1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
77 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
78 | # define EV_USE_REALTIME 0 |
79 | # endif |
79 | # endif |
80 | # endif |
80 | # endif |
81 | |
81 | |
|
|
82 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
83 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
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|
84 | # define EV_USE_NANOSLEEP 1 |
84 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
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85 | # endif |
85 | # else |
86 | # else |
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87 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
88 | # define EV_USE_NANOSLEEP 0 |
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89 | # endif |
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90 | |
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91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
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92 | # ifndef EV_USE_SELECT |
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93 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
94 | # endif |
88 | # endif |
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89 | |
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90 | # ifndef EV_USE_SELECT |
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91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
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92 | # define EV_USE_SELECT 1 |
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93 | # else |
95 | # else |
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96 | # undef EV_USE_SELECT |
94 | # define EV_USE_SELECT 0 |
97 | # define EV_USE_SELECT 0 |
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98 | # endif |
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99 | |
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100 | # if HAVE_POLL && HAVE_POLL_H |
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101 | # ifndef EV_USE_POLL |
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102 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
95 | # endif |
103 | # endif |
96 | # endif |
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97 | |
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98 | # ifndef EV_USE_POLL |
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99 | # if HAVE_POLL && HAVE_POLL_H |
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100 | # define EV_USE_POLL 1 |
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101 | # else |
104 | # else |
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105 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
106 | # define EV_USE_POLL 0 |
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107 | # endif |
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108 | |
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109 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
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110 | # ifndef EV_USE_EPOLL |
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111 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
103 | # endif |
112 | # endif |
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113 | # else |
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114 | # undef EV_USE_EPOLL |
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115 | # define EV_USE_EPOLL 0 |
104 | # endif |
116 | # endif |
105 | |
117 | |
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118 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
106 | # ifndef EV_USE_EPOLL |
119 | # ifndef EV_USE_KQUEUE |
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
120 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
108 | # define EV_USE_EPOLL 1 |
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109 | # else |
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110 | # define EV_USE_EPOLL 0 |
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111 | # endif |
121 | # endif |
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122 | # else |
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123 | # undef EV_USE_KQUEUE |
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124 | # define EV_USE_KQUEUE 0 |
112 | # endif |
125 | # endif |
113 | |
126 | |
114 | # ifndef EV_USE_KQUEUE |
127 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
128 | # ifndef EV_USE_PORT |
116 | # define EV_USE_KQUEUE 1 |
129 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
117 | # else |
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118 | # define EV_USE_KQUEUE 0 |
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119 | # endif |
130 | # endif |
120 | # endif |
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121 | |
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122 | # ifndef EV_USE_PORT |
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123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
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124 | # define EV_USE_PORT 1 |
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125 | # else |
131 | # else |
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132 | # undef EV_USE_PORT |
126 | # define EV_USE_PORT 0 |
133 | # define EV_USE_PORT 0 |
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134 | # endif |
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135 | |
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136 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
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137 | # ifndef EV_USE_INOTIFY |
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138 | # define EV_USE_INOTIFY EV_FEATURE_OS |
127 | # endif |
139 | # endif |
128 | # endif |
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129 | |
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130 | # ifndef EV_USE_INOTIFY |
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131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
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132 | # define EV_USE_INOTIFY 1 |
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133 | # else |
140 | # else |
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141 | # undef EV_USE_INOTIFY |
134 | # define EV_USE_INOTIFY 0 |
142 | # define EV_USE_INOTIFY 0 |
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143 | # endif |
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144 | |
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145 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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146 | # ifndef EV_USE_SIGNALFD |
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147 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
135 | # endif |
148 | # endif |
136 | # endif |
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137 | |
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138 | # ifndef EV_USE_SIGNALFD |
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139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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140 | # define EV_USE_SIGNALFD 1 |
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141 | # else |
149 | # else |
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150 | # undef EV_USE_SIGNALFD |
142 | # define EV_USE_SIGNALFD 0 |
151 | # define EV_USE_SIGNALFD 0 |
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152 | # endif |
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153 | |
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154 | # if HAVE_EVENTFD |
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155 | # ifndef EV_USE_EVENTFD |
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156 | # define EV_USE_EVENTFD EV_FEATURE_OS |
143 | # endif |
157 | # endif |
144 | # endif |
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145 | |
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146 | # ifndef EV_USE_EVENTFD |
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147 | # if HAVE_EVENTFD |
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148 | # define EV_USE_EVENTFD 1 |
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149 | # else |
158 | # else |
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159 | # undef EV_USE_EVENTFD |
150 | # define EV_USE_EVENTFD 0 |
160 | # define EV_USE_EVENTFD 0 |
151 | # endif |
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|
152 | # endif |
161 | # endif |
153 | |
162 | |
154 | #endif |
163 | #endif |
155 | |
164 | |
156 | #include <math.h> |
165 | #include <math.h> |
157 | #include <stdlib.h> |
166 | #include <stdlib.h> |
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|
167 | #include <string.h> |
158 | #include <fcntl.h> |
168 | #include <fcntl.h> |
159 | #include <stddef.h> |
169 | #include <stddef.h> |
160 | |
170 | |
161 | #include <stdio.h> |
171 | #include <stdio.h> |
162 | |
172 | |
163 | #include <assert.h> |
173 | #include <assert.h> |
164 | #include <errno.h> |
174 | #include <errno.h> |
165 | #include <sys/types.h> |
175 | #include <sys/types.h> |
166 | #include <time.h> |
176 | #include <time.h> |
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|
177 | #include <limits.h> |
167 | |
178 | |
168 | #include <signal.h> |
179 | #include <signal.h> |
169 | |
180 | |
170 | #ifdef EV_H |
181 | #ifdef EV_H |
171 | # include EV_H |
182 | # include EV_H |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
193 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
194 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
195 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
196 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
197 | # endif |
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|
198 | # undef EV_AVOID_STDIO |
187 | #endif |
199 | #endif |
188 | |
200 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
201 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
202 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
203 | /* try to deduce the maximum number of signals on this platform */ |
… | |
… | |
204 | #elif defined (MAXSIG) |
216 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
217 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
218 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
219 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
220 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
221 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
222 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
223 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
224 | #else |
213 | # error "unable to find value for NSIG, please report" |
225 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
226 | /* to make it compile regardless, just remove the above line, */ |
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|
227 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
228 | # define EV_NSIG 65 |
216 | #endif |
229 | #endif |
217 | |
230 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
231 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
232 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
233 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
234 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
235 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
236 | # endif |
224 | #endif |
237 | #endif |
225 | |
238 | |
226 | #ifndef EV_USE_MONOTONIC |
239 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
240 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
241 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
242 | # else |
230 | # define EV_USE_MONOTONIC 0 |
243 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
244 | # endif |
232 | #endif |
245 | #endif |
233 | |
246 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
248 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
249 | #endif |
237 | |
250 | |
238 | #ifndef EV_USE_NANOSLEEP |
251 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
252 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
253 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
254 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
255 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
256 | # endif |
244 | #endif |
257 | #endif |
245 | |
258 | |
246 | #ifndef EV_USE_SELECT |
259 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
260 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
261 | #endif |
249 | |
262 | |
250 | #ifndef EV_USE_POLL |
263 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
264 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
265 | # define EV_USE_POLL 0 |
253 | # else |
266 | # else |
254 | # define EV_USE_POLL 1 |
267 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
268 | # endif |
256 | #endif |
269 | #endif |
257 | |
270 | |
258 | #ifndef EV_USE_EPOLL |
271 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
272 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
273 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
274 | # else |
262 | # define EV_USE_EPOLL 0 |
275 | # define EV_USE_EPOLL 0 |
263 | # endif |
276 | # endif |
264 | #endif |
277 | #endif |
265 | |
278 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
284 | # define EV_USE_PORT 0 |
272 | #endif |
285 | #endif |
273 | |
286 | |
274 | #ifndef EV_USE_INOTIFY |
287 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
288 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
289 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
290 | # else |
278 | # define EV_USE_INOTIFY 0 |
291 | # define EV_USE_INOTIFY 0 |
279 | # endif |
292 | # endif |
280 | #endif |
293 | #endif |
281 | |
294 | |
282 | #ifndef EV_PID_HASHSIZE |
295 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
296 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
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286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
297 | #endif |
289 | |
298 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
299 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
300 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
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293 | # else |
|
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294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
301 | #endif |
297 | |
302 | |
298 | #ifndef EV_USE_EVENTFD |
303 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
304 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
305 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
306 | # else |
302 | # define EV_USE_EVENTFD 0 |
307 | # define EV_USE_EVENTFD 0 |
303 | # endif |
308 | # endif |
304 | #endif |
309 | #endif |
305 | |
310 | |
306 | #ifndef EV_USE_SIGNALFD |
311 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
312 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
313 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
314 | # else |
310 | # define EV_USE_SIGNALFD 0 |
315 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
316 | # endif |
312 | #endif |
317 | #endif |
313 | |
318 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
321 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
322 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
323 | #endif |
319 | |
324 | |
320 | #ifndef EV_VERIFY |
325 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
326 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
327 | #endif |
323 | |
328 | |
324 | #ifndef EV_USE_4HEAP |
329 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
330 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
331 | #endif |
327 | |
332 | |
328 | #ifndef EV_HEAP_CACHE_AT |
333 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
334 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
335 | #endif |
331 | |
336 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
337 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
338 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
339 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
348 | # endif |
344 | #endif |
349 | #endif |
345 | |
350 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
351 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
352 | |
|
|
353 | #ifdef _AIX |
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354 | /* AIX has a completely broken poll.h header */ |
|
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355 | # undef EV_USE_POLL |
