Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_readv_chain.c @ 581:326634fb9d47 release-0.3.12
nginx-0.3.12-RELEASE import
*) Security: if nginx was built with the ngx_http_realip_module and the
"satisfy_any on" directive was used, then access and authorization
directives did not work. The ngx_http_realip_module was not built
and is not built by default.
*) Change: the "$time_gmt" variable name was changed to "$time_local".
*) Change: the "proxy_header_buffer_size" and
"fastcgi_header_buffer_size" directives was renamed to the
"proxy_buffer_size" and "fastcgi_buffer_size" directives.
*) Feature: the ngx_http_memcached_module.
*) Feature: the "proxy_buffering" directive.
*) Bugfix: the changes in accept mutex handling when the "rtsig" method
was used; the bug had appeared in 0.3.0.
*) Bugfix: if the client sent the "Transfer-Encoding: chunked" header
line, then nginx returns the 411 error.
*) Bugfix: if the "auth_basic" directive was inherited from the http
level, then the realm in the "WWW-Authenticate" header line was
without the "Basic realm" text.
*) Bugfix: if the "combined" format was explicitly specified in the
"access_log" directive, then the empty lines was written to the log;
the bug had appeared in 0.3.8.
*) Bugfix: nginx did not run on the sparc platform under any OS except
Solaris.
*) Bugfix: now it is not necessary to place space between the quoted
string and closing bracket in the "if" directive.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 26 Nov 2005 10:11:11 +0000 |
parents | 4d9ea73a627a |
children | 284cc140593b |
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 |
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
|
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:
375
diff
changeset
|
5 |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
9 #include <ngx_event.h> |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
11 |
501 | 12 #define NGX_IOVS 16 |
13 | |
14 | |
469 | 15 #if (NGX_HAVE_KQUEUE) |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
16 |
501 | 17 ssize_t |
18 ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *chain) | |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
19 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
20 u_char *prev; |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
163
diff
changeset
|
21 ssize_t n, size; |
74
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
73
diff
changeset
|
22 ngx_err_t err; |
501 | 23 ngx_array_t vec; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
24 ngx_event_t *rev; |
501 | 25 struct iovec *iov, iovs[NGX_IOVS]; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
26 |
577 | 27 rev = c->read; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
28 |
455 | 29 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
30 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
31 "readv: 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:
343
diff
changeset
|
32 rev->pending_eof, rev->available, rev->kq_errno); |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
33 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
34 if (rev->available == 0) { |
581 | 35 |
36 if (!rev->pending_eof) { | |
37 return NGX_AGAIN; | |
38 } | |
39 | |
40 /* FreeBSD 5.x-6.x may erroneously report ETIMEDOUT */ | |
41 if (rev->kq_errno != NGX_ETIMEDOUT) { | |
42 | |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
43 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
44 rev->eof = 1; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
45 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
46 if (rev->kq_errno) { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
47 rev->error = 1; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
48 ngx_set_socket_errno(rev->kq_errno); |
581 | 49 |
50 return ngx_connection_error(c, rev->kq_errno, | |
51 "kevent() reported about an closed connection"); | |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
52 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
53 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
54 return 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
55 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
56 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
57 } |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
58 |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
59 prev = NULL; |
89
29bf798b583f
nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
60 iov = NULL; |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
163
diff
changeset
|
61 size = 0; |
89
29bf798b583f
nginx-0.0.1-2003-05-15-19:42:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
62 |
501 | 63 vec.elts = iovs; |
64 vec.nelts = 0; | |
65 vec.size = sizeof(struct iovec); | |
66 vec.nalloc = NGX_IOVS; | |
67 vec.pool = c->pool; | |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
68 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
69 /* coalesce the neighbouring bufs */ |
150
ad5f382c9e7d
nginx-0.0.1-2003-10-19-23:57:23 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
70 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
71 while (chain) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
72 if (prev == chain->buf->last) { |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
73 iov->iov_len += chain->buf->end - chain->buf->last; |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
74 |
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
75 } else { |
501 | 76 iov = ngx_array_push(&vec); |
77 if (iov == NULL) { | |
78 return NGX_ERROR; | |
79 } | |
80 | |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
81 iov->iov_base = (void *) chain->buf->last; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
82 iov->iov_len = chain->buf->end - chain->buf->last; |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
83 } |
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
84 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
85 size += chain->buf->end - chain->buf->last; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
86 prev = chain->buf->end; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
151
diff
changeset
|
87 chain = chain->next; |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
88 } |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
89 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
90 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
501 | 91 "readv: %d, last:%d", vec.nelts, iov->iov_len); |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
74
diff
changeset
|
92 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
93 rev = c->read; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
94 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
95 do { |
501 | 96 n = readv(c->fd, (struct iovec *) vec.elts, vec.nelts); |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
97 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
98 if (n >= 0) { |
455 | 99 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
100 rev->available -= n; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
101 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
102 /* |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
103 * rev->available can be negative here because some additional |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
104 * bytes can be received between kevent() and recv() |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
105 */ |
163
fb61ba77beba
nginx-0.0.1-2003-10-28-18:45:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
106 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
107 if (rev->available <= 0) { |
375
744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
108 if (!rev->pending_eof) { |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
109 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
110 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
111 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
112 if (rev->available < 0) { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
113 rev->available = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
