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 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
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 |
49 | # include "config.h" |
45 | # include "config.h" |
50 | # endif |
46 | # endif |
|
|
47 | |
|
|
48 | #if HAVE_FLOOR |
|
|
49 | # ifndef EV_USE_FLOOR |
|
|
50 | # define EV_USE_FLOOR 1 |
|
|
51 | # endif |
|
|
52 | #endif |
51 | |
53 | |
52 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
53 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
54 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
55 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
77 | # ifndef EV_USE_REALTIME |
79 | # ifndef EV_USE_REALTIME |
78 | # define EV_USE_REALTIME 0 |
80 | # define EV_USE_REALTIME 0 |
79 | # endif |
81 | # endif |
80 | # endif |
82 | # endif |
81 | |
83 | |
|
|
84 | # if HAVE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
85 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
|
|
84 | # define EV_USE_NANOSLEEP 1 |
86 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
87 | # endif |
85 | # else |
88 | # else |
|
|
89 | # undef EV_USE_NANOSLEEP |
86 | # define EV_USE_NANOSLEEP 0 |
90 | # define EV_USE_NANOSLEEP 0 |
|
|
91 | # endif |
|
|
92 | |
|
|
93 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
94 | # ifndef EV_USE_SELECT |
|
|
95 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
87 | # endif |
96 | # endif |
|
|
97 | # else |
|
|
98 | # undef EV_USE_SELECT |
|
|
99 | # define EV_USE_SELECT 0 |
88 | # endif |
100 | # endif |
89 | |
101 | |
|
|
102 | # if HAVE_POLL && HAVE_POLL_H |
90 | # ifndef EV_USE_SELECT |
103 | # ifndef EV_USE_POLL |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
104 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
92 | # define EV_USE_SELECT 1 |
|
|
93 | # else |
|
|
94 | # define EV_USE_SELECT 0 |
|
|
95 | # endif |
105 | # endif |
96 | # endif |
|
|
97 | |
|
|
98 | # ifndef EV_USE_POLL |
|
|
99 | # if HAVE_POLL && HAVE_POLL_H |
|
|
100 | # define EV_USE_POLL 1 |
|
|
101 | # else |
106 | # else |
|
|
107 | # undef EV_USE_POLL |
102 | # define EV_USE_POLL 0 |
108 | # define EV_USE_POLL 0 |
103 | # endif |
|
|
104 | # endif |
109 | # endif |
105 | |
110 | |
106 | # ifndef EV_USE_EPOLL |
|
|
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
111 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
112 | # ifndef EV_USE_EPOLL |
109 | # else |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
110 | # define EV_USE_EPOLL 0 |
|
|
111 | # endif |
114 | # endif |
|
|
115 | # else |
|
|
116 | # undef EV_USE_EPOLL |
|
|
117 | # define EV_USE_EPOLL 0 |
112 | # endif |
118 | # endif |
113 | |
119 | |
114 | # ifndef EV_USE_KQUEUE |
|
|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
121 | # ifndef EV_USE_KQUEUE |
117 | # else |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_KQUEUE |
|
|
126 | # define EV_USE_KQUEUE 0 |
120 | # endif |
127 | # endif |
121 | |
128 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
129 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
130 | # ifndef EV_USE_PORT |
125 | # else |
131 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_PORT |
|
|
135 | # define EV_USE_PORT 0 |
128 | # endif |
136 | # endif |
129 | |
137 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
138 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
139 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
140 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
141 | # endif |
|
|
142 | # else |
|
|
143 | # undef EV_USE_INOTIFY |
|
|
144 | # define EV_USE_INOTIFY 0 |
136 | # endif |
145 | # endif |
137 | |
146 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
148 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_SIGNALFD |
|
|
153 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
154 | # endif |
145 | |
155 | |
|
|
156 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
157 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_EVENTFD |
|
|
162 | # define EV_USE_EVENTFD 0 |
152 | # endif |
163 | # endif |
153 | |
164 | |
154 | #endif |
165 | #endif |
155 | |
166 | |
156 | #include <math.h> |
|
|
157 | #include <stdlib.h> |
167 | #include <stdlib.h> |
158 | #include <string.h> |
168 | #include <string.h> |
159 | #include <fcntl.h> |
169 | #include <fcntl.h> |
160 | #include <stddef.h> |
170 | #include <stddef.h> |
161 | |
171 | |
… | |
… | |
172 | #ifdef EV_H |
182 | #ifdef EV_H |
173 | # include EV_H |
183 | # include EV_H |
174 | #else |
184 | #else |
175 | # include "ev.h" |
185 | # include "ev.h" |
176 | #endif |
186 | #endif |
|
|
187 | |
|
|
188 | EV_CPP(extern "C" {) |
177 | |
189 | |
178 | #ifndef _WIN32 |
190 | #ifndef _WIN32 |
179 | # include <sys/time.h> |
191 | # include <sys/time.h> |
180 | # include <sys/wait.h> |
192 | # include <sys/wait.h> |
181 | # include <unistd.h> |
193 | # include <unistd.h> |
… | |
… | |
184 | # define WIN32_LEAN_AND_MEAN |
196 | # define WIN32_LEAN_AND_MEAN |
185 | # include <windows.h> |
197 | # include <windows.h> |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
188 | # endif |
200 | # endif |
|
|
201 | # undef EV_AVOID_STDIO |
189 | #endif |
202 | #endif |
|
|
203 | |
|
|
204 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
205 | * a limit of 1024 into their select. Where people have brains, |
|
|
206 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
207 | * ordered to have a vacuum, or they do anything for money. |
|
|
208 | * This might help. Or not. |
|
|
209 | */ |
|
|
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
190 | |
211 | |
191 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
212 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | |
213 | |
193 | /* try to deduce the maximum number of signals on this platform */ |
214 | /* try to deduce the maximum number of signals on this platform */ |
194 | #if defined (EV_NSIG) |
215 | #if defined (EV_NSIG) |
… | |
… | |
206 | #elif defined (MAXSIG) |
227 | #elif defined (MAXSIG) |
207 | # define EV_NSIG (MAXSIG+1) |
228 | # define EV_NSIG (MAXSIG+1) |
208 | #elif defined (MAX_SIG) |
229 | #elif defined (MAX_SIG) |
209 | # define EV_NSIG (MAX_SIG+1) |
230 | # define EV_NSIG (MAX_SIG+1) |
210 | #elif defined (SIGARRAYSIZE) |
231 | #elif defined (SIGARRAYSIZE) |
211 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
212 | #elif defined (_sys_nsig) |
233 | #elif defined (_sys_nsig) |
213 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | #else |
235 | #else |
215 | # error "unable to find value for NSIG, please report" |
236 | # error "unable to find value for NSIG, please report" |
216 | /* to make it compile regardless, just remove the above line */ |
237 | /* to make it compile regardless, just remove the above line, */ |
|
|
238 | /* but consider reporting it, too! :) */ |
217 | # define EV_NSIG 65 |
239 | # define EV_NSIG 65 |
|
|
240 | #endif |
|
|
241 | |
|
|
242 | #ifndef EV_USE_FLOOR |
|
|
243 | # define EV_USE_FLOOR 0 |
218 | #endif |
244 | #endif |
219 | |
245 | |
220 | #ifndef EV_USE_CLOCK_SYSCALL |
246 | #ifndef EV_USE_CLOCK_SYSCALL |
221 | # if __linux && __GLIBC__ >= 2 |
247 | # if __linux && __GLIBC__ >= 2 |
222 | # define EV_USE_CLOCK_SYSCALL 1 |
248 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
223 | # else |
249 | # else |
224 | # define EV_USE_CLOCK_SYSCALL 0 |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
225 | # endif |
251 | # endif |
226 | #endif |
252 | #endif |
227 | |
253 | |
228 | #ifndef EV_USE_MONOTONIC |
254 | #ifndef EV_USE_MONOTONIC |
229 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
230 | # define EV_USE_MONOTONIC 1 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
231 | # else |
257 | # else |
232 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
233 | # endif |
259 | # endif |
234 | #endif |
260 | #endif |
235 | |
261 | |
… | |
… | |
237 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
263 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
238 | #endif |
264 | #endif |
239 | |
265 | |
240 | #ifndef EV_USE_NANOSLEEP |
266 | #ifndef EV_USE_NANOSLEEP |
241 | # if _POSIX_C_SOURCE >= 199309L |
267 | # if _POSIX_C_SOURCE >= 199309L |
242 | # define EV_USE_NANOSLEEP 1 |
268 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
243 | # else |
269 | # else |
244 | # define EV_USE_NANOSLEEP 0 |
270 | # define EV_USE_NANOSLEEP 0 |
245 | # endif |
271 | # endif |
246 | #endif |
272 | #endif |
247 | |
273 | |
248 | #ifndef EV_USE_SELECT |
274 | #ifndef EV_USE_SELECT |
249 | # define EV_USE_SELECT 1 |
275 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
250 | #endif |
276 | #endif |
251 | |
277 | |
252 | #ifndef EV_USE_POLL |
278 | #ifndef EV_USE_POLL |
253 | # ifdef _WIN32 |
279 | # ifdef _WIN32 |
254 | # define EV_USE_POLL 0 |
280 | # define EV_USE_POLL 0 |
255 | # else |
281 | # else |
256 | # define EV_USE_POLL 1 |
282 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
257 | # endif |
283 | # endif |
258 | #endif |
284 | #endif |
259 | |
285 | |
260 | #ifndef EV_USE_EPOLL |
286 | #ifndef EV_USE_EPOLL |
261 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
287 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
262 | # define EV_USE_EPOLL 1 |
288 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
263 | # else |
289 | # else |
264 | # define EV_USE_EPOLL 0 |
290 | # define EV_USE_EPOLL 0 |
265 | # endif |
291 | # endif |
266 | #endif |
292 | #endif |
267 | |
293 | |
… | |
… | |
273 | # define EV_USE_PORT 0 |
299 | # define EV_USE_PORT 0 |
274 | #endif |
300 | #endif |
275 | |
301 | |
276 | #ifndef EV_USE_INOTIFY |
302 | #ifndef EV_USE_INOTIFY |
277 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # define EV_USE_INOTIFY 1 |
304 | # define EV_USE_INOTIFY EV_FEATURE_OS |
279 | # else |
305 | # else |
280 | # define EV_USE_INOTIFY 0 |
306 | # define EV_USE_INOTIFY 0 |
281 | # endif |
307 | # endif |
282 | #endif |
308 | #endif |
283 | |
309 | |
284 | #ifndef EV_PID_HASHSIZE |
310 | #ifndef EV_PID_HASHSIZE |
285 | # if EV_MINIMAL |
311 | # 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 |
312 | #endif |
291 | |
313 | |
292 | #ifndef EV_INOTIFY_HASHSIZE |
314 | #ifndef EV_INOTIFY_HASHSIZE |
293 | # if EV_MINIMAL |
315 | # 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 |
316 | #endif |
299 | |
317 | |
300 | #ifndef EV_USE_EVENTFD |
318 | #ifndef EV_USE_EVENTFD |
301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
302 | # define EV_USE_EVENTFD 1 |
320 | # define EV_USE_EVENTFD EV_FEATURE_OS |
303 | # else |
321 | # else |
304 | # define EV_USE_EVENTFD 0 |
322 | # define EV_USE_EVENTFD 0 |
305 | # endif |
323 | # endif |
306 | #endif |
324 | #endif |
307 | |
325 | |
308 | #ifndef EV_USE_SIGNALFD |
326 | #ifndef EV_USE_SIGNALFD |
309 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
327 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # define EV_USE_SIGNALFD 1 |
328 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
311 | # else |
329 | # else |
312 | # define EV_USE_SIGNALFD 0 |
330 | # define EV_USE_SIGNALFD 0 |
313 | # endif |
331 | # endif |
314 | #endif |
332 | #endif |
315 | |
333 | |
… | |
… | |
318 | # define EV_USE_4HEAP 1 |
336 | # define EV_USE_4HEAP 1 |
