Mercurial > hg > nginx
annotate src/os/unix/ngx_process_cycle.c @ 7162:8b84d60ef13d
Fixed "changing binary" when reaper is not init.
On some systems, it's possible that reaper of orphaned processes is
set to something other than "init" process. On such systems, the
changing binary procedure did not work.
The fix is to check if PPID has changed, instead of assuming it's
always 1 for orphaned processes.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Tue, 28 Nov 2017 12:00:24 +0300 |
parents | d45072375572 |
children | 84e53e4735a4 |
rev | line source |
---|---|
441
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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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6 |
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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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12 |
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13 |
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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); | |
318
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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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Fixed setting of CPU affinity on respawn of dead worker processes.
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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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introduce cache manager instead of cache cleaner
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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; |
278
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33 ngx_pid_t ngx_pid; |
7162
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34 ngx_pid_t ngx_parent; |
278
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35 |
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36 sig_atomic_t ngx_reap; |
354
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37 sig_atomic_t ngx_sigio; |
3048
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38 sig_atomic_t ngx_sigalrm; |
278
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39 sig_atomic_t ngx_terminate; |
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40 sig_atomic_t ngx_quit; |
477 | 41 sig_atomic_t ngx_debug_quit; |
326
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42 ngx_uint_t ngx_exiting; |
278
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43 sig_atomic_t ngx_reconfigure; |
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44 sig_atomic_t ngx_reopen; |
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45 |
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46 sig_atomic_t ngx_change_binary; |
317
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47 ngx_pid_t ngx_new_binary; |
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48 ngx_uint_t ngx_inherited; |
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49 ngx_uint_t ngx_daemonized; |
317
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50 |
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51 sig_atomic_t ngx_noaccept; |
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52 ngx_uint_t ngx_noaccepting; |
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53 ngx_uint_t ngx_restart; |
278
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54 |
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55 |
577 | 56 static u_char master_process[] = "master process"; |
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57 |
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58 |
3018 | 59 static ngx_cache_manager_ctx_t ngx_cache_manager_ctx = { |
60 ngx_cache_manager_process_handler, "cache manager process", 0 | |
61 }; | |
62 | |
63 static ngx_cache_manager_ctx_t ngx_cache_loader_ctx = { | |
64 ngx_cache_loader_process_handler, "cache loader process", 60000 | |
65 }; | |
66 | |
67 | |
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68 static ngx_cycle_t ngx_exit_cycle; |
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69 static ngx_log_t ngx_exit_log; |
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destroy ngx_cycle->pool on exit
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70 static ngx_open_file_t ngx_exit_log_file; |
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71 |
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72 |
501 | 73 void |
74 ngx_master_process_cycle(ngx_cycle_t *cycle) | |
317
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75 { |
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76 char *title; |
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77 u_char *p; |
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78 size_t size; |
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79 ngx_int_t i; |
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Fix a bug introduced in r2032: After a child process has read a terminate
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80 ngx_uint_t n, sigio; |
317
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81 sigset_t set; |
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82 struct itimerval itv; |
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83 ngx_uint_t live; |
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84 ngx_msec_t delay; |
531 | 85 ngx_listening_t *ls; |
317
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86 ngx_core_conf_t *ccf; |
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87 |
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88 sigemptyset(&set); |
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89 sigaddset(&set, SIGCHLD); |
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90 sigaddset(&set, SIGALRM); |
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91 sigaddset(&set, SIGIO); |
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92 sigaddset(&set, SIGINT); |
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93 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL)); |
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94 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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95 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL)); |
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96 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
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97 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
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98 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL)); |
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99 |
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100 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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101 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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102 "sigprocmask() failed"); |
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103 } |
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104 |
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105 sigemptyset(&set); |
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106 |
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107 |
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108 size = sizeof(master_process); |
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109 |
452 | 110 for (i = 0; i < ngx_argc; i++) { |
111 size += ngx_strlen(ngx_argv[i]) + 1; | |
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112 } |
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113 |
2049 | 114 title = ngx_pnalloc(cycle->pool, size); |
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115 if (title == NULL) { |
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116 /* fatal */ |
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117 exit(2); |
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118 } |
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119 |
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120 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1); |
452 | 121 for (i = 0; i < ngx_argc; i++) { |
326
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122 *p++ = ' '; |
452 | 123 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size); |
326
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124 } |
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125 |
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126 ngx_setproctitle(title); |
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127 |
317
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128 |
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129 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
