Mercurial > hg > nginx

annotate src/os/unix/ngx_socket.c @ 707:926db7d6748a

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fix comment
author Igor Sysoev <igor@sysoev.ru>
date Fri, 22 Sep 2006 12:19:02 +0000
parents 4946078f0a79
children f8d6894f0990
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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2 /*
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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
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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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e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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11 /*
707
926db7d6748a fix comment
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12 * ioctl(FIONBIO) sets a non-blocking mode with the single syscall
926db7d6748a fix comment
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13 * while fcntl(F_SETFL, O_NONBLOCK) needs to learn the current state
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14 * using fcntl(F_GETFL).
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b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
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15 *
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16 * ioctl() and fcntl() are syscalls at least in FreeBSD 2.x, Linux 2.2
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55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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17 * and Solaris 7.
55e496a8ece3 nginx-0.0.3-2004-06-06-23:49:18 import
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18 *
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23fb87bddda1 nginx-0.1.1-RELEASE import
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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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b6793bc5034b nginx-0.0.2-2004-02-09-10:46:43 import
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20 */
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21
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22
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23 #if (NGX_HAVE_FIONBIO)
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25 int
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26 ngx_nonblocking(ngx_socket_t s)
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27 {
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eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
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28 u_long nb;
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
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29
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
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30 nb = 1;
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31
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32 return ioctl(s, FIONBIO, &nb);
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33 }
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34
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36 int
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37 ngx_blocking(ngx_socket_t s)
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38 {
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39 u_long nb;
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40
eaf1f651cf86 nginx-0.0.7-2004-06-15-11:55:11 import
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41 nb = 0;
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42
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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43 return ioctl(s, FIONBIO, &nb);
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44 }
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45
e8cdc2989cee nginx-0.0.1-2003-02-06-20:21:13 import
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46 #endif
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47
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48
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295d97d70c69 nginx-0.1.2-RELEASE import
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49 #if (NGX_FREEBSD)
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50
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51 int
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52 ngx_tcp_nopush(ngx_socket_t s)
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53 {
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54 int tcp_nopush;
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55
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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56 tcp_nopush = 1;
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57
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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58 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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59 (const void *) &tcp_nopush, sizeof(int));
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60 }
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61
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62
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63 int
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64 ngx_tcp_push(ngx_socket_t s)
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65 {
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66 int tcp_nopush;
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67
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68 tcp_nopush = 0;
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69
2e069b6e6920 nginx-0.0.1-2003-06-04-21:28:33 import
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70 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
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71 (const void *) &tcp_nopush, sizeof(int));
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72 }
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73
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74 #elif (NGX_LINUX)
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75
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76
501
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77 int
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78 ngx_tcp_nopush(ngx_socket_t s)
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79 {
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80 int cork;
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81
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82 cork = 1;
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83
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84 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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85 (const void *) &cork, sizeof(int));
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86 }
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87
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88
501
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89 int
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90 ngx_tcp_push(ngx_socket_t s)
195
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91 {
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92 int cork;
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93
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94 cork = 0;
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95
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96 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
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97 (const void *) &cork, sizeof(int));
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98 }
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99
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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100 #else
101
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101
501
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102 int
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103 ngx_tcp_nopush(ngx_socket_t s)
101
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104 {
501
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105 return 0;
101
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106 }
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107
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108
501
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109 int
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110 ngx_tcp_push(ngx_socket_t s)
101
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111 {
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112 return 0;
101
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113 }
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114
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115 #endif