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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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122
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18 static void ngx_master_process_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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122
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21 static void ngx_worker_process_exit(ngx_cycle_t *cycle);
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0
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22 static void ngx_channel_handler(ngx_event_t *ev);
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23 #if (NGX_THREADS)
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24 static void ngx_wakeup_worker_threads(ngx_cycle_t *cycle);
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112
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25 static ngx_thread_value_t ngx_worker_thread_cycle(void *data);
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0
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26 #endif
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50
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27 #if 0
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16
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28 static void ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data);
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50
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29 #endif
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0
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30
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31
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32 ngx_uint_t ngx_process;
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33 ngx_pid_t ngx_pid;
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34 ngx_uint_t ngx_threaded;
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35
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36 sig_atomic_t ngx_reap;
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37 sig_atomic_t ngx_sigio;
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38 sig_atomic_t ngx_terminate;
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39 sig_atomic_t ngx_quit;
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26
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40 sig_atomic_t ngx_debug_quit;
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0
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41 ngx_uint_t ngx_exiting;
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42 sig_atomic_t ngx_reconfigure;
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43 sig_atomic_t ngx_reopen;
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44
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45 sig_atomic_t ngx_change_binary;
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46 ngx_pid_t ngx_new_binary;
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47 ngx_uint_t ngx_inherited;
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48 ngx_uint_t ngx_daemonized;
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49
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50 sig_atomic_t ngx_noaccept;
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51 ngx_uint_t ngx_noaccepting;
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52 ngx_uint_t ngx_restart;
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53
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54
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55 #if (NGX_THREADS)
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56 volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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57 ngx_int_t ngx_threads_n;
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58 #endif
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59
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60
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126
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61 u_long cpu_affinity;
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62 static u_char master_process[] = "master process";
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0
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63
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64
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50
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65 void
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66 ngx_master_process_cycle(ngx_cycle_t *cycle)
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0
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67 {
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68 char *title;
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69 u_char *p;
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70 size_t size;
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71 ngx_int_t i;
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80
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72 ngx_uint_t n;
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0
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73 sigset_t set;
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74 struct itimerval itv;
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75 ngx_uint_t live;
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76 ngx_msec_t delay;
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80
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77 ngx_listening_t *ls;
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0
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78 ngx_core_conf_t *ccf;
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79
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80 sigemptyset(&set);
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81 sigaddset(&set, SIGCHLD);
