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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_sigio;
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37 sig_atomic_t ngx_terminate;
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38 sig_atomic_t ngx_quit;
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26
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39 sig_atomic_t ngx_debug_quit;
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0
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40 ngx_uint_t ngx_exiting;
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41 sig_atomic_t ngx_reconfigure;
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42 sig_atomic_t ngx_reopen;
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43
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44 sig_atomic_t ngx_change_binary;
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45 ngx_pid_t ngx_new_binary;
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46 ngx_uint_t ngx_inherited;
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47 ngx_uint_t ngx_daemonized;
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48
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49 sig_atomic_t ngx_noaccept;
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50 ngx_uint_t ngx_noaccepting;
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51 ngx_uint_t ngx_restart;
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52
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53
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54 #if (NGX_THREADS)
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55 volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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56 ngx_int_t ngx_threads_n;
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57 #endif
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58
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59
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60 u_char master_process[] = "master process";
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61
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62
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50
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63 void
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64 ngx_master_process_cycle(ngx_cycle_t *cycle)
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0
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65 {
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66 char *title;
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67 u_char *p;
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68 size_t size;
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69 ngx_int_t i;
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80
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70 ngx_uint_t n;
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0
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71 sigset_t set;
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72 struct timeval tv;
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73 struct itimerval itv;
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74 ngx_uint_t live;
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75 ngx_msec_t delay;
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80
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76 ngx_listening_t *ls;
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0
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77 ngx_core_conf_t *ccf;
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78
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79 sigemptyset(&set);
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80 sigaddset(&set, SIGCHLD);
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81 sigaddset(&set, SIGALRM);
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82 sigaddset(&set, SIGIO);
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83 sigaddset(&set, SIGINT);
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84 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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85 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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86 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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87 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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88 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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89 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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90
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91 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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92 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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93 "sigprocmask() failed");
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94 }
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95
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96 sigemptyset(&set);
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97
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98
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99 size = sizeof(master_process);
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100
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2
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101 for (i = 0; i < ngx_argc; i++) {
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102 size += ngx_strlen(ngx_argv[i]) + 1;
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0
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103 }
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104
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105 title = ngx_palloc(cycle->pool, size);
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106
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107 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2
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108 for (i = 0; i < ngx_argc; i++) {
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0
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109 *p++ = ' ';
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2
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110 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size);
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0
