Mercurial > hg > nginx
annotate src/event/modules/ngx_select_module.c @ 4424:aacd7356c197
Limit req: unbreak compilation with MSVC.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 30 Jan 2012 13:19:25 +0000 |
parents | d620f497c50f |
children | 32847478c2c1 |
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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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 |
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30 static ngx_int_t max_fd; |
314
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31 static ngx_uint_t nevents; |
17
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32 |
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33 static ngx_event_t **event_index; |
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34 |
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35 |
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36 static ngx_str_t select_name = ngx_string("select"); |
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37 |
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38 ngx_event_module_t ngx_select_module_ctx = { |
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39 &select_name, |
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40 NULL, /* create configuration */ |
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41 ngx_select_init_conf, /* init configuration */ |
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42 |
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43 { |
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44 ngx_select_add_event, /* add an event */ |
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45 ngx_select_del_event, /* delete an event */ |
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46 ngx_select_add_event, /* enable an event */ |
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47 ngx_select_del_event, /* disable an event */ |
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48 NULL, /* add an connection */ |
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49 NULL, /* delete an connection */ |
380
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50 NULL, /* process the changes */ |
91
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51 ngx_select_process_events, /* process the events */ |
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52 ngx_select_init, /* init the events */ |
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53 ngx_select_done /* done the events */ |
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54 } |
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55 |
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56 }; |
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57 |
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58 ngx_module_t ngx_select_module = { |
509 | 59 NGX_MODULE_V1, |
91
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60 &ngx_select_module_ctx, /* module context */ |
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61 NULL, /* module directives */ |
96
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62 NGX_EVENT_MODULE, /* module type */ |
541 | 63 NULL, /* init master */ |
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64 NULL, /* init module */ |
541 | 65 NULL, /* init process */ |
66 NULL, /* init thread */ | |
67 NULL, /* exit thread */ | |
68 NULL, /* exit process */ | |
69 NULL, /* exit master */ | |
70 NGX_MODULE_V1_PADDING | |
91
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71 }; |
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72 |
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73 |
501 | 74 static ngx_int_t |
563 | 75 ngx_select_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
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76 { |
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77 ngx_event_t **index; |
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78 |
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79 if (event_index == NULL) { |
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80 FD_ZERO(&master_read_fd_set); |
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81 FD_ZERO(&master_write_fd_set); |
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82 nevents = 0; |
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83 } |
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84 |
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85 if (ngx_process >= NGX_PROCESS_WORKER |
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86 || cycle->old_cycle == NULL |
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87 || cycle->old_cycle->connection_n < cycle->connection_n) |
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88 { |
501 | 89 index = ngx_alloc(sizeof(ngx_event_t *) * 2 * cycle->connection_n, |
90 cycle->log); | |
91 if (index == NULL) { | |
92 return NGX_ERROR; | |
93 } | |
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94 |
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95 if (event_index) { |
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96 ngx_memcpy(index, event_index, sizeof(ngx_event_t *) * nevents); |
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97 ngx_free(event_index); |
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98 } |
563 | 99 |
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100 event_index = index; |
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101 } |
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102 |
114
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103 ngx_io = ngx_os_io; |
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104 |
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105 ngx_event_actions = ngx_select_module_ctx.actions; |
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106 |
563 | 107 ngx_event_flags = NGX_USE_LEVEL_EVENT; |
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108 |
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109 max_fd = -1; |
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110 |
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111 return NGX_OK; |
0
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112 } |
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113 |
91
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114 |
501 | 115 static void |
116 ngx_select_done(ngx_cycle_t *cycle) | |
91
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117 { |
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118 ngx_free(event_index); |
114
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119 |
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120 event_index = NULL; |
91
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121 } |
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122 |
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|
123 |
501 | 124 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
|
125 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
|
126 { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
127 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
|
128 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
129 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
|
130 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
131 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
1354
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parents:
708
diff
changeset
|
132 "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
|
133 |
38
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
134 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
|
135 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
1354
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make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
136 "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
|
137 return NGX_OK; |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
138 } |
2ffaa35fba42
nginx-0.0.1-2002-12-24-10:09:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
139 |
2808
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
140 if ((event == NGX_READ_EVENT && ev->write) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
141 || (event == NGX_WRITE_EVENT && !ev->write)) |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
142 { |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