|
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356 | # define EV_USE_POLL 0 |
|
|
357 | #endif |
|
|
358 | |
348 | #ifndef CLOCK_MONOTONIC |
359 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
360 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
361 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
362 | #endif |
352 | |
363 | |
… | |
… | |
395 | # endif |
406 | # endif |
396 | # endif |
407 | # endif |
397 | # ifdef __cplusplus |
408 | # ifdef __cplusplus |
398 | extern "C" { |
409 | extern "C" { |
399 | # endif |
410 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
411 | int (eventfd) (unsigned int initval, int flags); |
401 | # ifdef __cplusplus |
412 | # ifdef __cplusplus |
402 | } |
413 | } |
403 | # endif |
414 | # endif |
404 | #endif |
415 | #endif |
405 | |
416 | |
… | |
… | |
433 | |
444 | |
434 | |
445 | |
435 | /**/ |
446 | /**/ |
436 | |
447 | |
437 | #if EV_VERIFY >= 3 |
448 | #if EV_VERIFY >= 3 |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
449 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
439 | #else |
450 | #else |
440 | # define EV_FREQUENT_CHECK do { } while (0) |
451 | # define EV_FREQUENT_CHECK do { } while (0) |
441 | #endif |
452 | #endif |
442 | |
453 | |
443 | /* |
454 | /* |
… | |
… | |
466 | |
477 | |
467 | #define expect_false(expr) expect ((expr) != 0, 0) |
478 | #define expect_false(expr) expect ((expr) != 0, 0) |
468 | #define expect_true(expr) expect ((expr) != 0, 1) |
479 | #define expect_true(expr) expect ((expr) != 0, 1) |
469 | #define inline_size static inline |
480 | #define inline_size static inline |
470 | |
481 | |
471 | #if EV_MINIMAL |
482 | #if EV_FEATURE_CODE |
|
|
483 | # define inline_speed static inline |
|
|
484 | #else |
472 | # define inline_speed static noinline |
485 | # define inline_speed static noinline |
473 | #else |
|
|
474 | # define inline_speed static inline |
|
|
475 | #endif |
486 | #endif |
476 | |
487 | |
477 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
488 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
478 | |
489 | |
479 | #if EV_MINPRI == EV_MAXPRI |
490 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
504 | |
515 | |
505 | #ifndef EV_FD_TO_WIN32_HANDLE |
516 | #ifndef EV_FD_TO_WIN32_HANDLE |
506 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
517 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
507 | #endif |
518 | #endif |
508 | #ifndef EV_WIN32_HANDLE_TO_FD |
519 | #ifndef EV_WIN32_HANDLE_TO_FD |
509 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
520 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
510 | #endif |
521 | #endif |
511 | #ifndef EV_WIN32_CLOSE_FD |
522 | #ifndef EV_WIN32_CLOSE_FD |
512 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
523 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
513 | #endif |
524 | #endif |
514 | |
525 | |
515 | #ifdef _WIN32 |
526 | #ifdef _WIN32 |
516 | # include "ev_win32.c" |
527 | # include "ev_win32.c" |
517 | #endif |
528 | #endif |
518 | |
529 | |
519 | /*****************************************************************************/ |
530 | /*****************************************************************************/ |
|
|
531 | |
|
|
532 | #if EV_AVOID_STDIO |
|
|
533 | static void noinline |
|
|
534 | ev_printerr (const char *msg) |
|
|
535 | { |
|
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536 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
537 | } |
|
|
538 | #endif |
520 | |
539 | |
521 | static void (*syserr_cb)(const char *msg); |
540 | static void (*syserr_cb)(const char *msg); |
522 | |
541 | |
523 | void |
542 | void |
524 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
543 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
534 | |
553 | |
535 | if (syserr_cb) |
554 | if (syserr_cb) |
536 | syserr_cb (msg); |
555 | syserr_cb (msg); |
537 | else |
556 | else |
538 | { |
557 | { |
|
|
558 | #if EV_AVOID_STDIO |
|
|
559 | const char *err = strerror (errno); |
|
|
560 | |
|
|
561 | ev_printerr (msg); |
|
|
562 | ev_printerr (": "); |
|
|
563 | ev_printerr (err); |
|
|
564 | ev_printerr ("\n"); |
|
|
565 | #else |
539 | perror (msg); |
566 | perror (msg); |
|
|
567 | #endif |
540 | abort (); |
568 | abort (); |
541 | } |
569 | } |
542 | } |
570 | } |
543 | |
571 | |
544 | static void * |
572 | static void * |
545 | ev_realloc_emul (void *ptr, long size) |
573 | ev_realloc_emul (void *ptr, long size) |
546 | { |
574 | { |
|
|
575 | #if __GLIBC__ |
|
|
576 | return realloc (ptr, size); |
|
|
577 | #else |
547 | /* some systems, notably openbsd and darwin, fail to properly |
578 | /* some systems, notably openbsd and darwin, fail to properly |
548 | * implement realloc (x, 0) (as required by both ansi c-98 and |
579 | * implement realloc (x, 0) (as required by both ansi c-89 and |
549 | * the single unix specification, so work around them here. |
580 | * the single unix specification, so work around them here. |
550 | */ |
581 | */ |
551 | |
582 | |
552 | if (size) |
583 | if (size) |
553 | return realloc (ptr, size); |
584 | return realloc (ptr, size); |
554 | |
585 | |
555 | free (ptr); |
586 | free (ptr); |
556 | return 0; |
587 | return 0; |
|
|
588 | #endif |
557 | } |
589 | } |
558 | |
590 | |
559 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
591 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
560 | |
592 | |
561 | void |
593 | void |
… | |
… | |
569 | { |
601 | { |
570 | ptr = alloc (ptr, size); |
602 | ptr = alloc (ptr, size); |
571 | |
603 | |
572 | if (!ptr && size) |
604 | if (!ptr && size) |
573 | { |
605 | { |
|
|
606 | #if EV_AVOID_STDIO |
|
|
607 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
608 | #else |
574 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
609 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
610 | #endif |
575 | abort (); |
611 | abort (); |
576 | } |
612 | } |
577 | |
613 | |
578 | return ptr; |
614 | return ptr; |
579 | } |
615 | } |
… | |
… | |
661 | |
697 | |
662 | static int ev_default_loop_ptr; |
698 | static int ev_default_loop_ptr; |
663 | |
699 | |
664 | #endif |
700 | #endif |
665 | |
701 | |
666 | #if EV_MINIMAL < 2 |
702 | #if EV_FEATURE_API |
667 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
703 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
668 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
704 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
669 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
705 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
670 | #else |
706 | #else |
671 | # define EV_RELEASE_CB (void)0 |
707 | # define EV_RELEASE_CB (void)0 |
… | |
… | |
856 | } |
892 | } |
857 | |
893 | |
858 | /*****************************************************************************/ |
894 | /*****************************************************************************/ |
859 | |
895 | |
860 | inline_speed void |
896 | inline_speed void |
861 | fd_event_nc (EV_P_ int fd, int revents) |
897 | fd_event_nocheck (EV_P_ int fd, int revents) |
862 | { |
898 | { |
863 | ANFD *anfd = anfds + fd; |
899 | ANFD *anfd = anfds + fd; |
864 | ev_io *w; |
900 | ev_io *w; |
865 | |
901 | |
866 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
902 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
878 | fd_event (EV_P_ int fd, int revents) |
914 | fd_event (EV_P_ int fd, int revents) |
879 | { |
915 | { |
880 | ANFD *anfd = anfds + fd; |
916 | ANFD *anfd = anfds + fd; |
881 | |
917 | |
882 | if (expect_true (!anfd->reify)) |
918 | if (expect_true (!anfd->reify)) |
883 | fd_event_nc (EV_A_ fd, revents); |
919 | fd_event_nocheck (EV_A_ fd, revents); |
884 | } |
920 | } |
885 | |
921 | |
886 | void |
922 | void |
887 | ev_feed_fd_event (EV_P_ int fd, int revents) |
923 | ev_feed_fd_event (EV_P_ int fd, int revents) |
888 | { |
924 | { |
889 | if (fd >= 0 && fd < anfdmax) |
925 | if (fd >= 0 && fd < anfdmax) |
890 | fd_event_nc (EV_A_ fd, revents); |
926 | fd_event_nocheck (EV_A_ fd, revents); |
891 | } |
927 | } |
892 | |
928 | |
893 | /* make sure the external fd watch events are in-sync */ |
929 | /* make sure the external fd watch events are in-sync */ |
894 | /* with the kernel/libev internal state */ |
