Mercurial > hg > nginx
annotate src/os/unix/ngx_process_cycle.c @ 6929:3069dd358ba2
Cancelable timers are now preserved if there are other timers.
There is no need to cancel timers early if there are other timers blocking
shutdown anyway. Preserving such timers allows nginx to continue some
periodic work till the shutdown is actually possible.
With the new approach, timers with ev->cancelable are simply ignored when
checking if there are any timers left during shutdown.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 07 Mar 2017 18:51:15 +0300 |
parents | ca709bca4b77 |
children | 97c99bb43737 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 #include <ngx_channel.h> |
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14 static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, |
501 | 15 ngx_int_t type); |
3018 | 16 static void ngx_start_cache_manager_processes(ngx_cycle_t *cycle, |
17 ngx_uint_t respawn); | |
18 static void ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch); | |
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19 static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo); |
1565 | 20 static ngx_uint_t ngx_reap_children(ngx_cycle_t *cycle); |
573 | 21 static void ngx_master_process_exit(ngx_cycle_t *cycle); |
278
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22 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data); |
4912
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23 static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker); |
573 | 24 static void ngx_worker_process_exit(ngx_cycle_t *cycle); |
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25 static void ngx_channel_handler(ngx_event_t *ev); |
2616
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26 static void ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data); |
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27 static void ngx_cache_manager_process_handler(ngx_event_t *ev); |
3018 | 28 static void ngx_cache_loader_process_handler(ngx_event_t *ev); |
278
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29 |
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30 |
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31 ngx_uint_t ngx_process; |
6151
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Introduced worker number, ngx_worker.
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32 ngx_uint_t ngx_worker; |
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33 ngx_pid_t ngx_pid; |
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34 |
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35 sig_atomic_t ngx_reap; |
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36 sig_atomic_t ngx_sigio; |
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37 sig_atomic_t ngx_sigalrm; |
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38 sig_atomic_t ngx_terminate; |
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39 sig_atomic_t ngx_quit; |
477 | 40 sig_atomic_t ngx_debug_quit; |
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41 ngx_uint_t ngx_exiting; |
278
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42 sig_atomic_t ngx_reconfigure; |
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43 sig_atomic_t ngx_reopen; |
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44 |
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45 sig_atomic_t ngx_change_binary; |
317
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46 ngx_pid_t ngx_new_binary; |
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47 ngx_uint_t ngx_inherited; |
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48 ngx_uint_t ngx_daemonized; |
317
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49 |
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50 sig_atomic_t ngx_noaccept; |
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51 ngx_uint_t ngx_noaccepting; |
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52 ngx_uint_t ngx_restart; |
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53 |
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54 |
577 | 55 static u_char master_process[] = "master process"; |
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56 |
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57 |
3018 | 58 static ngx_cache_manager_ctx_t ngx_cache_manager_ctx = { |
59 ngx_cache_manager_process_handler, "cache manager process", 0 | |
60 }; | |
61 | |
62 static ngx_cache_manager_ctx_t ngx_cache_loader_ctx = { | |
63 ngx_cache_loader_process_handler, "cache loader process", 60000 | |
64 }; | |
65 | |
66 | |
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67 static ngx_cycle_t ngx_exit_cycle; |
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68 static ngx_log_t ngx_exit_log; |
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destroy ngx_cycle->pool on exit
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69 static ngx_open_file_t ngx_exit_log_file; |
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70 |
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71 |
501 | 72 void |
73 ngx_master_process_cycle(ngx_cycle_t *cycle) | |
317
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74 { |
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75 char *title; |
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76 u_char *p; |
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77 size_t size; |
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78 ngx_int_t i; |
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79 ngx_uint_t n, sigio; |
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80 sigset_t set; |
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81 struct itimerval itv; |
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82 ngx_uint_t live; |
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83 ngx_msec_t delay; |
531 | 84 ngx_listening_t *ls; |
317
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85 ngx_core_conf_t *ccf; |
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86 |
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87 sigemptyset(&set); |
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88 sigaddset(&set, SIGCHLD); |
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89 sigaddset(&set, SIGALRM); |
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90 sigaddset(&set, SIGIO); |
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91 sigaddset(&set, SIGINT); |
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92 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL)); |
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93 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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94 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL)); |
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95 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
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96 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
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97 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL)); |
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98 |
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99 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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100 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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101 "sigprocmask() failed"); |
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102 } |
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103 |
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104 sigemptyset(&set); |
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105 |
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106 |
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107 size = sizeof(master_process); |
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108 |
452 | 109 for (i = 0; i < ngx_argc; i++) { |
110 size += ngx_strlen(ngx_argv[i]) + 1; | |
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111 } |
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112 |
2049 | 113 title = ngx_pnalloc(cycle->pool, size); |
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114 if (title == NULL) { |
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115 /* fatal */ |
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116 exit(2); |
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117 } |
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118 |
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119 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1); |
452 | 120 for (i = 0; i < ngx_argc; i++) { |
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121 *p++ = ' '; |
452 | 122 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size); |
326
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123 } |
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124 |
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125 ngx_setproctitle(title); |
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126 |
317
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127 |
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128 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
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129 |
318
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130 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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131 NGX_PROCESS_RESPAWN); |
3018 | 132 ngx_start_cache_manager_processes(cycle, 0); |
317
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133 |
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134 ngx_new_binary = 0; |
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135 delay = 0; |
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136 sigio = 0; |
317
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137 live = 1; |
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138 |
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139 for ( ;; ) { |
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140 if (delay) { |
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141 if (ngx_sigalrm) { |
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142 sigio = 0; |
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143 delay *= 2; |
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144 ngx_sigalrm = 0; |
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145 } |
317
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146 |
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147 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 148 "termination cycle: %M", delay); |
317
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149 |
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150 itv.it_interval.tv_sec = 0; |
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151 itv.it_interval.tv_usec = 0; |
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152 itv.it_value.tv_sec = delay / 1000; |
