1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 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 | |
|
|
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
114 | # ifndef EV_USE_KQUEUE |
121 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE 1 |
|
|
117 | # else |
|
|
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> |
|
|
168 | #include <string.h> |
158 | #include <fcntl.h> |
169 | #include <fcntl.h> |
159 | #include <stddef.h> |
170 | #include <stddef.h> |
160 | |
171 | |
161 | #include <stdio.h> |
172 | #include <stdio.h> |
162 | |
173 | |
163 | #include <assert.h> |
174 | #include <assert.h> |
164 | #include <errno.h> |
175 | #include <errno.h> |
165 | #include <sys/types.h> |
176 | #include <sys/types.h> |
166 | #include <time.h> |
177 | #include <time.h> |
|
|
178 | #include <limits.h> |
167 | |
179 | |
168 | #include <signal.h> |
180 | #include <signal.h> |
169 | |
181 | |
170 | #ifdef EV_H |
182 | #ifdef EV_H |
171 | # include EV_H |
183 | # include EV_H |
172 | #else |
184 | #else |
173 | # include "ev.h" |
185 | # include "ev.h" |
174 | #endif |
186 | #endif |
|
|
187 | |
|
|
188 | EV_CPP(extern "C" {) |
175 | |
189 | |
176 | #ifndef _WIN32 |
190 | #ifndef _WIN32 |
177 | # include <sys/time.h> |
191 | # include <sys/time.h> |
178 | # include <sys/wait.h> |
192 | # include <sys/wait.h> |
179 | # include <unistd.h> |
193 | # include <unistd.h> |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
196 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
197 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
200 | # endif |
|
|
201 | # undef EV_AVOID_STDIO |
187 | #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 |
188 | |
211 | |
189 | /* 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 */ |
190 | |
213 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
214 | /* try to deduce the maximum number of signals on this platform */ |
192 | #if defined (EV_NSIG) |
215 | #if defined (EV_NSIG) |
… | |
… | |
204 | #elif defined (MAXSIG) |
227 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
228 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
229 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
230 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
231 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
233 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
235 | #else |
213 | # error "unable to find value for NSIG, please report" |
236 | # error "unable to find value for NSIG, please report" |
214 | /* 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! :) */ |
215 | # define EV_NSIG 65 |
239 | # define EV_NSIG 65 |
|
|
240 | #endif |
|
|
241 | |
|
|
242 | #ifndef EV_USE_FLOOR |
|
|
243 | # define EV_USE_FLOOR 0 |
216 | #endif |
244 | #endif |
217 | |
245 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
246 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
247 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
248 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
249 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
251 | # endif |
224 | #endif |
252 | #endif |
225 | |
253 | |
226 | #ifndef EV_USE_MONOTONIC |
254 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
257 | # else |
230 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
259 | # endif |
232 | #endif |
260 | #endif |
233 | |
261 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
263 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
264 | #endif |
237 | |
265 | |
238 | #ifndef EV_USE_NANOSLEEP |
266 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
267 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
268 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
269 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
270 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
271 | # endif |
244 | #endif |
272 | #endif |
245 | |
273 | |
246 | #ifndef EV_USE_SELECT |
274 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
275 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
276 | #endif |
249 | |
277 | |
250 | #ifndef EV_USE_POLL |
278 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
279 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
280 | # define EV_USE_POLL 0 |
253 | # else |
281 | # else |
254 | # define EV_USE_POLL 1 |
282 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
283 | # endif |
256 | #endif |
284 | #endif |
257 | |
285 | |
258 | #ifndef EV_USE_EPOLL |
286 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
287 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
288 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
289 | # else |
262 | # define EV_USE_EPOLL 0 |
290 | # define EV_USE_EPOLL 0 |
263 | # endif |
291 | # endif |
264 | #endif |
292 | #endif |
265 | |
293 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
299 | # define EV_USE_PORT 0 |
272 | #endif |
300 | #endif |
273 | |
301 | |
274 | #ifndef EV_USE_INOTIFY |
302 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
304 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
305 | # else |
278 | # define EV_USE_INOTIFY 0 |
306 | # define EV_USE_INOTIFY 0 |
279 | # endif |
307 | # endif |
280 | #endif |
308 | #endif |
281 | |
309 | |
282 | #ifndef EV_PID_HASHSIZE |
310 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
311 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
312 | #endif |
289 | |
313 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
314 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
315 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
316 | #endif |
297 | |
317 | |
298 | #ifndef EV_USE_EVENTFD |
318 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
320 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
321 | # else |
302 | # define EV_USE_EVENTFD 0 |
322 | # define EV_USE_EVENTFD 0 |
303 | # endif |
323 | # endif |
304 | #endif |
324 | #endif |
305 | |
325 | |
306 | #ifndef EV_USE_SIGNALFD |
326 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
327 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
328 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
329 | # else |
310 | # define EV_USE_SIGNALFD 0 |
330 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
331 | # endif |
312 | #endif |
332 | #endif |
313 | |
333 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
336 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
337 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
338 | #endif |
319 | |
339 | |
320 | #ifndef EV_VERIFY |
340 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
341 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
342 | #endif |
323 | |
343 | |
324 | #ifndef EV_USE_4HEAP |
344 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
345 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
346 | #endif |
327 | |
347 | |
328 | #ifndef EV_HEAP_CACHE_AT |
348 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
349 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
350 | #endif |
331 | |
351 | |
332 | /* 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, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
354 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
363 | # endif |
344 | #endif |
364 | #endif |
345 | |
365 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
366 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
367 | |
|
|
368 | #ifdef _AIX |
|
|
369 | /* AIX has a completely broken poll.h header */ |
|
|
370 | # undef EV_USE_POLL |
|
|
371 | # define EV_USE_POLL 0 |
|
|
372 | #endif |
|
|
373 | |
348 | #ifndef CLOCK_MONOTONIC |
374 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
375 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
376 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
377 | #endif |
352 | |
378 | |
… | |
… | |
359 | # undef EV_USE_INOTIFY |
385 | # undef EV_USE_INOTIFY |
360 | # define EV_USE_INOTIFY 0 |
386 | # define EV_USE_INOTIFY 0 |
361 | #endif |
387 | #endif |
362 | |
388 | |
363 | #if !EV_USE_NANOSLEEP |
389 | #if !EV_USE_NANOSLEEP |
364 | # ifndef _WIN32 |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
391 | # if !defined(_WIN32) && !defined(__hpux) |
365 | # include <sys/select.h> |
392 | # include <sys/select.h> |
366 | # endif |
393 | # endif |
367 | #endif |
394 | #endif |
368 | |
395 | |
369 | #if EV_USE_INOTIFY |
396 | #if EV_USE_INOTIFY |
370 | # include <sys/utsname.h> |
|
|
371 | # include <sys/statfs.h> |
397 | # include <sys/statfs.h> |
372 | # include <sys/inotify.h> |
398 | # include <sys/inotify.h> |
373 | /* 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 */ |
374 | # ifndef IN_DONT_FOLLOW |
400 | # ifndef IN_DONT_FOLLOW |
375 | # undef EV_USE_INOTIFY |
401 | # undef EV_USE_INOTIFY |
… | |
… | |
386 | # include <stdint.h> |
412 | # include <stdint.h> |
387 | # ifndef EFD_NONBLOCK |
413 | # ifndef EFD_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
414 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # endif |
415 | # endif |
390 | # ifndef EFD_CLOEXEC |
416 | # ifndef EFD_CLOEXEC |
|
|
417 | # ifdef O_CLOEXEC |
391 | # define EFD_CLOEXEC O_CLOEXEC |
418 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
419 | # else |
|
|
420 | # define EFD_CLOEXEC 02000000 |
|
|
421 | # endif |
392 | # endif |
422 | # endif |
393 | # ifdef __cplusplus |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
394 | extern "C" { |
424 | #endif |
|
|
425 | |
|
|
426 | #if EV_USE_SIGNALFD |
|
|
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
428 | # include <stdint.h> |
|
|
429 | # ifndef SFD_NONBLOCK |
|
|
430 | # define SFD_NONBLOCK O_NONBLOCK |
395 | # endif |
431 | # endif |
396 | int eventfd (unsigned int initval, int flags); |
432 | # ifndef SFD_CLOEXEC |
397 | # ifdef __cplusplus |
433 | # ifdef O_CLOEXEC |
398 | } |
434 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
435 | # else |
|
|
436 | # define SFD_CLOEXEC 02000000 |
|
|
437 | # endif |
399 | # endif |
438 | # endif |
400 | #endif |
439 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
401 | |
440 | |
402 | #if EV_USE_SIGNALFD |
441 | struct signalfd_siginfo |
403 | # include <sys/signalfd.h> |
442 | { |
|
|
443 | uint32_t ssi_signo; |
|
|
444 | char pad[128 - sizeof (uint32_t)]; |
|
|
445 | }; |
404 | #endif |
446 | #endif |
405 | |
447 | |
406 | /**/ |
448 | /**/ |
407 | |
449 | |
408 | #if EV_VERIFY >= 3 |
450 | #if EV_VERIFY >= 3 |
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
451 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
410 | #else |
452 | #else |
411 | # define EV_FREQUENT_CHECK do { } while (0) |
453 | # define EV_FREQUENT_CHECK do { } while (0) |
412 | #endif |
454 | #endif |
413 | |
455 | |
414 | /* |
456 | /* |
415 | * This is used to avoid floating point rounding problems. |
457 | * This is used to work around floating point rounding problems. |
416 | * It is added to ev_rt_now when scheduling periodics |
|
|
417 | * to ensure progress, time-wise, even when rounding |
|
|
418 | * errors are against us. |
|
|
419 | * This value is good at least till the year 4000. |
458 | * This value is good at least till the year 4000. |
420 | * Better solutions welcome. |
|
|
421 | */ |
459 | */ |
422 | #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 */ |
423 | |
462 | |
424 | #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) */ |
425 | #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) */ |
426 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
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) |
427 | |
468 | |
428 | #if __GNUC__ >= 4 |
469 | #if __GNUC__ >= 4 |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
470 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
430 | # define noinline __attribute__ ((noinline)) |
471 | # define noinline __attribute__ ((noinline)) |
431 | #else |
472 | #else |
… | |
… | |
438 | |
479 | |
439 | #define expect_false(expr) expect ((expr) != 0, 0) |
480 | #define expect_false(expr) expect ((expr) != 0, 0) |
440 | #define expect_true(expr) expect ((expr) != 0, 1) |
481 | #define expect_true(expr) expect ((expr) != 0, 1) |
441 | #define inline_size static inline |
482 | #define inline_size static inline |
442 | |
483 | |
443 | #if EV_MINIMAL |
484 | #if EV_FEATURE_CODE |
|
|
485 | # define inline_speed static inline |
|
|
486 | #else |
444 | # define inline_speed static noinline |
487 | # define inline_speed static noinline |
445 | #else |
|
|
446 | # define inline_speed static inline |
|
|
447 | #endif |
488 | #endif |
448 | |
489 | |
449 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
490 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
450 | |
491 | |
451 | #if EV_MINPRI == EV_MAXPRI |
492 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
464 | #define ev_active(w) ((W)(w))->active |
505 | #define ev_active(w) ((W)(w))->active |
465 | #define ev_at(w) ((WT)(w))->at |
506 | #define ev_at(w) ((WT)(w))->at |
466 | |
507 | |
467 | #if EV_USE_REALTIME |
508 | #if EV_USE_REALTIME |
468 | /* 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 */ |
469 | /* giving it a reasonably high chance of working on typical architetcures */ |
510 | /* giving it a reasonably high chance of working on typical architectures */ |
470 | 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? */ |
471 | #endif |
512 | #endif |
472 | |
513 | |
473 | #if EV_USE_MONOTONIC |
514 | #if EV_USE_MONOTONIC |
474 | 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? */ |
475 | #endif |
516 | #endif |
476 | |
517 | |
|
|
518 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
519 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
520 | #endif |
|
|
521 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
522 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
523 | #endif |
|
|
524 | #ifndef EV_WIN32_CLOSE_FD |
|
|
525 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
526 | #endif |
|
|
527 | |
477 | #ifdef _WIN32 |
528 | #ifdef _WIN32 |
478 | # include "ev_win32.c" |
529 | # include "ev_win32.c" |
479 | #endif |
530 | #endif |
480 | |
531 | |
481 | /*****************************************************************************/ |
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 |
482 | |
631 | |
483 | static void (*syserr_cb)(const char *msg); |
632 | static void (*syserr_cb)(const char *msg); |
484 | |
633 | |
485 | void |
634 | void |
486 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
635 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
496 | |
645 | |
497 | if (syserr_cb) |
646 | if (syserr_cb) |
498 | syserr_cb (msg); |
647 | syserr_cb (msg); |
499 | else |
648 | else |
500 | { |
649 | { |
|
|
650 | #if EV_AVOID_STDIO |
|
|
651 | ev_printerr (msg); |
|
|
652 | ev_printerr (": "); |
|
|
653 | ev_printerr (strerror (errno)); |
|
|
654 | ev_printerr ("\n"); |
|
|
655 | #else |
501 | perror (msg); |
656 | perror (msg); |
|
|
657 | #endif |
502 | abort (); |
658 | abort (); |
503 | } |
659 | } |
504 | } |
660 | } |
505 | |
661 | |
506 | static void * |
662 | static void * |
507 | ev_realloc_emul (void *ptr, long size) |
663 | ev_realloc_emul (void *ptr, long size) |
508 | { |
664 | { |
|
|
665 | #if __GLIBC__ |
|
|
666 | return realloc (ptr, size); |
|
|
667 | #else |
509 | /* some systems, notably openbsd and darwin, fail to properly |
668 | /* some systems, notably openbsd and darwin, fail to properly |
510 | * 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 |
511 | * the single unix specification, so work around them here. |
670 | * the single unix specification, so work around them here. |
512 | */ |
671 | */ |
513 | |
672 | |
514 | if (size) |
673 | if (size) |
515 | return realloc (ptr, size); |
674 | return realloc (ptr, size); |
516 | |
675 | |
517 | free (ptr); |
676 | free (ptr); |
518 | return 0; |
677 | return 0; |
|
|
678 | #endif |
519 | } |
679 | } |
520 | |
680 | |
521 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
681 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
522 | |
682 | |
523 | void |
683 | void |
… | |
… | |
531 | { |
691 | { |
532 | ptr = alloc (ptr, size); |
692 | ptr = alloc (ptr, size); |
533 | |
693 | |
534 | if (!ptr && size) |
694 | if (!ptr && size) |
535 | { |
695 | { |
|
|
696 | #if EV_AVOID_STDIO |
|
|
697 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
698 | #else |
536 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
699 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
700 | #endif |
537 | abort (); |
701 | abort (); |
538 | } |
702 | } |
539 | |
703 | |
540 | return ptr; |
704 | return ptr; |
541 | } |
705 | } |
… | |
… | |
557 | 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 */ |
558 | unsigned char unused; |
722 | unsigned char unused; |
559 | #if EV_USE_EPOLL |
723 | #if EV_USE_EPOLL |
560 | unsigned int egen; /* generation counter to counter epoll bugs */ |
724 | unsigned int egen; /* generation counter to counter epoll bugs */ |
561 | #endif |
725 | #endif |
562 | #if EV_SELECT_IS_WINSOCKET |
726 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
563 | SOCKET handle; |
727 | SOCKET handle; |
|
|
728 | #endif |
|
|
729 | #if EV_USE_IOCP |
|
|
730 | OVERLAPPED or, ow; |
564 | #endif |
731 | #endif |
565 | } ANFD; |
732 | } ANFD; |
566 | |
733 | |
567 | /* stores the pending event set for a given watcher */ |
734 | /* stores the pending event set for a given watcher */ |
568 | typedef struct |
735 | typedef struct |
… | |
… | |
623 | |
790 | |
624 | static int ev_default_loop_ptr; |
791 | static int ev_default_loop_ptr; |
625 | |
792 | |
626 | #endif |
793 | #endif |
627 | |
794 | |
628 | #if EV_MINIMAL < 2 |
795 | #if EV_FEATURE_API |
629 | # 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) |
630 | # 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) |
631 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
798 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
632 | #else |
799 | #else |
633 | # define EV_RELEASE_CB (void)0 |
800 | # define EV_RELEASE_CB (void)0 |
634 | # define EV_ACQUIRE_CB (void)0 |
801 | # define EV_ACQUIRE_CB (void)0 |
635 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
802 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
636 | #endif |
803 | #endif |
637 | |
804 | |
638 | #define EVUNLOOP_RECURSE 0x80 |
805 | #define EVBREAK_RECURSE 0x80 |
639 | |
806 | |
640 | /*****************************************************************************/ |
807 | /*****************************************************************************/ |
641 | |
808 | |
642 | #ifndef EV_HAVE_EV_TIME |
809 | #ifndef EV_HAVE_EV_TIME |
643 | ev_tstamp |
810 | ev_tstamp |
… | |
… | |
687 | if (delay > 0.) |
854 | if (delay > 0.) |
688 | { |
855 | { |
689 | #if EV_USE_NANOSLEEP |
856 | #if EV_USE_NANOSLEEP |
690 | struct timespec ts; |
857 | struct timespec ts; |
691 | |
858 | |
692 | ts.tv_sec = (time_t)delay; |
859 | EV_TS_SET (ts, delay); |
693 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
694 | |
|
|
695 | nanosleep (&ts, 0); |
860 | nanosleep (&ts, 0); |
696 | #elif defined(_WIN32) |
861 | #elif defined(_WIN32) |
697 | Sleep ((unsigned long)(delay * 1e3)); |
862 | Sleep ((unsigned long)(delay * 1e3)); |
698 | #else |
863 | #else |
699 | struct timeval tv; |
864 | struct timeval tv; |
700 | |
865 | |
701 | tv.tv_sec = (time_t)delay; |
|
|
702 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
703 | |
|
|
704 | /* 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 */ |
705 | /* something not guaranteed by newer posix versions, but guaranteed */ |
867 | /* something not guaranteed by newer posix versions, but guaranteed */ |
706 | /* by older ones */ |
868 | /* by older ones */ |
|
|
869 | EV_TV_SET (tv, delay); |
707 | select (0, 0, 0, 0, &tv); |
870 | select (0, 0, 0, 0, &tv); |
708 | #endif |
871 | #endif |
709 | } |
872 | } |
710 | } |
873 | } |
711 | |
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 | |
712 | /*****************************************************************************/ |
883 | /*****************************************************************************/ |
713 | |
884 | |
714 | #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 */ |
715 | |
886 | |
716 | /* find a suitable new size for the given array, */ |
887 | /* find a suitable new size for the given array, */ |
717 | /* hopefully by rounding to a ncie-to-malloc size */ |
888 | /* hopefully by rounding to a nice-to-malloc size */ |
718 | inline_size int |
889 | inline_size int |
719 | array_nextsize (int elem, int cur, int cnt) |
890 | array_nextsize (int elem, int cur, int cnt) |
720 | { |
891 | { |
721 | int ncur = cur + 1; |
892 | int ncur = cur + 1; |
722 | |
893 | |
… | |
… | |
818 | } |
989 | } |
819 | |
990 | |
820 | /*****************************************************************************/ |
991 | /*****************************************************************************/ |
821 | |
992 | |
822 | inline_speed void |
993 | inline_speed void |
823 | fd_event_nc (EV_P_ int fd, int revents) |
994 | fd_event_nocheck (EV_P_ int fd, int revents) |
824 | { |
995 | { |
825 | ANFD *anfd = anfds + fd; |
996 | ANFD *anfd = anfds + fd; |
826 | ev_io *w; |
997 | ev_io *w; |
827 | |
998 | |
828 | 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) |
… | |
… | |
840 | fd_event (EV_P_ int fd, int revents) |
1011 | fd_event (EV_P_ int fd, int revents) |
841 | { |
1012 | { |
842 | ANFD *anfd = anfds + fd; |
1013 | ANFD *anfd = anfds + fd; |
843 | |
1014 | |
844 | if (expect_true (!anfd->reify)) |
1015 | if (expect_true (!anfd->reify)) |
845 | fd_event_nc (EV_A_ fd, revents); |
1016 | fd_event_nocheck (EV_A_ fd, revents); |
846 | } |
1017 | } |
847 | |
1018 | |
848 | void |
1019 | void |
849 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1020 | ev_feed_fd_event (EV_P_ int fd, int revents) |
850 | { |
1021 | { |
851 | if (fd >= 0 && fd < anfdmax) |
1022 | if (fd >= 0 && fd < anfdmax) |
852 | fd_event_nc (EV_A_ fd, revents); |
1023 | fd_event_nocheck (EV_A_ fd, revents); |
853 | } |
1024 | } |
854 | |
1025 | |
855 | /* make sure the external fd watch events are in-sync */ |
1026 | /* make sure the external fd watch events are in-sync */ |
856 | /* with the kernel/libev internal state */ |
1027 | /* with the kernel/libev internal state */ |
857 | inline_size void |
1028 | inline_size void |
858 | fd_reify (EV_P) |
1029 | fd_reify (EV_P) |
859 | { |
1030 | { |
860 | int i; |
1031 | int i; |
861 | |
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) |
|
|
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 | |
862 | for (i = 0; i < fdchangecnt; ++i) |
1058 | for (i = 0; i < fdchangecnt; ++i) |
863 | { |
1059 | { |
864 | int fd = fdchanges [i]; |
1060 | int fd = fdchanges [i]; |
865 | ANFD *anfd = anfds + fd; |
1061 | ANFD *anfd = anfds + fd; |
866 | ev_io *w; |
1062 | ev_io *w; |
867 | |
1063 | |
868 | unsigned char events = 0; |
1064 | unsigned char o_events = anfd->events; |
|
|
1065 | unsigned char o_reify = anfd->reify; |
869 | |
1066 | |
870 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1067 | anfd->reify = 0; |
871 | events |= (unsigned char)w->events; |
|
|
872 | |
1068 | |
873 | #if EV_SELECT_IS_WINSOCKET |
1069 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
874 | if (events) |
|
|
875 | { |
1070 | { |
