Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_win32_select_module.c @ 8853:ce6d9cf0f567 quic
Merged with the default branch.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 14 Feb 2022 10:14:07 +0300 |
parents | efd71d49bde0 |
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rev | line source |
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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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8 #include <ngx_config.h> |
8
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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12 |
563 | 13 static ngx_int_t ngx_select_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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14 static void ngx_select_done(ngx_cycle_t *cycle); |
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15 static ngx_int_t ngx_select_add_event(ngx_event_t *ev, ngx_int_t event, |
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16 ngx_uint_t flags); |
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17 static ngx_int_t ngx_select_del_event(ngx_event_t *ev, ngx_int_t event, |
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18 ngx_uint_t flags); |
563 | 19 static ngx_int_t ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
20 ngx_uint_t flags); | |
2780 | 21 static void ngx_select_repair_fd_sets(ngx_cycle_t *cycle); |
114
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22 static char *ngx_select_init_conf(ngx_cycle_t *cycle, void *conf); |
91
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23 |
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24 |
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25 static fd_set master_read_fd_set; |
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26 static fd_set master_write_fd_set; |
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27 static fd_set work_read_fd_set; |
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28 static fd_set work_write_fd_set; |
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29 static fd_set work_except_fd_set; |
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30 |
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31 static ngx_uint_t max_read; |
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32 static ngx_uint_t max_write; |
314
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33 static ngx_uint_t nevents; |
17
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34 |
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35 static ngx_event_t **event_index; |
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36 |
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37 |
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Added missing static specifiers.
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38 static ngx_str_t select_name = ngx_string("select"); |
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39 |
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40 static ngx_event_module_t ngx_select_module_ctx = { |
91
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41 &select_name, |
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42 NULL, /* create configuration */ |
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43 ngx_select_init_conf, /* init configuration */ |
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44 |
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45 { |
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46 ngx_select_add_event, /* add an event */ |
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47 ngx_select_del_event, /* delete an event */ |
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48 ngx_select_add_event, /* enable an event */ |
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49 ngx_select_del_event, /* disable an event */ |
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50 NULL, /* add an connection */ |
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51 NULL, /* delete an connection */ |
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52 NULL, /* trigger a notify */ |
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53 ngx_select_process_events, /* process the events */ |
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54 ngx_select_init, /* init the events */ |
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55 ngx_select_done /* done the events */ |
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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 ngx_module_t ngx_select_module = { |
509 | 61 NGX_MODULE_V1, |
91
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62 &ngx_select_module_ctx, /* module context */ |
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63 NULL, /* module directives */ |
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64 NGX_EVENT_MODULE, /* module type */ |
541 | 65 NULL, /* init master */ |
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66 NULL, /* init module */ |
541 | 67 NULL, /* init process */ |
68 NULL, /* init thread */ | |
69 NULL, /* exit thread */ | |
70 NULL, /* exit process */ | |
71 NULL, /* exit master */ | |
72 NGX_MODULE_V1_PADDING | |
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73 }; |
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74 |
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75 |
501 | 76 static ngx_int_t |
563 | 77 ngx_select_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
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78 { |
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79 ngx_event_t **index; |
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80 |
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81 if (event_index == NULL) { |
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82 FD_ZERO(&master_read_fd_set); |
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83 FD_ZERO(&master_write_fd_set); |
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84 nevents = 0; |
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85 } |
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86 |
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87 if (ngx_process >= NGX_PROCESS_WORKER |
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88 || cycle->old_cycle == NULL |
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89 || cycle->old_cycle->connection_n < cycle->connection_n) |
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90 { |
501 | 91 index = ngx_alloc(sizeof(ngx_event_t *) * 2 * cycle->connection_n, |
92 cycle->log); | |
93 if (index == NULL) { | |
94 return NGX_ERROR; | |
95 } | |
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96 |
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97 if (event_index) { |
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98 ngx_memcpy(index, event_index, sizeof(ngx_event_t *) * nevents); |
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99 ngx_free(event_index); |
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100 } |
563 | 101 |
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102 event_index = index; |
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103 } |
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104 |
114
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105 ngx_io = ngx_os_io; |
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106 |
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107 ngx_event_actions = ngx_select_module_ctx.actions; |
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108 |
563 | 109 ngx_event_flags = NGX_USE_LEVEL_EVENT; |
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110 |
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111 max_read = 0; |
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112 max_write = 0; |
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113 |
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114 return NGX_OK; |
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115 } |
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116 |
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117 |
501 | 118 static void |
119 ngx_select_done(ngx_cycle_t *cycle) | |
91
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120 { |
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121 ngx_free(event_index); |
114
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122 |
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123 event_index = NULL; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
124 } |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
125 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
126 |
