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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_channel.h>
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11
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12
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13 static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n,
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50
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14 ngx_int_t type);
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16
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15 static void ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type);
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0
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16 static void ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo);
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17 static ngx_uint_t ngx_reap_childs(ngx_cycle_t *cycle);
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2
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18 static void ngx_master_exit(ngx_cycle_t *cycle);
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0
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19 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
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22
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20 static void ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority);
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0
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21 static void ngx_channel_handler(ngx_event_t *ev);
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22 #if (NGX_THREADS)
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23 static void ngx_wakeup_worker_threads(ngx_cycle_t *cycle);
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24 static void *ngx_worker_thread_cycle(void *data);
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25 #endif
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50
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26 #if 0
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16
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27 static void ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data);
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50
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28 #endif
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0
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29
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30
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31 ngx_uint_t ngx_process;
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32 ngx_pid_t ngx_pid;
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33 ngx_uint_t ngx_threaded;
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34
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35 sig_atomic_t ngx_reap;
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36 sig_atomic_t ngx_timer;
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37 sig_atomic_t ngx_sigio;
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38 sig_atomic_t ngx_terminate;
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39 sig_atomic_t ngx_quit;
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26
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40 sig_atomic_t ngx_debug_quit;
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0
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41 ngx_uint_t ngx_exiting;
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42 sig_atomic_t ngx_reconfigure;
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43 sig_atomic_t ngx_reopen;
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44
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45 sig_atomic_t ngx_change_binary;
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46 ngx_pid_t ngx_new_binary;
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47 ngx_uint_t ngx_inherited;
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48 ngx_uint_t ngx_daemonized;
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49
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50 sig_atomic_t ngx_noaccept;
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51 ngx_uint_t ngx_noaccepting;
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52 ngx_uint_t ngx_restart;
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53
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54
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55 #if (NGX_THREADS)
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56 volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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57 ngx_int_t ngx_threads_n;
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58 #endif
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59
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60
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61 u_char master_process[] = "master process";
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62
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63
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50
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64 void
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65 ngx_master_process_cycle(ngx_cycle_t *cycle)
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0
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66 {
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67 char *title;
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68 u_char *p;
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69 size_t size;
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70 ngx_int_t i;
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80
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71 ngx_uint_t n;
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0
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72 sigset_t set;
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73 struct timeval tv;
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74 struct itimerval itv;
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75 ngx_uint_t live;
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76 ngx_msec_t delay;
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80
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77 ngx_listening_t *ls;
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0
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78 ngx_core_conf_t *ccf;
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79
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80 sigemptyset(&set);
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81 sigaddset(&set, SIGCHLD);
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82 sigaddset(&set, SIGALRM);
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83 sigaddset(&set, SIGIO);