930 | /* with the kernel/libev internal state */ |
895 | inline_size void |
931 | inline_size void |
… | |
… | |
958 | ev_io_stop (EV_A_ w); |
994 | ev_io_stop (EV_A_ w); |
959 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
995 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
960 | } |
996 | } |
961 | } |
997 | } |
962 | |
998 | |
963 | /* check whether the given fd is atcually valid, for error recovery */ |
999 | /* check whether the given fd is actually valid, for error recovery */ |
964 | inline_size int |
1000 | inline_size int |
965 | fd_valid (int fd) |
1001 | fd_valid (int fd) |
966 | { |
1002 | { |
967 | #ifdef _WIN32 |
1003 | #ifdef _WIN32 |
968 | return _get_osfhandle (fd) != -1; |
1004 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
969 | #else |
1005 | #else |
970 | return fcntl (fd, F_GETFD) != -1; |
1006 | return fcntl (fd, F_GETFD) != -1; |
971 | #endif |
1007 | #endif |
972 | } |
1008 | } |
973 | |
1009 | |
… | |
… | |
1008 | { |
1044 | { |
1009 | anfds [fd].events = 0; |
1045 | anfds [fd].events = 0; |
1010 | anfds [fd].emask = 0; |
1046 | anfds [fd].emask = 0; |
1011 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1047 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1012 | } |
1048 | } |
|
|
1049 | } |
|
|
1050 | |
|
|
1051 | /* used to prepare libev internal fd's */ |
|
|
1052 | /* this is not fork-safe */ |
|
|
1053 | inline_speed void |
|
|
1054 | fd_intern (int fd) |
|
|
1055 | { |
|
|
1056 | #ifdef _WIN32 |
|
|
1057 | unsigned long arg = 1; |
|
|
1058 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1059 | #else |
|
|
1060 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1061 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1062 | #endif |
1013 | } |
1063 | } |
1014 | |
1064 | |
1015 | /*****************************************************************************/ |
1065 | /*****************************************************************************/ |
1016 | |
1066 | |
1017 | /* |
1067 | /* |
… | |
… | |
1171 | |
1221 | |
1172 | static ANSIG signals [EV_NSIG - 1]; |
1222 | static ANSIG signals [EV_NSIG - 1]; |
1173 | |
1223 | |
1174 | /*****************************************************************************/ |
1224 | /*****************************************************************************/ |
1175 | |
1225 | |
1176 | /* used to prepare libev internal fd's */ |
1226 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1177 | /* this is not fork-safe */ |
|
|
1178 | inline_speed void |
|
|
1179 | fd_intern (int fd) |
|
|
1180 | { |
|
|
1181 | #ifdef _WIN32 |
|
|
1182 | unsigned long arg = 1; |
|
|
1183 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1184 | #else |
|
|
1185 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1186 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1187 | #endif |
|
|
1188 | } |
|
|
1189 | |
1227 | |
1190 | static void noinline |
1228 | static void noinline |
1191 | evpipe_init (EV_P) |
1229 | evpipe_init (EV_P) |
1192 | { |
1230 | { |
1193 | if (!ev_is_active (&pipe_w)) |
1231 | if (!ev_is_active (&pipe_w)) |
1194 | { |
1232 | { |
1195 | #if EV_USE_EVENTFD |
1233 | # if EV_USE_EVENTFD |
1196 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1234 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1197 | if (evfd < 0 && errno == EINVAL) |
1235 | if (evfd < 0 && errno == EINVAL) |
1198 | evfd = eventfd (0, 0); |
1236 | evfd = eventfd (0, 0); |
1199 | |
1237 | |
1200 | if (evfd >= 0) |
1238 | if (evfd >= 0) |
… | |
… | |
1202 | evpipe [0] = -1; |
1240 | evpipe [0] = -1; |
1203 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1241 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1204 | ev_io_set (&pipe_w, evfd, EV_READ); |
1242 | ev_io_set (&pipe_w, evfd, EV_READ); |
1205 | } |
1243 | } |
1206 | else |
1244 | else |
1207 | #endif |
1245 | # endif |
1208 | { |
1246 | { |
1209 | while (pipe (evpipe)) |
1247 | while (pipe (evpipe)) |
1210 | ev_syserr ("(libev) error creating signal/async pipe"); |
1248 | ev_syserr ("(libev) error creating signal/async pipe"); |
1211 | |
1249 | |
1212 | fd_intern (evpipe [0]); |
1250 | fd_intern (evpipe [0]); |
… | |
… | |
1223 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1261 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1224 | { |
1262 | { |
1225 | if (!*flag) |
1263 | if (!*flag) |
1226 | { |
1264 | { |
1227 | int old_errno = errno; /* save errno because write might clobber it */ |
1265 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1266 | char dummy; |
1228 | |
1267 | |
1229 | *flag = 1; |
1268 | *flag = 1; |
1230 | |
1269 | |
1231 | #if EV_USE_EVENTFD |
1270 | #if EV_USE_EVENTFD |
1232 | if (evfd >= 0) |
1271 | if (evfd >= 0) |
… | |
… | |
1234 | uint64_t counter = 1; |
1273 | uint64_t counter = 1; |
1235 | write (evfd, &counter, sizeof (uint64_t)); |
1274 | write (evfd, &counter, sizeof (uint64_t)); |
1236 | } |
1275 | } |
1237 | else |
1276 | else |
1238 | #endif |
1277 | #endif |
1239 | write (evpipe [1], &old_errno, 1); |
1278 | write (evpipe [1], &dummy, 1); |
1240 | |
1279 | |
1241 | errno = old_errno; |
1280 | errno = old_errno; |
1242 | } |
1281 | } |
1243 | } |
1282 | } |
1244 | |
1283 | |
… | |
… | |
1293 | { |
1332 | { |
1294 | #if EV_MULTIPLICITY |
1333 | #if EV_MULTIPLICITY |
1295 | EV_P = signals [signum - 1].loop; |
1334 | EV_P = signals [signum - 1].loop; |
1296 | #endif |
1335 | #endif |
1297 | |
1336 | |
1298 | #if _WIN32 |
1337 | #ifdef _WIN32 |
1299 | signal (signum, ev_sighandler); |
1338 | signal (signum, ev_sighandler); |
1300 | #endif |
1339 | #endif |
1301 | |
1340 | |
1302 | signals [signum - 1].pending = 1; |
1341 | signals [signum - 1].pending = 1; |
1303 | evpipe_write (EV_A_ &sig_pending); |
1342 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1345 | break; |
1384 | break; |
1346 | } |
1385 | } |
1347 | } |
1386 | } |
1348 | #endif |
1387 | #endif |
1349 | |
1388 | |
|
|
1389 | #endif |
|
|
1390 | |
1350 | /*****************************************************************************/ |
1391 | /*****************************************************************************/ |
1351 | |
1392 | |
|
|
1393 | #if EV_CHILD_ENABLE |
1352 | static WL childs [EV_PID_HASHSIZE]; |
1394 | static WL childs [EV_PID_HASHSIZE]; |
1353 | |
|
|
1354 | #ifndef _WIN32 |
|
|
1355 | |
1395 | |
1356 | static ev_signal childev; |
1396 | static ev_signal childev; |
1357 | |
1397 | |
1358 | #ifndef WIFCONTINUED |
1398 | #ifndef WIFCONTINUED |
1359 | # define WIFCONTINUED(status) 0 |
1399 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1364 | child_reap (EV_P_ int chain, int pid, int status) |
1404 | child_reap (EV_P_ int chain, int pid, int status) |
1365 | { |
1405 | { |
1366 | ev_child *w; |
1406 | ev_child *w; |
1367 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1407 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1368 | |
1408 | |
1369 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1409 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1370 | { |
1410 | { |
1371 | if ((w->pid == pid || !w->pid) |
1411 | if ((w->pid == pid || !w->pid) |
1372 | && (!traced || (w->flags & 1))) |
1412 | && (!traced || (w->flags & 1))) |
1373 | { |
1413 | { |
1374 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1414 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1399 | /* make sure we are called again until all children have been reaped */ |
1439 | /* make sure we are called again until all children have been reaped */ |
1400 | /* we need to do it this way so that the callback gets called before we continue */ |
1440 | /* we need to do it this way so that the callback gets called before we continue */ |
1401 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1441 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1402 | |
1442 | |
1403 | child_reap (EV_A_ pid, pid, status); |
1443 | child_reap (EV_A_ pid, pid, status); |
1404 | if (EV_PID_HASHSIZE > 1) |
1444 | if ((EV_PID_HASHSIZE) > 1) |
1405 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1445 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1406 | } |
1446 | } |
1407 | |
1447 | |
1408 | #endif |
1448 | #endif |
1409 | |
1449 | |
… | |
… | |
1476 | #ifdef __APPLE__ |
1516 | #ifdef __APPLE__ |
