Mercurial > hg > nginx
annotate src/os/unix/ngx_process_cycle.c @ 3293:8abb88374c6c
Fix a bug introduced in r2032: After a child process has read a terminate
message from a channel, the process tries to read the channel again.
The kernel (at least FreeBSD) may preempt the process and sends a SIGIO
signal to a master process. The master process sends a new terminate message,
the kernel switches again to the the child process, and the child process
reads the messages instead of an EAGAIN error. And this may repeat over
and over. Being that the child process can not exit the cycle and test
the termination flag set by the message handler.
The fix disallow the master process to send a new terminate message on
SIGIO signal reception. It may send the message only on SIGALARM signal.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 04 Nov 2009 19:41:08 +0000 |
parents | a7491af45540 |
children | 6832c7f5e189 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_channel.h> |
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11 |
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12 |
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13 static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, |
501 | 14 ngx_int_t type); |
3018 | 15 static void ngx_start_cache_manager_processes(ngx_cycle_t *cycle, |
16 ngx_uint_t respawn); | |
17 static void ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch); | |
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18 static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo); |
1565 | 19 static ngx_uint_t ngx_reap_children(ngx_cycle_t *cycle); |
573 | 20 static void ngx_master_process_exit(ngx_cycle_t *cycle); |
278
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21 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data); |
473 | 22 static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority); |
573 | 23 static void ngx_worker_process_exit(ngx_cycle_t *cycle); |
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24 static void ngx_channel_handler(ngx_event_t *ev); |
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25 #if (NGX_THREADS) |
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26 static void ngx_wakeup_worker_threads(ngx_cycle_t *cycle); |
563 | 27 static ngx_thread_value_t ngx_worker_thread_cycle(void *data); |
278
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28 #endif |
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29 static void ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data); |
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30 static void ngx_cache_manager_process_handler(ngx_event_t *ev); |
3018 | 31 static void ngx_cache_loader_process_handler(ngx_event_t *ev); |
278
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32 |
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33 |
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34 ngx_uint_t ngx_process; |
278
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35 ngx_pid_t ngx_pid; |
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36 ngx_uint_t ngx_threaded; |
278
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37 |
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38 sig_atomic_t ngx_reap; |
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39 sig_atomic_t ngx_sigio; |
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40 sig_atomic_t ngx_sigalrm; |
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41 sig_atomic_t ngx_terminate; |
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42 sig_atomic_t ngx_quit; |
477 | 43 sig_atomic_t ngx_debug_quit; |
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44 ngx_uint_t ngx_exiting; |
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45 sig_atomic_t ngx_reconfigure; |
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46 sig_atomic_t ngx_reopen; |
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47 |
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48 sig_atomic_t ngx_change_binary; |
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49 ngx_pid_t ngx_new_binary; |
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50 ngx_uint_t ngx_inherited; |
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51 ngx_uint_t ngx_daemonized; |
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52 |
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53 sig_atomic_t ngx_noaccept; |
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54 ngx_uint_t ngx_noaccepting; |
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55 ngx_uint_t ngx_restart; |
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56 |
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57 |
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58 #if (NGX_THREADS) |
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59 volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS]; |
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60 ngx_int_t ngx_threads_n; |
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61 #endif |
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62 |
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63 |
577 | 64 u_long cpu_affinity; |
65 static u_char master_process[] = "master process"; | |
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66 |
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67 |
3018 | 68 static ngx_cache_manager_ctx_t ngx_cache_manager_ctx = { |
69 ngx_cache_manager_process_handler, "cache manager process", 0 | |
70 }; | |
71 | |
72 static ngx_cache_manager_ctx_t ngx_cache_loader_ctx = { | |
73 ngx_cache_loader_process_handler, "cache loader process", 60000 | |
74 }; | |
75 | |
76 | |
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77 static ngx_cycle_t ngx_exit_cycle; |
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78 static ngx_log_t ngx_exit_log; |
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79 static ngx_open_file_t ngx_exit_log_file; |
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80 |
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81 |
501 | 82 void |
83 ngx_master_process_cycle(ngx_cycle_t *cycle) | |
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84 { |
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85 char *title; |
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86 u_char *p; |
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87 size_t size; |
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88 ngx_int_t i; |
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89 ngx_uint_t n, sigio; |
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90 sigset_t set; |
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91 struct itimerval itv; |
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92 ngx_uint_t live; |
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93 ngx_msec_t delay; |
531 | 94 ngx_listening_t *ls; |
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95 ngx_core_conf_t *ccf; |
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96 |
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97 sigemptyset(&set); |
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98 sigaddset(&set, SIGCHLD); |
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99 sigaddset(&set, SIGALRM); |
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100 sigaddset(&set, SIGIO); |
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101 sigaddset(&set, SIGINT); |
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102 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL)); |
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103 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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104 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL)); |
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105 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
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106 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
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107 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL)); |
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108 |
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109 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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110 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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111 "sigprocmask() failed"); |
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112 } |
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113 |
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114 sigemptyset(&set); |
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115 |
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116 |
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117 size = sizeof(master_process); |
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118 |
452 | 119 for (i = 0; i < ngx_argc; i++) { |
120 size += ngx_strlen(ngx_argv[i]) + 1; | |
326
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121 } |
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122 |
2049 | 123 title = ngx_pnalloc(cycle->pool, size); |
326
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124 |
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125 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1); |
452 | 126 for (i = 0; i < ngx_argc; i++) { |
326
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127 *p++ = ' '; |
452 | 128 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size); |
326
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129 } |
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130 |
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131 ngx_setproctitle(title); |
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132 |
317
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133 |
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134 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
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135 |
318
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136 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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137 NGX_PROCESS_RESPAWN); |
3018 | 138 ngx_start_cache_manager_processes(cycle, 0); |
317
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139 |
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140 ngx_new_binary = 0; |
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141 delay = 0; |
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142 sigio = 0; |
317
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143 live = 1; |
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144 |
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145 for ( ;; ) { |
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146 if (delay) { |
3048
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147 if (ngx_sigalrm) { |
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148 sigio = 0; |
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149 delay *= 2; |
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150 ngx_sigalrm = 0; |
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151 } |
317
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152 |
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153 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
3046 | 154 "termination cycle: %d", delay); |
317
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155 |
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156 itv.it_interval.tv_sec = 0; |
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157 itv.it_interval.tv_usec = 0; |
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158 itv.it_value.tv_sec = delay / 1000; |
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159 itv.it_value.tv_usec = (delay % 1000 ) * 1000; |
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160 |
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161 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) { |
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162 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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163 "setitimer() failed"); |
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164 } |
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165 } |
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166 |
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167 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend"); |
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168 |
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169 sigsuspend(&set); |
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170 |
563 | 171 ngx_time_update(0, 0); |
317
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172 |
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173 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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174 "wake up, sigio %i", sigio); |
317
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175 |
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176 if (ngx_reap) { |
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177 ngx_reap = 0; |
1565 | 178 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap children"); |
317
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179 |
1565 | 180 live = ngx_reap_children(cycle); |
317
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181 } |
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182 |
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183 if (!live && (ngx_terminate || ngx_quit)) { |
573 | 184 ngx_master_process_exit(cycle); |
317
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185 } |
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186 |
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187 if (ngx_terminate) { |
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188 if (delay == 0) { |
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189 delay = 50; |
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190 } |
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191 |
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192 if (sigio) { |
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193 sigio--; |
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194 continue; |
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195 } |
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196 |
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197 sigio = ccf->worker_processes + 2 /* cache processes */; |
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198 |
317
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199 if (delay > 1000) { |
318
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200 ngx_signal_worker_processes(cycle, SIGKILL); |
317
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201 } else { |
318
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202 ngx_signal_worker_processes(cycle, |
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203 ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
317
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204 } |
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205 |
318
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206 continue; |
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207 } |
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208 |
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209 if (ngx_quit) { |
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210 ngx_signal_worker_processes(cycle, |
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211 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
531 | 212 |
213 ls = cycle->listening.elts; | |
214 for (n = 0; n < cycle->listening.nelts; n++) { | |
215 if (ngx_close_socket(ls[n].fd) == -1) { | |
216 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, | |
217 ngx_close_socket_n " %V failed", | |
218 &ls[n].addr_text); | |
219 } | |
220 } | |
221 cycle->listening.nelts = 0; | |
222 | |
318
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223 continue; |
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224 } |
317
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225 |
318
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226 if (ngx_reconfigure) { |
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227 ngx_reconfigure = 0; |
329
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228 |
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229 if (ngx_new_binary) { |
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230 ngx_start_worker_processes(cycle, ccf->worker_processes, |
449
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|
231 NGX_PROCESS_RESPAWN); |
3018 | 232 ngx_start_cache_manager_processes(cycle, 0); |
449
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233 ngx_noaccepting = 0; |
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234 |
329
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235 continue; |
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236 } |
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237 |
477 | 238 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
317
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239 |
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240 cycle = ngx_init_cycle(cycle); |
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241 if (cycle == NULL) { |
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242 cycle = (ngx_cycle_t *) ngx_cycle; |
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243 continue; |
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244 } |
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245 |
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246 ngx_cycle = cycle; |
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247 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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248 ngx_core_module); |
318
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249 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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250 NGX_PROCESS_JUST_RESPAWN); |
3018 | 251 ngx_start_cache_manager_processes(cycle, 1); |
318
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252 live = 1; |
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253 ngx_signal_worker_processes(cycle, |
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254 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
317
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255 } |
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256 |
318
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257 if (ngx_restart) { |
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258 ngx_restart = 0; |
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259 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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260 NGX_PROCESS_RESPAWN); |
3018 | 261 ngx_start_cache_manager_processes(cycle, 0); |
278
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262 live = 1; |
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263 } |
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264 |
318
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265 if (ngx_reopen) { |
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266 ngx_reopen = 0; |
477 | 267 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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268 ngx_reopen_files(cycle, ccf->user); |
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269 ngx_signal_worker_processes(cycle, |
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270 ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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271 } |
278
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272 |
318
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273 if (ngx_change_binary) { |
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274 ngx_change_binary = 0; |
477 | 275 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary"); |
452 | 276 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv); |
318
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277 } |
317
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278 |
318
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279 if (ngx_noaccept) { |
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280 ngx_noaccept = 0; |
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281 ngx_noaccepting = 1; |
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282 ngx_signal_worker_processes(cycle, |
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283 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
278
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284 } |
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285 } |
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286 } |
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287 |
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288 |
501 | 289 void |
290 ngx_single_process_cycle(ngx_cycle_t *cycle) | |
318
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291 { |
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292 ngx_uint_t i; |