876 | unsigned long arg; |
1071 | anfd->events = 0; |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
1072 | |
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1073 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
879 | #else |
1074 | anfd->events |= (unsigned char)w->events; |
880 | anfd->handle = _get_osfhandle (fd); |
1075 | |
881 | #endif |
1076 | if (o_events != anfd->events) |
882 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1077 | o_reify = EV__IOFDSET; /* actually |= */ |
883 | } |
1078 | } |
884 | #endif |
|
|
885 | |
1079 | |
886 | { |
1080 | if (o_reify & EV__IOFDSET) |
887 | unsigned char o_events = anfd->events; |
|
|
888 | unsigned char o_reify = anfd->reify; |
|
|
889 | |
|
|
890 | anfd->reify = 0; |
|
|
891 | anfd->events = events; |
|
|
892 | |
|
|
893 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
894 | backend_modify (EV_A_ fd, o_events, events); |
1081 | backend_modify (EV_A_ fd, o_events, anfd->events); |
895 | } |
|
|
896 | } |
1082 | } |
897 | |
1083 | |
898 | fdchangecnt = 0; |
1084 | fdchangecnt = 0; |
899 | } |
1085 | } |
900 | |
1086 | |
… | |
… | |
924 | ev_io_stop (EV_A_ w); |
1110 | ev_io_stop (EV_A_ w); |
925 | 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); |
926 | } |
1112 | } |
927 | } |
1113 | } |
928 | |
1114 | |
929 | /* check whether the given fd is atcually valid, for error recovery */ |
1115 | /* check whether the given fd is actually valid, for error recovery */ |
930 | inline_size int |
1116 | inline_size int |
931 | fd_valid (int fd) |
1117 | fd_valid (int fd) |
932 | { |
1118 | { |
933 | #ifdef _WIN32 |
1119 | #ifdef _WIN32 |
934 | return _get_osfhandle (fd) != -1; |
1120 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
935 | #else |
1121 | #else |
936 | return fcntl (fd, F_GETFD) != -1; |
1122 | return fcntl (fd, F_GETFD) != -1; |
937 | #endif |
1123 | #endif |
938 | } |
1124 | } |
939 | |
1125 | |
… | |
… | |
976 | anfds [fd].emask = 0; |
1162 | anfds [fd].emask = 0; |
977 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1163 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
978 | } |
1164 | } |
979 | } |
1165 | } |
980 | |
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 | |
981 | /*****************************************************************************/ |
1181 | /*****************************************************************************/ |
982 | |
1182 | |
983 | /* |
1183 | /* |
984 | * 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 |
985 | * 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 |
986 | * the branching factor of the d-tree. |
1186 | * the branching factor of the d-tree. |
987 | */ |
1187 | */ |
988 | |
1188 | |
989 | /* |
1189 | /* |
… | |
… | |
1057 | |
1257 | |
1058 | for (;;) |
1258 | for (;;) |
1059 | { |
1259 | { |
1060 | int c = k << 1; |
1260 | int c = k << 1; |
1061 | |
1261 | |
1062 | if (c > N + HEAP0 - 1) |
1262 | if (c >= N + HEAP0) |
1063 | break; |
1263 | break; |
1064 | |
1264 | |
1065 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1265 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1066 | ? 1 : 0; |
1266 | ? 1 : 0; |
1067 | |
1267 | |
… | |
… | |
1103 | |
1303 | |
1104 | /* move an element suitably so it is in a correct place */ |
1304 | /* move an element suitably so it is in a correct place */ |
1105 | inline_size void |
1305 | inline_size void |
1106 | adjustheap (ANHE *heap, int N, int k) |
1306 | adjustheap (ANHE *heap, int N, int k) |
1107 | { |
1307 | { |
1108 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1308 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1109 | upheap (heap, k); |
1309 | upheap (heap, k); |
1110 | else |
1310 | else |
1111 | downheap (heap, N, k); |
1311 | downheap (heap, N, k); |
1112 | } |
1312 | } |
1113 | |
1313 | |
… | |
… | |
1137 | |
1337 | |
1138 | static ANSIG signals [EV_NSIG - 1]; |
1338 | static ANSIG signals [EV_NSIG - 1]; |
1139 | |
1339 | |
1140 | /*****************************************************************************/ |
1340 | /*****************************************************************************/ |
1141 | |
1341 | |
1142 | /* used to prepare libev internal fd's */ |
1342 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1143 | /* this is not fork-safe */ |
|
|
1144 | inline_speed void |
|
|
1145 | fd_intern (int fd) |
|
|
1146 | { |
|
|
1147 | #ifdef _WIN32 |
|
|
1148 | unsigned long arg = 1; |
|
|
1149 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1150 | #else |
|
|
1151 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1152 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1153 | #endif |
|
|
1154 | } |
|
|
1155 | |
1343 | |
1156 | static void noinline |
1344 | static void noinline |
1157 | evpipe_init (EV_P) |
1345 | evpipe_init (EV_P) |
1158 | { |
1346 | { |
1159 | if (!ev_is_active (&pipe_w)) |
1347 | if (!ev_is_active (&pipe_w)) |
1160 | { |
1348 | { |
1161 | #if EV_USE_EVENTFD |
1349 | # if EV_USE_EVENTFD |
1162 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1350 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1163 | if (evfd < 0 && errno == EINVAL) |
1351 | if (evfd < 0 && errno == EINVAL) |
1164 | evfd = eventfd (0, 0); |
1352 | evfd = eventfd (0, 0); |
1165 | |
1353 | |
1166 | if (evfd >= 0) |
1354 | if (evfd >= 0) |
… | |
… | |
1168 | evpipe [0] = -1; |
1356 | evpipe [0] = -1; |
1169 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1357 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1170 | ev_io_set (&pipe_w, evfd, EV_READ); |
1358 | ev_io_set (&pipe_w, evfd, EV_READ); |
1171 | } |
1359 | } |
1172 | else |
1360 | else |
1173 | #endif |
1361 | # endif |
1174 | { |
1362 | { |
1175 | while (pipe (evpipe)) |
1363 | while (pipe (evpipe)) |
1176 | ev_syserr ("(libev) error creating signal/async pipe"); |
1364 | ev_syserr ("(libev) error creating signal/async pipe"); |
1177 | |
1365 | |
1178 | fd_intern (evpipe [0]); |
1366 | fd_intern (evpipe [0]); |
… | |
… | |
1189 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1377 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1190 | { |
1378 | { |
1191 | if (!*flag) |
1379 | if (!*flag) |
1192 | { |
1380 | { |
1193 | 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; |
1194 | |
1383 | |
1195 | *flag = 1; |
1384 | *flag = 1; |
1196 | |
1385 | |
1197 | #if EV_USE_EVENTFD |
1386 | #if EV_USE_EVENTFD |
1198 | if (evfd >= 0) |
1387 | if (evfd >= 0) |
… | |
… | |
1200 | uint64_t counter = 1; |
1389 | uint64_t counter = 1; |
1201 | write (evfd, &counter, sizeof (uint64_t)); |
1390 | write (evfd, &counter, sizeof (uint64_t)); |
1202 | } |
1391 | } |
1203 | else |
1392 | else |
1204 | #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. */ |
1205 | write (evpipe [1], &old_errno, 1); |
1399 | write (evpipe [1], &dummy, 1); |
1206 | |
1400 | |
1207 | errno = old_errno; |
1401 | errno = old_errno; |
1208 | } |
1402 | } |
1209 | } |
1403 | } |
1210 | |
1404 | |
… | |
… | |
1223 | } |
1417 | } |
1224 | else |
1418 | else |
1225 | #endif |
1419 | #endif |
1226 | { |
1420 | { |
1227 | char dummy; |
1421 | char dummy; |
|
|
1422 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1228 | read (evpipe [0], &dummy, 1); |
1423 | read (evpipe [0], &dummy, 1); |
1229 | } |
1424 | } |
1230 | |
1425 | |
|
|
1426 | #if EV_SIGNAL_ENABLE |
1231 | if (sig_pending) |
1427 | if (sig_pending) |
1232 | { |
1428 | { |
1233 | sig_pending = 0; |
1429 | sig_pending = 0; |
1234 | |
1430 | |
1235 | for (i = EV_NSIG - 1; i--; ) |
1431 | for (i = EV_NSIG - 1; i--; ) |
1236 | if (expect_false (signals [i].pending)) |
1432 | if (expect_false (signals [i].pending)) |
1237 | ev_feed_signal_event (EV_A_ i + 1); |
1433 | ev_feed_signal_event (EV_A_ i + 1); |
1238 | } |
1434 | } |
|
|
1435 | #endif |
1239 | |
1436 | |
