1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 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 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
79 | # endif |
75 | # endif |
80 | # endif |
76 | # endif |
81 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
85 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
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|
86 | |
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|
87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
88 | # ifndef EV_USE_SELECT |
|
|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
88 | # endif |
94 | # endif |
89 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
99 | # endif |
96 | # endif |
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|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
103 | # endif |
105 | |
104 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
109 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
108 | # endif |
|
|
109 | # else |
|
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110 | # undef EV_USE_EPOLL |
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|
111 | # define EV_USE_EPOLL 0 |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
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|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
115 | # ifndef EV_USE_KQUEUE |
117 | # else |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
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|
119 | # endif |
117 | # endif |
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118 | # else |
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119 | # undef EV_USE_KQUEUE |
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120 | # define EV_USE_KQUEUE 0 |
120 | # endif |
121 | # endif |
121 | |
122 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
125 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
126 | # endif |
|
|
127 | # else |
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128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
128 | # endif |
130 | # endif |
129 | |
131 | |
130 | # ifndef EV_USE_INOTIFY |
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|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
135 | # endif |
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|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
136 | # endif |
139 | # endif |
137 | |
140 | |
138 | # ifndef EV_USE_SIGNALFD |
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|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
142 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
144 | # endif |
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|
145 | # else |
|
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146 | # undef EV_USE_SIGNALFD |
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|
147 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
148 | # endif |
145 | |
149 | |
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150 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
151 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
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150 | # define EV_USE_EVENTFD 0 |
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|
151 | # endif |
153 | # endif |
|
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154 | # else |
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|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
152 | # endif |
157 | # endif |
153 | |
158 | |
154 | #endif |
159 | #endif |
155 | |
160 | |
156 | #include <math.h> |
161 | #include <math.h> |
… | |
… | |
172 | #ifdef EV_H |
177 | #ifdef EV_H |
173 | # include EV_H |
178 | # include EV_H |
174 | #else |
179 | #else |
175 | # include "ev.h" |
180 | # include "ev.h" |
176 | #endif |
181 | #endif |
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182 | |
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183 | EV_CPP(extern "C" {) |
177 | |
184 | |
178 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
186 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
181 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
184 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
185 | # include <windows.h> |
192 | # include <windows.h> |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
195 | # endif |
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|
196 | # undef EV_AVOID_STDIO |
189 | #endif |
197 | #endif |
|
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198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
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201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
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203 | * This might help. Or not. |
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204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
190 | |
206 | |
191 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | |
208 | |
193 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
194 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
206 | #elif defined (MAXSIG) |
222 | #elif defined (MAXSIG) |
207 | # define EV_NSIG (MAXSIG+1) |
223 | # define EV_NSIG (MAXSIG+1) |
208 | #elif defined (MAX_SIG) |
224 | #elif defined (MAX_SIG) |
209 | # define EV_NSIG (MAX_SIG+1) |
225 | # define EV_NSIG (MAX_SIG+1) |
210 | #elif defined (SIGARRAYSIZE) |
226 | #elif defined (SIGARRAYSIZE) |
211 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
212 | #elif defined (_sys_nsig) |
228 | #elif defined (_sys_nsig) |
213 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | #else |
230 | #else |
215 | # error "unable to find value for NSIG, please report" |
231 | # error "unable to find value for NSIG, please report" |
216 | /* to make it compile regardless, just remove the above line */ |
232 | /* to make it compile regardless, just remove the above line, */ |
|
|
233 | /* but consider reporting it, too! :) */ |
217 | # define EV_NSIG 65 |
234 | # define EV_NSIG 65 |
218 | #endif |
235 | #endif |
219 | |
236 | |
220 | #ifndef EV_USE_CLOCK_SYSCALL |
237 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | # if __linux && __GLIBC__ >= 2 |
238 | # if __linux && __GLIBC__ >= 2 |
222 | # define EV_USE_CLOCK_SYSCALL 1 |
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
223 | # else |
240 | # else |
224 | # define EV_USE_CLOCK_SYSCALL 0 |
241 | # define EV_USE_CLOCK_SYSCALL 0 |
225 | # endif |
242 | # endif |
226 | #endif |
243 | #endif |
227 | |
244 | |
228 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
229 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
230 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
231 | # else |
248 | # else |
232 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
233 | # endif |
250 | # endif |
234 | #endif |
251 | #endif |
235 | |
252 | |
… | |
… | |
237 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
238 | #endif |
255 | #endif |
239 | |
256 | |
240 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
241 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
242 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
243 | # else |
260 | # else |
244 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
245 | # endif |
262 | # endif |
246 | #endif |
263 | #endif |
247 | |
264 | |
248 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
249 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
250 | #endif |
267 | #endif |
251 | |
268 | |
252 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
253 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
254 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
255 | # else |
272 | # else |
256 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
257 | # endif |
274 | # endif |
258 | #endif |
275 | #endif |
259 | |
276 | |
260 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
261 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
262 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
263 | # else |
280 | # else |
264 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
265 | # endif |
282 | # endif |
266 | #endif |
283 | #endif |
267 | |
284 | |
… | |
… | |
273 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
274 | #endif |
291 | #endif |
275 | |
292 | |
276 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
277 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
279 | # else |
296 | # else |
280 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
281 | # endif |
298 | # endif |
282 | #endif |
299 | #endif |
283 | |
300 | |
284 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
285 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
286 | # define EV_PID_HASHSIZE 1 |
|
|
287 | # else |
|
|
288 | # define EV_PID_HASHSIZE 16 |
|
|
289 | # endif |
|
|
290 | #endif |
303 | #endif |
291 | |
304 | |
292 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
293 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
294 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
295 | # else |
|
|
296 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
297 | # endif |
|
|
298 | #endif |
307 | #endif |
299 | |
308 | |
