Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 225:2e9a8a14a0cf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2004-01-13-19:43:23 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 13 Jan 2004 16:43:23 +0000
parents d427f1c3fe95
children b0c1e21e68db
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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10
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,
218
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 {
218
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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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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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 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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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);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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34 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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35
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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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) {
218
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
Igor Sysoev <igor@sysoev.ru>
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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;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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41 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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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
Igor Sysoev <igor@sysoev.ru>
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44 switch (pid) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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45 case -1:
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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48 case 0:
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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49 proc(cycle, data);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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50 break;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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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);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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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;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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61 ngx_processes[respawn].exited = 0;
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2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
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62 return pid;
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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63 }
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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64
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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65 ngx_processes[ngx_last_process].pid = pid;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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66 ngx_processes[ngx_last_process].proc = proc;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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67 ngx_processes[ngx_last_process].data = data;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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68 ngx_processes[ngx_last_process].name = name;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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69 ngx_processes[ngx_last_process].respawn =
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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70 (respawn == NGX_PROCESS_RESPAWN) ? 1 : 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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71 ngx_processes[ngx_last_process].detached =
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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72 (respawn == NGX_PROCESS_DETACHED) ? 1 : 0;
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d427f1c3fe95 nginx-0.0.1-2004-01-13-09:39:14 import
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73 ngx_processes[ngx_last_process].signal = 0;
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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74 ngx_processes[ngx_last_process].exited = 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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75 ngx_processes[ngx_last_process].exiting = 0;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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76 ngx_last_process++;
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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77
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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78 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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79 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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80 "sigprocmask() failed while spawning %s", name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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81 return NGX_ERROR;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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82 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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83
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
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84 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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85 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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86
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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87
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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88 ngx_int_t ngx_exec(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx)
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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89 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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90 if (ngx_spawn_process(cycle, ngx_exec_proc, ctx, ctx->name,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
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91 NGX_PROCESS_DETACHED) == NGX_ERROR)
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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92 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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93 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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parents: 195
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94 "can not spawn %s", ctx->name);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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95 return NGX_ERROR;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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96 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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97
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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98 return NGX_OK;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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99 }
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
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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102 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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103 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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104 ngx_exec_ctx_t *ctx = data;
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
Igor Sysoev <igor@sysoev.ru>
parents: 195
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106 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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107 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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108 "execve() failed while executing %s \"%s\"",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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parents: 195
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109 ctx->name, ctx->path);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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110 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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111
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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112 exit(1);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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113 }
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
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
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116 void ngx_signal_processes(ngx_cycle_t *cycle, ngx_int_t signo)
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
117 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
118 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
119
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
120 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
121
224
d427f1c3fe95 nginx-0.0.1-2004-01-13-09:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
122 if (!ngx_processes[i].signal) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
123 continue;
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
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
126 #if 0
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
127 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
128 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
129 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
130 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
131 continue;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
132 }
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
133 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
134
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
135 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
136 "kill (" PID_T_FMT ", %d)" ,
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
137 ngx_processes[i].pid, signo);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
138
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
139 if (kill(ngx_processes[i].pid, signo) == -1) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
140 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
141 "kill(%d, %d) failed", ngx_processes[i].pid, signo);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
142 continue;
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
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
145 if (signo != 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
146 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
147 }
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 }
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
152 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
153 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
154 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
155
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
156 for (i = 0; i < ngx_last_process; i++) {
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
157 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
158 continue;
218
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
221
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
161 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
162 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
163 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
164 }
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
165 continue;
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
166 }
218
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_spawn_process(cycle,
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
169 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
170 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
171 {
401154e21826 nginx-0.0.1-2004-01-08-20:08:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 220
diff changeset
172 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
173 "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
174 }
218
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
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 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
180 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
181 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
182 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
183 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
184 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
185 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
186 struct timeval tv;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 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
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 }
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 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 err = ngx_errno;
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 (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 continue;
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 (err == NGX_ECHILD && one) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 return;
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
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 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
208 "waitpid() failed");
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 one = 1;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
213 process = "";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
215 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
216 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
217 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
218 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
219 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
220 break;
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 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
223
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
224 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
225 process = "unknown process";
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
226 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
228 if (WTERMSIG(status)) {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
229 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
230 "%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
231 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
232 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
233
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
234 } else {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
235 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
236 "%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
237 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
238 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }