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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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112
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24 static ngx_thread_value_t ngx_worker_thread_cycle(void *data);
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0
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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 itimerval itv;
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73 ngx_uint_t live;
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74 ngx_msec_t delay;
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80
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75 ngx_listening_t *ls;
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0
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76 ngx_core_conf_t *ccf;
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77
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78 sigemptyset(&set);
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79 sigaddset(&set, SIGCHLD);
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80 sigaddset(&set, SIGALRM);
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81 sigaddset(&set, SIGIO);
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82 sigaddset(&set, SIGINT);
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83 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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84 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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85 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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86 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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87 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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88 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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89
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90 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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91 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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92 "sigprocmask() failed");
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93 }
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94
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95 sigemptyset(&set);
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96
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97
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98 size = sizeof(master_process);
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99
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2
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100 for (i = 0; i < ngx_argc; i++) {
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101 size += ngx_strlen(ngx_argv[i]) + 1;
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0
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102 }
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103
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104 title = ngx_palloc(cycle->pool, size);
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105
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106 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2
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107 for (i = 0; i < ngx_argc; i++) {
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0
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108 *p++ = ' ';
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2
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109 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size);
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0
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110 }
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111
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112 ngx_setproctitle(title);
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113
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114
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115 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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116
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117 ngx_start_worker_processes(cycle, ccf->worker_processes,
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118 NGX_PROCESS_RESPAWN);
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16
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119 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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120
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121 ngx_new_binary = 0;
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122 delay = 0;
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123 live = 1;
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124
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125 for ( ;; ) {
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126 if (delay) {
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127 delay *= 2;
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128
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129 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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130 "temination cycle: %d", delay);
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131
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132 itv.it_interval.tv_sec = 0;
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133 itv.it_interval.tv_usec = 0;
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134 itv.it_value.tv_sec = delay / 1000;
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135 itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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136
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137 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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138 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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139 "setitimer() failed");
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140 }
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141 }
