Mercurial > hg > nginx

annotate src/os/unix/ngx_recv.c @ 7660:d33e17499088

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents efd71d49bde0
children 5119c8150478
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: 375
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: 375
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
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 3642
diff changeset
4 * Copyright (C) Nginx, Inc.
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: 375
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 375
diff changeset
6
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
10 #include <ngx_event.h>
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
11
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
12
1680
e438ec9e736a style fix
Igor Sysoev <igor@sysoev.ru>
parents: 627
diff changeset
13 ssize_t
e438ec9e736a style fix
Igor Sysoev <igor@sysoev.ru>
parents: 627
diff changeset
14 ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size)
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
15 {
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
16 ssize_t n;
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
17 ngx_err_t err;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
18 ngx_event_t *rev;
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
19
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
20 rev = c->read;
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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21
6507
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
22 #if (NGX_HAVE_KQUEUE)
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
23
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
24 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 188
diff changeset
25 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 188
diff changeset
26 "recv: eof:%d, avail:%d, err:%d",
375
744ccb59062d nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
27 rev->pending_eof, rev->available, rev->kq_errno);
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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28
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
29 if (rev->available == 0) {
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
30 if (rev->pending_eof) {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
31 rev->ready = 0;
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
32 rev->eof = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
33
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
34 if (rev->kq_errno) {
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
35 rev->error = 1;
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
36 ngx_set_socket_errno(rev->kq_errno);
218
05592fd7a436 nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 188
diff changeset
37
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
38 return ngx_connection_error(c, rev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
39 "kevent() reported about an closed connection");
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
40 }
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
41
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
42 return 0;
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
43
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
44 } else {
1875
c11d96cbad75 reset ready flag if no data is available,
Igor Sysoev <igor@sysoev.ru>
parents: 1681
diff changeset
45 rev->ready = 0;
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
46 return NGX_AGAIN;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
47 }
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
48 }
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
49 }
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
50
6507
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
51 #endif
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
52
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
53 #if (NGX_HAVE_EPOLLRDHUP)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
54
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
55 if (ngx_event_flags & NGX_USE_EPOLL_EVENT) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
56 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
57 "recv: eof:%d, avail:%d",
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
58 rev->pending_eof, rev->available);
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
59
7583
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
60 if (rev->available == 0 && !rev->pending_eof) {
6536
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Valentin Bartenev <vbart@nginx.com>
parents: 6508
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61 rev->ready = 0;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
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62 return NGX_AGAIN;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
63 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
64 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
65
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
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66 #endif
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
67
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
68 do {
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
69 n = recv(c->fd, buf, size, 0);
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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70
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
71 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
6480
f01ab2dbcfdc Fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5370
diff changeset
72 "recv: fd:%d %z of %uz", c->fd, n, size);
93
738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 91
diff changeset
73
6506
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
74 if (n == 0) {
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
75 rev->ready = 0;
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
76 rev->eof = 1;
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
77
6507
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
78 #if (NGX_HAVE_KQUEUE)
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
79
6506
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
80 /*
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
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81 * on FreeBSD recv() may return 0 on closed socket
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
82 * even if kqueue reported about available data
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
83 */
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
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84
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
85 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
86 rev->available = 0;
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
87 }
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
88
6507
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Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
89 #endif
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
90
6506
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Valentin Bartenev <vbart@nginx.com>
parents: 6480
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91 return 0;
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
92 }
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
93
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
94 if (n > 0) {
dc1ae0056a1e Fixed small inconsistency in handling EOF among receive functions.