1240 | #if EV_ASYNC_ENABLE |
1437 | #if EV_ASYNC_ENABLE |
1241 | if (async_pending) |
1438 | if (async_pending) |
1242 | { |
1439 | { |
1243 | async_pending = 0; |
1440 | async_pending = 0; |
… | |
… | |
1252 | #endif |
1449 | #endif |
1253 | } |
1450 | } |
1254 | |
1451 | |
1255 | /*****************************************************************************/ |
1452 | /*****************************************************************************/ |
1256 | |
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 | |
1257 | static void |
1468 | static void |
1258 | ev_sighandler (int signum) |
1469 | ev_sighandler (int signum) |
1259 | { |
1470 | { |
1260 | #if EV_MULTIPLICITY |
|
|
1261 | EV_P = signals [signum - 1].loop; |
|
|
1262 | #endif |
|
|
1263 | |
|
|
1264 | #if _WIN32 |
1471 | #ifdef _WIN32 |
1265 | signal (signum, ev_sighandler); |
1472 | signal (signum, ev_sighandler); |
1266 | #endif |
1473 | #endif |
1267 | |
1474 | |
1268 | signals [signum - 1].pending = 1; |
1475 | ev_feed_signal (signum); |
1269 | evpipe_write (EV_A_ &sig_pending); |
|
|
1270 | } |
1476 | } |
1271 | |
1477 | |
1272 | void noinline |
1478 | void noinline |
1273 | ev_feed_signal_event (EV_P_ int signum) |
1479 | ev_feed_signal_event (EV_P_ int signum) |
1274 | { |
1480 | { |
… | |
… | |
1311 | break; |
1517 | break; |
1312 | } |
1518 | } |
1313 | } |
1519 | } |
1314 | #endif |
1520 | #endif |
1315 | |
1521 | |
|
|
1522 | #endif |
|
|
1523 | |
1316 | /*****************************************************************************/ |
1524 | /*****************************************************************************/ |
1317 | |
1525 | |
|
|
1526 | #if EV_CHILD_ENABLE |
1318 | static WL childs [EV_PID_HASHSIZE]; |
1527 | static WL childs [EV_PID_HASHSIZE]; |
1319 | |
|
|
1320 | #ifndef _WIN32 |
|
|
1321 | |
1528 | |
1322 | static ev_signal childev; |
1529 | static ev_signal childev; |
1323 | |
1530 | |
1324 | #ifndef WIFCONTINUED |
1531 | #ifndef WIFCONTINUED |
1325 | # define WIFCONTINUED(status) 0 |
1532 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1330 | child_reap (EV_P_ int chain, int pid, int status) |
1537 | child_reap (EV_P_ int chain, int pid, int status) |
1331 | { |
1538 | { |
1332 | ev_child *w; |
1539 | ev_child *w; |
1333 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1540 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1334 | |
1541 | |
1335 | 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) |
1336 | { |
1543 | { |
1337 | if ((w->pid == pid || !w->pid) |
1544 | if ((w->pid == pid || !w->pid) |
1338 | && (!traced || (w->flags & 1))) |
1545 | && (!traced || (w->flags & 1))) |
1339 | { |
1546 | { |
1340 | 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 */ |
… | |
… | |
1365 | /* 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 */ |
1366 | /* 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 */ |
1367 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1574 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1368 | |
1575 | |
1369 | child_reap (EV_A_ pid, pid, status); |
1576 | child_reap (EV_A_ pid, pid, status); |
1370 | if (EV_PID_HASHSIZE > 1) |
1577 | if ((EV_PID_HASHSIZE) > 1) |
1371 | 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 */ |
1372 | } |
1579 | } |
1373 | |
1580 | |
1374 | #endif |
1581 | #endif |
1375 | |
1582 | |
1376 | /*****************************************************************************/ |
1583 | /*****************************************************************************/ |
1377 | |
1584 | |
|
|
1585 | #if EV_USE_IOCP |
|
|
1586 | # include "ev_iocp.c" |
|
|
1587 | #endif |
1378 | #if EV_USE_PORT |
1588 | #if EV_USE_PORT |
1379 | # include "ev_port.c" |
1589 | # include "ev_port.c" |
1380 | #endif |
1590 | #endif |
1381 | #if EV_USE_KQUEUE |
1591 | #if EV_USE_KQUEUE |
1382 | # include "ev_kqueue.c" |
1592 | # include "ev_kqueue.c" |
… | |
… | |
1442 | #ifdef __APPLE__ |
1652 | #ifdef __APPLE__ |
1443 | /* only select works correctly on that "unix-certified" platform */ |
1653 | /* only select works correctly on that "unix-certified" platform */ |
1444 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1654 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1445 | 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 */ |
1446 | #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 |
1447 | |
1660 | |
1448 | return flags; |
1661 | return flags; |
1449 | } |
1662 | } |
1450 | |
1663 | |
1451 | unsigned int |
1664 | unsigned int |
1452 | ev_embeddable_backends (void) |
1665 | ev_embeddable_backends (void) |
1453 | { |
1666 | { |
1454 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1667 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1455 | |
1668 | |
1456 | /* 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 */ |
1457 | /* please fix it and tell me how to detect the fix */ |
1670 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1458 | flags &= ~EVBACKEND_EPOLL; |
1671 | flags &= ~EVBACKEND_EPOLL; |
1459 | |
1672 | |
1460 | return flags; |
1673 | return flags; |
1461 | } |
1674 | } |
1462 | |
1675 | |
1463 | unsigned int |
1676 | unsigned int |
1464 | ev_backend (EV_P) |
1677 | ev_backend (EV_P) |
1465 | { |
1678 | { |
1466 | return backend; |
1679 | return backend; |
1467 | } |
1680 | } |
1468 | |
1681 | |
1469 | #if EV_MINIMAL < 2 |
1682 | #if EV_FEATURE_API |
1470 | unsigned int |
1683 | unsigned int |
1471 | ev_loop_count (EV_P) |
1684 | ev_iteration (EV_P) |
1472 | { |
1685 | { |
1473 | return loop_count; |
1686 | return loop_count; |
1474 | } |
1687 | } |
1475 | |
1688 | |
1476 | unsigned int |
1689 | unsigned int |
1477 | ev_loop_depth (EV_P) |
1690 | ev_depth (EV_P) |
1478 | { |
1691 | { |
1479 | return loop_depth; |
1692 | return loop_depth; |
1480 | } |
1693 | } |
1481 | |
1694 | |
1482 | void |
1695 | void |
… | |
… | |
1519 | static void noinline |
1732 | static void noinline |
1520 | loop_init (EV_P_ unsigned int flags) |
1733 | loop_init (EV_P_ unsigned int flags) |
1521 | { |
1734 | { |
1522 | if (!backend) |
1735 | if (!backend) |
1523 | { |
1736 | { |
|
|
1737 | origflags = flags; |
|
|
1738 | |
1524 | #if EV_USE_REALTIME |
1739 | #if EV_USE_REALTIME |
1525 | if (!have_realtime) |
1740 | if (!have_realtime) |
1526 | { |
1741 | { |
1527 | struct timespec ts; |
1742 | struct timespec ts; |
1528 | |
1743 | |
… | |
… | |
1554 | |
1769 | |
1555 | ev_rt_now = ev_time (); |
1770 | ev_rt_now = ev_time (); |
1556 | mn_now = get_clock (); |
1771 | mn_now = get_clock (); |
1557 | now_floor = mn_now; |
1772 | now_floor = mn_now; |
1558 | rtmn_diff = ev_rt_now - mn_now; |
1773 | rtmn_diff = ev_rt_now - mn_now; |
1559 | #if EV_MINIMAL < 2 |
1774 | #if EV_FEATURE_API |
1560 | invoke_cb = ev_invoke_pending; |
1775 | invoke_cb = ev_invoke_pending; |
1561 | #endif |
1776 | #endif |
1562 | |
1777 | |
1563 | io_blocktime = 0.; |
1778 | io_blocktime = 0.; |
1564 | timeout_blocktime = 0.; |
1779 | timeout_blocktime = 0.; |
… | |
… | |
1570 | #endif |
1785 | #endif |
1571 | #if EV_USE_INOTIFY |
1786 | #if EV_USE_INOTIFY |
1572 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1787 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1573 | #endif |
1788 | #endif |
1574 | #if EV_USE_SIGNALFD |
1789 | #if EV_USE_SIGNALFD |
1575 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1790 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1576 | #endif |
1791 | #endif |
1577 | |
1792 | |
1578 | if (!(flags & 0x0000ffffU)) |
1793 | if (!(flags & EVBACKEND_MASK)) |
1579 | flags |= ev_recommended_backends (); |
1794 | flags |= ev_recommended_backends (); |
1580 | |
1795 | |
|
|
1796 | #if EV_USE_IOCP |
|
|
1797 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1798 | #endif |
1581 | #if EV_USE_PORT |