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142
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143 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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144
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145 sigsuspend(&set);
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146
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112
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147 ngx_time_update(0, 0);
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0
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148
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149 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
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150
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151 if (ngx_reap) {
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152 ngx_reap = 0;
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153 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
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154
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155 live = ngx_reap_childs(cycle);
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156 }
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157
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158 if (!live && (ngx_terminate || ngx_quit)) {
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2
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159 ngx_master_exit(cycle);
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0
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160 }
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161
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162 if (ngx_terminate) {
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163 if (delay == 0) {
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164 delay = 50;
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165 }
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166
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167 if (delay > 1000) {
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168 ngx_signal_worker_processes(cycle, SIGKILL);
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169 } else {
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170 ngx_signal_worker_processes(cycle,
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171 ngx_signal_value(NGX_TERMINATE_SIGNAL));
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172 }
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173
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174 continue;
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175 }
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176
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177 if (ngx_quit) {
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178 ngx_signal_worker_processes(cycle,
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179 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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80
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180
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181 ls = cycle->listening.elts;
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182 for (n = 0; n < cycle->listening.nelts; n++) {
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183 if (ngx_close_socket(ls[n].fd) == -1) {
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184 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
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185 ngx_close_socket_n " %V failed",
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186 &ls[n].addr_text);
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187 }
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188 }
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189 cycle->listening.nelts = 0;
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190
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0
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191 continue;
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192 }
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193
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194 if (ngx_reconfigure) {
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195 ngx_reconfigure = 0;
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196
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197 if (ngx_new_binary) {
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198 ngx_start_worker_processes(cycle, ccf->worker_processes,
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199 NGX_PROCESS_RESPAWN);
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16
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200 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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201 ngx_noaccepting = 0;
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202
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203 continue;
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204 }
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205
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26
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206 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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207
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208 cycle = ngx_init_cycle(cycle);
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209 if (cycle == NULL) {
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210 cycle = (ngx_cycle_t *) ngx_cycle;
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211 continue;
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212 }
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213
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214 ngx_cycle = cycle;
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215 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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216 ngx_core_module);
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217 ngx_start_worker_processes(cycle, ccf->worker_processes,
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218 NGX_PROCESS_JUST_RESPAWN);
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16
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219 ngx_start_garbage_collector(cycle, NGX_PROCESS_JUST_RESPAWN);