Valentin Bartenev <vbart@nginx.com>
parents: 6480
diff changeset
95
6507
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
96 #if (NGX_HAVE_KQUEUE)
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
97
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
98 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
99 rev->available -= n;
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
100
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
101 /*
583
4e296b7d25bf nginx-0.3.13-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
102 * rev->available may be negative here because some additional
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 583
diff changeset
103 * bytes may be received between kevent() and recv()
163
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
104 */
fb61ba77beba nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 148
diff changeset
105
144
ef8c87afcfc5 nginx-0.0.1-2003-10-12-20:49:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 103
diff changeset
106 if (rev->available <= 0) {
375
744ccb59062d nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 328
diff changeset
107 if (!rev->pending_eof) {
148
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
108 rev->ready = 0;
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
109 }
5afee0074707 nginx-0.0.1-2003-10-17-00:19:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
110
6508
151fd02a4317 Simplified ngx_unix_recv() and ngx_readv_chain().
Ruslan Ermilov <ru@nginx.com>
parents: 6507
diff changeset
111 rev->available = 0;
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
112 }
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
114 return n;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
115 }
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
116
6507
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
117 #endif
8ee94ecd3a50 Merged implementations of ngx_unix_recv().
Valentin Bartenev <vbart@nginx.com>
parents: 6506
diff changeset
118
7583
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
119 #if (NGX_HAVE_FIONREAD)
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
120
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
121 if (rev->available >= 0) {
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
122 rev->available -= n;
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
123
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
124 /*
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
125 * negative rev->available means some additional bytes
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
126 * were received between kernel notification and recv(),
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
127 * and therefore ev->ready can be safely reset even for
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
128 * edge-triggered event methods
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
129 */
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
130
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
131 if (rev->available < 0) {
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
132 rev->available = 0;
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
133 rev->ready = 0;
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
134 }
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
135
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
136 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
137 "recv: avail:%d", rev->available);
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
138
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
139 } else if ((size_t) n == size) {
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
140
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
141 if (ngx_socket_nread(c->fd, &rev->available) == -1) {
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
142 n = ngx_connection_error(c, ngx_socket_errno,
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
143 ngx_socket_nread_n " failed");
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
144 break;
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
145 }
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
146
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
147 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
148 "recv: avail:%d", rev->available);
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
149 }
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
150
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents: 6536
diff changeset
151 #endif
efd71d49bde0 Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
152
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
153 #if (NGX_HAVE_EPOLLRDHUP)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
154
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
155 if ((ngx_event_flags & NGX_USE_EPOLL_EVENT)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
156 && ngx_use_epoll_rdhup)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
157 {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
158 if ((size_t) n < size) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
159 if (!rev->pending_eof) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
160 rev->ready = 0;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
161 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
162
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
163 rev->available = 0;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
164 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
165
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
166 return n;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
167 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
168
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
169 #endif
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6508
diff changeset
170
5267
13c006f0c40e Events: honor NGX_USE_GREEDY_EVENT when kqueue support is enabled.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
171 if ((size_t) n < size
13c006f0c40e Events: honor NGX_USE_GREEDY_EVENT when kqueue support is enabled.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
172 && !(ngx_event_flags & NGX_USE_GREEDY_EVENT))
13c006f0c40e Events: honor NGX_USE_GREEDY_EVENT when kqueue support is enabled.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
173 {
96
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
174 rev->ready = 0;
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
175 }
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
176
a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 93
diff changeset
177 return n;
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 }
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
180 err = ngx_socket_errno;
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
181
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
182 if (err == NGX_EAGAIN || err == NGX_EINTR) {
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 256
diff changeset
183 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
184 "recv() not ready");
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
185 n = NGX_AGAIN;
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
187 } else {
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
188 n = ngx_connection_error(c, err, "recv() failed");
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
189 break;
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
190 }
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
253
b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents: 218
diff changeset
192 } while (err == NGX_EINTR);
188
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
193
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
194 rev->ready = 0;
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
195
3642
ac33852faaac style fix
Igor Sysoev <igor@sysoev.ru>
parents: 1875
diff changeset
196 if (n == NGX_ERROR) {
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
197 rev->error = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
198 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 163
diff changeset
199
91
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 return n;
637625a2acdb nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 }