Mercurial > hg > nginx
annotate src/os/unix/ngx_send.c @ 1937:c46432b9dbb7
fix case when errors are not cached,
and a file was not used often enough to keep open
and it has been removed before it was kept open
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 13 Mar 2008 12:59:25 +0000 |
parents | 85523506e427 |
children | 9237cf8b400b |
rev | line source |
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441
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /* |
444
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nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5 |
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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6 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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7 #include <ngx_config.h> |
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nginx-0.0.10-2004-09-07-19:29:22 import
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8 #include <ngx_core.h> |
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nginx-0.0.10-2004-09-07-19:29:22 import
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9 #include <ngx_event.h> |
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nginx-0.0.10-2004-09-07-19:29:22 import
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10 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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11 |
1682 | 12 ssize_t |
13 ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size) | |
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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14 { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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15 ssize_t n; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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16 ngx_err_t err; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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17 ngx_event_t *wev; |
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18 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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19 wev = c->write; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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20 |
469 | 21 #if (NGX_HAVE_KQUEUE) |
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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22 |
587 | 23 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) { |
537 | 24 (void) ngx_connection_error(c, wev->kq_errno, |
25 "kevent() reported about an closed connection"); | |
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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26 wev->error = 1; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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27 return NGX_ERROR; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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28 } |
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29 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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30 #endif |
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31 |
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32 for ( ;; ) { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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33 n = send(c->fd, buf, size, 0); |
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34 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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nginx-0.0.10-2004-09-07-19:29:22 import
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36 "send: fd:%d %d of %d", c->fd, n, size); |
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37 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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38 if (n > 0) { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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39 if (n < (ssize_t) size) { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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40 wev->ready = 0; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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41 } |
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42 |
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43 return n; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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44 } |
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45 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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46 err = ngx_socket_errno; |
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47 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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48 if (n == 0) { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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49 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero"); |
419
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nginx-0.0.10-2004-09-09-19:40:48 import
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50 wev->ready = 0; |
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nginx-0.0.10-2004-09-09-19:40:48 import
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51 return n; |
417
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nginx-0.0.10-2004-09-07-19:29:22 import
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52 } |
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53 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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54 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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55 wev->ready = 0; |
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56 |
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nginx-0.0.10-2004-09-07-19:29:22 import
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57 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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nginx-0.0.10-2004-09-07-19:29:22 import
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58 "send() not ready"); |
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59 |
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60 if (err == NGX_EAGAIN) { |
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61 return NGX_AGAIN; |
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62 } |
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63 |
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64 } else { |
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nginx-0.0.10-2004-09-07-19:29:22 import
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65 wev->error = 1; |
537 | 66 (void) ngx_connection_error(c, err, "send() failed"); |
417
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67 return NGX_ERROR; |
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nginx-0.0.10-2004-09-07-19:29:22 import
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68 } |
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69 } |
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70 } |