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111 }
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112
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113 ngx_setproctitle(title);
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114
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115
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116 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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117
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118 ngx_start_worker_processes(cycle, ccf->worker_processes,
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119 NGX_PROCESS_RESPAWN);
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16
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120 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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121
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122 ngx_new_binary = 0;
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123 delay = 0;
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124 live = 1;
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125
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126 for ( ;; ) {
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127 if (delay) {
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128 delay *= 2;
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129
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130 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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131 "temination cycle: %d", delay);
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132
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133 itv.it_interval.tv_sec = 0;
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134 itv.it_interval.tv_usec = 0;
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135 itv.it_value.tv_sec = delay / 1000;
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136 itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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137
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138 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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139 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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140 "setitimer() failed");
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141 }
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142 }
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143
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144 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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145
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146 sigsuspend(&set);
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147
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148 ngx_gettimeofday(&tv);
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149 ngx_time_update(tv.tv_sec);
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150
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151 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
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152
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153 if (ngx_reap) {
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154 ngx_reap = 0;
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155 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
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156
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157 live = ngx_reap_childs(cycle);
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158 }
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159
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160 if (!live && (ngx_terminate || ngx_quit)) {
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2
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161 ngx_master_exit(cycle);
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0
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162 }
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163
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164 if (ngx_terminate) {
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165 if (delay == 0) {
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166 delay = 50;
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167 }
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168
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169 if (delay > 1000) {
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170 ngx_signal_worker_processes(cycle, SIGKILL);
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171 } else {
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172 ngx_signal_worker_processes(cycle,
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173 ngx_signal_value(NGX_TERMINATE_SIGNAL));
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174 }
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175
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176 continue;
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177 }
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178
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179 if (ngx_quit) {
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180 ngx_signal_worker_processes(cycle,
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181 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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80
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182
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183 ls = cycle->listening.elts;
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184 for (n = 0; n < cycle->listening.nelts; n++) {
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185 if (ngx_close_socket(ls[n].fd) == -1) {
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186 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
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187 ngx_close_socket_n " %V failed",
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188 &ls[n].addr_text);
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189 }
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190 }
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191 cycle->listening.nelts = 0;
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192
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0
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193 continue;
