annotate src/os/unix/ngx_socket.c @ 501:d4ea69372b94 release-0.1.25

nginx-0.1.25-RELEASE import *) Bugfix: nginx did run on Linux parisc. *) Feature: nginx now does not start under FreeBSD if the sysctl kern.ipc.somaxconn value is too big. *) Bugfix: if a request was internally redirected by the ngx_http_index_module module to the ngx_http_proxy_module or ngx_http_fastcgi_module modules, then the index file was not closed after request completion. *) Feature: the "proxy_pass" can be used in location with regular expression. *) Feature: the ngx_http_rewrite_filter_module module supports the condition like "if ($HTTP_USER_AGENT ~ MSIE)". *) Bugfix: nginx started too slow if the large number of addresses and text values were used in the "geo" directive. *) Change: a variable name must be declared as "$name" in the "geo" directive. The previous variant without "$" is still supported, but will be removed soon. *) Feature: the "%{VARIABLE}v" logging parameter. *) Feature: the "set $name value" directive. *) Bugfix: gcc 4.0 compatibility. *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 19 Mar 2005 12:38:37 +0000
parents 2ff194b74f1e
children 9c2f3ed7a247
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 354
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 354
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
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 354
diff changeset
4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 354
diff changeset
5
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
6
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
7 #include <ngx_config.h>
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
8 #include <ngx_core.h>
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
11 /*
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
12 * ioctl(FIONBIO) sets a blocking mode with the single syscall
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
13 * while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 354
diff changeset
14 * the previous state using fcntl(F_GETFL).
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
15 *
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
16 * ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2
346
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 253
diff changeset
17 * and Solaris 7.
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 253
diff changeset
18 *
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
19 * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too.
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 195
diff changeset
20 */
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 59
diff changeset
21
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
22
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
23 #if (NGX_HAVE_FIONBIO)
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
24
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
25 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
26 ngx_nonblocking(ngx_socket_t s)
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
27 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
28 u_long nb;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
29
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
30 nb = 1;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
31
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
32 return ioctl(s, FIONBIO, &nb);
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
33 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
34
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
35
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
36 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
37 ngx_blocking(ngx_socket_t s)
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
38 {
354
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
39 u_long nb;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
40
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 346
diff changeset
41 nb = 0;
59
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
42
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
43 return ioctl(s, FIONBIO, &nb);
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
44 }
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
45
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
46 #endif
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
47
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
48
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
49 #if (NGX_FREEBSD)
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
50
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
51 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
52 ngx_tcp_nopush(ngx_socket_t s)
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
53 {
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
54 int tcp_nopush;
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
55
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
56 tcp_nopush = 1;
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
57
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
58 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
59 (const void *) &tcp_nopush, sizeof(int));
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
60 }
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
61
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
62
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
63 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
64 ngx_tcp_push(ngx_socket_t s)
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
65 {
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
66 int tcp_nopush;
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
67
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
68 tcp_nopush = 0;
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
69
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
70 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
71 (const void *) &tcp_nopush, sizeof(int));
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
72 }
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
73
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
74 #elif (NGX_LINUX)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
75
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
76 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
77 ngx_tcp_nopush(ngx_socket_t s)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
78 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
79 int cork;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
80
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
81 cork = 1;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
82
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
83 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
84 (const void *) &cork, sizeof(int));
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
85 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
86
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
87 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
88 ngx_tcp_push(ngx_socket_t s)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
89 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
90 int cork;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
91
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
92 cork = 0;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
93
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
94 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
95 (const void *) &cork, sizeof(int));
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
96 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
97
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 101
diff changeset
98 #else
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
99
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
100 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
101 ngx_tcp_nopush(ngx_socket_t s)
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
102 {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
103 return 0;
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
104 }
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
105
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
106 int
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
107 ngx_tcp_push(ngx_socket_t s)
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
108 {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
109 return 0;
101
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
110 }
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
111
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
112 #endif