Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_send.c @ 4448:539355d9e675 stable-1.0
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> |
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date | Sun, 05 Feb 2012 19:25:24 +0000 |
parents | 9237cf8b400b |
children | d620f497c50f |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
417
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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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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14 { |
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15 ssize_t n; |
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16 ngx_err_t err; |
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17 ngx_event_t *wev; |
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18 |
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19 wev = c->write; |
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20 |
469 | 21 #if (NGX_HAVE_KQUEUE) |
417
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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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26 wev->error = 1; |
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27 return NGX_ERROR; |
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28 } |
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29 |
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30 #endif |
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31 |
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32 for ( ;; ) { |
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33 n = send(c->fd, buf, size, 0); |
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34 |
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35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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36 "send: fd:%d %d of %d", c->fd, n, size); |
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37 |
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38 if (n > 0) { |
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39 if (n < (ssize_t) size) { |
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40 wev->ready = 0; |
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41 } |
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42 |
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43 c->sent += n; |
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44 |
417
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45 return n; |
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46 } |
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47 |
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48 err = ngx_socket_errno; |
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49 |
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50 if (n == 0) { |
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51 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero"); |
419
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52 wev->ready = 0; |
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53 return n; |
417
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54 } |
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55 |
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56 if (err == NGX_EAGAIN || err == NGX_EINTR) { |
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57 wev->ready = 0; |
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58 |
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59 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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60 "send() not ready"); |
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61 |
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62 if (err == NGX_EAGAIN) { |
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63 return NGX_AGAIN; |
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64 } |
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65 |
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66 } else { |
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67 wev->error = 1; |
537 | 68 (void) ngx_connection_error(c, err, "send() failed"); |
417
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69 return NGX_ERROR; |
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70 } |
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71 } |
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72 } |