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194 }
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195
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196 if (ngx_reconfigure) {
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197 ngx_reconfigure = 0;
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198
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199 if (ngx_new_binary) {
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200 ngx_start_worker_processes(cycle, ccf->worker_processes,
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201 NGX_PROCESS_RESPAWN);
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16
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202 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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203 ngx_noaccepting = 0;
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204
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205 continue;
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206 }
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207
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26
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208 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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209
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210 cycle = ngx_init_cycle(cycle);
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211 if (cycle == NULL) {
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212 cycle = (ngx_cycle_t *) ngx_cycle;
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213 continue;
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214 }
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215
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216 ngx_cycle = cycle;
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217 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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218 ngx_core_module);
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219 ngx_start_worker_processes(cycle, ccf->worker_processes,
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220 NGX_PROCESS_JUST_RESPAWN);
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16
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221 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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0
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222 live = 1;
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223 ngx_signal_worker_processes(cycle,
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224 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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225 }
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226
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227 if (ngx_restart) {
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228 ngx_restart = 0;
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229 ngx_start_worker_processes(cycle, ccf->worker_processes,
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230 NGX_PROCESS_RESPAWN);
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16
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231 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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232 live = 1;
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233 }
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234
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235 if (ngx_reopen) {
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236 ngx_reopen = 0;
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26
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237 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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238 ngx_reopen_files(cycle, ccf->user);
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239 ngx_signal_worker_processes(cycle,
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240 ngx_signal_value(NGX_REOPEN_SIGNAL));
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241 }
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242
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243 if (ngx_change_binary) {
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244 ngx_change_binary = 0;
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26
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245 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary");
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2
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246 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv);
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0
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247 }
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248
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249 if (ngx_noaccept) {
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250 ngx_noaccept = 0;
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251 ngx_noaccepting = 1;
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252 ngx_signal_worker_processes(cycle,
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253 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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254 }
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255 }
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256 }
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257
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258
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50
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259 void
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260 ngx_single_process_cycle(ngx_cycle_t *cycle)
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0
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261 {
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262 ngx_uint_t i;
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263
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264 ngx_init_temp_number();
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265
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266 for (i = 0; ngx_modules[i]; i++) {
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267 if (ngx_modules[i]->init_process) {
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268 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
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269 /* fatal */
