Mercurial > hg > nginx
annotate src/core/ngx_connection.h @ 5742:c45c9812cf11
Core: removed meaningless check from ngx_palloc_block().
The check became meaningless after refactoring in 2a92804f4109.
With the loop currently in place, "current" can't be NULL, hence
the check can be dropped.
Additionally, the local variable "current" was removed to
simplify code, and pool->current now used directly instead.
Found by Coverity (CID 714236).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 26 Jun 2014 03:34:19 +0400 |
| parents | 3a72b1805c52 |
| children | ccad84a174e0 |
| rev | line source |
|---|---|
|
441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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7 |
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8 #ifndef _NGX_CONNECTION_H_INCLUDED_ |
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9 #define _NGX_CONNECTION_H_INCLUDED_ |
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10 |
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11 |
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100
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12 #include <ngx_config.h> |
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92
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13 #include <ngx_core.h> |
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14 |
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15 |
| 543 | 16 typedef struct ngx_listening_s ngx_listening_t; |
| 17 | |
| 18 struct ngx_listening_s { | |
| 19 ngx_socket_t fd; | |
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20 |
| 543 | 21 struct sockaddr *sockaddr; |
| 22 socklen_t socklen; /* size of sockaddr */ | |
| 23 size_t addr_text_max_len; | |
| 24 ngx_str_t addr_text; | |
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103
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25 |
| 543 | 26 int type; |
| 563 | 27 |
| 543 | 28 int backlog; |
| 563 | 29 int rcvbuf; |
| 30 int sndbuf; | |
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4323
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Added the "so_keepalive=" parameter to the "listen" directive.
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31 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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32 int keepidle; |
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33 int keepintvl; |
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Added the "so_keepalive=" parameter to the "listen" directive.
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34 int keepcnt; |
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Added the "so_keepalive=" parameter to the "listen" directive.
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35 #endif |
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36 |
| 543 | 37 /* handler of accepted connection */ |
| 547 | 38 ngx_connection_handler_pt handler; |
| 543 | 39 |
| 40 void *servers; /* array of ngx_http_in_addr_t, for example */ | |
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41 |
| 543 | 42 ngx_log_t log; |
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43 ngx_log_t *logp; |
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103
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44 |
| 543 | 45 size_t pool_size; |
| 46 /* should be here because of the AcceptEx() preread */ | |
| 47 size_t post_accept_buffer_size; | |
| 48 /* should be here because of the deferred accept */ | |
| 557 | 49 ngx_msec_t post_accept_timeout; |
| 543 | 50 |
| 51 ngx_listening_t *previous; | |
| 52 ngx_connection_t *connection; | |
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103
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53 |
| 543 | 54 unsigned open:1; |
| 55 unsigned remain:1; | |
| 56 unsigned ignore:1; | |
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109
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57 |
| 543 | 58 unsigned bound:1; /* already bound */ |
| 59 unsigned inherited:1; /* inherited from previous process */ | |
| 60 unsigned nonblocking_accept:1; | |
| 563 | 61 unsigned listen:1; |
| 543 | 62 unsigned nonblocking:1; |
| 63 unsigned shared:1; /* shared between threads or processes */ | |
| 64 unsigned addr_ntop:1; | |
| 523 | 65 |
| 2562 | 66 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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4771
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Core: ipv6only is now on by default.
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67 unsigned ipv6only:1; |
| 2562 | 68 #endif |
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4323
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69 unsigned keepalive:2; |
| 2562 | 70 |
| 469 | 71 #if (NGX_HAVE_DEFERRED_ACCEPT) |
| 543 | 72 unsigned deferred_accept:1; |
| 73 unsigned delete_deferred:1; | |
| 74 unsigned add_deferred:1; | |
| 523 | 75 #ifdef SO_ACCEPTFILTER |
| 543 | 76 char *accept_filter; |
| 523 | 77 #endif |
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103
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78 #endif |
| 3676 | 79 #if (NGX_HAVE_SETFIB) |
| 80 int setfib; | |
| 81 #endif | |
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419
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82 |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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83 #if (NGX_HAVE_TCP_FASTOPEN) |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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84 int fastopen; |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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85 #endif |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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86 |
| 543 | 87 }; |
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92
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88 |
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0
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89 |
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256
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90 typedef enum { |
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91 NGX_ERROR_ALERT = 0, |
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92 NGX_ERROR_ERR, |
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93 NGX_ERROR_INFO, |
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94 NGX_ERROR_IGNORE_ECONNRESET, |
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95 NGX_ERROR_IGNORE_EINVAL |
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96 } ngx_connection_log_error_e; |
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97 |
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98 |
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99 typedef enum { |
| 483 | 100 NGX_TCP_NODELAY_UNSET = 0, |
| 101 NGX_TCP_NODELAY_SET, | |
| 102 NGX_TCP_NODELAY_DISABLED | |
| 103 } ngx_connection_tcp_nodelay_e; | |
| 104 | |
| 105 | |
| 106 typedef enum { | |
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107 NGX_TCP_NOPUSH_UNSET = 0, |
| 483 | 108 NGX_TCP_NOPUSH_SET, |
| 109 NGX_TCP_NOPUSH_DISABLED | |
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110 } ngx_connection_tcp_nopush_e; |
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111 |
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112 |
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113 #define NGX_LOWLEVEL_BUFFERED 0x0f |
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114 #define NGX_SSL_BUFFERED 0x01 |
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115 #define NGX_SPDY_BUFFERED 0x02 |
| 597 | 116 |
| 117 | |
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118 struct ngx_connection_s { |
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119 void *data; |
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120 ngx_event_t *read; |
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121 ngx_event_t *write; |
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122 |
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123 ngx_socket_t fd; |
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124 |
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125 ngx_recv_pt recv; |
| 539 | 126 ngx_send_pt send; |
| 577 | 127 ngx_recv_chain_pt recv_chain; |
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128 ngx_send_chain_pt send_chain; |
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129 |
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130 ngx_listening_t *listening; |
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131 |
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132 off_t sent; |
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133 |
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134 ngx_log_t *log; |
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135 |
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136 ngx_pool_t *pool; |
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137 |
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138 struct sockaddr *sockaddr; |
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139 socklen_t socklen; |
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140 ngx_str_t addr_text; |
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141 |
|
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Added server-side support for PROXY protocol v1 (ticket #355).
