Mercurial > hg > nginx
annotate src/os/unix/ngx_process.c @ 461:a88a3e4e158f release-0.1.5
nginx-0.1.5-RELEASE import
*) Bugfix: on Solaris and Linux there may be too many "recvmsg()
returned not enough data" alerts.
*) Bugfix: there were the "writev() failed (22: Invalid argument)"
errors on Solaris in proxy mode without sendfile. On other platforms
that do not support sendfile at all the process got caught in an
endless loop.
*) Bugfix: segmentation fault on Solaris in proxy mode and using
sendfile.
*) Bugfix: segmentation fault on Solaris.
*) Bugfix: on-line upgrade did not work on Linux.
*) Bugfix: the ngx_http_autoindex_module module did not escape the
spaces, the quotes, and the percent signs in the directory listing.
*) Change: the decrease of the copy operations.
*) Feature: the userid_p3p directive.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 11 Nov 2004 14:07:14 +0000 |
parents | 295d97d70c69 |
children | ad1e9ebf93bb |
rev | line source |
---|---|
441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_channel.h> |
191
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11 |
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12 |
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13 static void ngx_execute_proc(ngx_cycle_t *cycle, void *data); |
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14 |
452 | 15 |
16 int ngx_argc; | |
17 char **ngx_argv; | |
18 char **ngx_os_argv; | |
19 | |
20 ngx_int_t ngx_process_slot; | |
21 ngx_socket_t ngx_channel; | |
22 ngx_int_t ngx_last_process; | |
23 ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; | |
191
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24 |
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26 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle, |
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27 ngx_spawn_proc_pt proc, void *data, |
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28 char *name, ngx_int_t respawn) |
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29 { |
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30 u_long on; |
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31 ngx_pid_t pid; |
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32 ngx_int_t s; |
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33 |
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34 if (respawn >= 0) { |
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35 s = respawn; |
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36 |
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37 } else { |
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38 for (s = 0; s < ngx_last_process; s++) { |
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39 if (ngx_processes[s].pid == -1) { |
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40 break; |
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41 } |
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42 } |
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43 |
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44 if (s == NGX_MAX_PROCESSES) { |
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45 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
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46 "no more than %d processes can be spawned", |
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47 NGX_MAX_PROCESSES); |
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48 return NGX_ERROR; |
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49 } |
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50 } |
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51 |
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52 |
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53 if (respawn != NGX_PROCESS_DETACHED) { |
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54 |
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55 /* Solaris 9 still has no AF_LOCAL */ |
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56 |
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57 if (socketpair(AF_UNIX, SOCK_STREAM, 0, ngx_processes[s].channel) == -1) |
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58 { |
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59 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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60 "socketpair() failed while spawning \"%s\"", name); |
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61 return NGX_ERROR; |
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62 } |
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63 |
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64 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
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65 "channel %d:%d", |
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66 ngx_processes[s].channel[0], |
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67 ngx_processes[s].channel[1]); |
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68 |
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69 if (ngx_nonblocking(ngx_processes[s].channel[0]) == -1) { |
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70 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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71 ngx_nonblocking_n " failed while spawning \"%s\"", |
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72 name); |
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73 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
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74 return NGX_ERROR; |
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75 } |
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76 |
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77 if (ngx_nonblocking(ngx_processes[s].channel[1]) == -1) { |
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78 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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79 ngx_nonblocking_n " failed while spawning \"%s\"", |
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80 name); |
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81 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
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82 return NGX_ERROR; |
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83 } |
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84 |
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85 on = 1; |
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86 if (ioctl(ngx_processes[s].channel[0], FIOASYNC, &on) == -1) { |
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87 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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88 "ioctl(FIOASYNC) failed while spawning \"%s\"", name); |
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89 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
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90 return NGX_ERROR; |
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91 } |
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92 |
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93 if (fcntl(ngx_processes[s].channel[0], F_SETOWN, ngx_pid) == -1) { |
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94 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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95 "fcntl(F_SETOWN) failed while spawning \"%s\"", name); |
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96 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
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97 return NGX_ERROR; |
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98 } |
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99 |
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100 if (fcntl(ngx_processes[s].channel[0], F_SETFD, FD_CLOEXEC) == -1) { |
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101 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
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102 "fcntl(FD_CLOEXEC) failed while spawning \"%s\"", |
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103 name); |
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104 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
105 return NGX_ERROR; |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
106 } |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
107 |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
108 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
|
109 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
|
110 "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
|
111 name); |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
112 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
113 return NGX_ERROR; |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
114 } |
e411b1482ee3
nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
365
diff
changeset
|
115 |
365
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
360
diff
changeset
|
116 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
|
117 |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
360
diff
changeset
|
118 } else { |
fd24ba70e1b3
nginx-0.0.7-2004-06-23-09:54:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
360
diff
changeset
|
119 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
|
120 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
|
121 } |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
122 |
239e37d44a34
nginx-0.0.7-2004-06-18-20:22:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
123 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
|
124 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 pid = fork(); |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
128 switch (pid) { |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
129 |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
130 case -1: |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
131 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
|
132 "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
|
133 ngx_close_channel(ngx_processes[s].channel, cycle->log); |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 return NGX_ERROR; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 case 0: |
249
2a0540287298
nginx-0.0.2-2004-02-03-19:43:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
248
diff
changeset
|
137 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
|
138 proc(cycle, data); |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 break; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 default: |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
142 break; |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 } |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
145 ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0, |
461 | 146 "spawn %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
|
147 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
148 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
|
149 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
|
150 |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
151 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
|
