Mercurial > hg > nginx

annotate src/os/win32/ngx_udp_wsarecv.c @ 2981:635c0006441e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
use caseless regex locations on caseless filesystems: MacOSX, Win32, Cygwin
author Igor Sysoev <igor@sysoev.ru>
date Tue, 14 Jul 2009 08:53:37 +0000
parents 88987e52be42
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 292
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
444
42d11f017717 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
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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parents: 292
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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6
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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7 #include <ngx_config.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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8 #include <ngx_core.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
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9 #include <ngx_event.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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10
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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11
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12 ssize_t
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13 ngx_udp_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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14 {
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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15 int rc;
280
7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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16 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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17 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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18 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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19 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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20
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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21 wsabuf[0].buf = (char *) buf;
184
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22 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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23 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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24 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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25
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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26 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, NULL, NULL);
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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27
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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28 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
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29 "WSARecv: fd:%d rc:%d %ul of %z", c->fd, rc, bytes, size);
184
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30
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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31 rev = c->read;
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32
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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33 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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34 rev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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35 err = ngx_socket_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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36
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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37 if (err == WSAEWOULDBLOCK) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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38 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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parents: 184
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39 "WSARecv() not ready");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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40 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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41 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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42
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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43 rev->error = 1;
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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44 ngx_connection_error(c, err, "WSARecv() failed");
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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45
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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46 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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47 }
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48
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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49 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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50 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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51
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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52
1680
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53 ssize_t
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54 ngx_udp_overlapped_wsarecv(ngx_connection_t *c, u_char *buf, size_t size)
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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55 {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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56 int rc;
280
7c7183b3ea8b nginx-0.0.2-2004-03-05-11:34:24 import
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57 u_long bytes, flags;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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58 WSABUF wsabuf[1];
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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59 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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60 ngx_event_t *rev;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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61 LPWSAOVERLAPPED ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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62
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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63 rev = c->read;
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64
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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65 if (!rev->ready) {
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30310107dbc9 nginx-0.0.2-2004-03-09-22:47:07 import
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66 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second wsa post");
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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67 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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68 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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69
278
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70 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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71 "rev->complete: %d", rev->complete);
184
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72
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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73 if (rev->complete) {
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74 rev->complete = 0;
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75
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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76 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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77 if (rev->ovlp.error) {
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0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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78 ngx_connection_error(c, rev->ovlp.error, "WSARecv() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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79 return NGX_ERROR;
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80 }
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81
461
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82 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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83 "WSARecv ovlp: fd:%d %ul of %z",
a88a3e4e158f nginx-0.1.5-RELEASE import
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84 c->fd, rev->available, size);
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85
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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86 return rev->available;
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87 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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88
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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89 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &rev->ovlp,
2776
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90 &bytes, 0, NULL)
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91 == 0)
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92 {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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93 ngx_connection_error(c, ngx_socket_errno,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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94 "WSARecv() or WSAGetOverlappedResult() failed");
184
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95 return NGX_ERROR;
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96 }
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97
461
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98 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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99 "WSARecv: fd:%d %ul of %z", c->fd, bytes, size);
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diff changeset
100
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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101 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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102 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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103
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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104 ovlp = (LPWSAOVERLAPPED) &rev->ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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105 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
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a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
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106 wsabuf[0].buf = (char *) buf;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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107 wsabuf[0].len = size;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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108 flags = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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109 bytes = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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110
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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diff changeset
111 rc = WSARecv(c->fd, wsabuf, 1, &bytes, &flags, ovlp, NULL);
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
diff changeset
112
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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113 rev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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diff changeset
114
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
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diff changeset
115 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
461
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parents: 444
diff changeset
116 "WSARecv ovlp: fd:%d rc:%d %ul of %z",
a88a3e4e158f nginx-0.1.5-RELEASE import
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117 c->fd, rc, bytes, size);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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118
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
119 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
120 err = ngx_socket_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
121 if (err == WSA_IO_PENDING) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
122 rev->active = 1;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
123 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
124 "WSARecv() posted");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
125 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
126 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
127
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
128 rev->error = 1;
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 184
diff changeset
129 ngx_connection_error(c, err, "WSARecv() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
130 return NGX_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
131 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
132
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
133 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
134
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
135 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
136 * if a socket was bound with I/O completion port
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
137 * then GetQueuedCompletionStatus() would anyway return its status
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
138 * despite that WSARecv() was already complete
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
139 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
140
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
141 rev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
142 return NGX_AGAIN;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
143 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
144
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
145 rev->active = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
146
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
147 return bytes;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
148 }