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82 sigaddset(&set, SIGALRM);
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83 sigaddset(&set, SIGIO);
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84 sigaddset(&set, SIGINT);
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85 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
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86 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
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87 sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
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88 sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
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89 sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
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90 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
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91
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92 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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93 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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94 "sigprocmask() failed");
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95 }
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96
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97 sigemptyset(&set);
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98
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99
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100 size = sizeof(master_process);
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101
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2
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102 for (i = 0; i < ngx_argc; i++) {
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103 size += ngx_strlen(ngx_argv[i]) + 1;
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0
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104 }
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105
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106 title = ngx_palloc(cycle->pool, size);
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107
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108 p = ngx_cpymem(title, master_process, sizeof(master_process) - 1);
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2
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109 for (i = 0; i < ngx_argc; i++) {
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110 *p++ = ' ';
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2
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111 p = ngx_cpystrn(p, (u_char *) ngx_argv[i], size);
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112 }
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113
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114 ngx_setproctitle(title);
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115
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116
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117 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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118
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119 ngx_start_worker_processes(cycle, ccf->worker_processes,
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120 NGX_PROCESS_RESPAWN);
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16
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121 ngx_start_garbage_collector(cycle, NGX_PROCESS_RESPAWN);
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0
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122
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123 ngx_new_binary = 0;
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124 delay = 0;
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125 live = 1;
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126
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127 for ( ;; ) {
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128 if (delay) {
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129 delay *= 2;
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130
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131 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
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132 "temination cycle: %d", delay);
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133
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134 itv.it_interval.tv_sec = 0;
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135 itv.it_interval.tv_usec = 0;
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136 itv.it_value.tv_sec = delay / 1000;
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137 itv.it_value.tv_usec = (delay % 1000 ) * 1000;
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138
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139 if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
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140 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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141 "setitimer() failed");
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142 }
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143 }
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144
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145 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
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146
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147 sigsuspend(&set);
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148
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112
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149 ngx_time_update(0, 0);
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0