300 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
303 | # else |
312 | # else |
304 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
305 | # endif |
314 | # endif |
306 | #endif |
315 | #endif |
307 | |
316 | |
308 | #ifndef EV_USE_SIGNALFD |
317 | #ifndef EV_USE_SIGNALFD |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # define EV_USE_SIGNALFD 1 |
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
311 | # else |
320 | # else |
312 | # define EV_USE_SIGNALFD 0 |
321 | # define EV_USE_SIGNALFD 0 |
313 | # endif |
322 | # endif |
314 | #endif |
323 | #endif |
315 | |
324 | |
… | |
… | |
318 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
319 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
320 | #endif |
329 | #endif |
321 | |
330 | |
322 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
323 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
324 | #endif |
333 | #endif |
325 | |
334 | |
326 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
327 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
328 | #endif |
337 | #endif |
329 | |
338 | |
330 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
331 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
332 | #endif |
341 | #endif |
333 | |
342 | |
334 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
335 | /* which makes programs even slower. might work on other unices, too. */ |
344 | /* which makes programs even slower. might work on other unices, too. */ |
336 | #if EV_USE_CLOCK_SYSCALL |
345 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
373 | # include <sys/select.h> |
382 | # include <sys/select.h> |
374 | # endif |
383 | # endif |
375 | #endif |
384 | #endif |
376 | |
385 | |
377 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
378 | # include <sys/utsname.h> |
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|
379 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
380 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
381 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
382 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
383 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
400 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
401 | # else |
409 | # else |
402 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
403 | # endif |
411 | # endif |
404 | # endif |
412 | # endif |
405 | # ifdef __cplusplus |
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406 | extern "C" { |
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|
407 | # endif |
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408 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
409 | # ifdef __cplusplus |
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410 | } |
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411 | # endif |
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412 | #endif |
414 | #endif |
413 | |
415 | |
414 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
415 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
416 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
422 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
423 | # else |
425 | # else |
424 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
425 | # endif |
427 | # endif |
426 | # endif |
428 | # endif |
427 | # ifdef __cplusplus |
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|
428 | extern "C" { |
|
|
429 | # endif |
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430 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
431 | |
430 | |
432 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
433 | { |
432 | { |
434 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
435 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
436 | }; |
435 | }; |
437 | # ifdef __cplusplus |
|
|
438 | } |
|
|
439 | # endif |
436 | #endif |
440 | #endif |
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441 | |
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442 | |
437 | |
443 | /**/ |
438 | /**/ |
444 | |
439 | |
445 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
447 | #else |
442 | #else |
448 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
449 | #endif |
444 | #endif |
450 | |
445 | |
451 | /* |
446 | /* |
… | |
… | |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | |
455 | |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
462 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
463 | |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
461 | |
464 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
466 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
467 | #else |
465 | #else |
468 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
474 | |
472 | |
475 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
476 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
477 | #define inline_size static inline |
475 | #define inline_size static inline |
478 | |
476 | |
479 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
480 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
481 | #else |
|
|
482 | # define inline_speed static inline |
|
|
483 | #endif |
481 | #endif |
484 | |
482 | |
485 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | |
484 | |
487 | #if EV_MINPRI == EV_MAXPRI |
485 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
500 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
501 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
502 | |
500 | |
503 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
504 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
505 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
506 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
507 | #endif |
505 | #endif |
508 | |
506 | |
509 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
510 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
523 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
524 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
525 | #endif |
523 | #endif |
526 | |
524 | |
527 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
528 | |
576 | |
529 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
530 | |
578 | |
531 | void |
579 | void |
532 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
543 | if (syserr_cb) |
591 | if (syserr_cb) |
544 | syserr_cb (msg); |
592 | syserr_cb (msg); |
545 | else |
593 | else |
546 | { |
594 | { |
547 | #if EV_AVOID_STDIO |
595 | #if EV_AVOID_STDIO |
548 | write (STDERR_FILENO, msg, strlen (msg)); |
596 | ev_printerr (msg); |
549 | write (STDERR_FILENO, ": ", 2); |
597 | ev_printerr (": "); |
550 | msg = strerror (errno); |
598 | ev_printerr (strerror (errno)); |
551 | write (STDERR_FILENO, msg, strlen (msg)); |
599 | ev_printerr ("\n"); |
552 | write (STDERR_FILENO, "\n", 1); |
|
|
553 | #else |
600 | #else |
554 | perror (msg); |
601 | perror (msg); |
555 | #endif |
602 | #endif |
556 | abort (); |
603 | abort (); |
557 | } |
604 | } |
558 | } |
605 | } |
559 | |
606 | |
560 | static void * |
607 | static void * |
561 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
562 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
563 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
564 | * implement realloc (x, 0) (as required by both ansi c-98 and |
614 | * implement realloc (x, 0) (as required by both ansi c-89 and |
565 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
566 | */ |
616 | */ |
567 | |
617 | |
568 | if (size) |
618 | if (size) |
569 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
570 | |
620 | |
571 | free (ptr); |
621 | free (ptr); |
572 | return 0; |
622 | return 0; |
|
|
623 | #endif |
573 | } |
624 | } |
574 | |
625 | |
575 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
576 | |
627 | |
577 | void |
628 | void |
… | |
… | |
586 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
587 | |
638 | |
588 | if (!ptr && size) |
639 | if (!ptr && size) |
589 | { |
640 | { |
590 | #if EV_AVOID_STDIO |
641 | #if EV_AVOID_STDIO |
591 | write (STDERR_FILENO, "libev: memory allocation failed, aborting.", |
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
592 | sizeof ("libev: memory allocation failed, aborting.") - 1); |
|
|
593 | #else |
643 | #else |
594 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
595 | #endif |
645 | #endif |
596 | abort (); |
646 | abort (); |
597 | } |
647 | } |
598 | |
648 | |
599 | return ptr; |
649 | return ptr; |
… | |
… | |
616 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
666 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
617 | unsigned char unused; |
667 | unsigned char unused; |
618 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
619 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
620 | #endif |
670 | #endif |
621 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
622 | SOCKET handle; |
672 | SOCKET handle; |
|
|
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
623 | #endif |
676 | #endif |
624 | } ANFD; |
677 | } ANFD; |
625 | |
678 | |
626 | /* stores the pending event set for a given watcher */ |
679 | /* stores the pending event set for a given watcher */ |
627 | typedef struct |