1477 | /* only select works correctly on that "unix-certified" platform */ |
1517 | /* only select works correctly on that "unix-certified" platform */ |
1478 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1518 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1479 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1519 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1480 | #endif |
1520 | #endif |
|
|
1521 | #ifdef __FreeBSD__ |
|
|
1522 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1523 | #endif |
1481 | |
1524 | |
1482 | return flags; |
1525 | return flags; |
1483 | } |
1526 | } |
1484 | |
1527 | |
1485 | unsigned int |
1528 | unsigned int |
… | |
… | |
1498 | ev_backend (EV_P) |
1541 | ev_backend (EV_P) |
1499 | { |
1542 | { |
1500 | return backend; |
1543 | return backend; |
1501 | } |
1544 | } |
1502 | |
1545 | |
1503 | #if EV_MINIMAL < 2 |
1546 | #if EV_FEATURE_API |
1504 | unsigned int |
1547 | unsigned int |
1505 | ev_loop_count (EV_P) |
1548 | ev_iteration (EV_P) |
1506 | { |
1549 | { |
1507 | return loop_count; |
1550 | return loop_count; |
1508 | } |
1551 | } |
1509 | |
1552 | |
1510 | unsigned int |
1553 | unsigned int |
1511 | ev_loop_depth (EV_P) |
1554 | ev_depth (EV_P) |
1512 | { |
1555 | { |
1513 | return loop_depth; |
1556 | return loop_depth; |
1514 | } |
1557 | } |
1515 | |
1558 | |
1516 | void |
1559 | void |
… | |
… | |
1588 | |
1631 | |
1589 | ev_rt_now = ev_time (); |
1632 | ev_rt_now = ev_time (); |
1590 | mn_now = get_clock (); |
1633 | mn_now = get_clock (); |
1591 | now_floor = mn_now; |
1634 | now_floor = mn_now; |
1592 | rtmn_diff = ev_rt_now - mn_now; |
1635 | rtmn_diff = ev_rt_now - mn_now; |
1593 | #if EV_MINIMAL < 2 |
1636 | #if EV_FEATURE_API |
1594 | invoke_cb = ev_invoke_pending; |
1637 | invoke_cb = ev_invoke_pending; |
1595 | #endif |
1638 | #endif |
1596 | |
1639 | |
1597 | io_blocktime = 0.; |
1640 | io_blocktime = 0.; |
1598 | timeout_blocktime = 0.; |
1641 | timeout_blocktime = 0.; |
… | |
… | |
1604 | #endif |
1647 | #endif |
1605 | #if EV_USE_INOTIFY |
1648 | #if EV_USE_INOTIFY |
1606 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1649 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1607 | #endif |
1650 | #endif |
1608 | #if EV_USE_SIGNALFD |
1651 | #if EV_USE_SIGNALFD |
1609 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1652 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1610 | #endif |
1653 | #endif |
1611 | |
1654 | |
1612 | if (!(flags & 0x0000ffffU)) |
1655 | if (!(flags & 0x0000ffffU)) |
1613 | flags |= ev_recommended_backends (); |
1656 | flags |= ev_recommended_backends (); |
1614 | |
1657 | |
… | |
… | |
1628 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1671 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1629 | #endif |
1672 | #endif |
1630 | |
1673 | |
1631 | ev_prepare_init (&pending_w, pendingcb); |
1674 | ev_prepare_init (&pending_w, pendingcb); |
1632 | |
1675 | |
|
|
1676 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1633 | ev_init (&pipe_w, pipecb); |
1677 | ev_init (&pipe_w, pipecb); |
1634 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1678 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1679 | #endif |
1635 | } |
1680 | } |
1636 | } |
1681 | } |
1637 | |
1682 | |
1638 | /* free up a loop structure */ |
1683 | /* free up a loop structure */ |
1639 | static void noinline |
1684 | static void noinline |
… | |
… | |
1757 | { |
1802 | { |
1758 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1803 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1759 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1804 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1760 | } |
1805 | } |
1761 | |
1806 | |
|
|
1807 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1762 | evpipe_init (EV_A); |
1808 | evpipe_init (EV_A); |
1763 | /* now iterate over everything, in case we missed something */ |
1809 | /* now iterate over everything, in case we missed something */ |
1764 | pipecb (EV_A_ &pipe_w, EV_READ); |
1810 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1811 | #endif |
1765 | } |
1812 | } |
1766 | |
1813 | |
1767 | postfork = 0; |
1814 | postfork = 0; |
1768 | } |
1815 | } |
1769 | |
1816 | |
… | |
… | |
1831 | verify_watcher (EV_A_ ws [cnt]); |
1878 | verify_watcher (EV_A_ ws [cnt]); |
1832 | } |
1879 | } |
1833 | } |
1880 | } |
1834 | #endif |
1881 | #endif |
1835 | |
1882 | |
1836 | #if EV_MINIMAL < 2 |
1883 | #if EV_FEATURE_API |
1837 | void |
1884 | void |
1838 | ev_loop_verify (EV_P) |
1885 | ev_verify (EV_P) |
1839 | { |
1886 | { |
1840 | #if EV_VERIFY |
1887 | #if EV_VERIFY |
1841 | int i; |
1888 | int i; |
1842 | WL w; |
1889 | WL w; |
1843 | |
1890 | |
… | |
… | |
1882 | #if EV_ASYNC_ENABLE |
1929 | #if EV_ASYNC_ENABLE |
1883 | assert (asyncmax >= asynccnt); |
1930 | assert (asyncmax >= asynccnt); |
1884 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1931 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1885 | #endif |
1932 | #endif |
1886 | |
1933 | |
|
|
1934 | #if EV_PREPARE_ENABLE |
1887 | assert (preparemax >= preparecnt); |
1935 | assert (preparemax >= preparecnt); |
1888 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1936 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1937 | #endif |
1889 | |
1938 | |
|
|
1939 | #if EV_CHECK_ENABLE |
1890 | assert (checkmax >= checkcnt); |
1940 | assert (checkmax >= checkcnt); |
1891 | array_verify (EV_A_ (W *)checks, checkcnt); |
1941 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1942 | #endif |
1892 | |
1943 | |
1893 | # if 0 |
1944 | # if 0 |
|
|
1945 | #if EV_CHILD_ENABLE |
1894 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1946 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1895 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1947 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1948 | #endif |
1896 | # endif |
1949 | # endif |
1897 | #endif |
1950 | #endif |
1898 | } |
1951 | } |
1899 | #endif |
1952 | #endif |
1900 | |
1953 | |
… | |
… | |
1916 | |
1969 | |
1917 | loop_init (EV_A_ flags); |
1970 | loop_init (EV_A_ flags); |
1918 | |
1971 | |
1919 | if (ev_backend (EV_A)) |
1972 | if (ev_backend (EV_A)) |
1920 | { |
1973 | { |
1921 | #ifndef _WIN32 |
1974 | #if EV_CHILD_ENABLE |
1922 | ev_signal_init (&childev, childcb, SIGCHLD); |
1975 | ev_signal_init (&childev, childcb, SIGCHLD); |
1923 | ev_set_priority (&childev, EV_MAXPRI); |
1976 | ev_set_priority (&childev, EV_MAXPRI); |
1924 | ev_signal_start (EV_A_ &childev); |
1977 | ev_signal_start (EV_A_ &childev); |
1925 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1978 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1926 | #endif |
1979 | #endif |
… | |
… | |
1939 | EV_P = ev_default_loop_ptr; |
1992 | EV_P = ev_default_loop_ptr; |
1940 | #endif |
1993 | #endif |
1941 | |
1994 | |
1942 | ev_default_loop_ptr = 0; |
1995 | ev_default_loop_ptr = 0; |
1943 | |
1996 | |
1944 | #ifndef _WIN32 |
1997 | #if EV_CHILD_ENABLE |
1945 | ev_ref (EV_A); /* child watcher */ |
1998 | ev_ref (EV_A); /* child watcher */ |
1946 | ev_signal_stop (EV_A_ &childev); |
1999 | ev_signal_stop (EV_A_ &childev); |
1947 | #endif |
2000 | #endif |
1948 | |
2001 | |
1949 | loop_destroy (EV_A); |
2002 | loop_destroy (EV_A); |
… | |
… | |
2055 | EV_FREQUENT_CHECK; |
2108 | EV_FREQUENT_CHECK; |
2056 | feed_reverse (EV_A_ (W)w); |
2109 | feed_reverse (EV_A_ (W)w); |
2057 | } |
2110 | } |
2058 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2111 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2059 | |
2112 | |
2060 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2113 | feed_reverse_done (EV_A_ EV_TIMER); |
2061 | } |
2114 | } |
2062 | } |
2115 | } |
2063 | |
2116 | |
2064 | #if EV_PERIODIC_ENABLE |
2117 | #if EV_PERIODIC_ENABLE |
2065 | /* make periodics pending */ |
2118 | /* make periodics pending */ |
… | |
… | |
2156 | ANHE_at_cache (*he); |
2209 | ANHE_at_cache (*he); |
2157 | } |
2210 | } |
2158 | } |
2211 | } |
2159 | |
2212 | |
2160 | /* fetch new monotonic and realtime times from the kernel */ |
2213 | /* fetch new monotonic and realtime times from the kernel */ |
2161 | /* also detetc if there was a timejump, and act accordingly */ |
2214 | /* also detect if there was a timejump, and act accordingly */ |
