Mercurial > hg > nginx

annotate src/event/modules/ngx_rtsig_module.c @ 4450:4919fb357a5d stable-1.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge of r4406, r4413: copyrights updated.
author Maxim Dounin <mdounin@mdounin.ru>
date Sun, 05 Feb 2012 20:02:59 +0000
parents ab353d7dc182
children 4c36e15651f7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
1
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4450
4919fb357a5d Merge of r4406, r4413: copyrights updated.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3475
diff changeset
4 * Copyright (C) Nginx, Inc.
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
5 */
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
6
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
7
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
8 #include <ngx_config.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
9 #include <ngx_core.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
10 #include <ngx_event.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
11
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
12
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
13 #if (NGX_TEST_BUILD_RTSIG)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
14
1939
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
15 #ifdef SIGRTMIN
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
16 #define si_fd _reason.__spare__.__spare2__[0]
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
17 #else
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
18 #define SIGRTMIN 33
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
19 #define si_fd __spare__[0]
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
20 #endif
6e7daf852eec restore building --test-build-rtsig and --test-build-eventport on FreeBSD 6
Igor Sysoev <igor@sysoev.ru>
parents: 1870
diff changeset
21
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
22 #define F_SETSIG 10
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
23 #define KERN_RTSIGNR 30
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
24 #define KERN_RTSIGMAX 31
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
25
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
26 int sigtimedwait(const sigset_t *set, siginfo_t *info,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
27 const struct timespec *timeout)
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
28 {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
29 return -1;
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
30 }
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
31
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
32 int ngx_linux_rtsig_max;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
33
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
34 #endif
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
35
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
36
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
37 typedef struct {
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
38 ngx_uint_t signo;
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
39 ngx_uint_t overflow_events;
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
40 ngx_uint_t overflow_test;
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
41 ngx_uint_t overflow_threshold;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
42 } ngx_rtsig_conf_t;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
43
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
44
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
45 extern ngx_event_module_t ngx_poll_module_ctx;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
46
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
47 static ngx_int_t ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer);
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
48 static void ngx_rtsig_done(ngx_cycle_t *cycle);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
49 static ngx_int_t ngx_rtsig_add_connection(ngx_connection_t *c);
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
50 static ngx_int_t ngx_rtsig_del_connection(ngx_connection_t *c,
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
51 ngx_uint_t flags);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
52 static ngx_int_t ngx_rtsig_process_events(ngx_cycle_t *cycle,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
53 ngx_msec_t timer, ngx_uint_t flags);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
54 static ngx_int_t ngx_rtsig_process_overflow(ngx_cycle_t *cycle,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
55 ngx_msec_t timer, ngx_uint_t flags);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
56
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
57 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle);
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
58 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf);
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
59 static char *ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf,
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
60 void *post, void *data);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
61
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
62
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
63 static sigset_t set;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
64 static ngx_uint_t overflow, overflow_current;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
65 static struct pollfd *overflow_list;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
66
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
67
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
68 static ngx_str_t rtsig_name = ngx_string("rtsig");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
69
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
70 static ngx_conf_num_bounds_t ngx_overflow_threshold_bounds = {
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
71 ngx_check_ngx_overflow_threshold_bounds, 2, 10
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
72 };
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
73
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
74
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
75 static ngx_command_t ngx_rtsig_commands[] = {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
76
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
77 { ngx_string("rtsig_signo"),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
78 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
79 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
80 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
81 offsetof(ngx_rtsig_conf_t, signo),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
82 NULL },
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
83
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
84 { ngx_string("rtsig_overflow_events"),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
85 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
86 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
87 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
88 offsetof(ngx_rtsig_conf_t, overflow_events),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
89 NULL },
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
90
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
91 { ngx_string("rtsig_overflow_test"),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
92 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
93 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
94 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
95 offsetof(ngx_rtsig_conf_t, overflow_test),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
96 NULL },
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
97
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
98 { ngx_string("rtsig_overflow_threshold"),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
99 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
100 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
101 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
102 offsetof(ngx_rtsig_conf_t, overflow_threshold),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
103 &ngx_overflow_threshold_bounds },
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
104
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
105 ngx_null_command
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
106 };
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
107
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
109 ngx_event_module_t ngx_rtsig_module_ctx = {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
110 &rtsig_name,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
111 ngx_rtsig_create_conf, /* create configuration */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
112 ngx_rtsig_init_conf, /* init configuration */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
113
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
114 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
115 NULL, /* add an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
116 NULL, /* delete an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
117 NULL, /* enable an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
118 NULL, /* disable an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
119 ngx_rtsig_add_connection, /* add an connection */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
120 ngx_rtsig_del_connection, /* delete an connection */
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
121 NULL, /* process the changes */
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
122 ngx_rtsig_process_events, /* process the events */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
123 ngx_rtsig_init, /* init the events */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
124 ngx_rtsig_done, /* done the events */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
125 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
126
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
127 };
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
128
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
129 ngx_module_t ngx_rtsig_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
130 NGX_MODULE_V1,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
131 &ngx_rtsig_module_ctx, /* module context */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
132 ngx_rtsig_commands, /* module directives */
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
133 NGX_EVENT_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
134 NULL, /* init master */
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
135 NULL, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
136 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
137 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