680 | typedef struct |
… | |
… | |
682 | |
735 | |
683 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
684 | |
737 | |
685 | #endif |
738 | #endif |
686 | |
739 | |
687 | #if EV_MINIMAL < 2 |
740 | #if EV_FEATURE_API |
688 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
741 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
689 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
742 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
690 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
691 | #else |
744 | #else |
692 | # define EV_RELEASE_CB (void)0 |
745 | # define EV_RELEASE_CB (void)0 |
693 | # define EV_ACQUIRE_CB (void)0 |
746 | # define EV_ACQUIRE_CB (void)0 |
694 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
695 | #endif |
748 | #endif |
696 | |
749 | |
697 | #define EVUNLOOP_RECURSE 0x80 |
750 | #define EVBREAK_RECURSE 0x80 |
698 | |
751 | |
699 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
700 | |
753 | |
701 | #ifndef EV_HAVE_EV_TIME |
754 | #ifndef EV_HAVE_EV_TIME |
702 | ev_tstamp |
755 | ev_tstamp |
… | |
… | |
746 | if (delay > 0.) |
799 | if (delay > 0.) |
747 | { |
800 | { |
748 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
749 | struct timespec ts; |
802 | struct timespec ts; |
750 | |
803 | |
751 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
752 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
753 | |
|
|
754 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
755 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
756 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
757 | #else |
808 | #else |
758 | struct timeval tv; |
809 | struct timeval tv; |
759 | |
810 | |
760 | tv.tv_sec = (time_t)delay; |
|
|
761 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
762 | |
|
|
763 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
764 | /* something not guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
765 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
766 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
767 | #endif |
816 | #endif |
768 | } |
817 | } |
769 | } |
818 | } |
770 | |
819 | |
771 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
772 | |
821 | |
773 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
822 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
774 | |
823 | |
775 | /* find a suitable new size for the given array, */ |
824 | /* find a suitable new size for the given array, */ |
776 | /* hopefully by rounding to a ncie-to-malloc size */ |
825 | /* hopefully by rounding to a nice-to-malloc size */ |
777 | inline_size int |
826 | inline_size int |
778 | array_nextsize (int elem, int cur, int cnt) |
827 | array_nextsize (int elem, int cur, int cnt) |
779 | { |
828 | { |
780 | int ncur = cur + 1; |
829 | int ncur = cur + 1; |
781 | |
830 | |
… | |
… | |
877 | } |
926 | } |
878 | |
927 | |
879 | /*****************************************************************************/ |
928 | /*****************************************************************************/ |
880 | |
929 | |
881 | inline_speed void |
930 | inline_speed void |
882 | fd_event_nc (EV_P_ int fd, int revents) |
931 | fd_event_nocheck (EV_P_ int fd, int revents) |
883 | { |
932 | { |
884 | ANFD *anfd = anfds + fd; |
933 | ANFD *anfd = anfds + fd; |
885 | ev_io *w; |
934 | ev_io *w; |
886 | |
935 | |
887 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
936 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
899 | fd_event (EV_P_ int fd, int revents) |
948 | fd_event (EV_P_ int fd, int revents) |
900 | { |
949 | { |
901 | ANFD *anfd = anfds + fd; |
950 | ANFD *anfd = anfds + fd; |
902 | |
951 | |
903 | if (expect_true (!anfd->reify)) |
952 | if (expect_true (!anfd->reify)) |
904 | fd_event_nc (EV_A_ fd, revents); |
953 | fd_event_nocheck (EV_A_ fd, revents); |
905 | } |
954 | } |
906 | |
955 | |
907 | void |
956 | void |
908 | ev_feed_fd_event (EV_P_ int fd, int revents) |
957 | ev_feed_fd_event (EV_P_ int fd, int revents) |
909 | { |
958 | { |
910 | if (fd >= 0 && fd < anfdmax) |
959 | if (fd >= 0 && fd < anfdmax) |
911 | fd_event_nc (EV_A_ fd, revents); |
960 | fd_event_nocheck (EV_A_ fd, revents); |
912 | } |
961 | } |
913 | |
962 | |
914 | /* make sure the external fd watch events are in-sync */ |
963 | /* make sure the external fd watch events are in-sync */ |
915 | /* with the kernel/libev internal state */ |
964 | /* with the kernel/libev internal state */ |
916 | inline_size void |
965 | inline_size void |
… | |
… | |
922 | { |
971 | { |
923 | int fd = fdchanges [i]; |
972 | int fd = fdchanges [i]; |
924 | ANFD *anfd = anfds + fd; |
973 | ANFD *anfd = anfds + fd; |
925 | ev_io *w; |
974 | ev_io *w; |
926 | |
975 | |
927 | unsigned char events = 0; |
976 | unsigned char o_events = anfd->events; |
|
|
977 | unsigned char o_reify = anfd->reify; |
928 | |
978 | |
929 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
979 | anfd->reify = 0; |
930 | events |= (unsigned char)w->events; |
|
|
931 | |
980 | |
932 | #if EV_SELECT_IS_WINSOCKET |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
933 | if (events) |
982 | if (o_reify & EV__IOFDSET) |
934 | { |
983 | { |
935 | unsigned long arg; |
984 | unsigned long arg; |
936 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
937 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
938 | } |
988 | } |
939 | #endif |
989 | #endif |
940 | |
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
941 | { |
992 | { |
942 | unsigned char o_events = anfd->events; |
|
|
943 | unsigned char o_reify = anfd->reify; |
|
|
944 | |
|
|
945 | anfd->reify = 0; |
|
|
946 | anfd->events = events; |
993 | anfd->events = 0; |
947 | |
994 | |
948 | if (o_events != events || o_reify & EV__IOFDSET) |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
996 | anfd->events |= (unsigned char)w->events; |
|
|
997 | |
|
|
998 | if (o_events != anfd->events) |
|
|
999 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | if (o_reify & EV__IOFDSET) |
949 | backend_modify (EV_A_ fd, o_events, events); |
1003 | backend_modify (EV_A_ fd, o_events, anfd->events); |
950 | } |
|
|
951 | } |
1004 | } |
952 | |
1005 | |
953 | fdchangecnt = 0; |
1006 | fdchangecnt = 0; |
954 | } |
1007 | } |
955 | |
1008 | |
… | |
… | |
979 | ev_io_stop (EV_A_ w); |
1032 | ev_io_stop (EV_A_ w); |
980 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1033 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
981 | } |
1034 | } |
982 | } |
1035 | } |
983 | |
1036 | |
984 | /* check whether the given fd is atcually valid, for error recovery */ |
1037 | /* check whether the given fd is actually valid, for error recovery */ |
985 | inline_size int |
1038 | inline_size int |
986 | fd_valid (int fd) |
1039 | fd_valid (int fd) |
987 | { |
1040 | { |
988 | #ifdef _WIN32 |
1041 | #ifdef _WIN32 |
989 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1042 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1031 | anfds [fd].emask = 0; |
1084 | anfds [fd].emask = 0; |
1032 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1085 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1033 | } |
1086 | } |
1034 | } |
1087 | } |
1035 | |
1088 | |
|
|
1089 | /* used to prepare libev internal fd's */ |
|
|
1090 | /* this is not fork-safe */ |
|
|
1091 | inline_speed void |
|
|
1092 | fd_intern (int fd) |
|
|
1093 | { |
|
|
1094 | #ifdef _WIN32 |
|
|
1095 | unsigned long arg = 1; |
|
|
1096 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
1036 | /*****************************************************************************/ |
1103 | /*****************************************************************************/ |
1037 | |
1104 | |
1038 | /* |
1105 | /* |
1039 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1106 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1040 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1107 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1041 | * the branching factor of the d-tree. |
1108 | * the branching factor of the d-tree. |
1042 | */ |
1109 | */ |
1043 | |
1110 | |
1044 | /* |
1111 | /* |
… | |
… | |
1192 | |
1259 | |
1193 | static ANSIG signals [EV_NSIG - 1]; |
1260 | static ANSIG signals [EV_NSIG - 1]; |
1194 | |
1261 | |
1195 | /*****************************************************************************/ |
1262 | /*****************************************************************************/ |
1196 | |
1263 | |
1197 | /* used to prepare libev internal fd's */ |
1264 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1198 | /* this is not fork-safe */ |
|
|
1199 | inline_speed void |
|
|
1200 | fd_intern (int fd) |
|
|
1201 | { |
|
|
1202 | #ifdef _WIN32 |
|
|
1203 | unsigned long arg = 1; |
|
|
1204 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1205 | #else |
|
|
1206 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1207 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1208 | #endif |
|
|
1209 | } |
|
|
1210 | |
1265 | |
1211 | static void noinline |
1266 | static void noinline |
1212 | evpipe_init (EV_P) |
1267 | evpipe_init (EV_P) |
1213 | { |
1268 | { |
1214 | if (!ev_is_active (&pipe_w)) |