152 return pid; |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
153 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
155 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
|
156 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
|
157 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
|
158 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
|
159 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
160 switch (respawn) { |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
161 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
162 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
|
163 ngx_processes[s].respawn = 1; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
164 ngx_processes[s].just_respawn = 0; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
165 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
|
166 break; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
167 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
168 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
|
169 ngx_processes[s].respawn = 1; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
170 ngx_processes[s].just_respawn = 1; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
171 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
|
172 break; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
173 |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
174 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
|
175 ngx_processes[s].respawn = 0; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
176 ngx_processes[s].just_respawn = 0; |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
177 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
|
178 break; |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
179 } |
56496082668b
nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
180 |
389
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
366
diff
changeset
|
181 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
|
182 ngx_last_process++; |
537de4dca8ca
nginx-0.0.7-2004-07-13-21:59:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
366
diff
changeset
|
183 } |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 |
225
2e9a8a14a0cf
nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
224
diff
changeset
|
185 return pid; |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
186 } |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
187 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
188 |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
272
diff
changeset
|
189 ngx_pid_t 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
|
190 { |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
272
diff
changeset
|
191 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
|
192 NGX_PROCESS_DETACHED); |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 } |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 |
279
b79f021a644a
nginx-0.0.2-2004-03-04-19:34:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
272
diff
changeset
|
196 static void 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
|
197 { |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
198 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
|
199 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
200 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
|
201 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
|
202 "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
|
203 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
|
204 } |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
205 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
206 exit(1); |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
207 } |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
208 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
209 |
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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210 void ngx_process_get_status() |
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211 { |
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212 int status; |
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213 char *process; |
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214 ngx_pid_t pid; |
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215 ngx_err_t err; |
354
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216 ngx_int_t i; |
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217 ngx_uint_t one; |
218
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218 struct timeval tv; |
191
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219 one = 0; |
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220 |
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221 for ( ;; ) { |
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222 pid = waitpid(-1, &status, WNOHANG); |
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223 |
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224 if (pid == 0) { |
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225 return; |
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226 } |
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227 |
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228 if (pid == -1) { |
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229 err = ngx_errno; |
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230 |
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231 if (err == NGX_EINTR) { |
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232 continue; |
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233 } |
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234 |
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235 if (err == NGX_ECHILD && one) { |
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236 return; |
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237 } |
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238 |
455 | 239 #if (NGX_SOLARIS) |
452 | 240 |
241 /* | |
242 * Solaris always calls the signal handler for each exited process | |
243 * despite waitpid() may be already called for this process | |
244 */ | |
245 | |
246 if (err == NGX_ECHILD) { | |
247 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, errno, | |
248 "waitpid() failed"); | |
249 } | |
250 | |
251 #endif | |
252 | |
191
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253 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, errno, |
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254 "waitpid() failed"); |
452 | 255 |
191
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256 return; |
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257 } |
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258 |
306
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nginx-0.0.3-2004-04-05-00:32:09 import
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259 |
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nginx-0.0.3-2004-04-05-00:32:09 import
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260 if (ngx_accept_mutex_ptr) { |
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261 |
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262 /* |
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263 * unlock the accept mutex if the abnormally exited process |
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264 * held it |
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265 */ |
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266 |
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267 ngx_atomic_cmp_set(ngx_accept_mutex_ptr, pid, 0); |
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268 } |
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269 |
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270 |
191
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271 one = 1; |
389
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nginx-0.0.7-2004-07-13-21:59:12 import
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366
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272 process = "unknown process"; |
191
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273 |
218
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274 for (i = 0; i < ngx_last_process; i++) { |
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275 if (ngx_processes[i].pid == pid) { |
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276 ngx_processes[i].status = status; |
222
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nginx-0.0.1-2004-01-09-00:02:06 import
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221
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277 ngx_processes[i].exited = 1; |
218
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278 process = ngx_processes[i].name; |
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279 break; |
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280 } |
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281 } |
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282 |
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283 if (WTERMSIG(status)) { |
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284 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, |
461 | 285 "%s %P exited on signal %d%s", |
218
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286 process, pid, WTERMSIG(status), |
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287 WCOREDUMP(status) ? " (core dumped)" : ""); |
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288 |
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289 } else { |
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290 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0, |
461 | 291 "%s %P exited with code %d", |
218
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292 process, pid, WEXITSTATUS(status)); |
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293 } |
234
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227
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294 |
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295 if (WEXITSTATUS(status) == 2 && ngx_processes[i].respawn) { |
cd71b95716b4
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227
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296 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, |
461 | 297 "%s %P exited with fatal code %d and could not respawn", |
298 process, pid, WEXITSTATUS(status)); | |
234
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227
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299 ngx_processes[i].respawn = 0; |
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227
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300 } |
191
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301 } |
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nginx-0.0.1-2003-11-19-19:26:41 import
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302 } |
461 | 303 |
304 | |
305 void ngx_debug_point() | |
306 { | |
307 ngx_core_conf_t *ccf; | |
308 | |
309 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx, | |
310 ngx_core_module); | |
311 | |
312 switch (ccf->debug_points) { | |
313 | |
314 case NGX_DEBUG_POINTS_STOP: | |
315 raise(SIGSTOP); | |
316 break; | |
317 | |
318 case NGX_DEBUG_POINTS_ABORT: | |
319 abort(); | |
320 } | |
321 } |