annotate src/os/unix/ngx_channel.c @ 543:511a89da35ad release-0.2.0

nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
author Igor Sysoev <igor@sysoev.ru>
date Fri, 23 Sep 2005 11:02:22 +0000
parents 9b8c906f6e63
children e48ebafc6939
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
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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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parents: 391
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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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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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6
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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7 #include <ngx_config.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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8 #include <ngx_core.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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9 #include <ngx_channel.h>
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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10
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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11
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511a89da35ad nginx-0.2.0-RELEASE import
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12 ngx_int_t
511a89da35ad nginx-0.2.0-RELEASE import
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13 ngx_write_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size,
511a89da35ad nginx-0.2.0-RELEASE import
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14 ngx_log_t *log)
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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15 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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16 ssize_t n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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17 ngx_err_t err;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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18 struct iovec iov[1];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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19 struct msghdr msg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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20
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21 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
366
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22
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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23 union {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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24 struct cmsghdr cm;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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25 char space[CMSG_SPACE(sizeof(int))];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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26 } cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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27
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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28 if (ch->fd == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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29 msg.msg_control = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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30 msg.msg_controllen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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31
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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32 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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33 msg.msg_control = (caddr_t) &cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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34 msg.msg_controllen = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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35
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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36 cmsg.cm.cmsg_len = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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37 cmsg.cm.cmsg_level = SOL_SOCKET;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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38 cmsg.cm.cmsg_type = SCM_RIGHTS;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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39 *(int *) CMSG_DATA(&cmsg.cm) = ch->fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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40 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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41
483
621229427cba nginx-0.1.16-RELEASE import
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42 msg.msg_flags = 0;
621229427cba nginx-0.1.16-RELEASE import
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43
366
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44 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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45
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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46 if (ch->fd == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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47 msg.msg_accrights = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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48 msg.msg_accrightslen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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49
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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50 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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51 msg.msg_accrights = (caddr_t) &ch->fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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52 msg.msg_accrightslen = sizeof(int);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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53 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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54
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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55 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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56
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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57 iov[0].iov_base = (char *) ch;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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58 iov[0].iov_len = size;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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59
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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60 msg.msg_name = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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61 msg.msg_namelen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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62 msg.msg_iov = iov;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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63 msg.msg_iovlen = 1;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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64
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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65 n = sendmsg(s, &msg, 0);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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66
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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67 if (n == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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68 err = ngx_errno;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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69 if (err == NGX_EAGAIN) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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70 return NGX_AGAIN;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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71 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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72
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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73 ngx_log_error(NGX_LOG_ALERT, log, err, "sendmsg() failed");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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74 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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75 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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76
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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77 return NGX_OK;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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78 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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79
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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80
543
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81 ngx_int_t
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82 ngx_read_channel(ngx_socket_t s, ngx_channel_t *ch, size_t size, ngx_log_t *log)
366
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83 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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84 ssize_t n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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85 ngx_err_t err;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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86 struct iovec iov[1];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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87 struct msghdr msg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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88