2162 | inline_speed void |
2215 | inline_speed void |
2163 | time_update (EV_P_ ev_tstamp max_block) |
2216 | time_update (EV_P_ ev_tstamp max_block) |
2164 | { |
2217 | { |
2165 | #if EV_USE_MONOTONIC |
2218 | #if EV_USE_MONOTONIC |
2166 | if (expect_true (have_monotonic)) |
2219 | if (expect_true (have_monotonic)) |
… | |
… | |
2226 | } |
2279 | } |
2227 | |
2280 | |
2228 | void |
2281 | void |
2229 | ev_loop (EV_P_ int flags) |
2282 | ev_loop (EV_P_ int flags) |
2230 | { |
2283 | { |
2231 | #if EV_MINIMAL < 2 |
2284 | #if EV_FEATURE_API |
2232 | ++loop_depth; |
2285 | ++loop_depth; |
2233 | #endif |
2286 | #endif |
2234 | |
2287 | |
2235 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2288 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2236 | |
2289 | |
… | |
… | |
2239 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2292 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2240 | |
2293 | |
2241 | do |
2294 | do |
2242 | { |
2295 | { |
2243 | #if EV_VERIFY >= 2 |
2296 | #if EV_VERIFY >= 2 |
2244 | ev_loop_verify (EV_A); |
2297 | ev_verify (EV_A); |
2245 | #endif |
2298 | #endif |
2246 | |
2299 | |
2247 | #ifndef _WIN32 |
2300 | #ifndef _WIN32 |
2248 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2301 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2249 | if (expect_false (getpid () != curpid)) |
2302 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2261 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2314 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2262 | EV_INVOKE_PENDING; |
2315 | EV_INVOKE_PENDING; |
2263 | } |
2316 | } |
2264 | #endif |
2317 | #endif |
2265 | |
2318 | |
|
|
2319 | #if EV_PREPARE_ENABLE |
2266 | /* queue prepare watchers (and execute them) */ |
2320 | /* queue prepare watchers (and execute them) */ |
2267 | if (expect_false (preparecnt)) |
2321 | if (expect_false (preparecnt)) |
2268 | { |
2322 | { |
2269 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2323 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2270 | EV_INVOKE_PENDING; |
2324 | EV_INVOKE_PENDING; |
2271 | } |
2325 | } |
|
|
2326 | #endif |
2272 | |
2327 | |
2273 | if (expect_false (loop_done)) |
2328 | if (expect_false (loop_done)) |
2274 | break; |
2329 | break; |
2275 | |
2330 | |
2276 | /* we might have forked, so reify kernel state if necessary */ |
2331 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2327 | waittime -= sleeptime; |
2382 | waittime -= sleeptime; |
2328 | } |
2383 | } |
2329 | } |
2384 | } |
2330 | } |
2385 | } |
2331 | |
2386 | |
2332 | #if EV_MINIMAL < 2 |
2387 | #if EV_FEATURE_API |
2333 | ++loop_count; |
2388 | ++loop_count; |
2334 | #endif |
2389 | #endif |
2335 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2390 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2336 | backend_poll (EV_A_ waittime); |
2391 | backend_poll (EV_A_ waittime); |
2337 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2392 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
… | |
… | |
2349 | #if EV_IDLE_ENABLE |
2404 | #if EV_IDLE_ENABLE |
2350 | /* queue idle watchers unless other events are pending */ |
2405 | /* queue idle watchers unless other events are pending */ |
2351 | idle_reify (EV_A); |
2406 | idle_reify (EV_A); |
2352 | #endif |
2407 | #endif |
2353 | |
2408 | |
|
|
2409 | #if EV_CHECK_ENABLE |
2354 | /* queue check watchers, to be executed first */ |
2410 | /* queue check watchers, to be executed first */ |
2355 | if (expect_false (checkcnt)) |
2411 | if (expect_false (checkcnt)) |
2356 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2412 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2413 | #endif |
2357 | |
2414 | |
2358 | EV_INVOKE_PENDING; |
2415 | EV_INVOKE_PENDING; |
2359 | } |
2416 | } |
2360 | while (expect_true ( |
2417 | while (expect_true ( |
2361 | activecnt |
2418 | activecnt |
… | |
… | |
2364 | )); |
2421 | )); |
2365 | |
2422 | |
2366 | if (loop_done == EVUNLOOP_ONE) |
2423 | if (loop_done == EVUNLOOP_ONE) |
2367 | loop_done = EVUNLOOP_CANCEL; |
2424 | loop_done = EVUNLOOP_CANCEL; |
2368 | |
2425 | |
2369 | #if EV_MINIMAL < 2 |
2426 | #if EV_FEATURE_API |
2370 | --loop_depth; |
2427 | --loop_depth; |
2371 | #endif |
2428 | #endif |
2372 | } |
2429 | } |
2373 | |
2430 | |
2374 | void |
2431 | void |
… | |
… | |
2500 | |
2557 | |
2501 | if (expect_false (ev_is_active (w))) |
2558 | if (expect_false (ev_is_active (w))) |
2502 | return; |
2559 | return; |
2503 | |
2560 | |
2504 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2561 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2505 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2562 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2506 | |
2563 | |
2507 | EV_FREQUENT_CHECK; |
2564 | EV_FREQUENT_CHECK; |
2508 | |
2565 | |
2509 | ev_start (EV_A_ (W)w, 1); |
2566 | ev_start (EV_A_ (W)w, 1); |
2510 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2567 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2580 | timers [active] = timers [timercnt + HEAP0]; |
2637 | timers [active] = timers [timercnt + HEAP0]; |
2581 | adjustheap (timers, timercnt, active); |
2638 | adjustheap (timers, timercnt, active); |
2582 | } |
2639 | } |
2583 | } |
2640 | } |
2584 | |
2641 | |
2585 | EV_FREQUENT_CHECK; |
|
|
2586 | |
|
|
2587 | ev_at (w) -= mn_now; |
2642 | ev_at (w) -= mn_now; |
2588 | |
2643 | |
2589 | ev_stop (EV_A_ (W)w); |
2644 | ev_stop (EV_A_ (W)w); |
|
|
2645 | |
|
|
2646 | EV_FREQUENT_CHECK; |
2590 | } |
2647 | } |
2591 | |
2648 | |
2592 | void noinline |
2649 | void noinline |
2593 | ev_timer_again (EV_P_ ev_timer *w) |
2650 | ev_timer_again (EV_P_ ev_timer *w) |
2594 | { |
2651 | { |
… | |
… | |
2673 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2730 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2674 | adjustheap (periodics, periodiccnt, active); |
2731 | adjustheap (periodics, periodiccnt, active); |
2675 | } |
2732 | } |
2676 | } |
2733 | } |
2677 | |
2734 | |
2678 | EV_FREQUENT_CHECK; |
|
|
2679 | |
|
|
2680 | ev_stop (EV_A_ (W)w); |
2735 | ev_stop (EV_A_ (W)w); |
|
|
2736 | |
|
|
2737 | EV_FREQUENT_CHECK; |
2681 | } |
2738 | } |
2682 | |
2739 | |
2683 | void noinline |
2740 | void noinline |
2684 | ev_periodic_again (EV_P_ ev_periodic *w) |
2741 | ev_periodic_again (EV_P_ ev_periodic *w) |
2685 | { |
2742 | { |
… | |
… | |
2690 | #endif |
2747 | #endif |
2691 | |
2748 | |
2692 | #ifndef SA_RESTART |
2749 | #ifndef SA_RESTART |
2693 | # define SA_RESTART 0 |
2750 | # define SA_RESTART 0 |
2694 | #endif |
2751 | #endif |
|
|
2752 | |
|
|
2753 | #if EV_SIGNAL_ENABLE |
2695 | |
2754 | |
2696 | void noinline |
2755 | void noinline |
2697 | ev_signal_start (EV_P_ ev_signal *w) |
2756 | ev_signal_start (EV_P_ ev_signal *w) |
2698 | { |
2757 | { |
2699 | if (expect_false (ev_is_active (w))) |
2758 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2746 | if (!((WL)w)->next) |
2805 | if (!((WL)w)->next) |
2747 | # if EV_USE_SIGNALFD |
2806 | # if EV_USE_SIGNALFD |
2748 | if (sigfd < 0) /*TODO*/ |
2807 | if (sigfd < 0) /*TODO*/ |
2749 | # endif |
2808 | # endif |
2750 | { |
2809 | { |
2751 | # if _WIN32 |
2810 | # ifdef _WIN32 |
2752 | evpipe_init (EV_A); |
2811 | evpipe_init (EV_A); |
2753 | |
2812 | |
2754 | signal (w->signum, ev_sighandler); |
2813 | signal (w->signum, ev_sighandler); |
2755 | # else |
2814 | # else |
2756 | struct sigaction sa; |
2815 | struct sigaction sa; |
… | |
… | |
2789 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2848 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2790 | #endif |
2849 | #endif |
2791 | #if EV_USE_SIGNALFD |
2850 | #if EV_USE_SIGNALFD |
2792 | if (sigfd >= 0) |
2851 | if (sigfd >= 0) |
2793 | { |
2852 | { |
2794 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2853 | sigset_t ss; |
|
|
2854 | |
|
|
2855 | sigemptyset (&ss); |
|
|
2856 | sigaddset (&ss, w->signum); |
2795 | sigdelset (&sigfd_set, w->signum); |
2857 | sigdelset (&sigfd_set, w->signum); |
|
|
2858 | |
2796 | signalfd (sigfd, &sigfd_set, 0); |
2859 | signalfd (sigfd, &sigfd_set, 0); |
2797 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2860 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2798 | /*TODO: maybe unblock signal? */ |
|
|
2799 | } |
