Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_devpoll_module.c @ 8869:f8f6b9fee66a
FastCGI: combining headers with identical names (ticket #1724).
FastCGI responder is expected to receive CGI/1.1 environment variables
in the parameters (see section "6.2 Responder" of the FastCGI specification).
Obviously enough, there cannot be multiple environment variables with
the same name.
Further, CGI specification (RFC 3875, section "4.1.18. Protocol-Specific
Meta-Variables") explicitly requires to combine headers: "If multiple
header fields with the same field-name are received then the server MUST
rewrite them as a single value having the same semantics".
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 30 May 2022 21:25:27 +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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7 |
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8 #include <ngx_config.h> |
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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 |
469 | 13 #if (NGX_TEST_BUILD_DEVPOLL) |
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14 |
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15 /* Solaris declarations */ |
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16 |
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17 #ifndef POLLREMOVE |
1433 | 18 #define POLLREMOVE 0x0800 |
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19 #endif |
1433 | 20 #define DP_POLL 0xD001 |
21 #define DP_ISPOLLED 0xD002 | |
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22 |
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23 struct dvpoll { |
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24 struct pollfd *dp_fds; |
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25 int dp_nfds; |
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26 int dp_timeout; |
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27 }; |
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29 #endif |
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32 typedef struct { |
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33 ngx_uint_t changes; |
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34 ngx_uint_t events; |
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35 } ngx_devpoll_conf_t; |
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36 |
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37 |
563 | 38 static ngx_int_t ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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39 static void ngx_devpoll_done(ngx_cycle_t *cycle); |
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40 static ngx_int_t ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event, |
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41 ngx_uint_t flags); |
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42 static ngx_int_t ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event, |
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43 ngx_uint_t flags); |
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44 static ngx_int_t ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event, |
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45 ngx_uint_t flags); |
563 | 46 static ngx_int_t ngx_devpoll_process_events(ngx_cycle_t *cycle, |
47 ngx_msec_t timer, ngx_uint_t flags); | |
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48 |
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49 static void *ngx_devpoll_create_conf(ngx_cycle_t *cycle); |
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50 static char *ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf); |
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51 |
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52 static int dp = -1; |
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53 static struct pollfd *change_list, *event_list; |
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54 static ngx_uint_t nchanges, max_changes, nevents; |
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55 |
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56 static ngx_event_t **change_index; |
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58 |
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59 static ngx_str_t devpoll_name = ngx_string("/dev/poll"); |
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60 |
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61 static ngx_command_t ngx_devpoll_commands[] = { |
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62 |
499 | 63 { ngx_string("devpoll_changes"), |
64 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
65 ngx_conf_set_num_slot, | |
66 0, | |
67 offsetof(ngx_devpoll_conf_t, changes), | |
68 NULL }, | |
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69 |
499 | 70 { ngx_string("devpoll_events"), |
71 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
72 ngx_conf_set_num_slot, | |
73 0, | |
74 offsetof(ngx_devpoll_conf_t, events), | |
75 NULL }, | |
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76 |
499 | 77 ngx_null_command |
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78 }; |
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79 |
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80 |
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81 static ngx_event_module_t ngx_devpoll_module_ctx = { |
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82 &devpoll_name, |
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83 ngx_devpoll_create_conf, /* create configuration */ |
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84 ngx_devpoll_init_conf, /* init configuration */ |
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85 |
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86 { |
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87 ngx_devpoll_add_event, /* add an event */ |
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88 ngx_devpoll_del_event, /* delete an event */ |
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89 ngx_devpoll_add_event, /* enable an event */ |
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90 ngx_devpoll_del_event, /* disable an event */ |
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91 NULL, /* add an connection */ |
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92 NULL, /* delete an connection */ |
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93 NULL, /* trigger a notify */ |
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94 ngx_devpoll_process_events, /* process the events */ |
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95 ngx_devpoll_init, /* init the events */ |
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96 ngx_devpoll_done, /* done the events */ |
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97 } |
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98 |
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99 }; |
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100 |
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101 ngx_module_t ngx_devpoll_module = { |
509 | 102 NGX_MODULE_V1, |
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103 &ngx_devpoll_module_ctx, /* module context */ |
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104 ngx_devpoll_commands, /* module directives */ |
