Mercurial > hg > nginx

annotate src/os/unix/ngx_process.c @ 3016:d82993af1da0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
author Igor Sysoev <igor@sysoev.ru>
date Mon, 10 Aug 2009 13:07:15 +0000
parents ae81441e23f4
children 46b207c9dafd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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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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4 */
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5
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6
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
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9 #include <ngx_event.h>
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10 #include <ngx_channel.h>
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12
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13 typedef struct {
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14 int signo;
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15 char *signame;
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16 char *name;
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17 void (*handler)(int signo);
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18 } ngx_signal_t;
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19
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20
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21
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b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
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22 static void ngx_execute_proc(ngx_cycle_t *cycle, void *data);
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23 static void ngx_signal_handler(int signo);
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24 static void ngx_process_get_status(void);
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25
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26
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27 int ngx_argc;
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28 char **ngx_argv;
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29 char **ngx_os_argv;
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30
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31 ngx_int_t ngx_process_slot;
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32 ngx_socket_t ngx_channel;
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33 ngx_int_t ngx_last_process;
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34 ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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35
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36
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37 ngx_signal_t signals[] = {
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38 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
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39 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
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40 "reload",
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41 ngx_signal_handler },
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42
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43 { ngx_signal_value(NGX_REOPEN_SIGNAL),
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44 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
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45 "reopen",
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46 ngx_signal_handler },
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47
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48 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
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49 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
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50 "",
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51 ngx_signal_handler },
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52
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53 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
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54 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
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55 "stop",
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56 ngx_signal_handler },
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57
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58 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
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59 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
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60 "quit",
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61 ngx_signal_handler },
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62
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63 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
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64 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
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65 "",
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66 ngx_signal_handler },
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67
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68 { SIGALRM, "SIGALRM", "", ngx_signal_handler },
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69
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70 { SIGINT, "SIGINT", "", ngx_signal_handler },
539
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71
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72 { SIGIO, "SIGIO", "", ngx_signal_handler },
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73
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74 { SIGCHLD, "SIGCHLD", "", ngx_signal_handler },
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75
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76 { SIGPIPE, "SIGPIPE, SIG_IGN", "", SIG_IGN },
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77
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78 { 0, NULL, "", NULL }
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79 };
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80
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81
515
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82 ngx_pid_t
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83 ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
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84 char *name, ngx_int_t respawn)
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85 {
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86 u_long on;
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05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
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87 ngx_pid_t pid;
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88 ngx_int_t s;
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89
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90 if (respawn >= 0) {
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91 s = respawn;
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92
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
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93 } else {
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94 for (s = 0; s < ngx_last_process; s++) {
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95 if (ngx_processes[s].pid == -1) {
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96 break;
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97 }
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
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98 }
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99
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
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100 if (s == NGX_MAX_PROCESSES) {
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101 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
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102 "no more than %d processes can be spawned",
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103 NGX_MAX_PROCESSES);
543
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104 return NGX_INVALID_PID;
389
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105 }
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106 }
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107
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
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108
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109 if (respawn != NGX_PROCESS_DETACHED) {
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110
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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111 /* Solaris 9 still has no AF_LOCAL */
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112
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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113 if (socketpair(AF_UNIX, SOCK_STREAM, 0, ngx_processes[s].channel) == -1)
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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114 {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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115 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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116 "socketpair() failed while spawning \"%s\"", name);
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117 return NGX_INVALID_PID;
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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118 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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119
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120 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
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121 "channel %d:%d",
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122 ngx_processes[s].channel[0],
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123 ngx_processes[s].channel[1]);
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124
365
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125 if (ngx_nonblocking(ngx_processes[s].channel[0]) == -1) {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
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parents: 360
diff changeset
126 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
127 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
128 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
129 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
130 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
131 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
132
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
133 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
134 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
135 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
136 name);
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
137 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
138 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
139 }
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
140
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
141 on = 1;
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
142 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
143 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
144 "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
145 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
146 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
147 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
148
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
149 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
150 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
151 "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
152 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
153 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
154 }
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
155
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
156 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
157 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
158 "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
159 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
160 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
161 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
162 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
163
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
164 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
