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annotate src/core/ngx_listen.c @ 0:4eff17414a43

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nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 06 Aug 2002 16:39:45 +0000
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_types.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_errno.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_listen.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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8 ngx_socket_t ngx_listen(struct sockaddr *addr, int backlog,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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9 ngx_log_t *log, char *addr_text)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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10 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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11 ngx_socket_t s;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 int reuseaddr = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 #if (WIN32)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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14 unsigned long nb = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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15 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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17 if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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18 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno, "socket failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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20 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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21 (const void *) &reuseaddr, sizeof(int)) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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23 "ngx_listen: setsockopt (SO_REUSEADDR) failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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25 #if (WIN32)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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26 if (ioctlsocket(s, FIONBIO, &nb) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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27 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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28 "ngx_listen: ioctlsocket (FIONBIO) failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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29 #else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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30 if (fcntl(s, F_SETFL, O_NONBLOCK) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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31 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32 "ngx_listen: fcntl (O_NONBLOCK) failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 #endif
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34
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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35 if (bind(s, (struct sockaddr *) addr, sizeof(struct sockaddr_in)) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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36 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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37 "ngx_listen: bind to %s failed", addr_text);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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38
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39 if (listen(s, backlog) == -1)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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40 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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41 "ngx_listen: listen to %s failed", addr_text);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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42
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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43 return s;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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44 }