Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_win32_select_module.c @ 5885:5a042519bfe7
Upstream: limited next_upstream time and tries when resolving DNS.
When got multiple upstream IP addresses using DNS resolving, the number of
upstreams tries and the maxinum time spent for these tries were not affected.
This patch fixed it.
author | Gu Feng <flygoast@126.com> |
---|---|
date | Mon, 27 Oct 2014 19:52:03 +0800 |
parents | 3f5f0ab59b35 |
children | 466bd63b63d1 |
rev | line source |
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91
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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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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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11 |
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12 |
563 | 13 static ngx_int_t ngx_select_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
114
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14 static void ngx_select_done(ngx_cycle_t *cycle); |
1354
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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 |
26
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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 |
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30 static ngx_uint_t max_read; |
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31 static ngx_uint_t max_write; |
314
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32 static ngx_uint_t nevents; |
17
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33 |
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34 static ngx_event_t **event_index; |
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35 |
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36 |
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37 static ngx_str_t select_name = ngx_string("select"); |
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38 |
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39 ngx_event_module_t ngx_select_module_ctx = { |
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40 &select_name, |
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41 NULL, /* create configuration */ |
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42 ngx_select_init_conf, /* init configuration */ |
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43 |
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44 { |
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45 ngx_select_add_event, /* add an event */ |
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46 ngx_select_del_event, /* delete an event */ |
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47 ngx_select_add_event, /* enable an event */ |
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48 ngx_select_del_event, /* disable an event */ |
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49 NULL, /* add an connection */ |
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50 NULL, /* delete an connection */ |
380
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51 NULL, /* process the changes */ |
91
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52 ngx_select_process_events, /* process the events */ |
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53 ngx_select_init, /* init the events */ |
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54 ngx_select_done /* done the events */ |
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55 } |
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56 |
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57 }; |
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58 |
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59 ngx_module_t ngx_select_module = { |
509 | 60 NGX_MODULE_V1, |
91
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61 &ngx_select_module_ctx, /* module context */ |
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62 NULL, /* module directives */ |
96
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63 NGX_EVENT_MODULE, /* module type */ |
541 | 64 NULL, /* init master */ |
114
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65 NULL, /* init module */ |
541 | 66 NULL, /* init process */ |
67 NULL, /* init thread */ | |
68 NULL, /* exit thread */ | |
69 NULL, /* exit process */ | |
70 NULL, /* exit master */ | |
71 NGX_MODULE_V1_PADDING | |
91
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72 }; |
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73 |
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74 |
501 | 75 static ngx_int_t |
563 | 76 ngx_select_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
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77 { |
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78 ngx_event_t **index; |
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79 |
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80 if (event_index == NULL) { |
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81 FD_ZERO(&master_read_fd_set); |
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82 FD_ZERO(&master_write_fd_set); |
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83 nevents = 0; |
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84 } |
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85 |
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86 if (ngx_process >= NGX_PROCESS_WORKER |
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87 || cycle->old_cycle == NULL |
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88 || cycle->old_cycle->connection_n < cycle->connection_n) |
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89 { |
501 | 90 index = ngx_alloc(sizeof(ngx_event_t *) * 2 * cycle->connection_n, |
91 cycle->log); | |
92 if (index == NULL) { | |
93 return NGX_ERROR; | |
94 } | |
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95 |
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96 if (event_index) { |
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97 ngx_memcpy(index, event_index, sizeof(ngx_event_t *) * nevents); |
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98 ngx_free(event_index); |
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99 } |
563 | 100 |
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101 event_index = index; |
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102 } |
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103 |
114
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104 ngx_io = ngx_os_io; |
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105 |
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106 ngx_event_actions = ngx_select_module_ctx.actions; |
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107 |
563 | 108 ngx_event_flags = NGX_USE_LEVEL_EVENT; |
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109 |
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110 max_read = 0; |
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111 max_write = 0; |
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112 |
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113 return NGX_OK; |
0
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114 } |
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115 |
91
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116 |
501 | 117 static void |
118 ngx_select_done(ngx_cycle_t *cycle) | |
91
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119 { |
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120 ngx_free(event_index); |
114
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121 |
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122 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
|
123 } |
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 |
501 | 126 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
|
127 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
|
128 { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
129 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
|
130 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
131 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
|
132 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
133 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
|
134 "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
|
135 |
38
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
136 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
|
137 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
|
138 "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
|
139 return NGX_OK; |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
140 } |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
141 |
2808
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
142 if ((event == NGX_READ_EVENT && ev->write) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
143 || (event == NGX_WRITE_EVENT && !ev->write)) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
144 { |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
145 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
|
146 "invalid select %s event fd:%d ev:%i", |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
147 ev->write ? "write" : "read", c->fd, event); |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
148 return NGX_ERROR; |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
149 } |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
150 |
5360
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
151 if ((event == NGX_READ_EVENT && max_read >= FD_SETSIZE) |
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
152 || (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
|
153 { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
154 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
|
155 "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
|
156 "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
|
157 return NGX_ERROR; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
160 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
|
161 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
|
162 max_read++; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
164 } 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
|
165 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
|
166 max_write++; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
167 } |
179
9f3a78b06c48
nginx-0.0.1-2003-11-11-21:13:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
168 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
169 ev->active = 1; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
171 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
|
172 ev->index = nevents; |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
173 nevents++; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
175 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
178 |
501 | 179 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
|
180 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
|
181 { |
2809 | 182 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
|
183 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
|
184 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
185 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
|
186 |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