1799 | #if EV_USE_PORT |
1582 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1800 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1583 | #endif |
1801 | #endif |
1584 | #if EV_USE_KQUEUE |
1802 | #if EV_USE_KQUEUE |
1585 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1803 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1594 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1812 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1595 | #endif |
1813 | #endif |
1596 | |
1814 | |
1597 | ev_prepare_init (&pending_w, pendingcb); |
1815 | ev_prepare_init (&pending_w, pendingcb); |
1598 | |
1816 | |
|
|
1817 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1599 | ev_init (&pipe_w, pipecb); |
1818 | ev_init (&pipe_w, pipecb); |
1600 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1819 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1820 | #endif |
1601 | } |
1821 | } |
1602 | } |
1822 | } |
1603 | |
1823 | |
1604 | /* free up a loop structure */ |
1824 | /* free up a loop structure */ |
1605 | static void noinline |
1825 | void |
1606 | loop_destroy (EV_P) |
1826 | ev_loop_destroy (EV_P) |
1607 | { |
1827 | { |
1608 | 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 |
1609 | |
1852 | |
1610 | if (ev_is_active (&pipe_w)) |
1853 | if (ev_is_active (&pipe_w)) |
1611 | { |
1854 | { |
1612 | /*ev_ref (EV_A);*/ |
1855 | /*ev_ref (EV_A);*/ |
1613 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1856 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1617 | close (evfd); |
1860 | close (evfd); |
1618 | #endif |
1861 | #endif |
1619 | |
1862 | |
1620 | if (evpipe [0] >= 0) |
1863 | if (evpipe [0] >= 0) |
1621 | { |
1864 | { |
1622 | close (evpipe [0]); |
1865 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1623 | close (evpipe [1]); |
1866 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1624 | } |
1867 | } |
1625 | } |
1868 | } |
1626 | |
1869 | |
1627 | #if EV_USE_SIGNALFD |
1870 | #if EV_USE_SIGNALFD |
1628 | if (ev_is_active (&sigfd_w)) |
1871 | if (ev_is_active (&sigfd_w)) |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
1872 | close (sigfd); |
1634 | } |
|
|
1635 | #endif |
1873 | #endif |
1636 | |
1874 | |
1637 | #if EV_USE_INOTIFY |
1875 | #if EV_USE_INOTIFY |
1638 | if (fs_fd >= 0) |
1876 | if (fs_fd >= 0) |
1639 | close (fs_fd); |
1877 | close (fs_fd); |
1640 | #endif |
1878 | #endif |
1641 | |
1879 | |
1642 | if (backend_fd >= 0) |
1880 | if (backend_fd >= 0) |
1643 | close (backend_fd); |
1881 | close (backend_fd); |
1644 | |
1882 | |
|
|
1883 | #if EV_USE_IOCP |
|
|
1884 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1885 | #endif |
1645 | #if EV_USE_PORT |
1886 | #if EV_USE_PORT |
1646 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1887 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1647 | #endif |
1888 | #endif |
1648 | #if EV_USE_KQUEUE |
1889 | #if EV_USE_KQUEUE |
1649 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1890 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1676 | array_free (periodic, EMPTY); |
1917 | array_free (periodic, EMPTY); |
1677 | #endif |
1918 | #endif |
1678 | #if EV_FORK_ENABLE |
1919 | #if EV_FORK_ENABLE |
1679 | array_free (fork, EMPTY); |
1920 | array_free (fork, EMPTY); |
1680 | #endif |
1921 | #endif |
|
|
1922 | #if EV_CLEANUP_ENABLE |
|
|
1923 | array_free (cleanup, EMPTY); |
|
|
1924 | #endif |
1681 | array_free (prepare, EMPTY); |
1925 | array_free (prepare, EMPTY); |
1682 | array_free (check, EMPTY); |
1926 | array_free (check, EMPTY); |
1683 | #if EV_ASYNC_ENABLE |
1927 | #if EV_ASYNC_ENABLE |
1684 | array_free (async, EMPTY); |
1928 | array_free (async, EMPTY); |
1685 | #endif |
1929 | #endif |
1686 | |
1930 | |
1687 | 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 |
1688 | } |
1941 | } |
1689 | |
1942 | |
1690 | #if EV_USE_INOTIFY |
1943 | #if EV_USE_INOTIFY |
1691 | inline_size void infy_fork (EV_P); |
1944 | inline_size void infy_fork (EV_P); |
1692 | #endif |
1945 | #endif |
… | |
… | |
1724 | close (evfd); |
1977 | close (evfd); |
1725 | #endif |
1978 | #endif |
1726 | |
1979 | |
1727 | if (evpipe [0] >= 0) |
1980 | if (evpipe [0] >= 0) |
1728 | { |
1981 | { |
1729 | close (evpipe [0]); |
1982 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1730 | close (evpipe [1]); |
1983 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1731 | } |
1984 | } |
1732 | |
1985 | |
|
|
1986 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1733 | evpipe_init (EV_A); |
1987 | evpipe_init (EV_A); |
1734 | /* now iterate over everything, in case we missed something */ |
1988 | /* now iterate over everything, in case we missed something */ |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
1989 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1990 | #endif |
1736 | } |
1991 | } |
1737 | |
1992 | |
1738 | postfork = 0; |
1993 | postfork = 0; |
1739 | } |
1994 | } |
1740 | |
1995 | |
… | |
… | |
1749 | loop_init (EV_A_ flags); |
2004 | loop_init (EV_A_ flags); |
1750 | |
2005 | |
1751 | if (ev_backend (EV_A)) |
2006 | if (ev_backend (EV_A)) |
1752 | return EV_A; |
2007 | return EV_A; |
1753 | |
2008 | |
|
|
2009 | ev_free (EV_A); |
1754 | return 0; |
2010 | return 0; |
1755 | } |
2011 | } |
1756 | |
2012 | |
1757 | void |
|
|
1758 | ev_loop_destroy (EV_P) |
|
|
1759 | { |
|
|
1760 | loop_destroy (EV_A); |
|
|
1761 | ev_free (loop); |
|
|
1762 | } |
|
|
1763 | |
|
|
1764 | void |
|
|
1765 | ev_loop_fork (EV_P) |
|
|
1766 | { |
|
|
1767 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1768 | } |
|
|
1769 | #endif /* multiplicity */ |
2013 | #endif /* multiplicity */ |
1770 | |
2014 | |
1771 | #if EV_VERIFY |
2015 | #if EV_VERIFY |
1772 | static void noinline |
2016 | static void noinline |
1773 | verify_watcher (EV_P_ W w) |
2017 | verify_watcher (EV_P_ W w) |
… | |
… | |
1802 | verify_watcher (EV_A_ ws [cnt]); |
2046 | verify_watcher (EV_A_ ws [cnt]); |
1803 | } |
2047 | } |
1804 | } |
2048 | } |
1805 | #endif |
2049 | #endif |
1806 | |
2050 | |
1807 | #if EV_MINIMAL < 2 |
2051 | #if EV_FEATURE_API |
1808 | void |
2052 | void |
1809 | ev_loop_verify (EV_P) |
2053 | ev_verify (EV_P) |
1810 | { |
2054 | { |
1811 | #if EV_VERIFY |
2055 | #if EV_VERIFY |
1812 | int i; |
2056 | int i; |
1813 | WL w; |
2057 | WL w; |
1814 | |
2058 | |
… | |
… | |
1848 | #if EV_FORK_ENABLE |
2092 | #if EV_FORK_ENABLE |
1849 | assert (forkmax >= forkcnt); |
2093 | assert (forkmax >= forkcnt); |
1850 | array_verify (EV_A_ (W *)forks, forkcnt); |
2094 | array_verify (EV_A_ (W *)forks, forkcnt); |
1851 | #endif |
2095 | #endif |
1852 | |
2096 | |
|
|
2097 | #if EV_CLEANUP_ENABLE |
|
|
2098 | assert (cleanupmax >= cleanupcnt); |
|
|
2099 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2100 | #endif |
|
|
2101 | |
1853 | #if EV_ASYNC_ENABLE |
2102 | #if EV_ASYNC_ENABLE |
1854 | assert (asyncmax >= asynccnt); |
2103 | assert (asyncmax >= asynccnt); |
1855 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2104 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1856 | #endif |
2105 | #endif |
1857 | |
2106 | |
|
|
2107 | #if EV_PREPARE_ENABLE |
1858 | assert (preparemax >= preparecnt); |
2108 | assert (preparemax >= preparecnt); |
1859 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2109 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2110 | #endif |
1860 | |
2111 | |
|
|
2112 | #if EV_CHECK_ENABLE |
1861 | assert (checkmax >= checkcnt); |
2113 | assert (checkmax >= checkcnt); |
1862 | array_verify (EV_A_ (W *)checks, checkcnt); |
2114 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2115 | #endif |
1863 | |
2116 | |
1864 | # if 0 |
2117 | # if 0 |
|
|
2118 | #if EV_CHILD_ENABLE |
1865 | 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) |