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89 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
366
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90 union {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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91 struct cmsghdr cm;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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92 char space[CMSG_SPACE(sizeof(int))];
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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93 } cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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94 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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95 int fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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96 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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97
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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98 iov[0].iov_base = (char *) ch;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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99 iov[0].iov_len = size;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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100
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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101 msg.msg_name = NULL;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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102 msg.msg_namelen = 0;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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103 msg.msg_iov = iov;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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104 msg.msg_iovlen = 1;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
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105
469
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106 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
366
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parents:
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107 msg.msg_control = (caddr_t) &cmsg;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
108 msg.msg_controllen = sizeof(cmsg);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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110 msg.msg_accrights = (caddr_t) &fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 msg.msg_accrightslen = sizeof(int);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
114 n = recvmsg(s, &msg, 0);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
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115
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
116 if (n == -1) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117 err = ngx_errno;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 if (err == NGX_EAGAIN) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 return NGX_AGAIN;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 ngx_log_error(NGX_LOG_ALERT, log, err, "recvmsg() failed");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
126 if (n == 0) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
127 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "recvmsg() returned zero");
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
128 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
129 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
130
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 if ((size_t) n < sizeof(ngx_channel_t)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 ngx_log_error(NGX_LOG_ALERT, log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
133 "recvmsg() returned not enough data: %uz", n);
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 465
diff changeset
137 #if (NGX_HAVE_MSGHDR_MSG_CONTROL)
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
141 if (cmsg.cm.cmsg_len < (socklen_t) sizeof(cmsg)) {
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 "recvmsg() returned too small ancillary data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 if (cmsg.cm.cmsg_level != SOL_SOCKET || cmsg.cm.cmsg_type != SCM_RIGHTS)
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 "recvmsg() returned invalid ancillary data "
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 "level %d or type %d",
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 cmsg.cm.cmsg_level, cmsg.cm.cmsg_type);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 ch->fd = *(int *) CMSG_DATA(&cmsg.cm);
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 if (msg.msg_flags & (MSG_TRUNC|MSG_CTRUNC)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 "recvmsg() truncated data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 #else
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 if (ch->command == NGX_CMD_OPEN_CHANNEL) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 if (msg.msg_accrightslen != sizeof(int)) {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 ngx_log_error(NGX_LOG_ALERT, log, 0,
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 "recvmsg() returned no ancillary data");
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 ch->fd = fd;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 #endif
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 return n;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
182 ngx_int_t
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
183 ngx_add_channel_event(ngx_cycle_t *cycle, ngx_fd_t fd, ngx_int_t event,
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
184 ngx_event_handler_pt handler)
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 ngx_event_t *ev, *rev, *wev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 ngx_connection_t *c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
189 c = ngx_get_connection(fd, cycle->log);
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
190
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
191 if (c == NULL) {
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
192 return NGX_ERROR;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
193 }
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
194
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
195 rev = c->read;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
196 wev = c->write;
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 ngx_memzero(c, sizeof(ngx_connection_t));
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
199
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
200 c->read = rev;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
201 c->write = wev;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
202 c->fd = fd;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
203 c->log = cycle->log;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
204
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
205 c->pool = cycle->pool;
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
206
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 ngx_memzero(rev, sizeof(ngx_event_t));
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 ngx_memzero(wev, sizeof(ngx_event_t));
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 rev->log = cycle->log;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 wev->log = cycle->log;
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
212
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 rev->index = NGX_INVALID_INDEX;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 wev->index = NGX_INVALID_INDEX;
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
215
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 rev->data = c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 wev->data = c;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
219 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
220 rev->lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
221 wev->lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
222 rev->own_lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
223 wev->own_lock = &c->lock;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
224 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 366
diff changeset
225
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 ev = (event == NGX_READ_EVENT) ? rev : wev;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
228 ev->handler = handler;
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
230 if (ngx_add_conn && (ngx_event_flags & NGX_USE_EPOLL_EVENT) == 0) {
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 if (ngx_add_conn(c) == NGX_ERROR) {
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
232 ngx_free_connection(c);
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 } else {
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 if (ngx_add_event(ev, event, 0) == NGX_ERROR) {
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
238 ngx_free_connection(c);
366
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 return NGX_ERROR;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 }
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 return NGX_OK;
e411b1482ee3 nginx-0.0.7-2004-06-23-19:18:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 }
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
245
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
246
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
247 void
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
248 ngx_close_channel(ngx_fd_t *fd, ngx_log_t *log)
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
249 {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
250 if (close(fd[0]) == -1) {
465
5aecc125bc33 nginx-0.1.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
251 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed");
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
252 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
253
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
254 if (close(fd[1]) == -1) {
465
5aecc125bc33 nginx-0.1.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
255 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() channel failed");
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
256 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 381
diff changeset
257 }