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153 itv.it_value.tv_usec = (delay % 1000 ) * 1000; |
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154 |
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155 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) { |
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156 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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157 "setitimer() failed"); |
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158 } |
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159 } |
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160 |
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161 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend"); |
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162 |
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163 sigsuspend(&set); |
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164 |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
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165 ngx_time_update(); |
317
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166 |
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167 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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168 "wake up, sigio %i", sigio); |
317
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169 |
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170 if (ngx_reap) { |
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171 ngx_reap = 0; |
1565 | 172 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap children"); |
317
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173 |
1565 | 174 live = ngx_reap_children(cycle); |
317
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175 } |
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176 |
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177 if (!live && (ngx_terminate || ngx_quit)) { |
573 | 178 ngx_master_process_exit(cycle); |
317
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179 } |
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180 |
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181 if (ngx_terminate) { |
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182 if (delay == 0) { |
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183 delay = 50; |
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184 } |
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185 |
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186 if (sigio) { |
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187 sigio--; |
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188 continue; |
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189 } |
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190 |
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191 sigio = ccf->worker_processes + 2 /* cache processes */; |
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192 |
317
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193 if (delay > 1000) { |
318
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194 ngx_signal_worker_processes(cycle, SIGKILL); |
317
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195 } else { |
318
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196 ngx_signal_worker_processes(cycle, |
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197 ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
317
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198 } |
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199 |
318
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200 continue; |
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201 } |
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202 |
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203 if (ngx_quit) { |
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204 ngx_signal_worker_processes(cycle, |
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205 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
531 | 206 |
207 ls = cycle->listening.elts; | |
208 for (n = 0; n < cycle->listening.nelts; n++) { | |
209 if (ngx_close_socket(ls[n].fd) == -1) { | |
210 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, | |
211 ngx_close_socket_n " %V failed", | |
212 &ls[n].addr_text); | |
213 } | |
214 } | |
215 cycle->listening.nelts = 0; | |
216 | |
318
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|
217 continue; |
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|
218 } |
317
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219 |
318
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220 if (ngx_reconfigure) { |
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221 ngx_reconfigure = 0; |
329
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|
222 |
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223 if (ngx_new_binary) { |
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224 ngx_start_worker_processes(cycle, ccf->worker_processes, |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
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parents:
448
diff
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|
225 NGX_PROCESS_RESPAWN); |
3018 | 226 ngx_start_cache_manager_processes(cycle, 0); |
449
3b1e8c9df9ad
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diff
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|
227 ngx_noaccepting = 0; |
3b1e8c9df9ad
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448
diff
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|
228 |
329
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|
229 continue; |
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230 } |
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231 |
477 | 232 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
317
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233 |
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234 cycle = ngx_init_cycle(cycle); |
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235 if (cycle == NULL) { |
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236 cycle = (ngx_cycle_t *) ngx_cycle; |
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237 continue; |
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|
238 } |
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|
239 |
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240 ngx_cycle = cycle; |
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241 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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242 ngx_core_module); |
318
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243 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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244 NGX_PROCESS_JUST_RESPAWN); |
3018 | 245 ngx_start_cache_manager_processes(cycle, 1); |
4500
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246 |
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247 /* allow new processes to start */ |
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248 ngx_msleep(100); |
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249 |
318
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250 live = 1; |
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251 ngx_signal_worker_processes(cycle, |
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252 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
317
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253 } |
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254 |
318
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255 if (ngx_restart) { |
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256 ngx_restart = 0; |
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257 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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258 NGX_PROCESS_RESPAWN); |
3018 | 259 ngx_start_cache_manager_processes(cycle, 0); |
278
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260 live = 1; |
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261 } |
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262 |
318
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263 if (ngx_reopen) { |
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264 ngx_reopen = 0; |
477 | 265 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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266 ngx_reopen_files(cycle, ccf->user); |
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267 ngx_signal_worker_processes(cycle, |
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268 ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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269 } |
278
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270 |
318
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271 if (ngx_change_binary) { |
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272 ngx_change_binary = 0; |
477 | 273 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary"); |
452 | 274 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv); |
318
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275 } |
317
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276 |
318
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277 if (ngx_noaccept) { |
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278 ngx_noaccept = 0; |
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279 ngx_noaccepting = 1; |
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280 ngx_signal_worker_processes(cycle, |
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281 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
278
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282 } |
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283 } |
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284 } |
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285 |
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286 |
501 | 287 void |
288 ngx_single_process_cycle(ngx_cycle_t *cycle) | |
318
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289 { |
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290 ngx_uint_t i; |
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291 |
3826
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allow "env" to work in the single process mode
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292 if (ngx_set_environment(cycle, NULL) == NULL) { |
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293 /* fatal */ |
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294 exit(2); |
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295 } |
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296 |
6379
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Dynamic modules: changed ngx_modules to cycle->modules.
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297 for (i = 0; cycle->modules[i]; i++) { |
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Dynamic modules: changed ngx_modules to cycle->modules.