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84 sigaddset(&set, SIGINT);
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85 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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86 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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87 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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88 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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89 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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90 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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91
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92 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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93 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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94 "sigprocmask() failed");
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95 }
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96
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97 sigemptyset(&set);
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98
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99
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100 size = sizeof(master_process);
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101
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2
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102 for (i = 0; i < ngx_argc; i++) {
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103 size += ngx_strlen(ngx_argv[i]) + 1;
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0
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104 }
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105
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106 title = ngx_palloc(cycle->pool, size);
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107
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108 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2
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109 for (i = 0; i < ngx_argc; i++) {
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0
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110 *p++ = ' ';
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2
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111 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size);
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0
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112 }
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113
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114 ngx_setproctitle(title);
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115
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116
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117 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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118
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119 ngx_start_worker_processes(cycle, ccf->worker_processes,
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120 NGX_PROCESS_RESPAWN);
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16
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121 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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122
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123 ngx_new_binary = 0;
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124 delay = 0;
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125 live = 1;
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126
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127 for ( ;; ) {
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128 if (delay) {
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129 delay *= 2;
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130
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131 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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132 "temination cycle: %d", delay);
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133
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134 itv.it_interval.tv_sec = 0;
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135 itv.it_interval.tv_usec = 0;
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136 itv.it_value.tv_sec = delay / 1000;
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137 itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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138
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139 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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140 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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141 "setitimer() failed");
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142 }
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143 }
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144
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145 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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146
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147 sigsuspend(&set);
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148
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149 ngx_gettimeofday(&tv);
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150 ngx_time_update(tv.tv_sec);
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151
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152 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
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153
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154 if (ngx_reap) {
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155 ngx_reap = 0;
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156 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
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157
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158 live = ngx_reap_childs(cycle);
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159 }
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160
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161 if (!live && (ngx_terminate || ngx_quit)) {
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2
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162 ngx_master_exit(cycle);
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0
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163 }
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164
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165 if (ngx_terminate) {
