diff options
Diffstat (limited to 'app/nginx/src/os/win32/ngx_process_cycle.c')
| -rw-r--r-- | app/nginx/src/os/win32/ngx_process_cycle.c | 1042 |
1 files changed, 0 insertions, 1042 deletions
diff --git a/app/nginx/src/os/win32/ngx_process_cycle.c b/app/nginx/src/os/win32/ngx_process_cycle.c deleted file mode 100644 index 293b967..0000000 --- a/app/nginx/src/os/win32/ngx_process_cycle.c +++ /dev/null @@ -1,1042 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <nginx.h> - - -static void ngx_console_init(ngx_cycle_t *cycle); -static int __stdcall ngx_console_handler(u_long type); -static ngx_int_t ngx_create_signal_events(ngx_cycle_t *cycle); -static ngx_int_t ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type); -static void ngx_reopen_worker_processes(ngx_cycle_t *cycle); -static void ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old); -static void ngx_terminate_worker_processes(ngx_cycle_t *cycle); -static ngx_uint_t ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h); -static void ngx_master_process_exit(ngx_cycle_t *cycle); -static void ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn); -static void ngx_worker_process_exit(ngx_cycle_t *cycle); -static ngx_thread_value_t __stdcall ngx_worker_thread(void *data); -static ngx_thread_value_t __stdcall ngx_cache_manager_thread(void *data); -static void ngx_cache_manager_process_handler(void); -static ngx_thread_value_t __stdcall ngx_cache_loader_thread(void *data); - - -ngx_uint_t ngx_process; -ngx_uint_t ngx_worker; -ngx_pid_t ngx_pid; - -ngx_uint_t ngx_inherited; -ngx_pid_t ngx_new_binary; - -sig_atomic_t ngx_terminate; -sig_atomic_t ngx_quit; -sig_atomic_t ngx_reopen; -sig_atomic_t ngx_reconfigure; -ngx_uint_t ngx_exiting; - - -HANDLE ngx_master_process_event; -char ngx_master_process_event_name[NGX_PROCESS_SYNC_NAME]; - -static HANDLE ngx_stop_event; -static char ngx_stop_event_name[NGX_PROCESS_SYNC_NAME]; -static HANDLE ngx_quit_event; -static char ngx_quit_event_name[NGX_PROCESS_SYNC_NAME]; -static HANDLE ngx_reopen_event; -static char ngx_reopen_event_name[NGX_PROCESS_SYNC_NAME]; -static HANDLE ngx_reload_event; -static char ngx_reload_event_name[NGX_PROCESS_SYNC_NAME]; - -HANDLE ngx_cache_manager_mutex; -char ngx_cache_manager_mutex_name[NGX_PROCESS_SYNC_NAME]; -HANDLE ngx_cache_manager_event; - - -void -ngx_master_process_cycle(ngx_cycle_t *cycle) -{ - u_long nev, ev, timeout; - ngx_err_t err; - ngx_int_t n; - ngx_msec_t timer; - ngx_uint_t live; - HANDLE events[MAXIMUM_WAIT_OBJECTS]; - - ngx_sprintf((u_char *) ngx_master_process_event_name, - "ngx_master_%s%Z", ngx_unique); - - if (ngx_process == NGX_PROCESS_WORKER) { - ngx_worker_process_cycle(cycle, ngx_master_process_event_name); - return; - } - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "master started"); - - ngx_console_init(cycle); - - SetEnvironmentVariable("ngx_unique", ngx_unique); - - ngx_master_process_event = CreateEvent(NULL, 1, 0, - ngx_master_process_event_name); - if (ngx_master_process_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"%s\") failed", - ngx_master_process_event_name); - exit(2); - } - - if (ngx_create_signal_events(cycle) != NGX_OK) { - exit(2); - } - - ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, - "ngx_cache_manager_mutex_%s%Z", ngx_unique); - - ngx_cache_manager_mutex = CreateMutex(NULL, 0, - ngx_cache_manager_mutex_name); - if (ngx_cache_manager_mutex == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateMutex(\"%s\") failed", ngx_cache_manager_mutex_name); - exit(2); - } - - - events[0] = ngx_stop_event; - events[1] = ngx_quit_event; - events[2] = ngx_reopen_event; - events[3] = ngx_reload_event; - - ngx_close_listening_sockets(cycle); - - if (ngx_start_worker_processes(cycle, NGX_PROCESS_RESPAWN) == 0) { - exit(2); - } - - timer = 0; - timeout = INFINITE; - - for ( ;; ) { - - nev = 4; - for (n = 0; n < ngx_last_process; n++) { - if (ngx_processes[n].handle) { - events[nev++] = ngx_processes[n].handle; - } - } - - if (timer) { - timeout = timer > ngx_current_msec ? timer - ngx_current_msec : 0; - } - - ev = WaitForMultipleObjects(nev, events, 0, timeout); - - err = ngx_errno; - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "master WaitForMultipleObjects: %ul", ev); - - if (ev == WAIT_OBJECT_0) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - - if (ResetEvent(ngx_stop_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "ResetEvent(\"%s\") failed", ngx_stop_event_name); - } - - if (timer == 0) { - timer = ngx_current_msec + 5000; - } - - ngx_terminate = 1; - ngx_quit_worker_processes(cycle, 0); - - continue; - } - - if (ev == WAIT_OBJECT_0 + 1) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "shutting down"); - - if (ResetEvent(ngx_quit_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "ResetEvent(\"%s\") failed", ngx_quit_event_name); - } - - ngx_quit = 1; - ngx_quit_worker_processes(cycle, 0); - - continue; - } - - if (ev == WAIT_OBJECT_0 + 2) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); - - if (ResetEvent(ngx_reopen_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "ResetEvent(\"%s\") failed", - ngx_reopen_event_name); - } - - ngx_reopen_files(cycle, -1); - ngx_reopen_worker_processes(cycle); - - continue; - } - - if (ev == WAIT_OBJECT_0 + 3) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); - - if (ResetEvent(ngx_reload_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "ResetEvent(\"%s\") failed", - ngx_reload_event_name); - } - - cycle = ngx_init_cycle(cycle); - if (cycle == NULL) { - cycle = (ngx_cycle_t *) ngx_cycle; - continue; - } - - ngx_cycle = cycle; - - ngx_close_listening_sockets(cycle); - - if (ngx_start_worker_processes(cycle, NGX_PROCESS_JUST_RESPAWN)) { - ngx_quit_worker_processes(cycle, 1); - } - - continue; - } - - if (ev > WAIT_OBJECT_0 + 3 && ev < WAIT_OBJECT_0 + nev) { - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "reap worker"); - - live = ngx_reap_worker(cycle, events[ev]); - - if (!live && (ngx_terminate || ngx_quit)) { - ngx_master_process_exit(cycle); - } - - continue; - } - - if (ev == WAIT_TIMEOUT) { - ngx_terminate_worker_processes(cycle); - - ngx_master_process_exit(cycle); - } - - if (ev == WAIT_FAILED) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, err, - "WaitForMultipleObjects() failed"); - - continue; - } - - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "WaitForMultipleObjects() returned unexpected value %ul", ev); - } -} - - -static void -ngx_console_init(ngx_cycle_t *cycle) -{ - ngx_core_conf_t *ccf; - - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); - - if (ccf->daemon) { - if (FreeConsole() == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "FreeConsole() failed"); - } - - return; - } - - if (SetConsoleCtrlHandler(ngx_console_handler, 1) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "SetConsoleCtrlHandler() failed"); - } -} - - -static int __stdcall -ngx_console_handler(u_long type) -{ - char *msg; - - switch (type) { - - case CTRL_C_EVENT: - msg = "Ctrl-C pressed, exiting"; - break; - - case CTRL_BREAK_EVENT: - msg = "Ctrl-Break pressed, exiting"; - break; - - case CTRL_CLOSE_EVENT: - msg = "console