2004-03-04 15:04:55 +08:00
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_event.h>
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2004-04-10 00:03:04 +08:00
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#include <nginx.h>
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
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ngx_int_t type);
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static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo);
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2004-06-23 13:54:27 +08:00
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static ngx_uint_t ngx_reap_childs(ngx_cycle_t *cycle);
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2004-03-04 15:04:55 +08:00
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static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
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static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
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2004-06-15 15:55:11 +08:00
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static void ngx_channel_handler(ngx_event_t *ev);
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2004-03-04 15:04:55 +08:00
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#if (NGX_THREADS)
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static int ngx_worker_thread_cycle(void *data);
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#endif
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2004-04-26 04:13:21 +08:00
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ngx_uint_t ngx_process;
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2004-03-04 15:04:55 +08:00
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ngx_pid_t ngx_pid;
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2004-04-26 04:13:21 +08:00
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ngx_uint_t ngx_threaded;
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2004-03-04 15:04:55 +08:00
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sig_atomic_t ngx_reap;
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sig_atomic_t ngx_timer;
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2004-06-15 15:55:11 +08:00
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sig_atomic_t ngx_sigio;
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2004-03-04 15:04:55 +08:00
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sig_atomic_t ngx_terminate;
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sig_atomic_t ngx_quit;
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2004-04-26 04:13:21 +08:00
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ngx_uint_t ngx_exiting;
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2004-03-04 15:04:55 +08:00
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sig_atomic_t ngx_reconfigure;
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sig_atomic_t ngx_reopen;
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2004-04-15 23:34:36 +08:00
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2004-03-04 15:04:55 +08:00
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sig_atomic_t ngx_change_binary;
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2004-04-15 23:34:36 +08:00
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ngx_pid_t ngx_new_binary;
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2004-04-26 04:13:21 +08:00
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ngx_uint_t ngx_inherited;
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2004-04-15 23:34:36 +08:00
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sig_atomic_t ngx_noaccept;
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ngx_uint_t ngx_noaccepting;
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ngx_uint_t ngx_restart;
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2004-04-26 04:13:21 +08:00
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u_char master_process[] = "master process";
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2004-04-15 23:34:36 +08:00
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void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
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{
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2004-04-29 04:21:54 +08:00
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char *title;
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u_char *p;
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2004-04-26 04:13:21 +08:00
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size_t size;
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2004-06-23 13:54:27 +08:00
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ngx_int_t i;
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2004-04-15 23:34:36 +08:00
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sigset_t set;
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struct timeval tv;
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struct itimerval itv;
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2004-04-16 13:14:16 +08:00
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ngx_uint_t live;
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2004-04-15 23:34:36 +08:00
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ngx_msec_t delay;