319 | # define EV_HEAP_CACHE_AT 1 |
337 | # define EV_HEAP_CACHE_AT 1 |
320 | #endif |
338 | #endif |
321 | |
339 | |
322 | #ifndef EV_VERIFY |
340 | #ifndef EV_VERIFY |
323 | # define EV_VERIFY !EV_MINIMAL |
341 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
324 | #endif |
342 | #endif |
325 | |
343 | |
326 | #ifndef EV_USE_4HEAP |
344 | #ifndef EV_USE_4HEAP |
327 | # define EV_USE_4HEAP !EV_MINIMAL |
345 | # define EV_USE_4HEAP EV_FEATURE_DATA |
328 | #endif |
346 | #endif |
329 | |
347 | |
330 | #ifndef EV_HEAP_CACHE_AT |
348 | #ifndef EV_HEAP_CACHE_AT |
331 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
349 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
332 | #endif |
350 | #endif |
333 | |
351 | |
334 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
352 | /* 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. */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
336 | #if EV_USE_CLOCK_SYSCALL |
354 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
367 | # undef EV_USE_INOTIFY |
385 | # undef EV_USE_INOTIFY |
368 | # define EV_USE_INOTIFY 0 |
386 | # define EV_USE_INOTIFY 0 |
369 | #endif |
387 | #endif |
370 | |
388 | |
371 | #if !EV_USE_NANOSLEEP |
389 | #if !EV_USE_NANOSLEEP |
372 | # ifndef _WIN32 |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
391 | # if !defined(_WIN32) && !defined(__hpux) |
373 | # include <sys/select.h> |
392 | # include <sys/select.h> |
374 | # endif |
393 | # endif |
375 | #endif |
394 | #endif |
376 | |
395 | |
377 | #if EV_USE_INOTIFY |
396 | #if EV_USE_INOTIFY |
378 | # include <sys/utsname.h> |
|
|
379 | # include <sys/statfs.h> |
397 | # include <sys/statfs.h> |
380 | # include <sys/inotify.h> |
398 | # include <sys/inotify.h> |
381 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
399 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
382 | # ifndef IN_DONT_FOLLOW |
400 | # ifndef IN_DONT_FOLLOW |
383 | # undef EV_USE_INOTIFY |
401 | # undef EV_USE_INOTIFY |
… | |
… | |
400 | # define EFD_CLOEXEC O_CLOEXEC |
418 | # define EFD_CLOEXEC O_CLOEXEC |
401 | # else |
419 | # else |
402 | # define EFD_CLOEXEC 02000000 |
420 | # define EFD_CLOEXEC 02000000 |
403 | # endif |
421 | # endif |
404 | # endif |
422 | # endif |
405 | # ifdef __cplusplus |
|
|
406 | extern "C" { |
|
|
407 | # endif |
|
|
408 | int eventfd (unsigned int initval, int flags); |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
409 | # ifdef __cplusplus |
|
|
410 | } |
|
|
411 | # endif |
|
|
412 | #endif |
424 | #endif |
413 | |
425 | |
414 | #if EV_USE_SIGNALFD |
426 | #if EV_USE_SIGNALFD |
415 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
416 | # include <stdint.h> |
428 | # include <stdint.h> |
… | |
… | |
422 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # define SFD_CLOEXEC O_CLOEXEC |
423 | # else |
435 | # else |
424 | # define SFD_CLOEXEC 02000000 |
436 | # define SFD_CLOEXEC 02000000 |
425 | # endif |
437 | # endif |
426 | # endif |
438 | # endif |
427 | # ifdef __cplusplus |
|
|
428 | extern "C" { |
|
|
429 | # endif |
|
|
430 | int signalfd (int fd, const sigset_t *mask, int flags); |
439 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
431 | |
440 | |
432 | struct signalfd_siginfo |
441 | struct signalfd_siginfo |
433 | { |
442 | { |
434 | uint32_t ssi_signo; |
443 | uint32_t ssi_signo; |
435 | char pad[128 - sizeof (uint32_t)]; |
444 | char pad[128 - sizeof (uint32_t)]; |
436 | }; |
445 | }; |
437 | # ifdef __cplusplus |
|
|
438 | } |
|
|
439 | # endif |
446 | #endif |
440 | #endif |
|
|
441 | |
|
|
442 | |
447 | |
443 | /**/ |
448 | /**/ |
444 | |
449 | |
445 | #if EV_VERIFY >= 3 |
450 | #if EV_VERIFY >= 3 |
446 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
451 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
447 | #else |
452 | #else |
448 | # define EV_FREQUENT_CHECK do { } while (0) |
453 | # define EV_FREQUENT_CHECK do { } while (0) |
449 | #endif |
454 | #endif |
450 | |
455 | |
451 | /* |
456 | /* |
452 | * This is used to avoid floating point rounding problems. |
457 | * This is used to work around floating point rounding problems. |
453 | * It is added to ev_rt_now when scheduling periodics |
|
|
454 | * to ensure progress, time-wise, even when rounding |
|
|
455 | * errors are against us. |
|
|
456 | * This value is good at least till the year 4000. |
458 | * This value is good at least till the year 4000. |
457 | * Better solutions welcome. |
|
|
458 | */ |
459 | */ |
459 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
460 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
461 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
460 | |
462 | |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
463 | #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) */ |
464 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
465 | |
|
|
466 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
467 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
463 | |
468 | |
464 | #if __GNUC__ >= 4 |
469 | #if __GNUC__ >= 4 |
465 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
470 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
466 | # define noinline __attribute__ ((noinline)) |
471 | # define noinline __attribute__ ((noinline)) |
467 | #else |
472 | #else |
… | |
… | |
474 | |
479 | |
475 | #define expect_false(expr) expect ((expr) != 0, 0) |
480 | #define expect_false(expr) expect ((expr) != 0, 0) |
476 | #define expect_true(expr) expect ((expr) != 0, 1) |
481 | #define expect_true(expr) expect ((expr) != 0, 1) |
477 | #define inline_size static inline |
482 | #define inline_size static inline |
478 | |
483 | |
479 | #if EV_MINIMAL |
484 | #if EV_FEATURE_CODE |
|
|
485 | # define inline_speed static inline |
|
|
486 | #else |
480 | # define inline_speed static noinline |
487 | # define inline_speed static noinline |
481 | #else |
|
|
482 | # define inline_speed static inline |
|
|
483 | #endif |
488 | #endif |
484 | |
489 | |
485 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
490 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
486 | |
491 | |
487 | #if EV_MINPRI == EV_MAXPRI |
492 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
500 | #define ev_active(w) ((W)(w))->active |
505 | #define ev_active(w) ((W)(w))->active |
501 | #define ev_at(w) ((WT)(w))->at |
506 | #define ev_at(w) ((WT)(w))->at |
502 | |
507 | |
503 | #if EV_USE_REALTIME |
508 | #if EV_USE_REALTIME |
504 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
509 | /* 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 */ |
510 | /* giving it a reasonably high chance of working on typical architectures */ |
506 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
511 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
507 | #endif |
512 | #endif |
508 | |
513 | |
509 | #if EV_USE_MONOTONIC |
514 | #if EV_USE_MONOTONIC |
510 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
515 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
523 | #ifdef _WIN32 |
528 | #ifdef _WIN32 |
524 | # include "ev_win32.c" |
529 | # include "ev_win32.c" |
525 | #endif |
530 | #endif |
526 | |
531 | |
527 | /*****************************************************************************/ |
532 | /*****************************************************************************/ |
|
|
533 | |
|
|
534 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
535 | |
|
|
536 | #if EV_USE_FLOOR |
|
|
537 | # include <math.h> |
|
|
538 | # define ev_floor(v) floor (v) |
|
|
539 | #else |
|
|
540 | |
|
|
541 | #include <float.h> |
|
|
542 | |
|
|
543 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
544 | static ev_tstamp noinline |
|
|
545 | ev_floor (ev_tstamp v) |
|
|
546 | { |
|
|
547 | /* the choice of shift factor is not terribly important */ |
|
|
548 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
549 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
550 | #else |
|
|
551 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
552 | #endif |
|
|
553 | |
|
|
554 | /* argument too large for an unsigned long? */ |
|
|
555 | if (expect_false (v >= shift)) |
|
|
556 | { |
|
|
557 | ev_tstamp f; |
|
|
558 | |
|
|
559 | if (v == v - 1.) |
|
|
560 | return v; /* very large number */ |
|
|
561 | |
|
|
562 | f = shift * ev_floor (v * (1. / shift)); |
|
|
563 | return f + ev_floor (v - f); |
|
|
564 | } |
|
|
565 | |
|
|
566 | /* special treatment for negative args? */ |
|
|
567 | if (expect_false (v < 0.)) |
|
|
568 | { |
|
|
569 | ev_tstamp f = -ev_floor (-v); |
|
|
570 | |
|
|
571 | return f - (f == v ? 0 : 1); |
|
|
572 | } |
|
|
573 | |
|
|
574 | /* fits into an unsigned long */ |
|
|
575 | return (unsigned long)v; |
|
|
576 | } |
|
|
577 | |
|
|
578 | #endif |
|
|
579 | |
|
|
580 | /*****************************************************************************/ |
|
|
581 | |
|
|
582 | #ifdef __linux |
|
|
583 | # include <sys/utsname.h> |
|
|
584 | #endif |
|
|
585 | |
|
|
586 | static unsigned int noinline |
|
|
587 | ev_linux_version (void) |
|
|
588 | { |
|
|
589 | #ifdef __linux |
|
|
590 | unsigned int v = 0; |
|
|
591 | struct utsname buf; |
|
|
592 | int i; |
|
|
593 | char *p = buf.release; |
|
|
594 | |
|
|
595 | if (uname (&buf)) |
|
|
596 | return 0; |
|
|
597 | |
|
|
598 | for (i = 3+1; --i; ) |
|
|
599 | { |
|
|
600 | unsigned int c = 0; |
|
|
601 | |
|
|
602 | for (;;) |
|
|
603 | { |
|
|
604 | if (*p >= '0' && *p <= '9') |
|
|
605 | c = c * 10 + *p++ - '0'; |
|
|
606 | else |
|
|
607 | { |
|
|
608 | p += *p == '.'; |
|
|
609 | break; |
|
|
610 | } |
|
|
611 | } |
|
|
612 | |
|
|
613 | v = (v << 8) | c; |
|
|
614 | } |
|
|
615 | |
|
|
616 | return v; |
|
|
617 | #else |
|
|
618 | return 0; |
|
|
619 | #endif |
|
|
620 | } |
|
|
621 | |
|
|
622 | /*****************************************************************************/ |
|
|
623 | |
|
|
624 | #if EV_AVOID_STDIO |
|
|
625 | static void noinline |
|
|
626 | ev_printerr (const char *msg) |
|
|
627 | { |
|
|
628 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
629 | } |
|
|
630 | #endif |
528 | |
631 | |
529 | static void (*syserr_cb)(const char *msg); |
632 | static void (*syserr_cb)(const char *msg); |
530 | |
633 | |
531 | void |
634 | void |
532 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
635 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
542 | |
645 | |
543 | if (syserr_cb) |
646 | if (syserr_cb) |
544 | syserr_cb (msg); |
647 | syserr_cb (msg); |
545 | else |
648 | else |
546 | { |
649 | { |
|
|
650 | #if EV_AVOID_STDIO |
|
|
651 | ev_printerr (msg); |
|
|
652 | ev_printerr (": "); |
|
|
653 | ev_printerr (strerror (errno)); |
|
|
654 | ev_printerr ("\n"); |
|
|
655 | #else |
547 | perror (msg); |
656 | perror (msg); |
|
|
657 | #endif |
548 | abort (); |
658 | abort (); |
549 | } |
659 | } |
550 | } |
660 | } |
551 | |
661 | |
552 | static void * |
662 | static void * |
553 | ev_realloc_emul (void *ptr, long size) |
663 | ev_realloc_emul (void *ptr, long size) |
554 | { |
664 | { |
|
|
665 | #if __GLIBC__ |
|
|
666 | return realloc (ptr, size); |
|
|
667 | #else |
555 | /* some systems, notably openbsd and darwin, fail to properly |
668 | /* some systems, notably openbsd and darwin, fail to properly |