138 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
139 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
140 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 527
diff changeset
141 NGX_MODULE_V1_PADDING
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
142 };
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
143
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
144
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
145 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
146 ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
148 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
149
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
150 rtscf = ngx_event_get_conf(cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
151
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
152 sigemptyset(&set);
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
153 sigaddset(&set, (int) rtscf->signo);
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
154 sigaddset(&set, (int) rtscf->signo + 1);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
155 sigaddset(&set, SIGIO);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
156 sigaddset(&set, SIGALRM);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
157
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
158 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
159 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
160 "sigprocmask() failed");
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
161 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
162 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
163
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
164 if (overflow_list) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
165 ngx_free(overflow_list);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
166 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
167
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
168 overflow_list = ngx_alloc(sizeof(struct pollfd) * rtscf->overflow_events,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
169 cycle->log);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
170 if (overflow_list == NULL) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
171 return NGX_ERROR;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
172 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
173
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
174 ngx_io = ngx_os_io;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
175
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
176 ngx_event_actions = ngx_rtsig_module_ctx.actions;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
177
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
178 ngx_event_flags = NGX_USE_RTSIG_EVENT
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
179 |NGX_USE_GREEDY_EVENT
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
180 |NGX_USE_FD_EVENT;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
181
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
182 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
183 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
184
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
185
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
186 static void
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
187 ngx_rtsig_done(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
188 {
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
189 ngx_free(overflow_list);
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
190
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
191 overflow_list = NULL;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
192 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
193
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
195 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
196 ngx_rtsig_add_connection(ngx_connection_t *c)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
197 {
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
198 ngx_uint_t signo;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
199 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
200
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
201 if (c->read->accept && c->read->disabled) {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
202
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
203 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
204 "rtsig enable connection: fd:%d", c->fd);
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
205
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
206 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
207 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
208 "fcntl(F_SETOWN) failed");
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
209 return NGX_ERROR;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
210 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
211
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
212 c->read->active = 1;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
213 c->read->disabled = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
214 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
215
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
216 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
217
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
218 signo = rtscf->signo + c->read->instance;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
219
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
220 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
221 "rtsig add connection: fd:%d signo:%ui", c->fd, signo);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
224 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
229 if (fcntl(c->fd, F_SETSIG, (int) signo) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
230 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 "fcntl(F_SETSIG) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
235 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
236 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 "fcntl(F_SETOWN) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
241 #if (NGX_HAVE_ONESIGFD)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242 if (fcntl(c->fd, F_SETAUXFL, O_ONESIGFD) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
243 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 "fcntl(F_SETAUXFL) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247 #endif
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
249 c->read->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
250 c->write->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
251
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 return NGX_OK;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
255
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
256 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
257 ngx_rtsig_del_connection(ngx_connection_t *c, ngx_uint_t flags)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
258 {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
259 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
260 "rtsig del connection: fd:%d", c->fd);
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
261
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
262 if ((flags & NGX_DISABLE_EVENT) && c->read->accept) {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
263
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
264 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
265 "rtsig disable connection: fd:%d", c->fd);
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
266
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
267 c->read->active = 0;
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
268 c->read->disabled = 1;
349
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
269 return NGX_OK;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
270 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
271
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
272 if (flags & NGX_CLOSE_EVENT) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
273 c->read->active = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
274 c->write->active = 0;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
275 return NGX_OK;
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
276 }
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
277
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
278 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK) == -1) {
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
279 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
280 "fcntl(O_RDWR|O_NONBLOCK) failed");
a958aa92f9a5 nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 348
diff changeset
281 return NGX_ERROR;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
282 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
283
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
284 c->read->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
285 c->write->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
286
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
287 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
288 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
289
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
290
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
291 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
292 ngx_rtsig_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
294 int signo;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
295 ngx_int_t instance;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
296 ngx_err_t err;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
297 siginfo_t si;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
298 ngx_event_t *rev, *wev, **queue;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
299 struct timespec ts, *tp;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
300 struct sigaction sa;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
301 ngx_connection_t *c;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
302 ngx_rtsig_conf_t *rtscf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
304 if (timer == NGX_TIMER_INFINITE) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
305 tp = NULL;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
306
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
307 } else {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
308 ts.tv_sec = timer / 1000;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
309 ts.tv_nsec = (timer % 1000) * 1000000;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
310 tp = &ts;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
311 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
312
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
313 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
