Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 7660:d33e17499088

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 8b84d60ef13d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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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
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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
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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parents:
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7
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
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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>
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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>
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71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
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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
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371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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14 typedef struct {
3681
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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>
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17 char *name;
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23ecffd5bcfe Core: signal sender pid logging.
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parents: 6932
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18 void (*handler)(int signo, siginfo_t *siginfo, void *ucontext);
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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21
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22
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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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23 static void ngx_execute_proc(ngx_cycle_t *cycle, void *data);
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24 static void ngx_signal_handler(int signo, siginfo_t *siginfo, void *ucontext);
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
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);
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
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27
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28
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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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>
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31 char **ngx_os_argv;
23fb87bddda1 nginx-0.1.1-RELEASE import
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32
23fb87bddda1 nginx-0.1.1-RELEASE import
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33 ngx_int_t ngx_process_slot;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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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>
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36 ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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parents:
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37
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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38
539
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Igor Sysoev <igor@sysoev.ru>
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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
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parents: 515
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41 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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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
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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
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50 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
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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
371c1cee100d nginx-0.1.44-RELEASE import
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
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61 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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ae81441e23f4 implement "-s signal" option for Unix
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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ae81441e23f4 implement "-s signal" option for Unix
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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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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parents: 2494
diff changeset
74 { SIGIO, "SIGIO", "", ngx_signal_handler },
539
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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
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23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
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78 { SIGSYS, "SIGSYS, SIG_IGN", "", NULL },
3045
46b207c9dafd ignore SIGSYS
Igor Sysoev <igor@sysoev.ru>
parents: 3016
diff changeset
79
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Igor Sysoev <igor@sysoev.ru>
parents: 6932
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80 { SIGPIPE, "SIGPIPE, SIG_IGN", "", NULL },
539
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Igor Sysoev <igor@sysoev.ru>
parents: 515
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81
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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
diff changeset
90 u_long on;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
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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
diff changeset
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
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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
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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
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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:
7162
8b84d60ef13d Fixed "changing binary" when reaper is not init.
Ruslan Ermilov <ru@nginx.com>
parents: 6994
diff changeset
197 ngx_parent = ngx_pid;
249
2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 248
diff changeset
198 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
199 proc(cycle, data);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 break;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 default:
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
203 break;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
206 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
207
354
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].pid = pid;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
209 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
210
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
211 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
212 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
213 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
354
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].proc = proc;
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].data = data;
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].name = name;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
218 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
219
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
220 switch (respawn) {
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
221
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
222 case NGX_PROCESS_NORESPAWN:
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
223 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
224 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
225 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
226 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
227
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
228 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
229 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
230 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
231 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
232 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
233
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
234 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
235 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
236 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
237 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
238 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
239
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
240 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
241 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
242 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
243 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
244 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
245
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
246 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
247 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
248 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
249 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
250 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
251 }
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
252
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
253 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
254 ngx_last_process++;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
255 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 224
diff changeset
257 return pid;
218
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
260
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
261 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
262 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
263 {
279
b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
264 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
265 NGX_PROCESS_DETACHED);
191
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
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
269 static void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
270 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
271 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
272 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
273
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
274 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
275 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
276 "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
277 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
278 }
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 exit(1);
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
283
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
284 ngx_int_t
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
285 ngx_init_signals(ngx_log_t *log)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
286 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
287 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
288 struct sigaction sa;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
289
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
290 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
291 ngx_memzero(&sa, sizeof(struct sigaction));
6985
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
292
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
293 if (sig->handler) {
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
294 sa.sa_sigaction = sig->handler;
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
295 sa.sa_flags = SA_SIGINFO;
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
296
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
297 } else {
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
298 sa.sa_handler = SIG_IGN;
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
299 }
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
300
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
301 sigemptyset(&sa.sa_mask);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
302 if (sigaction(sig->signo, &sa, NULL) == -1) {
5244
593d344999f5 Valgrind: sigaction() failure now ignored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4889
diff changeset
303 #if (NGX_VALGRIND)
593d344999f5 Valgrind: sigaction() failure now ignored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4889
diff changeset
304 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
593d344999f5 Valgrind: sigaction() failure now ignored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4889
diff changeset
305 "sigaction(%s) failed, ignored", sig->signame);
593d344999f5 Valgrind: sigaction() failure now ignored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4889
diff changeset
306 #else
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
307 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
308 "sigaction(%s) failed", sig->signame);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
309 return NGX_ERROR;
5244
593d344999f5 Valgrind: sigaction() failure now ignored.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4889
diff changeset
310 #endif
539
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 }
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 return NGX_OK;
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
317
6932
e54c336d95aa Added missing "static" specifier found by gcc -Wtraditional.