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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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122
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161 ngx_master_process_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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112
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278 ngx_process_events_and_timers(cycle);
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0
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279
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280 if (ngx_terminate || ngx_quit) {
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120
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281
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282 for (i = 0; ngx_modules[i]; i++) {
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283 if (ngx_modules[i]->exit_process) {
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284 ngx_modules[i]->exit_process(cycle);
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285 }
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286 }
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287
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122
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288 ngx_master_process_exit(cycle);
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0
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289 }
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290
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291 if (ngx_reconfigure) {
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292 ngx_reconfigure = 0;
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26
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293 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring");
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0
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294
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295 cycle = ngx_init_cycle(cycle);
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296 if (cycle == NULL) {
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297 cycle = (ngx_cycle_t *) ngx_cycle;
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298 continue;
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299 }
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300
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301 ngx_cycle = cycle;
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302 }
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303
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304 if (ngx_reopen) {
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305 ngx_reopen = 0;
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26
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306 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
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0
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307 ngx_reopen_files(cycle, (ngx_uid_t) -1);
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308 }
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309 }
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310 }
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311
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312
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50
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313 static void
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314 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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315 {
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126
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316 ngx_int_t i, s;
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106
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317 ngx_channel_t ch;
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0
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318
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26
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319 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes");
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0
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320
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321 ch.command = NGX_CMD_OPEN_CHANNEL;
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322
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126
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323 for (i = 0; i < n; i++) {
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324
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325 cpu_affinity = ngx_get_cpu_affinity(i);
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326
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0
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327 ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
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328 "worker process", type);
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329
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330 ch.pid = ngx_processes[ngx_process_slot].pid;
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331 ch.slot = ngx_process_slot;
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332 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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333
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126
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334 for (s = 0; s < ngx_last_process; s++) {
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0
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335
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126
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336 if (s == ngx_process_slot
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337 || ngx_processes[s].pid == -1
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338 || ngx_processes[s].channel[0] == -1)