556 | * implement realloc (x, 0) (as required by both ansi c-98 and |
669 | * implement realloc (x, 0) (as required by both ansi c-89 and |
557 | * the single unix specification, so work around them here. |
670 | * the single unix specification, so work around them here. |
558 | */ |
671 | */ |
559 | |
672 | |
560 | if (size) |
673 | if (size) |
561 | return realloc (ptr, size); |
674 | return realloc (ptr, size); |
562 | |
675 | |
563 | free (ptr); |
676 | free (ptr); |
564 | return 0; |
677 | return 0; |
|
|
678 | #endif |
565 | } |
679 | } |
566 | |
680 | |
567 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
681 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
568 | |
682 | |
569 | void |
683 | void |
… | |
… | |
577 | { |
691 | { |
578 | ptr = alloc (ptr, size); |
692 | ptr = alloc (ptr, size); |
579 | |
693 | |
580 | if (!ptr && size) |
694 | if (!ptr && size) |
581 | { |
695 | { |
|
|
696 | #if EV_AVOID_STDIO |
|
|
697 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
698 | #else |
582 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
699 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
700 | #endif |
583 | abort (); |
701 | abort (); |
584 | } |
702 | } |
585 | |
703 | |
586 | return ptr; |
704 | return ptr; |
587 | } |
705 | } |
… | |
… | |
603 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
721 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
604 | unsigned char unused; |
722 | unsigned char unused; |
605 | #if EV_USE_EPOLL |
723 | #if EV_USE_EPOLL |
606 | unsigned int egen; /* generation counter to counter epoll bugs */ |
724 | unsigned int egen; /* generation counter to counter epoll bugs */ |
607 | #endif |
725 | #endif |
608 | #if EV_SELECT_IS_WINSOCKET |
726 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
609 | SOCKET handle; |
727 | SOCKET handle; |
|
|
728 | #endif |
|
|
729 | #if EV_USE_IOCP |
|
|
730 | OVERLAPPED or, ow; |
610 | #endif |
731 | #endif |
611 | } ANFD; |
732 | } ANFD; |
612 | |
733 | |
613 | /* stores the pending event set for a given watcher */ |
734 | /* stores the pending event set for a given watcher */ |
614 | typedef struct |
735 | typedef struct |
… | |
… | |
669 | |
790 | |
670 | static int ev_default_loop_ptr; |
791 | static int ev_default_loop_ptr; |
671 | |
792 | |
672 | #endif |
793 | #endif |
673 | |
794 | |
674 | #if EV_MINIMAL < 2 |
795 | #if EV_FEATURE_API |
675 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
796 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
676 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
797 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
677 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
798 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
678 | #else |
799 | #else |
679 | # define EV_RELEASE_CB (void)0 |
800 | # define EV_RELEASE_CB (void)0 |
680 | # define EV_ACQUIRE_CB (void)0 |
801 | # define EV_ACQUIRE_CB (void)0 |
681 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
802 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
682 | #endif |
803 | #endif |
683 | |
804 | |
684 | #define EVUNLOOP_RECURSE 0x80 |
805 | #define EVBREAK_RECURSE 0x80 |
685 | |
806 | |
686 | /*****************************************************************************/ |
807 | /*****************************************************************************/ |
687 | |
808 | |
688 | #ifndef EV_HAVE_EV_TIME |
809 | #ifndef EV_HAVE_EV_TIME |
689 | ev_tstamp |
810 | ev_tstamp |
… | |
… | |
733 | if (delay > 0.) |
854 | if (delay > 0.) |
734 | { |
855 | { |
735 | #if EV_USE_NANOSLEEP |
856 | #if EV_USE_NANOSLEEP |
736 | struct timespec ts; |
857 | struct timespec ts; |
737 | |
858 | |
738 | ts.tv_sec = (time_t)delay; |
859 | EV_TS_SET (ts, delay); |
739 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
740 | |
|
|
741 | nanosleep (&ts, 0); |
860 | nanosleep (&ts, 0); |
742 | #elif defined(_WIN32) |
861 | #elif defined(_WIN32) |
743 | Sleep ((unsigned long)(delay * 1e3)); |
862 | Sleep ((unsigned long)(delay * 1e3)); |
744 | #else |
863 | #else |
745 | struct timeval tv; |
864 | struct timeval tv; |
746 | |
865 | |
747 | tv.tv_sec = (time_t)delay; |
|
|
748 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
749 | |
|
|
750 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
866 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
751 | /* something not guaranteed by newer posix versions, but guaranteed */ |
867 | /* something not guaranteed by newer posix versions, but guaranteed */ |
752 | /* by older ones */ |
868 | /* by older ones */ |
|
|
869 | EV_TV_SET (tv, delay); |
753 | select (0, 0, 0, 0, &tv); |
870 | select (0, 0, 0, 0, &tv); |
754 | #endif |
871 | #endif |
755 | } |
872 | } |
756 | } |
873 | } |
757 | |
874 | |
|
|
875 | inline_speed int |
|
|
876 | ev_timeout_to_ms (ev_tstamp timeout) |
|
|
877 | { |
|
|
878 | int ms = timeout * 1000. + .999999; |
|
|
879 | |
|
|
880 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
|
|
881 | } |
|
|
882 | |
758 | /*****************************************************************************/ |
883 | /*****************************************************************************/ |
759 | |
884 | |
760 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
885 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
761 | |
886 | |
762 | /* find a suitable new size for the given array, */ |
887 | /* find a suitable new size for the given array, */ |
763 | /* hopefully by rounding to a ncie-to-malloc size */ |
888 | /* hopefully by rounding to a nice-to-malloc size */ |
764 | inline_size int |
889 | inline_size int |
765 | array_nextsize (int elem, int cur, int cnt) |
890 | array_nextsize (int elem, int cur, int cnt) |
766 | { |
891 | { |
767 | int ncur = cur + 1; |
892 | int ncur = cur + 1; |
768 | |
893 | |
… | |
… | |
864 | } |
989 | } |
865 | |
990 | |
866 | /*****************************************************************************/ |
991 | /*****************************************************************************/ |
867 | |
992 | |
868 | inline_speed void |
993 | inline_speed void |
869 | fd_event_nc (EV_P_ int fd, int revents) |
994 | fd_event_nocheck (EV_P_ int fd, int revents) |
870 | { |
995 | { |
871 | ANFD *anfd = anfds + fd; |
996 | ANFD *anfd = anfds + fd; |
872 | ev_io *w; |
997 | ev_io *w; |
873 | |
998 | |
874 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
999 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
886 | fd_event (EV_P_ int fd, int revents) |
1011 | fd_event (EV_P_ int fd, int revents) |
887 | { |
1012 | { |
888 | ANFD *anfd = anfds + fd; |
1013 | ANFD *anfd = anfds + fd; |
889 | |
1014 | |
890 | if (expect_true (!anfd->reify)) |
1015 | if (expect_true (!anfd->reify)) |
891 | fd_event_nc (EV_A_ fd, revents); |
1016 | fd_event_nocheck (EV_A_ fd, revents); |
892 | } |
1017 | } |
893 | |
1018 | |
894 | void |
1019 | void |
895 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1020 | ev_feed_fd_event (EV_P_ int fd, int revents) |
896 | { |
1021 | { |
897 | if (fd >= 0 && fd < anfdmax) |
1022 | if (fd >= 0 && fd < anfdmax) |
898 | fd_event_nc (EV_A_ fd, revents); |
1023 | fd_event_nocheck (EV_A_ fd, revents); |
899 | } |
1024 | } |
900 | |
1025 | |
901 | /* make sure the external fd watch events are in-sync */ |
1026 | /* make sure the external fd watch events are in-sync */ |
902 | /* with the kernel/libev internal state */ |
1027 | /* with the kernel/libev internal state */ |
903 | inline_size void |
1028 | inline_size void |
904 | fd_reify (EV_P) |
1029 | fd_reify (EV_P) |
905 | { |
1030 | { |
906 | int i; |
1031 | int i; |
907 | |
1032 | |
|
|
1033 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1034 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1035 | { |
|
|
1036 | int fd = fdchanges [i]; |
|
|
1037 | ANFD *anfd = anfds + fd; |
|
|
1038 | |
|
|
1039 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1040 | { |
|
|
1041 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1042 | |
|
|
1043 | if (handle != anfd->handle) |
|
|
1044 | { |
|
|
1045 | unsigned long arg; |
|
|
1046 | |
|
|
1047 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1048 | |
|
|
1049 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1050 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1051 | anfd->events = 0; |
|
|
1052 | anfd->handle = handle; |
|
|
1053 | } |
|
|
1054 | } |
|
|
1055 | } |
|
|
1056 | #endif |
|
|
1057 | |
908 | for (i = 0; i < fdchangecnt; ++i) |
1058 | for (i = 0; i < fdchangecnt; ++i) |
909 | { |
1059 | { |
910 | int fd = fdchanges [i]; |
1060 | int fd = fdchanges [i]; |
911 | ANFD *anfd = anfds + fd; |
1061 | ANFD *anfd = anfds + fd; |
912 | ev_io *w; |
1062 | ev_io *w; |
913 | |
1063 | |
914 | unsigned char events = 0; |
1064 | unsigned char o_events = anfd->events; |
|
|
1065 | unsigned char o_reify = anfd->reify; |
915 | |
1066 | |
916 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1067 | anfd->reify = 0; |
917 | events |= (unsigned char)w->events; |
|
|
918 | |
1068 | |
919 | #if EV_SELECT_IS_WINSOCKET |
1069 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
920 | if (events) |
|
|
921 | { |
1070 | { |
922 | unsigned long arg; |
1071 | anfd->events = 0; |
923 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1072 | |
924 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1073 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1074 | anfd->events |= (unsigned char)w->events; |
|
|
1075 | |
|
|
1076 | if (o_events != anfd->events) |
|
|
1077 | o_reify = EV__IOFDSET; /* actually |= */ |
925 | } |
1078 | } |
926 | #endif |
|
|
927 | |
1079 | |
928 | { |
1080 | if (o_reify & EV__IOFDSET) |
929 | unsigned char o_events = anfd->events; |
|
|
930 | unsigned char o_reify = anfd->reify; |
|
|
931 | |
|
|
932 | anfd->reify = 0; |
|
|
933 | anfd->events = events; |
|
|
934 | |
|
|
935 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
936 | backend_modify (EV_A_ fd, o_events, events); |
1081 | backend_modify (EV_A_ fd, o_events, anfd->events); |
937 | } |
|
|
938 | } |
1082 | } |
939 | |
1083 | |
940 | fdchangecnt = 0; |
1084 | fdchangecnt = 0; |
941 | } |
1085 | } |
942 | |
1086 | |
… | |
… | |
966 | ev_io_stop (EV_A_ w); |
1110 | ev_io_stop (EV_A_ w); |
967 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1111 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
968 | } |
1112 | } |
969 | } |
1113 | } |
970 | |
1114 | |
971 | /* check whether the given fd is atcually valid, for error recovery */ |
1115 | /* check whether the given fd is actually valid, for error recovery */ |
972 | inline_size int |
1116 | inline_size int |
973 | fd_valid (int fd) |
1117 | fd_valid (int fd) |
974 | { |
1118 | { |
975 | #ifdef _WIN32 |
1119 | #ifdef _WIN32 |
976 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1120 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
… | |
… | |
1018 | anfds [fd].emask = 0; |
1162 | anfds [fd].emask = 0; |
1019 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1163 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1020 | } |
1164 | } |
1021 | } |
1165 | } |
1022 | |
1166 | |
|
|
1167 | /* used to prepare libev internal fd's */ |
|
|
1168 | /* this is not fork-safe */ |
|
|
1169 | inline_speed void |