Ruslan Ermilov <ru@nginx.com>
parents: 6483
diff changeset
318 static void
6985
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
319 ngx_signal_handler(int signo, siginfo_t *siginfo, void *ucontext)
539
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 char *action;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
322 ngx_int_t ignore;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
323 ngx_err_t err;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
324 ngx_signal_t *sig;
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 ignore = 0;
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 err = ngx_errno;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
329
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
330 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
331 if (sig->signo == signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
332 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
333 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
334 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
335
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
336 ngx_time_sigsafe_update();
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
337
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
338 action = "";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
339
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
340 switch (ngx_process) {
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_PROCESS_MASTER:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
343 case NGX_PROCESS_SINGLE:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
344 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
345
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
346 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
347 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
348 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
349 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
350
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
351 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
352 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
353 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
354 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
355 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
356
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
357 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
358 if (ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
359 ngx_noaccept = 1;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
360 action = ", stop accepting connections";
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
361 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
362 break;
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 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
365 ngx_reconfigure = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
366 action = ", reconfiguring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
367 break;
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 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
370 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
371 action = ", reopening logs";
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 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
7162
8b84d60ef13d Fixed "changing binary" when reaper is not init.
Ruslan Ermilov <ru@nginx.com>
parents: 6994
diff changeset
375 if (ngx_getppid() == ngx_parent || ngx_new_binary > 0) {
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
376
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 * Ignore the signal in the new binary if its parent is
7162
8b84d60ef13d Fixed "changing binary" when reaper is not init.
Ruslan Ermilov <ru@nginx.com>
parents: 6994
diff changeset
379 * not changed, i.e. the old binary's process is still
8b84d60ef13d Fixed "changing binary" when reaper is not init.
Ruslan Ermilov <ru@nginx.com>
parents: 6994
diff changeset
380 * 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
381 * 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
382 */
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
383
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
384 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
385 ignore = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
386 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
387 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
388
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
389 ngx_change_binary = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
390 action = ", changing binary";
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 SIGALRM:
3048
846d0e2fa483 twice termination delay only after SIGALRM, otherwise many separate SIGCHLD
Igor Sysoev <igor@sysoev.ru>
parents: 3045
diff changeset
394 ngx_sigalrm = 1;
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
395 break;
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 SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
398 ngx_sigio = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
399 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
400
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
401 case SIGCHLD:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
402 ngx_reap = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
403 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
404 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
405
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_PROCESS_WORKER:
3358
f94e8ff65aa2 add NGX_PROCESS_HELPER process status
Igor Sysoev <igor@sysoev.ru>
parents: 3048
diff changeset
409 case NGX_PROCESS_HELPER:
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
410 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
411
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
412 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
413 if (!ngx_daemonized) {
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
414 break;
5364d2e711cc SIGWINCH/NOACCEPT signal is disabled now in non-daemon mode.
Igor Sysoev <igor@sysoev.ru>
parents: 3787
diff changeset
415 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
416 ngx_debug_quit = 1;
6994
f38647c651a8 Added missing "fall through" comments (ticket #1259).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6985
diff changeset
417 /* fall through */
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
418 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
419 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
420 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
421 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
422
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
423 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
424 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
425 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
426 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
427 break;
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 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
430 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
431 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
432 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
433
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
434 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
435 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
436 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
437 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
438 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
439 }
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 break;
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
6985
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
444 if (siginfo && siginfo->si_pid) {
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
445 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
446 "signal %d (%s) received from %P%s",
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
447 signo, sig->signame, siginfo->si_pid, action);
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
448
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
449 } else {
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
450 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0,
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
451 "signal %d (%s) received%s",
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
452 signo, sig->signame, action);
23ecffd5bcfe Core: signal sender pid logging.