165 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
166 "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
167 name);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
168 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
169 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
170 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 365
diff changeset
171
365
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
172 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
173
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
174 } else {
fd24ba70e1b3 nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 360
diff changeset
175 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
176 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
177 }
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
178
239e37d44a34 nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 355
diff changeset
179 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
180
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 pid = fork();
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
184 switch (pid) {
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
185
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
186 case -1:
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
187 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
188 "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
189 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
190 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
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 case 0:
249
2a0540287298 nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 248
diff changeset
193 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
194 proc(cycle, data);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 break;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 default:
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
198 break;
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
201 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
202
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
203 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
204 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
205
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
206 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
207 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
208 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 318
diff changeset
210 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
211 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
212 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
213 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
214
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
215 switch (respawn) {
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
216
3016
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
217 case NGX_PROCESS_NORESPAWN:
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
218 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
219 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
220 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
221 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
222
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
223 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
224 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
225 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
226 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
227 break;
d82993af1da0 introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents: 2738
diff changeset
228
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
229 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
230 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
231 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
232 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
233 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
234
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
235 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
236 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
237 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
238 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
239 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
240
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
241 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
242 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
243 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
244 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
245 break;
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
246 }
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
247
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
248 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
249 ngx_last_process++;
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
250 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 224
diff changeset
252 return pid;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
253 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
254
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
255
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
256 ngx_pid_t
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
257 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
258 {
279
b79f021a644a nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 272
diff changeset
259 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
260 NGX_PROCESS_DETACHED);
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
264 static void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
265 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
266 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
267 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
268
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
269 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
270 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
271 "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
272 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
273 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
274
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
275 exit(1);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
276 }
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
277
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
278
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
279 ngx_int_t
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
280 ngx_init_signals(ngx_log_t *log)
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
281 {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
282 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
283 struct sigaction sa;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
284
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
285 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
286 ngx_memzero(&sa, sizeof(struct sigaction));
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
287 sa.sa_handler = sig->handler;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
288 sigemptyset(&sa.sa_mask);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
289 if (sigaction(sig->signo, &sa, NULL) == -1) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
290 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
291 "sigaction(%s) failed", sig->signame);
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
292 return NGX_ERROR;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
293 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
294 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
295
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
296 return NGX_OK;
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
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
300 void
539
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
301 ngx_signal_handler(int signo)
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 char *action;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
304 ngx_int_t ignore;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
305 ngx_err_t err;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
306 ngx_signal_t *sig;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
307
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
308 ignore = 0;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
309
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
310 err = ngx_errno;
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 for (sig = signals; sig->signo != 0; sig++) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
313 if (sig->signo == signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
314 break;
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
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
318 ngx_time_update(0, 0);
539
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 action = "";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
321
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
322 switch (ngx_process) {
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 case NGX_PROCESS_MASTER:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
325 case NGX_PROCESS_SINGLE:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
326 switch (signo) {
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_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
329 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
330 action = ", shutting down";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
331 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
332
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
333 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
334 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
335 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
336 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
337 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
338
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
339 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
340 ngx_noaccept = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
341 action = ", stop accepting connections";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
342 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
343
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
344 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
345 ngx_reconfigure = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
346 action = ", reconfiguring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
347 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
348
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
349 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
350 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
351 action = ", reopening logs";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
352 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
353
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
354 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
355 if (getppid() > 1 || ngx_new_binary > 0) {
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 /*
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
358 * 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
359 * not the init process, i.e. the old binary's process
698
deb2ce14a500 fix typo
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
360 * 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
361 * 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
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 action = ", ignoring";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
365 ignore = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
366 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
367 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
368
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
369 ngx_change_binary = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
370 action = ", changing binary";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
371 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
372
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
373 case SIGALRM:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
374 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
375
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
376 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
377 ngx_sigio = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
378 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
379
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
380 case SIGCHLD:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
381 ngx_reap = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
382 break;