|
|
1170 | fd_intern (int fd) |
|
|
1171 | { |
|
|
1172 | #ifdef _WIN32 |
|
|
1173 | unsigned long arg = 1; |
|
|
1174 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1175 | #else |
|
|
1176 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1177 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1178 | #endif |
|
|
1179 | } |
|
|
1180 | |
1023 | /*****************************************************************************/ |
1181 | /*****************************************************************************/ |
1024 | |
1182 | |
1025 | /* |
1183 | /* |
1026 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1184 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1027 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1185 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1028 | * the branching factor of the d-tree. |
1186 | * the branching factor of the d-tree. |
1029 | */ |
1187 | */ |
1030 | |
1188 | |
1031 | /* |
1189 | /* |
… | |
… | |
1179 | |
1337 | |
1180 | static ANSIG signals [EV_NSIG - 1]; |
1338 | static ANSIG signals [EV_NSIG - 1]; |
1181 | |
1339 | |
1182 | /*****************************************************************************/ |
1340 | /*****************************************************************************/ |
1183 | |
1341 | |
1184 | /* used to prepare libev internal fd's */ |
1342 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1185 | /* this is not fork-safe */ |
|
|
1186 | inline_speed void |
|
|
1187 | fd_intern (int fd) |
|
|
1188 | { |
|
|
1189 | #ifdef _WIN32 |
|
|
1190 | unsigned long arg = 1; |
|
|
1191 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1192 | #else |
|
|
1193 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1194 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1195 | #endif |
|
|
1196 | } |
|
|
1197 | |
1343 | |
1198 | static void noinline |
1344 | static void noinline |
1199 | evpipe_init (EV_P) |
1345 | evpipe_init (EV_P) |
1200 | { |
1346 | { |
1201 | if (!ev_is_active (&pipe_w)) |
1347 | if (!ev_is_active (&pipe_w)) |
1202 | { |
1348 | { |
1203 | #if EV_USE_EVENTFD |
1349 | # if EV_USE_EVENTFD |
1204 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1350 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1205 | if (evfd < 0 && errno == EINVAL) |
1351 | if (evfd < 0 && errno == EINVAL) |
1206 | evfd = eventfd (0, 0); |
1352 | evfd = eventfd (0, 0); |
1207 | |
1353 | |
1208 | if (evfd >= 0) |
1354 | if (evfd >= 0) |
… | |
… | |
1210 | evpipe [0] = -1; |
1356 | evpipe [0] = -1; |
1211 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1357 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1212 | ev_io_set (&pipe_w, evfd, EV_READ); |
1358 | ev_io_set (&pipe_w, evfd, EV_READ); |
1213 | } |
1359 | } |
1214 | else |
1360 | else |
1215 | #endif |
1361 | # endif |
1216 | { |
1362 | { |
1217 | while (pipe (evpipe)) |
1363 | while (pipe (evpipe)) |
1218 | ev_syserr ("(libev) error creating signal/async pipe"); |
1364 | ev_syserr ("(libev) error creating signal/async pipe"); |
1219 | |
1365 | |
1220 | fd_intern (evpipe [0]); |
1366 | fd_intern (evpipe [0]); |
… | |
… | |
1231 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1377 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1232 | { |
1378 | { |
1233 | if (!*flag) |
1379 | if (!*flag) |
1234 | { |
1380 | { |
1235 | int old_errno = errno; /* save errno because write might clobber it */ |
1381 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1382 | char dummy; |
1236 | |
1383 | |
1237 | *flag = 1; |
1384 | *flag = 1; |
1238 | |
1385 | |
1239 | #if EV_USE_EVENTFD |
1386 | #if EV_USE_EVENTFD |
1240 | if (evfd >= 0) |
1387 | if (evfd >= 0) |
… | |
… | |
1242 | uint64_t counter = 1; |
1389 | uint64_t counter = 1; |
1243 | write (evfd, &counter, sizeof (uint64_t)); |
1390 | write (evfd, &counter, sizeof (uint64_t)); |
1244 | } |
1391 | } |
1245 | else |
1392 | else |
1246 | #endif |
1393 | #endif |
|
|
1394 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1395 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1396 | /* so when you think this write should be a send instead, please find out */ |
|
|
1397 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1398 | /* tell me. thank you. */ |
1247 | write (evpipe [1], &old_errno, 1); |
1399 | write (evpipe [1], &dummy, 1); |
1248 | |
1400 | |
1249 | errno = old_errno; |
1401 | errno = old_errno; |
1250 | } |
1402 | } |
1251 | } |
1403 | } |
1252 | |
1404 | |
… | |
… | |
1265 | } |
1417 | } |
1266 | else |
1418 | else |
1267 | #endif |
1419 | #endif |
1268 | { |
1420 | { |
1269 | char dummy; |
1421 | char dummy; |
|
|
1422 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1270 | read (evpipe [0], &dummy, 1); |
1423 | read (evpipe [0], &dummy, 1); |
1271 | } |
1424 | } |
1272 | |
1425 | |
|
|
1426 | #if EV_SIGNAL_ENABLE |
1273 | if (sig_pending) |
1427 | if (sig_pending) |
1274 | { |
1428 | { |
1275 | sig_pending = 0; |
1429 | sig_pending = 0; |
1276 | |
1430 | |
1277 | for (i = EV_NSIG - 1; i--; ) |
1431 | for (i = EV_NSIG - 1; i--; ) |
1278 | if (expect_false (signals [i].pending)) |
1432 | if (expect_false (signals [i].pending)) |
1279 | ev_feed_signal_event (EV_A_ i + 1); |
1433 | ev_feed_signal_event (EV_A_ i + 1); |
1280 | } |
1434 | } |
|
|
1435 | #endif |
1281 | |
1436 | |
1282 | #if EV_ASYNC_ENABLE |
1437 | #if EV_ASYNC_ENABLE |
1283 | if (async_pending) |
1438 | if (async_pending) |
1284 | { |
1439 | { |
1285 | async_pending = 0; |
1440 | async_pending = 0; |
… | |
… | |
1294 | #endif |
1449 | #endif |
1295 | } |
1450 | } |
1296 | |
1451 | |
1297 | /*****************************************************************************/ |
1452 | /*****************************************************************************/ |
1298 | |
1453 | |
|
|
1454 | void |
|
|
1455 | ev_feed_signal (int signum) |
|
|
1456 | { |
|
|
1457 | #if EV_MULTIPLICITY |
|
|
1458 | EV_P = signals [signum - 1].loop; |
|
|
1459 | |
|
|
1460 | if (!EV_A) |
|
|
1461 | return; |
|
|
1462 | #endif |
|
|
1463 | |
|
|
1464 | signals [signum - 1].pending = 1; |
|
|
1465 | evpipe_write (EV_A_ &sig_pending); |
|
|
1466 | } |
|
|
1467 | |
1299 | static void |
1468 | static void |
1300 | ev_sighandler (int signum) |
1469 | ev_sighandler (int signum) |
1301 | { |
1470 | { |
1302 | #if EV_MULTIPLICITY |
|
|
1303 | EV_P = signals [signum - 1].loop; |
|
|
1304 | #endif |
|
|
1305 | |
|
|
1306 | #ifdef _WIN32 |
1471 | #ifdef _WIN32 |
1307 | signal (signum, ev_sighandler); |
1472 | signal (signum, ev_sighandler); |
1308 | #endif |
1473 | #endif |
1309 | |
1474 | |
1310 | signals [signum - 1].pending = 1; |
1475 | ev_feed_signal (signum); |
1311 | evpipe_write (EV_A_ &sig_pending); |
|
|
1312 | } |
1476 | } |
1313 | |
1477 | |
1314 | void noinline |
1478 | void noinline |
1315 | ev_feed_signal_event (EV_P_ int signum) |
1479 | ev_feed_signal_event (EV_P_ int signum) |
1316 | { |
1480 | { |
… | |
… | |
1353 | break; |
1517 | break; |
1354 | } |
1518 | } |
1355 | } |
1519 | } |
1356 | #endif |
1520 | #endif |
1357 | |
1521 | |
|
|
1522 | #endif |
|
|
1523 | |
1358 | /*****************************************************************************/ |
1524 | /*****************************************************************************/ |
1359 | |
1525 | |
|
|
1526 | #if EV_CHILD_ENABLE |
1360 | static WL childs [EV_PID_HASHSIZE]; |
1527 | static WL childs [EV_PID_HASHSIZE]; |
1361 | |
|
|
1362 | #ifndef _WIN32 |
|
|
1363 | |
1528 | |
1364 | static ev_signal childev; |
1529 | static ev_signal childev; |
1365 | |
1530 | |
1366 | #ifndef WIFCONTINUED |
1531 | #ifndef WIFCONTINUED |
1367 | # define WIFCONTINUED(status) 0 |
1532 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1372 | child_reap (EV_P_ int chain, int pid, int status) |
1537 | child_reap (EV_P_ int chain, int pid, int status) |
1373 | { |
1538 | { |
1374 | ev_child *w; |
1539 | ev_child *w; |
1375 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1540 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1376 | |
1541 | |
1377 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1542 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1378 | { |
1543 | { |
1379 | if ((w->pid == pid || !w->pid) |
1544 | if ((w->pid == pid || !w->pid) |
1380 | && (!traced || (w->flags & 1))) |
1545 | && (!traced || (w->flags & 1))) |
1381 | { |
1546 | { |
1382 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1547 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1407 | /* make sure we are called again until all children have been reaped */ |
1572 | /* make sure we are called again until all children have been reaped */ |
1408 | /* we need to do it this way so that the callback gets called before we continue */ |
1573 | /* we need to do it this way so that the callback gets called before we continue */ |
1409 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1574 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1410 | |
1575 | |
1411 | child_reap (EV_A_ pid, pid, status); |
1576 | child_reap (EV_A_ pid, pid, status); |
1412 | if (EV_PID_HASHSIZE > 1) |
1577 | if ((EV_PID_HASHSIZE) > 1) |
1413 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1578 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1414 | } |
1579 | } |
1415 | |
1580 | |
1416 | #endif |
1581 | #endif |
1417 | |
1582 | |
1418 | /*****************************************************************************/ |
1583 | /*****************************************************************************/ |
1419 | |
1584 | |
|
|
1585 | #if EV_USE_IOCP |
|
|
1586 | # include "ev_iocp.c" |
|
|
1587 | #endif |
1420 | #if EV_USE_PORT |
1588 | #if EV_USE_PORT |
1421 | # include "ev_port.c" |
1589 | # include "ev_port.c" |
1422 | #endif |
1590 | #endif |
1423 | #if EV_USE_KQUEUE |
1591 | #if EV_USE_KQUEUE |
1424 | # include "ev_kqueue.c" |
1592 | # include "ev_kqueue.c" |
… | |
… | |
1484 | #ifdef __APPLE__ |
1652 | #ifdef __APPLE__ |
1485 | /* only select works correctly on that "unix-certified" platform */ |
1653 | /* only select works correctly on that "unix-certified" platform */ |
1486 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1654 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1487 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1655 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1488 | #endif |
1656 | #endif |
|
|
1657 | #ifdef __FreeBSD__ |
|
|
1658 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1659 | #endif |
1489 | |
1660 | |
1490 | return flags; |
1661 | return flags; |
1491 | } |
1662 | } |
1492 | |
1663 | |
1493 | unsigned int |
1664 | unsigned int |
1494 | ev_embeddable_backends (void) |
1665 | ev_embeddable_backends (void) |
1495 | { |
1666 | { |
1496 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1667 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1497 | |
1668 | |
1498 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1669 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1499 | /* please fix it and tell me how to detect the fix */ |
1670 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1500 | flags &= ~EVBACKEND_EPOLL; |
1671 | flags &= ~EVBACKEND_EPOLL; |
1501 | |
1672 | |
1502 | return flags; |
1673 | return flags; |
1503 | } |