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166 if (delay == 0) {
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167 delay = 50;
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168 }
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169
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170 if (delay > 1000) {
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171 ngx_signal_worker_processes(cycle, SIGKILL);
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172 } else {
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173 ngx_signal_worker_processes(cycle,
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174 ngx_signal_value(NGX_TERMINATE_SIGNAL));
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175 }
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176
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177 continue;
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178 }
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179
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180 if (ngx_quit) {
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181 ngx_signal_worker_processes(cycle,
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182 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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80
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183
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184 ls = cycle->listening.elts;
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185 for (n = 0; n < cycle->listening.nelts; n++) {
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186 if (ngx_close_socket(ls[n].fd) == -1) {
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187 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
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188 ngx_close_socket_n " %V failed",
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189 &ls[n].addr_text);
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190 }
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191 }
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192 cycle->listening.nelts = 0;
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193
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0
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194 continue;
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195 }
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196
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197 if (ngx_timer) {
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198 ngx_timer = 0;
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4
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199
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200 if (!ngx_noaccepting) {
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201 ngx_start_worker_processes(cycle, ccf->worker_processes,
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202 NGX_PROCESS_JUST_RESPAWN);
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16
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203 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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4
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204 live = 1;
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205 ngx_signal_worker_processes(cycle,
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0
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206 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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4
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207 }
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0
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208 }
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209
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210 if (ngx_reconfigure) {
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211 ngx_reconfigure = 0;
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212
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213 if (ngx_new_binary) {
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214 ngx_start_worker_processes(cycle, ccf->worker_processes,
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215 NGX_PROCESS_RESPAWN);
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16
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216 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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217 ngx_noaccepting = 0;
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218
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219 continue;
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220 }
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221
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26
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222 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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223
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224 cycle = ngx_init_cycle(cycle);
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225 if (cycle == NULL) {
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226 cycle = (ngx_cycle_t *) ngx_cycle;
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227 continue;
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228 }
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229
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230 ngx_cycle = cycle;
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231 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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232 ngx_core_module);
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233 ngx_start_worker_processes(cycle, ccf->worker_processes,
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234 NGX_PROCESS_JUST_RESPAWN);
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16
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235 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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0
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236 live = 1;
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237 ngx_signal_worker_processes(cycle,
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238 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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239 }
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240
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241 if (ngx_restart) {
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242 ngx_restart = 0;
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243 ngx_start_worker_processes(cycle, ccf->worker_processes,
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244 NGX_PROCESS_RESPAWN);
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16
