Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 4315:424a1ac6af43

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added (void) as we intentionally ignore returned values. Requested by Igor Sysoev.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 28 Nov 2011 11:01:42 +0000
parents 45272aab5eea
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 391
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 391
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
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3 * Copyright (C) Igor Sysoev
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 391
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 391
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5
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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6
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7 #include <ngx_config.h>
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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parents:
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8 #include <ngx_core.h>
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6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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parents: 279
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9 #include <ngx_event.h>
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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parents: 389
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10 #include <ngx_channel.h>
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11
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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12
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13 typedef struct {
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14 int signo;
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parents: 3475
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15 char *signame;
81677b7cdb2a style fix
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16 char *name;
81677b7cdb2a style fix
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parents: 3475
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17 void (*handler)(int signo);
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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18 } ngx_signal_t;
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19
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20
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21
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b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
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22 static void ngx_execute_proc(ngx_cycle_t *cycle, void *data);
539
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23 static void ngx_signal_handler(int signo);
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parents: 515
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24 static void ngx_process_get_status(void);
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25 static void ngx_unlock_mutexes(ngx_pid_t pid);
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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26
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27
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28 int ngx_argc;
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29 char **ngx_argv;
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30 char **ngx_os_argv;
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31
23fb87bddda1 nginx-0.1.1-RELEASE import
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32 ngx_int_t ngx_process_slot;
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33 ngx_socket_t ngx_channel;
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34 ngx_int_t ngx_last_process;
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35 ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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36
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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37
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38 ngx_signal_t signals[] = {
371c1cee100d nginx-0.1.44-RELEASE import
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39 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
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parents: 515
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40 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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parents: 2494
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41 "reload",
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42 ngx_signal_handler },
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parents: 515
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43
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44 { ngx_signal_value(NGX_REOPEN_SIGNAL),
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parents: 515
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45 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
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46 "reopen",
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Igor Sysoev <igor@sysoev.ru>
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47 ngx_signal_handler },
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48
371c1cee100d nginx-0.1.44-RELEASE import
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49 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
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parents: 515
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50 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
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parents: 2494
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51 "",
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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52 ngx_signal_handler },
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parents: 515
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53
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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54 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
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parents: 515
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55 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
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parents: 2494
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56 "stop",
539
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Igor Sysoev <igor@sysoev.ru>
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57 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
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58
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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59 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
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parents: 515
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60 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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parents: 2494
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61 "quit",
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62 ngx_signal_handler },
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63
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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64 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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65 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
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66 "",
539
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Igor Sysoev <igor@sysoev.ru>
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67 ngx_signal_handler },
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parents: 515
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68
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69 { SIGALRM, "SIGALRM", "", ngx_signal_handler },
539
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parents: 515
diff changeset
70
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71 { SIGINT, "SIGINT", "", ngx_signal_handler },
539
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parents: 515
diff changeset
72
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73 { SIGIO, "SIGIO", "", ngx_signal_handler },
539
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parents: 515
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74
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75 { SIGCHLD, "SIGCHLD", "", ngx_signal_handler },
539
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76
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77 { SIGSYS, "SIGSYS, SIG_IGN", "", SIG_IGN },
46b207c9dafd ignore SIGSYS
Igor Sysoev <igor@sysoev.ru>
parents: 3016
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78
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79 { SIGPIPE, "SIGPIPE, SIG_IGN", "", SIG_IGN },
539
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80
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81 { 0, NULL, "", NULL }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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82 };
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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83
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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84
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
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85 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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86 ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
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87 char *name, ngx_int_t respawn)
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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88 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
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89 u_long on;
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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90 ngx_pid_t pid;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
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91 ngx_int_t s;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
92
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
93 if (respawn >= 0) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
94 s = respawn;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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95
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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96 } else {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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97 for (s = 0; s < ngx_last_process; s++) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
98 if (ngx_processes[s].pid == -1) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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99 break;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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100 }
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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101 }
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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102
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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103 if (s == NGX_MAX_PROCESSES) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
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104 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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105 "no more than %d processes can be spawned",
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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106 NGX_MAX_PROCESSES);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
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107 return NGX_INVALID_PID;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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108 }
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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109 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
110
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
111
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