1674 | } |
1504 | |
1675 | |
1505 | unsigned int |
1676 | unsigned int |
1506 | ev_backend (EV_P) |
1677 | ev_backend (EV_P) |
1507 | { |
1678 | { |
1508 | return backend; |
1679 | return backend; |
1509 | } |
1680 | } |
1510 | |
1681 | |
1511 | #if EV_MINIMAL < 2 |
1682 | #if EV_FEATURE_API |
1512 | unsigned int |
1683 | unsigned int |
1513 | ev_loop_count (EV_P) |
1684 | ev_iteration (EV_P) |
1514 | { |
1685 | { |
1515 | return loop_count; |
1686 | return loop_count; |
1516 | } |
1687 | } |
1517 | |
1688 | |
1518 | unsigned int |
1689 | unsigned int |
1519 | ev_loop_depth (EV_P) |
1690 | ev_depth (EV_P) |
1520 | { |
1691 | { |
1521 | return loop_depth; |
1692 | return loop_depth; |
1522 | } |
1693 | } |
1523 | |
1694 | |
1524 | void |
1695 | void |
… | |
… | |
1561 | static void noinline |
1732 | static void noinline |
1562 | loop_init (EV_P_ unsigned int flags) |
1733 | loop_init (EV_P_ unsigned int flags) |
1563 | { |
1734 | { |
1564 | if (!backend) |
1735 | if (!backend) |
1565 | { |
1736 | { |
|
|
1737 | origflags = flags; |
|
|
1738 | |
1566 | #if EV_USE_REALTIME |
1739 | #if EV_USE_REALTIME |
1567 | if (!have_realtime) |
1740 | if (!have_realtime) |
1568 | { |
1741 | { |
1569 | struct timespec ts; |
1742 | struct timespec ts; |
1570 | |
1743 | |
… | |
… | |
1596 | |
1769 | |
1597 | ev_rt_now = ev_time (); |
1770 | ev_rt_now = ev_time (); |
1598 | mn_now = get_clock (); |
1771 | mn_now = get_clock (); |
1599 | now_floor = mn_now; |
1772 | now_floor = mn_now; |
1600 | rtmn_diff = ev_rt_now - mn_now; |
1773 | rtmn_diff = ev_rt_now - mn_now; |
1601 | #if EV_MINIMAL < 2 |
1774 | #if EV_FEATURE_API |
1602 | invoke_cb = ev_invoke_pending; |
1775 | invoke_cb = ev_invoke_pending; |
1603 | #endif |
1776 | #endif |
1604 | |
1777 | |
1605 | io_blocktime = 0.; |
1778 | io_blocktime = 0.; |
1606 | timeout_blocktime = 0.; |
1779 | timeout_blocktime = 0.; |
… | |
… | |
1615 | #endif |
1788 | #endif |
1616 | #if EV_USE_SIGNALFD |
1789 | #if EV_USE_SIGNALFD |
1617 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1790 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1618 | #endif |
1791 | #endif |
1619 | |
1792 | |
1620 | if (!(flags & 0x0000ffffU)) |
1793 | if (!(flags & EVBACKEND_MASK)) |
1621 | flags |= ev_recommended_backends (); |
1794 | flags |= ev_recommended_backends (); |
1622 | |
1795 | |
|
|
1796 | #if EV_USE_IOCP |
|
|
1797 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1798 | #endif |
1623 | #if EV_USE_PORT |
1799 | #if EV_USE_PORT |
1624 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1800 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1625 | #endif |
1801 | #endif |
1626 | #if EV_USE_KQUEUE |
1802 | #if EV_USE_KQUEUE |
1627 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1803 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1636 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1812 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1637 | #endif |
1813 | #endif |
1638 | |
1814 | |
1639 | ev_prepare_init (&pending_w, pendingcb); |
1815 | ev_prepare_init (&pending_w, pendingcb); |
1640 | |
1816 | |
|
|
1817 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1641 | ev_init (&pipe_w, pipecb); |
1818 | ev_init (&pipe_w, pipecb); |
1642 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1819 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1820 | #endif |
1643 | } |
1821 | } |
1644 | } |
1822 | } |
1645 | |
1823 | |
1646 | /* free up a loop structure */ |
1824 | /* free up a loop structure */ |
1647 | static void noinline |
1825 | void |
1648 | loop_destroy (EV_P) |
1826 | ev_loop_destroy (EV_P) |
1649 | { |
1827 | { |
1650 | int i; |
1828 | int i; |
|
|
1829 | |
|
|
1830 | #if EV_MULTIPLICITY |
|
|
1831 | /* mimic free (0) */ |
|
|
1832 | if (!EV_A) |
|
|
1833 | return; |
|
|
1834 | #endif |
|
|
1835 | |
|
|
1836 | #if EV_CLEANUP_ENABLE |
|
|
1837 | /* queue cleanup watchers (and execute them) */ |
|
|
1838 | if (expect_false (cleanupcnt)) |
|
|
1839 | { |
|
|
1840 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1841 | EV_INVOKE_PENDING; |
|
|
1842 | } |
|
|
1843 | #endif |
|
|
1844 | |
|
|
1845 | #if EV_CHILD_ENABLE |
|
|
1846 | if (ev_is_active (&childev)) |
|
|
1847 | { |
|
|
1848 | ev_ref (EV_A); /* child watcher */ |
|
|
1849 | ev_signal_stop (EV_A_ &childev); |
|
|
1850 | } |
|
|
1851 | #endif |
1651 | |
1852 | |
1652 | if (ev_is_active (&pipe_w)) |
1853 | if (ev_is_active (&pipe_w)) |
1653 | { |
1854 | { |
1654 | /*ev_ref (EV_A);*/ |
1855 | /*ev_ref (EV_A);*/ |
1655 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1856 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1677 | #endif |
1878 | #endif |
1678 | |
1879 | |
1679 | if (backend_fd >= 0) |
1880 | if (backend_fd >= 0) |
1680 | close (backend_fd); |
1881 | close (backend_fd); |
1681 | |
1882 | |
|
|
1883 | #if EV_USE_IOCP |
|
|
1884 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1885 | #endif |
1682 | #if EV_USE_PORT |
1886 | #if EV_USE_PORT |
1683 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1887 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1684 | #endif |
1888 | #endif |
1685 | #if EV_USE_KQUEUE |
1889 | #if EV_USE_KQUEUE |
1686 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1890 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1713 | array_free (periodic, EMPTY); |
1917 | array_free (periodic, EMPTY); |
1714 | #endif |
1918 | #endif |
1715 | #if EV_FORK_ENABLE |
1919 | #if EV_FORK_ENABLE |
1716 | array_free (fork, EMPTY); |
1920 | array_free (fork, EMPTY); |
1717 | #endif |
1921 | #endif |
|
|
1922 | #if EV_CLEANUP_ENABLE |
|
|
1923 | array_free (cleanup, EMPTY); |
|
|
1924 | #endif |
1718 | array_free (prepare, EMPTY); |
1925 | array_free (prepare, EMPTY); |
1719 | array_free (check, EMPTY); |
1926 | array_free (check, EMPTY); |
1720 | #if EV_ASYNC_ENABLE |
1927 | #if EV_ASYNC_ENABLE |
1721 | array_free (async, EMPTY); |
1928 | array_free (async, EMPTY); |
1722 | #endif |
1929 | #endif |
1723 | |
1930 | |
1724 | backend = 0; |
1931 | backend = 0; |
|
|
1932 | |
|
|
1933 | #if EV_MULTIPLICITY |
|
|
1934 | if (ev_is_default_loop (EV_A)) |
|
|
1935 | #endif |
|
|
1936 | ev_default_loop_ptr = 0; |
|
|
1937 | #if EV_MULTIPLICITY |
|
|
1938 | else |
|
|
1939 | ev_free (EV_A); |
|
|
1940 | #endif |
1725 | } |
1941 | } |
1726 | |
1942 | |
1727 | #if EV_USE_INOTIFY |
1943 | #if EV_USE_INOTIFY |
1728 | inline_size void infy_fork (EV_P); |
1944 | inline_size void infy_fork (EV_P); |
1729 | #endif |
1945 | #endif |
… | |
… | |
1765 | { |
1981 | { |
1766 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1982 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1767 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1983 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1768 | } |
1984 | } |
1769 | |
1985 | |
|
|
1986 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1770 | evpipe_init (EV_A); |
1987 | evpipe_init (EV_A); |
1771 | /* now iterate over everything, in case we missed something */ |
1988 | /* now iterate over everything, in case we missed something */ |
1772 | pipecb (EV_A_ &pipe_w, EV_READ); |
1989 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1990 | #endif |
1773 | } |
1991 | } |
1774 | |
1992 | |
1775 | postfork = 0; |
1993 | postfork = 0; |
1776 | } |
1994 | } |
1777 | |
1995 | |
… | |
… | |
1786 | loop_init (EV_A_ flags); |
2004 | loop_init (EV_A_ flags); |
1787 | |
2005 | |
1788 | if (ev_backend (EV_A)) |
2006 | if (ev_backend (EV_A)) |
1789 | return EV_A; |
2007 | return EV_A; |
1790 | |
2008 | |
|
|
2009 | ev_free (EV_A); |
1791 | return 0; |
2010 | return 0; |
1792 | } |
2011 | } |
1793 | |
2012 | |
1794 | void |
|
|
1795 | ev_loop_destroy (EV_P) |
|
|
1796 | { |
|
|
1797 | loop_destroy (EV_A); |
|
|
1798 | ev_free (loop); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | void |
|
|
1802 | ev_loop_fork (EV_P) |
|
|
1803 | { |
|
|
1804 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1805 | } |
|
|
1806 | #endif /* multiplicity */ |
2013 | #endif /* multiplicity */ |
1807 | |
2014 | |
1808 | #if EV_VERIFY |
2015 | #if EV_VERIFY |
1809 | static void noinline |
2016 | static void noinline |
1810 | verify_watcher (EV_P_ W w) |
2017 | verify_watcher (EV_P_ W w) |
… | |
… | |
1839 | verify_watcher (EV_A_ ws [cnt]); |
2046 | verify_watcher (EV_A_ ws [cnt]); |
1840 | } |
2047 | } |
1841 | } |
2048 | } |
1842 | #endif |
2049 | #endif |
1843 | |
2050 | |
1844 | #if EV_MINIMAL < 2 |
2051 | #if EV_FEATURE_API |
1845 | void |
2052 | void |
1846 | ev_loop_verify (EV_P) |
2053 | ev_verify (EV_P) |
1847 | { |
2054 | { |
1848 | #if EV_VERIFY |
2055 | #if EV_VERIFY |
1849 | int i; |
2056 | int i; |
1850 | WL w; |
2057 | WL w; |
1851 | |
2058 | |
… | |
… | |
1885 | #if EV_FORK_ENABLE |
2092 | #if EV_FORK_ENABLE |
1886 | assert (forkmax >= forkcnt); |
2093 | assert (forkmax >= forkcnt); |
1887 | array_verify (EV_A_ (W *)forks, forkcnt); |
2094 | array_verify (EV_A_ (W *)forks, forkcnt); |
1888 | #endif |
2095 | #endif |
1889 | |
2096 | |
|
|
2097 | #if EV_CLEANUP_ENABLE |
|
|
2098 | assert (cleanupmax >= cleanupcnt); |
|
|
2099 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2100 | #endif |
|
|
2101 | |
1890 | #if EV_ASYNC_ENABLE |
2102 | #if EV_ASYNC_ENABLE |
1891 | assert (asyncmax >= asynccnt); |
2103 | assert (asyncmax >= asynccnt); |
1892 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2104 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1893 | #endif |
2105 | #endif |
1894 | |
2106 | |
|
|
2107 | #if EV_PREPARE_ENABLE |
1895 | assert (preparemax >= preparecnt); |
2108 | assert (preparemax >= preparecnt); |
1896 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2109 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2110 | #endif |
1897 | |
2111 | |
|
|
2112 | #if EV_CHECK_ENABLE |
1898 | assert (checkmax >= checkcnt); |
2113 | assert (checkmax >= checkcnt); |
1899 | array_verify (EV_A_ (W *)checks, checkcnt); |
2114 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2115 | #endif |
1900 | |
2116 | |
1901 | # if 0 |
2117 | # if 0 |
|
|
2118 | #if EV_CHILD_ENABLE |
1902 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2119 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1903 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2120 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2121 | #endif |
1904 | # endif |
2122 | # endif |
1905 | #endif |
2123 | #endif |
1906 | } |
2124 | } |
1907 | #endif |
2125 | #endif |
1908 | |
2126 | |
1909 | #if EV_MULTIPLICITY |
2127 | #if EV_MULTIPLICITY |
1910 | struct ev_loop * |
2128 | struct ev_loop * |
1911 | ev_default_loop_init (unsigned int flags) |
|
|
1912 | #else |
2129 | #else |
1913 | int |
2130 | int |
|
|
2131 | #endif |
1914 | ev_default_loop (unsigned int flags) |
2132 | ev_default_loop (unsigned int flags) |
1915 | #endif |
|
|
1916 | { |
2133 | { |
1917 | if (!ev_default_loop_ptr) |
2134 | if (!ev_default_loop_ptr) |
1918 | { |
2135 | { |
1919 | #if EV_MULTIPLICITY |
2136 | #if EV_MULTIPLICITY |
1920 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2137 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1924 | |
2141 | |
1925 | loop_init (EV_A_ flags); |
2142 | loop_init (EV_A_ flags); |
1926 | |
2143 | |