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293 |
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294 for (i = 0; ngx_modules[i]; i++) { |
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295 if (ngx_modules[i]->init_process) { |
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296 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) { |
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297 /* fatal */ |
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298 exit(2); |
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299 } |
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300 } |
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301 } |
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302 |
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303 for ( ;; ) { |
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304 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); |
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305 |
563 | 306 ngx_process_events_and_timers(cycle); |
318
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307 |
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308 if (ngx_terminate || ngx_quit) { |
571 | 309 |
310 for (i = 0; ngx_modules[i]; i++) { | |
311 if (ngx_modules[i]->exit_process) { | |
312 ngx_modules[i]->exit_process(cycle); | |
313 } | |
314 } | |
315 | |
573 | 316 ngx_master_process_exit(cycle); |
318
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317
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|
317 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
318 |
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319 if (ngx_reconfigure) { |
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320 ngx_reconfigure = 0; |
477 | 321 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
318
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|
322 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
323 cycle = ngx_init_cycle(cycle); |
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324 if (cycle == NULL) { |
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325 cycle = (ngx_cycle_t *) ngx_cycle; |
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|
326 continue; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
327 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
328 |
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329 ngx_cycle = cycle; |
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|
330 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
331 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
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|
332 if (ngx_reopen) { |
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diff
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|
333 ngx_reopen = 0; |
477 | 334 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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|
335 ngx_reopen_files(cycle, (ngx_uid_t) -1); |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
336 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
337 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
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changeset
|
338 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
339 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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diff
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|
340 |
501 | 341 static void |
342 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type) | |
317
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diff
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|
343 { |
3018 | 344 ngx_int_t i; |
557 | 345 ngx_channel_t ch; |
317
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346 |
477 | 347 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); |
317
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348 |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
349 ch.command = NGX_CMD_OPEN_CHANNEL; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
350 |
577 | 351 for (i = 0; i < n; i++) { |
352 | |
353 cpu_affinity = ngx_get_cpu_affinity(i); | |
354 | |
317
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|
355 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL, |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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diff
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|
356 "worker process", type); |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
357 |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
358 ch.pid = ngx_processes[ngx_process_slot].pid; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
359 ch.slot = ngx_process_slot; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
360 ch.fd = ngx_processes[ngx_process_slot].channel[0]; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
361 |
3018 | 362 ngx_pass_open_channel(cycle, &ch); |
317
1308b98496a2
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315
diff
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|
363 } |
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
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parents:
315
diff
changeset
|
364 } |
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
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315
diff
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|
365 |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
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|
366 |
501 | 367 static void |
3018 | 368 ngx_start_cache_manager_processes(ngx_cycle_t *cycle, ngx_uint_t respawn) |
467 | 369 { |
3018 | 370 ngx_uint_t i, manager, loader; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
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2522
diff
changeset
|
371 ngx_path_t **path; |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
2522
diff
changeset
|
372 ngx_channel_t ch; |
467 | 373 |
3018 | 374 manager = 0; |
375 loader = 0; | |
376 | |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2522
diff
changeset
|
377 path = ngx_cycle->pathes.elts; |
3018 | 378 for (i = 0; i < ngx_cycle->pathes.nelts; i++) { |
379 | |
380 if (path[i]->manager) { | |
381 manager = 1; | |
382 } | |
383 | |
384 if (path[i]->loader) { | |
385 loader = 1; | |
2592
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386 } |
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387 } |
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388 |
3018 | 389 if (manager == 0) { |
390 return; | |
391 } | |
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392 |
3018 | 393 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, |
394 &ngx_cache_manager_ctx, "cache manager process", | |
395 respawn ? NGX_PROCESS_JUST_RESPAWN : NGX_PROCESS_RESPAWN); | |
467 | 396 |
397 ch.command = NGX_CMD_OPEN_CHANNEL; | |
398 ch.pid = ngx_processes[ngx_process_slot].pid; | |
399 ch.slot = ngx_process_slot; | |
400 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
401 | |
3018 | 402 ngx_pass_open_channel(cycle, &ch); |
403 | |
404 if (loader == 0) { | |
405 return; | |
406 } | |
407 | |
408 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, | |
409 &ngx_cache_loader_ctx, "cache loader process", | |
410 respawn ? NGX_PROCESS_JUST_SPAWN : NGX_PROCESS_NORESPAWN); | |
411 | |
412 ch.command = NGX_CMD_OPEN_CHANNEL; | |
413 ch.pid = ngx_processes[ngx_process_slot].pid; | |
414 ch.slot = ngx_process_slot; | |
415 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
416 | |
417 ngx_pass_open_channel(cycle, &ch); | |
418 } | |
419 | |
420 | |
421 static void | |
422 ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch) | |
423 { | |
424 ngx_int_t i; | |
425 | |
467 | 426 for (i = 0; i < ngx_last_process; i++) { |
427 | |
428 if (i == ngx_process_slot | |
429 || ngx_processes[i].pid == -1 | |
430 || ngx_processes[i].channel[0] == -1) | |
431 { | |
432 continue; | |
433 } | |
434 | |
435 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
436 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d", | |
3018 | 437 ch->slot, ch->pid, ch->fd, |
467 | 438 i, ngx_processes[i].pid, |
439 ngx_processes[i].channel[0]); | |
440 | |
441 /* TODO: NGX_AGAIN */ | |
442 | |
443 ngx_write_channel(ngx_processes[i].channel[0], | |
3018 | 444 ch, sizeof(ngx_channel_t), cycle->log); |
467 | 445 } |
446 } | |
447 | |
448 | |
501 | 449 static void |
450 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo) | |
318
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451 { |
354
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452 ngx_int_t i; |
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453 ngx_err_t err; |
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454 ngx_channel_t ch; |
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455 |
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456 #if (NGX_BROKEN_SCM_RIGHTS) |
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457 |
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458 ch.command = 0; |
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459 |
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460 #else |
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461 |
354
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462 switch (signo) { |
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463 |
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464 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): |
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465 ch.command = NGX_CMD_QUIT; |
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466 break; |
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467 |
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468 case ngx_signal_value(NGX_TERMINATE_SIGNAL): |
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469 ch.command = NGX_CMD_TERMINATE; |
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470 break; |
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471 |
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472 case ngx_signal_value(NGX_REOPEN_SIGNAL): |
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473 ch.command = NGX_CMD_REOPEN; |
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474 break; |
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475 |
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476 default: |
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477 ch.command = 0; |
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478 } |
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479 |
1581
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|
480 #endif |