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105 NGX_EVENT_MODULE, /* module type */ |
541 | 106 NULL, /* init master */ |
116
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107 NULL, /* init module */ |
541 | 108 NULL, /* init process */ |
109 NULL, /* init thread */ | |
110 NULL, /* exit thread */ | |
111 NULL, /* exit process */ | |
112 NULL, /* exit master */ | |
113 NGX_MODULE_V1_PADDING | |
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114 }; |
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115 |
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116 |
499 | 117 static ngx_int_t |
563 | 118 ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
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119 { |
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120 size_t n; |
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121 ngx_devpoll_conf_t *dpcf; |
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122 |
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123 dpcf = ngx_event_get_conf(cycle->conf_ctx, ngx_devpoll_module); |
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124 |
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125 if (dp == -1) { |
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126 dp = open("/dev/poll", O_RDWR); |
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Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
127 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
128 if (dp == -1) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
129 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
130 "open(/dev/poll) failed"); |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
131 return NGX_ERROR; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
132 } |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
133 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
134 |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
135 if (max_changes < dpcf->changes) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
136 if (nchanges) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
137 n = nchanges * sizeof(struct pollfd); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
138 if (write(dp, change_list, n) != (ssize_t) n) { |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
139 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
140 "write(/dev/poll) failed"); |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
141 return NGX_ERROR; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
142 } |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
143 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
144 nchanges = 0; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
145 } |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
146 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
147 if (change_list) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
148 ngx_free(change_list); |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
149 } |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
150 |
501 | 151 change_list = ngx_alloc(sizeof(struct pollfd) * dpcf->changes, |
152 cycle->log); | |
153 if (change_list == NULL) { | |
154 return NGX_ERROR; | |
155 } | |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
156 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
157 if (change_index) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
158 ngx_free(change_index); |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
159 } |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
160 |
501 | 161 change_index = ngx_alloc(sizeof(ngx_event_t *) * dpcf->changes, |
162 cycle->log); | |
163 if (change_index == NULL) { | |
164 return NGX_ERROR; | |
165 } | |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
166 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
167 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
168 max_changes = dpcf->changes; |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
169 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
170 if (nevents < dpcf->events) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
171 if (event_list) { |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
172 ngx_free(event_list); |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
173 } |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 |
501 | 175 event_list = ngx_alloc(sizeof(struct pollfd) * dpcf->events, |
176 cycle->log); | |
177 if (event_list == NULL) { | |
178 return NGX_ERROR; | |
179 } | |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
180 } |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
182 nevents = dpcf->events; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
183 |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
184 ngx_io = ngx_os_io; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
186 ngx_event_actions = ngx_devpoll_module_ctx.actions; |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
187 |
543 | 188 ngx_event_flags = NGX_USE_LEVEL_EVENT|NGX_USE_FD_EVENT; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 return NGX_OK; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 |
499 | 194 static void |
195 ngx_devpoll_done(ngx_cycle_t *cycle) | |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
196 { |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
197 if (close(dp) == -1) { |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
198 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
199 "close(/dev/poll) failed"); |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
200 } |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
201 |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
202 dp = -1; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
203 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
204 ngx_free(change_list); |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
205 ngx_free(event_list); |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
206 ngx_free(change_index); |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
207 |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
208 change_list = NULL; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
209 event_list = NULL; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
210 change_index = NULL; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
211 max_changes = 0; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
212 nchanges = 0; |
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
213 nevents = 0; |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
214 } |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
215 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
216 |
499 | 217 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1141
diff
changeset
|
218 ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 { |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
220 #if (NGX_DEBUG) |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
221 ngx_connection_t *c; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
222 #endif |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
223 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
224 #if (NGX_READ_EVENT != POLLIN) |
452 | 225 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
226 #endif |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
227 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