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142 ngx_str_t proxy_protocol_addr; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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143 |
| 577 | 144 #if (NGX_SSL) |
| 547 | 145 ngx_ssl_connection_t *ssl; |
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146 #endif |
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147 |
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148 struct sockaddr *local_sockaddr; |
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Core: keep the length of the local sockaddr.
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149 socklen_t local_socklen; |
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150 |
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151 ngx_buf_t *buffer; |
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152 |
|
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reuse keepalive connections if there are no free worker connections
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153 ngx_queue_t queue; |
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154 |
| 495 | 155 ngx_atomic_uint_t number; |
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156 |
| 2888 | 157 ngx_uint_t requests; |
| 158 | |
|
829
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
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641
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159 unsigned buffered:8; |
| 597 | 160 |
|
2560
a7443674e429
ignore EINVAL from setsockopt() on Solaris
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2512
diff
changeset
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161 unsigned log_error:3; /* ngx_connection_log_error_e */ |
|
256
8e39cab6abd5
nginx-0.0.2-2004-02-10-19:23:38 import
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253
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162 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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393
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163 unsigned unexpected_eof:1; |
|
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164 unsigned timedout:1; |
| 583 | 165 unsigned error:1; |
| 166 unsigned destroyed:1; | |
| 452 | 167 |
|
1135
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close keep-alive connections in the shuting down processes
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168 unsigned idle:1; |
|
3880
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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169 unsigned reusable:1; |
|
1135
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170 unsigned close:1; |
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171 |
| 452 | 172 unsigned sendfile:1; |
| 173 unsigned sndlowat:1; | |
| 483 | 174 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */ |
| 175 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */ | |
| 452 | 176 |
|
5513
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
Valentin Bartenev <vbart@nginx.com>
parents:
5498
diff
changeset
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177 unsigned need_last_buf:1; |
|
311803b21504
SPDY: body filter was replaced by c->send_chain() function.
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parents:
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178 |
| 469 | 179 #if (NGX_HAVE_IOCP) |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
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diff
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180 unsigned accept_context_updated:1; |
|
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
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parents:
101
diff
changeset
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181 #endif |
|
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
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parents:
356
diff
changeset
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182 |
| 3065 | 183 #if (NGX_HAVE_AIO_SENDFILE) |
| 184 unsigned aio_sendfile:1; | |
|
5498
d39a69427056
Allowed up to two EBUSY errors from sendfile().
Maxim Dounin <mdounin@mdounin.ru>
parents:
5463
diff
changeset
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185 unsigned busy_count:2; |
| 3065 | 186 ngx_buf_t *busy_sendfile; |
| 187 #endif | |
| 188 | |
|
370
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parents:
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189 #if (NGX_THREADS) |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
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diff
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190 ngx_atomic_t lock; |
|
370
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nginx-0.0.7-2004-06-27-22:01:57 import
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191 #endif |
|
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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parents:
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192 }; |
|
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193 |
|
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194 |
| 2806 | 195 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, void *sockaddr, |
| 196 socklen_t socklen); | |
|
219
f57597ec5249
nginx-0.0.1-2004-01-06-19:49:34 import
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parents:
218
diff
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197 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle); |
|
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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parents:
216
diff
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198 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle); |
| 2802 | 199 void ngx_configure_listening_sockets(ngx_cycle_t *cycle); |
|
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
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216
diff
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200 void ngx_close_listening_sockets(ngx_cycle_t *cycle); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
399
diff
changeset
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201 void ngx_close_connection(ngx_connection_t *c); |
|
2854
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
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202 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
|
d788477f5a67
ngx_connection_local_sockaddr()
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parents:
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diff
changeset
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203 ngx_uint_t port); |
|
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
219
diff
changeset
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204 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text); |
|
218
05592fd7a436
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parents:
216
diff
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|
205 |
| 543 | 206 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log); |
| 207 void ngx_free_connection(ngx_connection_t *c); | |
|
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
208 |
|
3880
e3cb8e27e413
reuse keepalive connections if there are no free worker connections
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parents:
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diff
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209 void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable); |
|
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
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210 |
|
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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211 #endif /* _NGX_CONNECTION_H_INCLUDED_ */ |