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ngx_core_conf_t *ccf;
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sigemptyset(&set);
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sigaddset(&set, SIGCHLD);
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sigaddset(&set, SIGALRM);
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2004-06-15 15:55:11 +08:00
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sigaddset(&set, SIGIO);
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2004-04-15 23:34:36 +08:00
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sigaddset(&set, SIGINT);
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sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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"sigprocmask() failed");
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}
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sigemptyset(&set);
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2004-04-26 04:13:21 +08:00
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size = sizeof(master_process);
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2004-06-23 13:54:27 +08:00
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for (i = 0; i < ctx->argc; i++) {
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size += ngx_strlen(ctx->argv[i]) + 1;
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2004-04-26 04:13:21 +08:00
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}
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title = ngx_palloc(cycle->pool, size);
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p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2004-06-23 13:54:27 +08:00
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for (i = 0; i < ctx->argc; i++) {
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2004-04-26 04:13:21 +08:00
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*p++ = ' ';
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2004-06-23 13:54:27 +08:00
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p = ngx_cpystrn(p, (u_char *) ctx->argv[i], size);
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2004-04-26 04:13:21 +08:00
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}
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ngx_setproctitle(title);
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2004-04-15 23:34:36 +08:00
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ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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2004-04-16 13:14:16 +08:00
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ngx_start_worker_processes(cycle, ccf->worker_processes,
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NGX_PROCESS_RESPAWN);
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2004-04-15 23:34:36 +08:00
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ngx_new_binary = 0;
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delay = 0;
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live = 1;
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for ( ;; ) {
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if (delay) {
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delay *= 2;
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ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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"temination cycle: %d", delay);
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itv.it_interval.tv_sec = 0;
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itv.it_interval.tv_usec = 0;
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itv.it_value.tv_sec = delay / 1000;
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itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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"setitimer() failed");
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}
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}
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ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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sigsuspend(&set);
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ngx_gettimeofday(&tv);
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ngx_time_update(tv.tv_sec);
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ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
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if (ngx_reap) {
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ngx_reap = 0;
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ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
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2004-06-23 13:54:27 +08:00
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live = ngx_reap_childs(cycle);
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2004-04-15 23:34:36 +08:00
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}
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if (!live && (ngx_terminate || ngx_quit)) {
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ngx_master_exit(cycle, ctx);
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}
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if (ngx_terminate) {
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if (delay == 0) {