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245 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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246 live = 1;
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247 }
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248
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249 if (ngx_reopen) {
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250 ngx_reopen = 0;
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26
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251 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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252 ngx_reopen_files(cycle, ccf->user);
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253 ngx_signal_worker_processes(cycle,
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254 ngx_signal_value(NGX_REOPEN_SIGNAL));
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255 }
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256
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257 if (ngx_change_binary) {
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258 ngx_change_binary = 0;
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26
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259 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary");
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2
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260 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv);
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0
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261 }
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262
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263 if (ngx_noaccept) {
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264 ngx_noaccept = 0;
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265 ngx_noaccepting = 1;
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266 ngx_signal_worker_processes(cycle,
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267 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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268 }
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269 }
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270 }
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271
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272
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50
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273 void
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274 ngx_single_process_cycle(ngx_cycle_t *cycle)
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0
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275 {
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276 ngx_uint_t i;
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277
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278 ngx_init_temp_number();
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279
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280 for (i = 0; ngx_modules[i]; i++) {
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281 if (ngx_modules[i]->init_process) {
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282 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
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283 /* fatal */
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284 exit(2);
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285 }
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286 }
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287 }
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288
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289 for ( ;; ) {
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290 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
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291
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292 ngx_process_events(cycle);
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293
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294 if (ngx_terminate || ngx_quit) {
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2
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295 ngx_master_exit(cycle);
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0
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296 }
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297
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298 if (ngx_reconfigure) {
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299 ngx_reconfigure = 0;
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26
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300 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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301
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302 cycle = ngx_init_cycle(cycle);
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303 if (cycle == NULL) {
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304 cycle = (ngx_cycle_t *) ngx_cycle;
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305 continue;
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306 }
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307
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308 ngx_cycle = cycle;
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309 }
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310
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311 if (ngx_reopen) {
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312 ngx_reopen = 0;
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26
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313 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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314 ngx_reopen_files(cycle, (ngx_uid_t) -1);
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315 }
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316 }
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317 }
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318
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319
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50
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320 static void
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321 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t n, ngx_int_t type)
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0
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322 {
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323 ngx_int_t i;
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324 ngx_channel_t ch;
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325 struct itimerval itv;
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326
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26
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327 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes");