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270 exit(2);
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271 }
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272 }
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273 }
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274
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275 for ( ;; ) {
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276 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
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277
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278 ngx_process_events(cycle);
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279
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280 if (ngx_terminate || ngx_quit) {
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2
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281 ngx_master_exit(cycle);
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0
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282 }
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283
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284 if (ngx_reconfigure) {
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285 ngx_reconfigure = 0;
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26
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286 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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287
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288 cycle = ngx_init_cycle(cycle);
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289 if (cycle == NULL) {
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290 cycle = (ngx_cycle_t *) ngx_cycle;
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291 continue;
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292 }
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293
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294 ngx_cycle = cycle;
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295 }
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296
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297 if (ngx_reopen) {
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298 ngx_reopen = 0;
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26
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299 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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300 ngx_reopen_files(cycle, (ngx_uid_t) -1);
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301 }
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302 }
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303 }
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304
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305
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50
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306 static void
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307 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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308 {
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106
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309 ngx_int_t i;
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310 ngx_channel_t ch;
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0
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311
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26
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312 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes");
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0
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313
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314 ch.command = NGX_CMD_OPEN_CHANNEL;
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315
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316 while (n--) {
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317 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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318 "worker process", type);
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319
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320 ch.pid = ngx_processes[ngx_process_slot].pid;
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321 ch.slot = ngx_process_slot;
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322 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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323
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324 for (i = 0; i < ngx_last_process; i++) {
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325
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326 if (i == ngx_process_slot
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327 || ngx_processes[i].pid == -1
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328 || ngx_processes[i].channel[0] == -1)
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329 {
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330 continue;
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331 }
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332
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333 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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10
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334 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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335 ch.slot, ch.pid, ch.fd,
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336 i, ngx_processes[i].pid,
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337 ngx_processes[i].channel[0]);
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0
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338
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339 /* TODO: NGX_AGAIN */
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340
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341 ngx_write_channel(ngx_processes[i].channel[0],
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342 &ch, sizeof(ngx_channel_t), cycle->log);
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343 }
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344 }
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345 }
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346
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347
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50
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348 static void
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349 ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
