Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 4522:14411ee4d89f

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Whitespace fixes.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 05 Mar 2012 18:09:06 +0000
parents d620f497c50f
children a50ed82f19e4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4315
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4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 391
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 391
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6
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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9 #include <ngx_core.h>
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
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10 #include <ngx_event.h>
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
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11 #include <ngx_channel.h>
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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12
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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13
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
14 typedef struct {
3681
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Igor Sysoev <igor@sysoev.ru>
parents: 3475
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15 int signo;
81677b7cdb2a style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3475
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16 char *signame;
81677b7cdb2a style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3475
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17 char *name;
81677b7cdb2a style fix
Igor Sysoev <igor@sysoev.ru>
parents: 3475
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18 void (*handler)(int signo);
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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19 } ngx_signal_t;
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20
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parents: 515
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21
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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22
279
b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
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23 static void ngx_execute_proc(ngx_cycle_t *cycle, void *data);
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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24 static void ngx_signal_handler(int signo);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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25 static void ngx_process_get_status(void);
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
26 static void ngx_unlock_mutexes(ngx_pid_t pid);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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27
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23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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28
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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29 int ngx_argc;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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30 char **ngx_argv;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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31 char **ngx_os_argv;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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32
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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33 ngx_int_t ngx_process_slot;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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34 ngx_socket_t ngx_channel;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
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35 ngx_int_t ngx_last_process;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
36 ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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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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37
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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38
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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39 ngx_signal_t signals[] = {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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40 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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41 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
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42 "reload",
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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43 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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44
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
45 { ngx_signal_value(NGX_REOPEN_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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46 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
47 "reopen",
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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48 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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49
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
50 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
51 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
52 "",
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
53 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
54
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
55 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
56 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
57 "stop",
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
58 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
59
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
60 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
61 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
62 "quit",
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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63 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
64
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
65 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
66 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
67 "",
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
68 ngx_signal_handler },
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
69
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ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
70 { SIGALRM, "SIGALRM", "", ngx_signal_handler },
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
71
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ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
72 { SIGINT, "SIGINT", "", ngx_signal_handler },
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
73
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
74 { SIGIO, "SIGIO", "", ngx_signal_handler },
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
75
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ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
76 { SIGCHLD, "SIGCHLD", "", ngx_signal_handler },
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
77
3045
46b207c9dafd ignore SIGSYS
Igor Sysoev <igor@sysoev.ru>
parents: 3016
diff changeset
78 { SIGSYS, "SIGSYS, SIG_IGN", "", SIG_IGN },
46b207c9dafd ignore SIGSYS
Igor Sysoev <igor@sysoev.ru>
parents: 3016
diff changeset
79
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Igor Sysoev <igor@sysoev.ru>
parents: 2494
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80 { SIGPIPE, "SIGPIPE, SIG_IGN", "", SIG_IGN },
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
81
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Igor Sysoev <igor@sysoev.ru>
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82 { 0, NULL, "", NULL }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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83 };
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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84
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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85
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
86 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
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87 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
diff changeset
88 char *name, ngx_int_t respawn)
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
89 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
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90 u_long on;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
91 ngx_pid_t pid;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
92 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
93
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
94 if (respawn >= 0) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
95 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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96
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
97 } else {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
98 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
99 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
diff changeset
100 break;
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
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
104 if (s == NGX_MAX_PROCESSES) {
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
105 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
diff changeset
106 "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
diff changeset
107 NGX_MAX_PROCESSES);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
108 return NGX_INVALID_PID;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
109 }
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
110 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
111
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
112
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
113 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
114
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
115 /* 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
116
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
117 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
118 {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
119 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
120 "socketpair() failed while spawning \"%s\"", name);
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 539
diff changeset
121 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
122 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
123
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
124 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
125 "channel %d:%d",
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[0],
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
127 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
128
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
129 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
130 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
131 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
132 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
133 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
134 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
135 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
136
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
137 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
138 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
139 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
140 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
141 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
142 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
143 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
144
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
145 on = 1;
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
146 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
147 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
148 "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
149 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
150 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
151 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
152
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
153 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
154 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
155 "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
156 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
157 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
158 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
159
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
160 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
161 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
162 "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
163 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
164 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
165 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
166 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
167
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
168 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
169 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
170 "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
171 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
172 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
173 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
174 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
175
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
176 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
177
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
178 } else {
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[0] = -1;
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
180 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
181 }
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
182
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
183 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
184
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 pid = fork();
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
188 switch (pid) {
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
189
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
190 case -1:
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
191 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
192 "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
193 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
194 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
195
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 case 0:
249
2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 248
diff changeset
197 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
198 proc(cycle, data);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 break;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 default:
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
202 break;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
205 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
206
354
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].pid = pid;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
208 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
209
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
210 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
211 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
212 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
354
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].proc = proc;
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].data = data;
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].name = name;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
217 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
218
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
219 switch (respawn) {
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
220
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
221 case NGX_PROCESS_NORESPAWN:
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
222 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
223 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
224 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
225 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
226
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
227 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
228 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
229 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
230 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
231 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
232
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
233 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
234 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
235 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
236 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
237 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
238
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
239 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
240 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
241 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
242 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
243 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
244
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
245 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
246 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
247 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
248 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
249 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
250 }
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
251
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
252 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
253 ngx_last_process++;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
254 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 224
diff changeset
256 return pid;
218
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
259
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
260 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
261 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
262 {
279
b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
263 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
264 NGX_PROCESS_DETACHED);
191
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
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
268 static void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
269 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
270 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
271 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
272
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
273 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
274 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
275 "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
276 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
277 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
278
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
279 exit(1);
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
282
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
283 ngx_int_t
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
284 ngx_init_signals(ngx_log_t *log)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
285 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
286 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
287 struct sigaction sa;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
288
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
289 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
290 ngx_memzero(&sa, sizeof(struct sigaction));
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
291 sa.sa_handler = sig->handler;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
292 sigemptyset(&sa.sa_mask);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
293 if (sigaction(sig->signo, &sa, NULL) == -1) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
294 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
295 "sigaction(%s) failed", sig->signame);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
296 return NGX_ERROR;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
300 return NGX_OK;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
303
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
304 void
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
305 ngx_signal_handler(int signo)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
306 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
307 char *action;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
308 ngx_int_t ignore;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
309 ngx_err_t err;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
310 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
311
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
312 ignore = 0;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
313
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
314 err = ngx_errno;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
315
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
316 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
317 if (sig->signo == signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
318 break;
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 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
321
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
322 ngx_time_sigsafe_update();
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
323
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
324 action = "";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
325
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
326 switch (ngx_process) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
327
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
328 case NGX_PROCESS_MASTER:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
329 case NGX_PROCESS_SINGLE:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
330 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
331
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
332 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
333 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
334 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
335 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
336
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
337 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
338 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
339 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
340 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
341 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
342
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
343 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
344 if (ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
345 ngx_noaccept = 1;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
346 action = ", stop accepting connections";
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
347 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
348 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
349
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
350 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
351 ngx_reconfigure = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
352 action = ", reconfiguring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
353 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
354
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
355 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
356 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
357 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
358 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
359
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
360 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
361 if (getppid() > 1 || ngx_new_binary > 0) {
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 /*
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
364 * 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
365 * not the init process, i.e. the old binary's process
698
deb2ce14a500 fix typo
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
366 * 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
367 * 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
368 */
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
369
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
370 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
371 ignore = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
372 break;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
375 ngx_change_binary = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
376 action = ", changing binary";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
377 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
378
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
379 case SIGALRM:
3048
846d0e2fa483 twice termination delay only after SIGALRM, otherwise many separate SIGCHLD
Igor Sysoev <igor@sysoev.ru>
parents: 3045
diff changeset
380 ngx_sigalrm = 1;
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
381 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
382
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
383 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
384 ngx_sigio = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
385 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
386
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
387 case SIGCHLD:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
388 ngx_reap = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
