; - (void) ngx_connection_error(c, err, "sendto() failed"); - return NGX_ERROR; - } - } -} diff --git a/nginx/src/os/unix/ngx_udp_sendmsg_chain.c b/nginx/src/os/unix/ngx_udp_sendmsg_chain.c deleted file mode 100644 index 7a04f0d..0000000 --- a/nginx/src/os/unix/ngx_udp_sendmsg_chain.c +++ /dev/null @@ -1,335 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -static ngx_chain_t *ngx_udp_output_chain_to_iovec(ngx_iovec_t *vec, - ngx_chain_t *in, ngx_log_t *log); -static ssize_t ngx_sendmsg(ngx_connection_t *c, ngx_iovec_t *vec); - - -ngx_chain_t * -ngx_udp_unix_sendmsg_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - ssize_t n; - off_t send; - ngx_chain_t *cl; - ngx_event_t *wev; - ngx_iovec_t vec; - struct iovec iovs[NGX_IOVS_PREALLOCATE]; - - wev = c->write; - - if (!wev->ready) { - return in; - } - -#if (NGX_HAVE_KQUEUE) - - if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { - (void) ngx_connection_error(c, wev->kq_errno, - "kevent() reported about an closed connection"); - wev->error = 1; - return NGX_CHAIN_ERROR; - } - -#endif - - /* the maximum limit size is the maximum size_t value - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; - } - - send = 0; - - vec.iovs = iovs; - vec.nalloc = NGX_IOVS_PREALLOCATE; - - for ( ;; ) { - - /* create the iovec and coalesce the neighbouring bufs */ - - cl = ngx_udp_output_chain_to_iovec(&vec, in, c->log); - - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - if (cl && cl->buf->in_file) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "file buf in sendmsg " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - cl->buf->temporary, - cl->buf->recycled, - cl->buf->in_file, - cl->buf->start, - cl->buf->pos, - cl->buf->last, - cl->buf->file, - cl->buf->file_pos, - cl->buf->file_last); - - ngx_debug_point(); - - return NGX_CHAIN_ERROR; - } - - if (cl == in) { - return in; - } - - send += vec.size; - - n = ngx_sendmsg(c, &vec); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - if (n == NGX_AGAIN) { - wev->ready = 0; - return in; - } - - c->sent += n; - - in = ngx_chain_update_sent(in, n); - - if (send >= limit || in == NULL) { - return in; - } - } -} - - -static ngx_chain_t * -ngx_udp_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in, ngx_log_t *log) -{ - size_t total, size; - u_char *prev; - ngx_uint_t n, flush; - ngx_chain_t *cl; - struct iovec *iov; - - cl = in; - iov = NULL; - prev = NULL; - total = 0; - n = 0; - flush = 0; - - for ( /* void */ ; in && !flush; in = in->next) { - - if (in->buf->flush || in->buf->last_buf) { - flush = 1; - } - - if (ngx_buf_special(in->buf)) { - continue; - } - - if (in->buf->in_file) { - break; - } - - if (!ngx_buf_in_memory(in->buf)) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "bad buf in output chain " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - in->buf->temporary, - in->buf->recycled, - in->buf->in_file, - in->buf->start, - in->buf->pos, - in->buf->last, - in->buf->file, - in->buf->file_pos, - in->buf->file_last); - - ngx_debug_point(); - - return NGX_CHAIN_ERROR; - } - - size = in->buf->last - in->buf->pos; - - if (prev == in->buf->pos) { - iov->iov_len += size; - - } else { - if (n == vec->nalloc) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "too many parts in a datagram"); - return NGX_CHAIN_ERROR; - } - - iov = &vec->iovs[n++]; - - iov->iov_base = (void *) in->buf->pos; - iov->iov_len = size; - } - - prev = in->buf->pos + size; - total += size; - } - - if (!flush) { -#if (NGX_SUPPRESS_WARN) - vec->size = 0; - vec->count = 0; -#endif - return cl; - } - - vec->count = n; - vec->size = total; - - return in; -} - - -static ssize_t -ngx_sendmsg(ngx_connection_t *c, ngx_iovec_t *vec) -{ - ssize_t n; - ngx_err_t err; - struct msghdr msg; - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - -#if (NGX_HAVE_IP_SENDSRCADDR) - u_char msg_control[CMSG_SPACE(sizeof(struct in_addr))]; -#elif (NGX_HAVE_IP_PKTINFO) - u_char msg_control[CMSG_SPACE(sizeof(struct in_pktinfo))]; -#endif - -#if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) - u_char msg_control6[CMSG_SPACE(sizeof(struct in6_pktinfo))]; -#endif - -#endif - - ngx_memzero(&msg, sizeof(struct msghdr)); - - if (c->socklen) { - msg.msg_name = c->sockaddr; - msg.msg_namelen = c->socklen; - } - - msg.msg_iov = vec->iovs; - msg.msg_iovlen = vec->count; - -#if (NGX_HAVE_MSGHDR_MSG_CONTROL) - - if (c->listening && c->listening->wildcard && c->local_sockaddr) { - -#if (NGX_HAVE_IP_SENDSRCADDR) - - if (c->local_sockaddr->sa_family == AF_INET) { - struct cmsghdr *cmsg; - struct in_addr *addr; - struct sockaddr_in *sin; - - msg.msg_control = &msg_control; - msg.msg_controllen = sizeof(msg_control); - - cmsg = CMSG_FIRSTHDR(&msg); - cmsg->cmsg_level = IPPROTO_IP; - cmsg->cmsg_type = IP_SENDSRCADDR; - cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_addr)); - - sin = (struct sockaddr_in *) c->local_sockaddr; - - addr = (struct in_addr *) CMSG_DATA(cmsg); - *addr = sin->sin_addr; - } - -#elif (NGX_HAVE_IP_PKTINFO) - - if (c->local_sockaddr->sa_family == AF_INET) { - struct cmsghdr *cmsg; - struct in_pktinfo *pkt; - struct sockaddr_in *sin; - - msg.msg_control = &msg_control; - msg.msg_controllen = sizeof(msg_control); - - cmsg = CMSG_FIRSTHDR(&msg); - cmsg->cmsg_level = IPPROTO_IP; - cmsg->cmsg_type = IP_PKTINFO; - cmsg->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo)); - - sin = (struct sockaddr_in *) c->local_sockaddr; - - pkt = (struct in_pktinfo *) CMSG_DATA(cmsg); - ngx_memzero(pkt, sizeof(struct in_pktinfo)); - pkt->ipi_spec_dst = sin->sin_addr; - } - -#endif - -#if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) - - if (c->local_sockaddr->sa_family == AF_INET6) { - struct cmsghdr *cmsg; - struct in6_pktinfo *pkt6; - struct sockaddr_in6 *sin6; - - msg.msg_control = &msg_control6; - msg.msg_controllen = sizeof(msg_control6); - - cmsg = CMSG_FIRSTHDR(&msg); - cmsg->cmsg_level = IPPROTO_IPV6; - cmsg->cmsg_type = IPV6_PKTINFO; - cmsg->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo)); - - sin6 = (struct sockaddr_in6 *) c->local_sockaddr; - - pkt6 = (struct in6_pktinfo *) CMSG_DATA(cmsg); - ngx_memzero(pkt6, sizeof(struct in6_pktinfo)); - pkt6->ipi6_addr = sin6->sin6_addr; - } - -#endif - } - -#endif - -eintr: - - n = ngxvcl_sendmsg(c->fd, &msg, 0); - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "sendmsg: %z of %uz", n, vec->size); - - if (n == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendmsg() not ready"); - return NGX_AGAIN; - - case NGX_EINTR: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "sendmsg() was interrupted"); - goto eintr; - - default: - c->write->error = 1; - ngx_connection_error(c, err, "sendmsg() failed"); - return NGX_ERROR; - } - } - - return n; -} diff --git a/nginx/src/os/unix/ngx_user.c b/nginx/src/os/unix/ngx_user.c deleted file mode 100644 index b3d81d0..0000000 --- a/nginx/src/os/unix/ngx_user.c +++ /dev/null @@ -1,76 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -#if (NGX_CRYPT) - -#if (NGX_HAVE_GNU_CRYPT_R) - -ngx_int_t -ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) -{ - char *value; - size_t len; - struct crypt_data cd; - - cd.initialized = 0; - - value = crypt_r((char *) key, (char *) salt, &cd); - - if (value) { - len = ngx_strlen(value) + 1; - - *encrypted = ngx_pnalloc(pool, len); - if (*encrypted == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(*encrypted, value, len); - return NGX_OK; - } - - ngx_log_error(NGX_LOG_CRIT, pool->log, ngx_errno, "crypt_r() failed"); - - return NGX_ERROR; -} - -#else - -ngx_int_t -ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) -{ - char *value; - size_t len; - ngx_err_t err; - - value = crypt((char *) key, (char *) salt); - - if (value) { - len = ngx_strlen(value) + 1; - - *encrypted = ngx_pnalloc(pool, len); - if (*encrypted == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(*encrypted, value, len); - return NGX_OK; - } - - err = ngx_errno; - - ngx_log_error(NGX_LOG_CRIT, pool->log, err, "crypt() failed"); - - return NGX_ERROR; -} - -#endif - -#endif /* NGX_CRYPT */ diff --git a/nginx/src/os/unix/ngx_user.h b/nginx/src/os/unix/ngx_user.h deleted file mode 100644 index 6e82204..0000000 --- a/nginx/src/os/unix/ngx_user.h +++ /dev/null @@ -1,24 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_USER_H_INCLUDED_ -#define _NGX_USER_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -typedef uid_t ngx_uid_t; -typedef gid_t ngx_gid_t; - - -ngx_int_t ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, - u_char **encrypted); - - -#endif /* _NGX_USER_H_INCLUDED_ */ diff --git a/nginx/src/os/unix/ngx_writev_chain.c b/nginx/src/os/unix/ngx_writev_chain.c deleted file mode 100644 index 9edc838..0000000 --- a/nginx/src/os/unix/ngx_writev_chain.c +++ /dev/null @@ -1,216 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> - - -ngx_chain_t * -ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) -{ - ssize_t n, sent; - off_t send, prev_send; - ngx_chain_t *cl; - ngx_event_t *wev; - ngx_iovec_t vec; - struct iovec iovs[NGX_IOVS_PREALLOCATE]; - - wev = c->write; - - if (!wev->ready) { - return in; - } - -#if (NGX_HAVE_KQUEUE) - - if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { - (void) ngx_connection_error(c, wev->kq_errno, - "kevent() reported about an closed connection"); - wev->error = 1; - return NGX_CHAIN_ERROR; - } - -#endif - - /* the maximum limit size is the maximum size_t value - the page size */ - - if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; - } - - send = 0; - - vec.iovs = iovs; - vec.nalloc = NGX_IOVS_PREALLOCATE; - - for ( ;; ) { - prev_send = send; - - /* create the iovec and coalesce the neighbouring bufs */ - - cl = ngx_output_chain_to_iovec(&vec, in, limit - send, c->log); - - if (cl == NGX_CHAIN_ERROR) { - return NGX_CHAIN_ERROR; - } - - if (cl && cl->buf->in_file) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "file buf in writev " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - cl->buf->temporary, - cl->buf->recycled, - cl->buf->in_file, - cl->buf->start, - cl->buf->pos, - cl->buf->last, - cl->buf->file, - cl->buf->file_pos, - cl->buf->file_last); - - ngx_debug_point(); - - return NGX_CHAIN_ERROR; - } - - send += vec.size; - - n = ngx_writev(c, &vec); - - if (n == NGX_ERROR) { - return NGX_CHAIN_ERROR; - } - - sent = (n == NGX_AGAIN) ? 0 : n; - - c->sent += sent; - - in = ngx_chain_update_sent(in, sent); - - if (send - prev_send != sent) { - wev->ready = 0; - return in; - } - - if (send >= limit || in == NULL) { - return in; - } - } -} - - -ngx_chain_t * -ngx_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in, size_t limit, - ngx_log_t *log) -{ - size_t total, size; - u_char *prev; - ngx_uint_t n; - struct iovec *iov; - - iov = NULL; - prev = NULL; - total = 0; - n = 0; - - for ( /* void */ ; in && total < limit; in = in->next) { - - if (ngx_buf_special(in->buf)) { - continue; - } - - if (in->buf->in_file) { - break; - } - - if (!ngx_buf_in_memory(in->buf)) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "bad buf in output chain " - "t:%d r:%d f:%d %p %p-%p %p %O-%O", - in->buf->temporary, - in->buf->recycled, - in->buf->in_file, - in->buf->start, - in->buf->pos, - in->buf->last, - in->buf->file, - in->buf->file_pos, - in->buf->file_last); - - ngx_debug_point(); - - return NGX_CHAIN_ERROR; - } - - size = in->buf->last - in->buf->pos; - - if (size > limit - total) { - size = limit - total; - } - - if (prev == in->buf->pos) { - iov->iov_len += size; - - } else { - if (n == vec->nalloc) { - break; - } - - iov = &vec->iovs[n++]; - - iov->iov_base = (void *) in->buf->pos; - iov->iov_len = size; - } - - prev = in->buf->pos + size; - total += size; - } - - vec->count = n; - vec->size = total; - - return in; -} - - -ssize_t -ngx_writev(ngx_connection_t *c, ngx_iovec_t *vec) -{ - ssize_t n; - ngx_err_t err; - -eintr: - - n = ngxvcl_writev(c->fd, vec->iovs, vec->count); - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, - "writev: %z of %uz", n, vec->size); - - if (n == -1) { - err = ngx_errno; - - switch (err) { - case NGX_EAGAIN: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "writev() not ready"); - return NGX_AGAIN; - - case NGX_EINTR: - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, - "writev() was interrupted"); - goto eintr; - - default: - c->write->error = 1; - ngx_connection_error(c, err, "writev() failed"); - return NGX_ERROR; - } - } - - return n; -} |