diff options
author | Ben Magistro <koncept1@gmail.com> | 2022-04-17 09:45:02 -0400 |
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committer | Ben Magistro <koncept1@gmail.com> | 2022-04-20 21:30:13 -0400 |
commit | bf8c01bfcd015d43cfbcb893e48c6a83a95c91ec (patch) | |
tree | d4871f553a40aaed8cf98165f1e4f07584cfb95e /app/nginx/src/os/unix/ngx_linux_aio_read.c | |
parent | 862937c477a3d90798a5e4c4e84fc7c79aae52fe (diff) |
Drop nginxdev-mitm-proxy
Nginx is not part of the core library being developed and needs to
be moved to its own repository to allow it to be more easily
maintained.
Signed-off-by: Ben Magistro <koncept1@gmail.com>
Change-Id: I5639e84ba0564ccd49ffcffa7ec9fcd57827bd6d
Diffstat (limited to 'app/nginx/src/os/unix/ngx_linux_aio_read.c')
-rw-r--r-- | app/nginx/src/os/unix/ngx_linux_aio_read.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/app/nginx/src/os/unix/ngx_linux_aio_read.c b/app/nginx/src/os/unix/ngx_linux_aio_read.c deleted file mode 100644 index 9f0a6c1..0000000 --- a/app/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); -} |