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comparison src/os/unix/ngx_send.c @ 417:0526206251f6

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nginx-0.0.10-2004-09-07-19:29:22 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 07 Sep 2004 15:29:22 +0000
parents
children 47709bff4468
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416:b9bd635011de 417:0526206251f6
1
2 #include <ngx_config.h>
3 #include <ngx_core.h>
4 #include <ngx_event.h>
5
6
7 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
8 {
9 ssize_t n;
10 ngx_err_t err;
11 ngx_event_t *wev;
12
13 wev = c->write;
14
15 #if (HAVE_KQUEUE)
16
17 if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) && wev->pending_eof) {
18 ngx_log_error(NGX_LOG_INFO, c->log, wev->kq_errno,
19 "kevent() reported about an closed connection");
20
21 wev->error = 1;
22 return NGX_ERROR;
23 }
24
25 #endif
26
27 for ( ;; ) {
28 n = send(c->fd, buf, size, 0);
29
30 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
31 "send: fd:%d %d of %d", c->fd, n, size);
32
33 if (n > 0) {
34 if (n < (ssize_t) size) {
35 wev->ready = 0;
36 }
37
38 return n;
39 }
40
41 err = ngx_socket_errno;
42
43 if (n == 0) {
44 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
45 }
46
47 if (err == NGX_EAGAIN || err == NGX_EINTR) {
48 wev->ready = 0;
49
50 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
51 "send() not ready");
52
53 if (err == NGX_EAGAIN) {
54 return NGX_AGAIN;
55 }
56
57 } else {
58 wev->error = 1;
59 ngx_connection_error(c, err, "recv() failed");
60 return NGX_ERROR;
61 }
62 }
63 }