1866 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2120 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2121 | #endif |
1867 | # endif |
2122 | # endif |
1868 | #endif |
2123 | #endif |
1869 | } |
2124 | } |
1870 | #endif |
2125 | #endif |
1871 | |
2126 | |
1872 | #if EV_MULTIPLICITY |
2127 | #if EV_MULTIPLICITY |
1873 | struct ev_loop * |
2128 | struct ev_loop * |
1874 | ev_default_loop_init (unsigned int flags) |
|
|
1875 | #else |
2129 | #else |
1876 | int |
2130 | int |
|
|
2131 | #endif |
1877 | ev_default_loop (unsigned int flags) |
2132 | ev_default_loop (unsigned int flags) |
1878 | #endif |
|
|
1879 | { |
2133 | { |
1880 | if (!ev_default_loop_ptr) |
2134 | if (!ev_default_loop_ptr) |
1881 | { |
2135 | { |
1882 | #if EV_MULTIPLICITY |
2136 | #if EV_MULTIPLICITY |
1883 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2137 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1887 | |
2141 | |
1888 | loop_init (EV_A_ flags); |
2142 | loop_init (EV_A_ flags); |
1889 | |
2143 | |
1890 | if (ev_backend (EV_A)) |
2144 | if (ev_backend (EV_A)) |
1891 | { |
2145 | { |
1892 | #ifndef _WIN32 |
2146 | #if EV_CHILD_ENABLE |
1893 | ev_signal_init (&childev, childcb, SIGCHLD); |
2147 | ev_signal_init (&childev, childcb, SIGCHLD); |
1894 | ev_set_priority (&childev, EV_MAXPRI); |
2148 | ev_set_priority (&childev, EV_MAXPRI); |
1895 | ev_signal_start (EV_A_ &childev); |
2149 | ev_signal_start (EV_A_ &childev); |
1896 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2150 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1897 | #endif |
2151 | #endif |
… | |
… | |
1902 | |
2156 | |
1903 | return ev_default_loop_ptr; |
2157 | return ev_default_loop_ptr; |
1904 | } |
2158 | } |
1905 | |
2159 | |
1906 | void |
2160 | void |
1907 | ev_default_destroy (void) |
2161 | ev_loop_fork (EV_P) |
1908 | { |
2162 | { |
1909 | #if EV_MULTIPLICITY |
|
|
1910 | EV_P = ev_default_loop_ptr; |
|
|
1911 | #endif |
|
|
1912 | |
|
|
1913 | ev_default_loop_ptr = 0; |
|
|
1914 | |
|
|
1915 | #ifndef _WIN32 |
|
|
1916 | ev_ref (EV_A); /* child watcher */ |
|
|
1917 | ev_signal_stop (EV_A_ &childev); |
|
|
1918 | #endif |
|
|
1919 | |
|
|
1920 | loop_destroy (EV_A); |
|
|
1921 | } |
|
|
1922 | |
|
|
1923 | void |
|
|
1924 | ev_default_fork (void) |
|
|
1925 | { |
|
|
1926 | #if EV_MULTIPLICITY |
|
|
1927 | EV_P = ev_default_loop_ptr; |
|
|
1928 | #endif |
|
|
1929 | |
|
|
1930 | postfork = 1; /* must be in line with ev_loop_fork */ |
2163 | postfork = 1; /* must be in line with ev_default_fork */ |
1931 | } |
2164 | } |
1932 | |
2165 | |
1933 | /*****************************************************************************/ |
2166 | /*****************************************************************************/ |
1934 | |
2167 | |
1935 | void |
2168 | void |
… | |
… | |
1957 | |
2190 | |
1958 | for (pri = NUMPRI; pri--; ) |
2191 | for (pri = NUMPRI; pri--; ) |
1959 | while (pendingcnt [pri]) |
2192 | while (pendingcnt [pri]) |
1960 | { |
2193 | { |
1961 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2194 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1962 | |
|
|
1963 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1964 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
1965 | |
2195 | |
1966 | p->w->pending = 0; |
2196 | p->w->pending = 0; |
1967 | EV_CB_INVOKE (p->w, p->events); |
2197 | EV_CB_INVOKE (p->w, p->events); |
1968 | EV_FREQUENT_CHECK; |
2198 | EV_FREQUENT_CHECK; |
1969 | } |
2199 | } |
… | |
… | |
2026 | EV_FREQUENT_CHECK; |
2256 | EV_FREQUENT_CHECK; |
2027 | feed_reverse (EV_A_ (W)w); |
2257 | feed_reverse (EV_A_ (W)w); |
2028 | } |
2258 | } |
2029 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2259 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2030 | |
2260 | |
2031 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2261 | feed_reverse_done (EV_A_ EV_TIMER); |
2032 | } |
2262 | } |
2033 | } |
2263 | } |
2034 | |
2264 | |
2035 | #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 | |
2036 | /* make periodics pending */ |
2291 | /* make periodics pending */ |
2037 | inline_size void |
2292 | inline_size void |
2038 | periodics_reify (EV_P) |
2293 | periodics_reify (EV_P) |
2039 | { |
2294 | { |
2040 | EV_FREQUENT_CHECK; |
2295 | EV_FREQUENT_CHECK; |
… | |
… | |
2059 | ANHE_at_cache (periodics [HEAP0]); |
2314 | ANHE_at_cache (periodics [HEAP0]); |
2060 | downheap (periodics, periodiccnt, HEAP0); |
2315 | downheap (periodics, periodiccnt, HEAP0); |
2061 | } |
2316 | } |
2062 | else if (w->interval) |
2317 | else if (w->interval) |
2063 | { |
2318 | { |
2064 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2319 | periodic_recalc (EV_A_ w); |
2065 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2066 | /* this might happen because of floating point inexactness */ |
|
|
2067 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2068 | { |
|
|
2069 | ev_at (w) += w->interval; |
|
|
2070 | |
|
|
2071 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2072 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2073 | /* has effectively asked to get triggered more often than possible */ |
|
|
2074 | if (ev_at (w) < ev_rt_now) |
|
|
2075 | ev_at (w) = ev_rt_now; |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | ANHE_at_cache (periodics [HEAP0]); |
2320 | ANHE_at_cache (periodics [HEAP0]); |
2079 | downheap (periodics, periodiccnt, HEAP0); |
2321 | downheap (periodics, periodiccnt, HEAP0); |
2080 | } |
2322 | } |
2081 | else |
2323 | else |
2082 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2324 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2089 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2331 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2090 | } |
2332 | } |
2091 | } |
2333 | } |
2092 | |
2334 | |
2093 | /* simply recalculate all periodics */ |
2335 | /* simply recalculate all periodics */ |
2094 | /* 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? */ |
2095 | static void noinline |
2337 | static void noinline |
2096 | periodics_reschedule (EV_P) |
2338 | periodics_reschedule (EV_P) |
2097 | { |
2339 | { |
2098 | int i; |
2340 | int i; |
2099 | |
2341 | |
… | |
… | |
2103 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2345 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2104 | |
2346 | |
2105 | if (w->reschedule_cb) |
2347 | if (w->reschedule_cb) |
2106 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2348 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2107 | else if (w->interval) |
2349 | else if (w->interval) |
2108 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2350 | periodic_recalc (EV_A_ w); |
2109 | |
2351 | |
2110 | ANHE_at_cache (periodics [i]); |
2352 | ANHE_at_cache (periodics [i]); |
2111 | } |
2353 | } |
2112 | |
2354 | |
2113 | reheap (periodics, periodiccnt); |
2355 | reheap (periodics, periodiccnt); |
… | |
… | |
2127 | ANHE_at_cache (*he); |
2369 | ANHE_at_cache (*he); |
2128 | } |
2370 | } |
2129 | } |
2371 | } |
2130 | |
2372 | |
2131 | /* fetch new monotonic and realtime times from the kernel */ |
2373 | /* fetch new monotonic and realtime times from the kernel */ |
2132 | /* also detetc if there was a timejump, and act accordingly */ |
2374 | /* also detect if there was a timejump, and act accordingly */ |
2133 | inline_speed void |
2375 | inline_speed void |
2134 | time_update (EV_P_ ev_tstamp max_block) |
2376 | time_update (EV_P_ ev_tstamp max_block) |
2135 | { |
2377 | { |
2136 | #if EV_USE_MONOTONIC |
2378 | #if EV_USE_MONOTONIC |
2137 | if (expect_true (have_monotonic)) |
2379 | if (expect_true (have_monotonic)) |
… | |
… | |
2160 | * 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 |
2161 | * in the unlikely event of having been preempted here. |