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delay = 50;
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}
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if (delay > 1000) {
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2004-04-16 13:14:16 +08:00
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ngx_signal_worker_processes(cycle, SIGKILL);
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2004-04-15 23:34:36 +08:00
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} else {
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2004-04-16 13:14:16 +08:00
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_TERMINATE_SIGNAL));
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2004-04-15 23:34:36 +08:00
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}
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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continue;
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}
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if (ngx_quit) {
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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continue;
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}
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2004-04-15 23:34:36 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_timer) {
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ngx_timer = 0;
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ngx_start_worker_processes(cycle, ccf->worker_processes,
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NGX_PROCESS_JUST_RESPAWN);
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live = 1;
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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}
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2004-04-15 23:34:36 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_reconfigure) {
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ngx_reconfigure = 0;
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2004-04-29 04:21:54 +08:00
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if (ngx_new_binary) {
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "start new workers");
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ngx_start_worker_processes(cycle, ccf->worker_processes,
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NGX_PROCESS_JUST_RESPAWN);
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continue;
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}
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2004-04-15 23:34:36 +08:00
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reconfiguring");
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cycle = ngx_init_cycle(cycle);
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if (cycle == NULL) {
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cycle = (ngx_cycle_t *) ngx_cycle;
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continue;
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}
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ngx_cycle = cycle;
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ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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ngx_core_module);
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2004-04-16 13:14:16 +08:00
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ngx_start_worker_processes(cycle, ccf->worker_processes,
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NGX_PROCESS_JUST_RESPAWN);
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live = 1;
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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}
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2004-04-15 23:34:36 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_restart) {
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2004-04-15 23:34:36 +08:00
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ngx_restart = 0;
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2004-04-16 13:14:16 +08:00
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ngx_start_worker_processes(cycle, ccf->worker_processes,
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NGX_PROCESS_RESPAWN);
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live = 1;
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2004-04-15 23:34:36 +08:00
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}
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2004-04-16 13:14:16 +08:00
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if (ngx_reopen) {
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ngx_reopen = 0;
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopening logs");
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ngx_reopen_files(cycle, ccf->user);
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_REOPEN_SIGNAL));
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2004-04-15 23:34:36 +08:00
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}
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2004-04-16 13:14:16 +08:00
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if (ngx_change_binary) {
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ngx_change_binary = 0;
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "changing binary");