143 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
|
144 "invalid select %s event fd:%d ev:%i", |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
145 ev->write ? "write" : "read", c->fd, event); |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
146 return NGX_ERROR; |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
147 } |
b7b2b0ea3366
test event type to prevent errors
Igor Sysoev <igor@sysoev.ru>
parents:
2781
diff
changeset
|
148 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
149 if (event == NGX_READ_EVENT) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
150 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
|
151 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
152 } else if (event == NGX_WRITE_EVENT) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
153 FD_SET(c->fd, &master_write_fd_set); |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
154 } |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
155 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
156 if (max_fd != -1 && max_fd < c->fd) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
157 max_fd = c->fd; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
158 } |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
159 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
38
diff
changeset
|
160 ev->active = 1; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
162 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
|
163 ev->index = nevents; |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
164 nevents++; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
166 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
169 |
501 | 170 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
|
171 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
|
172 { |
2809 | 173 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
|
174 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
|
175 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
176 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
|
177 |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
178 ev->active = 0; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
179 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
180 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
|
181 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
|
182 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
183 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
184 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
1354
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make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
185 "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
|
186 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
187 if (event == NGX_READ_EVENT) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
188 FD_CLR(c->fd, &master_read_fd_set); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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 } else if (event == NGX_WRITE_EVENT) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
191 FD_CLR(c->fd, &master_write_fd_set); |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
192 } |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
193 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
194 if (max_fd == c->fd) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
195 max_fd = -1; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
196 } |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
197 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
708
diff
changeset
|
198 if (ev->index < --nevents) { |
2809 | 199 e = event_index[nevents]; |
200 event_index[ev->index] = e; | |
201 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
|
202 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
204 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
|
205 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
206 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
209 |
501 | 210 static ngx_int_t |
563 | 211 ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
212 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
|
213 { |
2778 | 214 int ready, nready; |
215 ngx_err_t err; | |
216 ngx_uint_t i, found; | |
217 ngx_event_t *ev, **queue; | |
218 struct timeval tv, *tp; | |
219 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
|
220 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 if (max_fd == -1) { |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
222 for (i = 0; i < nevents; i++) { |
250
1903c6821958
nginx-0.0.2-2004-02-03-23:27:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
248
diff
changeset
|
223 c = event_index[i]->data; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
224 if (max_fd < c->fd) { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
225 max_fd = c->fd; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
91
diff
changeset
|
226 } |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
229 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
230 "change max_fd: %d", max_fd); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 } |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
232 |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
233 #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
|
234 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
|
235 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
|
236 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
|
237 c = ev->data; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
238 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
|
239 "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
|
240 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
241 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
321
diff
changeset
|
242 ngx_log_debug1(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
|
243 "max_fd: %d", max_fd); |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
244 } |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
245 #endif |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
247 if (timer == NGX_TIMER_INFINITE) { |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
248 tp = NULL; |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
249 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
250 } else { |
557 | 251 tv.tv_sec = (long) (timer / 1000); |
252 tv.tv_usec = (long) ((timer % 1000) * 1000); | |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
253 tp = &tv; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
23
diff
changeset
|
254 } |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
255 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
256 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 257 "select timer: %M", timer); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 |
315
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
259 work_read_fd_set = master_read_fd_set; |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
260 work_write_fd_set = master_write_fd_set; |
39b6f2df45c0
nginx-0.0.3-2004-04-14-21:44:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
261 |
114
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
107
diff
changeset
|
262 ready = select(max_fd + 1, &work_read_fd_set, &work_write_fd_set, NULL, tp); |
563 | 263 |
3043 | 264 err = (ready == -1) ? ngx_errno : 0; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
265 |
3473
0299cf5856fc
do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents:
3358
diff
changeset
|
266 if (flags & NGX_UPDATE_TIME || ngx_event_timer_alarm) { |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
267 ngx_time_update(); |
563 | 268 } |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
269 |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
270 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
271 "select ready %d", ready); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
272 |
563 | 273 if (err) { |
1704
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
274 ngx_uint_t level; |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
275 |
563 | 276 if (err == NGX_EINTR) { |
277 | |
278 if (ngx_event_timer_alarm) { | |
279 ngx_event_timer_alarm = 0; | |
280 return NGX_OK; | |
281 } | |
577 | 282 |
563 | 283 level = NGX_LOG_INFO; |
577 | 284 |
285 } else { | |
563 | 286 level = NGX_LOG_ALERT; |
287 } | |
288 | |