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
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 NGX_PROCESS_WORKER:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
388 switch (signo) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
389
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
390 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
391 ngx_debug_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
392 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
393 ngx_quit = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
394 action = ", shutting down";
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 ngx_signal_value(NGX_TERMINATE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
398 case SIGINT:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
399 ngx_terminate = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
400 action = ", exiting";
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
401 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
402
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
403 case ngx_signal_value(NGX_REOPEN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
404 ngx_reopen = 1;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
405 action = ", reopening logs";
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_RECONFIGURE_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
409 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
410 case SIGIO:
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
411 action = ", ignoring";
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
415 break;
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
416 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
417
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
418 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
419 "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
420
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
421 if (ignore) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
422 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
423 "the changing binary signal is ignored: "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
424 "you should shutdown or terminate "
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
425 "before either old or new binary's process");
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
426 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
427
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
428 if (signo == SIGCHLD) {
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
429 ngx_process_get_status();
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
430 }
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
431
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
432 ngx_set_errno(err);
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
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
435
371c1cee100d nginx-0.1.44-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 515
diff changeset
436 static void
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
437 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
438 {
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
439 int status;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
440 char *process;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
441 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
442 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
443 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
444 ngx_uint_t one;
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
445
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
446 one = 0;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
447
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
448 for ( ;; ) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
449 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
450
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
451 if (pid == 0) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
452 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
453 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
454
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
455 if (pid == -1) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
456 err = ngx_errno;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
457
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458 if (err == NGX_EINTR) {
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
459 continue;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462 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
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
943
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
466 #if (NGX_SOLARIS || NGX_FREEBSD)
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
467
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
468 /*
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
469 * 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
470 * 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
471 *
cbe0292e53b3 lower the log level of the waitpid() ENOCHILD error on FreeBSD
Igor Sysoev <igor@sysoev.ru>
parents: 698
diff changeset
472 * 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
473 * erroneously call the signal handler for exited process
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
474 * 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
475 */
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
476
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
477 if (err == NGX_ECHILD) {
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
478 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, errno,
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
479 "waitpid() failed");
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
480 return;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
481 }
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
482
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
483 #endif
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
484
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
485 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, errno,
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
486 "waitpid() failed");
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
487
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
488 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
489 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
490
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
491
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
492 if (ngx_accept_mutex_ptr) {
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
493
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
494 /*
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
495 * unlock the accept mutex if the abnormally exited process
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
496 * held it
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
497 */
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
498
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
499 ngx_atomic_cmp_set(ngx_accept_mutex_ptr, pid, 0);
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
500 }
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
501
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 279
diff changeset
502
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503 one = 1;
389
537de4dca8ca nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
504 process = "unknown process";
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
505
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
506 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
507 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
508 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
509 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
510 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
511 break;
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
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
515 if (WTERMSIG(status)) {
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
516 #ifdef WCOREDUMP
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
517 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
518 "%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
519 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
520 WCOREDUMP(status) ? " (core dumped)" : "");
2494
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
521 #else
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
522 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
523 "%s %P exited on signal %d",
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
524 process, pid, WTERMSIG(status));
693132294e21 AIX has no WCOREDUMP()
Igor Sysoev <igor@sysoev.ru>
parents: 1963
diff changeset
525 #endif
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
526
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
527 } else {
477
ad1e9ebf93bb nginx-0.1.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
528 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
529 "%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
530 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
531 }
234
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
532
cd71b95716b4 nginx-0.0.1-2004-01-20-23:40:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 227
diff changeset
533 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
534 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0,
1963
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
535 "%s %P exited with fatal code %d "
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
536 "and can not be respawn",
957085b56da3 grammar fix
Igor Sysoev <igor@sysoev.ru>
parents: 943
diff changeset
537 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
538 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
539 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
540 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
541 }
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
542
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
543
515
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
544 void
417a087c9c4d nginx-0.1.32-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
545 ngx_debug_point(void)
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
546 {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
547 ngx_core_conf_t *ccf;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
548
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
549 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
550 ngx_core_module);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
551
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
552 switch (ccf->debug_points) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
553
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
554 case NGX_DEBUG_POINTS_STOP:
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
555 raise(SIGSTOP);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
556 break;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
557
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
558 case NGX_DEBUG_POINTS_ABORT:
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
559 ngx_abort();
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
560 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
561 }
2738
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
562
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
563
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
564 ngx_int_t
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
565 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
566 {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
567 ngx_signal_t *sig;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
568
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
569 for (sig = signals; sig->signo != 0; sig++) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
570 if (ngx_strcmp(name, sig->name) == 0) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
571 if (kill(pid, sig->signo) != -1) {
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
572 return 0;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
573 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
574
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
575 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
576 "kill(%P, %d) failed", pid, sig->signo);
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
577 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
578 }
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
579
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
580 return 1;
ae81441e23f4 implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents: 2494
diff changeset
581 }