annotate src/os/unix/ngx_posix_init.c @ 236:86e473b5641e

nginx-0.0.1-2004-01-22-09:47:28 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 22 Jan 2004 06:47:28 +0000
parents b0c1e21e68db
children 674f85a4d00f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
2 #include <ngx_config.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
3 #include <ngx_core.h>
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
4
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
5
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
6 int ngx_max_sockets;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7 int ngx_inherited_nonblocking;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
10 void ngx_signal_handler(int signo);
111
1c002f2b77ed nginx-0.0.1-2003-07-03-20:30:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
11
1c002f2b77ed nginx-0.0.1-2003-07-03-20:30:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
12
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
13 typedef struct {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
14 int signo;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
15 char *signame;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
16 void (*handler)(int signo);
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
17 } ngx_signal_t;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
18
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
19
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
20 ngx_signal_t signals[] = {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
21 { ngx_signal_value(NGX_RECONFIGURE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
22 "SIG" ngx_value(NGX_RECONFIGURE_SIGNAL),
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
23 ngx_signal_handler },
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
24
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
25 { ngx_signal_value(NGX_REOPEN_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
26 "SIG" ngx_value(NGX_REOPEN_SIGNAL),
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
27 ngx_signal_handler },
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
28
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
29 { ngx_signal_value(NGX_NOACCEPT_SIGNAL),
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
30 "SIG" ngx_value(NGX_NOACCEPT_SIGNAL),
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
31 ngx_signal_handler },
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
32
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
33 { ngx_signal_value(NGX_TERMINATE_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
34 "SIG" ngx_value(NGX_TERMINATE_SIGNAL),
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
35 ngx_signal_handler },
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
36
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
37 { ngx_signal_value(NGX_SHUTDOWN_SIGNAL),
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
38 "SIG" ngx_value(NGX_SHUTDOWN_SIGNAL),
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
39 ngx_signal_handler },
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
40
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
41 { ngx_signal_value(NGX_CHANGEBIN_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
42 "SIG" ngx_value(NGX_CHANGEBIN_SIGNAL),
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
43 ngx_signal_handler },
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
44
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
45 { SIGINT, "SIGINT", ngx_signal_handler },
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
46
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
47 { SIGCHLD, "SIGCHLD", ngx_signal_handler },
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
48
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
49 { SIGPIPE, "SIGPIPE, SIG_IGN", SIG_IGN },
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
50
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
51 { 0, NULL, NULL }
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
52 };
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
53
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
54
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
55 int ngx_posix_init(ngx_log_t *log)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
56 {
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
57 ngx_signal_t *sig;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
58 struct rlimit rlmt;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
59 struct sigaction sa;
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
60
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
61 for (sig = signals; sig->signo != 0; sig++) {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
62 ngx_memzero(&sa, sizeof(struct sigaction));
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
63 sa.sa_handler = sig->handler;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
64 sigemptyset(&sa.sa_mask);
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
65 if (sigaction(sig->signo, &sa, NULL) == -1) {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
66 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
67 "sigaction(%s) failed", sig->signame);
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
68 return NGX_ERROR;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
69 }
191
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
70 }
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 183
diff changeset
71
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
72 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
73 ngx_log_error(NGX_LOG_ALERT, log, errno,
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
74 "getrlimit(RLIMIT_NOFILE) failed)");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
75 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
76 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
77
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
78 ngx_log_error(NGX_LOG_INFO, log, 0,
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
79 "getrlimit(RLIMIT_NOFILE): " RLIM_T_FMT ":" RLIM_T_FMT,
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
80 rlmt.rlim_cur, rlmt.rlim_max);
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
81
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
82 ngx_max_sockets = rlmt.rlim_cur;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
83
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
84 #if (HAVE_INHERITED_NONBLOCK)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
85 ngx_inherited_nonblocking = 1;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
86 #else
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
87 ngx_inherited_nonblocking = 0;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
88 #endif
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
89
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
90 return NGX_OK;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
91 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
92
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
93
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
94 void ngx_signal_handler(int signo)
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
95 {
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
96 char *action;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
97 struct timeval tv;
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
98 ngx_int_t ignore;
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
99 ngx_err_t err;
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
100 ngx_signal_t *sig;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
101
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
102 ngx_signal = 1;
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
103 ignore = 0;
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
104
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
105 err = ngx_errno;
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
106
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
107 for (sig = signals; sig->signo != 0; sig++) {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
108 if (sig->signo == signo) {
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
109 break;
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
110 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
111 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
112
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
113 ngx_gettimeofday(&tv);
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
114 ngx_time_update(tv.tv_sec);
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
115
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
116 action = "";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
117
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
118 switch (ngx_process) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
119
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
120 case NGX_PROCESS_MASTER:
236
86e473b5641e nginx-0.0.1-2004-01-22-09:47:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 226
diff changeset
121 case NGX_PROCESS_SINGLE:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
122 switch (signo) {
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 210
diff changeset
123
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
124 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
125 ngx_quit = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
126 action = ", shutdowning";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
127 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
128
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
129 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
130 case SIGINT:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
131 ngx_terminate = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
132 action = ", exiting";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
133 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
134
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
135 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
136 ngx_noaccept = 1;
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
137 action = ", stop the accepting connections";
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
138 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
139
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
140 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
141 ngx_reconfigure = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
142 action = ", reconfiguring";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
143 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
144
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
145 case ngx_signal_value(NGX_REOPEN_SIGNAL):
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
146 if (ngx_noaccept) {
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
147 action = ", ignoring";
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
148
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
149 } else {
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
150 ngx_reopen = 1;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
151 action = ", reopen logs";
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
152 break;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
153 }
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
154
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
155 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
156 if ((ngx_inherited && getppid() > 1)
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
157 || (!ngx_inherited && ngx_new_binary > 0))
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
158 {
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
159 /*
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
160 * Ignore the signal in the new binary if its parent is
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
161 * not the init process, i.e. the old binary's process
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
162 * is still running. Or ingore the signal in the old binary's
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
163 * process if the new binary's process is already running.
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
164 */
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
165
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
166 action = ", ignoring";
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
167 ignore = 1;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
168 break;
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
169 }
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
170
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
171 ngx_change_binary = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
172 action = ", changing binary";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
173 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
174
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
175 case SIGCHLD:
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
176 ngx_reap = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
177 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
178 }
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
179
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
180 break;
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
181
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
182 case NGX_PROCESS_WORKER:
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
183 switch (signo) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
184
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
185 case ngx_signal_value(NGX_SHUTDOWN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
186 ngx_quit = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
187 action = ", shutdowning";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
188 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
189
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
190 case ngx_signal_value(NGX_TERMINATE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
191 case SIGINT:
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
192 ngx_terminate = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
193 action = ", exiting";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
194 break;
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
195
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
196 case ngx_signal_value(NGX_REOPEN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
197 ngx_reopen = 1;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
198 action = ", reopen logs";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
199 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
200
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
201 case ngx_signal_value(NGX_RECONFIGURE_SIGNAL):
225
2e9a8a14a0cf nginx-0.0.1-2004-01-13-19:43:23 import
Igor Sysoev <igor@sysoev.ru>
parents: 222
diff changeset
202 case ngx_signal_value(NGX_NOACCEPT_SIGNAL):
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
203 case ngx_signal_value(NGX_CHANGEBIN_SIGNAL):
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
204 action = ", ignoring";
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
205 break;
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
206 }
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
207
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
208 break;
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
209 }
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
210
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
211 ngx_log_error(NGX_LOG_INFO, ngx_cycle->log, 0,
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
212 "signal %d (%s) received%s", signo, sig->signame, action);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 212
diff changeset
213
226
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
214 if (ignore) {
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
215 ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, 0,
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
216 "the changing binary signal is ignored: "
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
217 "you should shutdown or terminate "
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
218 "before either old or new binary's process");
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
219 }
b0c1e21e68db nginx-0.0.1-2004-01-14-00:33:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 225
diff changeset
220
222
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
221 if (signo == SIGCHLD) {
99df0edb63ed nginx-0.0.1-2004-01-09-00:02:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 221
diff changeset
222 ngx_process_get_status();
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
223 }
219
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
224
f57597ec5249 nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
225 ngx_set_errno(err);
210
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
226 }
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
227
00cafae0bdf1 nginx-0.0.1-2003-12-14-23:10:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
228
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 int ngx_posix_post_conf_init(ngx_log_t *log)
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 ngx_fd_t pp[2];
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 if (pipe(pp) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 if (dup2(pp[1], STDERR_FILENO) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 if (pp[1] > STDERR_FILENO) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 if (close(pp[1]) == -1) {
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 return NGX_ERROR;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 }
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250 return NGX_OK;
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 }