314 "rtsig timer: %M", timer);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
315
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
316 /* Linux's sigwaitinfo() is sigtimedwait() with the NULL timeout pointer */
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
317
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
318 signo = sigtimedwait(&set, &si, tp);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
320 if (signo == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
321 err = ngx_errno;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
322
382
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
323 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, err,
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
324 "rtsig signo:%d", signo);
449c4885dcd1 nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
325
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
326 if (flags & NGX_UPDATE_TIME) {
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
327 ngx_time_update();
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
328 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
329
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
330 if (err == NGX_EAGAIN) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
331
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
332 /* timeout */
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
333
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
334 if (timer != NGX_TIMER_INFINITE) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
335 return NGX_AGAIN;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
336 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
337
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
338 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
339 "sigtimedwait() returned EAGAIN without timeout");
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
340 return NGX_ERROR;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
341 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
342
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
343 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
344 cycle->log, err, "sigtimedwait() failed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
345 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
346 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
347
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
348 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
349 "rtsig signo:%d fd:%d band:%04Xd",
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
350 signo, si.si_fd, si.si_band);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
351
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
352 if (flags & NGX_UPDATE_TIME) {
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
353 ngx_time_update();
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
354 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
355
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
356 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
357
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
358 if (signo == (int) rtscf->signo || signo == (int) rtscf->signo + 1) {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
359
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
360 if (overflow && (ngx_uint_t) si.si_fd > overflow_current) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
361 return NGX_OK;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
362 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
363
551
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
364 c = ngx_cycle->files[si.si_fd];
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
365
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
366 if (c == NULL) {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
367
551
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
368 /* the stale event */
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
369
551
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
370 return NGX_OK;
483cca230603 nginx-0.2.4-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
371 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
372
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
373 instance = signo - (int) rtscf->signo;
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
374
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
375 rev = c->read;
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
376
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
377 if (rev->instance != instance) {
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
378
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
379 /*
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
380 * the stale event from a file descriptor
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
381 * that was just closed in this iteration
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
382 */
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
383
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
384 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
385 "rtsig: stale event %p", c);
344
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
386
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
387 return NGX_OK;
e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
388 }
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
389
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
390 if ((si.si_band & (POLLIN|POLLHUP|POLLERR)) && rev->active) {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
391
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
392 rev->ready = 1;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
393
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
394 if (flags & NGX_POST_EVENTS) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
395 queue = (ngx_event_t **) (rev->accept ?
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
396 &ngx_posted_accept_events : &ngx_posted_events);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
397
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
398 ngx_locked_post_event(rev, queue);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
399
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 573
diff changeset
400 } else {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
401 rev->handler(rev);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
402 }
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
403 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
404
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
405 wev = c->write;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
406
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
407 if ((si.si_band & (POLLOUT|POLLHUP|POLLERR)) && wev->active) {
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
408
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
409 wev->ready = 1;
573
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
410
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
411 if (flags & NGX_POST_EVENTS) {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
412 ngx_locked_post_event(wev, &ngx_posted_events);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
413
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
414 } else {
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
415 wev->handler(wev);
58475592100c nginx-0.3.8-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
416 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
417 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
418
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
419 return NGX_OK;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
420
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
421 } else if (signo == SIGALRM) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
422
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
423 ngx_time_update();
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
424
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
425 return NGX_OK;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
426
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
427 } else if (signo == SIGIO) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
428
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
429 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
430 "rt signal queue overflowed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
431
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
432 /* flush the RT signal queue */
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
433
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
434 ngx_memzero(&sa, sizeof(struct sigaction));
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
435 sa.sa_handler = SIG_DFL;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
436 sigemptyset(&sa.sa_mask);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
437
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
438 if (sigaction(rtscf->signo, &sa, NULL) == -1) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
439 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
440 "sigaction(%d, SIG_DFL) failed", rtscf->signo);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
441 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
442
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
443 if (sigaction(rtscf->signo + 1, &sa, NULL) == -1) {
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
444 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
445 "sigaction(%d, SIG_DFL) failed", rtscf->signo + 1);
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
446 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
447
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
448 overflow = 1;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
449 overflow_current = 0;
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
450 ngx_event_actions.process_events = ngx_rtsig_process_overflow;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
451
352
694d7ddc3599 nginx-0.0.4-2004-06-11-10:15:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 351
diff changeset
452 return NGX_ERROR;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
453
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
454 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
455
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
456 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
457 "sigtimedwait() returned unexpected signal: %d", signo);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
458
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
459 return NGX_ERROR;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
460 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
461
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
462
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
463 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