187 ev->active = 0; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
188 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
189 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
|
190 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
|
191 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
192 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
193 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
|
194 "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
|
195 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
196 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
|
197 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
|
198 max_read--; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
200 } 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
|
201 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
|
202 max_write--; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
204 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
205 if (ev->index < --nevents) { |
2809 | 206 e = event_index[nevents]; |
207 event_index[ev->index] = e; | |
208 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
|
209 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
211 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
|
212 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
213 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
216 |
501 | 217 static ngx_int_t |
563 | 218 ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
219 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
|
220 { |
2778 | 221 int ready, nready; |
222 ngx_err_t err; | |
223 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
|
224 ngx_event_t *ev; |
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
225 ngx_queue_t *queue; |
2778 | 226 struct timeval tv, *tp; |
227 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
|
228 |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
229 #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
|
230 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
|
231 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
|
232 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
|
233 c = ev->data; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
234 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
|
235 "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
|
236 } |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
237 } |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
238 #endif |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
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315
diff
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|
240 if (timer == NGX_TIMER_INFINITE) { |
a0beefedaf94
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Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
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|
241 tp = NULL; |
315
39b6f2df45c0
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314
diff
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|
242 |
316
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243 } else { |
557 | 244 tv.tv_sec = (long) (timer / 1000); |
245 tv.tv_usec = (long) ((timer % 1000) * 1000); | |
315
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246 tp = &tv; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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23
diff
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|
247 } |
314
d71c87d11b16
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302
diff
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248 |
302
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249 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 250 "select timer: %M", timer); |
0
4eff17414a43
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251 |
315
39b6f2df45c0
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314
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252 work_read_fd_set = master_read_fd_set; |
39b6f2df45c0
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253 work_write_fd_set = master_write_fd_set; |
39b6f2df45c0
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314
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254 |
2777
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handle Winsock select() WSAEINVAL
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255 if (max_read || max_write) { |
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handle Winsock select() WSAEINVAL
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256 ready = select(0, &work_read_fd_set, &work_write_fd_set, NULL, tp); |
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handle Winsock select() WSAEINVAL
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257 |
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handle Winsock select() WSAEINVAL
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258 } else { |
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handle Winsock select() WSAEINVAL
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259 |
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handle Winsock select() WSAEINVAL
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260 /* |
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261 * Winsock select() requires that at least one descriptor set must be |
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262 * be non-null, and any non-null descriptor set must contain at least |
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263 * one handle to a socket. Otherwise select() returns WSAEINVAL. |
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handle Winsock select() WSAEINVAL
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264 */ |
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265 |
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266 ngx_msleep(timer); |
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267 |
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268 ready = 0; |
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269 } |
563 | 270 |
3043 | 271 err = (ready == -1) ? ngx_socket_errno : 0; |
0
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272 |
563 | 273 if (flags & NGX_UPDATE_TIME) { |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
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274 ngx_time_update(); |
563 | 275 } |
178
a8ff48d26cca
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144
diff
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|
276 |
302
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277 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
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278 "select ready %d", ready); |
245
e6c005b66b3a
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diff
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279 |
114
ac69ab96328d
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107
diff
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|
280 if (err) { |
302
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281 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, "select() failed"); |
2780 | 282 |
283 if (err == WSAENOTSOCK) { | |
284 ngx_select_repair_fd_sets(cycle); | |
285 } | |
286 | |
114
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287 return NGX_ERROR; |
ac69ab96328d
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288 } |
0
4eff17414a43
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parents:
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|
289 |
567 | 290 if (ready == 0) { |
291 if (timer != NGX_TIMER_INFINITE) { | |
292 return NGX_OK; | |
293 } | |
294 | |
295 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
296 "select() returned no events without timeout"); | |
297 return NGX_ERROR; | |
563 | 298 } |
299 | |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
300 nready = 0; |
8dd06e2844f5
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|
301 |
8dd06e2844f5
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diff
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|
302 for (i = 0; i < nevents; i++) { |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
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parents:
13
diff
changeset
|
303 ev = event_index[i]; |
250
1903c6821958
nginx-0.0.2-2004-02-03-23:27:11 import
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parents:
248
diff
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|
304 c = ev->data; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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305 found = 0; |
4eff17414a43
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|
306 |
4eff17414a43
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parents:
diff
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|
307 if (ev->write) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
308 if (FD_ISSET(c->fd, &work_write_fd_set)) { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
309 found = 1; |
302
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310 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
e6c005b66b3a
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parents:
230
diff
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|
311 "select write %d", c->fd); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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parents:
diff
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|
312 } |
4eff17414a43
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|
313 |
4eff17414a43
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|
314 } else { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
315 if (FD_ISSET(c->fd, &work_read_fd_set)) { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
316 found = 1; |
302
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|
317 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
e6c005b66b3a
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parents:
230
diff
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|
318 "select read %d", c->fd); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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parents:
diff
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|
319 } |
4eff17414a43
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parents:
diff
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|
320 } |
4eff17414a43
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
322 if (found) { |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
302
diff
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|
323 ev->ready = 1; |
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302
diff
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|
324 |
5820
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Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
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5360
diff
changeset
|
325 queue = ev->accept ? &ngx_posted_accept_events |
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
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|
326 : &ngx_posted_events; |
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Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
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|
327 |
3377f9459e99
Events: removed broken thread support from posted events.