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0
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339 {
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340 continue;
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341 }
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342
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343 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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10
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344 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
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345 ch.slot, ch.pid, ch.fd,
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126
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346 s, ngx_processes[s].pid,
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347 ngx_processes[s].channel[0]);
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0
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348
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349 /* TODO: NGX_AGAIN */
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350
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126
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351 ngx_write_channel(ngx_processes[s].channel[0],
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0
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352 &ch, sizeof(ngx_channel_t), cycle->log);
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353 }
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354 }
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355 }
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356
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357
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50
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358 static void
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359 ngx_start_garbage_collector(ngx_cycle_t *cycle, ngx_int_t type)
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16
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360 {
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50
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361 #if 0
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362 ngx_int_t i;
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363 ngx_channel_t ch;
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16
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364
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26
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365 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start garbage collector");
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16
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366
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367 ch.command = NGX_CMD_OPEN_CHANNEL;
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368
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369 ngx_spawn_process(cycle, ngx_garbage_collector_cycle, NULL,
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370 "garbage collector", type);
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371
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372 ch.pid = ngx_processes[ngx_process_slot].pid;
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373 ch.slot = ngx_process_slot;
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374 ch.fd = ngx_processes[ngx_process_slot].channel[0];
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375
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376 for (i = 0; i < ngx_last_process; i++) {
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377
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378 if (i == ngx_process_slot
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379 || ngx_processes[i].pid == -1
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380 || ngx_processes[i].channel[0] == -1)
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381 {
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|
|
382 continue;
|
|
|
383 }
|
|
|
384
|
|
|
385 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
386 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
387 ch.slot, ch.pid, ch.fd,
|
|
|
388 i, ngx_processes[i].pid,
|
|
|
389 ngx_processes[i].channel[0]);
|
|
|
390
|
|
|
391 /* TODO: NGX_AGAIN */
|
|
|
392
|
|
|
393 ngx_write_channel(ngx_processes[i].channel[0],
|
|
|
394 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
395 }
|
|
50
|
396 #endif
|
|
16
|
397 }
|
|
|
398
|
|
|
399
|
|
50
|
400 static void
|
|
|
401 ngx_signal_worker_processes(ngx_cycle_t *cycle, int signo)
|
|
0
|
402 {
|
|
|
403 ngx_int_t i;
|
|
|
404 ngx_err_t err;
|
|
|
405 ngx_channel_t ch;
|
|
|
406
|
|
|
407 switch (signo) {
|
|
|
408
|
|
|
409 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
|
|
|
410 ch.command = NGX_CMD_QUIT;
|
|
|
411 break;
|
|
|
412
|
|
|
413 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
|
|
|
414 ch.command = NGX_CMD_TERMINATE;
|
|
|
415 break;
|
|
|
416
|
|
|
417 case ngx_signal_value(NGX_REOPEN_SIGNAL):
|
|
|
418 ch.command = NGX_CMD_REOPEN;
|
|
|
419 break;
|
|
|
420
|
|
|
421 default:
|
|
|
422 ch.command = 0;
|
|
|
423 }
|
|
|
424
|
|
|
425 ch.fd = -1;
|
|
|
426
|
|
|
427
|
|
|
428 for (i = 0; i < ngx_last_process; i++) {
|
|
|
429
|
|
|
430 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
431 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
432 i,
|
|
|
433 ngx_processes[i].pid,
|
|
|
434 ngx_processes[i].exiting,
|
|
|
435 ngx_processes[i].exited,
|
|
|
436 ngx_processes[i].detached,
|
|
|
437 ngx_processes[i].respawn,
|
|
|
438 ngx_processes[i].just_respawn);
|
|
|
439
|
|
|
440 if (ngx_processes[i].detached || ngx_processes[i].pid == -1) {
|
|
|
441 continue;
|
|
|
442 }
|
|
|
443
|
|
|
444 if (ngx_processes[i].just_respawn) {
|
|
|
445 ngx_processes[i].just_respawn = 0;
|
|
|
446 continue;
