annotate src/os/unix/ngx_socket.c @ 34:aab2ea7c0458 NGINX_0_1_17

nginx 0.1.17 *) Change: the ngx_http_rewrite_module was rewritten from the scratch. Now it is possible to redirect, to return the error codes, to check the variables and referrers. The directives can be used inside locations. The redirect directive was canceled. *) Feature: the ngx_http_geo_module. *) Feature: the proxy_set_x_var and fastcgi_set_var directives. *) Bugfix: the location configuration with "=" modifier may be used in another location. *) Bugfix: the correct content type was set only for requests that use small caps letters in extension. *) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the location, and access was denied, and the error was redirected to a static page, then the segmentation fault occurred. *) Bugfix: if in a proxied "Location" header was a relative URL, then a host name and a slash were added to them; bug appeared in 0.1.14. *) Bugfix: the system error message was not logged on Linux.
author Igor Sysoev <http://sysoev.ru>
date Thu, 03 Feb 2005 00:00:00 +0300
parents 6f8b0dc0f8dd
children 72eb30262aac
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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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
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11 /*
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12 * ioctl(FIONBIO) sets a blocking mode with the single syscall
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13 * while fcntl(F_SETFL, ~O_NONBLOCK) needs to learn before
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14 * the previous state using fcntl(F_GETFL).
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15 *
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16 * ioctl() and fcntl() are syscalls on at least FreeBSD 2.x, Linux 2.2
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17 * and Solaris 7.
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18 *
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19 * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too.
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20 */
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23 #if (NGX_HAVE_FIONBIO)
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25 int ngx_nonblocking(ngx_socket_t s)
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26 {
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27 u_long nb;
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29 nb = 1;
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30
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31 return ioctl(s, FIONBIO, &nb);
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32 }
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35 int ngx_blocking(ngx_socket_t s)
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36 {
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37 u_long nb;
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38
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39 nb = 0;
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40
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41 return ioctl(s, FIONBIO, &nb);
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42 }
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43
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44 #endif
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47 #if (NGX_FREEBSD)
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49 int ngx_tcp_nopush(ngx_socket_t s)
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50 {
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51 int tcp_nopush;
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52
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53 tcp_nopush = 1;
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54
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55 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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56 (const void *) &tcp_nopush, sizeof(int));
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57 }
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60 int ngx_tcp_push(ngx_socket_t s)
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61 {
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62 int tcp_nopush;
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63
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64 tcp_nopush = 0;
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65
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66 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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67 (const void *) &tcp_nopush, sizeof(int));
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68 }
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69
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70 #elif (NGX_LINUX)
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72 int ngx_tcp_nopush(ngx_socket_t s)
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73 {
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74 int cork;
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75
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76 cork = 1;
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77
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78 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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79 (const void *) &cork, sizeof(int));
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80 }
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82 int ngx_tcp_push(ngx_socket_t s)
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83 {
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84 int cork;
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85
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86 cork = 0;
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87
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88 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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89 (const void *) &cork, sizeof(int));
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90 }
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91
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92 #else
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93
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94 int ngx_tcp_nopush(ngx_socket_t s)
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95 {
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96 return NGX_OK;
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97 }
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98
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99 int ngx_tcp_push(ngx_socket_t s)
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100 {
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101 return NGX_OK;
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102 }
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103
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104 #endif