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0
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220 live = 1;
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221 ngx_signal_worker_processes(cycle,
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222 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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223 }
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224
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225 if (ngx_restart) {
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226 ngx_restart = 0;
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227 ngx_start_worker_processes(cycle, ccf->worker_processes,
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228 NGX_PROCESS_RESPAWN);
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16
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229 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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230 live = 1;
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231 }
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232
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233 if (ngx_reopen) {
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234 ngx_reopen = 0;
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26
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235 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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236 ngx_reopen_files(cycle, ccf->user);
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237 ngx_signal_worker_processes(cycle,
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238 ngx_signal_value(NGX_REOPEN_SIGNAL));
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239 }
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240
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241 if (ngx_change_binary) {
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242 ngx_change_binary = 0;
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26
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243 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "changing binary");
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2
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244 ngx_new_binary = ngx_exec_new_binary(cycle, ngx_argv);
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0
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245 }
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246
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247 if (ngx_noaccept) {
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248 ngx_noaccept = 0;
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249 ngx_noaccepting = 1;
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250 ngx_signal_worker_processes(cycle,
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251 ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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252 }
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253 }
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254 }
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255
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256
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50
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257 void
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258 ngx_single_process_cycle(ngx_cycle_t *cycle)
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0
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259 {
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260 ngx_uint_t i;
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261
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262 ngx_init_temp_number();
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263
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264 for (i = 0; ngx_modules[i]; i++) {
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265 if (ngx_modules[i]->init_process) {
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266 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
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267 /* fatal */
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268 exit(2);
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269 }
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270 }
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271 }
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272
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273 for ( ;; ) {
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274 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
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275
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112
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276 ngx_process_events_and_timers(cycle);
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0
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277
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278 if (ngx_terminate || ngx_quit) {
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120
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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]->exit_process) {
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282 ngx_modules[i]->exit_process(cycle);
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283 }
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284 }
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285
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2
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286 ngx_master_exit(cycle);
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0
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287 }
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288
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289 if (ngx_reconfigure) {
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290 ngx_reconfigure = 0;
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26
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291 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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292
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293 cycle = ngx_init_cycle(cycle);
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294 if (cycle == NULL) {