501 | 127 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
128 ngx_select_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
130 ngx_connection_t *c; |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
131 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
132 c = ev->data; |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
133 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
134 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
135 "select add event fd:%d ev:%i", c->fd, event); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 |
38
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
137 if (ev->index != NGX_INVALID_INDEX) { |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
138 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
139 "select event fd:%d ev:%i is already set", c->fd, event); |
38
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
140 return NGX_OK; |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
141 } |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
142 |
2808
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
143 if ((event == NGX_READ_EVENT && ev->write) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
144 || (event == NGX_WRITE_EVENT && !ev->write)) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
145 { |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
146 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
147 "invalid select %s event fd:%d ev:%i", |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
148 ev->write ? "write" : "read", c->fd, event); |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
149 return NGX_ERROR; |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
150 } |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
151 |
5360
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
152 if ((event == NGX_READ_EVENT && max_read >= FD_SETSIZE) |
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
153 || (event == NGX_WRITE_EVENT && max_write >= FD_SETSIZE)) |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
154 { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
155 ngx_log_error(NGX_LOG_ERR, ev->log, 0, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
156 "maximum number of descriptors " |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
157 "supported by select() is %d", FD_SETSIZE); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
158 return NGX_ERROR; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
161 if (event == NGX_READ_EVENT) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
162 FD_SET(c->fd, &master_read_fd_set); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
163 max_read++; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
165 } else if (event == NGX_WRITE_EVENT) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
166 FD_SET(c->fd, &master_write_fd_set); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
167 max_write++; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
168 } |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
169 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
170 ev->active = 1; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
172 event_index[nevents] = ev; |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
173 ev->index = nevents; |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
174 nevents++; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
176 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
179 |
501 | 180 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
181 ngx_select_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 { |
2809 | 183 ngx_event_t *e; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
184 ngx_connection_t *c; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
185 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
186 c = ev->data; |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
187 |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
188 ev->active = 0; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
189 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
190 if (ev->index == NGX_INVALID_INDEX) { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
191 return NGX_OK; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
192 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
193 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
194 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
195 "select del event fd:%d ev:%i", c->fd, event); |
23
f540a63026c9
nginx-0.0.1-2002-12-06-19:32:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
17
diff
changeset
|
196 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
197 if (event == NGX_READ_EVENT) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
198 FD_CLR(c->fd, &master_read_fd_set); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
199 max_read--; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
201 } else if (event == NGX_WRITE_EVENT) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
202 FD_CLR(c->fd, &master_write_fd_set); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
203 max_write--; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
205 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
206 if (ev->index < --nevents) { |
2809 | 207 e = event_index[nevents]; |
208 event_index[ev->index] = e; | |
209 e->index = ev->index; | |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
212 ev->index = NGX_INVALID_INDEX; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
213 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
214 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
217 |
501 | 218 static ngx_int_t |
563 | 219 ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
220 ngx_uint_t flags) | |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 { |
2778 | 222 int ready, nready; |
223 ngx_err_t err; | |
224 ngx_uint_t i, found; | |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
225 ngx_event_t *ev; |
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
226 ngx_queue_t *queue; |
2778 | 227 struct timeval tv, *tp; |
228 ngx_connection_t *c; | |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
230 #if (NGX_DEBUG) |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
231 if (cycle->log->log_level & NGX_LOG_DEBUG_ALL) { |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
232 for (i = 0; i < nevents; i++) { |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
233 ev = event_index[i]; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
234 c = ev->data; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
235 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
236 "select event: fd:%d wr:%d", c->fd, ev->write); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
237 } |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
238 } |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
239 #endif |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
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241 if (timer == NGX_TIMER_INFINITE) { |
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242 tp = NULL; |
315
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243 |
316
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244 } else { |
557 | 245 tv.tv_sec = (long) (timer / 1000); |
246 tv.tv_usec = (long) ((timer % 1000) * 1000); | |
315
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247 tp = &tv; |
26
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248 } |
314
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249 |
302
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250 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 251 "select timer: %M", timer); |
0
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252 |
315
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253 work_read_fd_set = master_read_fd_set; |
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254 work_write_fd_set = master_write_fd_set; |
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255 work_except_fd_set = master_write_fd_set; |
315
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256 |
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257 if (max_read || max_write) { |
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258 ready = select(0, &work_read_fd_set, &work_write_fd_set, |
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259 &work_except_fd_set, tp); |
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260 |
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261 } else { |
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262 |
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263 /* |