|
|
|
447 }
|
|
|
448
|
|
|
449 if (ngx_processes[i].exiting
|
|
|
450 && signo == ngx_signal_value(NGX_SHUTDOWN_SIGNAL))
|
|
|
451 {
|
|
|
452 continue;
|
|
|
453 }
|
|
|
454
|
|
|
455 if (ch.command) {
|
|
|
456 if (ngx_write_channel(ngx_processes[i].channel[0],
|
|
290
|
457 &ch, sizeof(ngx_channel_t), cycle->log)
|
|
|
458 == NGX_OK)
|
|
0
|
459 {
|
|
|
460 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
461 ngx_processes[i].exiting = 1;
|
|
|
462 }
|
|
|
463
|
|
|
464 continue;
|
|
|
465 }
|
|
|
466 }
|
|
|
467
|
|
|
468 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
469 "kill (%P, %d)" , ngx_processes[i].pid, signo);
|
|
0
|
470
|
|
|
471 if (kill(ngx_processes[i].pid, signo) == -1) {
|
|
|
472 err = ngx_errno;
|
|
|
473 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
10
|
474 "kill(%P, %d) failed",
|
|
0
|
475 ngx_processes[i].pid, signo);
|
|
|
476
|
|
|
477 if (err == NGX_ESRCH) {
|
|
|
478 ngx_processes[i].exited = 1;
|
|
|
479 ngx_processes[i].exiting = 0;
|
|
|
480 ngx_reap = 1;
|
|
|
481 }
|
|
|
482
|
|
|
483 continue;
|
|
|
484 }
|
|
|
485
|
|
|
486 if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
|
|
|
487 ngx_processes[i].exiting = 1;
|
|
|
488 }
|
|
|
489 }
|
|
|
490 }
|
|
|
491
|
|
|
492
|
|
50
|
493 static ngx_uint_t
|
|
|
494 ngx_reap_childs(ngx_cycle_t *cycle)
|
|
0
|
495 {
|
|
92
|
496 ngx_int_t i, n;
|
|
|
497 ngx_uint_t live;
|
|
|
498 ngx_channel_t ch;
|
|
|
499 ngx_core_conf_t *ccf;
|
|
0
|
500
|
|
|
501 ch.command = NGX_CMD_CLOSE_CHANNEL;
|
|
|
502 ch.fd = -1;
|
|
|
503
|
|
|
504 live = 0;
|
|
|
505 for (i = 0; i < ngx_last_process; i++) {
|
|
|
506
|
|
|
507 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
508 "child: %d %P e:%d t:%d d:%d r:%d j:%d",
|
|
0
|
509 i,
|
|
|
510 ngx_processes[i].pid,
|
|
|
511 ngx_processes[i].exiting,
|
|
|
512 ngx_processes[i].exited,
|
|
|
513 ngx_processes[i].detached,
|
|
|
514 ngx_processes[i].respawn,
|
|
|
515 ngx_processes[i].just_respawn);
|
|
|
516
|
|
|
517 if (ngx_processes[i].pid == -1) {
|
|
|
518 continue;
|
|
|
519 }
|
|
|
520
|
|
|
521 if (ngx_processes[i].exited) {
|
|
|
522
|
|
|
523 if (!ngx_processes[i].detached) {
|
|
|
524 ngx_close_channel(ngx_processes[i].channel, cycle->log);
|
|
|
525
|
|
|
526 ngx_processes[i].channel[0] = -1;
|
|
|
527 ngx_processes[i].channel[1] = -1;
|
|
|
528
|
|
|
529 ch.pid = ngx_processes[i].pid;
|
|
|
530 ch.slot = i;
|
|
|
531
|
|
|
532 for (n = 0; n < ngx_last_process; n++) {
|
|
|
533 if (ngx_processes[n].exited
|
|
|
534 || ngx_processes[n].pid == -1
|
|
|
535 || ngx_processes[n].channel[0] == -1)
|
|
|
536 {
|
|
|
537 continue;
|
|
|
538 }
|
|
|
539
|
|
|
540 ngx_log_debug3(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
541 "pass close channel s:%i pid:%P to:%P",
|
|
|
542 ch.slot, ch.pid, ngx_processes[n].pid);
|
|
0
|
543
|
|
|
544 /* TODO: NGX_AGAIN */
|
|
|
545
|
|
|
546 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
547 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
548 }
|
|
|
549 }
|
|
|
550
|
|
|
551 if (ngx_processes[i].respawn
|
|
|
552 && !ngx_processes[i].exiting
|
|
|
553 && !ngx_terminate
|
|
|
554 && !ngx_quit)
|
|
|
555 {
|
|
|
556 if (ngx_spawn_process(cycle, ngx_processes[i].proc,
|
|
|
557 ngx_processes[i].data,
|
|
|
558 ngx_processes[i].name, i)
|
|
92
|
559 == NGX_INVALID_PID)
|
|
0
|
560 {
|
|
|
561 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
562 "can not respawn %s", ngx_processes[i].name);
|
|
|
563 continue;
|
|
|
564 }
|
|
|
565
|
|
22
|
566
|
|
|
567 ch.command = NGX_CMD_OPEN_CHANNEL;
|
|
|
568 ch.pid = ngx_processes[ngx_process_slot].pid;
|
|
|
569 ch.slot = ngx_process_slot;
|
|
|
570 ch.fd = ngx_processes[ngx_process_slot].channel[0];
|
|
|
571
|
|
|
572 for (n = 0; n < ngx_last_process; n++) {
|
|
|
573
|
|
|
574 if (n == ngx_process_slot
|
|
|
575 || ngx_processes[n].pid == -1
|
|
|
576 || ngx_processes[n].channel[0] == -1)
|
|
|
577 {
|
|
|
578 continue;
|
|
|
579 }
|
|
|
580
|
|
|
581 ngx_log_debug6(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
582 "pass channel s:%d pid:%P fd:%d to s:%i pid:%P fd:%d",
|
|
|
583 ch.slot, ch.pid, ch.fd,
|
|
|
584 n, ngx_processes[n].pid,
|
|
|
585 ngx_processes[n].channel[0]);
|
|
|
586
|
|
|
587 /* TODO: NGX_AGAIN */
|
|
|
588
|
|
|
589 ngx_write_channel(ngx_processes[n].channel[0],
|
|
|
590 &ch, sizeof(ngx_channel_t), cycle->log);
|
|
|
591 }
|
|
|
592
|
|
0
|
593 live = 1;
|
|
|
594
|
|
|
595 continue;
|
|
|
596 }
|
|
|
597
|
|
|
598 if (ngx_processes[i].pid == ngx_new_binary) {
|
|
92
|
599
|
|
|
600 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
|
|
|
601 ngx_core_module);
|
|
|
602
|
|
|
603 if (ngx_rename_file((char *) ccf->oldpid.data,
|
|
|
604 (char *) ccf->pid.data)
|
|
|
605 != NGX_OK)
|
|
|
606 {
|
|
|
607 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
608 ngx_rename_file_n " %s back to %s failed "
|
|
|
609 "after the new binary process \"%s\" exited",
|
|
|
610 ccf->oldpid.data, ccf->pid.data, ngx_argv[0]);
|
|
|
611 }
|
|
|
612
|
|
0
|
613 ngx_new_binary = 0;
|
|
|
614 if (ngx_noaccepting) {
|
|
|
615 ngx_restart = 1;
|
|
|
616 ngx_noaccepting = 0;
|
|
|
617 }
|
|
|
618 }
|
|
|
619
|
|
|
620 if (i == ngx_last_process - 1) {
|
|
|
621 ngx_last_process--;
|
|
|
622
|
|
|
623 } else {
|
|
|
624 ngx_processes[i].pid = -1;
|
|
|
625 }
|
|
|
626
|
|
|
627 } else if (ngx_processes[i].exiting || !ngx_processes[i].detached) {
|
|
|
628 live = 1;
|
|
|
629 }
|
|
|
630 }
|
|
|
631
|
|
|
632 return live;
|
|
|
633 }
|
|
|
634
|
|
|
635
|
|
50
|
636 static void
|
|
122
|
637 ngx_master_process_exit(ngx_cycle_t *cycle)
|
|
0
|
638 {
|
|
120
|
639 ngx_uint_t i;
|
|
|
640
|
|
0
|
641 ngx_delete_pidfile(cycle);
|
|
|
642
|
|
26
|
643 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit");
|
|
0
|
644
|
|
120
|
645 for (i = 0; ngx_modules[i]; i++) {
|
|
|
646 if (ngx_modules[i]->exit_master) {
|
|
|
647 ngx_modules[i]->exit_master(cycle);
|
|
|
648 }
|
|
|
649 }
|
|
|
650
|
|
54
|
651 /*
|
|
|