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ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv);
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}
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2004-04-15 23:34:36 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_noaccept) {
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ngx_noaccept = 0;
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ngx_noaccepting = 1;
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ngx_signal_worker_processes(cycle,
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ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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}
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2004-04-15 23:34:36 +08:00
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}
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}
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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void ngx_single_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
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2004-03-04 15:04:55 +08:00
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{
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2004-04-16 13:14:16 +08:00
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ngx_uint_t i;
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2004-03-04 15:04:55 +08:00
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2004-04-26 21:40:01 +08:00
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#if 0
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2004-04-16 13:14:16 +08:00
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ngx_setproctitle("single worker process");
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2004-04-26 21:40:01 +08:00
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#endif
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2004-03-19 13:25:53 +08:00
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2004-04-16 13:14:16 +08:00
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ngx_init_temp_number();
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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for (i = 0; ngx_modules[i]; i++) {
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if (ngx_modules[i]->init_process) {
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if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
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/* fatal */
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exit(2);
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2004-03-04 15:04:55 +08:00
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}
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}
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2004-04-16 13:14:16 +08:00
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}
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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for ( ;; ) {
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ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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ngx_process_events(cycle);
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_terminate || ngx_quit) {
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ngx_master_exit(cycle, ctx);
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}
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_reconfigure) {
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ngx_reconfigure = 0;
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reconfiguring");
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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cycle = ngx_init_cycle(cycle);
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if (cycle == NULL) {
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cycle = (ngx_cycle_t *) ngx_cycle;
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continue;
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2004-03-04 15:04:55 +08:00
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}
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2004-04-16 13:14:16 +08:00
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ngx_cycle = cycle;
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}
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2004-03-04 15:04:55 +08:00
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2004-04-16 13:14:16 +08:00
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if (ngx_reopen) {
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ngx_reopen = 0;
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopening logs");
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ngx_reopen_files(cycle, (ngx_uid_t) -1);
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2004-03-04 15:04:55 +08:00
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}
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}
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}
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2004-04-16 13:14:16 +08:00
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static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
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ngx_int_t type)
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2004-04-15 23:34:36 +08:00
