Mercurial > hg > nginx-vendor-0-8
comparison src/os/unix/ngx_send.c @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 4b2dafa26fe2 |
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-1:000000000000 | 0:f0b350454894 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_event.h> | |
10 | |
11 | |
12 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size) | |
13 { | |
14 ssize_t n; | |
15 ngx_err_t err; | |
16 ngx_event_t *wev; | |
17 | |
18 wev = c->write; | |
19 | |
20 #if (HAVE_KQUEUE) | |
21 | |
22 if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) && wev->pending_eof) { | |
23 ngx_log_error(NGX_LOG_INFO, c->log, wev->kq_errno, | |
24 "kevent() reported about an closed connection"); | |
25 | |
26 wev->error = 1; | |
27 return NGX_ERROR; | |
28 } | |
29 | |
30 #endif | |
31 | |
32 for ( ;; ) { | |
33 n = send(c->fd, buf, size, 0); | |
34 | |
35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
36 "send: fd:%d %d of %d", c->fd, n, size); | |
37 | |
38 if (n > 0) { | |
39 if (n < (ssize_t) size) { | |
40 wev->ready = 0; | |
41 } | |
42 | |
43 return n; | |
44 } | |
45 | |
46 err = ngx_socket_errno; | |
47 | |
48 if (n == 0) { | |
49 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero"); | |
50 wev->ready = 0; | |
51 return n; | |
52 } | |
53 | |
54 if (err == NGX_EAGAIN || err == NGX_EINTR) { | |
55 wev->ready = 0; | |
56 | |
57 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, | |
58 "send() not ready"); | |
59 | |
60 if (err == NGX_EAGAIN) { | |
61 return NGX_AGAIN; | |
62 } | |
63 | |
64 } else { | |
65 wev->error = 1; | |
66 ngx_connection_error(c, err, "recv() failed"); | |
67 return NGX_ERROR; | |
68 } | |
69 } | |
70 } |