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0
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328
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329 ch.command = NGX_CMD_OPEN_CHANNEL;
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330
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331 while (n--) {
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332 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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333 "worker process", type);
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334
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335 ch.pid = ngx_processes[ngx_process_slot].pid;
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336 ch.slot = ngx_process_slot;
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337 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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338
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339 for (i = 0; i < ngx_last_process; i++) {
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340
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341 if (i == ngx_process_slot
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342 || ngx_processes[i].pid == -1
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343 || ngx_processes[i].channel[0] == -1)
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344 {
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345 continue;
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346 }
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347
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348 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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10
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349 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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350 ch.slot, ch.pid, ch.fd,
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351 i, ngx_processes[i].pid,
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352 ngx_processes[i].channel[0]);
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0
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353
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354 /* TODO: NGX_AGAIN */
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355
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356 ngx_write_channel(ngx_processes[i].channel[0],
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357 &ch, sizeof(ngx_channel_t), cycle->log);
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358 }
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359 }
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360
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361 /*
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362 * we have to limit the maximum life time of the worker processes
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363 * by 10 days because our millisecond event timer is limited
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364 * by 24 days on 32-bit platforms
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365 */
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366
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367 itv.it_interval.tv_sec = 0;
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368 itv.it_interval.tv_usec = 0;
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369 itv.it_value.tv_sec = 10 * 24 * 60 * 60;
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370 itv.it_value.tv_usec = 0;
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371
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372 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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373 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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374 "setitimer() failed");
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375 }
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376 }
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377
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378
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50
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379 static void
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380 ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
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16
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381 {
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50
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382 #if 0
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383 ngx_int_t i;
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384 ngx_channel_t ch;
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16
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385
|
|
26
|
386 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start garbage collector");
|
|
16
|
387
|
|
|
388 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
389
|
|
|
390 ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
|
|
|
391 "garbage collector", type);
|
|
|
392
|
|
|
393 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
394 ch.slot = ngx_process_slot;
|
|
|
395 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
396
|
|
|
397 for (i = 0; i < ngx_last_process; i++) {
|
|
|
398
|
|
|
399 if (i == ngx_process_slot
|
|
|
400 || ngx_processes[i].pid == -1
|
|
|
401 || ngx_processes[i].channel[0] == -1)
|
|
|
402 {
|
|
|
403 continue;
|
|
|
404 }
|
|
|
405
|
|
|
406 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
407 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
408 ch.slot, ch.pid, ch.fd,
|
|
|
409 i, ngx_processes[i].pid,
|
|
|
410 ngx_processes[i].channel[0]);
|
|
|
411
|
|
|
412 /* TODO: NGX_AGAIN */
|
|
|
413
|
|
|
414 ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
415 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
416 }
|
|
50
|
417 #endif
|
|
16
|
418 }
|
|
|
419
|
|
|
420
|
|
50
|
421 static void
|
|
|
422 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
0
|
423 {
|
|
|
424 ngx_int_t i;
|
|
|
425 ngx_err_t err;
|
|
|
426 ngx_channel_t ch;
|
|
|
427
|
|
|
428 switch (signo) {
|
|
|
429
|
|
|
430 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
|
|
|
431 ch.command = NGX_CMD_QUIT;
|
|
|
432 break;
|
|
|
433
|
|
|
434 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
|
|
|
435 ch.command = NGX_CMD_TERMINATE;
|
|
|
436 break;
|
|
|
437
|
|
|
438 case ngx_signal_value(NGX_REOPEN_SIGNAL):
|
|
|
439 ch.command = NGX_CMD_REOPEN;
|
|
|
440 break;
|
|
|
441
|
|
|
442 default:
|
|
|
443 ch.command = 0;
|
|
|
444 }
|
|
|
445
|
|
|
446 ch.fd = -1;
|
|
|
447
|
|
|
448
|
|
|
449 for (i = 0; i < ngx_last_process; i++) {
|
|
|
450
|
|
|
451 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
452 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