2861 | } |
2800 | else |
2862 | else |
2801 | #endif |
2863 | #endif |
2802 | signal (w->signum, SIG_DFL); |
2864 | signal (w->signum, SIG_DFL); |
2803 | } |
2865 | } |
2804 | |
2866 | |
2805 | EV_FREQUENT_CHECK; |
2867 | EV_FREQUENT_CHECK; |
2806 | } |
2868 | } |
2807 | |
2869 | |
|
|
2870 | #endif |
|
|
2871 | |
|
|
2872 | #if EV_CHILD_ENABLE |
|
|
2873 | |
2808 | void |
2874 | void |
2809 | ev_child_start (EV_P_ ev_child *w) |
2875 | ev_child_start (EV_P_ ev_child *w) |
2810 | { |
2876 | { |
2811 | #if EV_MULTIPLICITY |
2877 | #if EV_MULTIPLICITY |
2812 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2878 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2815 | return; |
2881 | return; |
2816 | |
2882 | |
2817 | EV_FREQUENT_CHECK; |
2883 | EV_FREQUENT_CHECK; |
2818 | |
2884 | |
2819 | ev_start (EV_A_ (W)w, 1); |
2885 | ev_start (EV_A_ (W)w, 1); |
2820 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2886 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2821 | |
2887 | |
2822 | EV_FREQUENT_CHECK; |
2888 | EV_FREQUENT_CHECK; |
2823 | } |
2889 | } |
2824 | |
2890 | |
2825 | void |
2891 | void |
… | |
… | |
2829 | if (expect_false (!ev_is_active (w))) |
2895 | if (expect_false (!ev_is_active (w))) |
2830 | return; |
2896 | return; |
2831 | |
2897 | |
2832 | EV_FREQUENT_CHECK; |
2898 | EV_FREQUENT_CHECK; |
2833 | |
2899 | |
2834 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2900 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2835 | ev_stop (EV_A_ (W)w); |
2901 | ev_stop (EV_A_ (W)w); |
2836 | |
2902 | |
2837 | EV_FREQUENT_CHECK; |
2903 | EV_FREQUENT_CHECK; |
2838 | } |
2904 | } |
|
|
2905 | |
|
|
2906 | #endif |
2839 | |
2907 | |
2840 | #if EV_STAT_ENABLE |
2908 | #if EV_STAT_ENABLE |
2841 | |
2909 | |
2842 | # ifdef _WIN32 |
2910 | # ifdef _WIN32 |
2843 | # undef lstat |
2911 | # undef lstat |
… | |
… | |
2849 | #define MIN_STAT_INTERVAL 0.1074891 |
2917 | #define MIN_STAT_INTERVAL 0.1074891 |
2850 | |
2918 | |
2851 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2919 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2852 | |
2920 | |
2853 | #if EV_USE_INOTIFY |
2921 | #if EV_USE_INOTIFY |
2854 | # define EV_INOTIFY_BUFSIZE 8192 |
2922 | |
|
|
2923 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2924 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2855 | |
2925 | |
2856 | static void noinline |
2926 | static void noinline |
2857 | infy_add (EV_P_ ev_stat *w) |
2927 | infy_add (EV_P_ ev_stat *w) |
2858 | { |
2928 | { |
2859 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2929 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
… | |
… | |
2908 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2978 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2909 | } |
2979 | } |
2910 | } |
2980 | } |
2911 | |
2981 | |
2912 | if (w->wd >= 0) |
2982 | if (w->wd >= 0) |
2913 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2983 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2914 | |
2984 | |
2915 | /* now re-arm timer, if required */ |
2985 | /* now re-arm timer, if required */ |
2916 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2986 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2917 | ev_timer_again (EV_A_ &w->timer); |
2987 | ev_timer_again (EV_A_ &w->timer); |
2918 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2988 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2926 | |
2996 | |
2927 | if (wd < 0) |
2997 | if (wd < 0) |
2928 | return; |
2998 | return; |
2929 | |
2999 | |
2930 | w->wd = -2; |
3000 | w->wd = -2; |
2931 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3001 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2932 | wlist_del (&fs_hash [slot].head, (WL)w); |
3002 | wlist_del (&fs_hash [slot].head, (WL)w); |
2933 | |
3003 | |
2934 | /* remove this watcher, if others are watching it, they will rearm */ |
3004 | /* remove this watcher, if others are watching it, they will rearm */ |
2935 | inotify_rm_watch (fs_fd, wd); |
3005 | inotify_rm_watch (fs_fd, wd); |
2936 | } |
3006 | } |
… | |
… | |
2938 | static void noinline |
3008 | static void noinline |
2939 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3009 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2940 | { |
3010 | { |
2941 | if (slot < 0) |
3011 | if (slot < 0) |
2942 | /* overflow, need to check for all hash slots */ |
3012 | /* overflow, need to check for all hash slots */ |
2943 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3013 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2944 | infy_wd (EV_A_ slot, wd, ev); |
3014 | infy_wd (EV_A_ slot, wd, ev); |
2945 | else |
3015 | else |
2946 | { |
3016 | { |
2947 | WL w_; |
3017 | WL w_; |
2948 | |
3018 | |
2949 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3019 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2950 | { |
3020 | { |
2951 | ev_stat *w = (ev_stat *)w_; |
3021 | ev_stat *w = (ev_stat *)w_; |
2952 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3022 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2953 | |
3023 | |
2954 | if (w->wd == wd || wd == -1) |
3024 | if (w->wd == wd || wd == -1) |
2955 | { |
3025 | { |
2956 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3026 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2957 | { |
3027 | { |
2958 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3028 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2959 | w->wd = -1; |
3029 | w->wd = -1; |
2960 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3030 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2961 | } |
3031 | } |
2962 | |
3032 | |
2963 | stat_timer_cb (EV_A_ &w->timer, 0); |
3033 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2968 | |
3038 | |
2969 | static void |
3039 | static void |
2970 | infy_cb (EV_P_ ev_io *w, int revents) |
3040 | infy_cb (EV_P_ ev_io *w, int revents) |
2971 | { |
3041 | { |
2972 | char buf [EV_INOTIFY_BUFSIZE]; |
3042 | char buf [EV_INOTIFY_BUFSIZE]; |
2973 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2974 | int ofs; |
3043 | int ofs; |
2975 | int len = read (fs_fd, buf, sizeof (buf)); |
3044 | int len = read (fs_fd, buf, sizeof (buf)); |
2976 | |
3045 | |
2977 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3046 | for (ofs = 0; ofs < len; ) |
|
|
3047 | { |
|
|
3048 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2978 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3049 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3050 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3051 | } |
|
|
3052 | } |
|
|
3053 | |
|
|
3054 | inline_size unsigned int |
|
|
3055 | ev_linux_version (void) |
|
|
3056 | { |
|
|
3057 | struct utsname buf; |
|
|
3058 | unsigned int v; |
|
|
3059 | int i; |
|
|
3060 | char *p = buf.release; |
|
|
3061 | |
|
|
3062 | if (uname (&buf)) |
|
|
3063 | return 0; |
|
|
3064 | |
|
|
3065 | for (i = 3+1; --i; ) |
|
|
3066 | { |
|
|
3067 | unsigned int c = 0; |
|
|
3068 | |
|
|
3069 | for (;;) |
|
|
3070 | { |
|
|
3071 | if (*p >= '0' && *p <= '9') |
|
|
3072 | c = c * 10 + *p++ - '0'; |
|
|
3073 | else |
|
|
3074 | { |
|
|
3075 | p += *p == '.'; |
|
|
3076 | break; |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | v = (v << 8) | c; |
|
|
3081 | } |
|
|
3082 | |
|
|
3083 | return v; |
2979 | } |
3084 | } |
2980 | |
3085 | |
2981 | inline_size void |
3086 | inline_size void |
2982 | check_2625 (EV_P) |
3087 | ev_check_2625 (EV_P) |
2983 | { |
3088 | { |
2984 | /* kernels < 2.6.25 are borked |
3089 | /* kernels < 2.6.25 are borked |
2985 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3090 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2986 | */ |
3091 | */ |
2987 | struct utsname buf; |
3092 | if (ev_linux_version () < 0x020619) |
2988 | int major, minor, micro; |
|
|
2989 | |
|
|
2990 | if (uname (&buf)) |
|
|
2991 | return; |
|
|
2992 | |
|
|
2993 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2994 | return; |
|
|
2995 | |
|
|
2996 | if (major < 2 |
|
|
2997 | || (major == 2 && minor < 6) |
|
|
2998 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2999 | return; |
3093 | return; |
3000 | |
3094 | |
3001 | fs_2625 = 1; |
3095 | fs_2625 = 1; |
3002 | } |
3096 | } |
3003 | |
3097 | |
… | |
… | |
