From 68df19d33ac5cf804650261867afd5f8acdce364 Mon Sep 17 00:00:00 2001 From: Igor Sysoev Date: Thu, 15 Apr 2004 15:34:36 +0000 Subject: [PATCH] nginx-0.0.3-2004-04-15-19:34:36 import --- src/core/nginx.c | 30 +- src/core/ngx_connection.c | 12 +- src/core/ngx_cycle.c | 16 +- src/core/ngx_cycle.h | 3 + src/core/ngx_log.c | 34 +- src/event/modules/ngx_devpoll_module.c | 2 +- src/event/modules/ngx_epoll_module.c | 2 +- src/event/modules/ngx_kqueue_module.c | 2 +- src/event/modules/ngx_poll_module.c | 2 +- src/event/modules/ngx_rtsig_module.c | 2 +- src/event/modules/ngx_select_module.c | 2 +- .../modules/proxy/ngx_http_proxy_handler.c | 16 +- src/os/unix/ngx_process_cycle.c | 305 ++++++++++++++++-- 13 files changed, 358 insertions(+), 70 deletions(-) diff --git a/src/core/nginx.c b/src/core/nginx.c index a784040a7..5f2603cfb 100644 --- a/src/core/nginx.c +++ b/src/core/nginx.c @@ -70,12 +70,14 @@ ngx_module_t ngx_core_module = { }; -ngx_int_t ngx_max_module; +ngx_int_t ngx_max_module; -ngx_int_t ngx_process; -ngx_pid_t ngx_pid; -ngx_pid_t ngx_new_binary; -ngx_int_t ngx_inherited; +ngx_int_t ngx_process; +ngx_pid_t ngx_pid; +ngx_pid_t ngx_new_binary; +ngx_int_t ngx_inherited; + +ngx_uint_t ngx_test_config; int main(int argc, char *const *argv) @@ -125,11 +127,6 @@ int main(int argc, char *const *argv) return 1; } - ngx_max_module = 0; - for (i = 0; ngx_modules[i]; i++) { - ngx_modules[i]->index = ngx_max_module++; - } - if (!(init_cycle.pool = ngx_create_pool(1024, log))) { return 1; } @@ -138,11 +135,20 @@ int main(int argc, char *const *argv) return 1; } + ngx_max_module = 0; + for (i = 0; ngx_modules[i]; i++) { + ngx_modules[i]->index = ngx_max_module++; + } + cycle = ngx_init_cycle(&init_cycle); if (cycle == NULL) { return 1; } + if (ngx_test_config) { + return 0; + } + ngx_cycle = cycle; ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); @@ -276,6 +282,10 @@ static ngx_int_t ngx_getopt(ngx_master_ctx_t *ctx, ngx_cycle_t *cycle) switch (ctx->argv[i][1]) { + case 't': + ngx_test_config = 1; + break; + case 'c': if (ctx->argv[i + 1] == NULL) { ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c index 8dedbd10e..6382ec10c 100644 --- a/src/core/ngx_connection.c +++ b/src/core/ngx_connection.c @@ -228,7 +228,17 @@ void ngx_close_listening_sockets(ngx_cycle_t *cycle) fd /= 4; #endif - ngx_del_event(&cycle->read_events[fd], NGX_READ_EVENT, NGX_CLOSE_EVENT); + if (ngx_event_flags & NGX_USE_SIGIO_EVENT) { + if (cycle->connections[fd].read->active) { + ngx_del_conn(&cycle->connections[fd], NGX_CLOSE_EVENT); + } + + } else { + if (cycle->read_events[fd].active) { + ngx_del_event(&cycle->read_events[fd], + NGX_READ_EVENT, NGX_CLOSE_EVENT); + } + } if (ngx_close_socket(ls[i].fd) == -1) { ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c index 077b12092..71a0b0080 100644 --- a/src/core/ngx_cycle.c +++ b/src/core/ngx_cycle.c @@ -23,7 +23,7 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) { void *rv; ngx_uint_t i, n, failed; - ngx_log_t *log, *new_log; + ngx_log_t *log; ngx_conf_t conf; ngx_pool_t *pool; ngx_cycle_t *cycle, **old; @@ -37,16 +37,14 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) if (!(pool = ngx_create_pool(16 * 1024, log))) { return NULL; } + pool->log = log; if (!(cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t)))) { ngx_destroy_pool(pool); return NULL; } cycle->pool = pool; - - pool->log = log; cycle->log = log; - cycle->old_cycle = old_cycle; cycle->conf_file = old_cycle->conf_file; @@ -74,7 +72,7 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) cycle->open_files.pool = pool; - if (!(new_log = ngx_log_create_errlog(cycle, NULL))) { + if (!(cycle->new_log = ngx_log_create_errlog(cycle, NULL))) { ngx_destroy_pool(pool); return NULL; } @@ -127,19 +125,17 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) conf.ctx = cycle->conf_ctx; conf.cycle = cycle; - /* STUB */ conf.pool = cycle->pool; + conf.pool = pool; conf.log = log; conf.module_type = NGX_CORE_MODULE; conf.cmd_type = NGX_MAIN_CONF; - cycle->log = new_log; if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) { ngx_destroy_pool(pool); return NULL; } - cycle->log = log; for (i = 0; ngx_modules[i]; i++) { if (ngx_modules[i]->type != NGX_CORE_MODULE) { @@ -208,8 +204,8 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle) } } - cycle->log = new_log; - pool->log = new_log; + cycle->log = cycle->new_log; + pool->log = cycle->new_log; if (!failed) { if (old_cycle->listening.nelts) { diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h index 1fac10e38..3cecbc53e 100644 --- a/src/core/ngx_cycle.h +++ b/src/core/ngx_cycle.h @@ -9,7 +9,10 @@ struct ngx_cycle_s { void ****conf_ctx; ngx_pool_t *pool; + ngx_log_t *log; + ngx_log_t *new_log; + ngx_array_t listening; ngx_array_t open_files; ngx_array_t pathes; diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c index ace7f33e1..531c86080 100644 --- a/src/core/ngx_log.c +++ b/src/core/ngx_log.c @@ -311,23 +311,6 @@ ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_array_t *args) } -static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_str_t *value; - - value = cf->args->elts; - - if (value[1].len == 6 && ngx_strcmp(value[1].data, "stderr") == 0) { - cf->cycle->log->file = &ngx_stderr; - - } else { - cf->cycle->log->file->name = value[1]; - } - - return ngx_set_error_log_levels(cf, cf->cycle->log); -} - - char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log) { ngx_uint_t i, n, d; @@ -379,3 +362,20 @@ char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log) return NGX_CONF_OK; } + + +static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) +{ + ngx_str_t *value; + + value = cf->args->elts; + + if (value[1].len == 6 && ngx_strcmp(value[1].data, "stderr") == 0) { + cf->cycle->new_log->file = &ngx_stderr; + + } else { + cf->cycle->new_log->file->name = value[1]; + } + + return ngx_set_error_log_levels(cf, cf->cycle->new_log); +} diff --git a/src/event/modules/ngx_devpoll_module.c b/src/event/modules/ngx_devpoll_module.c index 6007c0d98..204bcae21 100644 --- a/src/event/modules/ngx_devpoll_module.c +++ b/src/event/modules/ngx_devpoll_module.c @@ -333,7 +333,7 @@ int ngx_devpoll_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "devpoll expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); } /* NGX_TIMER_INFINITE == INFTIM */ diff --git a/src/event/modules/ngx_epoll_module.c b/src/event/modules/ngx_epoll_module.c index f5bd6e5ba..bc4f7c3b8 100644 --- a/src/event/modules/ngx_epoll_module.c +++ b/src/event/modules/ngx_epoll_module.c @@ -363,7 +363,7 @@ int ngx_epoll_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "epoll expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); } /* NGX_TIMER_INFINITE == INFTIM */ diff --git a/src/event/modules/ngx_kqueue_module.c b/src/event/modules/ngx_kqueue_module.c index 33dd71296..acd92f29a 100644 --- a/src/event/modules/ngx_kqueue_module.c +++ b/src/event/modules/ngx_kqueue_module.c @@ -376,7 +376,7 @@ static ngx_int_t ngx_kqueue_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "kevent expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); /* TODO: if ngx_threaded then wake up the worker thread */ } diff --git a/src/event/modules/ngx_poll_module.c b/src/event/modules/ngx_poll_module.c index 968180dbb..5d4d91f11 100644 --- a/src/event/modules/ngx_poll_module.c +++ b/src/event/modules/ngx_poll_module.c @@ -287,7 +287,7 @@ int ngx_poll_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "poll expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); } /* NGX_TIMER_INFINITE == INFTIM */ diff --git a/src/event/modules/ngx_rtsig_module.c b/src/event/modules/ngx_rtsig_module.c index b55f84c47..172608878 100644 --- a/src/event/modules/ngx_rtsig_module.c +++ b/src/event/modules/ngx_rtsig_module.c @@ -214,7 +214,7 @@ int ngx_rtsig_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "rtsig expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); } expire = 1; diff --git a/src/event/modules/ngx_select_module.c b/src/event/modules/ngx_select_module.c index 91563f275..85f3fcee5 100644 --- a/src/event/modules/ngx_select_module.c +++ b/src/event/modules/ngx_select_module.c @@ -273,7 +273,7 @@ static int ngx_select_process_events(ngx_cycle_t *cycle) ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "select expired timer"); - ngx_event_expire_timers(0); + ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec); } ngx_old_elapsed_msec = ngx_elapsed_msec; diff --git a/src/http/modules/proxy/ngx_http_proxy_handler.c b/src/http/modules/proxy/ngx_http_proxy_handler.c index d7cbf9608..027dc3ccc 100644 --- a/src/http/modules/proxy/ngx_http_proxy_handler.c +++ b/src/http/modules/proxy/ngx_http_proxy_handler.c @@ -428,18 +428,22 @@ void ngx_http_proxy_check_broken_connection(ngx_event_t *ev) err = ngx_socket_errno; + /* + * we do not need to disable the write event because + * that event has NGX_USE_CLEAR_EVENT type + */ + if (ev->write && (n >= 0 || err == NGX_EAGAIN)) { return; } - if (n > 0) { - if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { - if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { - ngx_http_proxy_finalize_request(p, - NGX_HTTP_INTERNAL_SERVER_ERROR); - } + if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) { + if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { + ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR); } + } + if (n > 0) { return; } diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c index 61cf0d54f..7240adc57 100644 --- a/src/os/unix/ngx_process_cycle.c +++ b/src/os/unix/ngx_process_cycle.c @@ -6,6 +6,7 @@ #include +static void ngx_start_worker_processes(ngx_cycle_y *cycle, ngx_int_t n) static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx); static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data); #if (NGX_THREADS) @@ -15,21 +16,253 @@ static int ngx_worker_thread_cycle(void *data); ngx_int_t ngx_process; ngx_pid_t ngx_pid; -ngx_pid_t ngx_new_binary; -ngx_int_t ngx_inherited; ngx_int_t ngx_threaded; sig_atomic_t ngx_reap; sig_atomic_t ngx_timer; sig_atomic_t ngx_terminate; sig_atomic_t ngx_quit; -sig_atomic_t ngx_noaccept; sig_atomic_t ngx_reconfigure; sig_atomic_t ngx_reopen; + sig_atomic_t ngx_change_binary; +ngx_pid_t ngx_new_binary; +ngx_int_t ngx_inherited; + +sig_atomic_t ngx_noaccept; +ngx_uint_t ngx_noaccepting; +ngx_uint_t ngx_restart; -/* TODO: broken NGX_PROCESS_SINGLE */ +void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) +{ + int signo; + sigset_t set; + struct timeval tv; + struct itimerval itv; + ngx_uint_t i, live; + ngx_msec_t delay; + ngx_core_conf_t *ccf; + + sigemptyset(&set); + sigaddset(&set, SIGCHLD); + sigaddset(&set, SIGALRM); + 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); + + ngx_setproctitle("master process"); + + ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); + + ngx_start_worker_processes(ccf->worker_processes); + + ngx_new_binary = 0; + delay = 0; + signo = 0; + live = 1; + + for ( ;; ) { + if (delay) { + delay *= 2; + + ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, + "temination cycle: %d", 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_gettimeofday(&tv); + ngx_time_update(tv.tv_sec); + + ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up"); + + if (ngx_reap) { + ngx_reap = 0; + ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs"); + + live = 0; + for (i = 0; i < ngx_last_process; i++) { + + ngx_log_debug5(NGX_LOG_DEBUG_EVENT, cycle->log, 0, + "child: " PID_T_FMT " e:%d t:%d d:%d r:%d", + ngx_processes[i].pid, + ngx_processes[i].exiting, + ngx_processes[i].exited, + ngx_processes[i].detached, + ngx_processes[i].respawn); + + if (ngx_processes[i].exited) { + + 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_ERROR) + { + ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, + "can not respawn %s", + ngx_processes[i].name); + continue; + } + + live = 1; + + continue; + } + + if (ngx_processes[i].pid == ngx_new_binary) { + ngx_new_binary = 0; + if (ngx_noaccepting) { + ngx_restart = 1; + ngx_noaccepting = 0; + } + } + + if (i != --ngx_last_process) { + ngx_processes[i--] = ngx_processes[ngx_last_process]; + } + + } else if (ngx_processes[i].exiting + || !ngx_processes[i].detached) + { + live = 1; + } + } + } + + if (!live && (ngx_terminate || ngx_quit)) { + ngx_master_exit(cycle, ctx); + } + + if (ngx_terminate) { + if (delay == 0) { + delay = 50; + } + + if (delay > 1000) { + signo = SIGKILL; + } else { + signo = ngx_signal_value(NGX_TERMINATE_SIGNAL); + } + + } else if (ngx_quit) { + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); + + } else if (ngx_timer) { + ngx_start_worker_processes(ccf->worker_processes); + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); + + } else if (ngx_reconfigure) { + ngx_log_error(NGX_LOG_INFO, 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(ccf->worker_processes); + + ngx_reconfigure = 0; + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); + + } else if (ngx_restart) { + ngx_start_worker_processes(ccf->worker_processes); + ngx_restart = 0; + + } else if (ngx_reopen) { + if (ngx_process == NGX_PROCESS_MASTER) { + signo = ngx_signal_value(NGX_REOPEN_SIGNAL); + ngx_reopen = 0; + + } else { /* NGX_PROCESS_SINGLE */ + ngx_reopen = 0; + } + + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, + "reopening logs"); + ngx_reopen_files(cycle, ccf->user); + + } else if (ngx_change_binary) { + ngx_change_binary = 0; + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, + "changing binary"); + ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv); + + } else if (ngx_noaccept) { + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); + } + } + + if (signo) { + for (i = 0; i < ngx_last_process; i++) { + + if (ngx_processes[i].detached) { + continue; + } + + ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, + "kill (" PID_T_FMT ", %d)" , + ngx_processes[i].pid, signo); + + if (kill(ngx_processes[i].pid, signo) == -1) { + ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, + "kill(%d, %d) failed", + ngx_processes[i].pid, signo); + continue; + } + + if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { + ngx_processes[i].exiting = 1; + } + } + + signo = 0; + } + + + + + + + + + + + } +} + void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) { @@ -238,26 +471,20 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) } else if (ngx_timer) { signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); - } else { + } else if (ngx_reconfigure) { + ngx_reconfigure = 0; + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reconfiguring"); - if (ngx_noaccept) { - signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); + cycle = ngx_init_cycle(cycle); + if (cycle == NULL) { + cycle = (ngx_cycle_t *) ngx_cycle; + continue; } - if (ngx_change_binary) { - ngx_change_binary = 0; - ngx_log_error(NGX_LOG_INFO, cycle->log, 0, - "changing binary"); - ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv); - } + ngx_cycle = cycle; + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); - if (ngx_reconfigure) { - signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); - ngx_log_error(NGX_LOG_INFO, cycle->log, 0, - "reconfiguring"); - } - - if (ngx_reopen) { + } else if (ngx_reopen) { if (ngx_process == NGX_PROCESS_MASTER) { signo = ngx_signal_value(NGX_REOPEN_SIGNAL); ngx_reopen = 0; @@ -269,6 +496,15 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopening logs"); ngx_reopen_files(cycle, ccf->user); + + } else if (ngx_change_binary) { + ngx_change_binary = 0; + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, + "changing binary"); + ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv); + + } else if (ngx_noaccept) { + signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL); } } @@ -330,6 +566,35 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) } +static void ngx_start_worker_processes(ngx_cycle_y *cycle, ngx_int_t n) +{ + struct itimerval itv; + + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "start worker processes"); + + while (n--) { + ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL, + "worker process", NGX_PROCESS_RESPAWN); + } + + /* + * we have to limit the maximum life time of the worker processes + * by 10 days because our millisecond event timer is limited + * by 24 days on 32-bit platforms + */ + + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 0; + itv.it_value.tv_sec = 10 * 24 * 60 * 60; + itv.it_value.tv_usec = 0; + + if (setitimer(ITIMER_REAL, &itv, NULL) == -1) { + ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, + "setitimer() failed"); + } +} + + static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx) { ngx_delete_pidfile(cycle);