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16
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350 {
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50
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351 #if 0
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352 ngx_int_t i;
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353 ngx_channel_t ch;
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16
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354
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26
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355 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start garbage collector");
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16
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356
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357 ch.command = NGX_CMD_OPEN_CHANNEL;
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358
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359 ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
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360 "garbage collector", type);
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361
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362 ch.pid = ngx_processes[ngx_process_slot].pid;
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363 ch.slot = ngx_process_slot;
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364 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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365
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366 for (i = 0; i < ngx_last_process; i++) {
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367
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368 if (i == ngx_process_slot
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369 || ngx_processes[i].pid == -1
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370 || ngx_processes[i].channel[0] == -1)
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371 {
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372 continue;
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373 }
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374
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375 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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376 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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377 ch.slot, ch.pid, ch.fd,
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378 i, ngx_processes[i].pid,
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379 ngx_processes[i].channel[0]);
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380
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381 /* TODO: NGX_AGAIN */
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382
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383 ngx_write_channel(ngx_processes[i].channel[0],
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384 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
385 }
|
|
50
|
386 #endif
|
|
16
|
387 }
|
|
|
388
|
|
|
389
|
|
50
|
390 static void
|
|
|
391 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
0
|
392 {
|
|
|
393 ngx_int_t i;
|
|
|
394 ngx_err_t err;
|
|
|
395 ngx_channel_t ch;
|
|
|
396
|
|
|
397 switch (signo) {
|
|
|
398
|
|
|
399 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
|
|
|
400 ch.command = NGX_CMD_QUIT;
|
|
|
401 break;
|
|
|
402
|
|
|
403 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
|
|
|
404 ch.command = NGX_CMD_TERMINATE;
|
|
|
405 break;
|
|
|
406
|
|
|
407 case ngx_signal_value(NGX_REOPEN_SIGNAL):
|
|
|
408 ch.command = NGX_CMD_REOPEN;
|
|
|
409 break;
|
|
|
410
|
|
|
411 default:
|
|
|
412 ch.command = 0;
|
|
|
413 }
|
|
|
414
|
|
|
415 ch.fd = -1;
|
|
|
416
|
|
|
417
|
|
|
418 for (i = 0; i < ngx_last_process; i++) {
|
|
|
419
|
|
|
420 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
421 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
422 i,
|
|
|
423 ngx_processes[i].pid,
|
|
|
424 ngx_processes[i].exiting,
|
|
|
425 ngx_processes[i].exited,
|
|
|
426 ngx_processes[i].detached,
|
|
|
427 ngx_processes[i].respawn,
|
|
|
428 ngx_processes[i].just_respawn);
|
|
|
429
|
|
|
430 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) {
|
|
|
431 continue;
|
|
|
432 }
|
|
|
433
|
|
|
434 if (ngx_processes[i].just_respawn) {
|
|
|
435 ngx_processes[i].just_respawn = 0;
|
|
|
436 continue;
|
|
|
437 }
|
|
|
438
|
|
|
439 if (ngx_processes[i].exiting
|
|
|
440 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
441 {
|
|
|
442 continue;
|
|
|
443 }
|
|
|
444
|
|
|
445 if (ch.command) {
|
|
|
446 if (ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
447 &ch, sizeof(ngx_channel_t), cycle->log) == NGX_OK)
|
|
|
448 {
|
|
|
449 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
450 ngx_processes[i].exiting = 1;
|
|
|
451 }
|
|
|
452
|
|
|
453 continue;
|
|
|
454 }
|
|
|
455 }
|
|
|
456
|
|
|
457 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
458 "kill (%P, %d)" , ngx_processes[i].pid, signo);
|
|
0
|
459
|
|
|
460 if (kill(ngx_processes[i].pid, signo) == -1) {
|
|
|
461 err = ngx_errno;
|
|
|
462 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
10
|
463 "kill(%P, %d) failed",
|
|
0
|
464 ngx_processes[i].pid, signo);
|
|
|
465
|
|
|
466 if (err == NGX_ESRCH) {
|
|
|
467 ngx_processes[i].exited = 1;
|
|
|
468 ngx_processes[i].exiting = 0;
|
|
|
469 ngx_reap = 1;
|
|
|
470 }
|
|
|
471
|
|
|
472 continue;
|
|
|
473 }
|
|
|
474
|
|
|
475 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
476 ngx_processes[i].exiting = 1;
|
|
|
477 }
|
|
|
478 }
|
|
|
479 }
|
|
|
480
|
|
|
481
|
|
50
|
482 static ngx_uint_t
|
|
|
483 ngx_reap_childs(ngx_cycle_t *cycle)
|
|
0
|
484 {
|
|
92
|
485 ngx_int_t i, n;
|
|
|
486 ngx_uint_t live;
|
|
|
487 ngx_channel_t ch;
|
|
|
488 ngx_core_conf_t *ccf;
|
|
0
|
489
|
|
|
490 ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
491 ch.fd = -1;
|
|
|
492
|
|
|
493 live = 0;
|
|
|
494 for (i = 0; i < ngx_last_process; i++) {
|
|
|
495
|
|
|
496 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
497 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
498 i,
|
|
|
499 ngx_processes[i].pid,
|
|
|
500 ngx_processes[i].exiting,
|
|
|
501 ngx_processes[i].exited,
|
|
|
502 ngx_processes[i].detached,
|
|
|
503 ngx_processes[i].respawn,
|
|
|
504 ngx_processes[i].just_respawn);
|
|
|
505
|
|
|
506 if (ngx_processes[i].pid == -1) {
|
|
|
507 continue;
|
|
|
508 }
|
|
|
509
|
|
|