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Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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|
481 |
354
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482 ch.fd = -1; |
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483 |
318
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diff
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|
484 |
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diff
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485 for (i = 0; i < ngx_last_process; i++) { |
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|
486 |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
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parents:
448
diff
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|
487 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 488 "child: %d %P e:%d t:%d d:%d r:%d j:%d", |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
489 i, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
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|
490 ngx_processes[i].pid, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
491 ngx_processes[i].exiting, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
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|
492 ngx_processes[i].exited, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
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|
493 ngx_processes[i].detached, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
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|
494 ngx_processes[i].respawn, |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
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2616
diff
changeset
|
495 ngx_processes[i].just_spawn); |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
496 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
497 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) { |
318
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317
diff
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|
498 continue; |
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317
diff
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|
499 } |
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317
diff
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|
500 |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
501 if (ngx_processes[i].just_spawn) { |
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
502 ngx_processes[i].just_spawn = 0; |
318
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317
diff
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|
503 continue; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
504 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
505 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
506 if (ngx_processes[i].exiting |
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507 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL)) |
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317
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|
508 { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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diff
changeset
|
509 continue; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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changeset
|
510 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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diff
changeset
|
511 |
354
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|
512 if (ch.command) { |
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diff
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|
513 if (ngx_write_channel(ngx_processes[i].channel[0], |
1132 | 514 &ch, sizeof(ngx_channel_t), cycle->log) |
515 == NGX_OK) | |
354
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|
516 { |
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|
517 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { |
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changeset
|
518 ngx_processes[i].exiting = 1; |
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diff
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|
519 } |
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changeset
|
520 |
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345
diff
changeset
|
521 continue; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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diff
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|
522 } |
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|
523 } |
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|
524 |
318
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317
diff
changeset
|
525 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 526 "kill (%P, %d)" , ngx_processes[i].pid, signo); |
318
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changeset
|
527 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
changeset
|
528 if (kill(ngx_processes[i].pid, signo) == -1) { |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
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parents:
318
diff
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|
529 err = ngx_errno; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
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318
diff
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|
530 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
3047 | 531 "kill(%P, %d) failed", ngx_processes[i].pid, signo); |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
532 |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
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parents:
318
diff
changeset
|
533 if (err == NGX_ESRCH) { |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
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parents:
318
diff
changeset
|
534 ngx_processes[i].exited = 1; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
535 ngx_processes[i].exiting = 0; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
536 ngx_reap = 1; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
537 } |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
538 |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
539 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
changeset
|
540 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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changeset
|
541 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
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changeset
|
542 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
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317
diff
changeset
|
543 ngx_processes[i].exiting = 1; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
544 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
545 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
546 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
547 |
317
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
548 |
501 | 549 static ngx_uint_t |
1565 | 550 ngx_reap_children(ngx_cycle_t *cycle) |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
551 { |
543 | 552 ngx_int_t i, n; |
553 ngx_uint_t live; | |
554 ngx_channel_t ch; | |
555 ngx_core_conf_t *ccf; | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
556 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
557 ch.command = NGX_CMD_CLOSE_CHANNEL; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
558 ch.fd = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
559 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
560 live = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
561 for (i = 0; i < ngx_last_process; i++) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
562 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
563 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 564 "child: %d %P e:%d t:%d d:%d r:%d j:%d", |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
565 i, |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
566 ngx_processes[i].pid, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
567 ngx_processes[i].exiting, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
568 ngx_processes[i].exited, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
569 ngx_processes[i].detached, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
570 ngx_processes[i].respawn, |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
571 ngx_processes[i].just_spawn); |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
572 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
573 if (ngx_processes[i].pid == -1) { |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
574 continue; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
575 } |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
576 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
577 if (ngx_processes[i].exited) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
578 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
579 if (!ngx_processes[i].detached) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
580 ngx_close_channel(ngx_processes[i].channel, cycle->log); |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
581 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
582 ngx_processes[i].channel[0] = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
583 ngx_processes[i].channel[1] = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
584 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
585 ch.pid = ngx_processes[i].pid; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
586 ch.slot = i; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
587 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
588 for (n = 0; n < ngx_last_process; n++) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
589 if (ngx_processes[n].exited |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
590 || ngx_processes[n].pid == -1 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
591 || ngx_processes[n].channel[0] == -1) |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
592 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
593 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
594 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
595 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
596 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 597 "pass close channel s:%i pid:%P to:%P", |
598 ch.slot, ch.pid, ngx_processes[n].pid); | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
599 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
600 /* TODO: NGX_AGAIN */ |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
601 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
