Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 272:d4e65d74db9f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.2-2004-03-01-00:03:02 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 29 Feb 2004 21:03:02 +0000
parents 2a0540287298
children b79f021a644a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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1
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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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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4
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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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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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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16 #if 0
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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17 sigset_t set, oset;
272
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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18 #endif
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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19 ngx_pid_t pid;
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20
272
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21 #if 0
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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22 if (respawn < 0) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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23 sigemptyset(&set);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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24 sigaddset(&set, SIGCHLD);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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25 if (sigprocmask(SIG_BLOCK, &set, &oset) == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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26 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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27 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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28 return NGX_ERROR;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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29 }
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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30 }
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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31 #endif
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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32
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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33 pid = fork();
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34
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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35 if (pid == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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36 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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37 "fork() failed while spawning \"%s\"", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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38 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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39
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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40 if (pid == -1 || pid == 0) {
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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41 #if 0
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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42 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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43 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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44 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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45 return NGX_ERROR;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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46 }
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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47 #endif
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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48 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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49
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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50 switch (pid) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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51 case -1:
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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52 return NGX_ERROR;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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53
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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54 case 0:
249
2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
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55 ngx_pid = ngx_getpid();
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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56 proc(cycle, data);
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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57 break;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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58
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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59 default:
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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60 break;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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61 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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62
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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63 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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64 "spawn %s: " PID_T_FMT, name, pid);
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65
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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66 if (respawn >= 0) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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67 ngx_processes[respawn].pid = pid;
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68 ngx_processes[respawn].exited = 0;
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69 return pid;
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70 }
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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71
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72 ngx_processes[ngx_last_process].pid = pid;
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73 ngx_processes[ngx_last_process].proc = proc;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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74 ngx_processes[ngx_last_process].data = data;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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75 ngx_processes[ngx_last_process].name = name;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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76 ngx_processes[ngx_last_process].respawn =
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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77 (respawn == NGX_PROCESS_RESPAWN) ? 1 : 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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78 ngx_processes[ngx_last_process].detached =
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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79 (respawn == NGX_PROCESS_DETACHED) ? 1 : 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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80 ngx_processes[ngx_last_process].exited = 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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81 ngx_processes[ngx_last_process].exiting = 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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82 ngx_last_process++;
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83
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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84 #if 0
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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85 if (sigprocmask(SIG_SETMASK, &oset, &set) == -1) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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86 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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parents: 195
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87 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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88 return NGX_ERROR;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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89 }
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90 #endif
218
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91
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2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
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92 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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93 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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94
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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95
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b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
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96 ngx_pid_t ngx_exec(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx)
218
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97 {
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
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98 return ngx_spawn_process(cycle, ngx_exec_proc, ctx, ctx->name,
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
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99 NGX_PROCESS_DETACHED);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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100 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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101
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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102
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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103 static void ngx_exec_proc(ngx_cycle_t *cycle, void *data)
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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104 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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105 ngx_exec_ctx_t *ctx = data;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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parents: 195
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106
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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107 if (execve(ctx->path, ctx->argv, ctx->envp) == -1) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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108 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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109 "execve() failed while executing %s \"%s\"",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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110 ctx->name, ctx->path);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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parents: 195
diff changeset
111 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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112
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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113 exit(1);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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114 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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115
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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116
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
117 #if 0
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
118
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
119 void ngx_signal_processes(ngx_cycle_t *cycle)
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
120 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
121 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
122
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
123 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
124
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
125 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
126 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
127 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
128
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
129 #if 0
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
130 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
131 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
132 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
133 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
134 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
135 }
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
136 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
137
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
138 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
139 "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
140 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
141
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
142 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
143 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
144 "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
145 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
146 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
147 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
148
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
149 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
150 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
151 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
152 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
153 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
154
227
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
155 #endif
2ba3477070ac nginx-0.0.1-2004-01-14-21:19:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
156
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 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
159 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
160 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
161
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
162 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
163
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
164 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
165 continue;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
166 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
167
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
168 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
169 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
170 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
171 }
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
172 continue;
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
173 }
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
174
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
175 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
176 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
177 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
178 {
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
179 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
180 "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
181 }
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
182 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
183 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
184
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
185
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
186 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
187 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
188 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
189 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
190 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
191 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
192 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
193 struct timeval tv;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 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
198
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 continue;
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 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
211 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 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
215 "waitpid() failed");
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 one = 1;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
220 process = "";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
222 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
223 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
224 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
225 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
226 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
227 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
228 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
229 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
230
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
231 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
232 process = "unknown process";
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
233 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
235 if (WTERMSIG(status)) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
236 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
237 "%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
238 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
239 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
240
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
241 } else {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
242 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
243 "%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
244 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
245 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
246
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
247 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
248 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
249 "%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
250 " 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
251 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
252 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
253 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 }