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130 |
318
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131 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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132 NGX_PROCESS_RESPAWN); |
3018 | 133 ngx_start_cache_manager_processes(cycle, 0); |
317
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134 |
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135 ngx_new_binary = 0; |
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136 delay = 0; |
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137 sigio = 0; |
317
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138 live = 1; |
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139 |
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140 for ( ;; ) { |
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141 if (delay) { |
3048
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142 if (ngx_sigalrm) { |
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143 sigio = 0; |
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144 delay *= 2; |
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145 ngx_sigalrm = 0; |
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146 } |
317
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147 |
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148 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 149 "termination cycle: %M", delay); |
317
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150 |
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151 itv.it_interval.tv_sec = 0; |
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152 itv.it_interval.tv_usec = 0; |
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153 itv.it_value.tv_sec = delay / 1000; |
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154 itv.it_value.tv_usec = (delay % 1000 ) * 1000; |
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155 |
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156 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) { |
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157 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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158 "setitimer() failed"); |
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159 } |
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160 } |
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161 |
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162 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend"); |
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163 |
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164 sigsuspend(&set); |
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165 |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
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166 ngx_time_update(); |
317
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167 |
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168 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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169 "wake up, sigio %i", sigio); |
317
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170 |
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171 if (ngx_reap) { |
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172 ngx_reap = 0; |
1565 | 173 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap children"); |
317
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174 |
1565 | 175 live = ngx_reap_children(cycle); |
317
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176 } |
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177 |
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178 if (!live && (ngx_terminate || ngx_quit)) { |
573 | 179 ngx_master_process_exit(cycle); |
317
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180 } |
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181 |
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182 if (ngx_terminate) { |
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183 if (delay == 0) { |
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184 delay = 50; |
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185 } |
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186 |
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187 if (sigio) { |
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188 sigio--; |
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189 continue; |
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190 } |
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191 |
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192 sigio = ccf->worker_processes + 2 /* cache processes */; |
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193 |
317
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194 if (delay > 1000) { |
318
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195 ngx_signal_worker_processes(cycle, SIGKILL); |
317
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196 } else { |
318
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197 ngx_signal_worker_processes(cycle, |
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198 ngx_signal_value(NGX_TERMINATE_SIGNAL)); |
317
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199 } |
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200 |
318
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201 continue; |
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202 } |
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203 |
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204 if (ngx_quit) { |
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205 ngx_signal_worker_processes(cycle, |
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206 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
531 | 207 |
208 ls = cycle->listening.elts; | |
209 for (n = 0; n < cycle->listening.nelts; n++) { | |
210 if (ngx_close_socket(ls[n].fd) == -1) { | |
211 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno, | |
212 ngx_close_socket_n " %V failed", | |
213 &ls[n].addr_text); | |
214 } | |
215 } | |
216 cycle->listening.nelts = 0; | |
217 | |
318
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218 continue; |
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|
219 } |
317
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220 |
318
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|
221 if (ngx_reconfigure) { |
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222 ngx_reconfigure = 0; |
329
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|
223 |
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224 if (ngx_new_binary) { |
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225 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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|
226 NGX_PROCESS_RESPAWN); |
3018 | 227 ngx_start_cache_manager_processes(cycle, 0); |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
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diff
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228 ngx_noaccepting = 0; |
3b1e8c9df9ad
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diff
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|
229 |
329
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|
230 continue; |
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231 } |
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232 |
477 | 233 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
317
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234 |
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235 cycle = ngx_init_cycle(cycle); |
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236 if (cycle == NULL) { |
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237 cycle = (ngx_cycle_t *) ngx_cycle; |
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238 continue; |
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|
239 } |
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|
240 |
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|
241 ngx_cycle = cycle; |
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242 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, |
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243 ngx_core_module); |
318
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244 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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245 NGX_PROCESS_JUST_RESPAWN); |
3018 | 246 ngx_start_cache_manager_processes(cycle, 1); |
4500
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247 |
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Added msleep() on reload to allow new processes to start.