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264 * Winsock select() requires that at least one descriptor set must be |
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265 * be non-null, and any non-null descriptor set must contain at least |
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266 * one handle to a socket. Otherwise select() returns WSAEINVAL. |
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267 */ |
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268 |
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269 ngx_msleep(timer); |
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270 |
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271 ready = 0; |
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272 } |
563 | 273 |
3043 | 274 err = (ready == -1) ? ngx_socket_errno : 0; |
0
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275 |
563 | 276 if (flags & NGX_UPDATE_TIME) { |
3475
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277 ngx_time_update(); |
563 | 278 } |
178
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279 |
302
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280 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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281 "select ready %d", ready); |
245
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282 |
114
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283 if (err) { |
302
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284 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, "select() failed"); |
2780 | 285 |
286 if (err == WSAENOTSOCK) { | |
287 ngx_select_repair_fd_sets(cycle); | |
288 } | |
289 | |
114
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290 return NGX_ERROR; |
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291 } |
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292 |
567 | 293 if (ready == 0) { |
294 if (timer != NGX_TIMER_INFINITE) { | |
295 return NGX_OK; | |
296 } | |
297 | |
298 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
299 "select() returned no events without timeout"); | |
300 return NGX_ERROR; | |
563 | 301 } |
302 | |
17
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303 nready = 0; |
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304 |
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305 for (i = 0; i < nevents; i++) { |
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306 ev = event_index[i]; |
250
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307 c = ev->data; |
0
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308 found = 0; |
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309 |
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310 if (ev->write) { |
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311 if (FD_ISSET(c->fd, &work_write_fd_set)) { |
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312 found++; |
302
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313 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
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314 "select write %d", c->fd); |
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315 } |
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316 |
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317 if (FD_ISSET(c->fd, &work_except_fd_set)) { |
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318 found++; |
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319 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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320 "select except %d", c->fd); |
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321 } |
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322 |
0
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323 } else { |
8
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324 if (FD_ISSET(c->fd, &work_read_fd_set)) { |
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325 found++; |
302
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326 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
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327 "select read %d", c->fd); |
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328 } |
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329 } |
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330 |
17
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331 if (found) { |
314
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332 ev->ready = 1; |
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333 ev->available = -1; |
314
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334 |
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335 queue = ev->accept ? &ngx_posted_accept_events |
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336 : &ngx_posted_events; |
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337 |
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338 ngx_post_event(ev, queue); |
314
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339 |
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340 nready += found; |
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341 } |
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342 } |
13
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343 |
314
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344 if (ready != nready) { |
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345 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
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346 "select ready != events: %d:%d", ready, nready); |
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347 |
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348 ngx_select_repair_fd_sets(cycle); |
0
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349 } |
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350 |
8
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351 return NGX_OK; |
0
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352 } |
91
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353 |
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354 |
2780 | 355 static void |
356 ngx_select_repair_fd_sets(ngx_cycle_t *cycle) | |
357 { | |
358 int n; | |
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359 u_int i; |
2780 | 360 socklen_t len; |
361 ngx_err_t err; | |
362 ngx_socket_t s; | |
363 | |
364 for (i = 0; i < master_read_fd_set.fd_count; i++) { | |
365 | |
366 s = master_read_fd_set.fd_array[i]; | |
367 len = sizeof(int); | |
368 | |
369 if (getsockopt(s, SOL_SOCKET, SO_TYPE, (char *) &n, &len) == -1) { | |
370 err = ngx_socket_errno; | |
371 | |
372 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
373 "invalid descriptor #%d in read fd_set", s); | |
374 | |
375 FD_CLR(s, &master_read_fd_set); | |
376 } | |
377 } | |
378 | |
379 for (i = 0; i < master_write_fd_set.fd_count; i++) { | |
380 | |
381 s = master_write_fd_set.fd_array[i]; | |
382 len = sizeof(int); | |
383 | |
384 if (getsockopt(s, SOL_SOCKET, SO_TYPE, (char *) &n, &len) == -1) { | |
385 err = ngx_socket_errno; | |
386 | |
387 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
388 "invalid descriptor #%d in write fd_set", s); | |
389 | |
390 FD_CLR(s, &master_write_fd_set); | |
391 } | |
392 } | |
393 } | |
394 | |
395 | |
501 | 396 static char * |
397 ngx_select_init_conf(ngx_cycle_t *cycle, void *conf) | |
91
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398 { |
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399 ngx_event_conf_t *ecf; |
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400 |
114
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401 ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module); |
91
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402 |
321
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nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
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403 if (ecf->use != ngx_select_module.ctx_index) { |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
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404 return NGX_CONF_OK; |
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nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
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405 } |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
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406 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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407 return NGX_CONF_OK; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
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408 } |