464 ngx_rtsig_process_overflow(ngx_cycle_t *cycle, ngx_msec_t timer,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
465 ngx_uint_t flags)
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
466 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
467 int name[2], rtsig_max, rtsig_nr, events, ready;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 352
diff changeset
468 size_t len;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
469 ngx_err_t err;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
470 ngx_uint_t tested, n, i;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
471 ngx_event_t *rev, *wev, **queue;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
472 ngx_connection_t *c;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
473 ngx_rtsig_conf_t *rtscf;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
474
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
475 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
476 "rtsig process overflow");
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
477
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
478 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
479
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
480 tested = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
481
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
482 for ( ;; ) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
483
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
484 n = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
485 while (n < rtscf->overflow_events) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
486
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
487 if (overflow_current == cycle->connection_n) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
488 break;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
489 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
490
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
491 c = cycle->files[overflow_current++];
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
492
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
493 if (c == NULL || c->fd == -1) {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
494 continue;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
495 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
496
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
497 events = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
498
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
499 if (c->read->active && c->read->handler) {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
500 events |= POLLIN;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
501 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
502
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
503 if (c->write->active && c->write->handler) {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
504 events |= POLLOUT;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
505 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
506
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
507 if (events == 0) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
508 continue;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
509 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
510
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
511 overflow_list[n].fd = c->fd;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
512 overflow_list[n].events = events;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
513 overflow_list[n].revents = 0;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
514 n++;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
515 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
516
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
517 if (n == 0) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
518 break;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
519 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
520
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
521 for ( ;; ) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
522 ready = poll(overflow_list, n, 0);
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
523
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
524 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
525 "rtsig overflow poll:%d", ready);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
526
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
527 if (ready == -1) {
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
528 err = ngx_errno;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
529 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
530 cycle->log, 0,
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
531 "poll() failed while the overflow recover");
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
532
402
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
533 if (err == NGX_EINTR) {
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
534 continue;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
535 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
536 }
402
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
537
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
538 break;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
539 }
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
540
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
541 if (ready <= 0) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
542 continue;
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
543 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
544
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
545 ngx_mutex_lock(ngx_posted_events_mutex);
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
546
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
547 for (i = 0; i < n; i++) {
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
548 c = cycle->files[overflow_list[i].fd];
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
549
559
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
550 if (c == NULL) {
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
551 continue;
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
552 }
c1f965ef9718 nginx-0.3.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
553
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
554 rev = c->read;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
555
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
556 if (rev->active
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
557 && !rev->closed
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
558 && rev->handler
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
559 && (overflow_list[i].revents
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
560 & (POLLIN|POLLERR|POLLHUP|POLLNVAL)))
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
561 {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
562 tested++;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
563
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
564 if ((flags & NGX_POST_THREAD_EVENTS) && !rev->accept) {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
565 rev->posted_ready = 1;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
566
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
567 } else {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
568 rev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
569 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
570
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
571 if (flags & NGX_POST_EVENTS) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
572 queue = (ngx_event_t **) (rev->accept ?
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
573 &ngx_posted_accept_events : &ngx_posted_events);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
574
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
575 ngx_locked_post_event(rev, queue);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
576
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
577 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
578 rev->handler(rev);
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
579 }
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
580 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
581
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
582 wev = c->write;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
583
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
584 if (wev->active
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
585 && !wev->closed
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
586 && wev->handler
390
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
587 && (overflow_list[i].revents
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
588 & (POLLOUT|POLLERR|POLLHUP|POLLNVAL)))
1471c6fb108a nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 389
diff changeset
589 {
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
590 tested++;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
591
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
592 if (flags & NGX_POST_THREAD_EVENTS) {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
593 wev->posted_ready = 1;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
594
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
595 } else {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
596 wev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
597 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
598
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
599 if (flags & NGX_POST_EVENTS) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
600 ngx_locked_post_event(wev, &ngx_posted_events);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
601
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
602 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
603 wev->handler(wev);
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
604 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
605 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
606 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
607
402
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
608 ngx_mutex_unlock(ngx_posted_events_mutex);
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
609
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
610 if (tested >= rtscf->overflow_test) {
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
611
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
612 if (ngx_linux_rtsig_max) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
613
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
614 /*
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
615 * Check the current rt queue length to prevent
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
616 * the new overflow.