652 * we do not destroy cycle->pool here because a signal handler
|
|
|
653 * that uses cycle->log can be called at this point
|
|
|
654 */
|
|
|
655
|
|
|
656 #if 0
|
|
0
|
657 ngx_destroy_pool(cycle->pool);
|
|
54
|
658 #endif
|
|
0
|
659
|
|
|
660 exit(0);
|
|
|
661 }
|
|
|
662
|
|
|
663
|
|
50
|
664 static void
|
|
|
665 ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data)
|
|
0
|
666 {
|
|
290
|
667 ngx_uint_t i;
|
|
|
668 ngx_connection_t *c;
|
|
50
|
669 #if (NGX_THREADS)
|
|
18
|
670 ngx_int_t n;
|
|
|
671 ngx_err_t err;
|
|
|
672 ngx_core_conf_t *ccf;
|
|
50
|
673 #endif
|
|
18
|
674
|
|
22
|
675 ngx_worker_process_init(cycle, 1);
|
|
0
|
676
|
|
|
677 ngx_setproctitle("worker process");
|
|
|
678
|
|
|
679 #if (NGX_THREADS)
|
|
|
680
|
|
18
|
681 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
682
|
|
0
|
683 if (ngx_threads_n) {
|
|
290
|
684 if (ngx_init_threads(ngx_threads_n, ccf->thread_stack_size, cycle)
|
|
|
685 == NGX_ERROR)
|
|
0
|
686 {
|
|
|
687 /* fatal */
|
|
|
688 exit(2);
|
|
|
689 }
|
|
|
690
|
|
|
691 err = ngx_thread_key_create(&ngx_core_tls_key);
|
|
|
692 if (err != 0) {
|
|
|
693 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
694 ngx_thread_key_create_n " failed");
|
|
|
695 /* fatal */
|
|
|
696 exit(2);
|
|
|
697 }
|
|
|
698
|
|
|
699 for (n = 0; n < ngx_threads_n; n++) {
|
|
|
700
|
|
50
|
701 ngx_threads[n].cv = ngx_cond_init(cycle->log);
|
|
|
702
|
|
|
703 if (ngx_threads[n].cv == NULL) {
|
|
0
|
704 /* fatal */
|
|
|
705 exit(2);
|
|
|
706 }
|
|
|
707
|
|
|
708 if (ngx_create_thread((ngx_tid_t *) &ngx_threads[n].tid,
|
|
|
709 ngx_worker_thread_cycle,
|
|
290
|
710 (void *) &ngx_threads[n], cycle->log)
|
|
|
711 != 0)
|
|
0
|
712 {
|
|
|
713 /* fatal */
|
|
|
714 exit(2);
|
|
|
715 }
|
|
|
716 }
|
|
|
717 }
|
|
|
718
|
|
|
719 #endif
|
|
|
720
|
|
|
721 for ( ;; ) {
|
|
290
|
722
|
|
|
723 if (ngx_exiting) {
|
|
|
724
|
|
|
725 c = cycle->connections;
|
|
|
726
|
|
|
727 for (i = 0; i < cycle->connection_n; i++) {
|
|
|
728
|
|
|
729 /* THREAD: lock */
|
|
0
|
730
|
|
290
|
731 if (c[i].fd != -1 && c[i].idle) {
|
|
|
732 c[i].close = 1;
|
|
|
733 c[i].read->handler(c[i].read);
|
|
|
734 }
|
|
|
735 }
|
|
|
736
|
|
|
737 if (ngx_event_timer_rbtree.root == ngx_event_timer_rbtree.sentinel)
|
|
|
738 {
|
|
|
739 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
|
740
|
|
|
741 ngx_worker_process_exit(cycle);
|
|
|
742 }
|
|
0
|
743 }
|
|
|
744
|
|
|
745 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "worker cycle");
|
|
|
746
|
|
112
|
747 ngx_process_events_and_timers(cycle);
|
|
0
|
748
|
|
|
749 if (ngx_terminate) {
|
|
26
|
750 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
0
|
751
|
|
122
|
752 ngx_worker_process_exit(cycle);
|
|
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 {
|
|
278
|
779 sigset_t set;
|
|
|
780 ngx_int_t n;
|
|
|
781 ngx_uint_t i;
|
|
|
782 struct rlimit rlmt;
|
|
|
783 ngx_core_conf_t *ccf;
|
|
|
784 ngx_listening_t *ls;
|
|
16
|
785
|
|
|
786 ngx_process = NGX_PROCESS_WORKER;
|
|
|
787
|
|
278
|
788 if (ngx_set_environment(cycle, NULL) == NULL) {
|
|
|
789 /* fatal */
|
|
|
790 exit(2);
|
|
|
791 }
|
|
|
792
|
|
16
|
793 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
794
|
|
|
795 if (geteuid() == 0) {
|
|
22
|
796 if (priority && ccf->priority != 0) {
|
|
|
797 if (setpriority(PRIO_PROCESS, 0, ccf->priority) == -1) {
|
|
|
798 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
799 "setpriority(%d) failed", ccf->priority);
|
|
|
800 }
|
|
|
801 }
|
|
|
802
|
|
92
|
803 if (ccf->rlimit_nofile != NGX_CONF_UNSET) {
|
|
|
804 rlmt.rlim_cur = (rlim_t) ccf->rlimit_nofile;
|
|
|
805 rlmt.rlim_max = (rlim_t) ccf->rlimit_nofile;
|
|
|
806
|
|
|
807 if (setrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
|
|
|
808 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
809 "setrlimit(RLIMIT_NOFILE, %i) failed",
|
|
|
810 ccf->rlimit_nofile);
|
|
|
811 }
|
|
|
812 }
|
|
|
813
|
|
270
|
814 if (ccf->rlimit_core != NGX_CONF_UNSET_SIZE) {
|
|
138
|
815 rlmt.rlim_cur = (rlim_t) ccf->rlimit_core;
|
|
|
816 rlmt.rlim_max = (rlim_t) ccf->rlimit_core;
|
|
|
817
|
|
|
818 if (setrlimit(RLIMIT_CORE, &rlmt) == -1) {
|
|
|
819 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
820 "setrlimit(RLIMIT_CORE, %i) failed",
|
|
|
821 ccf->rlimit_core);
|
|
|
822 }
|
|
|
823 }
|
|
|
824
|
|
92
|
825 #ifdef RLIMIT_SIGPENDING
|
|
|
826 if (ccf->rlimit_sigpending != NGX_CONF_UNSET) {
|
|
|
827 rlmt.rlim_cur = (rlim_t) ccf->rlimit_sigpending;
|
|
|
828 rlmt.rlim_max = (rlim_t) ccf->rlimit_sigpending;
|
|
|
829
|
|
|
830 if (setrlimit(RLIMIT_SIGPENDING, &rlmt) == -1) {
|
|
|
831 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
832 "setrlimit(RLIMIT_SIGPENDING, %i) failed",
|
|
|
833 ccf->rlimit_sigpending);
|
|
|
834 }
|
|
|
835 }
|
|
|
836 #endif
|
|
|
837
|
|
16
|
838 if (setgid(ccf->group) == -1) {
|
|
|
839 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
840 "setgid(%d) failed", ccf->group);
|
|
|
841 /* fatal */
|
|
|
842 exit(2);
|
|
|
843 }
|
|
|
844
|
|
22
|
845 if (initgroups(ccf->username, ccf->group) == -1) {
|
|
|
846 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
847 "initgroups(%s, %d) failed",
|
|
|
848 ccf->username, ccf->group);
|
|
|
849 }
|
|
|
850
|
|
16
|
851 if (setuid(ccf->user) == -1) {
|
|
|
852 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
853 "setuid(%d) failed", ccf->user);
|
|
|
854 /* fatal */
|
|
|
855 exit(2);
|
|
|
856 }
|
|
|
857 }
|
|
|
858
|
|
126
|
859 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
860
|
|
|
861 if (cpu_affinity) {
|
|
|
862 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
|
863 "sched_setaffinity(0x%08Xl)", cpu_affinity);
|
|
|
864
|
|
|
865 if (sched_setaffinity(0, 32, (cpu_set_t *) &cpu_affinity) == -1) {
|
|
|
866 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
867 "sched_setaffinity(0x%08Xl) failed", cpu_affinity);
|
|
|
868 }
|
|
|
869 }
|
|
|
870
|
|
|
871 #endif
|
|
|
872