112 if (respawn != NGX_PROCESS_DETACHED) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
113
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
114 /* Solaris 9 still has no AF_LOCAL */
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
115
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
116 if (socketpair(AF_UNIX, SOCK_STREAM, 0, ngx_processes[s].channel) == -1)
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
117 {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
118 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
119 "socketpair() failed while spawning \"%s\"", name);
543
511a89da35ad nginx-0.2.0-RELEASE import
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parents: 539
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120 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
121 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
122
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
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parents: 389
diff changeset
123 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
124 "channel %d:%d",
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
125 ngx_processes[s].channel[0],
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
126 ngx_processes[s].channel[1]);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
127
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
128 if (ngx_nonblocking(ngx_processes[s].channel[0]) == -1) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
129 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
130 ngx_nonblocking_n " failed while spawning \"%s\"",
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
131 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
132 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
133 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
134 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
135
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
136 if (ngx_nonblocking(ngx_processes[s].channel[1]) == -1) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
137 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
138 ngx_nonblocking_n " failed while spawning \"%s\"",
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
139 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
140 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
141 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
142 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
143
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
144 on = 1;
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
145 if (ioctl(ngx_processes[s].channel[0], FIOASYNC, &on) == -1) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
146 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
147 "ioctl(FIOASYNC) failed while spawning \"%s\"", name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
148 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
149 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
150 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
151
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
152 if (fcntl(ngx_processes[s].channel[0], F_SETOWN, ngx_pid) == -1) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
153 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
154 "fcntl(F_SETOWN) failed while spawning \"%s\"", name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
155 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
156 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
157 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
158
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
159 if (fcntl(ngx_processes[s].channel[0], F_SETFD, FD_CLOEXEC) == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
160 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
161 "fcntl(FD_CLOEXEC) failed while spawning \"%s\"",
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
162 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
163 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
164 return NGX_INVALID_PID;
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
165 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
166
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
167 if (fcntl(ngx_processes[s].channel[1], F_SETFD, FD_CLOEXEC) == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
168 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
169 "fcntl(FD_CLOEXEC) failed while spawning \"%s\"",
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
170 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
171 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
172 return NGX_INVALID_PID;
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
173 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
174
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
175 ngx_channel = ngx_processes[s].channel[1];
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
176
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
177 } else {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
178 ngx_processes[s].channel[0] = -1;
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
179 ngx_processes[s].channel[1] = -1;
360
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
180 }
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
181
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
182 ngx_process_slot = s;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
183
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 pid = fork();
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
187 switch (pid) {
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
188
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
189 case -1:
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
190 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
diff changeset
191 "fork() failed while spawning \"%s\"", name);
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
192 ngx_close_channel(ngx_processes[s].channel, cycle->log);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
193 return NGX_INVALID_PID;
191
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 case 0:
249
2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 248
diff changeset
196 ngx_pid = ngx_getpid();
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
197 proc(cycle, data);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 break;
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 default:
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
201 break;
191
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
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
204 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start %s %P", name, pid);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
205
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
206 ngx_processes[s].pid = pid;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
207 ngx_processes[s].exited = 0;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
208
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
209 if (respawn >= 0) {
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 224
diff changeset
210 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
211 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
213 ngx_processes[s].proc = proc;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
214 ngx_processes[s].data = data;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
215 ngx_processes[s].name = name;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
216 ngx_processes[s].exiting = 0;
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
217
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
218 switch (respawn) {
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
219
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
220 case NGX_PROCESS_NORESPAWN:
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
221 ngx_processes[s].respawn = 0;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
222 ngx_processes[s].just_spawn = 0;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
223 ngx_processes[s].detached = 0;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
224 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
225
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
226 case NGX_PROCESS_JUST_SPAWN:
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
227 ngx_processes[s].respawn = 0;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
228 ngx_processes[s].just_spawn = 1;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
229 ngx_processes[s].detached = 0;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
230 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
231
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
232 case NGX_PROCESS_RESPAWN:
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
233 ngx_processes[s].respawn = 1;
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
234 ngx_processes[s].just_spawn = 0;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
235 ngx_processes[s].detached = 0;
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
236 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
237
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
238 case NGX_PROCESS_JUST_RESPAWN:
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
239 ngx_processes[s].respawn = 1;
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
240 ngx_processes[s].just_spawn = 1;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
241 ngx_processes[s].detached = 0;
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
242 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
243
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
244 case NGX_PROCESS_DETACHED:
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
245 ngx_processes[s].respawn = 0;
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
246 ngx_processes[s].just_spawn = 0;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
247 ngx_processes[s].detached = 1;
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
248 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
249 }
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
250
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
251 if (s == ngx_last_process) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
252 ngx_last_process++;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
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
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 224
diff changeset
255 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
256 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
257
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
258
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
259 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
260 ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx)
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
261 {
279
b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
262 return ngx_spawn_process(cycle, ngx_execute_proc, ctx, ctx->name,
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
263 NGX_PROCESS_DETACHED);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
267 static void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
268 ngx_execute_proc(ngx_cycle_t *cycle, void *data)
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
269 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
270 ngx_exec_ctx_t *ctx = data;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
271
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
272 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
diff changeset
273 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
diff changeset
274 "execve() failed while executing %s \"%s\"",
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
275 ctx->name, ctx->path);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
276 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
277
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
278 exit(1);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
279 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
280
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
281
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
282 ngx_int_t
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
283 ngx_init_signals(ngx_log_t *log)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
284 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
285 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
286 struct sigaction sa;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
287
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
288 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
289 ngx_memzero(&sa, sizeof(struct sigaction));