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248 /* allow new processes to start */ |
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Added msleep() on reload to allow new processes to start.
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249 ngx_msleep(100); |
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250 |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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251 live = 1; |
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252 ngx_signal_worker_processes(cycle, |
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253 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
317
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nginx-0.0.3-2004-04-15-19:34:36 import
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254 } |
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nginx-0.0.3-2004-04-15-19:34:36 import
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255 |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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256 if (ngx_restart) { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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257 ngx_restart = 0; |
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258 ngx_start_worker_processes(cycle, ccf->worker_processes, |
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nginx-0.0.3-2004-04-16-09:14:16 import
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259 NGX_PROCESS_RESPAWN); |
3018 | 260 ngx_start_cache_manager_processes(cycle, 0); |
278
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261 live = 1; |
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262 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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263 |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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264 if (ngx_reopen) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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265 ngx_reopen = 0; |
477 | 266 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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267 ngx_reopen_files(cycle, ccf->user); |
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nginx-0.0.3-2004-04-16-09:14:16 import
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268 ngx_signal_worker_processes(cycle, |
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269 ngx_signal_value(NGX_REOPEN_SIGNAL)); |
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nginx-0.0.3-2004-04-16-09:14:16 import
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270 } |
278
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271 |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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272 if (ngx_change_binary) { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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273 ngx_change_binary = 0; |
477 | 274 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary"); |
452 | 275 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv); |
318
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276 } |
317
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277 |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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278 if (ngx_noaccept) { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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279 ngx_noaccept = 0; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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280 ngx_noaccepting = 1; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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281 ngx_signal_worker_processes(cycle, |
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nginx-0.0.3-2004-04-16-09:14:16 import
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282 ngx_signal_value(NGX_SHUTDOWN_SIGNAL)); |
278
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parents:
diff
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283 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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284 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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285 } |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
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286 |
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nginx-0.0.2-2004-03-04-10:04:55 import
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287 |
501 | 288 void |
289 ngx_single_process_cycle(ngx_cycle_t *cycle) | |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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290 { |
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nginx-0.0.3-2004-04-16-09:14:16 import
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291 ngx_uint_t i; |
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nginx-0.0.3-2004-04-16-09:14:16 import
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292 |
3826
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allow "env" to work in the single process mode
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293 if (ngx_set_environment(cycle, NULL) == NULL) { |
6843e7c492b7
allow "env" to work in the single process mode
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294 /* fatal */ |
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allow "env" to work in the single process mode
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295 exit(2); |
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allow "env" to work in the single process mode
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296 } |
6843e7c492b7
allow "env" to work in the single process mode
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297 |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
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parents:
6220
diff
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|
298 for (i = 0; cycle->modules[i]; i++) { |
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Dynamic modules: changed ngx_modules to cycle->modules.
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299 if (cycle->modules[i]->init_process) { |
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Dynamic modules: changed ngx_modules to cycle->modules.
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300 if (cycle->modules[i]->init_process(cycle) == NGX_ERROR) { |
318
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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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|
301 /* fatal */ |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
302 exit(2); |
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nginx-0.0.3-2004-04-16-09:14:16 import
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|
303 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
304 } |
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
305 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
306 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
307 for ( ;; ) { |
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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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|
308 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle"); |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
309 |
563 | 310 ngx_process_events_and_timers(cycle); |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
311 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
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|
312 if (ngx_terminate || ngx_quit) { |
571 | 313 |
6379
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Dynamic modules: changed ngx_modules to cycle->modules.