228 #if (NGX_DEBUG) |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
229 c = ev->data; |
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
230 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:
1141
diff
changeset
|
231 "devpoll add event: fd:%d ev:%04Xi", c->fd, event); |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
232 #endif |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
233 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
234 ev->active = 1; |
452 | 235 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
236 return ngx_devpoll_set_event(ev, event, 0); |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
237 } |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
238 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
239 |
499 | 240 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1141
diff
changeset
|
241 ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
242 { |
109
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
243 ngx_event_t *e; |
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
244 ngx_connection_t *c; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
245 |
110
152567c11325
nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
109
diff
changeset
|
246 c = ev->data; |
152567c11325
nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
109
diff
changeset
|
247 |
452 | 248 #if (NGX_READ_EVENT != POLLIN) |
249 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT; | |
250 #endif | |
251 | |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
252 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:
1141
diff
changeset
|
253 "devpoll del event: fd:%d ev:%04Xi", c->fd, event); |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
254 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
255 if (ngx_devpoll_set_event(ev, POLLREMOVE, flags) == NGX_ERROR) { |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
256 return NGX_ERROR; |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
257 } |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
258 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
259 ev->active = 0; |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
260 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
261 if (flags & NGX_CLOSE_EVENT) { |
1431
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
262 e = (event == POLLIN) ? c->write : c->read; |
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
263 |
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
264 if (e) { |
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
265 e->active = 0; |
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
266 } |
ec3833f74cc2
disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents:
1354
diff
changeset
|
267 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
268 return NGX_OK; |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
269 } |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
270 |
1432 | 271 /* restore the pair event if it exists */ |
109
a9bc21d63fe4
nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents:
96
diff
changeset
|
272 |
452 | 273 if (event == POLLIN) { |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
274 e = c->write; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
275 event = POLLOUT; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
276 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
277 } else { |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
278 e = c->read; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
279 event = POLLIN; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
280 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 |
452 | 282 if (e && e->active) { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
283 return ngx_devpoll_set_event(e, event, 0); |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
284 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
286 return NGX_OK; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
288 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
289 |
499 | 290 static ngx_int_t |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1141
diff
changeset
|
291 ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags) |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 { |
194
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
179
diff
changeset
|
293 size_t n; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
294 ngx_connection_t *c; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
296 c = ev->data; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
298 ngx_log_debug3(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:
1141
diff
changeset
|
299 "devpoll fd:%d ev:%04Xi fl:%04Xi", c->fd, event, flags); |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
300 |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
301 if (nchanges >= max_changes) { |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 ngx_log_error(NGX_LOG_WARN, ev->log, 0, |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 "/dev/pool change list is filled up"); |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
304 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 n = nchanges * sizeof(struct pollfd); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
306 if (write(dp, change_list, n) != (ssize_t) n) { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
307 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
308 "write(/dev/poll) failed"); |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 return NGX_ERROR; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
310 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
311 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
312 nchanges = 0; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
315 change_list[nchanges].fd = c->fd; |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1141
diff
changeset
|
316 change_list[nchanges].events = (short) event; |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
317 change_list[nchanges].revents = 0; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
318 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
319 change_index[nchanges] = ev; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
320 ev->index = nchanges; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
322 nchanges++; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
324 if (flags & NGX_CLOSE_EVENT) { |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
325 n = nchanges * sizeof(struct pollfd); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
326 if (write(dp, change_list, n) != (ssize_t) n) { |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
327 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
328 "write(/dev/poll) failed"); |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
329 return NGX_ERROR; |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
330 } |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
331 |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
332 nchanges = 0; |
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
333 } |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
335 return NGX_OK; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
336 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
337 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
338 |
6923
fbdaad9b0e7b
Added missing "static" specifiers found by gcc -Wtraditional.