114 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
115 } |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
117 return n; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
118 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
119 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
120 if (n < size) { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
121 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
122 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
123 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
124 if (n == 0) { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
125 rev->eof = 1; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
126 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
127 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
128 return n; |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
131 err = ngx_socket_errno; |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
132 |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
133 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
134 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
135 "readv() not ready"); |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
136 n = NGX_AGAIN; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
137 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
138 } else { |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
139 n = ngx_connection_error(c, err, "readv() failed"); |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
140 break; |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
141 } |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
142 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
143 } while (err == NGX_EINTR); |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
144 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
145 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
146 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
147 if (n == NGX_ERROR){ |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
163
diff
changeset
|
148 c->read->error = 1; |
73
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 } |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 return n; |
4534060fde92
nginx-0.0.1-2003-04-10-19:08:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 } |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
153 |
469 | 154 #else /* ! NGX_HAVE_KQUEUE */ |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
155 |
501 | 156 ssize_t |
157 ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *chain) | |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
158 { |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
159 u_char *prev; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
160 ssize_t n, size; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
161 ngx_err_t err; |
501 | 162 ngx_array_t vec; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
163 ngx_event_t *rev; |
501 | 164 struct iovec *iov, iovs[NGX_IOVS]; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
165 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
166 prev = NULL; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
167 iov = NULL; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
168 size = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
169 |
501 | 170 vec.elts = iovs; |
171 vec.nelts = 0; | |
172 vec.size = sizeof(struct iovec); | |
173 vec.nalloc = NGX_IOVS; | |
174 vec.pool = c->pool; | |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
175 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
176 /* coalesce the neighbouring bufs */ |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
177 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
178 while (chain) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
179 if (prev == chain->buf->last) { |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
180 iov->iov_len += chain->buf->end - chain->buf->last; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
181 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
182 } else { |
501 | 183 iov = ngx_array_push(&vec); |
184 if (iov == NULL) { | |
185 return NGX_ERROR; | |
186 } | |
187 | |
561 | 188 iov->iov_base = (void *) chain->buf->last; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
189 iov->iov_len = chain->buf->end - chain->buf->last; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
190 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
191 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
192 size += chain->buf->end - chain->buf->last; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
193 prev = chain->buf->end; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
194 chain = chain->next; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
195 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
196 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
197 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
501 | 198 "readv: %d:%d", vec.nelts, iov->iov_len); |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
199 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
200 rev = c->read; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
201 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
202 do { |
501 | 203 n = readv(c->fd, (struct iovec *) vec.elts, vec.nelts); |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
204 |
328
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
205 if (n == 0) { |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
206 rev->ready = 0; |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
207 rev->eof = 1; |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
208 |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
209 return n; |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
210 |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
211 } else if (n > 0) { |
fb4dfb2ac0fc
nginx-0.0.3-2004-04-28-10:14:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
212 |
455 | 213 if (n < size && !(ngx_event_flags & NGX_USE_GREEDY_EVENT)) { |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
214 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
215 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
216 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
217 return n; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
218 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
219 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
220 err = ngx_socket_errno; |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
221 |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
222 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
223 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
224 "readv() not ready"); |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
225 n = NGX_AGAIN; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
226 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
227 } else { |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
228 n = ngx_connection_error(c, err, "readv() failed"); |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
229 break; |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
230 } |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
231 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
232 } while (err == NGX_EINTR); |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
233 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
234 rev->ready = 0; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
235 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
236 if (n == NGX_ERROR){ |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
237 c->read->error = 1; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
238 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
239 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
240 return n; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
241 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
242 |
469 | 243 #endif /* NGX_HAVE_KQUEUE */ |