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{
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2004-06-19 00:22:16 +08:00
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ngx_int_t i;
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ngx_channel_t ch;
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2004-04-15 23:34:36 +08:00
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struct itimerval itv;
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "start worker processes");
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2004-06-19 00:22:16 +08:00
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ch.command = NGX_CMD_OPEN_CHANNEL;
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2004-04-15 23:34:36 +08:00
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while (n--) {
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ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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2004-04-16 13:14:16 +08:00
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"worker process", type);
|
2004-06-19 00:22:16 +08:00
|
|
|
|
|
|
|
ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
|
ch.slot = ngx_process_slot;
|
|
|
|
ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
|
|
|
|
|
for (i = 0; i < ngx_last_process - 1; i++) {
|
|
|
|
|
2004-06-23 13:54:27 +08:00
|
|
|
ngx_log_debug4(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
|
"pass channel s: %d pid:" PID_T_FMT " fd:%d to:"
|
|
|
|
PID_T_FMT, ch.slot, ch.pid, ch.fd, ngx_processes[i].pid);
|
2004-06-19 00:22:16 +08:00
|
|
|
|
|
|
|
/* TODO: NGX_AGAIN */
|
|
|
|
|
|
|
|
ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
|
&ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
|
}
|
2004-04-15 23:34:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-06-19 00:22:16 +08:00
|
|
|
|
2004-04-16 13:14:16 +08:00
|
|
|
static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
|
|
{
|
2004-06-15 15:55:11 +08:00
|
|
|
ngx_int_t i;
|
|
|
|
ngx_err_t err;
|
|
|
|
ngx_channel_t ch;
|
|
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
ch.fd = -1;
|
|
|
|
|
2004-04-16 13:14:16 +08:00
|
|
|
|
|
|
|
for (i = 0; i < ngx_last_process; i++) {
|
|
|
|
|
|
|
|
if (ngx_processes[i].detached) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ngx_processes[i].just_respawn) {
|
|
|
|
ngx_processes[i].just_respawn = 0;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ngx_processes[i].exiting
|
|
|
|
&& signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
|
{
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-04-16 13:14:16 +08:00
|
|
|
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) {
|
2004-04-20 15:00:43 +08:00
|
|
|
err = ngx_errno;
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
2004-04-16 13:14:16 +08:00
|
|
|
"kill(%d, %d) failed",
|
|
|
|
ngx_processes[i].pid, signo);
|
2004-04-20 15:00:43 +08:00
|
|
|
|
|
|
|
if (err == NGX_ESRCH) {
|
|
|
|
ngx_processes[i].exited = 1;
|
|
|
|
ngx_processes[i].exiting = 0;
|
|
|
|
ngx_reap = 1;
|
|
|
|
}
|
|
|
|
|
2004-04-16 13:14:16 +08:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
|
ngx_processes[i].exiting = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-04-15 23:34:36 +08:00
|
|
|
|
2004-06-23 13:54:27 +08:00
|
|
|
static ngx_uint_t ngx_reap_childs(ngx_cycle_t *cycle)
|
|
|
|
{
|
|
|
|
ngx_int_t i, n;
|
|
|
|
ngx_uint_t live;
|
|
|
|
ngx_channel_t ch;
|
|
|
|
|
|
|
|
ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
|
ch.fd = -1;
|
|
|
|
|
|
|
|
live = 0;
|
|
|
|
for (i = 0; i < ngx_last_process; i++) {
|
|
|
|
|
|
|
|
ngx_log_debug6(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
|
"child: " PID_T_FMT " e:%d t:%d d:%d r:%d j:%d",
|
|
|
|
ngx_processes[i].pid,
|
|
|
|
ngx_processes[i].exiting,
|
|
|
|
ngx_processes[i].exited,
|
|
|
|
ngx_processes[i].detached,
|
|
|
|
ngx_processes[i].respawn,
|
|
|
|
ngx_processes[i].just_respawn);
|
|
|
|
|
|
|
|
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].channel[0] == -1)
|
|
|
|
{
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
|
"pass close channel s: %d pid:" PID_T_FMT
|
|
|
|
" to:" PID_T_FMT, 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_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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return live;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
|
|
|
|
{
|
2004-04-12 14:10:53 +08:00
|
|
|
ngx_delete_pidfile(cycle);
|
2004-03-04 15:04:55 +08:00
|
|
|
|
|
|
|
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exit");
|
2004-04-12 14:10:53 +08:00
|
|
|
|
2004-04-20 15:00:43 +08:00
|
|
|
ngx_destroy_pool(cycle->pool);
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
|
|
{
|
2004-06-15 15:55:11 +08:00
|
|
|
sigset_t set;
|
|
|
|
ngx_int_t n;
|
|
|
|
ngx_uint_t i;
|
|
|
|
ngx_listening_t *ls;
|
|
|
|
ngx_core_conf_t *ccf;
|
|
|
|
ngx_connection_t *c;
|
2004-03-04 15:04:55 +08:00
|
|
|
#if (NGX_THREADS)
|
2004-06-15 15:55:11 +08:00
|
|
|
ngx_tid_t tid;
|
2004-03-04 15:04:55 +08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
ngx_process = NGX_PROCESS_WORKER;
|
|
|
|
|
|
|
|
ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
|
|
|
|
|
if (ccf->group != (gid_t) NGX_CONF_UNSET) {
|
2004-06-15 15:55:11 +08:00
|
|
|
if (setgid(ccf->group) == -1) {
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
