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annotate src/os/unix/ngx_send.c @ 4448:539355d9e675 stable-1.0

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Merge of r4404: Fixed sched_setaffinity(2) to correctly pass size. Second argument (cpusetsize) is size in bytes, not in bits. Previously used constant 32 resulted in reading of uninitialized memory and caused EINVAL to be returned on some Linux kernels.
author Maxim Dounin <mdounin@mdounin.ru>
date Sun, 05 Feb 2012 19:25:24 +0000
parents 9237cf8b400b
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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: 419
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: 419
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
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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: 419
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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: 419
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5
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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6
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7 #include <ngx_config.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 #include <ngx_core.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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9 #include <ngx_event.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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10
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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11
1682
85523506e427 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 587
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12 ssize_t
85523506e427 style fix
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parents: 587
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13 ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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14 {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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15 ssize_t n;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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16 ngx_err_t err;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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17 ngx_event_t *wev;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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18
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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19 wev = c->write;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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20
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2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
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21 #if (NGX_HAVE_KQUEUE)
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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22
587
284cc140593b nginx-0.3.15-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
23 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
24 (void) ngx_connection_error(c, wev->kq_errno,
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
25 "kevent() reported about an closed connection");
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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26 wev->error = 1;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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27 return NGX_ERROR;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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28 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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29
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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30 #endif
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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31
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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32 for ( ;; ) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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33 n = send(c->fd, buf, size, 0);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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34
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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36 "send: fd:%d %d of %d", c->fd, n, size);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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37
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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38 if (n > 0) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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39 if (n < (ssize_t) size) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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40 wev->ready = 0;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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41 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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42
2719
9237cf8b400b update c->sent in ngx_unix_send()
Igor Sysoev <igor@sysoev.ru>
parents: 1682
diff changeset
43 c->sent += n;
9237cf8b400b update c->sent in ngx_unix_send()
Igor Sysoev <igor@sysoev.ru>
parents: 1682
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44
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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45 return n;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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46 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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47
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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48 err = ngx_socket_errno;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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49
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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50 if (n == 0) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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51 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
52 wev->ready = 0;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 417
diff changeset
53 return n;
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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54 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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55
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
56 if (err == NGX_EAGAIN || err == NGX_EINTR) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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57 wev->ready = 0;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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58
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
59 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
60 "send() not ready");
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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61
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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62 if (err == NGX_EAGAIN) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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63 return NGX_AGAIN;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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64 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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65
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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66 } else {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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67 wev->error = 1;
537
c9ad0d9c7d59 nginx-0.1.43-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
68 (void) ngx_connection_error(c, err, "send() failed");
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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69 return NGX_ERROR;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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70 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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71 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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72 }