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295 cycle = (ngx_cycle_t *) ngx_cycle;
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296 continue;
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297 }
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298
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299 ngx_cycle = cycle;
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300 }
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301
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302 if (ngx_reopen) {
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303 ngx_reopen = 0;
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26
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304 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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305 ngx_reopen_files(cycle, (ngx_uid_t) -1);
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306 }
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307 }
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308 }
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309
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310
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50
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311 static void
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312 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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313 {
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106
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314 ngx_int_t i;
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315 ngx_channel_t ch;
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0
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316
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26
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317 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes");
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0
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318
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319 ch.command = NGX_CMD_OPEN_CHANNEL;
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320
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321 while (n--) {
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322 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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323 "worker process", type);
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324
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325 ch.pid = ngx_processes[ngx_process_slot].pid;
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326 ch.slot = ngx_process_slot;
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327 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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328
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329 for (i = 0; i < ngx_last_process; i++) {
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330
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331 if (i == ngx_process_slot
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332 || ngx_processes[i].pid == -1
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333 || ngx_processes[i].channel[0] == -1)
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334 {
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335 continue;
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336 }
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337
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338 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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10
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339 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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340 ch.slot, ch.pid, ch.fd,
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341 i, ngx_processes[i].pid,
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342 ngx_processes[i].channel[0]);
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0
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343
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344 /* TODO: NGX_AGAIN */
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345
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346 ngx_write_channel(ngx_processes[i].channel[0],
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347 &ch, sizeof(ngx_channel_t), cycle->log);
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348 }
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349 }
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350 }
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351
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352
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50
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353 static void
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354 ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
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16
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355 {
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50
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356 #if 0
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357 ngx_int_t i;
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358 ngx_channel_t ch;
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16
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359
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26
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360 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start garbage collector");
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16
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361
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362 ch.command = NGX_CMD_OPEN_CHANNEL;
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363
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364 ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
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365 "garbage collector", type);
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366
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367 ch.pid = ngx_processes[ngx_process_slot].pid;
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368 ch.slot = ngx_process_slot;