|
"setgid(%d) failed", ccf->group);
|
|
|
|
/* fatal */
|
|
|
|
exit(2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
if (ccf->user != (uid_t) NGX_CONF_UNSET) {
|
2004-03-04 15:04:55 +08:00
|
|
|
if (setuid(ccf->user) == -1) {
|
|
|
|
ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
|
"setuid(%d) failed", ccf->user);
|
|
|
|
/* fatal */
|
|
|
|
exit(2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#if (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
|
|
|
|
|
|
|
|
sigemptyset(&set);
|
|
|
|
|
|
|
|
if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
|
"sigprocmask() failed");
|
|
|
|
}
|
|
|
|
|
|
|
|
ngx_init_temp_number();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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].remain = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; ngx_modules[i]; i++) {
|
|
|
|
if (ngx_modules[i]->init_process) {
|
|
|
|
if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
|
/* fatal */
|
2004-03-05 00:34:23 +08:00
|
|
|
exit(2);
|
2004-03-04 15:04:55 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-06-16 01:47:16 +08:00
|
|
|
for (n = 0; n <= ngx_last_process; n++) {
|
2004-06-15 15:55:11 +08:00
|
|
|
|
2004-06-19 00:22:16 +08:00
|
|
|
if (n == ngx_process_slot) {
|
2004-06-16 01:47:16 +08:00
|
|
|
if (close(ngx_processes[n].channel[0]) == -1) {
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
|
"close() failed");
|
|
|
|
}
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
|
"close() failed");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
ngx_last_process = 0;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
c = &cycle->connections[ngx_channel];
|
|
|
|
ngx_memzero(c, sizeof(ngx_connection_t));
|
|
|
|
|
|
|
|
c->fd = ngx_channel;
|
|
|
|
c->pool = cycle->pool;
|
|
|
|
c->read = &cycle->read_events[ngx_channel];
|
|
|
|
c->write = &cycle->write_events[ngx_channel];
|
|
|
|
|
|
|
|
ngx_memzero(c->read, sizeof(ngx_event_t));
|
|
|
|
ngx_memzero(c->write, sizeof(ngx_event_t));
|
|
|
|
|
|
|
|
c->log = cycle->log;
|
|
|
|
c->read->log = cycle->log;
|
|
|
|
c->write->log = cycle->log;
|
|
|
|
c->read->index = NGX_INVALID_INDEX;
|
|
|
|
c->write->index = NGX_INVALID_INDEX;
|
|
|
|
c->read->data = c;
|
|
|
|
c->write->data = c;
|
|
|
|
c->read->event_handler = ngx_channel_handler;
|
|
|
|
|
|
|
|
if (ngx_add_conn) {
|
|
|
|
if (ngx_add_conn(c) == NGX_ERROR) {
|
|
|
|
/* fatal */
|
|
|
|
exit(2);
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
if (ngx_add_event(c->read, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
|
|
/* fatal */
|
|
|
|
exit(2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_setproctitle("worker process");
|
|
|
|
|
|
|
|
#if (NGX_THREADS)
|
|
|
|
|
|
|
|
if (ngx_init_threads(5, 128 * 1024 * 1024, cycle) == NGX_ERROR) {
|
|
|
|
/* fatal */
|
2004-03-05 00:34:23 +08:00
|
|
|
exit(2);
|
2004-03-04 15:04:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < 1; i++) {
|
|
|
|
if (ngx_create_thread(&tid, ngx_worker_thread_cycle,
|
|
|
|
cycle, cycle->log) != 0)
|
|
|
|
{
|
|
|
|
/* fatal */
|
2004-03-05 00:34:23 +08:00
|
|
|
exit(2);
|
2004-03-04 15:04:55 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
for ( ;; ) {
|
2004-04-26 04:13:21 +08:00
|
|
|
if (ngx_exiting
|
|
|
|
&& ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
|
|
|
|
{
|
2004-04-20 15:00:43 +08:00
|
|
|
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
|
2004-06-04 22:57:33 +08:00
|
|
|
/*
|
|
|
|
* we do not destroy cycle->pool here because a signal handler
|
|
|
|
* that uses cycle->log can be called at this point
|
|
|
|
*/
|
2004-04-20 15:00:43 +08:00
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
|
|
2004-03-31 23:26:46 +08:00
|
|
|
ngx_process_events(cycle);
|
2004-03-04 15:04:55 +08:00
|
|
|
|
|
|
|
if (ngx_terminate) {
|
|
|
|
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "exiting");
|
2004-06-04 22:57:33 +08:00
|
|
|
/*
|
|
|
|
* we do not destroy cycle->pool here because a signal handler
|
|
|
|
* that uses cycle->log can be called at this point
|
|
|
|
*/
|
2004-03-04 15:04:55 +08:00
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ngx_quit) {
|
2004-04-22 02:54:33 +08:00
|
|
|
ngx_quit = 0;
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
|
|
|
|
"gracefully shutting down");
|
|
|
|
ngx_setproctitle("worker process is shutting down");
|
|
|
|
|
2004-04-26 04:13:21 +08:00
|
|
|
if (!ngx_exiting) {
|
2004-04-20 15:00:43 +08:00
|
|
|
ngx_close_listening_sockets(cycle);
|
2004-04-26 04:13:21 +08:00
|
|
|
ngx_exiting = 1;
|
2004-04-20 15:00:43 +08:00
|
|
|
}
|
2004-03-04 15:04:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (ngx_reopen) {
|
2004-04-22 02:54:33 +08:00
|
|
|
ngx_reopen = 0;
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reopen logs");
|
|
|
|
ngx_reopen_files(cycle, -1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
static void ngx_channel_handler(ngx_event_t *ev)
|
|
|
|
{
|
|
|
|
ngx_int_t n;
|
|
|
|
ngx_channel_t ch;
|
|
|
|
ngx_connection_t *c;
|
|
|
|
|
|
|
|
c = ev->data;
|
|
|
|
|
2004-06-17 03:36:07 +08:00
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
|
|
2004-06-17 03:36:07 +08:00
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %d", n);
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
if (n <= 0) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2004-06-17 03:36:07 +08:00