453 i,
|
|
|
454 ngx_processes[i].pid,
|
|
|
455 ngx_processes[i].exiting,
|
|
|
456 ngx_processes[i].exited,
|
|
|
457 ngx_processes[i].detached,
|
|
|
458 ngx_processes[i].respawn,
|
|
|
459 ngx_processes[i].just_respawn);
|
|
|
460
|
|
|
461 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) {
|
|
|
462 continue;
|
|
|
463 }
|
|
|
464
|
|
|
465 if (ngx_processes[i].just_respawn) {
|
|
|
466 ngx_processes[i].just_respawn = 0;
|
|
|
467 continue;
|
|
|
468 }
|
|
|
469
|
|
|
470 if (ngx_processes[i].exiting
|
|
|
471 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
472 {
|
|
|
473 continue;
|
|
|
474 }
|
|
|
475
|
|
|
476 if (ch.command) {
|
|
|
477 if (ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
478 &ch, sizeof(ngx_channel_t), cycle->log) == NGX_OK)
|
|
|
479 {
|
|
|
480 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
481 ngx_processes[i].exiting = 1;
|
|
|
482 }
|
|
|
483
|
|
|
484 continue;
|
|
|
485 }
|
|
|
486 }
|
|
|
487
|
|
|
488 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
489 "kill (%P, %d)" , ngx_processes[i].pid, signo);
|
|
0
|
490
|
|
|
491 if (kill(ngx_processes[i].pid, signo) == -1) {
|
|
|
492 err = ngx_errno;
|
|
|
493 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
10
|
494 "kill(%P, %d) failed",
|
|
0
|
495 ngx_processes[i].pid, signo);
|
|
|
496
|
|
|
497 if (err == NGX_ESRCH) {
|
|
|
498 ngx_processes[i].exited = 1;
|
|
|
499 ngx_processes[i].exiting = 0;
|
|
|
500 ngx_reap = 1;
|
|
|
501 }
|
|
|
502
|
|
|
503 continue;
|
|
|
504 }
|
|
|
505
|
|
|
506 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
507 ngx_processes[i].exiting = 1;
|
|
|
508 }
|
|
|
509 }
|
|
|
510 }
|
|
|
511
|
|
|
512
|
|
50
|
513 static ngx_uint_t
|
|
|
514 ngx_reap_childs(ngx_cycle_t *cycle)
|
|
0
|
515 {
|
|
|
516 ngx_int_t i, n;
|
|
|
517 ngx_uint_t live;
|
|
|
518 ngx_channel_t ch;
|
|
|
519
|
|
|
520 ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
521 ch.fd = -1;
|
|
|
522
|
|
|
523 live = 0;
|
|
|
524 for (i = 0; i < ngx_last_process; i++) {
|
|
|
525
|
|
|
526 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
527 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
528 i,
|
|
|
529 ngx_processes[i].pid,
|
|
|
530 ngx_processes[i].exiting,
|
|
|
531 ngx_processes[i].exited,
|
|
|
532 ngx_processes[i].detached,
|
|
|
533 ngx_processes[i].respawn,
|
|
|
534 ngx_processes[i].just_respawn);
|
|
|
535
|
|
|
536 if (ngx_processes[i].pid == -1) {
|
|
|
537 continue;
|
|
|
538 }
|
|
|
539
|
|
|
540 if (ngx_processes[i].exited) {
|
|
|
541
|
|
|
542 if (!ngx_processes[i].detached) {
|
|
|
543 ngx_close_channel(ngx_processes[i].channel, cycle->log);
|
|
|
544
|
|
|
545 ngx_processes[i].channel[0] = -1;
|
|
|
546 ngx_processes[i].channel[1] = -1;
|
|
|
547
|
|
|
548 ch.pid = ngx_processes[i].pid;
|
|
|
549 ch.slot = i;
|
|
|
550
|
|
|
551 for (n = 0; n < ngx_last_process; n++) {
|
|
|
552 if (ngx_processes[n].exited
|
|
|
553 || ngx_processes[n].pid == -1
|
|
|
554 || ngx_processes[n].channel[0] == -1)
|
|
|
555 {
|
|
|
556 continue;
|
|
|
557 }
|
|
|
558
|
|
|
559 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
560 "pass close channel s:%i pid:%P to:%P",
|
|
|
561 ch.slot, ch.pid, ngx_processes[n].pid);
|
|
0
|
562
|
|
|
563 /* TODO: NGX_AGAIN */
|
|
|
564
|
|
|
565 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
566 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
567 }
|
|
|
568 }
|
|
|
569
|
|
|
570 if (ngx_processes[i].respawn
|
|
|
571 && !ngx_processes[i].exiting
|
|
|
572 && !ngx_terminate
|
|
|
573 && !ngx_quit)
|
|
|
574 {
|
|
|
575 if (ngx_spawn_process(cycle, ngx_processes[i].proc,
|
|
|
576 ngx_processes[i].data,
|
|
|
577 ngx_processes[i].name, i)
|
|
|
578 == NGX_ERROR)
|
|
|
579 {
|
|
|
580 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
581 "can not respawn %s", ngx_processes[i].name);
|
|
|
582 continue;
|
|
|
583 }
|
|
|
584
|
|
22
|
585
|
|
|
586 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
587 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
588 ch.slot = ngx_process_slot;
|
|
|
589 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
590
|
|
|
591 for (n = 0; n < ngx_last_process; n++) {
|
|
|
592
|
|
|
593 if (n == ngx_process_slot
|
|
|
594 || ngx_processes[n].pid == -1
|
|
|
595 || ngx_processes[n].channel[0] == -1)
|
|
|
596 {
|
|
|
597 continue;
|
|
|
598 }
|
|
|
599
|
|
|
600 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
601 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
602 ch.slot, ch.pid, ch.fd,
|
|
|
603 n, ngx_processes[n].pid,
|
|
|
604 ngx_processes[n].channel[0]);
|
|
|
605
|
|
|
606 /* TODO: NGX_AGAIN */
|
|
|
607
|
|
|
608 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
609 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
610 }
|
|
|
611
|
|
0
|
612 live = 1;
|
|
|
613
|
|
|
614 continue;
|
|
|
615 }
|
|
|
616
|
|
|
617 if (ngx_processes[i].pid == ngx_new_binary) {
|
|
|
618 ngx_new_binary = 0;
|
|
|
619 if (ngx_noaccepting) {
|
|
|
620 ngx_restart = 1;
|
|
|
621 ngx_noaccepting = 0;
|
|
|
622 }
|
|
|
623 }
|
|
|
624
|
|
|
625 if (i == ngx_last_process - 1) {
|
|
|
626 ngx_last_process--;
|
|
|
627
|
|
|
628 } else {
|
|
|
629 ngx_processes[i].pid = -1;
|
|
|
630 }
|
|
|
631
|
|
|
632 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) {
|
|
|
633 live = 1;
|
|
|
634 }
|
|
|
635 }
|
|
|
636
|
|
|
637 return live;
|
|
|
638 }
|
|
|
639
|
|
|
640
|
|
50
|
641 static void
|
|
|
642 ngx_master_exit(ngx_cycle_t *cycle)
|
|
0
|
643 {
|
|
|
644 ngx_delete_pidfile(cycle);
|
|
|
645
|
|
26
|
646 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit");
|
|
0
|
647
|
|
54
|
648 /*
|
|
|
649 * we do not destroy cycle->pool here because a signal handler
|
|
|
650 * that uses cycle->log can be called at this point
|
|
|
651 */
|
|
|
652
|
|
|
653 #if 0
|
|
0
|
654 ngx_destroy_pool(cycle->pool);
|
|
54
|
655 #endif
|
|
0
|
656
|
|
|
657 exit(0);
|
|
|
658 }
|
|
|
659
|
|
|
660
|
|
50
|
661 static void
|
|
|
662 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
0
|
663 {
|
|
50
|
664 #if (NGX_THREADS)
|
|
18
|
665 ngx_int_t n;
|
|
|
666 ngx_err_t err;
|
|
|
667 ngx_core_conf_t *ccf;
|
|
50
|
668 #endif
|
|
18
|
669
|
|
22
|
670 ngx_worker_process_init(cycle, 1);
|
|
0
|
671
|
|
|
672 ngx_setproctitle("worker process");
|
|
|
673
|
|
|
674 #if (NGX_THREADS)
|
|
|
675
|
|
|
676 if (ngx_time_mutex_init(cycle->log) == NGX_ERROR) {
|
|
|
677 /* fatal */
|
|
|
678 exit(2);
|
|
|
679 }
|
|
|
680
|
|
18
|
681 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
682
|
|
0
|
683 if (ngx_threads_n) {
|
|
|
684 if (ngx_init_threads(ngx_threads_n,
|
|
|
685 ccf->thread_stack_size, cycle) == NGX_ERROR)
|
|
|
686 {
|
|
|
687 /* fatal */
|
|
|
688 exit(2);
|
|
|
689 }
|
|
|
690
|
|
|
691 err = ngx_thread_key_create(&ngx_core_tls_key);
|
|
|
692 if (err != 0) {
|
|
|
693 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
694 ngx_thread_key_create_n " failed");
|
|
|
695 /* fatal */