510 if (ngx_processes[i].exited) {
|
|
|
511
|
|
|
512 if (!ngx_processes[i].detached) {
|
|
|
513 ngx_close_channel(ngx_processes[i].channel, cycle->log);
|
|
|
514
|
|
|
515 ngx_processes[i].channel[0] = -1;
|
|
|
516 ngx_processes[i].channel[1] = -1;
|
|
|
517
|
|
|
518 ch.pid = ngx_processes[i].pid;
|
|
|
519 ch.slot = i;
|
|
|
520
|
|
|
521 for (n = 0; n < ngx_last_process; n++) {
|
|
|
522 if (ngx_processes[n].exited
|
|
|
523 || ngx_processes[n].pid == -1
|
|
|
524 || ngx_processes[n].channel[0] == -1)
|
|
|
525 {
|
|
|
526 continue;
|
|
|
527 }
|
|
|
528
|
|
|
529 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
530 "pass close channel s:%i pid:%P to:%P",
|
|
|
531 ch.slot, ch.pid, ngx_processes[n].pid);
|
|
0
|
532
|
|
|
533 /* TODO: NGX_AGAIN */
|
|
|
534
|
|
|
535 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
536 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
537 }
|
|
|
538 }
|
|
|
539
|
|
|
540 if (ngx_processes[i].respawn
|
|
|
541 && !ngx_processes[i].exiting
|
|
|
542 && !ngx_terminate
|
|
|
543 && !ngx_quit)
|
|
|
544 {
|
|
|
545 if (ngx_spawn_process(cycle, ngx_processes[i].proc,
|
|
|
546 ngx_processes[i].data,
|
|
|
547 ngx_processes[i].name, i)
|
|
92
|
548 == NGX_INVALID_PID)
|
|
0
|
549 {
|
|
|
550 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
551 "can not respawn %s", ngx_processes[i].name);
|
|
|
552 continue;
|
|
|
553 }
|
|
|
554
|
|
22
|
555
|
|
|
556 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
557 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
558 ch.slot = ngx_process_slot;
|
|
|
559 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
560
|
|
|
561 for (n = 0; n < ngx_last_process; n++) {
|
|
|
562
|
|
|
563 if (n == ngx_process_slot
|
|
|
564 || ngx_processes[n].pid == -1
|
|
|
565 || ngx_processes[n].channel[0] == -1)
|
|
|
566 {
|
|
|
567 continue;
|
|
|
568 }
|
|
|
569
|
|
|
570 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
571 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
572 ch.slot, ch.pid, ch.fd,
|
|
|
573 n, ngx_processes[n].pid,
|
|
|
574 ngx_processes[n].channel[0]);
|
|
|
575
|
|
|
576 /* TODO: NGX_AGAIN */
|
|
|
577
|
|
|
578 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
579 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
580 }
|
|
|
581
|
|
0
|
582 live = 1;
|
|
|
583
|
|
|
584 continue;
|
|
|
585 }
|
|
|
586
|
|
|
587 if (ngx_processes[i].pid == ngx_new_binary) {
|
|
92
|
588
|
|
|
589 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
|
|
|
590 ngx_core_module);
|
|
|
591
|
|
|
592 if (ngx_rename_file((char *) ccf->oldpid.data,
|
|
|
593 (char *) ccf->pid.data)
|
|
|
594 != NGX_OK)
|
|
|
595 {
|
|
|
596 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
597 ngx_rename_file_n " %s back to %s failed "
|
|
|
598 "after the new binary process \"%s\" exited",
|
|
|
599 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]);
|
|
|
600 }
|
|
|
601
|
|
0
|
602 ngx_new_binary = 0;
|
|
|
603 if (ngx_noaccepting) {
|
|
|
604 ngx_restart = 1;
|
|
|
605 ngx_noaccepting = 0;
|
|
|
606 }
|
|
|
607 }
|
|
|
608
|
|
|
609 if (i == ngx_last_process - 1) {
|
|
|
610 ngx_last_process--;
|
|
|
611
|
|
|
612 } else {
|
|
|
613 ngx_processes[i].pid = -1;
|
|
|
614 }
|
|
|
615
|
|
|
616 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) {
|
|
|
617 live = 1;
|
|
|
618 }
|
|
|
619 }
|
|
|
620
|
|
|
621 return live;
|
|
|
622 }
|
|
|
623
|
|
|
624
|
|
50
|
625 static void
|
|
|
626 ngx_master_exit(ngx_cycle_t *cycle)
|
|
0
|
627 {
|
|
|
628 ngx_delete_pidfile(cycle);
|
|
|
629
|
|
26
|
630 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit");
|
|
0
|
631
|
|
54
|
632 /*
|
|
|
633 * we do not destroy cycle->pool here because a signal handler
|
|
|
634 * that uses cycle->log can be called at this point
|
|
|
635 */
|
|
|
636
|
|
|
637 #if 0
|
|
0
|
638 ngx_destroy_pool(cycle->pool);
|
|
54
|
639 #endif
|
|
0
|
640
|
|
|
641 exit(0);
|
|
|
642 }
|
|
|
643
|
|
|
644
|
|
50
|
645 static void
|
|
|
646 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
0
|
647 {
|
|
50
|
648 #if (NGX_THREADS)
|
|
18
|
649 ngx_int_t n;
|
|
|
650 ngx_err_t err;
|
|
|
651 ngx_core_conf_t *ccf;
|
|
50
|
652 #endif
|
|
18
|
653
|
|
22
|
654 ngx_worker_process_init(cycle, 1);
|
|
0
|
655
|
|
|
656 ngx_setproctitle("worker process");
|
|
|
657
|
|
|
658 #if (NGX_THREADS)
|
|
|
659
|
|
|
660 if (ngx_time_mutex_init(cycle->log) == NGX_ERROR) {
|
|
|
661 /* fatal */
|
|
|
662 exit(2);
|
|
|
663 }
|
|
|
664
|
|
18
|
665 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
666
|
|
0
|
667 if (ngx_threads_n) {
|
|
|
668 if (ngx_init_threads(ngx_threads_n,
|
|
|
669 ccf->thread_stack_size, cycle) == NGX_ERROR)
|
|
|
670 {
|
|
|
671 /* fatal */
|
|
|
672 exit(2);
|
|
|
673 }
|
|
|
674
|
|
|
675 err = ngx_thread_key_create(&ngx_core_tls_key);
|
|
|
676 if (err != 0) {
|
|
|
677 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
678 ngx_thread_key_create_n " failed");
|
|
|
679 /* fatal */
|
|
|
680 exit(2);
|
|
|
681 }
|
|
|
682
|
|
|
683 for (n = 0; n < ngx_threads_n; n++) {
|
|
|
684
|
|
50
|
685 ngx_threads[n].cv = ngx_cond_init(cycle->log);
|
|
|
686
|
|
|
687 if (ngx_threads[n].cv == NULL) {
|
|
0
|
688 /* fatal */
|
|
|
689 exit(2);
|
|
|
690 }
|
|
|
691
|
|
|
692 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
|
|
|
693 ngx_worker_thread_cycle,
|
|
|
694 (void *) &ngx_threads[n], cycle->log) != 0)
|
|
|
695 {
|
|
|
696 /* fatal */
|
|
|
697 exit(2);
|
|
|
698 }
|
|
|
699 }
|
|
|
700 }
|
|
|
701
|
|
|
702 #endif
|
|
|
703
|
|
|
704 for ( ;; ) {
|
|
|
705 if (ngx_exiting
|
|
|
706 && ngx_event_timer_rbtree == &ngx_event_timer_sentinel)
|
|
|
707 {
|
|
26
|
708 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
709
|
|
|
710
|
|
|
711 #if (NGX_THREADS)
|
|
|
712 ngx_terminate = 1;
|
|
|
713
|
|
|
714 ngx_wakeup_worker_threads(cycle);
|
|
|
715 #endif
|
|
|
716
|
|
26
|
717 if (ngx_debug_quit) {
|
|
|
718 ngx_debug_point();
|
|
|
719 }
|
|
|
720
|
|
0
|
721 /*
|
|
|
722 * we do not destroy cycle->pool here because a signal handler
|
|
|
723 * that uses cycle->log can be called at this point
|
|
|
724 */
|
|
54
|
725
|
|
|
726 #if 0
|
|
|
727 ngx_destroy_pool(cycle->pool);
|
|
|
728 #endif
|
|
0
|
729 exit(0);
|
|
|
730 }
|
|
|
731
|
|
|
732 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
733
|
|
|
734 ngx_process_events(cycle);
|
|
|
735
|
|
|
736 if (ngx_terminate) {
|
|
26
|
737 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
738
|
|
|
739 #if (NGX_THREADS)
|
|
|
740 ngx_wakeup_worker_threads(cycle);
|
|
|
741 #endif
|
|
|
742
|
|
|
743 /*
|
|
|
744 * we do not destroy cycle->pool here because a signal handler