1927 | if (ev_backend (EV_A)) |
2144 | if (ev_backend (EV_A)) |
1928 | { |
2145 | { |
1929 | #ifndef _WIN32 |
2146 | #if EV_CHILD_ENABLE |
1930 | ev_signal_init (&childev, childcb, SIGCHLD); |
2147 | ev_signal_init (&childev, childcb, SIGCHLD); |
1931 | ev_set_priority (&childev, EV_MAXPRI); |
2148 | ev_set_priority (&childev, EV_MAXPRI); |
1932 | ev_signal_start (EV_A_ &childev); |
2149 | ev_signal_start (EV_A_ &childev); |
1933 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2150 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1934 | #endif |
2151 | #endif |
… | |
… | |
1939 | |
2156 | |
1940 | return ev_default_loop_ptr; |
2157 | return ev_default_loop_ptr; |
1941 | } |
2158 | } |
1942 | |
2159 | |
1943 | void |
2160 | void |
1944 | ev_default_destroy (void) |
2161 | ev_loop_fork (EV_P) |
1945 | { |
2162 | { |
1946 | #if EV_MULTIPLICITY |
|
|
1947 | EV_P = ev_default_loop_ptr; |
|
|
1948 | #endif |
|
|
1949 | |
|
|
1950 | ev_default_loop_ptr = 0; |
|
|
1951 | |
|
|
1952 | #ifndef _WIN32 |
|
|
1953 | ev_ref (EV_A); /* child watcher */ |
|
|
1954 | ev_signal_stop (EV_A_ &childev); |
|
|
1955 | #endif |
|
|
1956 | |
|
|
1957 | loop_destroy (EV_A); |
|
|
1958 | } |
|
|
1959 | |
|
|
1960 | void |
|
|
1961 | ev_default_fork (void) |
|
|
1962 | { |
|
|
1963 | #if EV_MULTIPLICITY |
|
|
1964 | EV_P = ev_default_loop_ptr; |
|
|
1965 | #endif |
|
|
1966 | |
|
|
1967 | postfork = 1; /* must be in line with ev_loop_fork */ |
2163 | postfork = 1; /* must be in line with ev_default_fork */ |
1968 | } |
2164 | } |
1969 | |
2165 | |
1970 | /*****************************************************************************/ |
2166 | /*****************************************************************************/ |
1971 | |
2167 | |
1972 | void |
2168 | void |
… | |
… | |
1994 | |
2190 | |
1995 | for (pri = NUMPRI; pri--; ) |
2191 | for (pri = NUMPRI; pri--; ) |
1996 | while (pendingcnt [pri]) |
2192 | while (pendingcnt [pri]) |
1997 | { |
2193 | { |
1998 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2194 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1999 | |
|
|
2000 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2001 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2002 | |
2195 | |
2003 | p->w->pending = 0; |
2196 | p->w->pending = 0; |
2004 | EV_CB_INVOKE (p->w, p->events); |
2197 | EV_CB_INVOKE (p->w, p->events); |
2005 | EV_FREQUENT_CHECK; |
2198 | EV_FREQUENT_CHECK; |
2006 | } |
2199 | } |
… | |
… | |
2063 | EV_FREQUENT_CHECK; |
2256 | EV_FREQUENT_CHECK; |
2064 | feed_reverse (EV_A_ (W)w); |
2257 | feed_reverse (EV_A_ (W)w); |
2065 | } |
2258 | } |
2066 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2259 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2067 | |
2260 | |
2068 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2261 | feed_reverse_done (EV_A_ EV_TIMER); |
2069 | } |
2262 | } |
2070 | } |
2263 | } |
2071 | |
2264 | |
2072 | #if EV_PERIODIC_ENABLE |
2265 | #if EV_PERIODIC_ENABLE |
|
|
2266 | |
|
|
2267 | static void noinline |
|
|
2268 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2269 | { |
|
|
2270 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2271 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2272 | |
|
|
2273 | /* the above almost always errs on the low side */ |
|
|
2274 | while (at <= ev_rt_now) |
|
|
2275 | { |
|
|
2276 | ev_tstamp nat = at + w->interval; |
|
|
2277 | |
|
|
2278 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2279 | if (expect_false (nat == at)) |
|
|
2280 | { |
|
|
2281 | at = ev_rt_now; |
|
|
2282 | break; |
|
|
2283 | } |
|
|
2284 | |
|
|
2285 | at = nat; |
|
|
2286 | } |
|
|
2287 | |
|
|
2288 | ev_at (w) = at; |
|
|
2289 | } |
|
|
2290 | |
2073 | /* make periodics pending */ |
2291 | /* make periodics pending */ |
2074 | inline_size void |
2292 | inline_size void |
2075 | periodics_reify (EV_P) |
2293 | periodics_reify (EV_P) |
2076 | { |
2294 | { |
2077 | EV_FREQUENT_CHECK; |
2295 | EV_FREQUENT_CHECK; |
… | |
… | |
2096 | ANHE_at_cache (periodics [HEAP0]); |
2314 | ANHE_at_cache (periodics [HEAP0]); |
2097 | downheap (periodics, periodiccnt, HEAP0); |
2315 | downheap (periodics, periodiccnt, HEAP0); |
2098 | } |
2316 | } |
2099 | else if (w->interval) |
2317 | else if (w->interval) |
2100 | { |
2318 | { |
2101 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2319 | periodic_recalc (EV_A_ w); |
2102 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2103 | /* this might happen because of floating point inexactness */ |
|
|
2104 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2105 | { |
|
|
2106 | ev_at (w) += w->interval; |
|
|
2107 | |
|
|
2108 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2109 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2110 | /* has effectively asked to get triggered more often than possible */ |
|
|
2111 | if (ev_at (w) < ev_rt_now) |
|
|
2112 | ev_at (w) = ev_rt_now; |
|
|
2113 | } |
|
|
2114 | |
|
|
2115 | ANHE_at_cache (periodics [HEAP0]); |
2320 | ANHE_at_cache (periodics [HEAP0]); |
2116 | downheap (periodics, periodiccnt, HEAP0); |
2321 | downheap (periodics, periodiccnt, HEAP0); |
2117 | } |
2322 | } |
2118 | else |
2323 | else |
2119 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2324 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2126 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2331 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2127 | } |
2332 | } |
2128 | } |
2333 | } |
2129 | |
2334 | |
2130 | /* simply recalculate all periodics */ |
2335 | /* simply recalculate all periodics */ |
2131 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2336 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2132 | static void noinline |
2337 | static void noinline |
2133 | periodics_reschedule (EV_P) |
2338 | periodics_reschedule (EV_P) |
2134 | { |
2339 | { |
2135 | int i; |
2340 | int i; |
2136 | |
2341 | |
… | |
… | |
2140 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2345 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2141 | |
2346 | |
2142 | if (w->reschedule_cb) |
2347 | if (w->reschedule_cb) |
2143 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2348 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2144 | else if (w->interval) |
2349 | else if (w->interval) |
2145 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2350 | periodic_recalc (EV_A_ w); |
2146 | |
2351 | |
2147 | ANHE_at_cache (periodics [i]); |
2352 | ANHE_at_cache (periodics [i]); |
2148 | } |
2353 | } |
2149 | |
2354 | |
2150 | reheap (periodics, periodiccnt); |
2355 | reheap (periodics, periodiccnt); |
… | |
… | |
2197 | * doesn't hurt either as we only do this on time-jumps or |
2402 | * doesn't hurt either as we only do this on time-jumps or |
2198 | * in the unlikely event of having been preempted here. |
2403 | * in the unlikely event of having been preempted here. |
2199 | */ |
2404 | */ |
2200 | for (i = 4; --i; ) |
2405 | for (i = 4; --i; ) |
2201 | { |
2406 | { |
|
|
2407 | ev_tstamp diff; |
2202 | rtmn_diff = ev_rt_now - mn_now; |
2408 | rtmn_diff = ev_rt_now - mn_now; |
2203 | |
2409 | |
|
|
2410 | diff = odiff - rtmn_diff; |
|
|
2411 | |
2204 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2412 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2205 | return; /* all is well */ |
2413 | return; /* all is well */ |
2206 | |
2414 | |
2207 | ev_rt_now = ev_time (); |
2415 | ev_rt_now = ev_time (); |
2208 | mn_now = get_clock (); |
2416 | mn_now = get_clock (); |
2209 | now_floor = mn_now; |
2417 | now_floor = mn_now; |
… | |
… | |
2232 | mn_now = ev_rt_now; |
2440 | mn_now = ev_rt_now; |
2233 | } |
2441 | } |
2234 | } |
2442 | } |
2235 | |
2443 | |
2236 | void |
2444 | void |
2237 | ev_loop (EV_P_ int flags) |
2445 | ev_run (EV_P_ int flags) |
2238 | { |
2446 | { |
2239 | #if EV_MINIMAL < 2 |
2447 | #if EV_FEATURE_API |
2240 | ++loop_depth; |
2448 | ++loop_depth; |
2241 | #endif |
2449 | #endif |
2242 | |
2450 | |
2243 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2451 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2244 | |
2452 | |
2245 | loop_done = EVUNLOOP_CANCEL; |
2453 | loop_done = EVBREAK_CANCEL; |
2246 | |
2454 | |
2247 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2455 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2248 | |
2456 | |
2249 | do |
2457 | do |
2250 | { |
2458 | { |
2251 | #if EV_VERIFY >= 2 |
2459 | #if EV_VERIFY >= 2 |
2252 | ev_loop_verify (EV_A); |
2460 | ev_verify (EV_A); |
2253 | #endif |
2461 | #endif |
2254 | |
2462 | |
2255 | #ifndef _WIN32 |
2463 | #ifndef _WIN32 |
2256 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2464 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2257 | if (expect_false (getpid () != curpid)) |
2465 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2269 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2477 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2270 | EV_INVOKE_PENDING; |
2478 | EV_INVOKE_PENDING; |
2271 | } |
2479 | } |
2272 | #endif |
2480 | #endif |
2273 | |
2481 | |
|
|
2482 | #if EV_PREPARE_ENABLE |
2274 | /* queue prepare watchers (and execute them) */ |
2483 | /* queue prepare watchers (and execute them) */ |
2275 | if (expect_false (preparecnt)) |
2484 | if (expect_false (preparecnt)) |
2276 | { |
2485 | { |
2277 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2486 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2278 | EV_INVOKE_PENDING; |
2487 | EV_INVOKE_PENDING; |
2279 | } |
2488 | } |
|
|
2489 | #endif |
2280 | |
2490 | |
2281 | if (expect_false (loop_done)) |
2491 | if (expect_false (loop_done)) |
2282 | break; |
2492 | break; |
2283 | |
2493 | |
2284 | /* we might have forked, so reify kernel state if necessary */ |
2494 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2291 | /* calculate blocking time */ |
2501 | /* calculate blocking time */ |
2292 | { |
2502 | { |
2293 | ev_tstamp waittime = 0.; |
2503 | ev_tstamp waittime = 0.; |
2294 | ev_tstamp sleeptime = 0.; |
2504 | ev_tstamp sleeptime = 0.; |
2295 | |
2505 | |
|
|
2506 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2507 | ev_tstamp prev_mn_now = mn_now; |
|
|
2508 | |
|
|
2509 | /* update time to cancel out callback processing overhead */ |
|
|
2510 | time_update (EV_A_ 1e100); |
|
|
2511 | |
2296 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2512 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2297 | { |
2513 | { |
2298 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2299 | ev_tstamp prev_mn_now = mn_now; |
|
|
2300 | |
|
|
2301 | /* update time to cancel out callback processing overhead */ |
|
|
2302 | time_update (EV_A_ 1e100); |
|
|
2303 | |
|
|
2304 | waittime = MAX_BLOCKTIME; |
2514 | waittime = MAX_BLOCKTIME; |
2305 | |
2515 | |
2306 | if (timercnt) |
2516 | if (timercnt) |
2307 | { |
2517 | { |
2308 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2518 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2335 | waittime -= sleeptime; |
2545 | waittime -= sleeptime; |
2336 | } |
2546 | } |
2337 | } |
2547 | } |
2338 | } |
2548 | } |
2339 | |
2549 | |
2340 | #if EV_MINIMAL < 2 |
2550 | #if EV_FEATURE_API |
2341 | ++loop_count; |
2551 | ++loop_count; |
2342 | #endif |
2552 | #endif |
2343 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2553 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2344 | backend_poll (EV_A_ waittime); |
2554 | backend_poll (EV_A_ waittime); |
2345 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2555 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2346 | |
2556 | |
2347 | /* update ev_rt_now, do magic */ |
2557 | /* update ev_rt_now, do magic */ |
2348 | time_update (EV_A_ waittime + sleeptime); |
2558 | time_update (EV_A_ waittime + sleeptime); |
2349 | } |
2559 | } |
2350 | |
2560 | |
… | |
… | |
2357 | #if EV_IDLE_ENABLE |
2567 | #if EV_IDLE_ENABLE |
2358 | /* queue idle watchers unless other events are pending */ |
2568 | /* queue idle watchers unless other events are pending */ |
2359 | idle_reify (EV_A); |
2569 | idle_reify (EV_A); |
2360 | #endif |
2570 | #endif |
2361 | |
2571 | |
|
|
2572 | #if EV_CHECK_ENABLE |
2362 | /* queue check watchers, to be executed first */ |
2573 | /* queue check watchers, to be executed first */ |
2363 | if (expect_false (checkcnt)) |
2574 | if (expect_false (checkcnt)) |
2364 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2575 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2576 | #endif |
2365 | |
2577 | |
2366 | EV_INVOKE_PENDING; |
2578 | EV_INVOKE_PENDING; |
2367 | } |
2579 | } |
2368 | while (expect_true ( |
2580 | while (expect_true ( |
2369 | activecnt |
2581 | activecnt |
2370 | && !loop_done |
2582 | && !loop_done |
2371 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2583 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2372 | )); |
2584 | )); |
2373 | |
2585 | |
2374 | if (loop_done == EVUNLOOP_ONE) |
2586 | if (loop_done == EVBREAK_ONE) |
2375 | loop_done = EVUNLOOP_CANCEL; |
2587 | loop_done = EVBREAK_CANCEL; |
2376 | |
2588 | |
2377 | #if EV_MINIMAL < 2 |
2589 | #if EV_FEATURE_API |
2378 | --loop_depth; |
2590 | --loop_depth; |
2379 | #endif |
2591 | #endif |
2380 | } |
2592 | } |
2381 | |
2593 | |
2382 | void |
2594 | void |
2383 | ev_unloop (EV_P_ int how) |
2595 | ev_break (EV_P_ int how) |
2384 | { |
2596 | { |
2385 | loop_done = how; |
2597 | loop_done = how; |
2386 | } |
2598 | } |
2387 | |
2599 | |
2388 | void |
2600 | void |
… | |
… | |
2536 | EV_FREQUENT_CHECK; |
2748 | EV_FREQUENT_CHECK; |
2537 | |
2749 | |
2538 | wlist_del (&anfds[w->fd].head, (WL)w); |
2750 | wlist_del (&anfds[w->fd].head, (WL)w); |
2539 | ev_stop (EV_A_ (W)w); |
2751 | ev_stop (EV_A_ (W)w); |
2540 | |
2752 | |
2541 | fd_change (EV_A_ w->fd, 1); |
2753 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2542 | |
2754 | |
2543 | EV_FREQUENT_CHECK; |
2755 | EV_FREQUENT_CHECK; |
2544 | } |
2756 | } |
2545 | |
2757 | |
2546 | void noinline |
2758 | void noinline |
… | |
… | |
2588 | timers [active] = timers [timercnt + HEAP0]; |
2800 | timers [active] = timers [timercnt + HEAP0]; |
2589 | adjustheap (timers, timercnt, active); |
2801 | adjustheap (timers, timercnt, active); |
2590 | } |
2802 | } |
2591 | } |
2803 | } |
2592 | |
2804 | |
2593 | EV_FREQUENT_CHECK; |
|
|
2594 | |
|
|
2595 | ev_at (w) -= mn_now; |
2805 | ev_at (w) -= mn_now; |
2596 | |
2806 | |
2597 | ev_stop (EV_A_ (W)w); |
2807 | ev_stop (EV_A_ (W)w); |
|
|
2808 | |
|
|
2809 | EV_FREQUENT_CHECK; |
2598 | } |
2810 | } |
2599 | |
2811 | |
2600 | void noinline |
2812 | void noinline |
2601 | ev_timer_again (EV_P_ ev_timer *w) |
2813 | ev_timer_again (EV_P_ ev_timer *w) |
2602 | { |
2814 | { |
… | |
… | |
2638 | if (w->reschedule_cb) |
2850 | if (w->reschedule_cb) |
2639 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2851 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2640 | else if (w->interval) |
2852 | else if (w->interval) |
2641 | { |
2853 | { |
2642 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2854 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2643 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2855 | periodic_recalc (EV_A_ w); |
2644 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2645 | } |
2856 | } |
2646 | else |
2857 | else |
2647 | ev_at (w) = w->offset; |
2858 | ev_at (w) = w->offset; |
2648 | |
2859 | |
2649 | EV_FREQUENT_CHECK; |
2860 | EV_FREQUENT_CHECK; |
… | |
… | |
2681 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2892 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2682 | adjustheap (periodics, periodiccnt, active); |
2893 | adjustheap (periodics, periodiccnt, active); |
2683 | } |
2894 | } |
2684 | } |
2895 | } |
2685 | |
2896 | |
2686 | EV_FREQUENT_CHECK; |
|
|
2687 | |
|
|
2688 | ev_stop (EV_A_ (W)w); |
2897 | ev_stop (EV_A_ (W)w); |
|
|
2898 | |
|
|
2899 | EV_FREQUENT_CHECK; |
2689 | } |
2900 | } |
2690 | |
2901 | |
2691 | void noinline |
2902 | void noinline |
2692 | ev_periodic_again (EV_P_ ev_periodic *w) |
2903 | ev_periodic_again (EV_P_ ev_periodic *w) |
2693 | { |
2904 | { |
… | |
… | |
2698 | #endif |
2909 | #endif |
2699 | |
2910 | |
2700 | #ifndef SA_RESTART |
2911 | #ifndef SA_RESTART |
2701 | # define SA_RESTART 0 |
2912 | # define SA_RESTART 0 |
2702 | #endif |
2913 | #endif |
|
|
2914 | |
|
|
2915 | #if EV_SIGNAL_ENABLE |
2703 | |
2916 | |
2704 | void noinline |
2917 | void noinline |
2705 | ev_signal_start (EV_P_ ev_signal *w) |
2918 | ev_signal_start (EV_P_ ev_signal *w) |
2706 | { |
2919 | { |
2707 | if (expect_false (ev_is_active (w))) |
2920 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2768 | sa.sa_handler = ev_sighandler; |
2981 | sa.sa_handler = ev_sighandler; |
2769 | sigfillset (&sa.sa_mask); |
2982 | sigfillset (&sa.sa_mask); |
2770 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2983 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2771 | sigaction (w->signum, &sa, 0); |
2984 | sigaction (w->signum, &sa, 0); |
2772 | |
2985 | |
|
|
2986 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2987 | { |
2773 | sigemptyset (&sa.sa_mask); |
2988 | sigemptyset (&sa.sa_mask); |
2774 | sigaddset (&sa.sa_mask, w->signum); |
2989 | sigaddset (&sa.sa_mask, w->signum); |
2775 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2990 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2991 | } |
2776 | #endif |
2992 | #endif |
2777 | } |
2993 | } |
2778 | |
2994 | |
2779 | EV_FREQUENT_CHECK; |
2995 | EV_FREQUENT_CHECK; |
2780 | } |
2996 | } |
… | |
… | |
2814 | } |
3030 | } |
2815 | |
3031 | |
2816 | EV_FREQUENT_CHECK; |
3032 | EV_FREQUENT_CHECK; |
2817 | } |
3033 | } |
2818 | |
3034 | |
|
|
3035 | #endif |
|
|
3036 | |
|
|
3037 | #if EV_CHILD_ENABLE |
|
|
3038 | |
2819 | void |
3039 | void |
2820 | ev_child_start (EV_P_ ev_child *w) |
3040 | ev_child_start (EV_P_ ev_child *w) |
2821 | { |
3041 | { |
2822 | #if EV_MULTIPLICITY |
3042 | #if EV_MULTIPLICITY |
2823 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3043 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2826 | return; |
3046 | return; |
2827 | |
3047 | |
2828 | EV_FREQUENT_CHECK; |
3048 | EV_FREQUENT_CHECK; |
2829 | |
3049 | |
2830 | ev_start (EV_A_ (W)w, 1); |
3050 | ev_start (EV_A_ (W)w, 1); |
2831 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3051 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2832 | |
3052 | |
2833 | EV_FREQUENT_CHECK; |
3053 | EV_FREQUENT_CHECK; |
2834 | } |
3054 | } |
2835 | |
3055 | |
2836 | void |
3056 | void |
… | |
… | |
2840 | if (expect_false (!ev_is_active (w))) |
3060 | if (expect_false (!ev_is_active (w))) |
2841 | return; |
3061 | return; |
2842 | |
3062 | |
2843 | EV_FREQUENT_CHECK; |
3063 | EV_FREQUENT_CHECK; |
2844 | |
3064 | |
2845 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3065 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2846 | ev_stop (EV_A_ (W)w); |
3066 | ev_stop (EV_A_ (W)w); |
2847 | |
3067 | |
2848 | EV_FREQUENT_CHECK; |
3068 | EV_FREQUENT_CHECK; |
2849 | } |
3069 | } |
|
|
3070 | |
|
|
3071 | #endif |
2850 | |
3072 | |
2851 | #if EV_STAT_ENABLE |
3073 | #if EV_STAT_ENABLE |
2852 | |
3074 | |
2853 | # ifdef _WIN32 |
3075 | # ifdef _WIN32 |
2854 | # undef lstat |
3076 | # undef lstat |
… | |
… | |
2915 | if (!pend || pend == path) |
3137 | if (!pend || pend == path) |
2916 | break; |
3138 | break; |
2917 | |
3139 | |
2918 | *pend = 0; |
3140 | *pend = 0; |
2919 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3141 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2920 | } |
3142 | } |
2921 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3143 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2922 | } |
3144 | } |
2923 | } |
3145 | } |
2924 | |
3146 | |
2925 | if (w->wd >= 0) |
3147 | if (w->wd >= 0) |
2926 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3148 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2927 | |
3149 | |
2928 | /* now re-arm timer, if required */ |
3150 | /* now re-arm timer, if required */ |
2929 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3151 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2930 | ev_timer_again (EV_A_ &w->timer); |
3152 | ev_timer_again (EV_A_ &w->timer); |
2931 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3153 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2939 | |
3161 | |
2940 | if (wd < 0) |
3162 | if (wd < 0) |
2941 | return; |
3163 | return; |
2942 | |
3164 | |
2943 | w->wd = -2; |
3165 | w->wd = -2; |
2944 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3166 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2945 | wlist_del (&fs_hash [slot].head, (WL)w); |
3167 | wlist_del (&fs_hash [slot].head, (WL)w); |
2946 | |
3168 | |
2947 | /* remove this watcher, if others are watching it, they will rearm */ |
3169 | /* remove this watcher, if others are watching it, they will rearm */ |
2948 | inotify_rm_watch (fs_fd, wd); |
3170 | inotify_rm_watch (fs_fd, wd); |
2949 | } |
3171 | } |
… | |
… | |
2951 | static void noinline |
3173 | static void noinline |
2952 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3174 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2953 | { |
3175 | { |
2954 | if (slot < 0) |
3176 | if (slot < 0) |
2955 | /* overflow, need to check for all hash slots */ |
3177 | /* overflow, need to check for all hash slots */ |
2956 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3178 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2957 | infy_wd (EV_A_ slot, wd, ev); |
3179 | infy_wd (EV_A_ slot, wd, ev); |
2958 | else |
3180 | else |
2959 | { |
3181 | { |
2960 | WL w_; |
3182 | WL w_; |
2961 | |
3183 | |
2962 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3184 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2963 | { |
3185 | { |
2964 | ev_stat *w = (ev_stat *)w_; |
3186 | ev_stat *w = (ev_stat *)w_; |
2965 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3187 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2966 | |
3188 | |
2967 | if (w->wd == wd || wd == -1) |
3189 | if (w->wd == wd || wd == -1) |
2968 | { |
3190 | { |
2969 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3191 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2970 | { |
3192 | { |
2971 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3193 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2972 | w->wd = -1; |
3194 | w->wd = -1; |
2973 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3195 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2974 | } |