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298 if (cycle->modules[i]->init_process) { |
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299 if (cycle->modules[i]->init_process(cycle) == NGX_ERROR) { |
318
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300 /* fatal */ |
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301 exit(2); |
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302 } |
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303 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
304 } |
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305 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
306 for ( ;; ) { |
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307 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); |
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308 |
563 | 309 ngx_process_events_and_timers(cycle); |
318
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310 |
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311 if (ngx_terminate || ngx_quit) { |
571 | 312 |
6379
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Dynamic modules: changed ngx_modules to cycle->modules.
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|
313 for (i = 0; cycle->modules[i]; i++) { |
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Dynamic modules: changed ngx_modules to cycle->modules.
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|
314 if (cycle->modules[i]->exit_process) { |
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Dynamic modules: changed ngx_modules to cycle->modules.
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parents:
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|
315 cycle->modules[i]->exit_process(cycle); |
571 | 316 } |
317 } | |
318 | |
573 | 319 ngx_master_process_exit(cycle); |
318
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320 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
321 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
322 if (ngx_reconfigure) { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
323 ngx_reconfigure = 0; |
477 | 324 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
318
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|
325 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
326 cycle = ngx_init_cycle(cycle); |
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|
327 if (cycle == NULL) { |
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|
328 cycle = (ngx_cycle_t *) ngx_cycle; |
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diff
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|
329 continue; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
330 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
331 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
332 ngx_cycle = cycle; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
333 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
334 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
335 if (ngx_reopen) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
336 ngx_reopen = 0; |
477 | 337 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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|
338 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
diff
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|
339 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
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|
340 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
341 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
342 |
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nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
343 |
501 | 344 static void |
345 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type) | |
317
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parents:
315
diff
changeset
|
346 { |
3018 | 347 ngx_int_t i; |
557 | 348 ngx_channel_t ch; |
317
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315
diff
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|
349 |
477 | 350 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); |
317
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parents:
315
diff
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|
351 |
5245
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
352 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
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parents:
5137
diff
changeset
|
353 |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
changeset
|
354 ch.command = NGX_CMD_OPEN_CHANNEL; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
355 |
577 | 356 for (i = 0; i < n; i++) { |
357 | |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
358 ngx_spawn_process(cycle, ngx_worker_process_cycle, |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
359 (void *) (intptr_t) i, "worker process", type); |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
360 |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
changeset
|
361 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
changeset
|
362 ch.slot = ngx_process_slot; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
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parents:
357
diff
changeset
|
363 ch.fd = ngx_processes[ngx_process_slot].channel[0]; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
364 |
3018 | 365 ngx_pass_open_channel(cycle, &ch); |
317
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
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parents:
315
diff
changeset
|
366 } |
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diff
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|
367 } |
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diff
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|
368 |
360
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parents:
357
diff
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|
369 |
501 | 370 static void |
3018 | 371 ngx_start_cache_manager_processes(ngx_cycle_t *cycle, ngx_uint_t respawn) |
467 | 372 { |
3018 | 373 ngx_uint_t i, manager, loader; |
2592
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374 ngx_path_t **path; |
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375 ngx_channel_t ch; |
467 | 376 |
3018 | 377 manager = 0; |
378 loader = 0; | |
379 | |
4870
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|
380 path = ngx_cycle->paths.elts; |
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Correct plural form for "path" in the whole source base.
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381 for (i = 0; i < ngx_cycle->paths.nelts; i++) { |
3018 | 382 |
383 if (path[i]->manager) { | |
384 manager = 1; | |
385 } | |
386 | |
387 if (path[i]->loader) { | |
388 loader = 1; | |
2592
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|
389 } |
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parents:
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changeset
|
390 } |
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parents:
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diff
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|
391 |
3018 | 392 if (manager == 0) { |
393 return; | |
394 } | |
2592
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diff
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395 |
3018 | 396 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, |
397 &ngx_cache_manager_ctx, "cache manager process", | |
398 respawn ? NGX_PROCESS_JUST_RESPAWN : NGX_PROCESS_RESPAWN); | |
467 | 399 |
5245
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|
400 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
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|
401 |
467 | 402 ch.command = NGX_CMD_OPEN_CHANNEL; |
403 ch.pid = ngx_processes[ngx_process_slot].pid; | |
404 ch.slot = ngx_process_slot; | |
405 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
406 | |
3018 | 407 ngx_pass_open_channel(cycle, &ch); |
408 | |
409 if (loader == 0) { | |
410 return; | |
411 } | |
412 | |
413 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, | |
414 &ngx_cache_loader_ctx, "cache loader process", | |
415 respawn ? NGX_PROCESS_JUST_SPAWN : NGX_PROCESS_NORESPAWN); | |
416 | |
417 ch.command = NGX_CMD_OPEN_CHANNEL; | |
418 ch.pid = ngx_processes[ngx_process_slot].pid; | |
419 ch.slot = ngx_process_slot; | |
420 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
421 | |
422 ngx_pass_open_channel(cycle, &ch); | |
423 } | |
424 | |
425 | |
426 static void | |
427 ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch) | |
428 { | |
429 ngx_int_t i; | |
430 | |
467 | 431 for (i = 0; i < ngx_last_process; i++) { |
432 | |
433 if (i == ngx_process_slot | |
434 || ngx_processes[i].pid == -1 | |
435 || ngx_processes[i].channel[0] == -1) | |
436 { | |
437 continue; | |
438 } | |
439 | |
440 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
6480 | 441 "pass channel s:%i pid:%P fd:%d to s:%i pid:%P fd:%d", |
3018 | 442 ch->slot, ch->pid, ch->fd, |
467 | 443 i, ngx_processes[i].pid, |
444 ngx_processes[i].channel[0]); | |
445 | |
446 /* TODO: NGX_AGAIN */ | |
447 | |
448 ngx_write_channel(ngx_processes[i].channel[0], | |
3018 | 449 ch, sizeof(ngx_channel_t), cycle->log); |
467 | 450 } |
451 } | |
452 | |
453 | |
501 | 454 static void |
455 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo) | |
318
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456 { |
354
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457 ngx_int_t i; |
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458 ngx_err_t err; |
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|
459 ngx_channel_t ch; |
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|
460 |
5245
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parents:
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diff
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|
461 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
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parents:
5137
diff
changeset
|
462 |
1581
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Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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1578
diff
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|
463 #if (NGX_BROKEN_SCM_RIGHTS) |
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diff
changeset
|
464 |
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|
465 ch.command = 0; |
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Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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|
466 |
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diff
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|
467 #else |
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|
468 |
354
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diff
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|
469 switch (signo) { |
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diff
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|
470 |
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diff
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|
471 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): |
eaf1f651cf86
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472 ch.command = NGX_CMD_QUIT; |
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473 break; |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
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|
474 |
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345
diff
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|
475 case ngx_signal_value(NGX_TERMINATE_SIGNAL): |
eaf1f651cf86
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|
476 ch.command = NGX_CMD_TERMINATE; |
eaf1f651cf86
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345
diff
changeset
|
477 break; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
478 |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
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|
479 case ngx_signal_value(NGX_REOPEN_SIGNAL): |
eaf1f651cf86
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diff
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|
480 ch.command = NGX_CMD_REOPEN; |
eaf1f651cf86
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345
diff
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|
481 break; |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
482 |
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nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
483 default: |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
484 ch.command = 0; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
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|
485 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
486 |
1581
81774dc3db28
Cygwin can not pass SCM_RIGHTS via unix socket, use signals
Igor Sysoev <igor@sysoev.ru>
parents:
1578
diff
changeset
|
487 #endif |
81774dc3db28
Cygwin can not pass SCM_RIGHTS via unix socket, use signals
Igor Sysoev <igor@sysoev.ru>
parents:
1578
diff
changeset
|
488 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
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|
489 ch.fd = -1; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
490 |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
491 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
492 for (i = 0; i < ngx_last_process; i++) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
493 |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
494 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 495 "child: %i %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
|
496 i, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
497 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
|
498 ngx_processes[i].exiting, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
499 ngx_processes[i].exited, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
500 ngx_processes[i].detached, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
501 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
|
502 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
|
503 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
504 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) { |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
505 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
506 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
507 |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
508 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
|
509 ngx_processes[i].just_spawn = 0; |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
510 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
511 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
512 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
513 if (ngx_processes[i].exiting |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
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317
diff
changeset
|
514 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL)) |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
515 { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
516 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
517 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
518 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
519 if (ch.command) { |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
520 if (ngx_write_channel(ngx_processes[i].channel[0], |
1132 | 521 &ch, sizeof(ngx_channel_t), cycle->log) |
522 == NGX_OK) | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
523 { |
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nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
524 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
525 ngx_processes[i].exiting = 1; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
526 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
527 |
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nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
528 continue; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
529 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
530 } |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
531 |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
532 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
5266 | 533 "kill (%P, %d)", ngx_processes[i].pid, signo); |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
534 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
535 if (kill(ngx_processes[i].pid, signo) == -1) { |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
536 err = ngx_errno; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
537 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
3047 | 538 "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
|
539 |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
540 if (err == NGX_ESRCH) { |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
541 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
|
542 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
|
543 ngx_reap = 1; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
544 } |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
545 |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
546 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
547 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
548 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
549 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>
parents:
317
diff
changeset
|
550 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
|
551 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
552 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
553 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
554 |
317
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
555 |
501 | 556 static ngx_uint_t |
1565 | 557 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
|
558 { |
543 | 559 ngx_int_t i, n; |
560 ngx_uint_t live; | |
561 ngx_channel_t ch; | |
562 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
|
563 |
5245
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
564 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
565 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
566 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
|
567 ch.fd = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
568 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
569 live = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
570 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
|
571 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
572 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 573 "child: %i %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
|
574 i, |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
575 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
|
576 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
|
577 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 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
|
579 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
|
580 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
|
581 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
582 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
|
583 continue; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
584 } |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
585 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
586 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
|
587 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
588 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
|
589 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
|
590 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
591 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
|
592 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
|
593 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
594 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
|
595 ch.slot = i; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
596 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
597 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
|
598 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
|
599 || 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
|
600 || 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
|
601 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
602 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
603 } |
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 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 606 "pass close channel s:%i pid:%P to:%P", |
607 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
|
608 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
609 /* TODO: NGX_AGAIN */ |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
610 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
611 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
|
612 &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
|
613 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
614 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
615 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
616 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
|
617 && !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
|
618 && !ngx_terminate |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
619 && !ngx_quit) |
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 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
|
622 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
|
623 ngx_processes[i].name, i) |
543 | 624 == 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
|
625 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
626 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
4133
59b99f217c6d
Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents:
3826
diff
changeset
|
627 "could not respawn %s", |
59b99f217c6d
Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents:
3826
diff
changeset
|
628 ngx_processes[i].name); |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
629 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
630 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
631 |
473 | 632 |
633 ch.command = NGX_CMD_OPEN_CHANNEL; | |
634 ch.pid = ngx_processes[ngx_process_slot].pid; | |
635 ch.slot = ngx_process_slot; | |
636 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
637 | |
3018 | 638 ngx_pass_open_channel(cycle, &ch); |
473 | 639 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
640 live = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
641 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
642 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
643 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
644 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
645 if (ngx_processes[i].pid == ngx_new_binary) { |
543 | 646 |
647 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, | |
648 ngx_core_module); | |
649 | |
650 if (ngx_rename_file((char *) ccf->oldpid.data, | |
651 (char *) ccf->pid.data) | |
5137
f941cf265cc5
Use NGX_FILE_ERROR for handling file operations errors.