602 ngx_write_channel(ngx_processes[n].channel[0], |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
603 &ch, sizeof(ngx_channel_t), cycle->log); |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
604 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
605 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
606 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
607 if (ngx_processes[i].respawn |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
608 && !ngx_processes[i].exiting |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
609 && !ngx_terminate |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
610 && !ngx_quit) |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
611 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
612 if (ngx_spawn_process(cycle, ngx_processes[i].proc, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
613 ngx_processes[i].data, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
614 ngx_processes[i].name, i) |
543 | 615 == NGX_INVALID_PID) |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
616 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
617 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
618 "can not respawn %s", ngx_processes[i].name); |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
619 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
620 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
621 |
473 | 622 |
623 ch.command = NGX_CMD_OPEN_CHANNEL; | |
624 ch.pid = ngx_processes[ngx_process_slot].pid; | |
625 ch.slot = ngx_process_slot; | |
626 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
627 | |
3018 | 628 ngx_pass_open_channel(cycle, &ch); |
473 | 629 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
630 live = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
631 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
632 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
633 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
634 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
635 if (ngx_processes[i].pid == ngx_new_binary) { |
543 | 636 |
637 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, | |
638 ngx_core_module); | |
639 | |
640 if (ngx_rename_file((char *) ccf->oldpid.data, | |
641 (char *) ccf->pid.data) | |
642 != NGX_OK) | |
643 { | |
644 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
645 ngx_rename_file_n " %s back to %s failed " | |
646 "after the new binary process \"%s\" exited", | |
647 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]); | |
648 } | |
649 | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
650 ngx_new_binary = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
651 if (ngx_noaccepting) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
652 ngx_restart = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
653 ngx_noaccepting = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
654 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
655 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
656 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
657 if (i == ngx_last_process - 1) { |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
658 ngx_last_process--; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
659 |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
660 } else { |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
661 ngx_processes[i].pid = -1; |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
662 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
663 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
664 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
665 live = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
666 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
667 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
668 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
669 return live; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
670 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
671 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
672 |
501 | 673 static void |
573 | 674 ngx_master_process_exit(ngx_cycle_t *cycle) |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
675 { |
571 | 676 ngx_uint_t i; |
677 | |
310
a9a9af2c7370
nginx-0.0.3-2004-04-12-10:10:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
309
diff
changeset
|
678 ngx_delete_pidfile(cycle); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
679 |
477 | 680 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); |
310
a9a9af2c7370
nginx-0.0.3-2004-04-12-10:10:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
309
diff
changeset
|
681 |
571 | 682 for (i = 0; ngx_modules[i]; i++) { |
683 if (ngx_modules[i]->exit_master) { | |
684 ngx_modules[i]->exit_master(cycle); | |
685 } | |
686 } | |
687 | |
3230
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
688 ngx_close_listening_sockets(cycle); |
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
689 |
505 | 690 /* |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
691 * Copy ngx_cycle->log related data to the special static exit cycle, |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
692 * log, and log file structures enough to allow a signal handler to log. |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
693 * The handler may be called when standard ngx_cycle->log allocated from |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
694 * ngx_cycle->pool is already destroyed. |
505 | 695 */ |
696 | |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
697 ngx_exit_log_file.fd = ngx_cycle->log->file->fd; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
698 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
699 ngx_exit_log = *ngx_cycle->log; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
700 ngx_exit_log.file = &ngx_exit_log_file; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
701 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
702 ngx_exit_cycle.log = &ngx_exit_log; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
703 ngx_cycle = &ngx_exit_cycle; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
704 |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
705 ngx_destroy_pool(cycle->pool); |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
706 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
707 exit(0); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
708 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
709 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
710 |
501 | 711 static void |
712 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data) | |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
713 { |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
714 ngx_uint_t i; |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
715 ngx_connection_t *c; |
469 | 716 |
473 | 717 ngx_worker_process_init(cycle, 1); |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
718 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
719 ngx_setproctitle("worker process"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
720 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
721 #if (NGX_THREADS) |
1704
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1581
diff
changeset
|
722 { |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1581
diff
changeset
|
723 ngx_int_t n; |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1581
diff
changeset
|
724 ngx_err_t err; |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1581
diff
changeset
|
725 ngx_core_conf_t *ccf; |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
726 |
469 | 727 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
728 | |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
729 if (ngx_threads_n) { |
1133 | 730 if (ngx_init_threads(ngx_threads_n, ccf->thread_stack_size, cycle) |
731 == NGX_ERROR) | |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
732 { |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
733 /* fatal */ |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
734 exit(2); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
735 } |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
736 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
737 err = ngx_thread_key_create(&ngx_core_tls_key); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
738 if (err != 0) { |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
739 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
740 ngx_thread_key_create_n " failed"); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
741 /* fatal */ |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
742 exit(2); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
743 } |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
744 |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
745 for (n = 0; n < ngx_threads_n; n++) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
746 |
501 | 747 ngx_threads[n].cv = ngx_cond_init(cycle->log); |
748 | |
749 if (ngx_threads[n].cv == NULL) { | |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
750 /* fatal */ |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
751 exit(2); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
752 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
753 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
754 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid, |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
755 ngx_worker_thread_cycle, |
1133 | 756 (void *) &ngx_threads[n], cycle->log) |
757 != 0) | |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
758 { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
759 /* fatal */ |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
760 exit(2); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
761 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
762 } |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
763 } |
1704
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1581
diff
changeset
|
764 } |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
765 #endif |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
766 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
767 for ( ;; ) { |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
768 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
769 if (ngx_exiting) { |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
770 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
771 c = cycle->connections; |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
772 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
773 for (i = 0; i < cycle->connection_n; i++) { |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