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
617 *
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
618 * learn the "/proc/sys/kernel/rtsig-max" value because
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
619 * it can be changed since the last checking
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
620 */
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
621
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
622 name[0] = CTL_KERN;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
623 name[1] = KERN_RTSIGMAX;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
624 len = sizeof(rtsig_max);
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
625
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
626 if (sysctl(name, 2, &rtsig_max, &len, NULL, 0) == -1) {
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
627 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
628 "sysctl(KERN_RTSIGMAX) failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
629 return NGX_ERROR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
630 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
631
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
632 /* name[0] = CTL_KERN; */
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
633 name[1] = KERN_RTSIGNR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
634 len = sizeof(rtsig_nr);
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
635
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
636 if (sysctl(name, 2, &rtsig_nr, &len, NULL, 0) == -1) {
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
637 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
638 "sysctl(KERN_RTSIGNR) failed");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
639 return NGX_ERROR;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
640 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
641
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
642 /*
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
643 * drain the rt signal queue if the /"proc/sys/kernel/rtsig-nr"
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
644 * is bigger than
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
645 * "/proc/sys/kernel/rtsig-max" / "rtsig_overflow_threshold"
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
646 */
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
647
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
648 if (rtsig_max / (int) rtscf->overflow_threshold < rtsig_nr) {
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
649 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
650 "rtsig queue state: %d/%d",
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
651 rtsig_nr, rtsig_max);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
652 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK)
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
653 {
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
654 /* void */
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
655 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
656 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
657
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
658 } else {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
659
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
660 /*
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
661 * Linux has not KERN_RTSIGMAX since 2.6.6-mm2
402
f209f3391020 nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 391
diff changeset
662 * so drain the rt signal queue unconditionally
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
663 */
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
664
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
665 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
666 /* void */
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
667 }
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
668 }
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
669
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
670 tested = 0;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
671 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
672 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
673
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
674 if (flags & NGX_UPDATE_TIME) {
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
675 ngx_time_update();
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
676 }
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
677
527
7fa11e5c6e96 nginx-0.1.38-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
678 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
679 "rt signal queue overflow recovered");
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
680
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
681 overflow = 0;
380
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
682 ngx_event_actions.process_events = ngx_rtsig_process_events;
348
68ff8000a974 nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
683
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
684 return NGX_OK;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
685 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
686
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
687
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
688 static void *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
689 ngx_rtsig_create_conf(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
690 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
691 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
692
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
693 rtscf = ngx_palloc(cycle->pool, sizeof(ngx_rtsig_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
694 if (rtscf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 1939
diff changeset
695 return NULL;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
696 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
697
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
698 rtscf->signo = NGX_CONF_UNSET;
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
699 rtscf->overflow_events = NGX_CONF_UNSET;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
700 rtscf->overflow_test = NGX_CONF_UNSET;
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
701 rtscf->overflow_threshold = NGX_CONF_UNSET;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
702
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
703 return rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
704 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
705
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
706
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
707 static char *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
708 ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
709 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
710 ngx_rtsig_conf_t *rtscf = conf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
711
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
712 /* LinuxThreads use the first 3 RT signals */
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
713 ngx_conf_init_uint_value(rtscf->signo, SIGRTMIN + 10);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
714
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
715 ngx_conf_init_uint_value(rtscf->overflow_events, 16);
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
716 ngx_conf_init_uint_value(rtscf->overflow_test, 32);
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
717 ngx_conf_init_uint_value(rtscf->overflow_threshold, 10);
351
af4c6b45a687 nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 350
diff changeset
718
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
719 return NGX_CONF_OK;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
720 }
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
721
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
722
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
723 static char *
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
724 ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf, void *post, void *data)
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
725 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
726 if (ngx_linux_rtsig_max) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
727 return ngx_conf_check_num_bounds(cf, post, data);
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
728 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
729
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
730 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
731 "\"rtsig_overflow_threshold\" is not supported "
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
732 "since Linux 2.6.6-mm2, ignored");
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
733
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
734 return NGX_CONF_OK;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 390
diff changeset
735 }