Ruslan Ermilov <ru@nginx.com>
parents:
6922
diff
changeset
|
339 static ngx_int_t |
563 | 340 ngx_devpoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, |
341 ngx_uint_t flags) | |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
342 { |
1433 | 343 int events, revents, rc; |
557 | 344 size_t n; |
1433 | 345 ngx_fd_t fd; |
557 | 346 ngx_err_t err; |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
347 ngx_int_t i; |
5170
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
348 ngx_uint_t level, instance; |
5821
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
349 ngx_event_t *rev, *wev; |
3f5f0ab59b35
Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents:
5820
diff
changeset
|
350 ngx_queue_t *queue; |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
351 ngx_connection_t *c; |
1433 | 352 struct pollfd pfd; |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
353 struct dvpoll dvp; |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
354 |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
355 /* NGX_TIMER_INFINITE == INFTIM */ |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
356 |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
357 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 358 "devpoll timer: %M", timer); |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
359 |
47
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
40
diff
changeset
|
360 if (nchanges) { |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
40
diff
changeset
|
361 n = nchanges * sizeof(struct pollfd); |
245
e6c005b66b3a
nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
362 if (write(dp, change_list, n) != (ssize_t) n) { |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
363 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
47
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
40
diff
changeset
|
364 "write(/dev/poll) failed"); |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
40
diff
changeset
|
365 return NGX_ERROR; |
d81326c3b21b
nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
40
diff
changeset
|
366 } |
567 | 367 |
368 nchanges = 0; | |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
369 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
370 |
40
d5d4f3bba6f0
nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
39
diff
changeset
|
371 dvp.dp_fds = event_list; |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
1141
diff
changeset
|
372 dvp.dp_nfds = (int) nevents; |
40
d5d4f3bba6f0
nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
39
diff
changeset
|
373 dvp.dp_timeout = timer; |
d5d4f3bba6f0
nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
39
diff
changeset
|
374 events = ioctl(dp, DP_POLL, &dvp); |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
375 |
3043 | 376 err = (events == -1) ? ngx_errno : 0; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
377 |
3473
0299cf5856fc
do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents:
3043
diff
changeset
|
378 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
|
379 ngx_time_update(); |
563 | 380 } |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
167
diff
changeset
|
381 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
382 if (err) { |
563 | 383 if (err == NGX_EINTR) { |
384 | |
385 if (ngx_event_timer_alarm) { | |
386 ngx_event_timer_alarm = 0; | |
387 return NGX_OK; | |
388 } | |
577 | 389 |
563 | 390 level = NGX_LOG_INFO; |
577 | 391 |
392 } else { | |
563 | 393 level = NGX_LOG_ALERT; |
394 } | |
395 | |
396 ngx_log_error(level, cycle->log, err, "ioctl(DP_POLL) failed"); | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
397 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
398 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
399 |
567 | 400 if (events == 0) { |
401 if (timer != NGX_TIMER_INFINITE) { | |
402 return NGX_OK; | |
403 } | |
114
ac69ab96328d
nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
110
diff
changeset
|
404 |
567 | 405 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
406 "ioctl(DP_POLL) returned no events without timeout"); | |
407 return NGX_ERROR; | |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
408 } |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
409 |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
410 for (i = 0; i < events; i++) { |
1433 | 411 |
412 fd = event_list[i].fd; | |
413 revents = event_list[i].revents; | |
414 | |
415 c = ngx_cycle->files[fd]; | |
416 | |
417 if (c == NULL || c->fd == -1) { | |
418 | |
419 pfd.fd = fd; | |
420 pfd.events = 0; | |
421 pfd.revents = 0; | |
422 | |
423 rc = ioctl(dp, DP_ISPOLLED, &pfd); | |
424 | |
425 switch (rc) { | |
426 | |
427 case -1: | |
428 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
5327
6b479db5b52b
Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5172
diff
changeset
|
429 "ioctl(DP_ISPOLLED) failed for socket %d, event %04Xd", |
1433 | 430 fd, revents); |
431 break; | |
115
be27f922b9a2
nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
114
diff
changeset
|
432 |
1433 | 433 case 0: |
434 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
435 "phantom event %04Xd for closed and removed socket %d", | |
436 revents, fd); | |
437 break; | |
438 | |
439 default: | |
440 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
6430
33aef5cd3d43
Events: fixed error logging in devpoll.