1269 | if (!ev_is_active (&pipe_w)) |
1215 | { |
1270 | { |
1216 | #if EV_USE_EVENTFD |
1271 | # if EV_USE_EVENTFD |
1217 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1272 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1218 | if (evfd < 0 && errno == EINVAL) |
1273 | if (evfd < 0 && errno == EINVAL) |
1219 | evfd = eventfd (0, 0); |
1274 | evfd = eventfd (0, 0); |
1220 | |
1275 | |
1221 | if (evfd >= 0) |
1276 | if (evfd >= 0) |
… | |
… | |
1223 | evpipe [0] = -1; |
1278 | evpipe [0] = -1; |
1224 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1279 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1225 | ev_io_set (&pipe_w, evfd, EV_READ); |
1280 | ev_io_set (&pipe_w, evfd, EV_READ); |
1226 | } |
1281 | } |
1227 | else |
1282 | else |
1228 | #endif |
1283 | # endif |
1229 | { |
1284 | { |
1230 | while (pipe (evpipe)) |
1285 | while (pipe (evpipe)) |
1231 | ev_syserr ("(libev) error creating signal/async pipe"); |
1286 | ev_syserr ("(libev) error creating signal/async pipe"); |
1232 | |
1287 | |
1233 | fd_intern (evpipe [0]); |
1288 | fd_intern (evpipe [0]); |
… | |
… | |
1244 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1299 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1245 | { |
1300 | { |
1246 | if (!*flag) |
1301 | if (!*flag) |
1247 | { |
1302 | { |
1248 | int old_errno = errno; /* save errno because write might clobber it */ |
1303 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1304 | char dummy; |
1249 | |
1305 | |
1250 | *flag = 1; |
1306 | *flag = 1; |
1251 | |
1307 | |
1252 | #if EV_USE_EVENTFD |
1308 | #if EV_USE_EVENTFD |
1253 | if (evfd >= 0) |
1309 | if (evfd >= 0) |
… | |
… | |
1255 | uint64_t counter = 1; |
1311 | uint64_t counter = 1; |
1256 | write (evfd, &counter, sizeof (uint64_t)); |
1312 | write (evfd, &counter, sizeof (uint64_t)); |
1257 | } |
1313 | } |
1258 | else |
1314 | else |
1259 | #endif |
1315 | #endif |
|
|
1316 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1317 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1318 | /* so when you think this write should be a send instead, please find out */ |
|
|
1319 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1320 | /* tell me. thank you. */ |
1260 | write (evpipe [1], &old_errno, 1); |
1321 | write (evpipe [1], &dummy, 1); |
1261 | |
1322 | |
1262 | errno = old_errno; |
1323 | errno = old_errno; |
1263 | } |
1324 | } |
1264 | } |
1325 | } |
1265 | |
1326 | |
… | |
… | |
1278 | } |
1339 | } |
1279 | else |
1340 | else |
1280 | #endif |
1341 | #endif |
1281 | { |
1342 | { |
1282 | char dummy; |
1343 | char dummy; |
|
|
1344 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1283 | read (evpipe [0], &dummy, 1); |
1345 | read (evpipe [0], &dummy, 1); |
1284 | } |
1346 | } |
1285 | |
1347 | |
1286 | if (sig_pending) |
1348 | if (sig_pending) |
1287 | { |
1349 | { |
… | |
… | |
1307 | #endif |
1369 | #endif |
1308 | } |
1370 | } |
1309 | |
1371 | |
1310 | /*****************************************************************************/ |
1372 | /*****************************************************************************/ |
1311 | |
1373 | |
|
|
1374 | void |
|
|
1375 | ev_feed_signal (int signum) |
|
|
1376 | { |
|
|
1377 | #if EV_MULTIPLICITY |
|
|
1378 | EV_P = signals [signum - 1].loop; |
|
|
1379 | |
|
|
1380 | if (!EV_A) |
|
|
1381 | return; |
|
|
1382 | #endif |
|
|
1383 | |
|
|
1384 | signals [signum - 1].pending = 1; |
|
|
1385 | evpipe_write (EV_A_ &sig_pending); |
|
|
1386 | } |
|
|
1387 | |
1312 | static void |
1388 | static void |
1313 | ev_sighandler (int signum) |
1389 | ev_sighandler (int signum) |
1314 | { |
1390 | { |
1315 | #if EV_MULTIPLICITY |
|
|
1316 | EV_P = signals [signum - 1].loop; |
|
|
1317 | #endif |
|
|
1318 | |
|
|
1319 | #ifdef _WIN32 |
1391 | #ifdef _WIN32 |
1320 | signal (signum, ev_sighandler); |
1392 | signal (signum, ev_sighandler); |
1321 | #endif |
1393 | #endif |
1322 | |
1394 | |
1323 | signals [signum - 1].pending = 1; |
1395 | ev_feed_signal (signum); |
1324 | evpipe_write (EV_A_ &sig_pending); |
|
|
1325 | } |
1396 | } |
1326 | |
1397 | |
1327 | void noinline |
1398 | void noinline |
1328 | ev_feed_signal_event (EV_P_ int signum) |
1399 | ev_feed_signal_event (EV_P_ int signum) |
1329 | { |
1400 | { |
… | |
… | |
1366 | break; |
1437 | break; |
1367 | } |
1438 | } |
1368 | } |
1439 | } |
1369 | #endif |
1440 | #endif |
1370 | |
1441 | |
|
|
1442 | #endif |
|
|
1443 | |
1371 | /*****************************************************************************/ |
1444 | /*****************************************************************************/ |
1372 | |
1445 | |
|
|
1446 | #if EV_CHILD_ENABLE |
1373 | static WL childs [EV_PID_HASHSIZE]; |
1447 | static WL childs [EV_PID_HASHSIZE]; |
1374 | |
|
|
1375 | #ifndef _WIN32 |
|
|
1376 | |
1448 | |
1377 | static ev_signal childev; |
1449 | static ev_signal childev; |
1378 | |
1450 | |
1379 | #ifndef WIFCONTINUED |
1451 | #ifndef WIFCONTINUED |
1380 | # define WIFCONTINUED(status) 0 |
1452 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1385 | child_reap (EV_P_ int chain, int pid, int status) |
1457 | child_reap (EV_P_ int chain, int pid, int status) |
1386 | { |
1458 | { |
1387 | ev_child *w; |
1459 | ev_child *w; |
1388 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1460 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1389 | |
1461 | |
1390 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1462 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1391 | { |
1463 | { |
1392 | if ((w->pid == pid || !w->pid) |
1464 | if ((w->pid == pid || !w->pid) |
1393 | && (!traced || (w->flags & 1))) |
1465 | && (!traced || (w->flags & 1))) |
1394 | { |
1466 | { |
1395 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1467 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1420 | /* make sure we are called again until all children have been reaped */ |
1492 | /* make sure we are called again until all children have been reaped */ |
1421 | /* we need to do it this way so that the callback gets called before we continue */ |
1493 | /* we need to do it this way so that the callback gets called before we continue */ |
1422 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1494 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1423 | |
1495 | |
1424 | child_reap (EV_A_ pid, pid, status); |
1496 | child_reap (EV_A_ pid, pid, status); |
1425 | if (EV_PID_HASHSIZE > 1) |
1497 | if ((EV_PID_HASHSIZE) > 1) |
1426 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1498 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1427 | } |
1499 | } |
1428 | |
1500 | |
1429 | #endif |
1501 | #endif |
1430 | |
1502 | |
1431 | /*****************************************************************************/ |
1503 | /*****************************************************************************/ |
1432 | |
1504 | |
|
|
1505 | #if EV_USE_IOCP |
|
|
1506 | # include "ev_iocp.c" |
|
|
1507 | #endif |
1433 | #if EV_USE_PORT |
1508 | #if EV_USE_PORT |
1434 | # include "ev_port.c" |
1509 | # include "ev_port.c" |
1435 | #endif |
1510 | #endif |
1436 | #if EV_USE_KQUEUE |
1511 | #if EV_USE_KQUEUE |
1437 | # include "ev_kqueue.c" |
1512 | # include "ev_kqueue.c" |
… | |
… | |
1497 | #ifdef __APPLE__ |
1572 | #ifdef __APPLE__ |
1498 | /* only select works correctly on that "unix-certified" platform */ |
1573 | /* only select works correctly on that "unix-certified" platform */ |
1499 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1574 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1500 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1575 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1501 | #endif |
1576 | #endif |
|
|
1577 | #ifdef __FreeBSD__ |
|
|
1578 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1579 | #endif |
1502 | |
1580 | |
1503 | return flags; |
1581 | return flags; |
1504 | } |
1582 | } |
1505 | |
1583 | |
1506 | unsigned int |
1584 | unsigned int |
1507 | ev_embeddable_backends (void) |
1585 | ev_embeddable_backends (void) |
1508 | { |
1586 | { |
1509 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1587 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1510 | |
1588 | |
1511 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1589 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1512 | /* please fix it and tell me how to detect the fix */ |
1590 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1513 | flags &= ~EVBACKEND_EPOLL; |
1591 | flags &= ~EVBACKEND_EPOLL; |
1514 | |
1592 | |
1515 | return flags; |
1593 | return flags; |
1516 | } |
1594 | } |
1517 | |
1595 | |
1518 | unsigned int |
1596 | unsigned int |
1519 | ev_backend (EV_P) |
1597 | ev_backend (EV_P) |
1520 | { |
1598 | { |
1521 | return backend; |
1599 | return backend; |
1522 | } |
1600 | } |
1523 | |
1601 | |
1524 | #if EV_MINIMAL < 2 |
1602 | #if EV_FEATURE_API |
1525 | unsigned int |
1603 | unsigned int |
1526 | ev_loop_count (EV_P) |
1604 | ev_iteration (EV_P) |
1527 | { |
1605 | { |
1528 | return loop_count; |
1606 | return loop_count; |
1529 | } |
1607 | } |
1530 | |
1608 | |
1531 | unsigned int |
1609 | unsigned int |