774 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
775 /* THREAD: lock */ |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
776 |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
777 if (c[i].fd != -1 && c[i].idle) { |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
778 c[i].close = 1; |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
779 c[i].read->handler(c[i].read); |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
780 } |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
781 } |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
782 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
783 if (ngx_event_timer_rbtree.root == ngx_event_timer_rbtree.sentinel) |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
784 { |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
785 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
786 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
787 ngx_worker_process_exit(cycle); |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
788 } |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
789 } |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
790 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
791 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
792 |
563 | 793 ngx_process_events_and_timers(cycle); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
794 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
795 if (ngx_terminate) { |
477 | 796 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
797 |
573 | 798 ngx_worker_process_exit(cycle); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
799 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
800 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
801 if (ngx_quit) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
802 ngx_quit = 0; |
477 | 803 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
804 "gracefully shutting down"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
805 ngx_setproctitle("worker process is shutting down"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
806 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
807 if (!ngx_exiting) { |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
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808 ngx_close_listening_sockets(cycle); |
326
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809 ngx_exiting = 1; |
322
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810 } |
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811 } |
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812 |
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813 if (ngx_reopen) { |
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814 ngx_reopen = 0; |
477 | 815 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
278
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816 ngx_reopen_files(cycle, -1); |
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817 } |
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818 } |
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819 } |
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820 |
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821 |
501 | 822 static void |
823 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority) | |
467 | 824 { |
1069 | 825 sigset_t set; |
826 ngx_int_t n; | |
827 ngx_uint_t i; | |
828 struct rlimit rlmt; | |
829 ngx_core_conf_t *ccf; | |
830 ngx_listening_t *ls; | |
467 | 831 |
832 ngx_process = NGX_PROCESS_WORKER; | |
833 | |
1069 | 834 if (ngx_set_environment(cycle, NULL) == NULL) { |
835 /* fatal */ | |
836 exit(2); | |
837 } | |
838 | |
467 | 839 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
840 | |
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841 if (priority && ccf->priority != 0) { |
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842 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) { |
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843 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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844 "setpriority(%d) failed", ccf->priority); |
473 | 845 } |
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846 } |
473 | 847 |
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848 if (ccf->rlimit_nofile != NGX_CONF_UNSET) { |
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849 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile; |
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850 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile; |
543 | 851 |
1404
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852 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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853 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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854 "setrlimit(RLIMIT_NOFILE, %i) failed", |
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855 ccf->rlimit_nofile); |
543 | 856 } |
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857 } |
543 | 858 |
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859 if (ccf->rlimit_core != NGX_CONF_UNSET_SIZE) { |
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860 rlmt.rlim_cur = (rlim_t) ccf->rlimit_core; |
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861 rlmt.rlim_max = (rlim_t) ccf->rlimit_core; |
589 | 862 |
1404
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863 if (setrlimit(RLIMIT_CORE, &rlmt) == -1) { |
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864 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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865 "setrlimit(RLIMIT_CORE, %i) failed", |
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866 ccf->rlimit_core); |
589 | 867 } |
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868 } |
589 | 869 |
543 | 870 #ifdef RLIMIT_SIGPENDING |
1404
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871 if (ccf->rlimit_sigpending != NGX_CONF_UNSET) { |
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872 rlmt.rlim_cur = (rlim_t) ccf->rlimit_sigpending; |
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873 rlmt.rlim_max = (rlim_t) ccf->rlimit_sigpending; |
543 | 874 |
1404
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875 if (setrlimit(RLIMIT_SIGPENDING, &rlmt) == -1) { |
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876 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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877 "setrlimit(RLIMIT_SIGPENDING, %i) failed", |
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878 ccf->rlimit_sigpending); |
543 | 879 } |
1404
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880 } |
543 | 881 #endif |
882 | |
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883 if (geteuid() == 0) { |
467 | 884 if (setgid(ccf->group) == -1) { |
885 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
886 "setgid(%d) failed", ccf->group); | |
887 /* fatal */ | |
888 exit(2); | |
889 } | |
890 | |
473 | 891 if (initgroups(ccf->username, ccf->group) == -1) { |
892 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
893 "initgroups(%s, %d) failed", | |
894 ccf->username, ccf->group); | |
895 } | |
896 | |
467 | 897 if (setuid(ccf->user) == -1) { |
898 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
899 "setuid(%d) failed", ccf->user); | |
900 /* fatal */ | |
901 exit(2); | |
902 } | |
903 } | |
904 | |
577 | 905 #if (NGX_HAVE_SCHED_SETAFFINITY) |
906 | |
907 if (cpu_affinity) { | |
908 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, | |
909 "sched_setaffinity(0x%08Xl)", cpu_affinity); | |
910 | |
911 if (sched_setaffinity(0, 32, (cpu_set_t *) &cpu_affinity) == -1) { | |
912 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
913 "sched_setaffinity(0x%08Xl) failed", cpu_affinity); | |
914 } | |
915 } | |
916 | |
917 #endif | |
918 | |
467 | 919 #if (NGX_HAVE_PR_SET_DUMPABLE) |
920 | |
921 /* allow coredump after setuid() in Linux 2.4.x */ | |
922 | |
923 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) { | |
924 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
925 "prctl(PR_SET_DUMPABLE) failed"); | |
926 } | |
927 | |
928 #endif | |
929 | |
521 | 930 if (ccf->working_directory.len) { |
523 | 931 if (chdir((char *) ccf->working_directory.data) == -1) { |
521 | 932 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
933 "chdir(\"%s\") failed", ccf->working_directory.data); | |
934 /* fatal */ | |
935 exit(2); | |
936 } | |
937 } | |
938 | |
467 | 939 sigemptyset(&set); |
940 | |
941 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) { | |
942 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
943 "sigprocmask() failed"); | |
944 } | |
945 | |
946 /* | |
947 * disable deleting previous events for the listening sockets because | |
948 * in the worker processes there are no events at all at this point | |
577 | 949 */ |
467 | 950 ls = cycle->listening.elts; |
951 for (i = 0; i < cycle->listening.nelts; i++) { | |
543 | 952 ls[i].previous = NULL; |
467 | 953 } |
954 | |
955 for (i = 0; ngx_modules[i]; i++) { | |
956 if (ngx_modules[i]->init_process) { | |
957 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) { | |
958 /* fatal */ | |
959 exit(2); | |
960 } | |
961 } | |
962 } | |
963 | |
964 for (n = 0; n < ngx_last_process; n++) { | |
965 | |
966 if (ngx_processes[n].pid == -1) { | |
967 continue; | |
968 } | |
969 | |
970 if (n == ngx_process_slot) { | |
971 continue; | |
972 } | |
973 | |
974 if (ngx_processes[n].channel[1] == -1) { | |
975 continue; | |
976 } | |
977 | |
978 if (close(ngx_processes[n].channel[1]) == -1) { | |
979 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
980 "close() channel failed"); | |
981 } | |
982 } | |
983 | |
984 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) { | |
985 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
986 "close() channel failed"); | |
987 } | |
988 | |
989 #if 0 | |
990 ngx_last_process = 0; | |
991 #endif | |
992 | |
993 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT, | |
1133 | 994 ngx_channel_handler) |
995 == NGX_ERROR) | |
467 | 996 { |
997 /* fatal */ | |
998 exit(2); | |
999 } | |
1000 } | |
1001 | |
1002 | |
501 | 1003 static void |
573 | 1004 ngx_worker_process_exit(ngx_cycle_t *cycle) |
1005 { | |
1006 ngx_uint_t i; | |
1007 ngx_connection_t *c; | |
1008 | |
1009 #if (NGX_THREADS) | |
1010 ngx_terminate = 1; | |
1011 | |
1012 ngx_wakeup_worker_threads(cycle); | |
1013 #endif | |
1014 | |
1015 for (i = 0; ngx_modules[i]; i++) { | |
1016 if (ngx_modules[i]->exit_process) { | |
1017 ngx_modules[i]->exit_process(cycle); | |
1018 } | |
1019 } | |
1020 | |
1905
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1021 if (ngx_exiting) { |
587 | 1022 c = cycle->connections; |
1023 for (i = 0; i < cycle->connection_n; i++) { | |
1024 if (c[i].fd != -1 | |
1025 && c[i].read | |
1026 && !c[i].read->accept | |
1905
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1027 && !c[i].read->channel |
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1028 && !c[i].read->resolver) |
587 | 1029 { |
1030 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
3026
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1031 "open socket #%d left in connection %ui", |
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1032 c[i].fd, i); |
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1033 ngx_debug_quit = 1; |
587 | 1034 } |
573 | 1035 } |
1036 | |
587 | 1037 if (ngx_debug_quit) { |
3026
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1038 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "aborting"); |
587 | 1039 ngx_debug_point(); |
1040 } | |
573 | 1041 } |
1042 | |
1043 /* | |
1437
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1044 * Copy ngx_cycle->log related data to the special static exit cycle, |
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1045 * log, and log file structures enough to allow a signal handler to log. |
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1046 * The handler may be called when standard ngx_cycle->log allocated from |
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1047 * ngx_cycle->pool is already destroyed. |
573 | 1048 */ |
1049 | |
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1050 ngx_exit_log_file.fd = ngx_cycle->log->file->fd; |
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1051 |
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1052 ngx_exit_log = *ngx_cycle->log; |
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1053 ngx_exit_log.file = &ngx_exit_log_file; |
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1054 |
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1055 ngx_exit_cycle.log = &ngx_exit_log; |
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1056 ngx_cycle = &ngx_exit_cycle; |
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1057 |
573 | 1058 ngx_destroy_pool(cycle->pool); |
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1059 |
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1060 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, "exit"); |
573 | 1061 |
1062 exit(0); | |
1063 } | |
1064 | |
1065 | |
1066 static void | |
501 | 1067 ngx_channel_handler(ngx_event_t *ev) |
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1068 { |
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1069 ngx_int_t n; |
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1070 ngx_channel_t ch; |
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1071 ngx_connection_t *c; |
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1072 |
467 | 1073 if (ev->timedout) { |
1074 ev->timedout = 0; | |
1075 return; | |
1076 } | |
1077 | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1078 c = ev->data; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1079 |
357
e260514b9ad4
nginx-0.0.7-2004-06-16-23:36:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
1080 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler"); |
e260514b9ad4
nginx-0.0.7-2004-06-16-23:36:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
1081 |
2031 | 1082 for ( ;; ) { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1083 |
2031 | 1084 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log); |
1085 | |
1086 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n); | |
357
e260514b9ad4
nginx-0.0.7-2004-06-16-23:36:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
1087 |
2031 | 1088 if (n == NGX_ERROR) { |
1900
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1089 |
2031 | 1090 if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { |
1091 ngx_del_conn(c, 0); | |
1092 } | |
1093 | |
1094 ngx_close_connection(c); | |
1095 return; | |
1900
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1096 } |
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1097 |
2031 | 1098 if (ngx_event_flags & NGX_USE_EVENTPORT_EVENT) { |
1099 if (ngx_add_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
1100 return; | |
1101 } | |
1102 } | |
461 | 1103 |
2031 | 1104 if (n == NGX_AGAIN) { |
1134
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1105 return; |
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1106 } |
2031 | 1107 |
1108 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, | |
1109 "channel command: %d", ch.command); | |
1134
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1110 |
2031 | 1111 switch (ch.command) { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1112 |
2031 | 1113 case NGX_CMD_QUIT: |
1114 ngx_quit = 1; | |
1115 break; | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1116 |
2031 | 1117 case NGX_CMD_TERMINATE: |
1118 ngx_terminate = 1; | |
1119 break; | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1120 |
2031 | 1121 case NGX_CMD_REOPEN: |
1122 ngx_reopen = 1; | |
1123 break; | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1124 |
2031 | 1125 case NGX_CMD_OPEN_CHANNEL: |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
1126 |
2031 | 1127 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0, |
1128 "get channel s:%i pid:%P fd:%d", | |
1129 ch.slot, ch.pid, ch.fd); | |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
1130 |
2031 | 1131 ngx_processes[ch.slot].pid = ch.pid; |
1132 ngx_processes[ch.slot].channel[0] = ch.fd; | |
1133 break; | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
1134 |
2031 | 1135 case NGX_CMD_CLOSE_CHANNEL: |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
1136 |
2031 | 1137 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0, |
1138 "close channel s:%i pid:%P our:%P fd:%d", | |
1139 ch.slot, ch.pid, ngx_processes[ch.slot].pid, | |
1140 ngx_processes[ch.slot].channel[0]); | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
1141 |
2031 | 1142 if (close(ngx_processes[ch.slot].channel[0]) == -1) { |
1143 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
1144 "close() channel failed"); | |
1145 } | |
1146 | |
1147 ngx_processes[ch.slot].channel[0] = -1; | |
1148 break; | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
1149 } |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1150 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1151 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1152 |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1153 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1154 #if (NGX_THREADS) |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1155 |
501 | 1156 static void |
1157 ngx_wakeup_worker_threads(ngx_cycle_t *cycle) | |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1158 { |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1159 ngx_int_t i; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1160 ngx_uint_t live; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1161 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1162 for ( ;; ) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1163 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1164 live = 0; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1165 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1166 for (i = 0; i < ngx_threads_n; i++) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1167 if (ngx_threads[i].state < NGX_THREAD_EXIT) { |
469 | 1168 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) { |
1169 ngx_threads[i].state = NGX_THREAD_DONE; | |
377
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
1170 |
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
1171 } else { |
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
1172 live = 1; |
41437e4fd9b4
nginx-0.0.7-2004-07-05-19:08:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
376
diff
changeset
|
1173 } |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1174 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1175 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1176 if (ngx_threads[i].state == NGX_THREAD_EXIT) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1177 ngx_thread_join(ngx_threads[i].tid, NULL); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1178 ngx_threads[i].state = NGX_THREAD_DONE; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1179 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1180 } |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1181 |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1182 if (live == 0) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1183 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1184 "all worker threads are joined"); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1185 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1186 /* STUB */ |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1187 ngx_done_events(cycle); |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1188 ngx_mutex_destroy(ngx_event_timer_mutex); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1189 ngx_mutex_destroy(ngx_posted_events_mutex); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1190 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1191 return; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1192 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1193 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1194 ngx_sched_yield(); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1195 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1196 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1197 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1198 |
563 | 1199 static ngx_thread_value_t |
501 | 1200 ngx_worker_thread_cycle(void *data) |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1201 { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1202 ngx_thread_t *thr = data; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1203 |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1204 sigset_t set; |
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1205 ngx_err_t err; |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1206 ngx_core_tls_t *tls; |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1207 ngx_cycle_t *cycle; |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1208 |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1209 cycle = (ngx_cycle_t *) ngx_cycle; |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1210 |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
1211 sigemptyset(&set); |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