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
290 sa.sa_handler = sig->handler;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
291 sigemptyset(&sa.sa_mask);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
292 if (sigaction(sig->signo, &sa, NULL) == -1) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
293 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
294 "sigaction(%s) failed", sig->signame);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
295 return NGX_ERROR;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
296 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
297 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
298
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
299 return NGX_OK;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
300 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
301
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
302
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
303 void
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
304 ngx_signal_handler(int signo)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
305 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
306 char *action;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
307 ngx_int_t ignore;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
308 ngx_err_t err;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
309 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
310
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
311 ignore = 0;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
312
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
313 err = ngx_errno;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
314
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
315 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
316 if (sig->signo == signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
317 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
318 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
319 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
320
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
321 ngx_time_sigsafe_update();
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
322
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
323 action = "";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
324
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
325 switch (ngx_process) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
326
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
327 case NGX_PROCESS_MASTER:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
328 case NGX_PROCESS_SINGLE:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
329 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
330
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
331 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
332 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
333 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
334 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
335
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
336 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
337 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
338 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
339 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
340 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
341
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
342 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
4019
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
343 if (ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
344 ngx_noaccept = 1;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
345 action = ", stop accepting connections";
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
346 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
347 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
348
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
349 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
350 ngx_reconfigure = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
351 action = ", reconfiguring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
352 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
353
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
354 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
355 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
356 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
357 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
358
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
359 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
360 if (getppid() > 1 || ngx_new_binary > 0) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
361
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
362 /*
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
363 * Ignore the signal in the new binary if its parent is
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
364 * not the init process, i.e. the old binary's process
698
deb2ce14a500 fix typo
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
365 * is still running. Or ignore the signal in the old binary's
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
366 * process if the new binary's process is already running.
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
367 */
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
368
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
369 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
370 ignore = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
371 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
372 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
373
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
374 ngx_change_binary = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
375 action = ", changing binary";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
376 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
377
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
378 case SIGALRM:
3048
846d0e2fa483 twice termination delay only after SIGALRM, otherwise many separate SIGCHLD
Igor Sysoev <igor@sysoev.ru>
parents: 3045
diff changeset
379 ngx_sigalrm = 1;
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
380 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
381
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
382 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
383 ngx_sigio = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
384 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
385
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
386 case SIGCHLD:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
387 ngx_reap = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
388 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
389 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
390
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
391 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
392
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
393 case NGX_PROCESS_WORKER:
3358
f94e8ff65aa2 add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents: 3048
diff changeset
394 case NGX_PROCESS_HELPER:
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
395 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
396
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
397 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
4019
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
398 if (!ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
399 break;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
400 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
401 ngx_debug_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
402 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
403 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
404 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
405 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
406
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
407 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
408 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
409 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
410 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
411 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
412
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
413 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
414 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
415 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
416 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
417
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
418 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
419 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
420 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
421 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
422 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
423 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
424
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
425 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
426 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
427
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
428 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
429 "signal %d (%s) received%s", signo, sig->signame, action);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
430
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
431 if (ignore) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
432 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, 0,
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
433 "the changing binary signal is ignored: "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
434 "you should shutdown or terminate "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
435 "before either old or new binary's process");
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
436 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
437
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
438 if (signo == SIGCHLD) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
439 ngx_process_get_status();
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
440 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
441
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
442 ngx_set_errno(err);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
443 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
444
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
445
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
446 static void
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
447 ngx_process_get_status(void)
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
448 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
449 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
450 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
451 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
452 ngx_err_t err;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
453 ngx_int_t i;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
454 ngx_uint_t one;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
455
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
456 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
457
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
459 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
460
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
463 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
464
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
465 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
466 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
467
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
468 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
469 continue;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
470 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
471
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
472 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
473 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
474 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
475
943
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
476 #if (NGX_SOLARIS || NGX_FREEBSD)
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
477
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
478 /*
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
479 * Solaris always calls the signal handler for each exited process
943
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
480 * despite waitpid() may be already called for this process.
