Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 248:e885208c518b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.2-2004-02-03-00:19:52 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 02 Feb 2004 21:19:52 +0000
parents cd71b95716b4
children 2a0540287298
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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1
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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2 #include <ngx_config.h>
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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3 #include <ngx_core.h>
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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5
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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6 static void ngx_exec_proc(ngx_cycle_t *cycle, void *data);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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7
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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8 ngx_uint_t ngx_last_process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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9 ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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11
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2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
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12 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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13 ngx_spawn_proc_pt proc, void *data,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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14 char *name, ngx_int_t respawn)
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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15 {
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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16 sigset_t set, oset;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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17 ngx_pid_t pid;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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18
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19 if (respawn < 0) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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20 sigemptyset(&set);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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21 sigaddset(&set, SIGCHLD);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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22 if (sigprocmask(SIG_BLOCK, &set, &oset) == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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23 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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24 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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25 return NGX_ERROR;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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26 }
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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27 }
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28
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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29 pid = fork();
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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30
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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31 if (pid == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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32 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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33 "fork() failed while spawning \"%s\"", name);
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34 }
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35
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36 if (pid == -1 || pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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37 if (sigprocmask(SIG_SETMASK, &oset, &set) == -1) {
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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38 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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39 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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40 return NGX_ERROR;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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41 }
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42 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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43
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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44 switch (pid) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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45 case -1:
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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46 return NGX_ERROR;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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47
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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48 case 0:
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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49 proc(cycle, data);
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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50 break;
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51
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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52 default:
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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53 break;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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54 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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55
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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56 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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57 "spawn %s: " PID_T_FMT, name, pid);
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58
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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59 if (respawn >= 0) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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60 ngx_processes[respawn].pid = pid;
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61 ngx_processes[respawn].exited = 0;
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62 return pid;
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63 }
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64
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65 ngx_processes[ngx_last_process].pid = pid;
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66 ngx_processes[ngx_last_process].proc = proc;
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67 ngx_processes[ngx_last_process].data = data;
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68 ngx_processes[ngx_last_process].name = name;
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69 ngx_processes[ngx_last_process].respawn =
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70 (respawn == NGX_PROCESS_RESPAWN) ? 1 : 0;
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71 ngx_processes[ngx_last_process].detached =
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72 (respawn == NGX_PROCESS_DETACHED) ? 1 : 0;
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73 ngx_processes[ngx_last_process].exited = 0;
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74 ngx_processes[ngx_last_process].exiting = 0;
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75 ngx_last_process++;
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76
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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77 if (sigprocmask(SIG_SETMASK, &oset, &set) == -1) {
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78 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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79 "sigprocmask() failed while spawning %s", name);
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80 return NGX_ERROR;
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81 }
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82
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83 return pid;
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84 }
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85
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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86
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b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
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87 ngx_pid_t ngx_exec(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx)
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88 {
226
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89 return ngx_spawn_process(cycle, ngx_exec_proc, ctx, ctx->name,
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90 NGX_PROCESS_DETACHED);
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91 }
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92
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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93
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94 static void ngx_exec_proc(ngx_cycle_t *cycle, void *data)
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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95 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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96 ngx_exec_ctx_t *ctx = data;
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97
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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98 if (execve(ctx->path, ctx->argv, ctx->envp) == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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99 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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100 "execve() failed while executing %s \"%s\"",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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101 ctx->name, ctx->path);
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102 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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103
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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104 exit(1);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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105 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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106
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107
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
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108 #if 0
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
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109
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
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110 void ngx_signal_processes(ngx_cycle_t *cycle)
218
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111 {
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112 ngx_uint_t i;
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113
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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114 for (i = 0; i < ngx_last_process; i++) {
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115
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
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116 if (ngx_processes[i].signal0 == 0) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
117 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
118 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
119
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
120 #if 0
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
121 if (ngx_processes[i].exited) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
122 if (i != --ngx_last_process) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
123 ngx_processes[i--] = ngx_processes[ngx_last_process];
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
124 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
125 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
126 }
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
127 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
128
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
129 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
130 "kill (" PID_T_FMT ", %d)" ,
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
131 ngx_processes[i].pid, ngx_processes[i].signal0);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
132
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
133 if (kill(ngx_processes[i].pid, ngx_processes[i].signal0) == -1) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
134 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
135 "kill(%d, %d) failed",
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
136 ngx_processes[i].pid, ngx_processes[i].signal0);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
137 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
138 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
139
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
140 if (ngx_processes[i].signal0 != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
141 ngx_processes[i].exiting = 1;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
142 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
143 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
144 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
145
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
146 #endif
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
147
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
148
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
149 void ngx_respawn_processes(ngx_cycle_t *cycle)
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
150 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
151 ngx_uint_t i;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
152
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
153 for (i = 0; i < ngx_last_process; i++) {
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
154
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
155 if (ngx_processes[i].exiting || !ngx_processes[i].exited) {
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
156 continue;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
157 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
158
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
159 if (!ngx_processes[i].respawn) {
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
160 if (i != --ngx_last_process) {
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
161 ngx_processes[i--] = ngx_processes[ngx_last_process];
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
162 }
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
163 continue;
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
164 }
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
165
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
166 if (ngx_spawn_process(cycle,
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
167 ngx_processes[i].proc, ngx_processes[i].data,
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
168 ngx_processes[i].name, i) == NGX_ERROR)
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
169 {
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
170 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
171 "can not respawn %s", ngx_processes[i].name);
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
172 }
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
173 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
174 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
175
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
176
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
177 void ngx_process_get_status()
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
178 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
179 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
180 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
181 ngx_pid_t pid;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
182 ngx_err_t err;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
183 ngx_uint_t i, one;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
184 struct timeval tv;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 pid = waitpid(-1, &status, WNOHANG);
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 continue;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 if (err == NGX_ECHILD && one) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, errno,
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 "waitpid() failed");
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 one = 1;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
211 process = "";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
213 for (i = 0; i < ngx_last_process; i++) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
214 if (ngx_processes[i].pid == pid) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
215 ngx_processes[i].status = status;
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
216 ngx_processes[i].exited = 1;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
217 process = ngx_processes[i].name;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
218 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
219 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
220 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
221
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
222 if (i == ngx_last_process) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
223 process = "unknown process";
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
224 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
226 if (WTERMSIG(status)) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
227 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
228 "%s " PID_T_FMT " exited on signal %d%s",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
229 process, pid, WTERMSIG(status),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
230 WCOREDUMP(status) ? " (core dumped)" : "");
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
231
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
232 } else {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
233 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
234 "%s " PID_T_FMT " exited with code %d",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
235 process, pid, WEXITSTATUS(status));
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
236 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
237
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
238 if (WEXITSTATUS(status) == 2 && ngx_processes[i].respawn) {
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
239 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
240 "%s " PID_T_FMT
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
241 " exited with fatal code %d and could not respawn",
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
242 process, pid, WEXITSTATUS(status));
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
243 ngx_processes[i].respawn = 0;
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
244 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 }