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369 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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370
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371 for (i = 0; i < ngx_last_process; i++) {
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372
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373 if (i == ngx_process_slot
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374 || ngx_processes[i].pid == -1
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375 || ngx_processes[i].channel[0] == -1)
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376 {
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377 continue;
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378 }
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379
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380 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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381 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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382 ch.slot, ch.pid, ch.fd,
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383 i, ngx_processes[i].pid,
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|
|
384 ngx_processes[i].channel[0]);
|
|
|
385
|
|
|
386 /* TODO: NGX_AGAIN */
|
|
|
387
|
|
|
388 ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
389 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
390 }
|
|
50
|
391 #endif
|
|
16
|
392 }
|
|
|
393
|
|
|
394
|
|
50
|
395 static void
|
|
|
396 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
0
|
397 {
|
|
|
398 ngx_int_t i;
|
|
|
399 ngx_err_t err;
|
|
|
400 ngx_channel_t ch;
|
|
|
401
|
|
|
402 switch (signo) {
|
|
|
403
|
|
|
404 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
|
|
|
405 ch.command = NGX_CMD_QUIT;
|
|
|
406 break;
|
|
|
407
|
|
|
408 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
|
|
|
409 ch.command = NGX_CMD_TERMINATE;
|
|
|
410 break;
|
|
|
411
|
|
|
412 case ngx_signal_value(NGX_REOPEN_SIGNAL):
|
|
|
413 ch.command = NGX_CMD_REOPEN;
|
|
|
414 break;
|
|
|
415
|
|
|
416 default:
|
|
|
417 ch.command = 0;
|
|
|
418 }
|
|
|
419
|
|
|
420 ch.fd = -1;
|
|
|
421
|
|
|
422
|
|
|
423 for (i = 0; i < ngx_last_process; i++) {
|
|
|
424
|
|
|
425 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
426 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
427 i,
|
|
|
428 ngx_processes[i].pid,
|
|
|
429 ngx_processes[i].exiting,
|
|
|
430 ngx_processes[i].exited,
|
|
|
431 ngx_processes[i].detached,
|
|
|
432 ngx_processes[i].respawn,
|
|
|
433 ngx_processes[i].just_respawn);
|
|
|
434
|
|
|
435 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) {
|
|
|
436 continue;
|
|
|
437 }
|
|
|
438
|
|
|
439 if (ngx_processes[i].just_respawn) {
|
|
|
440 ngx_processes[i].just_respawn = 0;
|
|
|
441 continue;
|
|
|
442 }
|
|
|
443
|
|
|
444 if (ngx_processes[i].exiting
|
|
|
445 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
446 {
|
|
|
447 continue;
|
|
|
448 }
|
|
|
449
|
|
|
450 if (ch.command) {
|
|
|
451 if (ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
452 &ch, sizeof(ngx_channel_t), cycle->log) == NGX_OK)
|
|
|
453 {
|
|
|
454 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
455 ngx_processes[i].exiting = 1;
|
|
|
456 }
|
|
|
457
|
|
|
458 continue;
|
|
|
459 }
|
|
|
460 }
|
|
|
461
|
|
|
462 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
463 "kill (%P, %d)" , ngx_processes[i].pid, signo);
|
|
0
|
464
|
|
|
465 if (kill(ngx_processes[i].pid, signo) == -1) {
|
|
|
466 err = ngx_errno;
|
|
|
467 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
10
|
468 "kill(%P, %d) failed",
|
|
0
|
469 ngx_processes[i].pid, signo);
|
|
|
470
|
|
|
471 if (err == NGX_ESRCH) {
|
|
|
472 ngx_processes[i].exited = 1;
|
|
|
473 ngx_processes[i].exiting = 0;
|
|
|
474 ngx_reap = 1;
|
|
|
475 }
|
|
|
476
|
|
|
477 continue;
|
|
|
478 }
|
|
|
479
|
|
|
480 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
481 ngx_processes[i].exiting = 1;
|
|
|
482 }
|
|
|
483 }
|
|
|
484 }
|
|
|
485
|
|
|
486
|
|
50
|
487 static ngx_uint_t
|
|
|
488 ngx_reap_childs(ngx_cycle_t *cycle)
|
|
0
|
489 {
|
|
92
|
490 ngx_int_t i, n;
|
|
|
491 ngx_uint_t live;
|
|
|
492 ngx_channel_t ch;
|
|
|
493 ngx_core_conf_t *ccf;
|
|
0
|
494
|
|
|
495 ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
496 ch.fd = -1;
|
|
|
497
|
|
|
498 live = 0;
|
|
|
499 for (i = 0; i < ngx_last_process; i++) {
|
|
|
500
|
|
|
501 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
502 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
503 i,
|
|
|
504 ngx_processes[i].pid,
|
|
|
505 ngx_processes[i].exiting,
|
|
|
506 ngx_processes[i].exited,
|
|
|
507 ngx_processes[i].detached,
|
|
|
508 ngx_processes[i].respawn,
|
|
|
509 ngx_processes[i].just_respawn);
|
|
|
510
|
|
|
511 if (ngx_processes[i].pid == -1) {
|
|
|
512 continue;
|
|
|
513 }
|
|
|
514
|
|
|
515 if (ngx_processes[i].exited) {
|
|
|
516
|
|
|
517 if (!ngx_processes[i].detached) {
|
|
|
518 ngx_close_channel(ngx_processes[i].channel, cycle->log);
|
|
|
519
|
|
|
520 ngx_processes[i].channel[0] = -1;
|
|
|
521 ngx_processes[i].channel[1] = -1;
|
|
|
522
|
|
|
523 ch.pid = ngx_processes[i].pid;
|
|
|
524 ch.slot = i;
|
|
|
525
|
|
|
526 for (n = 0; n < ngx_last_process; n++) {
|
|
|
527 if (ngx_processes[n].exited
|
|
|
528 || ngx_processes[n].pid == -1
|
|
|
529 || ngx_processes[n].channel[0] == -1)
|
|
|
530 {
|
|
|
531 continue;
|
|
|
532 }
|
|
|
533
|
|
|
534 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
535 "pass close channel s:%i pid:%P to:%P",
|
|
|
536 ch.slot, ch.pid, ngx_processes[n].pid);
|
|
0
|
537
|
|
|
538 /* TODO: NGX_AGAIN */
|
|
|
539
|
|
|
540 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
541 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
542 }
|
|
|
543 }
|
|
|
544
|
|
|
545 if (ngx_processes[i].respawn
|
|
|
546 && !ngx_processes[i].exiting
|
|
|
547 && !ngx_terminate
|
|
|
548 && !ngx_quit)
|
|
|
549 {
|
|
|
550 if (ngx_spawn_process(cycle, ngx_processes[i].proc,
|
|
|
551 ngx_processes[i].data,
|
|
|
552 ngx_processes[i].name, i)
|
|
92
|
553 == NGX_INVALID_PID)
|
|
0
|
554 {
|
|
|
555 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
556 "can not respawn %s", ngx_processes[i].name);
|
|
|
557 continue;
|
|
|
558 }
|
|
|
559
|
|
22
|
560
|
|
|