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parents:
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diff
changeset
|
314 for (i = 0; cycle->modules[i]; i++) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
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parents:
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diff
changeset
|
315 if (cycle->modules[i]->exit_process) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
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parents:
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diff
changeset
|
316 cycle->modules[i]->exit_process(cycle); |
571 | 317 } |
318 } | |
319 | |
573 | 320 ngx_master_process_exit(cycle); |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
321 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
322 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
323 if (ngx_reconfigure) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
324 ngx_reconfigure = 0; |
477 | 325 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
326 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
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|
327 cycle = ngx_init_cycle(cycle); |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
328 if (cycle == NULL) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
329 cycle = (ngx_cycle_t *) ngx_cycle; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
330 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
331 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
332 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
333 ngx_cycle = cycle; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
334 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
335 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
336 if (ngx_reopen) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
337 ngx_reopen = 0; |
477 | 338 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
339 ngx_reopen_files(cycle, (ngx_uid_t) -1); |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
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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parents:
317
diff
changeset
|
342 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
343 |
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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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|
344 |
501 | 345 static void |
346 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type) | |
317
1308b98496a2
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parents:
315
diff
changeset
|
347 { |
3018 | 348 ngx_int_t i; |
557 | 349 ngx_channel_t ch; |
317
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nginx-0.0.3-2004-04-15-19:34:36 import
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parents:
315
diff
changeset
|
350 |
477 | 351 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); |
317
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
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parents:
315
diff
changeset
|
352 |
5245
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
353 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
354 |
360
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
355 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
|
356 |
577 | 357 for (i = 0; i < n; i++) { |
358 | |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
359 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
|
360 (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
|
361 |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
362 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
|
363 ch.slot = ngx_process_slot; |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
357
diff
changeset
|
364 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
|
365 |
3018 | 366 ngx_pass_open_channel(cycle, &ch); |
317
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367 } |
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368 } |
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|
369 |
360
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357
diff
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|
370 |
501 | 371 static void |
3018 | 372 ngx_start_cache_manager_processes(ngx_cycle_t *cycle, ngx_uint_t respawn) |
467 | 373 { |
3018 | 374 ngx_uint_t i, manager, loader; |
2592
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375 ngx_path_t **path; |
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376 ngx_channel_t ch; |
467 | 377 |
3018 | 378 manager = 0; |
379 loader = 0; | |
380 | |
4870
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381 path = ngx_cycle->paths.elts; |
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Correct plural form for "path" in the whole source base.
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382 for (i = 0; i < ngx_cycle->paths.nelts; i++) { |
3018 | 383 |
384 if (path[i]->manager) { | |
385 manager = 1; | |
386 } | |
387 | |
388 if (path[i]->loader) { | |
389 loader = 1; | |
2592
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390 } |
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|
391 } |
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|
392 |
3018 | 393 if (manager == 0) { |
394 return; | |
395 } | |
2592
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diff
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396 |
3018 | 397 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, |
398 &ngx_cache_manager_ctx, "cache manager process", | |
399 respawn ? NGX_PROCESS_JUST_RESPAWN : NGX_PROCESS_RESPAWN); | |
467 | 400 |
5245
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401 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
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|
402 |
467 | 403 ch.command = NGX_CMD_OPEN_CHANNEL; |
404 ch.pid = ngx_processes[ngx_process_slot].pid; | |
405 ch.slot = ngx_process_slot; | |
406 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
407 | |
3018 | 408 ngx_pass_open_channel(cycle, &ch); |
409 | |
410 if (loader == 0) { | |
411 return; | |
412 } | |
413 | |
414 ngx_spawn_process(cycle, ngx_cache_manager_process_cycle, | |
415 &ngx_cache_loader_ctx, "cache loader process", | |
416 respawn ? NGX_PROCESS_JUST_SPAWN : NGX_PROCESS_NORESPAWN); | |
417 | |
418 ch.command = NGX_CMD_OPEN_CHANNEL; | |
419 ch.pid = ngx_processes[ngx_process_slot].pid; | |
420 ch.slot = ngx_process_slot; | |
421 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
422 | |
423 ngx_pass_open_channel(cycle, &ch); | |
424 } | |
425 | |
426 | |
427 static void | |
428 ngx_pass_open_channel(ngx_cycle_t *cycle, ngx_channel_t *ch) | |
429 { | |
430 ngx_int_t i; | |
431 | |
467 | 432 for (i = 0; i < ngx_last_process; i++) { |
433 | |
434 if (i == ngx_process_slot | |
435 || ngx_processes[i].pid == -1 | |
436 || ngx_processes[i].channel[0] == -1) | |
437 { | |
438 continue; | |
439 } | |
440 | |
441 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
6480 | 442 "pass channel s:%i pid:%P fd:%d to s:%i pid:%P fd:%d", |
3018 | 443 ch->slot, ch->pid, ch->fd, |
467 | 444 i, ngx_processes[i].pid, |
445 ngx_processes[i].channel[0]); | |
446 | |
447 /* TODO: NGX_AGAIN */ | |
448 | |
449 ngx_write_channel(ngx_processes[i].channel[0], | |
3018 | 450 ch, sizeof(ngx_channel_t), cycle->log); |
467 | 451 } |
452 } | |
453 | |
454 | |
501 | 455 static void |
456 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo) | |
318
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457 { |
354
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458 ngx_int_t i; |
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459 ngx_err_t err; |
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460 ngx_channel_t ch; |
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461 |
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parents:
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|
462 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
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diff
changeset
|
463 |
1581
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Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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|
464 #if (NGX_BROKEN_SCM_RIGHTS) |
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|
465 |
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|
466 ch.command = 0; |
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467 |
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|
468 #else |
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|
469 |
354
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470 switch (signo) { |
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471 |
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472 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL): |
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473 ch.command = NGX_CMD_QUIT; |
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474 break; |
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diff
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|
475 |
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diff
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|
476 case ngx_signal_value(NGX_TERMINATE_SIGNAL): |
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|
477 ch.command = NGX_CMD_TERMINATE; |
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|
478 break; |
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diff
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|
479 |
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diff
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|
480 case ngx_signal_value(NGX_REOPEN_SIGNAL): |
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481 ch.command = NGX_CMD_REOPEN; |
eaf1f651cf86
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diff
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|
482 break; |
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diff
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|
483 |
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345
diff
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|
484 default: |
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diff
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|
485 ch.command = 0; |
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diff
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|
486 } |
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nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
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|
487 |
1581
81774dc3db28
Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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parents:
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diff
changeset
|
488 #endif |
81774dc3db28
Cygwin can not pass SCM_RIGHTS via unix socket, use signals
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parents:
1578
diff
changeset
|
489 |
354
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nginx-0.0.7-2004-06-15-11:55:11 import
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diff
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|
490 ch.fd = -1; |
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diff
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|
491 |
318
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parents:
317
diff
changeset
|
492 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
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|
493 for (i = 0; i < ngx_last_process; i++) { |
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parents:
317
diff
changeset
|
494 |
449
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
495 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 496 "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
|
497 i, |
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].pid, |
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].exiting, |
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].exited, |
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].detached, |
3b1e8c9df9ad
nginx-0.1.0-2004-10-04-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
448
diff
changeset
|
502 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
|
503 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
|
504 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
505 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
|
506 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
507 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
508 |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2616
diff
changeset
|
509 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
|
510 ngx_processes[i].just_spawn = 0; |
318
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nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
511 continue; |
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
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parents:
317
diff
changeset
|
513 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
514 if (ngx_processes[i].exiting |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
changeset
|
515 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL)) |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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317
diff
changeset
|
516 { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
517 continue; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
518 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
519 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
520 if (ch.command) { |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
521 if (ngx_write_channel(ngx_processes[i].channel[0], |
1132 | 522 &ch, sizeof(ngx_channel_t), cycle->log) |
523 == NGX_OK) | |
354
eaf1f651cf86
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parents:
345
diff
changeset
|
524 { |
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345
diff
changeset
|
525 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) { |
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345
diff
changeset
|
526 ngx_processes[i].exiting = 1; |
eaf1f651cf86
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diff
changeset
|
527 } |
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diff
changeset
|
528 |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
529 continue; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
530 } |