Valentin Bartenev <vbart@nginx.com>
parents:
4917
diff
changeset
|
652 == NGX_FILE_ERROR) |
543 | 653 { |
654 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
655 ngx_rename_file_n " %s back to %s failed " | |
656 "after the new binary process \"%s\" exited", | |
657 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]); | |
658 } | |
659 | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
660 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
|
661 if (ngx_noaccepting) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
662 ngx_restart = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
663 ngx_noaccepting = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
664 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
665 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
666 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
667 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
|
668 ngx_last_process--; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
669 |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
670 } else { |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
671 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
|
672 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
673 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
674 } 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
|
675 live = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
676 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
677 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
678 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
679 return live; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
680 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
681 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
682 |
501 | 683 static void |
573 | 684 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
|
685 { |
571 | 686 ngx_uint_t i; |
687 | |
310
a9a9af2c7370
nginx-0.0.3-2004-04-12-10:10:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
309
diff
changeset
|
688 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
|
689 |
477 | 690 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
|
691 |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
692 for (i = 0; cycle->modules[i]; i++) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
693 if (cycle->modules[i]->exit_master) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
694 cycle->modules[i]->exit_master(cycle); |
571 | 695 } |
696 } | |
697 | |
3230
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
698 ngx_close_listening_sockets(cycle); |
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
699 |
505 | 700 /* |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
701 * 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
|
702 * 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
|
703 * 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
|
704 * ngx_cycle->pool is already destroyed. |
505 | 705 */ |
706 | |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
707 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
708 ngx_exit_log = *ngx_log_get_file_log(ngx_cycle->log); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
709 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
710 ngx_exit_log_file.fd = ngx_exit_log.file->fd; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
711 ngx_exit_log.file = &ngx_exit_log_file; |
5254
7ecaa9e4bf1b
Core: support several "error_log" directives.
Vladimir Homutov <vl@nginx.com>
parents:
5245
diff
changeset
|
712 ngx_exit_log.next = NULL; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
713 ngx_exit_log.writer = NULL; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
714 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
715 ngx_exit_cycle.log = &ngx_exit_log; |
4691
626157fe6f17
Fixed segfault with poll and resolver used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4549
diff
changeset
|
716 ngx_exit_cycle.files = ngx_cycle->files; |
626157fe6f17
Fixed segfault with poll and resolver used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4549
diff
changeset
|
717 ngx_exit_cycle.files_n = ngx_cycle->files_n; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
718 ngx_cycle = &ngx_exit_cycle; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
719 |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
720 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
|
721 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
722 exit(0); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
723 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
724 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
725 |
501 | 726 static void |
727 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
|
728 { |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
729 ngx_int_t worker = (intptr_t) data; |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
730 |
3358
f94e8ff65aa2
add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents:
3304
diff
changeset
|
731 ngx_process = NGX_PROCESS_WORKER; |
6151
b4cc553aafeb
Introduced worker number, ngx_worker.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6127
diff
changeset
|
732 ngx_worker = worker; |
3358
f94e8ff65aa2
add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents:
3304
diff
changeset
|
733 |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
734 ngx_worker_process_init(cycle, worker); |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
735 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
736 ngx_setproctitle("worker process"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
737 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
738 for ( ;; ) { |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
739 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
740 if (ngx_exiting) { |
6929
3069dd358ba2
Cancelable timers are now preserved if there are other timers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6727
diff
changeset
|
741 if (ngx_event_no_timers_left() == NGX_OK) { |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
742 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
|
743 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
744 ngx_worker_process_exit(cycle); |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
745 } |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
746 } |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
747 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
748 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
|
749 |
563 | 750 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
|
751 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
752 if (ngx_terminate) { |
477 | 753 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
|
754 |
573 | 755 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
|
756 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
757 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
758 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
|
759 ngx_quit = 0; |
477 | 760 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
|
761 "gracefully shutting down"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
762 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
|
763 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
764 if (!ngx_exiting) { |
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
765 ngx_exiting = 1; |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
766 ngx_close_listening_sockets(cycle); |
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
767 ngx_close_idle_connections(cycle); |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
768 } |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
769 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
770 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
771 if (ngx_reopen) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
772 ngx_reopen = 0; |
477 | 773 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
774 ngx_reopen_files(cycle, -1); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
775 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
776 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
777 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
778 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
779 |
501 | 780 static void |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
781 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker) |
467 | 782 { |
1069 | 783 sigset_t set; |
784 ngx_int_t n; | |
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6650
diff
changeset
|
785 ngx_time_t *tp; |
1069 | 786 ngx_uint_t i; |
6402
7296b38f6416
Core: added support for more than 64 CPUs in worker_cpu_affinity.