561 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
562 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
563 ch.slot = ngx_process_slot;
|
|
|
564 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
565
|
|
|
566 for (n = 0; n < ngx_last_process; n++) {
|
|
|
567
|
|
|
568 if (n == ngx_process_slot
|
|
|
569 || ngx_processes[n].pid == -1
|
|
|
570 || ngx_processes[n].channel[0] == -1)
|
|
|
571 {
|
|
|
572 continue;
|
|
|
573 }
|
|
|
574
|
|
|
575 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
576 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
577 ch.slot, ch.pid, ch.fd,
|
|
|
578 n, ngx_processes[n].pid,
|
|
|
579 ngx_processes[n].channel[0]);
|
|
|
580
|
|
|
581 /* TODO: NGX_AGAIN */
|
|
|
582
|
|
|
583 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
584 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
585 }
|
|
|
586
|
|
0
|
587 live = 1;
|
|
|
588
|
|
|
589 continue;
|
|
|
590 }
|
|
|
591
|
|
|
592 if (ngx_processes[i].pid == ngx_new_binary) {
|
|
92
|
593
|
|
|
594 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
|
|
|
595 ngx_core_module);
|
|
|
596
|
|
|
597 if (ngx_rename_file((char *) ccf->oldpid.data,
|
|
|
598 (char *) ccf->pid.data)
|
|
|
599 != NGX_OK)
|
|
|
600 {
|
|
|
601 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
602 ngx_rename_file_n " %s back to %s failed "
|
|
|
603 "after the new binary process \"%s\" exited",
|
|
|
604 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]);
|
|
|
605 }
|
|
|
606
|
|
0
|
607 ngx_new_binary = 0;
|
|
|
608 if (ngx_noaccepting) {
|
|
|
609 ngx_restart = 1;
|
|
|
610 ngx_noaccepting = 0;
|
|
|
611 }
|
|
|
612 }
|
|
|
613
|
|
|
614 if (i == ngx_last_process - 1) {
|
|
|
615 ngx_last_process--;
|
|
|
616
|
|
|
617 } else {
|
|
|
618 ngx_processes[i].pid = -1;
|
|
|
619 }
|
|
|
620
|
|
|
621 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) {
|
|
|
622 live = 1;
|
|
|
623 }
|
|
|
624 }
|
|
|
625
|
|
|
626 return live;
|
|
|
627 }
|
|
|
628
|
|
|
629
|
|
50
|
630 static void
|
|
|
631 ngx_master_exit(ngx_cycle_t *cycle)
|
|
0
|
632 {
|
|
120
|
633 ngx_uint_t i;
|
|
|
634
|
|
0
|
635 ngx_delete_pidfile(cycle);
|
|
|
636
|
|
26
|
637 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit");
|
|
0
|
638
|
|
120
|
639 for (i = 0; ngx_modules[i]; i++) {
|
|
|
640 if (ngx_modules[i]->exit_master) {
|
|
|
641 ngx_modules[i]->exit_master(cycle);
|
|
|
642 }
|
|
|
643 }
|
|
|
644
|
|
54
|
645 /*
|
|
|
646 * we do not destroy cycle->pool here because a signal handler
|
|
|
647 * that uses cycle->log can be called at this point
|
|
|
648 */
|
|
|
649
|
|
|
650 #if 0
|
|
0
|
651 ngx_destroy_pool(cycle->pool);
|
|
54
|
652 #endif
|
|
0
|
653
|
|
|
654 exit(0);
|
|
|
655 }
|
|
|
656
|
|
|
657
|
|
50
|
658 static void
|
|
|
659 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
0
|
660 {
|
|
112
|
661 ngx_uint_t i;
|
|
|
662 ngx_connection_t *c;
|
|
50
|
663 #if (NGX_THREADS)
|
|
18
|
664 ngx_int_t n;
|
|
|
665 ngx_err_t err;
|
|
|
666 ngx_core_conf_t *ccf;
|
|
50
|
667 #endif
|
|
18
|
668
|
|
22
|
669 ngx_worker_process_init(cycle, 1);
|
|
0
|
670
|
|
|
671 ngx_setproctitle("worker process");
|
|
|
672
|
|
|
673 #if (NGX_THREADS)
|
|
|
674
|
|
18
|
675 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
676
|
|
0
|
677 if (ngx_threads_n) {
|
|
|
678 if (ngx_init_threads(ngx_threads_n,
|
|
|
679 ccf->thread_stack_size, cycle) == NGX_ERROR)
|
|
|
680 {
|
|
|
681 /* fatal */
|
|
|
682 exit(2);
|
|
|
683 }
|
|
|
684
|
|
|
685 err = ngx_thread_key_create(&ngx_core_tls_key);
|
|
|
686 if (err != 0) {
|
|
|
687 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
688 ngx_thread_key_create_n " failed");
|
|
|
689 /* fatal */
|
|
|
690 exit(2);
|
|
|
691 }
|
|
|
692
|
|
|
693 for (n = 0; n < ngx_threads_n; n++) {
|
|
|
694
|
|
50
|
695 ngx_threads[n].cv = ngx_cond_init(cycle->log);
|
|
|
696
|
|
|
697 if (ngx_threads[n].cv == NULL) {
|
|
0
|
698 /* fatal */
|
|
|
699 exit(2);
|
|
|
700 }
|
|
|
701
|
|
|
702 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
|
|
|
703 ngx_worker_thread_cycle,
|
|
|
704 (void *) &ngx_threads[n], cycle->log) != 0)
|
|
|
705 {
|
|
|
706 /* fatal */
|
|
|
707 exit(2);
|
|
|
708 }
|
|
|
709 }
|
|
|
710 }
|
|
|
711
|
|
|
712 #endif
|
|
|
713
|
|
|
714 for ( ;; ) {
|
|
|
715 if (ngx_exiting
|
|
108
|
716 && ngx_event_timer_rbtree.root == ngx_event_timer_rbtree.sentinel)
|
|
0
|
717 {
|
|
26
|
718 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
719
|
|
|
720
|
|
|
721 #if (NGX_THREADS)
|
|
|
722 ngx_terminate = 1;
|
|
|
723
|
|
|
724 ngx_wakeup_worker_threads(cycle);
|
|
|
725 #endif
|
|
|
726
|
|
26
|
727 if (ngx_debug_quit) {
|
|
|
728 ngx_debug_point();
|
|
|
729 }
|
|
|
730
|
|
0
|
731 /*
|
|
|
732 * we do not destroy cycle->pool here because a signal handler
|
|
|
733 * that uses cycle->log can be called at this point
|
|
|
734 */
|
|
54
|
735
|
|
|
736 #if 0
|
|
|
737 ngx_destroy_pool(cycle->pool);
|
|
|
738 #endif
|
|
0
|
739 exit(0);
|
|
|
740 }
|
|
|
741
|
|
|
742 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
743
|
|
112
|
744 ngx_process_events_and_timers(cycle);
|
|
0
|
745
|
|
|
746 if (ngx_terminate) {
|
|
26
|
747 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
748
|
|
|
749 #if (NGX_THREADS)
|
|
|
750 ngx_wakeup_worker_threads(cycle);
|
|
|
751 #endif
|
|
|
752
|
|
120
|
753 for (i = 0; ngx_modules[i]; i++) {
|
|
|
754 if (ngx_modules[i]->exit_process) {
|
|
|
755 ngx_modules[i]->exit_process(cycle);
|
|
|
756 }
|
|
|
757 }
|
|
|
758
|
|
112
|
759 c = cycle->connections;
|
|
|
760 for (i = 0; i < cycle->connection_n; i++) {
|
|
|
761 if (c[i].fd != -1
|
|
|
762 && c[i].read
|
|
|
763 && !c[i].read->accept
|
|
|
764 && !c[i].read->channel)
|
|
|
765 {
|
|
|
766 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
767 "open socket #%d left in %ui connection, "
|
|
|
768 "aborting",
|
|
|
769 c[i].fd, i);
|
|
|
770 ngx_abort();
|
|
|
771 }
|
|
|
772 }
|
|
|
773
|
|
0
|
774 /*
|
|
|
775 * we do not destroy cycle->pool here because a signal handler
|
|
|
776 * that uses cycle->log can be called at this point
|
|
|
777 */
|
|
54
|
778
|
|
|
779 #if 0
|
|
|
780 ngx_destroy_pool(cycle->pool);
|
|
|
781 #endif
|
|
|
782
|
|
0
|
783 exit(0);
|
|
|
784 }
|
|
|
785
|
|
|
786 if (ngx_quit) {
|
|
|
787 ngx_quit = 0;
|
|
26
|
788 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
789 "gracefully shutting down");
|
|
|
790 ngx_setproctitle("worker process is shutting down");
|
|
|
791
|