1532 | ev_loop_depth (EV_P) |
1610 | ev_depth (EV_P) |
1533 | { |
1611 | { |
1534 | return loop_depth; |
1612 | return loop_depth; |
1535 | } |
1613 | } |
1536 | |
1614 | |
1537 | void |
1615 | void |
… | |
… | |
1574 | static void noinline |
1652 | static void noinline |
1575 | loop_init (EV_P_ unsigned int flags) |
1653 | loop_init (EV_P_ unsigned int flags) |
1576 | { |
1654 | { |
1577 | if (!backend) |
1655 | if (!backend) |
1578 | { |
1656 | { |
|
|
1657 | origflags = flags; |
|
|
1658 | |
1579 | #if EV_USE_REALTIME |
1659 | #if EV_USE_REALTIME |
1580 | if (!have_realtime) |
1660 | if (!have_realtime) |
1581 | { |
1661 | { |
1582 | struct timespec ts; |
1662 | struct timespec ts; |
1583 | |
1663 | |
… | |
… | |
1609 | |
1689 | |
1610 | ev_rt_now = ev_time (); |
1690 | ev_rt_now = ev_time (); |
1611 | mn_now = get_clock (); |
1691 | mn_now = get_clock (); |
1612 | now_floor = mn_now; |
1692 | now_floor = mn_now; |
1613 | rtmn_diff = ev_rt_now - mn_now; |
1693 | rtmn_diff = ev_rt_now - mn_now; |
1614 | #if EV_MINIMAL < 2 |
1694 | #if EV_FEATURE_API |
1615 | invoke_cb = ev_invoke_pending; |
1695 | invoke_cb = ev_invoke_pending; |
1616 | #endif |
1696 | #endif |
1617 | |
1697 | |
1618 | io_blocktime = 0.; |
1698 | io_blocktime = 0.; |
1619 | timeout_blocktime = 0.; |
1699 | timeout_blocktime = 0.; |
… | |
… | |
1628 | #endif |
1708 | #endif |
1629 | #if EV_USE_SIGNALFD |
1709 | #if EV_USE_SIGNALFD |
1630 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1710 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1631 | #endif |
1711 | #endif |
1632 | |
1712 | |
1633 | if (!(flags & 0x0000ffffU)) |
1713 | if (!(flags & EVBACKEND_MASK)) |
1634 | flags |= ev_recommended_backends (); |
1714 | flags |= ev_recommended_backends (); |
1635 | |
1715 | |
|
|
1716 | #if EV_USE_IOCP |
|
|
1717 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1718 | #endif |
1636 | #if EV_USE_PORT |
1719 | #if EV_USE_PORT |
1637 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1720 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1638 | #endif |
1721 | #endif |
1639 | #if EV_USE_KQUEUE |
1722 | #if EV_USE_KQUEUE |
1640 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1649 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1732 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1650 | #endif |
1733 | #endif |
1651 | |
1734 | |
1652 | ev_prepare_init (&pending_w, pendingcb); |
1735 | ev_prepare_init (&pending_w, pendingcb); |
1653 | |
1736 | |
|
|
1737 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1654 | ev_init (&pipe_w, pipecb); |
1738 | ev_init (&pipe_w, pipecb); |
1655 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1739 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1740 | #endif |
1656 | } |
1741 | } |
1657 | } |
1742 | } |
1658 | |
1743 | |
1659 | /* free up a loop structure */ |
1744 | /* free up a loop structure */ |
1660 | static void noinline |
1745 | void |
1661 | loop_destroy (EV_P) |
1746 | ev_loop_destroy (EV_P) |
1662 | { |
1747 | { |
1663 | int i; |
1748 | int i; |
|
|
1749 | |
|
|
1750 | #if EV_MULTIPLICITY |
|
|
1751 | /* mimic free (0) */ |
|
|
1752 | if (!EV_A) |
|
|
1753 | return; |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | #if EV_CLEANUP_ENABLE |
|
|
1757 | /* queue cleanup watchers (and execute them) */ |
|
|
1758 | if (expect_false (cleanupcnt)) |
|
|
1759 | { |
|
|
1760 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1761 | EV_INVOKE_PENDING; |
|
|
1762 | } |
|
|
1763 | #endif |
|
|
1764 | |
|
|
1765 | #if EV_CHILD_ENABLE |
|
|
1766 | if (ev_is_active (&childev)) |
|
|
1767 | { |
|
|
1768 | ev_ref (EV_A); /* child watcher */ |
|
|
1769 | ev_signal_stop (EV_A_ &childev); |
|
|
1770 | } |
|
|
1771 | #endif |
1664 | |
1772 | |
1665 | if (ev_is_active (&pipe_w)) |
1773 | if (ev_is_active (&pipe_w)) |
1666 | { |
1774 | { |
1667 | /*ev_ref (EV_A);*/ |
1775 | /*ev_ref (EV_A);*/ |
1668 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1776 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1690 | #endif |
1798 | #endif |
1691 | |
1799 | |
1692 | if (backend_fd >= 0) |
1800 | if (backend_fd >= 0) |
1693 | close (backend_fd); |
1801 | close (backend_fd); |
1694 | |
1802 | |
|
|
1803 | #if EV_USE_IOCP |
|
|
1804 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1805 | #endif |
1695 | #if EV_USE_PORT |
1806 | #if EV_USE_PORT |
1696 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1807 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1697 | #endif |
1808 | #endif |
1698 | #if EV_USE_KQUEUE |
1809 | #if EV_USE_KQUEUE |
1699 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1810 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1726 | array_free (periodic, EMPTY); |
1837 | array_free (periodic, EMPTY); |
1727 | #endif |
1838 | #endif |
1728 | #if EV_FORK_ENABLE |
1839 | #if EV_FORK_ENABLE |
1729 | array_free (fork, EMPTY); |
1840 | array_free (fork, EMPTY); |
1730 | #endif |
1841 | #endif |
|
|
1842 | #if EV_CLEANUP_ENABLE |
|
|
1843 | array_free (cleanup, EMPTY); |
|
|
1844 | #endif |
1731 | array_free (prepare, EMPTY); |
1845 | array_free (prepare, EMPTY); |
1732 | array_free (check, EMPTY); |
1846 | array_free (check, EMPTY); |
1733 | #if EV_ASYNC_ENABLE |
1847 | #if EV_ASYNC_ENABLE |
1734 | array_free (async, EMPTY); |
1848 | array_free (async, EMPTY); |
1735 | #endif |
1849 | #endif |
1736 | |
1850 | |
1737 | backend = 0; |
1851 | backend = 0; |
|
|
1852 | |
|
|
1853 | #if EV_MULTIPLICITY |
|
|
1854 | if (ev_is_default_loop (EV_A)) |
|
|
1855 | #endif |
|
|
1856 | ev_default_loop_ptr = 0; |
|
|
1857 | #if EV_MULTIPLICITY |
|
|
1858 | else |
|
|
1859 | ev_free (EV_A); |
|
|
1860 | #endif |
1738 | } |
1861 | } |
1739 | |
1862 | |
1740 | #if EV_USE_INOTIFY |
1863 | #if EV_USE_INOTIFY |
1741 | inline_size void infy_fork (EV_P); |
1864 | inline_size void infy_fork (EV_P); |
1742 | #endif |
1865 | #endif |
… | |
… | |
1778 | { |
1901 | { |
1779 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1902 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1780 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1903 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1781 | } |
1904 | } |
1782 | |
1905 | |
|
|
1906 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1783 | evpipe_init (EV_A); |
1907 | evpipe_init (EV_A); |
1784 | /* now iterate over everything, in case we missed something */ |
1908 | /* now iterate over everything, in case we missed something */ |
1785 | pipecb (EV_A_ &pipe_w, EV_READ); |
1909 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1910 | #endif |
1786 | } |
1911 | } |
1787 | |
1912 | |
1788 | postfork = 0; |
1913 | postfork = 0; |
1789 | } |
1914 | } |
1790 | |
1915 | |
… | |
… | |
1799 | loop_init (EV_A_ flags); |
1924 | loop_init (EV_A_ flags); |
1800 | |
1925 | |
1801 | if (ev_backend (EV_A)) |
1926 | if (ev_backend (EV_A)) |
1802 | return EV_A; |
1927 | return EV_A; |
1803 | |
1928 | |
|
|
1929 | ev_free (EV_A); |
1804 | return 0; |
1930 | return 0; |
1805 | } |
1931 | } |
1806 | |
1932 | |
1807 | void |
|
|
1808 | ev_loop_destroy (EV_P) |
|
|
1809 | { |
|
|
1810 | loop_destroy (EV_A); |
|
|
1811 | ev_free (loop); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | void |
|
|
1815 | ev_loop_fork (EV_P) |
|
|
1816 | { |
|
|
1817 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1818 | } |
|
|
1819 | #endif /* multiplicity */ |
1933 | #endif /* multiplicity */ |
1820 | |
1934 | |
1821 | #if EV_VERIFY |
1935 | #if EV_VERIFY |
1822 | static void noinline |
1936 | static void noinline |
1823 | verify_watcher (EV_P_ W w) |
1937 | verify_watcher (EV_P_ W w) |
… | |
… | |
1852 | verify_watcher (EV_A_ ws [cnt]); |
1966 | verify_watcher (EV_A_ ws [cnt]); |
1853 | } |
1967 | } |
1854 | } |
1968 | } |
1855 | #endif |
1969 | #endif |
1856 | |
1970 | |
1857 | #if EV_MINIMAL < 2 |
1971 | #if EV_FEATURE_API |
1858 | void |
1972 | void |
1859 | ev_loop_verify (EV_P) |
1973 | ev_verify (EV_P) |
1860 | { |
1974 | { |
1861 | #if EV_VERIFY |
1975 | #if EV_VERIFY |
1862 | int i; |
1976 | int i; |
1863 | WL w; |
1977 | WL w; |
1864 | |
1978 | |
… | |
… | |
1898 | #if EV_FORK_ENABLE |
2012 | #if EV_FORK_ENABLE |
1899 | assert (forkmax >= forkcnt); |
2013 | assert (forkmax >= forkcnt); |
1900 | array_verify (EV_A_ (W *)forks, forkcnt); |
2014 | array_verify (EV_A_ (W *)forks, forkcnt); |
1901 | #endif |
2015 | #endif |
1902 | |
2016 | |
|
|
2017 | #if EV_CLEANUP_ENABLE |
|
|
2018 | assert (cleanupmax >= cleanupcnt); |
|
|
2019 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2020 | #endif |
|
|
2021 | |
1903 | #if EV_ASYNC_ENABLE |
2022 | #if EV_ASYNC_ENABLE |
1904 | assert (asyncmax >= asynccnt); |
2023 | assert (asyncmax >= asynccnt); |
1905 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2024 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1906 | #endif |
2025 | #endif |
1907 | |
2026 | |
|
|
2027 | #if EV_PREPARE_ENABLE |
1908 | assert (preparemax >= preparecnt); |
2028 | assert (preparemax >= preparecnt); |
1909 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2029 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2030 | #endif |
1910 | |
2031 | |
|
|