Vladimir Homutov <vl@nginx.com>
parents:
6379
diff
changeset
|
787 ngx_cpuset_t *cpu_affinity; |
1069 | 788 struct rlimit rlmt; |
789 ngx_core_conf_t *ccf; | |
790 ngx_listening_t *ls; | |
467 | 791 |
1069 | 792 if (ngx_set_environment(cycle, NULL) == NULL) { |
793 /* fatal */ | |
794 exit(2); | |
795 } | |
796 | |
467 | 797 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
798 | |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
799 if (worker >= 0 && ccf->priority != 0) { |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
800 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) { |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
801 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
802 "setpriority(%d) failed", ccf->priority); |
473 | 803 } |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
804 } |
473 | 805 |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
806 if (ccf->rlimit_nofile != NGX_CONF_UNSET) { |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
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parents:
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diff
changeset
|
807 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile; |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
808 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile; |
543 | 809 |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
810 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
811 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
812 "setrlimit(RLIMIT_NOFILE, %i) failed", |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
813 ccf->rlimit_nofile); |
543 | 814 } |
1404
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set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
815 } |
543 | 816 |
3762
89002ac695e5
worker_rlimit_core should be off_t
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
817 if (ccf->rlimit_core != NGX_CONF_UNSET) { |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
diff
changeset
|
818 rlmt.rlim_cur = (rlim_t) ccf->rlimit_core; |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
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parents:
1135
diff
changeset
|
819 rlmt.rlim_max = (rlim_t) ccf->rlimit_core; |
589 | 820 |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
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parents:
1135
diff
changeset
|
821 if (setrlimit(RLIMIT_CORE, &rlmt) == -1) { |
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
822 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
3762
89002ac695e5
worker_rlimit_core should be off_t
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
823 "setrlimit(RLIMIT_CORE, %O) failed", |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
824 ccf->rlimit_core); |
589 | 825 } |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
826 } |
589 | 827 |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
828 if (geteuid() == 0) { |
467 | 829 if (setgid(ccf->group) == -1) { |
830 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
831 "setgid(%d) failed", ccf->group); | |
832 /* fatal */ | |
833 exit(2); | |
834 } | |
835 | |
473 | 836 if (initgroups(ccf->username, ccf->group) == -1) { |
837 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
838 "initgroups(%s, %d) failed", | |
839 ccf->username, ccf->group); | |
840 } | |
841 | |
467 | 842 if (setuid(ccf->user) == -1) { |
843 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, | |
844 "setuid(%d) failed", ccf->user); | |
845 /* fatal */ | |
846 exit(2); | |
847 } | |
848 } | |
849 | |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
850 if (worker >= 0) { |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
851 cpu_affinity = ngx_get_cpu_affinity(worker); |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
852 |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
853 if (cpu_affinity) { |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
854 ngx_setaffinity(cpu_affinity, cycle->log); |
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
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|
855 } |
577 | 856 } |
857 | |
467 | 858 #if (NGX_HAVE_PR_SET_DUMPABLE) |
859 | |
860 /* allow coredump after setuid() in Linux 2.4.x */ | |
861 | |
862 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) { | |
863 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
864 "prctl(PR_SET_DUMPABLE) failed"); | |
865 } | |
866 | |
867 #endif | |
868 | |
521 | 869 if (ccf->working_directory.len) { |
523 | 870 if (chdir((char *) ccf->working_directory.data) == -1) { |
521 | 871 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
872 "chdir(\"%s\") failed", ccf->working_directory.data); | |
873 /* fatal */ | |
874 exit(2); | |
875 } | |
876 } | |
877 | |
467 | 878 sigemptyset(&set); |
879 | |
880 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) { | |
881 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
882 "sigprocmask() failed"); | |
883 } | |
884 | |
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6650
diff
changeset
|
885 tp = ngx_timeofday(); |
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6650
diff
changeset
|
886 srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); |
5499
b91bcba29351
Added per-process random seeding (ticket #456).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5266
diff
changeset
|
887 |
467 | 888 /* |
889 * disable deleting previous events for the listening sockets because | |
890 * in the worker processes there are no events at all at this point | |
577 | 891 */ |
467 | 892 ls = cycle->listening.elts; |
893 for (i = 0; i < cycle->listening.nelts; i++) { | |
543 | 894 ls[i].previous = NULL; |
467 | 895 } |
896 | |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
897 for (i = 0; cycle->modules[i]; i++) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
898 if (cycle->modules[i]->init_process) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
899 if (cycle->modules[i]->init_process(cycle) == NGX_ERROR) { |
467 | 900 /* fatal */ |
901 exit(2); | |
902 } | |
903 } | |
904 } | |
905 | |
906 for (n = 0; n < ngx_last_process; n++) { | |
907 | |
908 if (ngx_processes[n].pid == -1) { | |
909 continue; | |
910 } | |
911 | |
912 if (n == ngx_process_slot) { | |
913 continue; | |
914 } | |
915 | |
916 if (ngx_processes[n].channel[1] == -1) { | |
917 continue; | |
918 } | |
919 | |
920 if (close(ngx_processes[n].channel[1]) == -1) { | |
921 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
922 "close() channel failed"); | |
923 } | |
924 } | |
925 | |
926 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) { | |
927 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
928 "close() channel failed"); | |
929 } | |
930 | |
931 #if 0 | |
932 ngx_last_process = 0; | |
933 #endif | |
934 | |
935 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT, | |
1133 | 936 ngx_channel_handler) |
937 == NGX_ERROR) | |
467 | 938 { |
939 /* fatal */ | |
940 exit(2); | |
941 } | |
942 } | |
943 | |
944 | |
501 | 945 static void |
573 | 946 ngx_worker_process_exit(ngx_cycle_t *cycle) |
947 { | |