|
|
792 if (!ngx_exiting) {
|
|
|
793 ngx_close_listening_sockets(cycle);
|
|
|
794 ngx_exiting = 1;
|
|
|
795 }
|
|
|
796 }
|
|
|
797
|
|
|
798 if (ngx_reopen) {
|
|
|
799 ngx_reopen = 0;
|
|
26
|
800 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
0
|
801 ngx_reopen_files(cycle, -1);
|
|
|
802 }
|
|
|
803 }
|
|
|
804 }
|
|
|
805
|
|
|
806
|
|
50
|
807 static void
|
|
|
808 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_uint_t priority)
|
|
16
|
809 {
|
|
|
810 sigset_t set;
|
|
|
811 ngx_int_t n;
|
|
|
812 ngx_uint_t i;
|
|
92
|
813 struct rlimit rlmt;
|
|
16
|
814 ngx_core_conf_t *ccf;
|
|
|
815 ngx_listening_t *ls;
|
|
|
816
|
|
|
817 ngx_process = NGX_PROCESS_WORKER;
|
|
|
818
|
|
|
819 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
820
|
|
|
821 if (geteuid() == 0) {
|
|
22
|
822 if (priority && ccf->priority != 0) {
|
|
|
823 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) {
|
|
|
824 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
825 "setpriority(%d) failed", ccf->priority);
|
|
|
826 }
|
|
|
827 }
|
|
|
828
|
|
92
|
829 if (ccf->rlimit_nofile != NGX_CONF_UNSET) {
|
|
|
830 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile;
|
|
|
831 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile;
|
|
|
832
|
|
|
833 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
|
|
|
834 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
835 "setrlimit(RLIMIT_NOFILE, %i) failed",
|
|
|
836 ccf->rlimit_nofile);
|
|
|
837 }
|
|
|
838 }
|
|
|
839
|
|
|
840 #ifdef RLIMIT_SIGPENDING
|
|
|
841 if (ccf->rlimit_sigpending != NGX_CONF_UNSET) {
|
|
|
842 rlmt.rlim_cur = (rlim_t) ccf->rlimit_sigpending;
|
|
|
843 rlmt.rlim_max = (rlim_t) ccf->rlimit_sigpending;
|
|
|
844
|
|
|
845 if (setrlimit(RLIMIT_SIGPENDING, &rlmt) == -1) {
|
|
|
846 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
847 "setrlimit(RLIMIT_SIGPENDING, %i) failed",
|
|
|
848 ccf->rlimit_sigpending);
|
|
|
849 }
|
|
|
850 }
|
|
|
851 #endif
|
|
|
852
|
|
16
|
853 if (setgid(ccf->group) == -1) {
|
|
|
854 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
855 "setgid(%d) failed", ccf->group);
|
|
|
856 /* fatal */
|
|
|
857 exit(2);
|
|
|
858 }
|
|
|
859
|
|
22
|
860 if (initgroups(ccf->username, ccf->group) == -1) {
|
|
|
861 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
862 "initgroups(%s, %d) failed",
|
|
|
863 ccf->username, ccf->group);
|
|
|
864 }
|
|
|
865
|
|
16
|
866 if (setuid(ccf->user) == -1) {
|
|
|
867 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
868 "setuid(%d) failed", ccf->user);
|
|
|
869 /* fatal */
|
|
|
870 exit(2);
|
|
|
871 }
|
|
|
872 }
|
|
|
873
|
|
|
874 #if (NGX_HAVE_PR_SET_DUMPABLE)
|
|
|
875
|
|
|
876 /* allow coredump after setuid() in Linux 2.4.x */
|
|
|
877
|
|
|
878 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
|
|
|
879 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
880 "prctl(PR_SET_DUMPABLE) failed");
|
|
|
881 }
|
|
|
882
|
|
|
883 #endif
|
|
|
884
|
|
70
|
885 if (ccf->working_directory.len) {
|
|
72
|
886 if (chdir((char *) ccf->working_directory.data) == -1) {
|
|
70
|
887 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
888 "chdir(\"%s\") failed", ccf->working_directory.data);
|
|
|
889 /* fatal */
|
|
|
890 exit(2);
|
|
|
891 }
|
|
|
892 }
|
|
|
893
|
|
16
|
894 sigemptyset(&set);
|
|
|
895
|
|
|
896 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
897 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
898 "sigprocmask() failed");
|
|
|
899 }
|
|
|
900
|
|
|
901 ngx_init_temp_number();
|
|
|
902
|
|
|
903 /*
|
|
|
904 * disable deleting previous events for the listening sockets because
|
|
|
905 * in the worker processes there are no events at all at this point
|
|
|
906 */
|
|
|
907 ls = cycle->listening.elts;
|
|
|
908 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
92
|
909 ls[i].previous = NULL;
|
|
16
|
910 }
|
|
|
911
|
|
|
912 for (i = 0; ngx_modules[i]; i++) {
|
|
|
913 if (ngx_modules[i]->init_process) {
|
|
|
914 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
915 /* fatal */
|
|
|
916 exit(2);
|
|
|
917 }
|
|
|
918 }
|
|
|
919 }
|
|
|
920
|
|
|
921 for (n = 0; n < ngx_last_process; n++) {
|
|
|
922
|
|
|
923 if (ngx_processes[n].pid == -1) {
|
|
|
924 continue;
|
|
|
925 }
|
|
|
926
|
|
|
927 if (n == ngx_process_slot) {
|
|
|
928 continue;
|
|
|
929 }
|
|
|
930
|
|
|
931 if (ngx_processes[n].channel[1] == -1) {
|
|
|
932 continue;
|
|
|
933 }
|
|
|
934
|
|
|
935 if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
936 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
937 "close() channel failed");
|
|
|
938 }
|
|
|
939 }
|
|
|
940
|
|
|
941 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
|
|
|
942 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
943 "close() channel failed");
|
|
|
944 }
|
|
|
945
|
|
|
946 #if 0
|
|
|
947 ngx_last_process = 0;
|
|
|
948 #endif
|
|
|
949
|
|
|
950 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT,
|
|
84
|
951 ngx_channel_handler) == NGX_ERROR)
|
|
16
|
952 {
|
|
|
953 /* fatal */
|
|
|
954 exit(2);
|
|
|
955 }
|
|
|
956 }
|
|
|
957
|
|
|
958
|
|
50
|
959 static void
|
|
|
960 ngx_channel_handler(ngx_event_t *ev)
|
|
0
|
961 {
|
|
|
962 ngx_int_t n;
|
|
92
|
963 ngx_socket_t fd;
|
|
0
|
964 ngx_channel_t ch;
|
|
|
965 ngx_connection_t *c;
|
|
|
966
|
|
16
|
967 if (ev->timedout) {
|
|
|
968 ev->timedout = 0;
|
|
|
969 return;
|
|
|
970 }
|
|
|
971
|
|
0
|
972 c = ev->data;
|
|
|
973
|
|
|
974 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
975
|
|
|
976 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
977
|
|
10
|
978 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n);
|
|
0
|
979
|
|
10
|
980 if (n == NGX_ERROR) {
|
|
92
|
981
|
|
|
982 ngx_free_connection(c);
|
|
|
983
|
|
|
984 fd = c->fd;
|
|
|
985 c->fd = (ngx_socket_t) -1;
|
|
|
986
|
|
|
987 if (close(fd) == -1) {
|
|
10
|
988 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
989 "close() channel failed");
|
|
|
990 }
|
|
|
991
|
|
|
992 return;
|
|
|
993 }
|
|
|
994
|
|
|
995 if (n == NGX_AGAIN) {
|
|
0
|
996 return;
|
|
|
997 }
|
|
|
998
|
|
|
999 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
1000 "channel command: %d", ch.command);
|
|
|
1001
|
|
|
1002 switch (ch.command) {
|
|
|
1003
|
|
|
1004 case NGX_CMD_QUIT:
|
|
|
1005 ngx_quit = 1;
|
|
|
1006 break;
|
|
|
1007
|
|
|
1008 case NGX_CMD_TERMINATE:
|
|
|
1009 ngx_terminate = 1;
|
|
|
1010 break;
|
|
|
1011