closing, exiting"; - break; - - case CTRL_LOGOFF_EVENT: - msg = "user logs off, exiting"; - break; - - default: - return 0; - } - - ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, msg); - - if (ngx_stop_event == NULL) { - return 1; - } - - if (SetEvent(ngx_stop_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "SetEvent(\"%s\") failed", ngx_stop_event_name); - } - - return 1; -} - - -static ngx_int_t -ngx_create_signal_events(ngx_cycle_t *cycle) -{ - ngx_sprintf((u_char *) ngx_stop_event_name, - "Global\\ngx_stop_%s%Z", ngx_unique); - - ngx_stop_event = CreateEvent(NULL, 1, 0, ngx_stop_event_name); - if (ngx_stop_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"%s\") failed", ngx_stop_event_name); - return NGX_ERROR; - } - - - ngx_sprintf((u_char *) ngx_quit_event_name, - "Global\\ngx_quit_%s%Z", ngx_unique); - - ngx_quit_event = CreateEvent(NULL, 1, 0, ngx_quit_event_name); - if (ngx_quit_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"%s\") failed", ngx_quit_event_name); - return NGX_ERROR; - } - - - ngx_sprintf((u_char *) ngx_reopen_event_name, - "Global\\ngx_reopen_%s%Z", ngx_unique); - - ngx_reopen_event = CreateEvent(NULL, 1, 0, ngx_reopen_event_name); - if (ngx_reopen_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"%s\") failed", ngx_reopen_event_name); - return NGX_ERROR; - } - - - ngx_sprintf((u_char *) ngx_reload_event_name, - "Global\\ngx_reload_%s%Z", ngx_unique); - - ngx_reload_event = CreateEvent(NULL, 1, 0, ngx_reload_event_name); - if (ngx_reload_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"%s\") failed", ngx_reload_event_name); - return NGX_ERROR; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type) -{ - ngx_int_t n; - ngx_core_conf_t *ccf; - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); - - ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); - - for (n = 0; n < ccf->worker_processes; n++) { - if (ngx_spawn_process(cycle, "worker", type) == NGX_INVALID_PID) { - break; - } - } - - return n; -} - - -static void -ngx_reopen_worker_processes(ngx_cycle_t *cycle) -{ - ngx_int_t n; - - for (n = 0; n < ngx_last_process; n++) { - - if (ngx_processes[n].handle == NULL) { - continue; - } - - if (SetEvent(ngx_processes[n].reopen) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "SetEvent(\"%s\") failed", - ngx_processes[n].reopen_event); - } - } -} - - -static void -ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old) -{ - ngx_int_t n; - - for (n = 0; n < ngx_last_process; n++) { - - ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "process: %d %P %p e:%d j:%d", - n, - ngx_processes[n].pid, - ngx_processes[n].handle, - ngx_processes[n].exiting, - ngx_processes[n].just_spawn); - - if (old && ngx_processes[n].just_spawn) { - ngx_processes[n].just_spawn = 0; - continue; - } - - if (ngx_processes[n].handle == NULL) { - continue; - } - - if (SetEvent(ngx_processes[n].quit) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "SetEvent(\"%s\") failed", - ngx_processes[n].quit_event); - } - - ngx_processes[n].exiting = 1; - } -} - - -static void -ngx_terminate_worker_processes(ngx_cycle_t *cycle) -{ - ngx_int_t n; - - for (n = 0; n < ngx_last_process; n++) { - - if (ngx_processes[n].handle == NULL) { - continue; - } - - if (TerminateProcess(ngx_processes[n].handle, 0) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "TerminateProcess(\"%p\") failed", - ngx_processes[n].handle); - } - - ngx_processes[n].exiting = 1; - - ngx_close_handle(ngx_processes[n].reopen); - ngx_close_handle(ngx_processes[n].quit); - ngx_close_handle(ngx_processes[n].term); - ngx_close_handle(ngx_processes[n].handle); - } -} - - -static