|
|
|
696 exit(2);
|
|
|
697 }
|
|
|
698
|
|
|
699 for (n = 0; n < ngx_threads_n; n++) {
|
|
|
700
|
|
50
|
701 ngx_threads[n].cv = ngx_cond_init(cycle->log);
|
|
|
702
|
|
|
703 if (ngx_threads[n].cv == NULL) {
|
|
0
|
704 /* fatal */
|
|
|
705 exit(2);
|
|
|
706 }
|
|
|
707
|
|
|
708 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
|
|
|
709 ngx_worker_thread_cycle,
|
|
|
710 (void *) &ngx_threads[n], cycle->log) != 0)
|
|
|
711 {
|
|
|
712 /* fatal */
|
|
|
713 exit(2);
|
|
|
714 }
|
|
|
715 }
|
|
|
716 }
|
|
|
717
|
|
|
718 #endif
|
|
|
719
|
|
|
720 for ( ;; ) {
|
|
|
721 if (ngx_exiting
|
|
|
722 && ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
|
|
|
723 {
|
|
26
|
724 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
725
|
|
|
726
|
|
|
727 #if (NGX_THREADS)
|
|
|
728 ngx_terminate = 1;
|
|
|
729
|
|
|
730 ngx_wakeup_worker_threads(cycle);
|
|
|
731 #endif
|
|
|
732
|
|
26
|
733 if (ngx_debug_quit) {
|
|
|
734 ngx_debug_point();
|
|
|
735 }
|
|
|
736
|
|
0
|
737 /*
|
|
|
738 * we do not destroy cycle->pool here because a signal handler
|
|
|
739 * that uses cycle->log can be called at this point
|
|
|
740 */
|
|
54
|
741
|
|
|
742 #if 0
|
|
|
743 ngx_destroy_pool(cycle->pool);
|
|
|
744 #endif
|
|
0
|
745 exit(0);
|
|
|
746 }
|
|
|
747
|
|
|
748 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
749
|
|
|
750 ngx_process_events(cycle);
|
|
|
751
|
|
|
752 if (ngx_terminate) {
|
|
26
|
753 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
754
|
|
|
755 #if (NGX_THREADS)
|
|
|
756 ngx_wakeup_worker_threads(cycle);
|
|
|
757 #endif
|
|
|
758
|
|
|
759 /*
|
|
|
760 * we do not destroy cycle->pool here because a signal handler
|
|
|
761 * that uses cycle->log can be called at this point
|
|
|
762 */
|
|
54
|
763
|
|
|
764 #if 0
|
|
|
765 ngx_destroy_pool(cycle->pool);
|
|
|
766 #endif
|
|
|
767
|
|
0
|
768 exit(0);
|
|
|
769 }
|
|
|
770
|
|
|
771 if (ngx_quit) {
|
|
|
772 ngx_quit = 0;
|
|
26
|
773 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
774 "gracefully shutting down");
|
|
|
775 ngx_setproctitle("worker process is shutting down");
|
|
|
776
|
|
|
777 if (!ngx_exiting) {
|
|
|
778 ngx_close_listening_sockets(cycle);
|
|
|
779 ngx_exiting = 1;
|
|
|
780 }
|
|
|
781 }
|
|
|
782
|
|
|
783 if (ngx_reopen) {
|
|
|
784 ngx_reopen = 0;
|
|
26
|
785 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
0
|
786 ngx_reopen_files(cycle, -1);
|
|
|
787 }
|
|
|
788 }
|
|
|
789 }
|
|
|
790
|
|
|
791
|
|
50
|
792 static void
|
|
|
793 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority)
|
|
16
|
794 {
|
|
|
795 sigset_t set;
|
|
|
796 ngx_int_t n;
|
|
|
797 ngx_uint_t i;
|
|
|
798 struct timeval tv;
|
|
|
799 ngx_core_conf_t *ccf;
|
|
|
800 ngx_listening_t *ls;
|
|
|
801
|
|
|
802 ngx_gettimeofday(&tv);
|
|
|
803
|
|
|
804 ngx_start_msec = (ngx_epoch_msec_t) tv.tv_sec * 1000 + tv.tv_usec / 1000;
|
|
|
805 ngx_old_elapsed_msec = 0;
|
|
|
806 ngx_elapsed_msec = 0;
|
|
|
807
|
|
|
808
|
|
|
809 ngx_process = NGX_PROCESS_WORKER;
|
|
|
810
|
|
|
811 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
812
|
|
|
813 if (geteuid() == 0) {
|
|
22
|
814 if (priority && ccf->priority != 0) {
|
|
|
815 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) {
|
|
|
816 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
817 "setpriority(%d) failed", ccf->priority);
|
|
|
818 }
|
|
|
819 }
|
|
|
820
|
|
16
|
821 if (setgid(ccf->group) == -1) {
|
|
|
822 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
823 "setgid(%d) failed", ccf->group);
|
|
|
824 /* fatal */
|
|
|
825 exit(2);
|
|
|
826 }
|
|
|
827
|
|
22
|
828 if (initgroups(ccf->username, ccf->group) == -1) {
|
|
|
829 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
830 "initgroups(%s, %d) failed",
|
|
|
831 ccf->username, ccf->group);
|
|
|
832 }
|
|
|
833
|
|
16
|
834 if (setuid(ccf->user) == -1) {
|
|
|
835 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
836 "setuid(%d) failed", ccf->user);
|
|
|
837 /* fatal */
|
|
|
838 exit(2);
|
|
|
839 }
|
|
|
840 }
|
|
|
841
|
|
|
842 #if (NGX_HAVE_PR_SET_DUMPABLE)
|
|
|
843
|
|
|
844 /* allow coredump after setuid() in Linux 2.4.x */
|
|
|
845
|
|
|
846 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
|
|
|
847 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
848 "prctl(PR_SET_DUMPABLE) failed");
|
|
|
849 }
|
|
|
850
|
|
|
851 #endif
|
|
|
852
|
|
70
|
853 if (ccf->working_directory.len) {
|
|
72
|
854 if (chdir((char *) ccf->working_directory.data) == -1) {
|
|
70
|
855 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
856 "chdir(\"%s\") failed", ccf->working_directory.data);
|
|
|
857 /* fatal */
|
|
|
858 exit(2);
|
|
|
859 }
|
|
|
860 }
|
|
|
861
|
|
16
|
862 sigemptyset(&set);
|
|
|
863
|
|
|
864 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
865 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
866 "sigprocmask() failed");
|
|
|
867 }
|
|
|
868
|
|
|
869 ngx_init_temp_number();
|
|
|
870
|
|
|
871 /*
|
|
|
872 * disable deleting previous events for the listening sockets because
|
|
|
873 * in the worker processes there are no events at all at this point
|
|
|
874 */
|
|
|
875 ls = cycle->listening.elts;
|
|
|
876 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
877 ls[i].remain = 0;
|
|
|
878 }
|
|
|
879
|
|
|
880 for (i = 0; ngx_modules[i]; i++) {
|
|
|
881 if (ngx_modules[i]->init_process) {
|
|
|
882 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
883 /* fatal */
|
|
|
884 exit(2);
|
|
|
885 }
|
|
|
886 }
|
|
|
887 }
|
|
|
888
|
|
|
889 for (n = 0; n < ngx_last_process; n++) {
|
|
|
890
|
|
|
891 if (ngx_processes[n].pid == -1) {
|
|
|
892 continue;
|
|
|
893 }
|
|
|
894
|
|
|
895 if (n == ngx_process_slot) {
|
|
|
896 continue;
|
|
|
897 }
|
|
|
898
|
|
|
899 if (ngx_processes[n].channel[1] == -1) {
|
|
|
900 continue;
|
|
|
901 }
|
|
|
902
|
|
|
903 if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
904 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
905 "close() channel failed");
|
|
|
906 }
|
|
|
907 }
|
|
|
908
|
|
|
909 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
|
|
|
910 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
911 "close() channel failed");
|
|
|
912 }
|
|
|
913
|
|
|
914 #if 0
|
|
|
915 ngx_last_process = 0;
|
|
|
916 #endif
|
|
|
917
|
|
|
918 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT,
|
|
84
|
919 ngx_channel_handler) == NGX_ERROR)
|
|
16
|
920 {
|
|
|
921 /* fatal */
|
|
|
922 exit(2);
|
|
|
923 }
|
|
|
924 }
|
|
|
925
|
|
|
926
|
|
50
|
927 static void
|
|
|
928 ngx_channel_handler(ngx_event_t *ev)
|
|
0
|
929 {
|
|
|
930 ngx_int_t n;
|
|
|
931 ngx_channel_t ch;
|
|
|
932 ngx_connection_t *c;
|
|
|
933
|
|
16
|
934 if (ev->timedout) {
|
|
|
935 ev->timedout = 0;
|
|
|
936 return;
|
|
|
937 }
|
|
|
938
|
|
0
|
939 c = ev->data;
|
|
|
940
|
|
|
941 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
942
|
|
|
943 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
944
|
|
10
|
945 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n);
|
|
0
|
946
|
|
10
|
947 if (n == NGX_ERROR) {
|
|
|
948 if (close(c->fd) == -1) {
|
|
|
949 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
950 "close() channel failed");
|
|
|
951 }
|
|
|
952
|
|
|
953 c->fd = -1;
|
|
|
954 return;
|
|
|
955 }
|
|
|
956
|
|
|
957 if (n == NGX_AGAIN) {
|
|
0
|
958 return;
|
|
|
959 }
|
|
|
960
|
|
|
961 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
962 "channel command: %d", ch.command);
|
|
|
963
|
|
|
964 switch (ch.command) {
|
|
|
965
|
|
|
966 case NGX_CMD_QUIT:
|
|
|
967 ngx_quit = 1;
|
|
|
968 break;
|
|
|
969
|
|
|
970 case NGX_CMD_TERMINATE:
|
|
|
971 ngx_terminate = 1;
|
|
|
972 break;
|
|
|
973
|
|
|
974 case NGX_CMD_REOPEN:
|
|
|
975 ngx_reopen = 1;
|
|
|
976 break;
|
|
|
977
|
|
|
978 case NGX_CMD_OPEN_CHANNEL:
|
|
|
979
|
|
|
980 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
981 "get channel s:%i pid:%P fd:%d", ch.slot, ch.pid, ch.fd);
|
|
0
|
982
|
|
|
983 ngx_processes[ch.slot].pid = ch.pid;
|
|
|
984 ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
985 break;
|
|
|
986
|
|
|
987 case NGX_CMD_CLOSE_CHANNEL:
|
|
|
988
|
|
|
989 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
990 "close channel s:%i pid:%P our:%P fd:%d",
|
|
0
|
991 ch.slot, ch.pid, ngx_processes[ch.slot].pid,
|
|
|
992 ngx_processes[ch.slot].channel[0]);
|
|
|
993
|
|
|
994 if (close(ngx_processes[ch.slot].channel[0]) == -1) {
|
|
16
|
995 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
996 "close() channel failed");
|
|
0
|
997 }
|
|
|
998
|
|
|
999 ngx_processes[ch.slot].channel[0] = -1;
|
|
|
1000 break;
|
|
|
1001 }
|
|
|
1002 }
|
|
|
1003
|
|
|
1004
|
|
|
1005 #if (NGX_THREADS)
|
|
|
1006
|
|
50
|
1007 static void
|
|
|
1008 ngx_wakeup_worker_threads(ngx_cycle_t *cycle)
|
|
0
|
1009 {
|
|
|
1010 ngx_int_t i;
|
|
|
1011 ngx_uint_t live;
|
|
|
1012
|
|
|
1013 for ( ;; ) {
|
|
|
1014
|
|
|
1015 live = 0;
|
|
|
1016
|
|
|
1017 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
1018 if (ngx_threads[i].state < NGX_THREAD_EXIT) {
|
|
18
|
1019 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) {
|
|
|
1020 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
0
|
1021
|
|
|
1022 } else {
|
|
|
1023 live = 1;
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 if (ngx_threads[i].state == NGX_THREAD_EXIT) {
|
|
|
1028 ngx_thread_join(ngx_threads[i].tid, NULL);
|
|
|
1029 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
|
1030 }
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 if (live == 0) {
|
|
|
1034 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
1035 "all worker threads are joined");
|
|
|
1036
|
|
|
1037 /* STUB */
|
|
|
1038 ngx_done_events(cycle);
|
|
|
1039 ngx_mutex_destroy(ngx_event_timer_mutex);
|
|
|
1040 ngx_mutex_destroy(ngx_posted_events_mutex);
|
|
|
1041
|
|
|
1042 return;
|
|
|
1043 }
|
|
|
1044
|
|
|
1045 ngx_sched_yield();
|
|
|
1046 }
|
|
|
1047 }
|
|
|
1048
|
|
|
1049
|
|
50
|
1050 static void *
|
|
|
1051 ngx_worker_thread_cycle(void *data)
|
|
0
|
1052 {
|
|
|
1053 ngx_thread_t *thr = data;
|
|
|
1054
|
|
|
1055 sigset_t set;
|
|
|
1056 ngx_err_t err;
|
|
|
1057 ngx_core_tls_t *tls;
|
|
|
1058 ngx_cycle_t *cycle;
|
|
|
1059
|
|
|
1060 cycle = (ngx_cycle_t *) ngx_cycle;
|
|
|
1061
|
|
|
1062 sigemptyset(&set);
|
|
|
1063 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
|
|
|
1064 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
|
|
|
1065 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
|
|
|
1066
|
|
|
1067 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
1068 if (err) {
|
|
|
1069 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1070 ngx_thread_sigmask_n " failed");
|
|
|
1071 return (void *) 1;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1075 "thread " NGX_TID_T_FMT " started", ngx_thread_self());
|
|
0
|
1076
|
|
|
1077 ngx_setthrtitle("worker thread");
|
|
|
1078
|
|
50
|
1079 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log);
|
|
|
1080 if (tls == NULL) {
|
|
0
|
1081 return (void *) 1;
|
|
|
1082 }
|
|
|
1083
|
|
|
1084 err = ngx_thread_set_tls(ngx_core_tls_key, tls);
|
|
|
1085 if (err != 0) {
|
|
|
1086 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1087 ngx_thread_set_tls_n " failed");
|
|
|
1088 return (void *) 1;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1092 return (void *) 1;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 for ( ;; ) {
|
|
|
1096 thr->state = NGX_THREAD_FREE;
|
|
|
1097
|
|
|
1098 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1099 return (void *) 1;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 if (ngx_terminate) {
|
|
|
1103 thr->state = NGX_THREAD_EXIT;
|
|
|
1104
|
|
|
1105 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
1106
|
|
|
1107 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1108 "thread " NGX_TID_T_FMT " is done",
|
|
|
1109 ngx_thread_self());
|
|
0
|
1110
|
|
|
1111 return (void *) 0;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 thr->state = NGX_THREAD_BUSY;
|
|
|
1115
|
|
|
1116 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1117 return (void *) 1;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1121 return (void *) 1;
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 if (ngx_process_changes) {
|
|
|
1125 if (ngx_process_changes(cycle, 1) == NGX_ERROR) {
|
|
|
1126 return (void *) 1;
|
|
|
1127 }
|
|
|
1128 }
|
|
|
1129 }
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 #endif
|
|
16
|
1133
|
|
|
1134
|
|
50
|
1135 #if 0
|
|
|
1136
|
|
|
1137 static void
|
|
|
1138 ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
|
|
16
|
1139 {
|
|
|
1140 ngx_uint_t i;
|
|
|
1141 ngx_gc_t ctx;
|
|
|
1142 ngx_path_t **path;
|
|
|
1143 ngx_event_t *ev;
|
|
|
1144
|
|
22
|
1145 ngx_worker_process_init(cycle, 0);
|
|
16
|
1146
|
|
|
1147 ev = &cycle->read_events[ngx_channel];
|
|
|
1148
|
|
|
1149 ngx_accept_mutex = NULL;
|
|
|
1150
|
|
|
1151 ngx_setproctitle("garbage collector");
|
|
|
1152
|
|
|
1153 #if 0
|
|
|
1154 ngx_add_timer(ev, 60 * 1000);
|
|
|
1155 #endif
|
|
|
1156
|
|
|
1157 for ( ;; ) {
|
|
|
1158
|
|
|
1159 if (ngx_terminate || ngx_quit) {
|
|
26
|
1160 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
16
|
1161 exit(0);
|
|
|
1162 }
|
|
|
1163
|
|
|
1164 if (ngx_reopen) {
|
|
|
1165 ngx_reopen = 0;
|
|
26
|
1166 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
16
|
1167 ngx_reopen_files(cycle, -1);
|
|
|
1168 }
|
|
|
1169
|
|
|
1170 path = cycle->pathes.elts;
|
|
|
1171 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
1172 ctx.path = path[i];
|
|
|
1173 ctx.log = cycle->log;
|
|
28
|
1174 ctx.handler = path[i]->cleaner;
|
|
16
|
1175
|
|
|
1176 ngx_collect_garbage(&ctx, &path[i]->name, 0);
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 ngx_add_timer(ev, 60 * 60 * 1000);
|
|
|
1180
|
|
|
1181 ngx_process_events(cycle);
|
|
|
1182 }
|
|
|
1183 }
|
|
50
|
1184
|
|
|
1185 #endif
|