2032 | #if EV_CHECK_ENABLE |
1911 | assert (checkmax >= checkcnt); |
2033 | assert (checkmax >= checkcnt); |
1912 | array_verify (EV_A_ (W *)checks, checkcnt); |
2034 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2035 | #endif |
1913 | |
2036 | |
1914 | # if 0 |
2037 | # if 0 |
|
|
2038 | #if EV_CHILD_ENABLE |
1915 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2039 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1916 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2040 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2041 | #endif |
1917 | # endif |
2042 | # endif |
1918 | #endif |
2043 | #endif |
1919 | } |
2044 | } |
1920 | #endif |
2045 | #endif |
1921 | |
2046 | |
1922 | #if EV_MULTIPLICITY |
2047 | #if EV_MULTIPLICITY |
1923 | struct ev_loop * |
2048 | struct ev_loop * |
1924 | ev_default_loop_init (unsigned int flags) |
|
|
1925 | #else |
2049 | #else |
1926 | int |
2050 | int |
|
|
2051 | #endif |
1927 | ev_default_loop (unsigned int flags) |
2052 | ev_default_loop (unsigned int flags) |
1928 | #endif |
|
|
1929 | { |
2053 | { |
1930 | if (!ev_default_loop_ptr) |
2054 | if (!ev_default_loop_ptr) |
1931 | { |
2055 | { |
1932 | #if EV_MULTIPLICITY |
2056 | #if EV_MULTIPLICITY |
1933 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2057 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1937 | |
2061 | |
1938 | loop_init (EV_A_ flags); |
2062 | loop_init (EV_A_ flags); |
1939 | |
2063 | |
1940 | if (ev_backend (EV_A)) |
2064 | if (ev_backend (EV_A)) |
1941 | { |
2065 | { |
1942 | #ifndef _WIN32 |
2066 | #if EV_CHILD_ENABLE |
1943 | ev_signal_init (&childev, childcb, SIGCHLD); |
2067 | ev_signal_init (&childev, childcb, SIGCHLD); |
1944 | ev_set_priority (&childev, EV_MAXPRI); |
2068 | ev_set_priority (&childev, EV_MAXPRI); |
1945 | ev_signal_start (EV_A_ &childev); |
2069 | ev_signal_start (EV_A_ &childev); |
1946 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2070 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1947 | #endif |
2071 | #endif |
… | |
… | |
1952 | |
2076 | |
1953 | return ev_default_loop_ptr; |
2077 | return ev_default_loop_ptr; |
1954 | } |
2078 | } |
1955 | |
2079 | |
1956 | void |
2080 | void |
1957 | ev_default_destroy (void) |
2081 | ev_loop_fork (EV_P) |
1958 | { |
2082 | { |
1959 | #if EV_MULTIPLICITY |
|
|
1960 | EV_P = ev_default_loop_ptr; |
|
|
1961 | #endif |
|
|
1962 | |
|
|
1963 | ev_default_loop_ptr = 0; |
|
|
1964 | |
|
|
1965 | #ifndef _WIN32 |
|
|
1966 | ev_ref (EV_A); /* child watcher */ |
|
|
1967 | ev_signal_stop (EV_A_ &childev); |
|
|
1968 | #endif |
|
|
1969 | |
|
|
1970 | loop_destroy (EV_A); |
|
|
1971 | } |
|
|
1972 | |
|
|
1973 | void |
|
|
1974 | ev_default_fork (void) |
|
|
1975 | { |
|
|
1976 | #if EV_MULTIPLICITY |
|
|
1977 | EV_P = ev_default_loop_ptr; |
|
|
1978 | #endif |
|
|
1979 | |
|
|
1980 | postfork = 1; /* must be in line with ev_loop_fork */ |
2083 | postfork = 1; /* must be in line with ev_default_fork */ |
1981 | } |
2084 | } |
1982 | |
2085 | |
1983 | /*****************************************************************************/ |
2086 | /*****************************************************************************/ |
1984 | |
2087 | |
1985 | void |
2088 | void |
… | |
… | |
2076 | EV_FREQUENT_CHECK; |
2179 | EV_FREQUENT_CHECK; |
2077 | feed_reverse (EV_A_ (W)w); |
2180 | feed_reverse (EV_A_ (W)w); |
2078 | } |
2181 | } |
2079 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2182 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2080 | |
2183 | |
2081 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2184 | feed_reverse_done (EV_A_ EV_TIMER); |
2082 | } |
2185 | } |
2083 | } |
2186 | } |
2084 | |
2187 | |
2085 | #if EV_PERIODIC_ENABLE |
2188 | #if EV_PERIODIC_ENABLE |
2086 | /* make periodics pending */ |
2189 | /* make periodics pending */ |
… | |
… | |
2139 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2242 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2140 | } |
2243 | } |
2141 | } |
2244 | } |
2142 | |
2245 | |
2143 | /* simply recalculate all periodics */ |
2246 | /* simply recalculate all periodics */ |
2144 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2247 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2145 | static void noinline |
2248 | static void noinline |
2146 | periodics_reschedule (EV_P) |
2249 | periodics_reschedule (EV_P) |
2147 | { |
2250 | { |
2148 | int i; |
2251 | int i; |
2149 | |
2252 | |
… | |
… | |
2245 | mn_now = ev_rt_now; |
2348 | mn_now = ev_rt_now; |
2246 | } |
2349 | } |
2247 | } |
2350 | } |
2248 | |
2351 | |
2249 | void |
2352 | void |
2250 | ev_loop (EV_P_ int flags) |
2353 | ev_run (EV_P_ int flags) |
2251 | { |
2354 | { |
2252 | #if EV_MINIMAL < 2 |
2355 | #if EV_FEATURE_API |
2253 | ++loop_depth; |
2356 | ++loop_depth; |
2254 | #endif |
2357 | #endif |
2255 | |
2358 | |
2256 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2359 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2257 | |
2360 | |
2258 | loop_done = EVUNLOOP_CANCEL; |
2361 | loop_done = EVBREAK_CANCEL; |
2259 | |
2362 | |
2260 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2363 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2261 | |
2364 | |
2262 | do |
2365 | do |
2263 | { |
2366 | { |
2264 | #if EV_VERIFY >= 2 |
2367 | #if EV_VERIFY >= 2 |
2265 | ev_loop_verify (EV_A); |
2368 | ev_verify (EV_A); |
2266 | #endif |
2369 | #endif |
2267 | |
2370 | |
2268 | #ifndef _WIN32 |
2371 | #ifndef _WIN32 |
2269 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2372 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2270 | if (expect_false (getpid () != curpid)) |
2373 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2282 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2385 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2283 | EV_INVOKE_PENDING; |
2386 | EV_INVOKE_PENDING; |
2284 | } |
2387 | } |
2285 | #endif |
2388 | #endif |
2286 | |
2389 | |
|
|
2390 | #if EV_PREPARE_ENABLE |
2287 | /* queue prepare watchers (and execute them) */ |
2391 | /* queue prepare watchers (and execute them) */ |
2288 | if (expect_false (preparecnt)) |
2392 | if (expect_false (preparecnt)) |
2289 | { |
2393 | { |
2290 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2394 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2291 | EV_INVOKE_PENDING; |
2395 | EV_INVOKE_PENDING; |
2292 | } |
2396 | } |
|
|
2397 | #endif |
2293 | |
2398 | |
2294 | if (expect_false (loop_done)) |
2399 | if (expect_false (loop_done)) |
2295 | break; |
2400 | break; |
2296 | |
2401 | |
2297 | /* we might have forked, so reify kernel state if necessary */ |
2402 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2304 | /* calculate blocking time */ |
2409 | /* calculate blocking time */ |
2305 | { |
2410 | { |
2306 | ev_tstamp waittime = 0.; |
2411 | ev_tstamp waittime = 0.; |
2307 | ev_tstamp sleeptime = 0.; |
2412 | ev_tstamp sleeptime = 0.; |
2308 | |
2413 | |
|
|
2414 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2415 | ev_tstamp prev_mn_now = mn_now; |
|
|
2416 | |
|
|
2417 | /* update time to cancel out callback processing overhead */ |
|
|
2418 | time_update (EV_A_ 1e100); |
|
|
2419 | |
2309 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2420 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2310 | { |
2421 | { |
2311 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2312 | ev_tstamp prev_mn_now = mn_now; |
|
|
2313 | |
|
|
2314 | /* update time to cancel out callback processing overhead */ |
|
|
2315 | time_update (EV_A_ 1e100); |
|
|
2316 | |
|
|
2317 | waittime = MAX_BLOCKTIME; |
2422 | waittime = MAX_BLOCKTIME; |
2318 | |
2423 | |
2319 | if (timercnt) |
2424 | if (timercnt) |
2320 | { |
2425 | { |
2321 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2426 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2348 | waittime -= sleeptime; |
2453 | waittime -= sleeptime; |
2349 | } |
2454 | } |
2350 | } |
2455 | } |
2351 | } |
2456 | } |
2352 | |
2457 | |
2353 | #if EV_MINIMAL < 2 |
2458 | #if EV_FEATURE_API |
2354 | ++loop_count; |
2459 | ++loop_count; |
2355 | #endif |
2460 | #endif |
2356 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2461 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2357 | backend_poll (EV_A_ waittime); |
2462 | backend_poll (EV_A_ waittime); |
2358 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2463 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2359 | |
2464 | |
2360 | /* update ev_rt_now, do magic */ |
2465 | /* update ev_rt_now, do magic */ |
2361 | time_update (EV_A_ waittime + sleeptime); |
2466 | time_update (EV_A_ waittime + sleeptime); |
2362 | } |
2467 | } |
2363 | |
2468 | |
… | |
… | |
2370 | #if EV_IDLE_ENABLE |
2475 | #if EV_IDLE_ENABLE |
2371 | /* queue idle watchers unless other events are pending */ |
2476 | /* queue idle watchers unless other events are pending */ |
2372 | idle_reify (EV_A); |
2477 | idle_reify (EV_A); |
2373 | #endif |
2478 | #endif |
2374 | |
2479 | |
|
|
2480 | #if EV_CHECK_ENABLE |
2375 | /* queue check watchers, to be executed first */ |
2481 | /* queue check watchers, to be executed first */ |
2376 | if (expect_false (checkcnt)) |
2482 | if (expect_false (checkcnt)) |
2377 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2483 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2484 | #endif |
2378 | |
2485 | |
2379 | EV_INVOKE_PENDING; |
2486 | EV_INVOKE_PENDING; |
2380 | } |
2487 | } |
2381 | while (expect_true ( |
2488 | while (expect_true ( |
2382 | activecnt |
2489 | activecnt |
2383 | && !loop_done |
2490 | && !loop_done |
2384 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2491 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2385 | )); |
2492 | )); |
2386 | |
2493 | |
2387 | if (loop_done == EVUNLOOP_ONE) |
2494 | if (loop_done == EVBREAK_ONE) |
2388 | loop_done = EVUNLOOP_CANCEL; |
2495 | loop_done = EVBREAK_CANCEL; |
2389 | |
2496 | |
2390 | #if EV_MINIMAL < 2 |
2497 | #if EV_FEATURE_API |
2391 | --loop_depth; |
2498 | --loop_depth; |
2392 | #endif |
2499 | #endif |
2393 | } |
2500 | } |
2394 | |
2501 | |
2395 | void |
2502 | void |
2396 | ev_unloop (EV_P_ int how) |
2503 | ev_break (EV_P_ int how) |
2397 | { |
2504 | { |
2398 | loop_done = how; |
2505 | loop_done = how; |
2399 | } |
2506 | } |
2400 | |
2507 | |
2401 | void |
2508 | void |
… | |
… | |
2549 | EV_FREQUENT_CHECK; |
2656 | EV_FREQUENT_CHECK; |
2550 | |
2657 | |
2551 | wlist_del (&anfds[w->fd].head, (WL)w); |
2658 | wlist_del (&anfds[w->fd].head, (WL)w); |
2552 | ev_stop (EV_A_ (W)w); |
2659 | ev_stop (EV_A_ (W)w); |
2553 | |
2660 | |
2554 | fd_change (EV_A_ w->fd, 1); |
2661 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2555 | |
2662 | |
2556 | EV_FREQUENT_CHECK; |
2663 | EV_FREQUENT_CHECK; |
2557 | } |
2664 | } |
2558 | |
2665 | |
2559 | void noinline |
2666 | void noinline |
… | |
… | |
2712 | |
2819 | |
2713 | #ifndef SA_RESTART |
2820 | #ifndef SA_RESTART |
2714 | # define SA_RESTART 0 |
2821 | # define SA_RESTART 0 |
2715 | #endif |
2822 | #endif |
2716 | |
2823 | |
|
|
2824 | #if EV_SIGNAL_ENABLE |
|
|
2825 | |
2717 | void noinline |
2826 | void noinline |
2718 | ev_signal_start (EV_P_ ev_signal *w) |
2827 | ev_signal_start (EV_P_ ev_signal *w) |
2719 | { |
2828 | { |
2720 | if (expect_false (ev_is_active (w))) |
2829 | if (expect_false (ev_is_active (w))) |
2721 | return; |
2830 | return; |
… | |
… | |
2781 | sa.sa_handler = ev_sighandler; |
2890 | sa.sa_handler = ev_sighandler; |
2782 | sigfillset (&sa.sa_mask); |
2891 | sigfillset (&sa.sa_mask); |
2783 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2892 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2784 | sigaction (w->signum, &sa, 0); |
2893 | sigaction (w->signum, &sa, 0); |
2785 | |
2894 | |
|
|
2895 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2896 | { |
2786 | sigemptyset (&sa.sa_mask); |
2897 | sigemptyset (&sa.sa_mask); |
2787 | sigaddset (&sa.sa_mask, w->signum); |
2898 | sigaddset (&sa.sa_mask, w->signum); |
2788 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2899 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2900 | } |
2789 | #endif |
2901 | #endif |
2790 | } |
2902 | } |
2791 | |
2903 | |
2792 | EV_FREQUENT_CHECK; |
2904 | EV_FREQUENT_CHECK; |
2793 | } |
2905 | } |
… | |
… | |
2827 | } |
2939 | } |
2828 | |
2940 | |
2829 | EV_FREQUENT_CHECK; |
2941 | EV_FREQUENT_CHECK; |
2830 | } |
2942 | } |
2831 | |
2943 | |
|
|
2944 | #endif |
|
|
2945 | |
|
|
2946 | #if EV_CHILD_ENABLE |
|
|
2947 | |
2832 | void |
2948 | void |
2833 | ev_child_start (EV_P_ ev_child *w) |
2949 | ev_child_start (EV_P_ ev_child *w) |
2834 | { |
2950 | { |
2835 | #if EV_MULTIPLICITY |
2951 | #if EV_MULTIPLICITY |
2836 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2952 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2839 | return; |
2955 | return; |
2840 | |
2956 | |
2841 | EV_FREQUENT_CHECK; |
2957 | EV_FREQUENT_CHECK; |
2842 | |
2958 | |
2843 | ev_start (EV_A_ (W)w, 1); |
2959 | ev_start (EV_A_ (W)w, 1); |
2844 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2960 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2845 | |
2961 | |
2846 | EV_FREQUENT_CHECK; |
2962 | EV_FREQUENT_CHECK; |
2847 | } |
2963 | } |
2848 | |
2964 | |
2849 | void |
2965 | void |
… | |
… | |
2853 | if (expect_false (!ev_is_active (w))) |
2969 | if (expect_false (!ev_is_active (w))) |
2854 | return; |
2970 | return; |
2855 | |
2971 | |
2856 | EV_FREQUENT_CHECK; |
2972 | EV_FREQUENT_CHECK; |
2857 | |
2973 | |
2858 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2974 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2859 | ev_stop (EV_A_ (W)w); |
2975 | ev_stop (EV_A_ (W)w); |
2860 | |
2976 | |
2861 | EV_FREQUENT_CHECK; |
2977 | EV_FREQUENT_CHECK; |
2862 | } |
2978 | } |
|
|
2979 | |
|
|
2980 | #endif |
2863 | |
2981 | |
2864 | #if EV_STAT_ENABLE |
2982 | #if EV_STAT_ENABLE |
2865 | |
2983 | |
2866 | # ifdef _WIN32 |
2984 | # ifdef _WIN32 |
2867 | # undef lstat |
2985 | # undef lstat |
… | |
… | |
2934 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3052 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2935 | } |
3053 | } |
2936 | } |
3054 | } |
2937 | |
3055 | |
2938 | if (w->wd >= 0) |
3056 | if (w->wd >= 0) |
2939 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3057 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2940 | |
3058 | |
2941 | /* now re-arm timer, if required */ |
3059 | /* now re-arm timer, if required */ |
2942 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3060 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2943 | ev_timer_again (EV_A_ &w->timer); |
3061 | ev_timer_again (EV_A_ &w->timer); |
2944 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3062 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2952 | |
3070 | |
2953 | if (wd < 0) |
3071 | if (wd < 0) |
2954 | return; |
3072 | return; |
2955 | |
3073 | |
2956 | w->wd = -2; |
3074 | w->wd = -2; |
2957 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3075 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2958 | wlist_del (&fs_hash [slot].head, (WL)w); |
3076 | wlist_del (&fs_hash [slot].head, (WL)w); |
2959 | |
3077 | |
2960 | /* remove this watcher, if others are watching it, they will rearm */ |
3078 | /* remove this watcher, if others are watching it, they will rearm */ |
2961 | inotify_rm_watch (fs_fd, wd); |
3079 | inotify_rm_watch (fs_fd, wd); |
2962 | } |
3080 | } |
… | |
… | |
2964 | static void noinline |
3082 | static void noinline |
2965 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3083 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2966 | { |
3084 | { |
2967 | if (slot < 0) |
3085 | if (slot < 0) |
2968 | /* overflow, need to check for all hash slots */ |
3086 | /* overflow, need to check for all hash slots */ |
2969 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3087 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2970 | infy_wd (EV_A_ slot, wd, ev); |
3088 | infy_wd (EV_A_ slot, wd, ev); |
2971 | else |
3089 | else |
2972 | { |
3090 | { |
2973 | WL w_; |
3091 | WL w_; |
2974 | |
3092 | |
2975 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3093 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2976 | { |
3094 | { |
2977 | ev_stat *w = (ev_stat *)w_; |
3095 | ev_stat *w = (ev_stat *)w_; |
2978 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3096 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2979 | |
3097 | |
2980 | if (w->wd == wd || wd == -1) |
3098 | if (w->wd == wd || wd == -1) |
2981 | { |
3099 | { |
2982 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3100 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2983 | { |
3101 | { |
2984 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3102 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2985 | w->wd = -1; |
3103 | w->wd = -1; |
2986 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3104 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2987 | } |
3105 | } |
2988 | |
3106 | |
2989 | stat_timer_cb (EV_A_ &w->timer, 0); |
3107 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
3003 | { |
3121 | { |
3004 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3122 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3005 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3123 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3006 | ofs += sizeof (struct inotify_event) + ev->len; |
3124 | ofs += sizeof (struct inotify_event) + ev->len; |
3007 | } |
3125 | } |
3008 | } |
|
|
3009 | |
|
|
3010 | inline_size unsigned int |
|
|
3011 | ev_linux_version (void) |
|
|
3012 | { |
|
|
3013 | struct utsname buf; |
|
|
3014 | unsigned int v; |
|
|
3015 | int i; |
|
|
3016 | char *p = buf.release; |
|
|
3017 | |
|
|
3018 | if (uname (&buf)) |
|
|
3019 | return 0; |
|
|
3020 | |
|
|
3021 | for (i = 3+1; --i; ) |
|
|
3022 | { |
|
|
3023 | unsigned int c = 0; |
|
|
3024 | |
|
|
3025 | for (;;) |
|
|
3026 | { |
|
|
3027 | if (*p >= '0' && *p <= '9') |
|
|
3028 | c = c * 10 + *p++ - '0'; |
|
|
3029 | else |
|
|
3030 | { |
|
|
3031 | p += *p == '.'; |
|
|
3032 | break; |
|
|
3033 | } |
|
|
3034 | } |
|
|
3035 | |
|
|
3036 | v = (v << 8) | c; |
|
|
3037 | } |
|
|
3038 | |
|
|
3039 | return v; |
|
|
3040 | } |
3126 | } |
3041 | |
3127 | |
3042 | inline_size void |