|
|
|
745 * that uses cycle->log can be called at this point
|
|
|
746 */
|
|
54
|
747
|
|
|
748 #if 0
|
|
|
749 ngx_destroy_pool(cycle->pool);
|
|
|
750 #endif
|
|
|
751
|
|
0
|
752 exit(0);
|
|
|
753 }
|
|
|
754
|
|
|
755 if (ngx_quit) {
|
|
|
756 ngx_quit = 0;
|
|
26
|
757 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
758 "gracefully shutting down");
|
|
|
759 ngx_setproctitle("worker process is shutting down");
|
|
|
760
|
|
|
761 if (!ngx_exiting) {
|
|
|
762 ngx_close_listening_sockets(cycle);
|
|
|
763 ngx_exiting = 1;
|
|
|
764 }
|
|
|
765 }
|
|
|
766
|
|
|
767 if (ngx_reopen) {
|
|
|
768 ngx_reopen = 0;
|
|
26
|
769 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
0
|
770 ngx_reopen_files(cycle, -1);
|
|
|
771 }
|
|
|
772 }
|
|
|
773 }
|
|
|
774
|
|
|
775
|
|
50
|
776 static void
|
|
|
777 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority)
|
|
16
|
778 {
|
|
|
779 sigset_t set;
|
|
|
780 ngx_int_t n;
|
|
|
781 ngx_uint_t i;
|
|
92
|
782 struct rlimit rlmt;
|
|
16
|
783 ngx_core_conf_t *ccf;
|
|
|
784 ngx_listening_t *ls;
|
|
|
785
|
|
|
786 ngx_process = NGX_PROCESS_WORKER;
|
|
|
787
|
|
|
788 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
789
|
|
|
790 if (geteuid() == 0) {
|
|
22
|
791 if (priority && ccf->priority != 0) {
|
|
|
792 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) {
|
|
|
793 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
794 "setpriority(%d) failed", ccf->priority);
|
|
|
795 }
|
|
|
796 }
|
|
|
797
|
|
92
|
798 if (ccf->rlimit_nofile != NGX_CONF_UNSET) {
|
|
|
799 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile;
|
|
|
800 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile;
|
|
|
801
|
|
|
802 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
|
|
|
803 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
804 "setrlimit(RLIMIT_NOFILE, %i) failed",
|
|
|
805 ccf->rlimit_nofile);
|
|
|
806 }
|
|
|
807 }
|
|
|
808
|
|
|
809 #ifdef RLIMIT_SIGPENDING
|
|
|
810 if (ccf->rlimit_sigpending != NGX_CONF_UNSET) {
|
|
|
811 rlmt.rlim_cur = (rlim_t) ccf->rlimit_sigpending;
|
|
|
812 rlmt.rlim_max = (rlim_t) ccf->rlimit_sigpending;
|
|
|
813
|
|
|
814 if (setrlimit(RLIMIT_SIGPENDING, &rlmt) == -1) {
|
|
|
815 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
816 "setrlimit(RLIMIT_SIGPENDING, %i) failed",
|
|
|
817 ccf->rlimit_sigpending);
|
|
|
818 }
|
|
|
819 }
|
|
|
820 #endif
|
|
|
821
|
|
16
|
822 if (setgid(ccf->group) == -1) {
|
|
|
823 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
824 "setgid(%d) failed", ccf->group);
|
|
|
825 /* fatal */
|
|
|
826 exit(2);
|
|
|
827 }
|
|
|
828
|
|
22
|
829 if (initgroups(ccf->username, ccf->group) == -1) {
|
|
|
830 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
831 "initgroups(%s, %d) failed",
|
|
|
832 ccf->username, ccf->group);
|
|
|
833 }
|
|
|
834
|
|
16
|
835 if (setuid(ccf->user) == -1) {
|
|
|
836 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
837 "setuid(%d) failed", ccf->user);
|
|
|
838 /* fatal */
|
|
|
839 exit(2);
|
|
|
840 }
|
|
|
841 }
|
|
|
842
|
|
|
843 #if (NGX_HAVE_PR_SET_DUMPABLE)
|
|
|
844
|
|
|
845 /* allow coredump after setuid() in Linux 2.4.x */
|
|
|
846
|
|
|
847 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
|
|
|
848 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
849 "prctl(PR_SET_DUMPABLE) failed");
|
|
|
850 }
|
|
|
851
|
|
|
852 #endif
|
|
|
853
|
|
70
|
854 if (ccf->working_directory.len) {
|
|
72
|
855 if (chdir((char *) ccf->working_directory.data) == -1) {
|
|
70
|
856 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
857 "chdir(\"%s\") failed", ccf->working_directory.data);
|
|
|
858 /* fatal */
|
|
|
859 exit(2);
|
|
|
860 }
|
|
|
861 }
|
|
|
862
|
|
16
|
863 sigemptyset(&set);
|
|
|
864
|
|
|
865 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
866 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
867 "sigprocmask() failed");
|
|
|
868 }
|
|
|
869
|
|
|
870 ngx_init_temp_number();
|
|
|
871
|
|
|
872 /*
|
|
|
873 * disable deleting previous events for the listening sockets because
|
|
|
874 * in the worker processes there are no events at all at this point
|
|
|
875 */
|
|
|
876 ls = cycle->listening.elts;
|
|
|
877 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
92
|
878 ls[i].previous = NULL;
|
|
16
|
879 }
|
|
|
880
|
|
|
881 for (i = 0; ngx_modules[i]; i++) {
|
|
|
882 if (ngx_modules[i]->init_process) {
|
|
|
883 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
884 /* fatal */
|
|
|
885 exit(2);
|
|
|
886 }
|
|
|
887 }
|
|
|
888 }
|
|
|
889
|
|
|
890 for (n = 0; n < ngx_last_process; n++) {
|
|
|
891
|
|
|
892 if (ngx_processes[n].pid == -1) {
|
|
|
893 continue;
|
|
|
894 }
|
|
|
895
|
|
|
896 if (n == ngx_process_slot) {
|
|
|
897 continue;
|
|
|
898 }
|
|
|
899
|
|
|
900 if (ngx_processes[n].channel[1] == -1) {
|
|
|
901 continue;
|
|
|
902 }
|
|
|
903
|
|
|
904 if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
905 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
906 "close() channel failed");
|
|
|
907 }
|
|
|
908 }
|
|
|
909
|
|
|
910 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
|
|
|
911 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
912 "close() channel failed");
|
|
|
913 }
|
|
|
914
|
|
|
915 #if 0
|
|
|
916 ngx_last_process = 0;
|
|
|
917 #endif
|
|
|
918
|
|
|
919 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT,
|
|
84
|
920 ngx_channel_handler) == NGX_ERROR)
|
|
16
|
921 {
|
|
|
922 /* fatal */
|
|
|
923 exit(2);
|
|
|
924 }
|
|
|
925 }
|
|
|
926
|
|
|
927
|
|
50
|
928 static void
|
|
|
929 ngx_channel_handler(ngx_event_t *ev)
|
|
0
|
930 {
|
|
|
931 ngx_int_t n;
|
|
92
|
932 ngx_socket_t fd;
|
|
0
|
933 ngx_channel_t ch;
|
|
|
934 ngx_connection_t *c;
|
|
|
935
|
|
16
|
936 if (ev->timedout) {
|
|
|
937 ev->timedout = 0;
|
|
|
938 return;
|
|
|
939 }
|
|
|
940
|
|
0
|
941 c = ev->data;
|
|
|
942
|
|
|
943 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
944
|
|
|
945 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
946
|
|
10
|
947 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n);
|
|
0
|
948
|
|
10
|
949 if (n == NGX_ERROR) {
|
|
92
|
950
|
|
|
951 ngx_free_connection(c);
|
|
|
952
|
|
|
953 fd = c->fd;
|
|
|
954 c->fd = (ngx_socket_t) -1;
|
|
|
955
|
|
|
956 if (close(fd) == -1) {
|
|
10
|
957 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
958 "close() channel failed");
|
|
|
959 }
|
|
|
960
|
|
|
961 return;
|
|
|
962 }
|
|
|
963
|
|
|
964 if (n == NGX_AGAIN) {
|
|
0
|
965 return;
|
|
|
966 }
|
|
|
967
|
|
|
968 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