|
|
16
|
873 #if (NGX_HAVE_PR_SET_DUMPABLE)
|
|
|
874
|
|
|
875 /* allow coredump after setuid() in Linux 2.4.x */
|
|
|
876
|
|
|
877 if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
|
|
|
878 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
879 "prctl(PR_SET_DUMPABLE) failed");
|
|
|
880 }
|
|
|
881
|
|
|
882 #endif
|
|
|
883
|
|
70
|
884 if (ccf->working_directory.len) {
|
|
72
|
885 if (chdir((char *) ccf->working_directory.data) == -1) {
|
|
70
|
886 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
887 "chdir(\"%s\") failed", ccf->working_directory.data);
|
|
|
888 /* fatal */
|
|
|
889 exit(2);
|
|
|
890 }
|
|
|
891 }
|
|
|
892
|
|
16
|
893 sigemptyset(&set);
|
|
|
894
|
|
|
895 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
|
|
|
896 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
897 "sigprocmask() failed");
|
|
|
898 }
|
|
|
899
|
|
|
900 ngx_init_temp_number();
|
|
|
901
|
|
|
902 /*
|
|
|
903 * disable deleting previous events for the listening sockets because
|
|
|
904 * in the worker processes there are no events at all at this point
|
|
126
|
905 */
|
|
16
|
906 ls = cycle->listening.elts;
|
|
|
907 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
92
|
908 ls[i].previous = NULL;
|
|
16
|
909 }
|
|
|
910
|
|
|
911 for (i = 0; ngx_modules[i]; i++) {
|
|
|
912 if (ngx_modules[i]->init_process) {
|
|
|
913 if (ngx_modules[i]->init_process(cycle) == NGX_ERROR) {
|
|
|
914 /* fatal */
|
|
|
915 exit(2);
|
|
|
916 }
|
|
|
917 }
|
|
|
918 }
|
|
|
919
|
|
|
920 for (n = 0; n < ngx_last_process; n++) {
|
|
|
921
|
|
|
922 if (ngx_processes[n].pid == -1) {
|
|
|
923 continue;
|
|
|
924 }
|
|
|
925
|
|
|
926 if (n == ngx_process_slot) {
|
|
|
927 continue;
|
|
|
928 }
|
|
|
929
|
|
|
930 if (ngx_processes[n].channel[1] == -1) {
|
|
|
931 continue;
|
|
|
932 }
|
|
|
933
|
|
|
934 if (close(ngx_processes[n].channel[1]) == -1) {
|
|
|
935 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
936 "close() channel failed");
|
|
|
937 }
|
|
|
938 }
|
|
|
939
|
|
|
940 if (close(ngx_processes[ngx_process_slot].channel[0]) == -1) {
|
|
|
941 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
942 "close() channel failed");
|
|
|
943 }
|
|
|
944
|
|
|
945 #if 0
|
|
|
946 ngx_last_process = 0;
|
|
|
947 #endif
|
|
|
948
|
|
|
949 if (ngx_add_channel_event(cycle, ngx_channel, NGX_READ_EVENT,
|
|
290
|
950 ngx_channel_handler)
|
|
|
951 == NGX_ERROR)
|
|
16
|
952 {
|
|
|
953 /* fatal */
|
|
|
954 exit(2);
|
|
|
955 }
|
|
|
956 }
|
|
|
957
|
|
|
958
|
|
50
|
959 static void
|
|
122
|
960 ngx_worker_process_exit(ngx_cycle_t *cycle)
|
|
|
961 {
|
|
|
962 ngx_uint_t i;
|
|
|
963 ngx_connection_t *c;
|
|
|
964
|
|
|
965 #if (NGX_THREADS)
|
|
|
966 ngx_terminate = 1;
|
|
|
967
|
|
|
968 ngx_wakeup_worker_threads(cycle);
|
|
|
969 #endif
|
|
|
970
|
|
|
971 for (i = 0; ngx_modules[i]; i++) {
|
|
|
972 if (ngx_modules[i]->exit_process) {
|
|
|
973 ngx_modules[i]->exit_process(cycle);
|
|
|
974 }
|
|
|
975 }
|
|
|
976
|
|
136
|
977 if (ngx_quit) {
|
|
|
978 c = cycle->connections;
|
|
|
979 for (i = 0; i < cycle->connection_n; i++) {
|
|
|
980 if (c[i].fd != -1
|
|
|
981 && c[i].read
|
|
|
982 && !c[i].read->accept
|
|
|
983 && !c[i].read->channel)
|
|
|
984 {
|
|
|
985 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
986 "open socket #%d left in %ui connection, "
|
|
|
987 "aborting",
|
|
|
988 c[i].fd, i);
|
|
|
989 ngx_debug_point();
|
|
|
990 }
|
|
122
|
991 }
|
|
|
992
|
|
136
|
993 if (ngx_debug_quit) {
|
|
|
994 ngx_debug_point();
|
|
|
995 }
|
|
122
|
996 }
|
|
|
997
|
|
|
998 /*
|
|
|
999 * we do not destroy cycle->pool here because a signal handler
|
|
|
1000 * that uses cycle->log can be called at this point
|
|
|
1001 */
|
|
|
1002
|
|
|
1003 #if 0
|
|
|
1004 ngx_destroy_pool(cycle->pool);
|
|
|
1005 #endif
|
|
|
1006
|
|
|
1007 exit(0);
|
|
|
1008 }
|
|
|
1009
|
|
|
1010
|
|
|
1011 static void
|
|
50
|
1012 ngx_channel_handler(ngx_event_t *ev)
|
|
0
|
1013 {
|
|
|
1014 ngx_int_t n;
|
|
92
|
1015 ngx_socket_t fd;
|
|
0
|
1016 ngx_channel_t ch;
|
|
|
1017 ngx_connection_t *c;
|
|
|
1018
|
|
16
|
1019 if (ev->timedout) {
|
|
|
1020 ev->timedout = 0;
|
|
|
1021 return;
|
|
|
1022 }
|
|
|
1023
|
|
0
|
1024 c = ev->data;
|
|
|
1025
|
|
|
1026 ngx_log_debug0(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel handler");
|
|
|
1027
|
|
|
1028 n = ngx_read_channel(c->fd, &ch, sizeof(ngx_channel_t), ev->log);
|
|
|
1029
|
|
10
|
1030 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "channel: %i", n);
|
|
0
|
1031
|
|
10
|
1032 if (n == NGX_ERROR) {
|
|
92
|
1033
|
|
|
1034 ngx_free_connection(c);
|
|
|
1035
|
|
|
1036 fd = c->fd;
|
|
|
1037 c->fd = (ngx_socket_t) -1;
|
|
|
1038
|
|
|
1039 if (close(fd) == -1) {
|
|
10
|
1040 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
1041 "close() channel failed");
|
|
|
1042 }
|
|
|
1043
|
|
|
1044 return;
|
|
|
1045 }
|
|
|
1046
|
|
290
|
1047 if (ngx_event_flags & NGX_USE_EVENTPORT_EVENT) {
|
|
|
1048 if (ngx_add_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
|
1049 return;
|
|
|
1050 }
|
|
|
1051 }
|
|
|
1052
|
|
10
|
1053 if (n == NGX_AGAIN) {
|
|
0
|
1054 return;
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
|
1058 "channel command: %d", ch.command);
|
|
|
1059
|
|
|
1060 switch (ch.command) {
|
|
|
1061
|
|
|
1062 case NGX_CMD_QUIT:
|
|
|
1063 ngx_quit = 1;
|
|
|
1064 break;
|
|
|
1065
|
|
|
1066 case NGX_CMD_TERMINATE:
|
|
|
1067 ngx_terminate = 1;
|
|
|
1068 break;
|
|
|
1069
|
|
|
1070 case NGX_CMD_REOPEN:
|
|
|
1071 ngx_reopen = 1;
|
|
|
1072 break;
|
|
|
1073
|
|
|
1074 case NGX_CMD_OPEN_CHANNEL:
|
|
|
1075
|
|
|
1076 ngx_log_debug3(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1077 "get channel s:%i pid:%P fd:%d", ch.slot, ch.pid, ch.fd);
|
|
0
|
1078
|
|
|
1079 ngx_processes[ch.slot].pid = ch.pid;
|
|
|
1080 ngx_processes[ch.slot].channel[0] = ch.fd;
|
|
|
1081 break;
|
|
|
1082
|
|
|
1083 case NGX_CMD_CLOSE_CHANNEL:
|
|
|
1084
|
|
|
1085 ngx_log_debug4(NGX_LOG_DEBUG_CORE, ev->log, 0,
|
|
10
|
1086 "close channel s:%i pid:%P our:%P fd:%d",
|
|
0
|
1087 ch.slot, ch.pid, ngx_processes[ch.slot].pid,
|
|
|
1088 ngx_processes[ch.slot].channel[0]);
|
|
|
1089
|
|
|
1090 if (close(ngx_processes[ch.slot].channel[0]) == -1) {
|
|
16
|
1091 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
|
|
|
1092 "close() channel failed");
|
|
0
|
1093 }
|
|
|
1094
|
|
|
1095 ngx_processes[ch.slot].channel[0] = -1;
|
|
|
1096 break;
|
|
|
1097 }
|
|
|
1098 }
|
|
|
1099
|
|
|
1100
|
|
|
1101 #if (NGX_THREADS)
|
|
|
1102
|
|
50
|
1103 static void
|
|
|
1104 ngx_wakeup_worker_threads(ngx_cycle_t *cycle)
|
|
0
|
1105 {
|
|
|
1106 ngx_int_t i;
|
|
|
1107 ngx_uint_t live;
|
|
|
1108
|
|
|
1109 for ( ;; ) {
|
|
|
1110
|
|
|
1111 live = 0;
|
|
|
1112
|
|
|
1113 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
1114 if (ngx_threads[i].state < NGX_THREAD_EXIT) {
|
|
18
|
1115 if (ngx_cond_signal(ngx_threads[i].cv) == NGX_ERROR) {
|
|
|
1116 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
0
|
1117
|
|
|
1118 } else {
|
|
|
1119 live = 1;
|
|
|
1120 }
|
|
|
1121 }
|
|
|
1122
|
|
|
1123 if (ngx_threads[i].state == NGX_THREAD_EXIT) {
|
|
|
1124 ngx_thread_join(ngx_threads[i].tid, NULL);
|
|
|
1125 ngx_threads[i].state = NGX_THREAD_DONE;
|
|
|
1126 }
|
|
|
1127 }
|
|
|
1128
|
|
|
1129 if (live == 0) {
|
|
|
1130 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
|
1131 "all worker threads are joined");
|
|
|
1132
|
|
|
1133 /* STUB */
|
|
|
1134 ngx_done_events(cycle);
|
|
|
1135 ngx_mutex_destroy(ngx_event_timer_mutex);
|
|
|
1136 ngx_mutex_destroy(ngx_posted_events_mutex);
|
|
|
1137
|
|
|
1138 return;
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 ngx_sched_yield();
|
|
|
1142 }
|
|
|
1143 }
|
|
|
1144
|
|
|
1145
|
|
112
|
1146 static ngx_thread_value_t
|
|
50
|
1147 ngx_worker_thread_cycle(void *data)
|
|
0
|
1148 {
|
|
|
1149 ngx_thread_t *thr = data;
|
|
|
1150
|
|
|
1151 sigset_t set;
|
|
|
1152 ngx_err_t err;
|
|
|
1153 ngx_core_tls_t *tls;
|
|
|
1154 ngx_cycle_t *cycle;
|
|
|
1155
|
|
|
1156 cycle = (ngx_cycle_t *) ngx_cycle;
|
|
|
1157
|
|
|
1158 sigemptyset(&set);
|
|
|
1159 sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
|
|
|
1160 sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
|
|
|
1161 sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
|
|
|
1162
|
|
|
1163 err = ngx_thread_sigmask(SIG_BLOCK, &set, NULL);
|
|
|
1164 if (err) {
|
|
|
1165 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1166 ngx_thread_sigmask_n " failed");
|
|
112
|
1167 return (ngx_thread_value_t) 1;
|
|
0
|
1168 }
|
|
|
1169
|
|
|
1170 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1171 "thread " NGX_TID_T_FMT " started", ngx_thread_self());
|
|
0
|
1172
|
|
|
1173 ngx_setthrtitle("worker thread");
|
|
|
1174
|
|
50
|
1175 tls = ngx_calloc(sizeof(ngx_core_tls_t), cycle->log);
|
|
|
1176 if (tls == NULL) {
|
|
112
|
1177 return (ngx_thread_value_t) 1;
|
|
0
|
1178 }
|
|
|
1179
|
|
|
1180 err = ngx_thread_set_tls(ngx_core_tls_key, tls);
|
|
|
1181 if (err != 0) {
|
|
|
1182 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
|
|
|
1183 ngx_thread_set_tls_n " failed");
|
|
112
|
1184 return (ngx_thread_value_t) 1;
|
|
0
|
1185 }
|
|
|
1186
|
|
112
|
1187 ngx_mutex_lock(ngx_posted_events_mutex);
|
|
0
|
1188
|
|
|
1189 for ( ;; ) {
|
|
|
1190 thr->state = NGX_THREAD_FREE;
|
|
|
1191
|
|
|
1192 if (ngx_cond_wait(thr->cv, ngx_posted_events_mutex) == NGX_ERROR) {
|
|
112
|
1193 return (ngx_thread_value_t) 1;
|
|
0
|
1194 }
|
|
|
1195
|
|
|
1196 if (ngx_terminate) {
|
|
|
1197 thr->state = NGX_THREAD_EXIT;
|
|
|
1198
|
|
|
1199 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
1200
|
|
|
1201 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
|
|
10
|
1202 "thread " NGX_TID_T_FMT " is done",
|
|
|
1203 ngx_thread_self());
|
|
0
|
1204
|
|
112
|
1205 return (ngx_thread_value_t) 0;
|
|
0
|
1206 }
|
|
|
1207
|
|
|
1208 thr->state = NGX_THREAD_BUSY;
|
|
|
1209
|
|
|
1210 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
112
|
1211 return (ngx_thread_value_t) 1;
|
|
0
|
1212 }
|
|
|
1213
|
|
|
1214 if (ngx_event_thread_process_posted(cycle) == NGX_ERROR) {
|
|
112
|
1215 return (ngx_thread_value_t) 1;
|
|
0
|
1216 }
|
|
|
1217
|
|
|
1218 if (ngx_process_changes) {
|
|
|
1219 if (ngx_process_changes(cycle, 1) == NGX_ERROR) {
|
|
112
|
1220 return (ngx_thread_value_t) 1;
|
|
0
|
1221 }
|
|
|
1222 }
|
|
|
1223 }
|
|
|
1224 }
|
|
|
1225
|
|
|
1226 #endif
|
|
16
|
1227
|
|
|
1228
|
|
50
|
1229 #if 0
|
|
|
1230
|
|
|
1231 static void
|
|
|
1232 ngx_garbage_collector_cycle(ngx_cycle_t *cycle, void *data)
|
|
16
|
1233 {
|
|
|
1234 ngx_uint_t i;
|
|
|
1235 ngx_gc_t ctx;
|
|
|
1236 ngx_path_t **path;
|
|
|
1237 ngx_event_t *ev;
|
|
|
1238
|
|
22
|
1239 ngx_worker_process_init(cycle, 0);
|
|
16
|
1240
|
|
92
|
1241 ev = &cycle->read_events0[ngx_channel];
|
|
16
|
1242
|
|
|
1243 ngx_accept_mutex = NULL;
|
|
|
1244
|
|
|
1245 ngx_setproctitle("garbage collector");
|
|
|
1246
|
|
|
1247 #if 0
|
|
|
1248 ngx_add_timer(ev, 60 * 1000);
|
|
|
1249 #endif
|
|
|
1250
|
|
|
1251 for ( ;; ) {
|
|
|
1252
|
|
|
1253 if (ngx_terminate || ngx_quit) {
|
|
26
|
1254 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting");
|
|
16
|
1255 exit(0);
|
|
|
1256 }
|
|
|
1257
|
|
|
1258 if (ngx_reopen) {
|
|
|
1259 ngx_reopen = 0;
|
|
26
|
1260 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs");
|
|
16
|
1261 ngx_reopen_files(cycle, -1);
|
|
|
1262 }
|
|
|
1263
|
|
|
1264 path = cycle->pathes.elts;
|
|
|
1265 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
1266 ctx.path = path[i];
|
|
|
1267 ctx.log = cycle->log;
|
|
28
|
1268 ctx.handler = path[i]->cleaner;
|
|
16
|
1269
|
|
|
1270 ngx_collect_garbage(&ctx, &path[i]->name, 0);
|
|
|
1271 }
|
|
|
1272
|
|
|
1273 ngx_add_timer(ev, 60 * 60 * 1000);
|
|
|
1274
|
|
112
|
1275 ngx_process_events_and_timers(cycle);
|
|
16
|
1276 }
|
|
|
1277 }
|
|
50
|
1278
|
|
|
1279 #endif
|