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
481 *
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
482 * When several processes exit at the same time FreeBSD may
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
483 * erroneously call the signal handler for exited process
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
484 * despite waitpid() may be already called for this process.
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
485 */
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
486
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
487 if (err == NGX_ECHILD) {
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
488 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, err,
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
489 "waitpid() failed");
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
490 return;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
491 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
492
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
493 #endif
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
494
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
495 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, err,
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
496 "waitpid() failed");
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
497 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
498 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
500
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501 one = 1;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
502 process = "unknown process";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
504 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
505 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
506 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
507 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
508 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
509 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
510 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
511 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
512
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
513 if (WTERMSIG(status)) {
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
514 #ifdef WCOREDUMP
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
515 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
516 "%s %P exited on signal %d%s",
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
517 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
518 WCOREDUMP(status) ? " (core dumped)" : "");
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
519 #else
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
520 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
521 "%s %P exited on signal %d",
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
522 process, pid, WTERMSIG(status));
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
523 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
524
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
525 } else {
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
526 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
527 "%s %P exited with code %d",
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
528 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
529 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
530
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
531 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
532 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
533 "%s %P exited with fatal code %d "
4133
59b99f217c6d Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents: 4019
diff changeset
534 "and cannot be respawned",
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
535 process, pid, WEXITSTATUS(status));
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
536 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
537 }
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
538
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
539 ngx_unlock_mutexes(pid);
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
540 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
541 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
542
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
543
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
544 static void
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
545 ngx_unlock_mutexes(ngx_pid_t pid)
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
546 {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
547 ngx_uint_t i;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
548 ngx_shm_zone_t *shm_zone;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
549 ngx_list_part_t *part;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
550 ngx_slab_pool_t *sp;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
551
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
552 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
553 * unlock the accept mutex if the abnormally exited process
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
554 * held it
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
555 */
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
556
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
557 if (ngx_accept_mutex_ptr) {
4315
424a1ac6af43 Added (void) as we intentionally ignore returned values.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4311
diff changeset
558 (void) ngx_shmtx_force_unlock(&ngx_accept_mutex, pid);
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
559 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
560
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
561 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
562 * unlock shared memory mutexes if held by the abnormally exited
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
563 * process
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
564 */
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
565
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
566 part = (ngx_list_part_t *) &ngx_cycle->shared_memory.part;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
567 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
568
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
569 for (i = 0; /* void */ ; i++) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
570
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
571 if (i >= part->nelts) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
572 if (part->next == NULL) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
573 break;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
574 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
575 part = part->next;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
576 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
577 i = 0;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
578 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
579
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
580 sp = (ngx_slab_pool_t *) shm_zone[i].shm.addr;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
581
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
582 if (ngx_shmtx_force_unlock(&sp->mutex, pid)) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
583 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
584 "shared memory zone \"%V\" was locked by %P",
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
585 &shm_zone[i].shm.name, pid);
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
586 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
587 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
588 }
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
589
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
590
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
591 void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
592 ngx_debug_point(void)
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
593 {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
594 ngx_core_conf_t *ccf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
595
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
596 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
597 ngx_core_module);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
598
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
599 switch (ccf->debug_points) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
600
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
601 case NGX_DEBUG_POINTS_STOP:
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
602 raise(SIGSTOP);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
603 break;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
604
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
605 case NGX_DEBUG_POINTS_ABORT:
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
606 ngx_abort();
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
607 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
608 }
2738
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
609
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
610
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
611 ngx_int_t
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
612 ngx_os_signal_process(ngx_cycle_t *cycle, char *name, ngx_int_t pid)
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
613 {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
614 ngx_signal_t *sig;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
615
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
616 for (sig = signals; sig->signo != 0; sig++) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
617 if (ngx_strcmp(name, sig->name) == 0) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
618 if (kill(pid, sig->signo) != -1) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
619 return 0;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
620 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
621
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
622 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
623 "kill(%P, %d) failed", pid, sig->signo);
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
624 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
625 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
626
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
627 return 1;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
628 }