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parents:
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diff
changeset
|
328 ngx_post_event(ev, queue); |
314
d71c87d11b16
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parents:
302
diff
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|
329 |
d71c87d11b16
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diff
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|
330 nready++; |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
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parents:
13
diff
changeset
|
331 } |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
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parents:
13
diff
changeset
|
332 } |
13
2aba961a1d34
nginx-0.0.1-2002-09-16-19:01:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
333 |
314
d71c87d11b16
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diff
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|
334 if (ready != nready) { |
2781
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try to repair the case "select ready != events"
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2780
diff
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|
335 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
f545c81e5ddb
try to repair the case "select ready != events"
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diff
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|
336 "select ready != events: %d:%d", ready, nready); |
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diff
changeset
|
337 |
f545c81e5ddb
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diff
changeset
|
338 ngx_select_repair_fd_sets(cycle); |
0
4eff17414a43
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parents:
diff
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|
339 } |
4eff17414a43
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parents:
diff
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|
340 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
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parents:
7
diff
changeset
|
341 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
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parents:
diff
changeset
|
342 } |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
343 |
637625a2acdb
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87
diff
changeset
|
344 |
2780 | 345 static void |
346 ngx_select_repair_fd_sets(ngx_cycle_t *cycle) | |
347 { | |
348 int n; | |
2813
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divide select module into two modules: Unix and Win32 ones
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2809
diff
changeset
|
349 u_int i; |
2780 | 350 socklen_t len; |
351 ngx_err_t err; | |
352 ngx_socket_t s; | |
353 | |
354 for (i = 0; i < master_read_fd_set.fd_count; i++) { | |
355 | |
356 s = master_read_fd_set.fd_array[i]; | |
357 len = sizeof(int); | |
358 | |
359 if (getsockopt(s, SOL_SOCKET, SO_TYPE, (char *) &n, &len) == -1) { | |
360 err = ngx_socket_errno; | |
361 | |
362 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
363 "invalid descriptor #%d in read fd_set", s); | |
364 | |
365 FD_CLR(s, &master_read_fd_set); | |
366 } | |
367 } | |
368 | |
369 for (i = 0; i < master_write_fd_set.fd_count; i++) { | |
370 | |
371 s = master_write_fd_set.fd_array[i]; | |
372 len = sizeof(int); | |
373 | |
374 if (getsockopt(s, SOL_SOCKET, SO_TYPE, (char *) &n, &len) == -1) { | |
375 err = ngx_socket_errno; | |
376 | |
377 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
378 "invalid descriptor #%d in write fd_set", s); | |
379 | |
380 FD_CLR(s, &master_write_fd_set); | |
381 } | |
382 } | |
383 } | |
384 | |
385 | |
501 | 386 static char * |
387 ngx_select_init_conf(ngx_cycle_t *cycle, void *conf) | |
91
637625a2acdb
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parents:
87
diff
changeset
|
388 { |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
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parents:
87
diff
changeset
|
389 ngx_event_conf_t *ecf; |
637625a2acdb
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parents:
87
diff
changeset
|
390 |
114
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
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107
diff
changeset
|
391 ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module); |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
392 |
321
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
393 if (ecf->use != ngx_select_module.ctx_index) { |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
394 return NGX_CONF_OK; |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
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parents:
318
diff
changeset
|
395 } |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
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parents:
318
diff
changeset
|
396 |
91
637625a2acdb
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parents:
87
diff
changeset
|
397 return NGX_CONF_OK; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
398 } |