ngx_uint_t -ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h) -{ - u_long code; - ngx_int_t n; - - for (n = 0; n < ngx_last_process; n++) { - - if (ngx_processes[n].handle != h) { - continue; - } - - if (GetExitCodeProcess(h, &code) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "GetExitCodeProcess(%P) failed", - ngx_processes[n].pid); - } - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, - "%s process %P exited with code %Xl", - ngx_processes[n].name, ngx_processes[n].pid, code); - - ngx_close_handle(ngx_processes[n].reopen); - ngx_close_handle(ngx_processes[n].quit); - ngx_close_handle(ngx_processes[n].term); - ngx_close_handle(h); - - ngx_processes[n].handle = NULL; - ngx_processes[n].term = NULL; - ngx_processes[n].quit = NULL; - ngx_processes[n].reopen = NULL; - - if (!ngx_processes[n].exiting && !ngx_terminate && !ngx_quit) { - - if (ngx_spawn_process(cycle, ngx_processes[n].name, n) - == NGX_INVALID_PID) - { - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, - "could not respawn %s", ngx_processes[n].name); - - if (n == ngx_last_process - 1) { - ngx_last_process--; - } - } - } - - goto found; - } - - ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "unknown process handle %p", h); - -found: - - for (n = 0; n < ngx_last_process; n++) { - - ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "process: %d %P %p e:%d j:%d", - n, - ngx_processes[n].pid, - ngx_processes[n].handle, - ngx_processes[n].exiting, - ngx_processes[n].just_spawn); - - if (ngx_processes[n].handle) { - return 1; - } - } - - return 0; -} - - -static void -ngx_master_process_exit(ngx_cycle_t *cycle) -{ - ngx_uint_t i; - - ngx_delete_pidfile(cycle); - - ngx_close_handle(ngx_cache_manager_mutex); - ngx_close_handle(ngx_stop_event); - ngx_close_handle(ngx_quit_event); - ngx_close_handle(ngx_reopen_event); - ngx_close_handle(ngx_reload_event); - ngx_close_handle(ngx_master_process_event); - - 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_destroy_pool(cycle->pool); - - exit(0); -} - - -static void -ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn) -{ - char wtevn[NGX_PROCESS_SYNC_NAME]; - char wqevn[NGX_PROCESS_SYNC_NAME]; - char wroevn[NGX_PROCESS_SYNC_NAME]; - HANDLE mev, events[3]; - u_long nev, ev; - ngx_err_t err; - ngx_tid_t wtid, cmtid, cltid; - ngx_log_t *log; - - log = cycle->log; - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "worker started"); - - ngx_sprintf((u_char *) wtevn, "ngx_worker_term_%P%Z", ngx_pid); - events[0] = CreateEvent(NULL, 1, 0, wtevn); - if (events[0] == NULL) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "CreateEvent(\"%s\") failed", wtevn); - goto failed; - } - - ngx_sprintf((u_char *) wqevn, "ngx_worker_quit_%P%Z", ngx_pid); - events[1] = CreateEvent(NULL, 1, 0, wqevn); - if (events[1] == NULL) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "CreateEvent(\"%s\") failed", wqevn); - goto failed; - } - - ngx_sprintf((u_char *) wroevn, "ngx_worker_reopen_%P%Z", ngx_pid); - events[2] = CreateEvent(NULL, 1, 0, wroevn); - if (events[2] == NULL) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "CreateEvent(\"%s\") failed", wroevn); - goto failed; - } - - mev = OpenEvent(EVENT_MODIFY_STATE, 0, mevn); - if (mev == NULL) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "OpenEvent(\"%s\") failed", mevn); - goto failed; - } - - if (SetEvent(mev) == 0) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "SetEvent(\"%s\") failed", mevn); - goto failed; - } - - - ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, - "ngx_cache_manager_mutex_%s%Z", ngx_unique); - - ngx_cache_manager_mutex = OpenMutex(SYNCHRONIZE, 0, - ngx_cache_manager_mutex_name); - if (ngx_cache_manager_mutex == NULL) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "OpenMutex(\"%s\") failed", ngx_cache_manager_mutex_name); - goto failed; - } - - ngx_cache_manager_event = CreateEvent(NULL, 1, 0, NULL); - if (ngx_cache_manager_event == NULL) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "CreateEvent(\"ngx_cache_manager_event\") failed"); - goto failed; - } - - - if (ngx_create_thread(&wtid, ngx_worker_thread, NULL, log) != 0) { - goto failed; - } - - if (ngx_create_thread(&cmtid, ngx_cache_manager_thread, NULL, log) != 0) { - goto failed; - } - - if (ngx_create_thread(&cltid, ngx_cache_loader_thread, NULL, log) != 0) { - goto failed; - } - - for ( ;; ) { - ev = WaitForMultipleObjects(3, events, 0, INFINITE); - - err = ngx_errno; - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, - "worker WaitForMultipleObjects: %ul", ev); - - if (ev == WAIT_OBJECT_0) { - ngx_terminate = 1; - ngx_log_error(NGX_LOG_NOTICE, log, 0, "exiting"); - - if (ResetEvent(events[0]) == 0) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "ResetEvent(\"%s\") failed", wtevn); - } - - break; - } - - if (ev == WAIT_OBJECT_0 + 1) { - ngx_quit = 1; - ngx_log_error(NGX_LOG_NOTICE, log, 0, "gracefully shutting down"); - break; - } - - if (ev == WAIT_OBJECT_0 + 2) { - ngx_reopen = 1; - ngx_log_error(NGX_LOG_NOTICE, log, 0, "reopening logs"); - - if (ResetEvent(events[2]) == 0) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "ResetEvent(\"%s\") failed", wroevn); - } - - continue; - } - - if (ev == WAIT_FAILED) { - ngx_log_error(NGX_LOG_ALERT, log, err, - "WaitForMultipleObjects() failed"); - - goto failed; - } - } - - /* wait threads */ - - if (SetEvent(ngx_cache_manager_event) == 0) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - "SetEvent(\"ngx_cache_manager_event\") failed"); - } - - events[1] = wtid; - events[2] = cmtid; - - nev = 3; - - for ( ;; ) { - ev = WaitForMultipleObjects(nev, events, 0, INFINITE); - - err = ngx_errno; - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, - "worker exit WaitForMultipleObjects: %ul", ev); - - if (ev == WAIT_OBJECT_0) { - break; - } - - if (ev == WAIT_OBJECT_0 + 1) { - if (nev == 2) { - break; - } - - events[1] = events[2]; - nev = 2; - continue; - } - - if (ev == WAIT_OBJECT_0 + 2) { - nev = 2; - continue; - } - - if (ev == WAIT_FAILED) { - ngx_log_error(NGX_LOG_ALERT, log, err, - "WaitForMultipleObjects() failed"); - break; - } - } - - ngx_close_handle(ngx_cache_manager_event); - ngx_close_handle(events[0]); - ngx_close_handle(events[1]); - ngx_close_handle(events[2]); - ngx_close_handle(mev); - - ngx_worker_process_exit(cycle); - -failed: - - exit(2); -} - - -static ngx_thread_value_t __stdcall -ngx_worker_thread(void *data) -{ - ngx_int_t n; - ngx_time_t *tp; - ngx_cycle_t *cycle; - - tp = ngx_timeofday(); - srand((ngx_pid << 16) ^ (unsigned) tp->sec ^ tp->msec); - - cycle = (ngx_cycle_t *) ngx_cycle; - - for (n = 0; cycle->modules[n]; n++) { - if (cycle->modules[n]->init_process) { - if (cycle->modules[n]->init_process(cycle) == NGX_ERROR) { - /* fatal */ - exit(2); - } - } - } - - while (!ngx_quit) { - - if (ngx_exiting) { - if (ngx_event_no_timers_left() == NGX_OK) { - break; - } - } - - ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "worker cycle"); - - ngx_process_events_and_timers(cycle); - - if (ngx_terminate) { - return 0; - } - - if (ngx_quit) { - ngx_quit = 0; - - 