Mercurial > hg > nginx
annotate src/event/modules/ngx_aio_module.c @ 93:738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 21 May 2003 13:28:21 +0000 |
parents | 637625a2acdb |
children | 8220378432a8 |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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5 #include <ngx_aio.h> |
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6 |
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7 #if (HAVE_KQUEUE) |
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8 #include <ngx_kqueue_module.h> |
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9 #endif |
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10 |
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12 static int ngx_aio_init(ngx_log_t *log); |
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13 static void ngx_aio_done(ngx_log_t *log); |
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14 static int ngx_aio_add_event(ngx_event_t *ev, int event, u_int flags); |
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15 static int ngx_aio_del_event(ngx_event_t *ev, int event, u_int flags); |
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16 static int ngx_aio_process_events(ngx_log_t *log); |
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17 |
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18 |
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19 ngx_os_io_t ngx_os_aio = { |
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20 ngx_aio_read, |
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21 NULL, |
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22 ngx_aio_write, |
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23 ngx_aio_write_chain, |
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24 NGX_HAVE_ZEROCOPY |
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25 }; |
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26 |
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27 |
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28 static ngx_str_t aio_name = ngx_string("aio"); |
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29 |
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30 ngx_event_module_t ngx_aio_module_ctx = { |
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31 NGX_EVENT_MODULE, |
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32 &aio_name, |
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33 NULL, /* create configuration */ |
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34 NULL, /* init configuration */ |
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35 |
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36 { |
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37 ngx_aio_add_event, /* add an event */ |
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38 ngx_aio_del_event, /* delete an event */ |
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39 NULL, /* enable an event */ |
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40 NULL, /* disable an event */ |
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41 NULL, /* add an connection */ |
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42 NULL, /* delete an connection */ |
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43 ngx_aio_process_events, /* process the events */ |
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44 ngx_aio_init, /* init the events */ |
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45 ngx_aio_done /* done the events */ |
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46 } |
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47 |
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48 }; |
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49 |
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50 ngx_module_t ngx_aio_module = { |
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51 &ngx_aio_module_ctx, /* module context */ |
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52 0, /* module index */ |
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53 NULL, /* module directives */ |
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54 NGX_EVENT_MODULE_TYPE, /* module type */ |
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55 NULL /* init module */ |
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56 }; |
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57 |
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58 |
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59 |
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60 #if (HAVE_KQUEUE) |
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61 |
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62 static int ngx_aio_init(ngx_log_t *log) |
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63 { |
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64 if (ngx_kqueue_module_ctx.actions.init(log) == NGX_ERROR) { |
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65 return NGX_ERROR; |
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66 } |
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68 ngx_event_flags = NGX_HAVE_AIO_EVENT|NGX_USE_AIO_EVENT; |
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69 ngx_event_actions = ngx_aio_module_ctx.actions; |
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70 ngx_io = ngx_os_aio; |
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71 |
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72 |
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73 return NGX_OK; |
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74 } |
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75 |
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77 static void ngx_aio_done(ngx_log_t *log) |
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78 { |
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79 ngx_kqueue_module_ctx.actions.done(log); |
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80 } |
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81 |
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82 |
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83 /* The event adding and deleteing are needed for the listening sockets */ |
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84 |
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85 static int ngx_aio_add_event(ngx_event_t *ev, int event, u_int flags) |
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86 { |
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87 return ngx_kqueue_module_ctx.actions.add(ev, event, flags); |
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88 } |
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89 |
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90 |
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91 static int ngx_aio_del_event(ngx_event_t *ev, int event, u_int flags) |
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92 { |
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93 return ngx_kqueue_module_ctx.actions.del(ev, event, flags); |
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94 } |
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95 |
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96 |
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97 static int ngx_aio_process_events(ngx_log_t *log) |
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98 { |
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99 return ngx_kqueue_module_ctx.actions.process(log); |
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100 } |
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101 |
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parents:
91
diff
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102 #endif |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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|
103 |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
6
diff
changeset
|
104 |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
6
diff
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105 #if 0 |
93
738fe44c70d5
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Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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106 |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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107 /* 1 */ |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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108 int ngx_posix_aio_process_events(ngx_log_t *log) |
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parents:
5
diff
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109 { |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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110 listen via SIGIO; |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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111 aio_* via SIGxxx; |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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112 |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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113 sigsuspend()/sigwaitinfo()/sigtimedwait(); |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
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parents:
5
diff
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114 } |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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115 |
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
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116 /* 2 */ |
0
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
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117 int ngx_posix_aio_process_events(ngx_log_t *log) |
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Igor Sysoev <igor@sysoev.ru>
parents:
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118 { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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119 unmask signal |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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120 |
5
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
changeset
|
121 listen via SIGIO; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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122 |
5
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
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|
123 /* BUG: SIGIO can be delivered before aio_*() */ |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
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124 |
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
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125 aio_suspend()/aiowait()/aio_waitcomplete() with timeout |
0
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
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126 |
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
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127 mask signal |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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128 |
4eff17414a43
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parents:
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129 if (ngx_socket_errno == NGX_EINTR) |
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
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130 look listen |
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
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131 select()/accept() nb listen sockets |
4eff17414a43
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132 else |
4eff17414a43
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133 aio |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
134 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
135 |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
5
diff
changeset
|
136 /* 3 */ |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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137 int ngx_posix_aio_process_events(ngx_log_t *log) |
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
138 { |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
139 #if 0 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
140 unmask signal |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
141 |
5
62b1a364857c
nginx-0.0.1-2002-08-23-20:14:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
0
diff
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|
142 /* BUG: AIO signal can be delivered before select() */ |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
144 select(listen); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
146 mask signal |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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|
147 #endif |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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|
148 |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
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|
149 pselect(listen, mask); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
151 if (ngx_socket_errno == NGX_EINTR) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
152 look ready array |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
153 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
154 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
155 void aio_sig_handler(int signo, siginfo_t *siginfo, void *context) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
157 push siginfo->si_value.sival_ptr |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 } |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
159 |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
6
diff
changeset
|
160 #endif |