1212 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL)); |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
1213 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL)); |
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
371
diff
changeset
|
1214 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL)); |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1215 |
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1216 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL); |
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1217 if (err) { |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1218 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1219 ngx_thread_sigmask_n " failed"); |
563 | 1220 return (ngx_thread_value_t) 1; |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1221 } |
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
278
diff
changeset
|
1222 |
382
449c4885dcd1
nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
1223 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 1224 "thread " NGX_TID_T_FMT " started", ngx_thread_self()); |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1225 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1226 ngx_setthrtitle("worker thread"); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1227 |
501 | 1228 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log); |
1229 if (tls == NULL) { | |
563 | 1230 return (ngx_thread_value_t) 1; |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1231 } |
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1232 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1233 err = ngx_thread_set_tls(ngx_core_tls_key, tls); |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1234 if (err != 0) { |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1235 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1236 ngx_thread_set_tls_n " failed"); |
563 | 1237 return (ngx_thread_value_t) 1; |
379
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1238 } |
73688d5d7fc3
nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
377
diff
changeset
|
1239 |
563 | 1240 ngx_mutex_lock(ngx_posted_events_mutex); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1241 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
366
diff
changeset
|
1242 for ( ;; ) { |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1243 thr->state = NGX_THREAD_FREE; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1244 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1245 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) { |
563 | 1246 return (ngx_thread_value_t) 1; |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1247 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1248 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1249 if (ngx_terminate) { |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1250 thr->state = NGX_THREAD_EXIT; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1251 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1252 ngx_mutex_unlock(ngx_posted_events_mutex); |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1253 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1254 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 1255 "thread " NGX_TID_T_FMT " is done", |
1256 ngx_thread_self()); | |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1257 |
563 | 1258 return (ngx_thread_value_t) 0; |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1259 } |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1260 |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1261 thr->state = NGX_THREAD_BUSY; |
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
1262 |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1263 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) { |
563 | 1264 return (ngx_thread_value_t) 1; |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1265 } |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1266 |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1267 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) { |
563 | 1268 return (ngx_thread_value_t) 1; |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1269 } |
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
changeset
|
1270 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1271 if (ngx_process_changes) { |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1272 if (ngx_process_changes(cycle, 1) == NGX_ERROR) { |
563 | 1273 return (ngx_thread_value_t) 1; |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
1274 } |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
366
diff
changeset
|
1275 } |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
366
diff
changeset
|
1276 } |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1277 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1278 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1279 #endif |
467 | 1280 |
1281 | |
501 | 1282 static void |
2616
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diff
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|
1283 ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data) |
467 | 1284 { |
3018 | 1285 ngx_cache_manager_ctx_t *ctx = data; |
1286 | |
2592
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|
1287 void *ident[4]; |
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parents:
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diff
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|
1288 ngx_event_t ev; |
3a8a53c0c42f
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diff
changeset
|
1289 |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
1290 cycle->connection_n = 512; |
467 | 1291 |
473 | 1292 ngx_worker_process_init(cycle, 0); |
467 | 1293 |
2592
3a8a53c0c42f
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parents:
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diff
changeset
|
1294 ngx_close_listening_sockets(cycle); |
467 | 1295 |
2592
3a8a53c0c42f
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diff
changeset
|
1296 ngx_memzero(&ev, sizeof(ngx_event_t)); |
3018 | 1297 ev.handler = ctx->handler; |
2592
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diff
changeset
|
1298 ev.data = ident; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1299 ev.log = cycle->log; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1300 ident[3] = (void *) -1; |
467 | 1301 |
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1302 ngx_use_accept_mutex = 0; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1303 |
3018 | 1304 ngx_setproctitle(ctx->name); |
2592
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1305 |
3018 | 1306 ngx_add_timer(&ev, ctx->delay); |
467 | 1307 |
1308 for ( ;; ) { | |
1309 | |
1310 if (ngx_terminate || ngx_quit) { | |
477 | 1311 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
467 | 1312 exit(0); |
1313 } | |
1314 | |
1315 if (ngx_reopen) { | |
1316 ngx_reopen = 0; | |
477 | 1317 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
467 | 1318 ngx_reopen_files(cycle, -1); |
1319 } | |
1320 | |
563 | 1321 ngx_process_events_and_timers(cycle); |
467 | 1322 } |
1323 } | |
501 | 1324 |
2592
3a8a53c0c42f
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parents:
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diff
changeset
|
1325 |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
1326 static void |
2616
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diff
changeset
|
1327 ngx_cache_manager_process_handler(ngx_event_t *ev) |
2592
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diff
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|
1328 { |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1329 time_t next, n; |
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
1330 ngx_uint_t i; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1331 ngx_path_t **path; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1332 |
3a8a53c0c42f
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diff
changeset
|
1333 next = 60 * 60; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1334 |
3a8a53c0c42f
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parents:
2522
diff
changeset
|
1335 path = ngx_cycle->pathes.elts; |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1336 for (i = 0; i < ngx_cycle->pathes.nelts; i++) { |
3a8a53c0c42f
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
1337 |
2616
d19979e0d980
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parents:
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diff
changeset
|
1338 if (path[i]->manager) { |
d19979e0d980
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parents:
2592
diff
changeset
|
1339 n = path[i]->manager(path[i]->data); |
2592
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diff
changeset
|
1340 |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
1341 next = (n <= next) ? n : next; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1342 |
3a8a53c0c42f
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diff
changeset
|
1343 ngx_time_update(0, 0); |
3a8a53c0c42f
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parents:
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diff
changeset
|
1344 } |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
1345 } |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
1346 |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
1347 if (next == 0) { |
3a8a53c0c42f
a prelimiary proxy cache support
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parents:
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diff
changeset
|
1348 next = 1; |
3a8a53c0c42f
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parents:
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diff
changeset
|
1349 } |
3a8a53c0c42f
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diff
changeset
|
1350 |
3a8a53c0c42f
a prelimiary proxy cache support
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diff
changeset
|
1351 ngx_add_timer(ev, next * 1000); |
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diff
changeset
|
1352 } |
3018 | 1353 |
1354 | |
1355 static void | |
1356 ngx_cache_loader_process_handler(ngx_event_t *ev) | |
1357 { | |
1358 ngx_uint_t i; | |
1359 ngx_path_t **path; | |
1360 ngx_cycle_t *cycle; | |
1361 | |
1362 cycle = (ngx_cycle_t *) ngx_cycle; | |
1363 | |
1364 path = cycle->pathes.elts; | |
1365 for (i = 0; i < cycle->pathes.nelts; i++) { | |
1366 | |
1367 if (ngx_terminate || ngx_quit) { | |
1368 break; | |
1369 } | |
1370 | |
1371 if (path[i]->loader) { | |
1372 path[i]->loader(path[i]->data); | |
1373 ngx_time_update(0, 0); | |
1374 } | |
1375 } | |
1376 | |
1377 exit(0); | |
1378 } |