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
|
"channel command: %d", ch.command);
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
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;
|
2004-06-19 00:22:16 +08:00
|
|
|
|
|
|
|
case NGX_CMD_OPEN_CHANNEL:
|
|
|
|
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
|
"get channel s:%d pid:" PID_T_FMT " fd:%d",
|
|
|
|
ch.slot, ch.pid, ch.fd);
|
|
|
|
|
|
|
|
ngx_processes[ch.slot].pid = ch.pid;
|
|
|
|
ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
|
break;
|
2004-06-23 13:54:27 +08:00
|
|
|
|
|
|
|
case NGX_CMD_CLOSE_CHANNEL:
|
|
|
|
|
|
|
|
ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
|
"close channel s:%d pid:" PID_T_FMT " our:" PID_T_FMT
|
|
|
|
" 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() failed");
|
|
|
|
}
|
|
|
|
|
|
|
|
ngx_processes[ch.slot].channel[0] = -1;
|
|
|
|
break;
|
2004-06-15 15:55:11 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
#if (NGX_THREADS)
|
|
|
|
|
|
|
|
int ngx_worker_thread_cycle(void *data)
|
|
|
|
{
|
|
|
|
ngx_cycle_t *cycle = data;
|
|
|
|
|
2004-03-05 00:34:23 +08:00
|
|
|
ngx_err_t err;
|
|
|
|
sigset_t set;
|
2004-03-04 15:04:55 +08:00
|
|
|
struct timeval tv;
|
|
|
|
|
2004-03-05 00:34:23 +08:00
|
|
|
sigfillset(&set);
|
|
|
|
sigdelset(&set, SIGALRM);
|
|
|
|
sigdelset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
|
|
|
|
sigdelset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
|
|
|
|
|
|
|
|
err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
|
if (err) {
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
|
ngx_thread_sigmask_n " failed");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
/* STUB */
|
|
|
|
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, ngx_errno,
|
|
|
|
"thread %d started", ngx_thread_self());
|
|
|
|
|
|
|
|
ngx_setproctitle("worker thread");
|
|
|
|
|
|
|
|
sleep(5);
|
|
|
|
|
|
|
|
ngx_gettimeofday(&tv);
|
|
|
|
ngx_time_update(tv.tv_sec);
|
|
|
|
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, ngx_errno,
|
|
|
|
"thread %d done", ngx_thread_self());
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
|
|
|
|
ngx_int_t ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
|
|
|
|
ngx_log_t *log)
|
|
|
|
{
|
2004-06-21 03:54:15 +08:00
|
|
|
ssize_t n;
|
|
|
|
ngx_err_t err;
|
|
|
|
struct iovec iov[1];
|
|
|
|
struct msghdr msg;
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
#if (HAVE_MSGHDR_MSG_CONTROL)
|
|
|
|
|
2004-06-21 03:54:15 +08:00
|
|
|
union {
|
|
|
|
struct cmsghdr cm;
|
|
|
|
char space[CMSG_SPACE(sizeof(int))];
|
|
|
|
} cmsg;
|
|
|
|
|
2004-06-15 15:55:11 +08:00
|
|
|
if (ch->fd == -1) {
|
|
|
|
msg.msg_control = NULL;
|
|
|
|
msg.msg_controllen = 0;
|
|
|
|
|
|
|
|
} else {
|
2004-06-21 03:54:15 +08:00
|
|
|
msg.msg_control = (caddr_t) &cmsg;
|
|
|
|
msg.msg_controllen = sizeof(cmsg);
|
2004-06-15 15:55:11 +08:00
|
|
|
|
2004-06-21 03:54:15 +08:00
|
|
|
cmsg.cm.cmsg_len = sizeof(cmsg);
|
|
|
|
cmsg.cm.cmsg_level = SOL_SOCKET;
|
|
|
|
cmsg.cm.cmsg_type = SCM_RIGHTS;
|
2004-06-21 23:59:32 +08:00
|
|
|
*(int *) CMSG_DATA(&cmsg.cm) = ch->fd;
|
2004-06-15 15:55:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
#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;
|
|
|
|
|
2004-06-19 00:22:16 +08:00
|
|
|
n = sendmsg(s, &msg, 0);
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
2004-06-21 03:54:15 +08:00
|
|
|
ssize_t n;
|
|
|
|
ngx_err_t err;
|
|
|
|
struct iovec iov[1];
|
|
|
|
struct msghdr msg;
|
|
|
|
|
|
|
|
#if (HAVE_MSGHDR_MSG_CONTROL)
|
|
|
|
union {
|
|
|
|
struct cmsghdr cm;
|
|
|
|
char space[CMSG_SPACE(sizeof(int))];
|
|
|
|
} cmsg;
|
|
|
|
#else
|
|
|
|
int fd;
|
|
|
|
#endif
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
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 (HAVE_MSGHDR_MSG_CONTROL)
|
2004-06-21 03:54:15 +08:00
|
|
|
msg.msg_control = (caddr_t) &cmsg;
|
|
|
|
msg.msg_controllen = sizeof(cmsg);
|
2004-06-15 15:55:11 +08:00
|
|
|
#else
|
|
|
|
msg.msg_accrights = (caddr_t) &fd;
|
|
|
|
msg.msg_accrightslen = sizeof(int);
|
|
|
|
#endif
|
|
|
|
|
2004-06-19 00:22:16 +08:00
|
|
|
n = recvmsg(s, &msg, 0);
|
2004-06-15 15:55:11 +08:00
|
|
|
|
|
|
|
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 ((size_t) n < sizeof(ngx_channel_t)) {
|
|
|
|
ngx_log_error(NGX_LOG_ALERT, log, 0,
|
|
|
|
"recvmsg() returned not enough data");
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if (HAVE_MSGHDR_MSG_CONTROL)
|
|
|
|
|
|
|
|
if (ch->command == NGX_CMD_OPEN_CHANNEL) {
|
|
|
|
|
2004-06-21 03:54:15 +08:00
|
|
|
if (cmsg.cm.cmsg_len < sizeof(cmsg)) {
|
2004-06-15 15:55:11 +08:00
|
|
|
ngx_log_error(NGX_LOG_ALERT, log, 0,
|
|
|
|
"recvmsg() returned too small ancillary data");
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
2004-06-21 03:54:15 +08:00
|
|
|
if (cmsg.cm.cmsg_level != SOL_SOCKET || cmsg.cm.cmsg_type != SCM_RIGHTS)
|
|
|
|
{
|
2004-06-15 15:55:11 +08:00
|
|
|
ngx_log_error(NGX_LOG_ALERT, log, 0,
|
|
|
|
"recvmsg() returned invalid ancillary data "
|
2004-06-21 03:54:15 +08:00
|
|
|
"level %d or type %d",
|
|
|
|
cmsg.cm.cmsg_level, cmsg.cm.cmsg_type);
|
2004-06-15 15:55:11 +08:00
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
2004-06-21 23:59:32 +08:00
|
|
|
ch->fd = *(int *) CMSG_DATA(&cmsg.cm);
|
2004-06-15 15:55:11 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
}
|