Roman Arutyunyan <arut@nginx.com>
parents:
6030
diff
changeset
|
441 "unexpected event %04Xd for closed and removed socket %d, " |
1433 | 442 "ioctl(DP_ISPOLLED) returned rc:%d, fd:%d, event %04Xd", |
443 revents, fd, rc, pfd.fd, pfd.revents); | |
444 | |
445 pfd.fd = fd; | |
446 pfd.events = POLLREMOVE; | |
447 pfd.revents = 0; | |
448 | |
449 if (write(dp, &pfd, sizeof(struct pollfd)) | |
450 != (ssize_t) sizeof(struct pollfd)) | |
451 { | |
452 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
5327
6b479db5b52b
Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5172
diff
changeset
|
453 "write(/dev/poll) for %d failed", fd); |
1433 | 454 } |
455 | |
456 if (close(fd) == -1) { | |
457 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
458 "close(%d) failed", fd); | |
459 } | |
460 | |
461 break; | |
473 | 462 } |
463 | |
464 continue; | |
465 } | |
466 | |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
467 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 468 "devpoll: fd:%d, ev:%04Xd, rev:%04Xd", |
1433 | 469 fd, event_list[i].events, revents); |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
470 |
483 | 471 if (revents & (POLLERR|POLLHUP|POLLNVAL)) { |
1141
2b16d3959c2b
fix building without --with-debug on Solaris
Igor Sysoev <igor@sysoev.ru>
parents:
1128
diff
changeset
|
472 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 473 "ioctl(DP_POLL) error fd:%d ev:%04Xd rev:%04Xd", |
1433 | 474 fd, event_list[i].events, revents); |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
475 } |
39
83fa61cd3d2f
nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
36
diff
changeset
|
476 |
483 | 477 if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) { |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
478 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
479 "strange ioctl(DP_POLL) events " |
461 | 480 "fd:%d ev:%04Xd rev:%04Xd", |
1433 | 481 fd, event_list[i].events, revents); |
483 | 482 } |
483 | |
6806
75dbab4ea930
Events: improved error event handling for UDP sockets.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6447
diff
changeset
|
484 if (revents & (POLLERR|POLLHUP|POLLNVAL)) { |
75dbab4ea930
Events: improved error event handling for UDP sockets.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6447
diff
changeset
|
485 |
483 | 486 /* |
6806
75dbab4ea930
Events: improved error event handling for UDP sockets.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6447
diff
changeset
|
487 * if the error events were returned, add POLLIN and POLLOUT |
75dbab4ea930
Events: improved error event handling for UDP sockets.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6447
diff
changeset
|
488 * to handle the events at least in one active handler |
483 | 489 */ |
490 | |
491 revents |= POLLIN|POLLOUT; | |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
492 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
493 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
494 rev = c->read; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
495 |
483 | 496 if ((revents & POLLIN) && rev->active) { |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
497 rev->ready = 1; |
7583
efd71d49bde0
Events: available bytes calculation via ioctl(FIONREAD).
Maxim Dounin <mdounin@mdounin.ru>
parents:
6923
diff
changeset
|
498 rev->available = -1; |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
499 |
563 | 500 if (flags & NGX_POST_EVENTS) { |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
501 queue = rev->accept ? &ngx_posted_accept_events |
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
502 : &ngx_posted_events; |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
503 |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
504 ngx_post_event(rev, queue); |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
505 |
563 | 506 } else { |
5170
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
507 instance = rev->instance; |
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
508 |
563 | 509 rev->handler(rev); |
5170
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
510 |
5172
a4d21534cbf4
Events: fixed typos in two previous commits.
Valentin Bartenev <vbart@nginx.com>
parents:
5170
diff
changeset
|
511 if (c->fd == -1 || rev->instance != instance) { |
5170
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
512 continue; |
6362bd26e4b0
Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents:
4412
diff
changeset
|
513 } |
563 | 514 } |
515 } | |
516 | |
517 wev = c->write; | |
518 | |
519 if ((revents & POLLOUT) && wev->active) { | |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
520 wev->ready = 1; |
563 | 521 |
522 if (flags & NGX_POST_EVENTS) { | |
5820
3377f9459e99
Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents:
5327
diff
changeset
|
523 ngx_post_event(wev, &ngx_posted_events); |
563 | 524 |
525 } else { | |
526 wev->handler(wev); | |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
305
diff
changeset
|
527 } |
36
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
528 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
529 } |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
530 |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
531 return NGX_OK; |
c14d7232b11f
nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
532 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
533 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
534 |
499 | 535 static void * |
536 ngx_devpoll_create_conf(ngx_cycle_t *cycle) | |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
537 { |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
538 ngx_devpoll_conf_t *dpcf; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
539 |
501 | 540 dpcf = ngx_palloc(cycle->pool, sizeof(ngx_devpoll_conf_t)); |
541 if (dpcf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
1433
diff
changeset
|
542 return NULL; |
501 | 543 } |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
544 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
545 dpcf->changes = NGX_CONF_UNSET; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
546 dpcf->events = NGX_CONF_UNSET; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
547 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
548 return dpcf; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
549 } |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
550 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
551 |
499 | 552 static char * |
553 ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf) | |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
554 { |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
555 ngx_devpoll_conf_t *dpcf = conf; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
556 |
663 | 557 ngx_conf_init_uint_value(dpcf->changes, 32); |
558 ngx_conf_init_uint_value(dpcf->events, 32); | |
92
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
559 |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
560 return NGX_CONF_OK; |
19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
561 } |