3018 | if (fs_fd != -2) |
3112 | if (fs_fd != -2) |
3019 | return; |
3113 | return; |
3020 | |
3114 | |
3021 | fs_fd = -1; |
3115 | fs_fd = -1; |
3022 | |
3116 | |
3023 | check_2625 (EV_A); |
3117 | ev_check_2625 (EV_A); |
3024 | |
3118 | |
3025 | fs_fd = infy_newfd (); |
3119 | fs_fd = infy_newfd (); |
3026 | |
3120 | |
3027 | if (fs_fd >= 0) |
3121 | if (fs_fd >= 0) |
3028 | { |
3122 | { |
… | |
… | |
3053 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3147 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3054 | ev_io_start (EV_A_ &fs_w); |
3148 | ev_io_start (EV_A_ &fs_w); |
3055 | ev_unref (EV_A); |
3149 | ev_unref (EV_A); |
3056 | } |
3150 | } |
3057 | |
3151 | |
3058 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3152 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3059 | { |
3153 | { |
3060 | WL w_ = fs_hash [slot].head; |
3154 | WL w_ = fs_hash [slot].head; |
3061 | fs_hash [slot].head = 0; |
3155 | fs_hash [slot].head = 0; |
3062 | |
3156 | |
3063 | while (w_) |
3157 | while (w_) |
… | |
… | |
3100 | static void noinline |
3194 | static void noinline |
3101 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3195 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3102 | { |
3196 | { |
3103 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3197 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3104 | |
3198 | |
3105 | /* we copy this here each the time so that */ |
3199 | ev_statdata prev = w->attr; |
3106 | /* prev has the old value when the callback gets invoked */ |
|
|
3107 | w->prev = w->attr; |
|
|
3108 | ev_stat_stat (EV_A_ w); |
3200 | ev_stat_stat (EV_A_ w); |
3109 | |
3201 | |
3110 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3202 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3111 | if ( |
3203 | if ( |
3112 | w->prev.st_dev != w->attr.st_dev |
3204 | prev.st_dev != w->attr.st_dev |
3113 | || w->prev.st_ino != w->attr.st_ino |
3205 | || prev.st_ino != w->attr.st_ino |
3114 | || w->prev.st_mode != w->attr.st_mode |
3206 | || prev.st_mode != w->attr.st_mode |
3115 | || w->prev.st_nlink != w->attr.st_nlink |
3207 | || prev.st_nlink != w->attr.st_nlink |
3116 | || w->prev.st_uid != w->attr.st_uid |
3208 | || prev.st_uid != w->attr.st_uid |
3117 | || w->prev.st_gid != w->attr.st_gid |
3209 | || prev.st_gid != w->attr.st_gid |
3118 | || w->prev.st_rdev != w->attr.st_rdev |
3210 | || prev.st_rdev != w->attr.st_rdev |
3119 | || w->prev.st_size != w->attr.st_size |
3211 | || prev.st_size != w->attr.st_size |
3120 | || w->prev.st_atime != w->attr.st_atime |
3212 | || prev.st_atime != w->attr.st_atime |
3121 | || w->prev.st_mtime != w->attr.st_mtime |
3213 | || prev.st_mtime != w->attr.st_mtime |
3122 | || w->prev.st_ctime != w->attr.st_ctime |
3214 | || prev.st_ctime != w->attr.st_ctime |
3123 | ) { |
3215 | ) { |
|
|
3216 | /* we only update w->prev on actual differences */ |
|
|
3217 | /* in case we test more often than invoke the callback, */ |
|
|
3218 | /* to ensure that prev is always different to attr */ |
|
|
3219 | w->prev = prev; |
|
|
3220 | |
3124 | #if EV_USE_INOTIFY |
3221 | #if EV_USE_INOTIFY |
3125 | if (fs_fd >= 0) |
3222 | if (fs_fd >= 0) |
3126 | { |
3223 | { |
3127 | infy_del (EV_A_ w); |
3224 | infy_del (EV_A_ w); |
3128 | infy_add (EV_A_ w); |
3225 | infy_add (EV_A_ w); |
… | |
… | |
3235 | |
3332 | |
3236 | EV_FREQUENT_CHECK; |
3333 | EV_FREQUENT_CHECK; |
3237 | } |
3334 | } |
3238 | #endif |
3335 | #endif |
3239 | |
3336 | |
|
|
3337 | #if EV_PREPARE_ENABLE |
3240 | void |
3338 | void |
3241 | ev_prepare_start (EV_P_ ev_prepare *w) |
3339 | ev_prepare_start (EV_P_ ev_prepare *w) |
3242 | { |
3340 | { |
3243 | if (expect_false (ev_is_active (w))) |
3341 | if (expect_false (ev_is_active (w))) |
3244 | return; |
3342 | return; |
… | |
… | |
3270 | |
3368 | |
3271 | ev_stop (EV_A_ (W)w); |
3369 | ev_stop (EV_A_ (W)w); |
3272 | |
3370 | |
3273 | EV_FREQUENT_CHECK; |
3371 | EV_FREQUENT_CHECK; |
3274 | } |
3372 | } |
|
|
3373 | #endif |
3275 | |
3374 | |
|
|
3375 | #if EV_CHECK_ENABLE |
3276 | void |
3376 | void |
3277 | ev_check_start (EV_P_ ev_check *w) |
3377 | ev_check_start (EV_P_ ev_check *w) |
3278 | { |
3378 | { |
3279 | if (expect_false (ev_is_active (w))) |
3379 | if (expect_false (ev_is_active (w))) |
3280 | return; |
3380 | return; |
… | |
… | |
3306 | |
3406 | |
3307 | ev_stop (EV_A_ (W)w); |
3407 | ev_stop (EV_A_ (W)w); |
3308 | |
3408 | |
3309 | EV_FREQUENT_CHECK; |
3409 | EV_FREQUENT_CHECK; |
3310 | } |
3410 | } |
|
|
3411 | #endif |
3311 | |
3412 | |
3312 | #if EV_EMBED_ENABLE |
3413 | #if EV_EMBED_ENABLE |
3313 | void noinline |
3414 | void noinline |
3314 | ev_embed_sweep (EV_P_ ev_embed *w) |
3415 | ev_embed_sweep (EV_P_ ev_embed *w) |
3315 | { |
3416 | { |
… | |
… | |
3410 | |
3511 | |
3411 | ev_io_stop (EV_A_ &w->io); |
3512 | ev_io_stop (EV_A_ &w->io); |
3412 | ev_prepare_stop (EV_A_ &w->prepare); |
3513 | ev_prepare_stop (EV_A_ &w->prepare); |
3413 | ev_fork_stop (EV_A_ &w->fork); |
3514 | ev_fork_stop (EV_A_ &w->fork); |
3414 | |
3515 | |
|
|
3516 | ev_stop (EV_A_ (W)w); |
|
|
3517 | |
3415 | EV_FREQUENT_CHECK; |
3518 | EV_FREQUENT_CHECK; |
3416 | } |
3519 | } |
3417 | #endif |
3520 | #endif |
3418 | |
3521 | |
3419 | #if EV_FORK_ENABLE |
3522 | #if EV_FORK_ENABLE |
… | |
… | |
3545 | { |
3648 | { |
3546 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3649 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3547 | |
3650 | |
3548 | if (expect_false (!once)) |
3651 | if (expect_false (!once)) |
3549 | { |
3652 | { |
3550 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3653 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3551 | return; |
3654 | return; |
3552 | } |
3655 | } |
3553 | |
3656 | |
3554 | once->cb = cb; |
3657 | once->cb = cb; |
3555 | once->arg = arg; |
3658 | once->arg = arg; |
… | |
… | |
3642 | if (types & EV_ASYNC) |
3745 | if (types & EV_ASYNC) |
3643 | for (i = asynccnt; i--; ) |
3746 | for (i = asynccnt; i--; ) |
3644 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3747 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3645 | #endif |
3748 | #endif |
3646 | |
3749 | |
|
|
3750 | #if EV_PREPARE_ENABLE |
3647 | if (types & EV_PREPARE) |
3751 | if (types & EV_PREPARE) |
3648 | for (i = preparecnt; i--; ) |
3752 | for (i = preparecnt; i--; ) |
3649 | #if EV_EMBED_ENABLE |
3753 | # if EV_EMBED_ENABLE |
3650 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3754 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3651 | #endif |
3755 | # endif |
3652 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3756 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3757 | #endif |
3653 | |
3758 | |
|
|
3759 | #if EV_CHECK_ENABLE |
3654 | if (types & EV_CHECK) |
3760 | if (types & EV_CHECK) |
3655 | for (i = checkcnt; i--; ) |
3761 | for (i = checkcnt; i--; ) |
3656 | cb (EV_A_ EV_CHECK, checks [i]); |
3762 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3763 | #endif |
3657 | |
3764 | |
|
|
3765 | #if EV_SIGNAL_ENABLE |
3658 | if (types & EV_SIGNAL) |
3766 | if (types & EV_SIGNAL) |
3659 | for (i = 0; i < EV_NSIG - 1; ++i) |
3767 | for (i = 0; i < EV_NSIG - 1; ++i) |
3660 | for (wl = signals [i].head; wl; ) |
3768 | for (wl = signals [i].head; wl; ) |
3661 | { |
3769 | { |
3662 | wn = wl->next; |
3770 | wn = wl->next; |
3663 | cb (EV_A_ EV_SIGNAL, wl); |
3771 | cb (EV_A_ EV_SIGNAL, wl); |
3664 | wl = wn; |
3772 | wl = wn; |
3665 | } |
3773 | } |
|
|
3774 | #endif |
3666 | |
3775 | |
|
|
3776 | #if EV_CHILD_ENABLE |
3667 | if (types & EV_CHILD) |
3777 | if (types & EV_CHILD) |
3668 | for (i = EV_PID_HASHSIZE; i--; ) |
3778 | for (i = (EV_PID_HASHSIZE); i--; ) |
3669 | for (wl = childs [i]; wl; ) |
3779 | for (wl = childs [i]; wl; ) |
3670 | { |
3780 | { |
3671 | wn = wl->next; |
3781 | wn = wl->next; |
3672 | cb (EV_A_ EV_CHILD, wl); |
3782 | cb (EV_A_ EV_CHILD, wl); |
3673 | wl = wn; |
3783 | wl = wn; |
3674 | } |
3784 | } |
|
|
3785 | #endif |
3675 | /* EV_STAT 0x00001000 /* stat data changed */ |
3786 | /* EV_STAT 0x00001000 /* stat data changed */ |
3676 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3787 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3677 | } |
3788 | } |
3678 | #endif |
3789 | #endif |
3679 | |
3790 | |