389 break;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
392 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
393
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
394 case NGX_PROCESS_WORKER:
3358
f94e8ff65aa2 add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents: 3048
diff changeset
395 case NGX_PROCESS_HELPER:
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
396 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
397
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
398 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
399 if (!ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
400 break;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
401 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
402 ngx_debug_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
403 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
404 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
405 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
406 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
407
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
408 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
409 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
410 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
411 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
412 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
413
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
414 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
415 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
416 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
417 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
418
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
419 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
420 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
421 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
422 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
423 break;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
426 break;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
429 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
430 "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
431
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
432 if (ignore) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
433 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
434 "the changing binary signal is ignored: "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
435 "you should shutdown or terminate "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
436 "before either old or new binary's process");
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
439 if (signo == SIGCHLD) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
440 ngx_process_get_status();
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
443 ngx_set_errno(err);
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
447 static void
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
448 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
449 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
450 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
451 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
452 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
453 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
454 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
455 ngx_uint_t one;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
456
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
457 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
459 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460 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
461
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
463 return;
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
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
466 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
467 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
468
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
469 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
470 continue;
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
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
473 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
474 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
475 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
476
943
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
477 #if (NGX_SOLARIS || NGX_FREEBSD)
452
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 /*
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
480 * 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
481 * 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
482 *
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
483 * 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
484 * erroneously call the signal handler for exited process
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
485 * 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
486 */
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
487
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
488 if (err == NGX_ECHILD) {
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
489 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
490 "waitpid() failed");
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
491 return;
452
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
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
494 #endif
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
495
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
496 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
497 "waitpid() failed");
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
498 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
500
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
501
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
502 one = 1;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
503 process = "unknown process";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
504
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
505 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
506 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
507 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
508 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
509 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
510 break;
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
514 if (WTERMSIG(status)) {
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
515 #ifdef WCOREDUMP
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
516 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
517 "%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
518 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
519 WCOREDUMP(status) ? " (core dumped)" : "");
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
520 #else
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
521 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
522 "%s %P exited on signal %d",
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
523 process, pid, WTERMSIG(status));
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
524 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
525
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
526 } else {
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
527 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
528 "%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
529 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
530 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
531
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
532 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
533 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
534 "%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
535 "and cannot be respawned",
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
536 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
537 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
538 }
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
539
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
540 ngx_unlock_mutexes(pid);
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
545 static void
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
546 ngx_unlock_mutexes(ngx_pid_t pid)
4522
14411ee4d89f Whitespace fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
547 {
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
548 ngx_uint_t i;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
549 ngx_shm_zone_t *shm_zone;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
550 ngx_list_part_t *part;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
551 ngx_slab_pool_t *sp;
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 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
554 * 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
555 * held it
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
558 if (ngx_accept_mutex_ptr) {
4315
424a1ac6af43 Added (void) as we intentionally ignore returned values.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4311
diff changeset
559 (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
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 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
563 * 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
564 * process
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
567 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
568 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
569
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
570 for (i = 0; /* void */ ; i++) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
571
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
572 if (i >= part->nelts) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
573 if (part->next == NULL) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
574 break;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
575 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
576 part = part->next;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
577 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
578 i = 0;
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
581 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
582
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
583 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
584 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
585 "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
586 &shm_zone[i].shm.name, pid);
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
587 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
588 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
589 }
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
590
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
591
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
592 void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
593 ngx_debug_point(void)
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
594 {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
595 ngx_core_conf_t *ccf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
596
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
597 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
598 ngx_core_module);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
599
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
600 switch (ccf->debug_points) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
601
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
602 case NGX_DEBUG_POINTS_STOP:
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
603 raise(SIGSTOP);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
604 break;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
605
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
606 case NGX_DEBUG_POINTS_ABORT:
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
607 ngx_abort();
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
608 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
609 }
2738
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
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
612 ngx_int_t
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
613 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
614 {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
615 ngx_signal_t *sig;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
616
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
617 for (sig = signals; sig->signo != 0; sig++) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
618 if (ngx_strcmp(name, sig->name) == 0) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
619 if (kill(pid, sig->signo) != -1) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
620 return 0;
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
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
623 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
624 "kill(%P, %d) failed", pid, sig->signo);
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
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
628 return 1;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
629 }