969 "channel command: %d", ch.command);
|
|
|
970
|
|
|
971 switch (ch.command) {
|
|
|
972
|
|
|
973 case NGX_CMD_QUIT:
|
|
|
974 ngx_quit = 1;
|
|
|
975 break;
|
|
|
976
|
|
|
977 case NGX_CMD_TERMINATE:
|
|
|
978 ngx_terminate = 1;
|
|
|
979 break;
|
|
|
980
|
|
|
981 case NGX_CMD_REOPEN:
|
|
|
982 ngx_reopen = 1;
|
|
|
983 break;
|
|
|
984
|
|
|
985 case NGX_CMD_OPEN_CHANNEL:
|
|
|
986
|
|
|
987 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
988 "get channel s:%i pid:%P fd:%d", ch.slot, ch.pid, ch.fd);
|
|
0
|
989
|
|
|
990 ngx_processes[ch.slot].pid = ch.pid;
|
|
|
991 ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
992 break;
|
|
|
993
|
|
|
994 case NGX_CMD_CLOSE_CHANNEL:
|
|
|
995
|
|
|
996 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
997 "close channel s:%i pid:%P our:%P fd:%d",
|
|
0
|
998 ch.slot, ch.pid, ngx_processes[ch.slot].pid,
|
|
|
999 ngx_processes[ch.slot].channel[0]);
|
|
|
1000
|
|
|
1001 if (close(ngx_processes[ch.slot].channel[0]) == -1) {
|
|
16
|
1002 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
1003 "close() channel failed");
|
|
0
|
1004 }
|
|
|
1005
|
|
|
1006 ngx_processes[ch.slot].channel[0] = -1;
|
|
|
1007 break;
|
|
|
1008 }
|
|
|
1009 }
|
|
|
1010
|
|
|
1011
|
|
|
1012 #if (NGX_THREADS)
|
|
|
1013
|
|
50
|
1014 static void
|
|
|
1015 ngx_wakeup_worker_threads(ngx_cycle_t *cycle)
|
|
0
|
1016 {
|
|
|
1017 ngx_int_t i;
|
|
|
1018 ngx_uint_t live;
|
|
|
1019
|
|
|
1020 for ( ;; ) {
|
|
|
1021
|
|
|
1022 live = 0;
|
|
|
1023
|
|
|
1024 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
1025 if (ngx_threads[i].state < NGX_THREAD_EXIT) {
|
|
18
|
1026 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) {
|
|
|
1027 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
0
|
1028
|
|
|
1029 } else {
|
|
|
1030 live = 1;
|
|
|
1031 }
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 if (ngx_threads[i].state == NGX_THREAD_EXIT) {
|
|
|
1035 ngx_thread_join(ngx_threads[i].tid, NULL);
|
|
|
1036 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
|
1037 }
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 if (live == 0) {
|
|
|
1041 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
1042 "all worker threads are joined");
|
|
|
1043
|
|
|
1044 /* STUB */
|
|
|
1045 ngx_done_events(cycle);
|
|
|
1046 ngx_mutex_destroy(ngx_event_timer_mutex);
|
|
|
1047 ngx_mutex_destroy(ngx_posted_events_mutex);
|
|
|
1048
|
|
|
1049 return;
|
|
|
1050 }
|
|
|
1051
|
|
|
1052 ngx_sched_yield();
|
|
|
1053 }
|
|
|
1054 }
|
|
|
1055
|
|
|
1056
|
|
50
|
1057 static void *
|
|
|
1058 ngx_worker_thread_cycle(void *data)
|
|
0
|
1059 {
|
|
|
1060 ngx_thread_t *thr = data;
|
|
|
1061
|
|
|
1062 sigset_t set;
|
|
|
1063 ngx_err_t err;
|
|
|
1064 ngx_core_tls_t *tls;
|
|
|
1065 ngx_cycle_t *cycle;
|
|
|
1066
|
|
|
1067 cycle = (ngx_cycle_t *) ngx_cycle;
|
|
|
1068
|
|
|
1069 sigemptyset(&set);
|
|
|
1070 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
|
|
|
1071 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
|
|
|
1072 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
|
|
|
1073
|
|
|
1074 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
1075 if (err) {
|
|
|
1076 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1077 ngx_thread_sigmask_n " failed");
|
|
|
1078 return (void *) 1;
|
|
|
1079 }
|
|
|
1080
|
|
|
1081 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1082 "thread " NGX_TID_T_FMT " started", ngx_thread_self());
|
|
0
|
1083
|
|
|
1084 ngx_setthrtitle("worker thread");
|
|
|
1085
|
|
50
|
1086 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log);
|
|
|
1087 if (tls == NULL) {
|
|
0
|
1088 return (void *) 1;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 err = ngx_thread_set_tls(ngx_core_tls_key, tls);
|
|
|
1092 if (err != 0) {
|
|
|
1093 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1094 ngx_thread_set_tls_n " failed");
|
|
|
1095 return (void *) 1;
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1099 return (void *) 1;
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 for ( ;; ) {
|
|
|
1103 thr->state = NGX_THREAD_FREE;
|
|
|
1104
|
|
|
1105 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
1106 return (void *) 1;
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 if (ngx_terminate) {
|
|
|
1110 thr->state = NGX_THREAD_EXIT;
|
|
|
1111
|
|
|
1112 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
1113
|
|
|
1114 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1115 "thread " NGX_TID_T_FMT " is done",
|
|
|
1116 ngx_thread_self());
|
|
0
|
1117
|
|
|
1118 return (void *) 0;
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 thr->state = NGX_THREAD_BUSY;
|
|
|
1122
|
|
|
1123 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1124 return (void *) 1;
|
|
|
1125 }
|
|
|
1126
|
|
|
1127 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
|
1128 return (void *) 1;
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 if (ngx_process_changes) {
|
|
|
1132 if (ngx_process_changes(cycle, 1) == NGX_ERROR) {
|
|
|
1133 return (void *) 1;
|
|
|
1134 }
|
|
|
1135 }
|
|
|
1136 }
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 #endif
|
|
16
|
1140
|
|
|
1141
|
|
50
|
1142 #if 0
|
|
|
1143
|
|
|
1144 static void
|
|
|
1145 ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
|
|
16
|
1146 {
|
|
|
1147 ngx_uint_t i;
|
|
|
1148 ngx_gc_t ctx;
|
|
|
1149 ngx_path_t **path;
|
|
|
1150 ngx_event_t *ev;
|
|
|
1151
|
|
22
|
1152 ngx_worker_process_init(cycle, 0);
|
|
16
|
1153
|
|
92
|
1154 ev = &cycle->read_events0[ngx_channel];
|
|
16
|
1155
|
|
|
1156 ngx_accept_mutex = NULL;
|
|
|
1157
|
|
|
1158 ngx_setproctitle("garbage collector");
|
|
|
1159
|
|
|
1160 #if 0
|
|
|
1161 ngx_add_timer(ev, 60 * 1000);
|
|
|
1162 #endif
|
|
|
1163
|
|
|
1164 for ( ;; ) {
|
|
|
1165
|
|
|
1166 if (ngx_terminate || ngx_quit) {
|
|
26
|
1167 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
16
|
1168 exit(0);
|
|
|
1169 }
|
|
|
1170
|
|
|
1171 if (ngx_reopen) {
|
|
|
1172 ngx_reopen = 0;
|
|
26
|
1173 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
16
|
1174 ngx_reopen_files(cycle, -1);
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 path = cycle->pathes.elts;
|
|
|
1178 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
1179 ctx.path = path[i];
|
|
|
1180 ctx.log = cycle->log;
|
|
28
|
1181 ctx.handler = path[i]->cleaner;
|
|
16
|
1182
|
|
|
1183 ngx_collect_garbage(&ctx, &path[i]->name, 0);
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 ngx_add_timer(ev, 60 * 60 * 1000);
|
|
|
1187
|
|
|
1188 ngx_process_events(cycle);
|
|
|
1189 }
|
|
|
1190 }
|
|
50
|
1191
|
|
|
1192 #endif
|