3128 | inline_size void |
3043 | ev_check_2625 (EV_P) |
3129 | ev_check_2625 (EV_P) |
3044 | { |
3130 | { |
… | |
… | |
3103 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3189 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3104 | ev_io_start (EV_A_ &fs_w); |
3190 | ev_io_start (EV_A_ &fs_w); |
3105 | ev_unref (EV_A); |
3191 | ev_unref (EV_A); |
3106 | } |
3192 | } |
3107 | |
3193 | |
3108 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3194 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3109 | { |
3195 | { |
3110 | WL w_ = fs_hash [slot].head; |
3196 | WL w_ = fs_hash [slot].head; |
3111 | fs_hash [slot].head = 0; |
3197 | fs_hash [slot].head = 0; |
3112 | |
3198 | |
3113 | while (w_) |
3199 | while (w_) |
… | |
… | |
3288 | |
3374 | |
3289 | EV_FREQUENT_CHECK; |
3375 | EV_FREQUENT_CHECK; |
3290 | } |
3376 | } |
3291 | #endif |
3377 | #endif |
3292 | |
3378 | |
|
|
3379 | #if EV_PREPARE_ENABLE |
3293 | void |
3380 | void |
3294 | ev_prepare_start (EV_P_ ev_prepare *w) |
3381 | ev_prepare_start (EV_P_ ev_prepare *w) |
3295 | { |
3382 | { |
3296 | if (expect_false (ev_is_active (w))) |
3383 | if (expect_false (ev_is_active (w))) |
3297 | return; |
3384 | return; |
… | |
… | |
3323 | |
3410 | |
3324 | ev_stop (EV_A_ (W)w); |
3411 | ev_stop (EV_A_ (W)w); |
3325 | |
3412 | |
3326 | EV_FREQUENT_CHECK; |
3413 | EV_FREQUENT_CHECK; |
3327 | } |
3414 | } |
|
|
3415 | #endif |
3328 | |
3416 | |
|
|
3417 | #if EV_CHECK_ENABLE |
3329 | void |
3418 | void |
3330 | ev_check_start (EV_P_ ev_check *w) |
3419 | ev_check_start (EV_P_ ev_check *w) |
3331 | { |
3420 | { |
3332 | if (expect_false (ev_is_active (w))) |
3421 | if (expect_false (ev_is_active (w))) |
3333 | return; |
3422 | return; |
… | |
… | |
3359 | |
3448 | |
3360 | ev_stop (EV_A_ (W)w); |
3449 | ev_stop (EV_A_ (W)w); |
3361 | |
3450 | |
3362 | EV_FREQUENT_CHECK; |
3451 | EV_FREQUENT_CHECK; |
3363 | } |
3452 | } |
|
|
3453 | #endif |
3364 | |
3454 | |
3365 | #if EV_EMBED_ENABLE |
3455 | #if EV_EMBED_ENABLE |
3366 | void noinline |
3456 | void noinline |
3367 | ev_embed_sweep (EV_P_ ev_embed *w) |
3457 | ev_embed_sweep (EV_P_ ev_embed *w) |
3368 | { |
3458 | { |
3369 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3459 | ev_run (w->other, EVRUN_NOWAIT); |
3370 | } |
3460 | } |
3371 | |
3461 | |
3372 | static void |
3462 | static void |
3373 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3463 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3374 | { |
3464 | { |
3375 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3465 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3376 | |
3466 | |
3377 | if (ev_cb (w)) |
3467 | if (ev_cb (w)) |
3378 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3468 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3379 | else |
3469 | else |
3380 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3470 | ev_run (w->other, EVRUN_NOWAIT); |
3381 | } |
3471 | } |
3382 | |
3472 | |
3383 | static void |
3473 | static void |
3384 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3474 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3385 | { |
3475 | { |
… | |
… | |
3389 | EV_P = w->other; |
3479 | EV_P = w->other; |
3390 | |
3480 | |
3391 | while (fdchangecnt) |
3481 | while (fdchangecnt) |
3392 | { |
3482 | { |
3393 | fd_reify (EV_A); |
3483 | fd_reify (EV_A); |
3394 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3484 | ev_run (EV_A_ EVRUN_NOWAIT); |
3395 | } |
3485 | } |
3396 | } |
3486 | } |
3397 | } |
3487 | } |
3398 | |
3488 | |
3399 | static void |
3489 | static void |
… | |
… | |
3405 | |
3495 | |
3406 | { |
3496 | { |
3407 | EV_P = w->other; |
3497 | EV_P = w->other; |
3408 | |
3498 | |
3409 | ev_loop_fork (EV_A); |
3499 | ev_loop_fork (EV_A); |
3410 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3500 | ev_run (EV_A_ EVRUN_NOWAIT); |
3411 | } |
3501 | } |
3412 | |
3502 | |
3413 | ev_embed_start (EV_A_ w); |
3503 | ev_embed_start (EV_A_ w); |
3414 | } |
3504 | } |
3415 | |
3505 | |
… | |
… | |
3507 | |
3597 | |
3508 | EV_FREQUENT_CHECK; |
3598 | EV_FREQUENT_CHECK; |
3509 | } |
3599 | } |
3510 | #endif |
3600 | #endif |
3511 | |
3601 | |
3512 | #if EV_ASYNC_ENABLE |
3602 | #if EV_CLEANUP_ENABLE |
3513 | void |
3603 | void |
3514 | ev_async_start (EV_P_ ev_async *w) |
3604 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3515 | { |
3605 | { |
3516 | if (expect_false (ev_is_active (w))) |
3606 | if (expect_false (ev_is_active (w))) |
3517 | return; |
3607 | return; |
|
|
3608 | |
|
|
3609 | EV_FREQUENT_CHECK; |
|
|
3610 | |
|
|
3611 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3612 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3613 | cleanups [cleanupcnt - 1] = w; |
|
|
3614 | |
|
|
3615 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3616 | ev_unref (EV_A); |
|
|
3617 | EV_FREQUENT_CHECK; |
|
|
3618 | } |
|
|
3619 | |
|
|
3620 | void |
|
|
3621 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3622 | { |
|
|
3623 | clear_pending (EV_A_ (W)w); |
|
|
3624 | if (expect_false (!ev_is_active (w))) |
|
|
3625 | return; |
|
|
3626 | |
|
|
3627 | EV_FREQUENT_CHECK; |
|
|
3628 | ev_ref (EV_A); |
|
|
3629 | |
|
|
3630 | { |
|
|
3631 | int active = ev_active (w); |
|
|
3632 | |
|
|
3633 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3634 | ev_active (cleanups [active - 1]) = active; |
|
|
3635 | } |
|
|
3636 | |
|
|
3637 | ev_stop (EV_A_ (W)w); |
|
|
3638 | |
|
|
3639 | EV_FREQUENT_CHECK; |
|
|
3640 | } |
|
|
3641 | #endif |
|
|
3642 | |
|
|
3643 | #if EV_ASYNC_ENABLE |
|
|
3644 | void |
|
|
3645 | ev_async_start (EV_P_ ev_async *w) |
|
|
3646 | { |
|
|
3647 | if (expect_false (ev_is_active (w))) |
|
|
3648 | return; |
|
|
3649 | |
|
|
3650 | w->sent = 0; |
3518 | |
3651 | |
3519 | evpipe_init (EV_A); |
3652 | evpipe_init (EV_A); |
3520 | |
3653 | |
3521 | EV_FREQUENT_CHECK; |
3654 | EV_FREQUENT_CHECK; |
3522 | |
3655 | |
… | |
… | |
3600 | { |
3733 | { |
3601 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3734 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3602 | |
3735 | |
3603 | if (expect_false (!once)) |
3736 | if (expect_false (!once)) |
3604 | { |
3737 | { |
3605 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3738 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3606 | return; |
3739 | return; |
3607 | } |
3740 | } |
3608 | |
3741 | |
3609 | once->cb = cb; |
3742 | once->cb = cb; |
3610 | once->arg = arg; |
3743 | once->arg = arg; |
… | |
… | |
3697 | if (types & EV_ASYNC) |
3830 | if (types & EV_ASYNC) |
3698 | for (i = asynccnt; i--; ) |
3831 | for (i = asynccnt; i--; ) |
3699 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3832 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3700 | #endif |
3833 | #endif |
3701 | |
3834 | |
|
|
3835 | #if EV_PREPARE_ENABLE |
3702 | if (types & EV_PREPARE) |
3836 | if (types & EV_PREPARE) |
3703 | for (i = preparecnt; i--; ) |
3837 | for (i = preparecnt; i--; ) |
3704 | #if EV_EMBED_ENABLE |
3838 | # if EV_EMBED_ENABLE |
3705 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3839 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3706 | #endif |
3840 | # endif |
3707 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3841 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3842 | #endif |
3708 | |
3843 | |
|
|
3844 | #if EV_CHECK_ENABLE |
3709 | if (types & EV_CHECK) |
3845 | if (types & EV_CHECK) |
3710 | for (i = checkcnt; i--; ) |
3846 | for (i = checkcnt; i--; ) |
3711 | cb (EV_A_ EV_CHECK, checks [i]); |
3847 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3848 | #endif |
3712 | |
3849 | |
|
|
3850 | #if EV_SIGNAL_ENABLE |
3713 | if (types & EV_SIGNAL) |
3851 | if (types & EV_SIGNAL) |
3714 | for (i = 0; i < EV_NSIG - 1; ++i) |
3852 | for (i = 0; i < EV_NSIG - 1; ++i) |
3715 | for (wl = signals [i].head; wl; ) |
3853 | for (wl = signals [i].head; wl; ) |
3716 | { |
3854 | { |
3717 | wn = wl->next; |
3855 | wn = wl->next; |
3718 | cb (EV_A_ EV_SIGNAL, wl); |
3856 | cb (EV_A_ EV_SIGNAL, wl); |
3719 | wl = wn; |
3857 | wl = wn; |
3720 | } |
3858 | } |
|
|
3859 | #endif |
3721 | |
3860 | |
|
|
3861 | #if EV_CHILD_ENABLE |
3722 | if (types & EV_CHILD) |
3862 | if (types & EV_CHILD) |
3723 | for (i = EV_PID_HASHSIZE; i--; ) |
3863 | for (i = (EV_PID_HASHSIZE); i--; ) |
3724 | for (wl = childs [i]; wl; ) |
3864 | for (wl = childs [i]; wl; ) |
3725 | { |
3865 | { |
3726 | wn = wl->next; |
3866 | wn = wl->next; |
3727 | cb (EV_A_ EV_CHILD, wl); |
3867 | cb (EV_A_ EV_CHILD, wl); |
3728 | wl = wn; |
3868 | wl = wn; |
3729 | } |
3869 | } |
|
|
3870 | #endif |
3730 | /* EV_STAT 0x00001000 /* stat data changed */ |
3871 | /* EV_STAT 0x00001000 /* stat data changed */ |
3731 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3872 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3732 | } |
3873 | } |
3733 | #endif |
3874 | #endif |
3734 | |
3875 | |
3735 | #if EV_MULTIPLICITY |
3876 | #if EV_MULTIPLICITY |
3736 | #include "ev_wrap.h" |
3877 | #include "ev_wrap.h" |
3737 | #endif |
3878 | #endif |
3738 | |
3879 | |
3739 | #ifdef __cplusplus |
3880 | EV_CPP(}) |
3740 | } |
|
|
3741 | #endif |
|
|
3742 | |
3881 | |