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nginx-0.0.7-2004-06-15-11:55:11 import
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345
diff
changeset
|
531 } |
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nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
345
diff
changeset
|
532 |
318
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317
diff
changeset
|
533 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
5266 | 534 "kill (%P, %d)", ngx_processes[i].pid, signo); |
318
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317
diff
changeset
|
535 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
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parents:
317
diff
changeset
|
536 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
|
537 err = ngx_errno; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
538 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
3047 | 539 "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
|
540 |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
541 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
|
542 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
|
543 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
|
544 ngx_reap = 1; |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
545 } |
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
546 |
318
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
547 continue; |
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 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
550 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
|
551 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
|
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 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
317
diff
changeset
|
555 |
317
1308b98496a2
nginx-0.0.3-2004-04-15-19:34:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
556 |
501 | 557 static ngx_uint_t |
1565 | 558 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
|
559 { |
543 | 560 ngx_int_t i, n; |
561 ngx_uint_t live; | |
562 ngx_channel_t ch; | |
563 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
|
564 |
5245
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
565 ngx_memzero(&ch, sizeof(ngx_channel_t)); |
711fa02afae8
Valgrind: supressed complaints about uninitialized bytes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5137
diff
changeset
|
566 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
567 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
|
568 ch.fd = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
569 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
570 live = 0; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
571 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
|
572 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
573 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
6480 | 574 "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
|
575 i, |
365
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].pid, |
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].exiting, |
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].exited, |
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].detached, |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
580 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
|
581 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
|
582 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
583 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
|
584 continue; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
585 } |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
586 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
587 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
|
588 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
589 if (!ngx_processes[i].detached) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
590 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
|
591 |
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[0] = -1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
593 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
|
594 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
595 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
|
596 ch.slot = i; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
597 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
598 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
|
599 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
|
600 || 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
|
601 || 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
|
602 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
603 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
604 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
605 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
606 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 607 "pass close channel s:%i pid:%P to:%P", |
608 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
|
609 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
610 /* TODO: NGX_AGAIN */ |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
611 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
612 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
|
613 &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
|
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 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
617 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
|
618 && !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
|
619 && !ngx_terminate |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
620 && !ngx_quit) |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
621 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
622 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
|
623 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
|
624 ngx_processes[i].name, i) |
543 | 625 == 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
|
626 { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
627 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
|
628 "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
|
629 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
|
630 continue; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
631 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
632 |
473 | 633 |
634 ch.command = NGX_CMD_OPEN_CHANNEL; | |
635 ch.pid = ngx_processes[ngx_process_slot].pid; | |
636 ch.slot = ngx_process_slot; | |
637 ch.fd = ngx_processes[ngx_process_slot].channel[0]; | |
638 | |
3018 | 639 ngx_pass_open_channel(cycle, &ch); |
473 | 640 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
641 live = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
642 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
643 continue; |
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 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
646 if (ngx_processes[i].pid == ngx_new_binary) { |
543 | 647 |
648 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, | |
649 ngx_core_module); | |
650 | |
651 if (ngx_rename_file((char *) ccf->oldpid.data, | |
652 (char *) ccf->pid.data) | |
5137
f941cf265cc5
Use NGX_FILE_ERROR for handling file operations errors.