Igor Sysoev <igor@sysoev.ru>
parents: 6932
diff changeset
453 }
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
454
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
455 if (ignore) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
456 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
457 "the changing binary signal is ignored: "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
458 "you should shutdown or terminate "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
459 "before either old or new binary's process");
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
460 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
461
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
462 if (signo == SIGCHLD) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
463 ngx_process_get_status();
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
464 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
465
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
466 ngx_set_errno(err);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
467 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
468
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
469
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
470 static void
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
471 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
472 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
473 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
474 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
475 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
476 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
477 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
478 ngx_uint_t one;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
479
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
480 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
481
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
482 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
483 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
484
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
485 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
486 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
487 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
488
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
489 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
490 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
491
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
492 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
493 continue;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
494 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
495
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
496 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
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
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
500 /*
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
501 * 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
502 * 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
503 *
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
504 * 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
505 * erroneously call the signal handler for exited process
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
506 * 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
507 */
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
508
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
509 if (err == NGX_ECHILD) {
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
510 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
511 "waitpid() failed");
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
512 return;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
513 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
514
3787
e294f37401c0 use copied strerror() messages and autoconfigured sys_nerr value
Igor Sysoev <igor@sysoev.ru>
parents: 3681
diff changeset
515 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
516 "waitpid() failed");
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
517 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
518 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
519
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
520
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
521 one = 1;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
522 process = "unknown process";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
523
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
524 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
525 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
526 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
527 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
528 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
529 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
530 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
531 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
532
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
533 if (WTERMSIG(status)) {
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
534 #ifdef WCOREDUMP
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
535 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
536 "%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
537 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
538 WCOREDUMP(status) ? " (core dumped)" : "");
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
539 #else
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
540 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
541 "%s %P exited on signal %d",
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
542 process, pid, WTERMSIG(status));
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
543 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
544
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
545 } else {
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
546 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
547 "%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
548 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
549 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
550
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
551 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
552 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
553 "%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
554 "and cannot be respawned",
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
555 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
556 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
557 }
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
558
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
559 ngx_unlock_mutexes(pid);
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
564 static void
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
565 ngx_unlock_mutexes(ngx_pid_t pid)
4522
14411ee4d89f Whitespace fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
566 {
4311
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
567 ngx_uint_t i;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
568 ngx_shm_zone_t *shm_zone;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
569 ngx_list_part_t *part;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
570 ngx_slab_pool_t *sp;
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 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
573 * 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
574 * held it
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
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
577 if (ngx_accept_mutex_ptr) {
4315
424a1ac6af43 Added (void) as we intentionally ignore returned values.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4311
diff changeset
578 (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
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 /*
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
582 * 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
583 * process
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
584 */
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
585
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
586 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
587 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
588
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
589 for (i = 0; /* void */ ; i++) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
590
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
591 if (i >= part->nelts) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
592 if (part->next == NULL) {
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
593 break;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
594 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
595 part = part->next;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
596 shm_zone = part->elts;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
597 i = 0;
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
598 }
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
599
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
600 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
601
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
602 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
603 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
604 "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
605 &shm_zone[i].shm.name, pid);
45272aab5eea Unlock of shared memory zones on process crash.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4309
diff changeset
606 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
607 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
608 }
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
609
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
610
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
611 void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
612 ngx_debug_point(void)
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
613 {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
614 ngx_core_conf_t *ccf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
615
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
616 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
617 ngx_core_module);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
618
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
619 switch (ccf->debug_points) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
620
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
621 case NGX_DEBUG_POINTS_STOP:
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
622 raise(SIGSTOP);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
623 break;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
624
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
625 case NGX_DEBUG_POINTS_ABORT:
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
626 ngx_abort();
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
627 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
628 }
2738
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
629
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
630
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
631 ngx_int_t
6483
3a50ccd94333 Fixed ngx_os_signal_process() prototype.
Ruslan Ermilov <ru@nginx.com>
parents: 6482
diff changeset
632 ngx_os_signal_process(ngx_cycle_t *cycle, char *name, ngx_pid_t pid)
2738
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
633 {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
634 ngx_signal_t *sig;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
635
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
636 for (sig = signals; sig->signo != 0; sig++) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
637 if (ngx_strcmp(name, sig->name) == 0) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
638 if (kill(pid, sig->signo) != -1) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
639 return 0;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
640 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
641
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
642 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
6483
3a50ccd94333 Fixed ngx_os_signal_process() prototype.
Ruslan Ermilov <ru@nginx.com>
parents: 6482
diff changeset
643 "kill(%P, %d) failed", pid, sig->signo);
2738
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
644 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
645 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
646
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
647 return 1;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
648 }