948 ngx_uint_t i; | |
949 ngx_connection_t *c; | |
950 | |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
951 for (i = 0; cycle->modules[i]; i++) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
952 if (cycle->modules[i]->exit_process) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
953 cycle->modules[i]->exit_process(cycle); |
573 | 954 } |
955 } | |
956 | |
1905
0cafbfd8112e
left open sockets were not really tested
Igor Sysoev <igor@sysoev.ru>
parents:
1900
diff
changeset
|
957 if (ngx_exiting) { |
587 | 958 c = cycle->connections; |
959 for (i = 0; i < cycle->connection_n; i++) { | |
960 if (c[i].fd != -1 | |
961 && c[i].read | |
962 && !c[i].read->accept | |
1905
0cafbfd8112e
left open sockets were not really tested
Igor Sysoev <igor@sysoev.ru>
parents:
1900
diff
changeset
|
963 && !c[i].read->channel |
0cafbfd8112e
left open sockets were not really tested
Igor Sysoev <igor@sysoev.ru>
parents:
1900
diff
changeset
|
964 && !c[i].read->resolver) |
587 | 965 { |
966 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
5601
e45fa57ef725
Added connection serial number in logging of left open sockets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5499
diff
changeset
|
967 "*%uA open socket #%d left in connection %ui", |
e45fa57ef725
Added connection serial number in logging of left open sockets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5499
diff
changeset
|
968 c[i].number, c[i].fd, i); |
3026
f4b5c787fe33
fix debug point for left open sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3019
diff
changeset
|
969 ngx_debug_quit = 1; |
587 | 970 } |
573 | 971 } |
972 | |
587 | 973 if (ngx_debug_quit) { |
3026
f4b5c787fe33
fix debug point for left open sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3019
diff
changeset
|
974 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "aborting"); |
587 | 975 ngx_debug_point(); |
976 } | |
573 | 977 } |
978 | |
979 /* | |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
980 * 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
|
981 * log, and log file structures enough to allow a signal handler to log. |
e498f4cb1663
destroy ngx_cycle->pool on exit
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parents:
1404
diff
changeset
|
982 * The handler may be called when standard ngx_cycle->log allocated from |
e498f4cb1663
destroy ngx_cycle->pool on exit
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parents:
1404
diff
changeset
|
983 * ngx_cycle->pool is already destroyed. |
573 | 984 */ |
985 | |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
986 ngx_exit_log = *ngx_log_get_file_log(ngx_cycle->log); |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
987 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
988 ngx_exit_log_file.fd = ngx_exit_log.file->fd; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
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parents:
1404
diff
changeset
|
989 ngx_exit_log.file = &ngx_exit_log_file; |
5254
7ecaa9e4bf1b
Core: support several "error_log" directives.
Vladimir Homutov <vl@nginx.com>
parents:
5245
diff
changeset
|
990 ngx_exit_log.next = NULL; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
991 ngx_exit_log.writer = NULL; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
992 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
993 ngx_exit_cycle.log = &ngx_exit_log; |
4691
626157fe6f17
Fixed segfault with poll and resolver used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4549
diff
changeset
|
994 ngx_exit_cycle.files = ngx_cycle->files; |
626157fe6f17
Fixed segfault with poll and resolver used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4549
diff
changeset
|
995 ngx_exit_cycle.files_n = ngx_cycle->files_n; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
996 ngx_cycle = &ngx_exit_cycle; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
997 |
573 | 998 ngx_destroy_pool(cycle->pool); |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
999 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
1000 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, "exit"); |
573 | 1001 |
1002 exit(0); | |
1003 } | |
1004 | |
1005 | |
1006 static void | |
501 | 1007 ngx_channel_handler(ngx_event_t *ev) |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1008 { |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
1009 ngx_int_t n; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1010 ngx_channel_t ch; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1011 ngx_connection_t *c; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1012 |
467 | 1013 if (ev->timedout) { |
1014 ev->timedout = 0; | |
1015 return; | |
1016 } | |
1017 | |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1018 c = ev->data; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1019 |
357
e260514b9ad4
nginx-0.0.7-2004-06-16-23:36:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
1020 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler"); |
e260514b9ad4
nginx-0.0.7-2004-06-16-23:36:07 import
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parents:
355
diff
changeset
|
1021 |
2031 | 1022 for ( ;; ) { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
345
diff
changeset
|
1023 |
2031 | 1024 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log); |
1025 | |
1026 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
|
1027 |
2031 | 1028 if (n == NGX_ERROR) { |
1900
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1029 |
2031 | 1030 if (ngx_event_flags & NGX_USE_EPOLL_EVENT) { |
1031 ngx_del_conn(c, 0); | |
1032 } | |
1033 | |
1034 ngx_close_connection(c); | |
1035 return; | |
1900
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1036 } |
55a9d867e3c8
avoid endless loop if epoll is used
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
1037 |
2031 | 1038 if (ngx_event_flags & NGX_USE_EVENTPORT_EVENT) { |
1039 if (ngx_add_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) { | |
1040 return; | |
1041 } | |
1042 } | |
461 | 1043 |
2031 | 1044 if (n == NGX_AGAIN) { |
1134
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1045 return; |
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1046 } |
2031 | 1047 |
1048 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, | |
6480 | 1049 "channel command: %ui", ch.command); |
1134
384c92c210f9
worker processes did not exit after reconfiguration and
Igor Sysoev <igor@sysoev.ru>
parents:
1133
diff
changeset
|
1050 |
2031 | 1051 switch (ch.command) { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
1052 |
2031 | 1053 case NGX_CMD_QUIT: |
1054 ngx_quit = 1; | |
1055 break; | |
354
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1056 |
2031 | 1057 case NGX_CMD_TERMINATE: |
1058 ngx_terminate = 1; | |
1059 break; | |
354
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1060 |
2031 | 1061 case NGX_CMD_REOPEN: |
1062 ngx_reopen = 1; | |
1063 break; | |
354
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1064 |
2031 | 1065 case NGX_CMD_OPEN_CHANNEL: |
360
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1066 |