|
|
|
1012 case NGX_CMD_REOPEN:
|
|
|
1013 ngx_reopen = 1;
|
|
|
1014 break;
|
|
|
1015
|
|
|
1016 case NGX_CMD_OPEN_CHANNEL:
|
|
|
1017
|
|
|
1018 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1019 "get channel s:%i pid:%P fd:%d", ch.slot, ch.pid, ch.fd);
|
|
0
|
1020
|
|
|
1021 ngx_processes[ch.slot].pid = ch.pid;
|
|
|
1022 ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
1023 break;
|
|
|
1024
|
|
|
1025 case NGX_CMD_CLOSE_CHANNEL:
|
|
|
1026
|
|
|
1027 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1028 "close channel s:%i pid:%P our:%P fd:%d",
|
|
0
|
1029 ch.slot, ch.pid, ngx_processes[ch.slot].pid,
|
|
|
1030 ngx_processes[ch.slot].channel[0]);
|
|
|
1031
|
|
|
1032 if (close(ngx_processes[ch.slot].channel[0]) == -1) {
|
|
16
|
1033 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
1034 "close() channel failed");
|
|
0
|
1035 }
|
|
|
1036
|
|
|
1037 ngx_processes[ch.slot].channel[0] = -1;
|
|
|
1038 break;
|
|
|
1039 }
|
|
|
1040 }
|
|
|
1041
|
|
|
1042
|
|
|
1043 #if (NGX_THREADS)
|
|
|
1044
|
|
50
|
1045 static void
|
|
|
1046 ngx_wakeup_worker_threads(ngx_cycle_t *cycle)
|
|
0
|
1047 {
|
|
|
1048 ngx_int_t i;
|
|
|
1049 ngx_uint_t live;
|
|
|
1050
|
|
|
1051 for ( ;; ) {
|
|
|
1052
|
|
|
1053 live = 0;
|
|
|
1054
|
|
|
1055 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
1056 if (ngx_threads[i].state < NGX_THREAD_EXIT) {
|
|
18
|
1057 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) {
|
|
|
1058 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
0
|
1059
|
|
|
1060 } else {
|
|
|
1061 live = 1;
|
|
|
1062 }
|
|
|
1063 }
|
|
|
1064
|
|
|
1065 if (ngx_threads[i].state == NGX_THREAD_EXIT) {
|
|
|
1066 ngx_thread_join(ngx_threads[i].tid, NULL);
|
|
|
1067 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
|
1068 }
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 if (live == 0) {
|
|
|
1072 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
1073 "all worker threads are joined");
|
|
|
1074
|
|
|
1075 /* STUB */
|
|
|
1076 ngx_done_events(cycle);
|
|
|
1077 ngx_mutex_destroy(ngx_event_timer_mutex);
|
|
|
1078 ngx_mutex_destroy(ngx_posted_events_mutex);
|
|
|
1079
|
|
|
1080 return;
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 ngx_sched_yield();
|
|
|
1084 }
|
|
|
1085 }
|
|
|
1086
|
|
|
1087
|
|
112
|
1088 static ngx_thread_value_t
|
|
50
|
1089 ngx_worker_thread_cycle(void *data)
|
|
0
|
1090 {
|
|
|
1091 ngx_thread_t *thr = data;
|
|
|
1092
|
|
|
1093 sigset_t set;
|
|
|
1094 ngx_err_t err;
|
|
|
1095 ngx_core_tls_t *tls;
|
|
|
1096 ngx_cycle_t *cycle;
|
|
|
1097
|
|
|
1098 cycle = (ngx_cycle_t *) ngx_cycle;
|
|
|
1099
|
|
|
1100 sigemptyset(&set);
|
|
|
1101 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
|
|
|
1102 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
|
|
|
1103 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
|
|
|
1104
|
|
|
1105 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
1106 if (err) {
|
|
|
1107 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1108 ngx_thread_sigmask_n " failed");
|
|
112
|
1109 return (ngx_thread_value_t) 1;
|
|
0
|
1110 }
|
|
|
1111
|
|
|
1112 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1113 "thread " NGX_TID_T_FMT " started", ngx_thread_self());
|
|
0
|
1114
|
|
|
1115 ngx_setthrtitle("worker thread");
|
|
|
1116
|
|
50
|
1117 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log);
|
|
|
1118 if (tls == NULL) {
|
|
112
|
1119 return (ngx_thread_value_t) 1;
|
|
0
|
1120 }
|
|
|
1121
|
|
|
1122 err = ngx_thread_set_tls(ngx_core_tls_key, tls);
|
|
|
1123 if (err != 0) {
|
|
|
1124 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1125 ngx_thread_set_tls_n " failed");
|
|
112
|
1126 return (ngx_thread_value_t) 1;
|
|
0
|
1127 }
|
|
|
1128
|
|
112
|
1129 ngx_mutex_lock(ngx_posted_events_mutex);
|
|
0
|
1130
|
|
|
1131 for ( ;; ) {
|
|
|
1132 thr->state = NGX_THREAD_FREE;
|
|
|
1133
|
|
|
1134 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) {
|
|
112
|
1135 return (ngx_thread_value_t) 1;
|
|
0
|
1136 }
|
|
|
1137
|
|
|
1138 if (ngx_terminate) {
|
|
|
1139 thr->state = NGX_THREAD_EXIT;
|
|
|
1140
|
|
|
1141 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
1142
|
|
|
1143 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1144 "thread " NGX_TID_T_FMT " is done",
|
|
|
1145 ngx_thread_self());
|
|
0
|
1146
|
|
112
|
1147 return (ngx_thread_value_t) 0;
|
|
0
|
1148 }
|
|
|
1149
|
|
|
1150 thr->state = NGX_THREAD_BUSY;
|
|
|
1151
|
|
|
1152 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
112
|
1153 return (ngx_thread_value_t) 1;
|
|
0
|
1154 }
|
|
|
1155
|
|
|
1156 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
112
|
1157 return (ngx_thread_value_t) 1;
|
|
0
|
1158 }
|
|
|
1159
|
|
|
1160 if (ngx_process_changes) {
|
|
|
1161 if (ngx_process_changes(cycle, 1) == NGX_ERROR) {
|
|
112
|
1162 return (ngx_thread_value_t) 1;
|
|
0
|
1163 }
|
|
|
1164 }
|
|
|
1165 }
|
|
|
1166 }
|
|
|
1167
|
|
|
1168 #endif
|
|
16
|
1169
|
|
|
1170
|
|
50
|
1171 #if 0
|
|
|
1172
|
|
|
1173 static void
|
|
|
1174 ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
|
|
16
|
1175 {
|
|
|
1176 ngx_uint_t i;
|
|
|
1177 ngx_gc_t ctx;
|
|
|
1178 ngx_path_t **path;
|
|
|
1179 ngx_event_t *ev;
|
|
|
1180
|
|
22
|
1181 ngx_worker_process_init(cycle, 0);
|
|
16
|
1182
|
|
92
|
1183 ev = &cycle->read_events0[ngx_channel];
|
|
16
|
1184
|
|
|
1185 ngx_accept_mutex = NULL;
|
|
|
1186
|
|
|
1187 ngx_setproctitle("garbage collector");
|
|
|
1188
|
|
|
1189 #if 0
|
|
|
1190 ngx_add_timer(ev, 60 * 1000);
|
|
|
1191 #endif
|
|
|
1192
|
|
|
1193 for ( ;; ) {
|
|
|
1194
|
|
|
1195 if (ngx_terminate || ngx_quit) {
|
|
26
|
1196 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
16
|
1197 exit(0);
|
|
|
1198 }
|
|
|
1199
|
|
|
1200 if (ngx_reopen) {
|
|
|
1201 ngx_reopen = 0;
|
|
26
|
1202 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
16
|
1203 ngx_reopen_files(cycle, -1);
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 path = cycle->pathes.elts;
|
|
|
1207 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
1208 ctx.path = path[i];
|
|
|
1209 ctx.log = cycle->log;
|
|
28
|
1210 ctx.handler = path[i]->cleaner;
|
|
16
|
1211
|
|
|
1212 ngx_collect_garbage(&ctx, &path[i]->name, 0);
|
|
|
1213 }
|
|
|
1214
|
|
|
1215 ngx_add_timer(ev, 60 * 60 * 1000);
|
|
|
1216
|
|
112
|
1217 ngx_process_events_and_timers(cycle);
|
|
16
|
1218 }
|
|
|
1219 }
|
|
50
|
1220
|
|
|
1221 #endif
|