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_reopen_files(cycle, -1); - } - } - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - - return 0; -} - - -static void -ngx_worker_process_exit(ngx_cycle_t *cycle) -{ - ngx_uint_t i; - ngx_connection_t *c; - - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); - - 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 != (ngx_socket_t) -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_destroy_pool(cycle->pool); - - exit(0); -} - - -static ngx_thread_value_t __stdcall -ngx_cache_manager_thread(void *data) -{ - u_long ev; - HANDLE events[2]; - ngx_err_t err; - ngx_cycle_t *cycle; - - cycle = (ngx_cycle_t *) ngx_cycle; - - events[0] = ngx_cache_manager_event; - events[1] = ngx_cache_manager_mutex; - - for ( ;; ) { - ev = WaitForMultipleObjects(2, events, 0, INFINITE); - - err = ngx_errno; - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, - "cache manager WaitForMultipleObjects: %ul", ev); - - if (ev == WAIT_FAILED) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, err, - "WaitForMultipleObjects() failed"); - } - - /* - * ev == WAIT_OBJECT_0 - * ev == WAIT_OBJECT_0 + 1 - * ev == WAIT_ABANDONED_0 + 1 - */ - - if (ngx_terminate || ngx_quit || ngx_exiting) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - return 0; - } - - break; - } - - for ( ;; ) { - - if (ngx_terminate || ngx_quit || ngx_exiting) { - ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); - break; - } - - ngx_cache_manager_process_handler(); - } - - if (ReleaseMutex(ngx_cache_manager_mutex) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "ReleaseMutex() failed"); - } - - return 0; -} - - -static void -ngx_cache_manager_process_handler(void) -{ - u_long 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; - } - - ev = WaitForSingleObject(ngx_cache_manager_event, (u_long) next); - - if (ev != WAIT_TIMEOUT) { - - ngx_time_update(); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, - "cache manager WaitForSingleObject: %ul", ev); - } -} - - -static ngx_thread_value_t __stdcall -ngx_cache_loader_thread(void *data) -{ - ngx_uint_t i; - ngx_path_t **path; - ngx_cycle_t *cycle; - - ngx_msleep(60000); - - cycle = (ngx_cycle_t *) ngx_cycle; - - path = cycle->paths.elts; - for (i = 0; i < cycle->paths.nelts; i++) { - - if (ngx_terminate || ngx_quit || ngx_exiting) { - break; - } - - if (path[i]->loader) { - path[i]->loader(path[i]->data); - ngx_time_update(); - } - } - - return 0; -} - - -void -ngx_single_process_cycle(ngx_cycle_t *cycle) -{ - ngx_tid_t tid; - - ngx_console_init(cycle); - - if (ngx_create_signal_events(cycle) != NGX_OK) { - exit(2); - } - - if (ngx_create_thread(&tid, ngx_worker_thread, NULL, cycle->log) != 0) { - /* fatal */ - exit(2); - } - - /* STUB */ - WaitForSingleObject(ngx_stop_event, INFINITE); -} - - -ngx_int_t -ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_pid_t pid) -{ - HANDLE ev; - ngx_int_t rc; - char evn[NGX_PROCESS_SYNC_NAME]; - - ngx_sprintf((u_char *) evn, "Global\\ngx_%s_%P%Z", sig, pid); - - ev = OpenEvent(EVENT_MODIFY_STATE, 0, evn); - if (ev == NULL) { - ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno, - "OpenEvent(\"%s\") failed", evn); - return 1; - } - - if (SetEvent(ev) == 0) { - ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, - "SetEvent(\"%s\") failed", evn); - rc = 1; - - } else { - rc = 0; - } - - ngx_close_handle(ev); - - return rc; -} - - -void -ngx_close_handle(HANDLE h) -{ - if (CloseHandle(h) == 0) { - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_errno, - "CloseHandle(%p) failed", h); - } -} |