2031 | 1067 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0, |
1068 "get channel s:%i pid:%P fd:%d", | |
1069 ch.slot, ch.pid, ch.fd); | |
360
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1070 |
2031 | 1071 ngx_processes[ch.slot].pid = ch.pid; |
1072 ngx_processes[ch.slot].channel[0] = ch.fd; | |
1073 break; | |
365
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1074 |
2031 | 1075 case NGX_CMD_CLOSE_CHANNEL: |
365
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1076 |
2031 | 1077 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0, |
1078 "close channel s:%i pid:%P our:%P fd:%d", | |
1079 ch.slot, ch.pid, ngx_processes[ch.slot].pid, | |
1080 ngx_processes[ch.slot].channel[0]); | |
365
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1081 |
2031 | 1082 if (close(ngx_processes[ch.slot].channel[0]) == -1) { |
1083 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, | |
1084 "close() channel failed"); | |
1085 } | |
1086 | |
1087 ngx_processes[ch.slot].channel[0] = -1; | |
1088 break; | |
365
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1089 } |
354
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1090 } |
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1091 } |
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1092 |
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1093 |
501 | 1094 static void |
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1095 ngx_cache_manager_process_cycle(ngx_cycle_t *cycle, void *data) |
467 | 1096 { |
3018 | 1097 ngx_cache_manager_ctx_t *ctx = data; |
1098 | |
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1099 void *ident[4]; |
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1100 ngx_event_t ev; |
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1101 |
4917
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1102 /* |
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1103 * Set correct process type since closing listening Unix domain socket |
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1104 * in a master process also removes the Unix domain socket file. |
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1105 */ |
3358
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1106 ngx_process = NGX_PROCESS_HELPER; |
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1107 |
4917
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1108 ngx_close_listening_sockets(cycle); |
467 | 1109 |
4917
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1110 /* Set a moderate number of connections for a helper process. */ |
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1111 cycle->connection_n = 512; |
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1112 |
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1113 ngx_worker_process_init(cycle, -1); |
467 | 1114 |
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1115 ngx_memzero(&ev, sizeof(ngx_event_t)); |
3018 | 1116 ev.handler = ctx->handler; |
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1117 ev.data = ident; |
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1118 ev.log = cycle->log; |
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|
1119 ident[3] = (void *) -1; |
467 | 1120 |
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1121 ngx_use_accept_mutex = 0; |
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1122 |
3018 | 1123 ngx_setproctitle(ctx->name); |
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1124 |
3018 | 1125 ngx_add_timer(&ev, ctx->delay); |
467 | 1126 |
1127 for ( ;; ) { | |
1128 | |
1129 if (ngx_terminate || ngx_quit) { | |
477 | 1130 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
467 | 1131 exit(0); |
1132 } | |
1133 | |
1134 if (ngx_reopen) { | |
1135 ngx_reopen = 0; | |
477 | 1136 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
467 | 1137 ngx_reopen_files(cycle, -1); |
1138 } | |
1139 | |
563 | 1140 ngx_process_events_and_timers(cycle); |
467 | 1141 } |
1142 } | |
501 | 1143 |
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1144 |
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1145 static void |
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1146 ngx_cache_manager_process_handler(ngx_event_t *ev) |
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1147 { |
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|
1148 ngx_uint_t i; |
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1149 ngx_msec_t next, n; |
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1150 ngx_path_t **path; |
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1151 |
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1152 next = 60 * 60 * 1000; |
2592
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|
1153 |
4870
8a9b7b4e9f2d
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|
1154 path = ngx_cycle->paths.elts; |
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Andrey Belov <defan@nginx.com>
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1155 for (i = 0; i < ngx_cycle->paths.nelts; i++) { |
2592
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1156 |
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1157 if (path[i]->manager) { |
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|
1158 n = path[i]->manager(path[i]->data); |
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1159 |
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1160 next = (n <= next) ? n : next; |
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1161 |
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|
1162 ngx_time_update(); |
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1163 } |
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1164 } |
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1165 |
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1166 if (next == 0) { |
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1167 next = 1; |
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1168 } |
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1169 |
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1170 ngx_add_timer(ev, next); |
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1171 } |
3018 | 1172 |
1173 | |
1174 static void | |
1175 ngx_cache_loader_process_handler(ngx_event_t *ev) | |
1176 { | |
1177 ngx_uint_t i; | |
1178 ngx_path_t **path; | |
1179 ngx_cycle_t *cycle; | |
1180 | |
1181 cycle = (ngx_cycle_t *) ngx_cycle; | |
1182 | |
4870
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diff
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|
1183 path = cycle->paths.elts; |
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Andrey Belov <defan@nginx.com>
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|
1184 for (i = 0; i < cycle->paths.nelts; i++) { |
3018 | 1185 |
1186 if (ngx_terminate || ngx_quit) { | |
1187 break; | |
1188 } | |
1189 | |
1190 if (path[i]->loader) { | |
1191 path[i]->loader(path[i]->data); | |
3475
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|
1192 ngx_time_update(); |
3018 | 1193 } |
1194 } | |
1195 | |
1196 exit(0); | |
1197 } |