289 ngx_log_error(level, cycle->log, err, "select() failed"); | |
2780 | 290 |
291 if (err == EBADF) { | |
292 ngx_select_repair_fd_sets(cycle); | |
293 } | |
294 | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
295 return NGX_ERROR; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
296 } |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
297 |
567 | 298 if (ready == 0) { |
299 if (timer != NGX_TIMER_INFINITE) { | |
300 return NGX_OK; | |
301 } | |
302 | |
303 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
304 "select() returned no events without timeout"); | |
305 return NGX_ERROR; | |
563 | 306 } |
307 | |
308 ngx_mutex_lock(ngx_posted_events_mutex); | |
309 | |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
310 nready = 0; |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
311 |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
312 for (i = 0; i < nevents; i++) { |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
313 ev = event_index[i]; |
250
1903c6821958
nginx-0.0.2-2004-02-03-23:27:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
248
diff
changeset
|
314 c = ev->data; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
315 found = 0; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
317 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
|
318 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
|
319 found = 1; |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
320 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
321 "select write %d", c->fd); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
324 } else { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
325 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
|
326 found = 1; |
302
1526e7686b20
nginx-0.0.3-2004-04-01-10:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
327 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
230
diff
changeset
|
328 "select read %d", c->fd); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
329 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
330 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
331 |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
332 if (found) { |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
333 ev->ready = 1; |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
334 |
563 | 335 queue = (ngx_event_t **) (ev->accept ? &ngx_posted_accept_events: |
336 &ngx_posted_events); | |
577 | 337 ngx_locked_post_event(ev, queue); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
338 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
339 nready++; |
17
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
340 } |
8dd06e2844f5
nginx-0.0.1-2002-09-27-19:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
13
diff
changeset
|
341 } |
13
2aba961a1d34
nginx-0.0.1-2002-09-16-19:01:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
8
diff
changeset
|
342 |
563 | 343 ngx_mutex_unlock(ngx_posted_events_mutex); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
344 |
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
302
diff
changeset
|
345 if (ready != nready) { |
2781
f545c81e5ddb
try to repair the case "select ready != events"
Igor Sysoev <igor@sysoev.ru>
parents:
2780
diff
changeset
|
346 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
f545c81e5ddb
try to repair the case "select ready != events"
Igor Sysoev <igor@sysoev.ru>
parents:
2780
diff
changeset
|
347 "select ready != events: %d:%d", ready, nready); |
f545c81e5ddb
try to repair the case "select ready != events"
Igor Sysoev <igor@sysoev.ru>
parents:
2780
diff
changeset
|
348 |
f545c81e5ddb
try to repair the case "select ready != events"
Igor Sysoev <igor@sysoev.ru>
parents:
2780
diff
changeset
|
349 ngx_select_repair_fd_sets(cycle); |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
350 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
351 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
352 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
353 } |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
354 |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
355 |
2780 | 356 static void |
357 ngx_select_repair_fd_sets(ngx_cycle_t *cycle) | |
358 { | |
359 int n; | |
360 socklen_t len; | |
361 ngx_err_t err; | |
362 ngx_socket_t s; | |
363 | |
364 for (s = 0; s <= max_fd; s++) { | |
365 | |
366 if (FD_ISSET(s, &master_read_fd_set) == 0) { | |
367 continue; | |
368 } | |
369 | |
370 len = sizeof(int); | |
371 | |
372 if (getsockopt(s, SOL_SOCKET, SO_TYPE, &n, &len) == -1) { | |
373 err = ngx_socket_errno; | |
374 | |
375 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
376 "invalid descriptor #%d in read fd_set", s); | |
377 | |
378 FD_CLR(s, &master_read_fd_set); | |
379 } | |
380 } | |
381 | |
382 for (s = 0; s <= max_fd; s++) { | |
383 | |
384 if (FD_ISSET(s, &master_write_fd_set) == 0) { | |
385 continue; | |
386 } | |
387 | |
388 len = sizeof(int); | |
389 | |
390 if (getsockopt(s, SOL_SOCKET, SO_TYPE, &n, &len) == -1) { | |
391 err = ngx_socket_errno; | |
392 | |
393 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
394 "invalid descriptor #%d in write fd_set", s); | |
395 | |
396 FD_CLR(s, &master_write_fd_set); | |
397 } | |
398 } | |
399 | |
400 max_fd = -1; | |
401 } | |
402 | |
403 | |
501 | 404 static char * |
405 ngx_select_init_conf(ngx_cycle_t *cycle, void *conf) | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
406 { |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
407 ngx_event_conf_t *ecf; |
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
408 |
114
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
107
diff
changeset
|
409 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
|
410 |
321
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
411 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
|
412 return NGX_CONF_OK; |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
413 } |
32847588a82a
nginx-0.0.3-2004-04-19-20:36:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
318
diff
changeset
|
414 |
121
b3655b21375a
nginx-0.0.1-2003-07-22-23:53:10 import
Igor Sysoev <igor@sysoev.ru>
parents:
120
diff
changeset
|
415 /* disable warning: the default FD_SETSIZE is 1024U in FreeBSD 5.x */ |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
102
diff
changeset
|
416 |
2062
90312b616162
prepare to allow various number of connections in child processes
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
417 if (cycle->connection_n > FD_SETSIZE) { |
248
e885208c518b
nginx-0.0.2-2004-02-03-00:19:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
418 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
e885208c518b
nginx-0.0.2-2004-02-03-00:19:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
419 "the maximum number of files " |
2062
90312b616162
prepare to allow various number of connections in child processes
Igor Sysoev <igor@sysoev.ru>
parents:
1704
diff
changeset
|
420 "supported by select() is %ud", FD_SETSIZE); |
248
e885208c518b
nginx-0.0.2-2004-02-03-00:19:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
421 return NGX_CONF_ERROR; |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
|
422 } |
563 | 423 |
2813
c00763aa5e1b
divide select module into two modules: Unix and Win32 ones
Igor Sysoev <igor@sysoev.ru>
parents:
2809
diff
changeset
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424 #if (NGX_THREADS) |
563 | 425 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
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426 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0, |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
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427 "select() is not supported in the threaded mode"); |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
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428 return NGX_CONF_ERROR; |
563 | 429 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
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430 #else |
563 | 431 |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
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432 return NGX_CONF_OK; |
563 | 433 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
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434 #endif |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
diff
changeset
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435 } |