Valentin Bartenev <vbart@nginx.com>
parents:
4917
diff
changeset
|
653 == NGX_FILE_ERROR) |
543 | 654 { |
655 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
656 ngx_rename_file_n " %s back to %s failed " | |
657 "after the new binary process \"%s\" exited", | |
658 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]); | |
659 } | |
660 | |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
661 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
|
662 if (ngx_noaccepting) { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
663 ngx_restart = 1; |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
664 ngx_noaccepting = 0; |
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 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
667 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
668 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
|
669 ngx_last_process--; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
670 |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
671 } else { |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
382
diff
changeset
|
672 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
|
673 } |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
674 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
675 } 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
|
676 live = 1; |
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 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
680 return live; |
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 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
362
diff
changeset
|
683 |
501 | 684 static void |
573 | 685 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
|
686 { |
571 | 687 ngx_uint_t i; |
688 | |
310
a9a9af2c7370
nginx-0.0.3-2004-04-12-10:10:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
309
diff
changeset
|
689 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
|
690 |
477 | 691 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
|
692 |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
693 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
|
694 if (cycle->modules[i]->exit_master) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
695 cycle->modules[i]->exit_master(cycle); |
571 | 696 } |
697 } | |
698 | |
3230
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
699 ngx_close_listening_sockets(cycle); |
a7491af45540
http listen unix domain sockets
Igor Sysoev <igor@sysoev.ru>
parents:
3048
diff
changeset
|
700 |
505 | 701 /* |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
702 * 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
|
703 * 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
|
704 * 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
|
705 * ngx_cycle->pool is already destroyed. |
505 | 706 */ |
707 | |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
708 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
709 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
|
710 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
5601
diff
changeset
|
711 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
|
712 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
|
713 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
|
714 ngx_exit_log.writer = NULL; |
1437
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
715 |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
716 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
|
717 ngx_exit_cycle.files = ngx_cycle->files; |
626157fe6f17
Fixed segfault with poll and resolver used.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4549
diff
changeset
|
718 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
|
719 ngx_cycle = &ngx_exit_cycle; |
e498f4cb1663
destroy ngx_cycle->pool on exit
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
720 |
322
ab2f8c9a2a45
nginx-0.0.3-2004-04-20-11:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
721 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
|
722 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
723 exit(0); |
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 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
726 |
501 | 727 static void |
728 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
|
729 { |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
730 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
|
731 |
3358
f94e8ff65aa2
add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents:
3304
diff
changeset
|
732 ngx_process = NGX_PROCESS_WORKER; |
6151
b4cc553aafeb
Introduced worker number, ngx_worker.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6127
diff
changeset
|
733 ngx_worker = worker; |
3358
f94e8ff65aa2
add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents:
3304
diff
changeset
|
734 |
4912
e8ef31c58d43
Fixed setting of CPU affinity on respawn of dead worker processes.
Ruslan Ermilov <ru@nginx.com>
parents:
4870
diff
changeset
|
735 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
|
736 |
278
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
737 ngx_setproctitle("worker process"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
738 |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
739 for ( ;; ) { |
1135
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
740 |
03f1133f24e8
close keep-alive connections in the shuting down processes
Igor Sysoev <igor@sysoev.ru>
parents:
1134
diff
changeset
|
741 if (ngx_exiting) { |
6929
3069dd358ba2
Cancelable timers are now preserved if there are other timers.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6727
diff
changeset
|
742 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
|
743 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
|
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"); |
573 | 754 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
|
755 } |
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 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
|
758 ngx_quit = 0; |
477 | 759 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
|
760 "gracefully shutting down"); |
0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
761 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
|
762 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
763 if (!ngx_exiting) { |
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
764 ngx_exiting = 1; |
6930
97c99bb43737
Introduced worker_shutdown_timeout.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6929
diff
changeset
|
765 ngx_set_shutdown_timer(cycle); |
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
Igor Sysoev <igor@sysoev.ru>
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
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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:
1135
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:
1135
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
df2592d32e49
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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:
1135
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:
1135
diff
changeset
|
826 } |
589 | 827 |
1404
df2592d32e49
set worker_priority, worker_rlimit_nofile, worker_rlimit_core, and
Igor Sysoev <igor@sysoev.ru>
parents:
1135
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
Igor Sysoev <igor@sysoev.ru>
parents:
1404
diff
changeset
|
982 * 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
|
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
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nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
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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diff
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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 |
3475
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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
changeset
|
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 } |