3196 | } |
2975 | |
3197 | |
2976 | stat_timer_cb (EV_A_ &w->timer, 0); |
3198 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2993 | ofs += sizeof (struct inotify_event) + ev->len; |
3215 | ofs += sizeof (struct inotify_event) + ev->len; |
2994 | } |
3216 | } |
2995 | } |
3217 | } |
2996 | |
3218 | |
2997 | inline_size void |
3219 | inline_size void |
2998 | check_2625 (EV_P) |
3220 | ev_check_2625 (EV_P) |
2999 | { |
3221 | { |
3000 | /* kernels < 2.6.25 are borked |
3222 | /* kernels < 2.6.25 are borked |
3001 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3223 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3002 | */ |
3224 | */ |
3003 | struct utsname buf; |
3225 | if (ev_linux_version () < 0x020619) |
3004 | int major, minor, micro; |
|
|
3005 | |
|
|
3006 | if (uname (&buf)) |
|
|
3007 | return; |
|
|
3008 | |
|
|
3009 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
3010 | return; |
|
|
3011 | |
|
|
3012 | if (major < 2 |
|
|
3013 | || (major == 2 && minor < 6) |
|
|
3014 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
3015 | return; |
3226 | return; |
3016 | |
3227 | |
3017 | fs_2625 = 1; |
3228 | fs_2625 = 1; |
3018 | } |
3229 | } |
3019 | |
3230 | |
… | |
… | |
3034 | if (fs_fd != -2) |
3245 | if (fs_fd != -2) |
3035 | return; |
3246 | return; |
3036 | |
3247 | |
3037 | fs_fd = -1; |
3248 | fs_fd = -1; |
3038 | |
3249 | |
3039 | check_2625 (EV_A); |
3250 | ev_check_2625 (EV_A); |
3040 | |
3251 | |
3041 | fs_fd = infy_newfd (); |
3252 | fs_fd = infy_newfd (); |
3042 | |
3253 | |
3043 | if (fs_fd >= 0) |
3254 | if (fs_fd >= 0) |
3044 | { |
3255 | { |
… | |
… | |
3069 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3280 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3070 | ev_io_start (EV_A_ &fs_w); |
3281 | ev_io_start (EV_A_ &fs_w); |
3071 | ev_unref (EV_A); |
3282 | ev_unref (EV_A); |
3072 | } |
3283 | } |
3073 | |
3284 | |
3074 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3285 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3075 | { |
3286 | { |
3076 | WL w_ = fs_hash [slot].head; |
3287 | WL w_ = fs_hash [slot].head; |
3077 | fs_hash [slot].head = 0; |
3288 | fs_hash [slot].head = 0; |
3078 | |
3289 | |
3079 | while (w_) |
3290 | while (w_) |
… | |
… | |
3254 | |
3465 | |
3255 | EV_FREQUENT_CHECK; |
3466 | EV_FREQUENT_CHECK; |
3256 | } |
3467 | } |
3257 | #endif |
3468 | #endif |
3258 | |
3469 | |
|
|
3470 | #if EV_PREPARE_ENABLE |
3259 | void |
3471 | void |
3260 | ev_prepare_start (EV_P_ ev_prepare *w) |
3472 | ev_prepare_start (EV_P_ ev_prepare *w) |
3261 | { |
3473 | { |
3262 | if (expect_false (ev_is_active (w))) |
3474 | if (expect_false (ev_is_active (w))) |
3263 | return; |
3475 | return; |
… | |
… | |
3289 | |
3501 | |
3290 | ev_stop (EV_A_ (W)w); |
3502 | ev_stop (EV_A_ (W)w); |
3291 | |
3503 | |
3292 | EV_FREQUENT_CHECK; |
3504 | EV_FREQUENT_CHECK; |
3293 | } |
3505 | } |
|
|
3506 | #endif |
3294 | |
3507 | |
|
|
3508 | #if EV_CHECK_ENABLE |
3295 | void |
3509 | void |
3296 | ev_check_start (EV_P_ ev_check *w) |
3510 | ev_check_start (EV_P_ ev_check *w) |
3297 | { |
3511 | { |
3298 | if (expect_false (ev_is_active (w))) |
3512 | if (expect_false (ev_is_active (w))) |
3299 | return; |
3513 | return; |
… | |
… | |
3325 | |
3539 | |
3326 | ev_stop (EV_A_ (W)w); |
3540 | ev_stop (EV_A_ (W)w); |
3327 | |
3541 | |
3328 | EV_FREQUENT_CHECK; |
3542 | EV_FREQUENT_CHECK; |
3329 | } |
3543 | } |
|
|
3544 | #endif |
3330 | |
3545 | |
3331 | #if EV_EMBED_ENABLE |
3546 | #if EV_EMBED_ENABLE |
3332 | void noinline |
3547 | void noinline |
3333 | ev_embed_sweep (EV_P_ ev_embed *w) |
3548 | ev_embed_sweep (EV_P_ ev_embed *w) |
3334 | { |
3549 | { |
3335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3550 | ev_run (w->other, EVRUN_NOWAIT); |
3336 | } |
3551 | } |
3337 | |
3552 | |
3338 | static void |
3553 | static void |
3339 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3554 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3340 | { |
3555 | { |
3341 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3556 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3342 | |
3557 | |
3343 | if (ev_cb (w)) |
3558 | if (ev_cb (w)) |
3344 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3559 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3345 | else |
3560 | else |
3346 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3561 | ev_run (w->other, EVRUN_NOWAIT); |
3347 | } |
3562 | } |
3348 | |
3563 | |
3349 | static void |
3564 | static void |
3350 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3565 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3351 | { |
3566 | { |
… | |
… | |
3355 | EV_P = w->other; |
3570 | EV_P = w->other; |
3356 | |
3571 | |
3357 | while (fdchangecnt) |
3572 | while (fdchangecnt) |
3358 | { |
3573 | { |
3359 | fd_reify (EV_A); |
3574 | fd_reify (EV_A); |
3360 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3575 | ev_run (EV_A_ EVRUN_NOWAIT); |
3361 | } |
3576 | } |
3362 | } |
3577 | } |
3363 | } |
3578 | } |
3364 | |
3579 | |
3365 | static void |
3580 | static void |
… | |
… | |
3371 | |
3586 | |
3372 | { |
3587 | { |
3373 | EV_P = w->other; |
3588 | EV_P = w->other; |
3374 | |
3589 | |
3375 | ev_loop_fork (EV_A); |
3590 | ev_loop_fork (EV_A); |
3376 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3591 | ev_run (EV_A_ EVRUN_NOWAIT); |
3377 | } |
3592 | } |
3378 | |
3593 | |
3379 | ev_embed_start (EV_A_ w); |
3594 | ev_embed_start (EV_A_ w); |
3380 | } |
3595 | } |
3381 | |
3596 | |
… | |
… | |
3429 | |
3644 | |
3430 | ev_io_stop (EV_A_ &w->io); |
3645 | ev_io_stop (EV_A_ &w->io); |
3431 | ev_prepare_stop (EV_A_ &w->prepare); |
3646 | ev_prepare_stop (EV_A_ &w->prepare); |
3432 | ev_fork_stop (EV_A_ &w->fork); |
3647 | ev_fork_stop (EV_A_ &w->fork); |
3433 | |
3648 | |
|
|
3649 | ev_stop (EV_A_ (W)w); |
|
|
3650 | |
3434 | EV_FREQUENT_CHECK; |
3651 | EV_FREQUENT_CHECK; |
3435 | } |
3652 | } |
3436 | #endif |
3653 | #endif |
3437 | |
3654 | |
3438 | #if EV_FORK_ENABLE |
3655 | #if EV_FORK_ENABLE |
… | |
… | |
3471 | |
3688 | |
3472 | EV_FREQUENT_CHECK; |
3689 | EV_FREQUENT_CHECK; |
3473 | } |
3690 | } |
3474 | #endif |
3691 | #endif |
3475 | |
3692 | |
3476 | #if EV_ASYNC_ENABLE |
3693 | #if EV_CLEANUP_ENABLE |
3477 | void |
3694 | void |
3478 | ev_async_start (EV_P_ ev_async *w) |
3695 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3479 | { |
3696 | { |
3480 | if (expect_false (ev_is_active (w))) |
3697 | if (expect_false (ev_is_active (w))) |
3481 | return; |
3698 | return; |
|
|
3699 | |
|
|
3700 | EV_FREQUENT_CHECK; |
|
|
3701 | |
|
|
3702 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3703 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3704 | cleanups [cleanupcnt - 1] = w; |
|
|
3705 | |
|
|
3706 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3707 | ev_unref (EV_A); |
|
|
3708 | EV_FREQUENT_CHECK; |
|
|
3709 | } |
|
|
3710 | |
|
|
3711 | void |
|
|
3712 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3713 | { |
|
|
3714 | clear_pending (EV_A_ (W)w); |
|
|
3715 | if (expect_false (!ev_is_active (w))) |
|
|
3716 | return; |
|
|
3717 | |
|
|
3718 | EV_FREQUENT_CHECK; |
|
|
3719 | ev_ref (EV_A); |
|
|
3720 | |
|
|
3721 | { |
|
|
3722 | int active = ev_active (w); |
|
|
3723 | |
|
|
3724 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3725 | ev_active (cleanups [active - 1]) = active; |
|
|
3726 | } |
|
|
3727 | |
|
|
3728 | ev_stop (EV_A_ (W)w); |
|
|
3729 | |
|
|
3730 | EV_FREQUENT_CHECK; |
|
|
3731 | } |
|
|
3732 | #endif |
|
|
3733 | |
|
|
3734 | #if EV_ASYNC_ENABLE |
|
|
3735 | void |
|
|
3736 | ev_async_start (EV_P_ ev_async *w) |
|
|
3737 | { |
|
|
3738 | if (expect_false (ev_is_active (w))) |
|
|
3739 | return; |
|
|
3740 | |
|
|
3741 | w->sent = 0; |
3482 | |
3742 | |
3483 | evpipe_init (EV_A); |
3743 | evpipe_init (EV_A); |
3484 | |
3744 | |
3485 | EV_FREQUENT_CHECK; |
3745 | EV_FREQUENT_CHECK; |
3486 | |
3746 | |
… | |
… | |
3564 | { |
3824 | { |
3565 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3825 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3566 | |
3826 | |
3567 | if (expect_false (!once)) |
3827 | if (expect_false (!once)) |
3568 | { |
3828 | { |
3569 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3829 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3570 | return; |
3830 | return; |
3571 | } |
3831 | } |
3572 | |
3832 | |
3573 | once->cb = cb; |
3833 | once->cb = cb; |
3574 | once->arg = arg; |
3834 | once->arg = arg; |
… | |
… | |
3661 | if (types & EV_ASYNC) |
3921 | if (types & EV_ASYNC) |
3662 | for (i = asynccnt; i--; ) |
3922 | for (i = asynccnt; i--; ) |
3663 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3923 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3664 | #endif |
3924 | #endif |
3665 | |
3925 | |
|
|
3926 | #if EV_PREPARE_ENABLE |
3666 | if (types & EV_PREPARE) |
3927 | if (types & EV_PREPARE) |
3667 | for (i = preparecnt; i--; ) |
3928 | for (i = preparecnt; i--; ) |
3668 | #if EV_EMBED_ENABLE |
3929 | # if EV_EMBED_ENABLE |
3669 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3930 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3670 | #endif |
3931 | # endif |
3671 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3932 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3933 | #endif |
3672 | |
3934 | |
|
|
3935 | #if EV_CHECK_ENABLE |
3673 | if (types & EV_CHECK) |
3936 | if (types & EV_CHECK) |
3674 | for (i = checkcnt; i--; ) |
3937 | for (i = checkcnt; i--; ) |
3675 | cb (EV_A_ EV_CHECK, checks [i]); |
3938 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3939 | #endif |
3676 | |
3940 | |
|
|
3941 | #if EV_SIGNAL_ENABLE |
3677 | if (types & EV_SIGNAL) |
3942 | if (types & EV_SIGNAL) |
3678 | for (i = 0; i < EV_NSIG - 1; ++i) |
3943 | for (i = 0; i < EV_NSIG - 1; ++i) |
3679 | for (wl = signals [i].head; wl; ) |
3944 | for (wl = signals [i].head; wl; ) |
3680 | { |
3945 | { |
3681 | wn = wl->next; |
3946 | wn = wl->next; |
3682 | cb (EV_A_ EV_SIGNAL, wl); |
3947 | cb (EV_A_ EV_SIGNAL, wl); |
3683 | wl = wn; |
3948 | wl = wn; |
3684 | } |
3949 | } |
|
|
3950 | #endif |
3685 | |
3951 | |
|
|
3952 | #if EV_CHILD_ENABLE |
3686 | if (types & EV_CHILD) |
3953 | if (types & EV_CHILD) |
3687 | for (i = EV_PID_HASHSIZE; i--; ) |
3954 | for (i = (EV_PID_HASHSIZE); i--; ) |
3688 | for (wl = childs [i]; wl; ) |
3955 | for (wl = childs [i]; wl; ) |
3689 | { |
3956 | { |
3690 | wn = wl->next; |
3957 | wn = wl->next; |
3691 | cb (EV_A_ EV_CHILD, wl); |
3958 | cb (EV_A_ EV_CHILD, wl); |
3692 | wl = wn; |
3959 | wl = wn; |
3693 | } |
3960 | } |
|
|
3961 | #endif |
3694 | /* EV_STAT 0x00001000 /* stat data changed */ |
3962 | /* EV_STAT 0x00001000 /* stat data changed */ |
3695 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3963 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3696 | } |
3964 | } |
3697 | #endif |
3965 | #endif |
3698 | |
3966 | |
3699 | #if EV_MULTIPLICITY |
3967 | #if EV_MULTIPLICITY |
3700 | #include "ev_wrap.h" |
3968 | #include "ev_wrap.h" |
3701 | #endif |
3969 | #endif |
3702 | |
3970 | |
3703 | #ifdef __cplusplus |
3971 | EV_CPP(}) |
3704 | } |
|
|
3705 | #endif |
|
|
3706 | |
3972 | |