2403 | * in the unlikely event of having been preempted here. |
2162 | */ |
2404 | */ |
2163 | for (i = 4; --i; ) |
2405 | for (i = 4; --i; ) |
2164 | { |
2406 | { |
|
|
2407 | ev_tstamp diff; |
2165 | rtmn_diff = ev_rt_now - mn_now; |
2408 | rtmn_diff = ev_rt_now - mn_now; |
2166 | |
2409 | |
|
|
2410 | diff = odiff - rtmn_diff; |
|
|
2411 | |
2167 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2412 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2168 | return; /* all is well */ |
2413 | return; /* all is well */ |
2169 | |
2414 | |
2170 | ev_rt_now = ev_time (); |
2415 | ev_rt_now = ev_time (); |
2171 | mn_now = get_clock (); |
2416 | mn_now = get_clock (); |
2172 | now_floor = mn_now; |
2417 | now_floor = mn_now; |
… | |
… | |
2195 | mn_now = ev_rt_now; |
2440 | mn_now = ev_rt_now; |
2196 | } |
2441 | } |
2197 | } |
2442 | } |
2198 | |
2443 | |
2199 | void |
2444 | void |
2200 | ev_loop (EV_P_ int flags) |
2445 | ev_run (EV_P_ int flags) |
2201 | { |
2446 | { |
2202 | #if EV_MINIMAL < 2 |
2447 | #if EV_FEATURE_API |
2203 | ++loop_depth; |
2448 | ++loop_depth; |
2204 | #endif |
2449 | #endif |
2205 | |
2450 | |
2206 | 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)); |
2207 | |
2452 | |
2208 | loop_done = EVUNLOOP_CANCEL; |
2453 | loop_done = EVBREAK_CANCEL; |
2209 | |
2454 | |
2210 | 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 */ |
2211 | |
2456 | |
2212 | do |
2457 | do |
2213 | { |
2458 | { |
2214 | #if EV_VERIFY >= 2 |
2459 | #if EV_VERIFY >= 2 |
2215 | ev_loop_verify (EV_A); |
2460 | ev_verify (EV_A); |
2216 | #endif |
2461 | #endif |
2217 | |
2462 | |
2218 | #ifndef _WIN32 |
2463 | #ifndef _WIN32 |
2219 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2464 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2220 | if (expect_false (getpid () != curpid)) |
2465 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2232 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2477 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2233 | EV_INVOKE_PENDING; |
2478 | EV_INVOKE_PENDING; |
2234 | } |
2479 | } |
2235 | #endif |
2480 | #endif |
2236 | |
2481 | |
|
|
2482 | #if EV_PREPARE_ENABLE |
2237 | /* queue prepare watchers (and execute them) */ |
2483 | /* queue prepare watchers (and execute them) */ |
2238 | if (expect_false (preparecnt)) |
2484 | if (expect_false (preparecnt)) |
2239 | { |
2485 | { |
2240 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2486 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2241 | EV_INVOKE_PENDING; |
2487 | EV_INVOKE_PENDING; |
2242 | } |
2488 | } |
|
|
2489 | #endif |
2243 | |
2490 | |
2244 | if (expect_false (loop_done)) |
2491 | if (expect_false (loop_done)) |
2245 | break; |
2492 | break; |
2246 | |
2493 | |
2247 | /* we might have forked, so reify kernel state if necessary */ |
2494 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2254 | /* calculate blocking time */ |
2501 | /* calculate blocking time */ |
2255 | { |
2502 | { |
2256 | ev_tstamp waittime = 0.; |
2503 | ev_tstamp waittime = 0.; |
2257 | ev_tstamp sleeptime = 0.; |
2504 | ev_tstamp sleeptime = 0.; |
2258 | |
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 | |
2259 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2512 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2260 | { |
2513 | { |
2261 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2262 | ev_tstamp prev_mn_now = mn_now; |
|
|
2263 | |
|
|
2264 | /* update time to cancel out callback processing overhead */ |
|
|
2265 | time_update (EV_A_ 1e100); |
|
|
2266 | |
|
|
2267 | waittime = MAX_BLOCKTIME; |
2514 | waittime = MAX_BLOCKTIME; |
2268 | |
2515 | |
2269 | if (timercnt) |
2516 | if (timercnt) |
2270 | { |
2517 | { |
2271 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2518 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2298 | waittime -= sleeptime; |
2545 | waittime -= sleeptime; |
2299 | } |
2546 | } |
2300 | } |
2547 | } |
2301 | } |
2548 | } |
2302 | |
2549 | |
2303 | #if EV_MINIMAL < 2 |
2550 | #if EV_FEATURE_API |
2304 | ++loop_count; |
2551 | ++loop_count; |
2305 | #endif |
2552 | #endif |
2306 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2553 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2307 | backend_poll (EV_A_ waittime); |
2554 | backend_poll (EV_A_ waittime); |
2308 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2555 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2309 | |
2556 | |
2310 | /* update ev_rt_now, do magic */ |
2557 | /* update ev_rt_now, do magic */ |
2311 | time_update (EV_A_ waittime + sleeptime); |
2558 | time_update (EV_A_ waittime + sleeptime); |
2312 | } |
2559 | } |
2313 | |
2560 | |
… | |
… | |
2320 | #if EV_IDLE_ENABLE |
2567 | #if EV_IDLE_ENABLE |
2321 | /* queue idle watchers unless other events are pending */ |
2568 | /* queue idle watchers unless other events are pending */ |
2322 | idle_reify (EV_A); |
2569 | idle_reify (EV_A); |
2323 | #endif |
2570 | #endif |
2324 | |
2571 | |
|
|
2572 | #if EV_CHECK_ENABLE |
2325 | /* queue check watchers, to be executed first */ |
2573 | /* queue check watchers, to be executed first */ |
2326 | if (expect_false (checkcnt)) |
2574 | if (expect_false (checkcnt)) |
2327 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2575 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2576 | #endif |
2328 | |
2577 | |
2329 | EV_INVOKE_PENDING; |
2578 | EV_INVOKE_PENDING; |
2330 | } |
2579 | } |
2331 | while (expect_true ( |
2580 | while (expect_true ( |
2332 | activecnt |
2581 | activecnt |
2333 | && !loop_done |
2582 | && !loop_done |
2334 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2583 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2335 | )); |
2584 | )); |
2336 | |
2585 | |
2337 | if (loop_done == EVUNLOOP_ONE) |
2586 | if (loop_done == EVBREAK_ONE) |
2338 | loop_done = EVUNLOOP_CANCEL; |
2587 | loop_done = EVBREAK_CANCEL; |
2339 | |
2588 | |
2340 | #if EV_MINIMAL < 2 |
2589 | #if EV_FEATURE_API |
2341 | --loop_depth; |
2590 | --loop_depth; |
2342 | #endif |
2591 | #endif |
2343 | } |
2592 | } |
2344 | |
2593 | |
2345 | void |
2594 | void |
2346 | ev_unloop (EV_P_ int how) |
2595 | ev_break (EV_P_ int how) |
2347 | { |
2596 | { |
2348 | loop_done = how; |
2597 | loop_done = how; |
2349 | } |
2598 | } |
2350 | |
2599 | |
2351 | void |
2600 | void |
… | |
… | |
2471 | |
2720 | |
2472 | if (expect_false (ev_is_active (w))) |
2721 | if (expect_false (ev_is_active (w))) |
2473 | return; |
2722 | return; |
2474 | |
2723 | |
2475 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2724 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2476 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2725 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2477 | |
2726 | |
2478 | EV_FREQUENT_CHECK; |
2727 | EV_FREQUENT_CHECK; |
2479 | |
2728 | |
2480 | ev_start (EV_A_ (W)w, 1); |
2729 | ev_start (EV_A_ (W)w, 1); |
2481 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2730 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2499 | EV_FREQUENT_CHECK; |
2748 | EV_FREQUENT_CHECK; |
2500 | |
2749 | |
2501 | wlist_del (&anfds[w->fd].head, (WL)w); |
2750 | wlist_del (&anfds[w->fd].head, (WL)w); |
2502 | ev_stop (EV_A_ (W)w); |
2751 | ev_stop (EV_A_ (W)w); |
2503 | |
2752 | |
2504 | fd_change (EV_A_ w->fd, 1); |
2753 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2505 | |
2754 | |
2506 | EV_FREQUENT_CHECK; |
2755 | EV_FREQUENT_CHECK; |
2507 | } |
2756 | } |
2508 | |
2757 | |
2509 | void noinline |
2758 | void noinline |
… | |
… | |
2551 | timers [active] = timers [timercnt + HEAP0]; |
2800 | timers [active] = timers [timercnt + HEAP0]; |
2552 | adjustheap (timers, timercnt, active); |
2801 | adjustheap (timers, timercnt, active); |
2553 | } |
2802 | } |
2554 | } |
2803 | } |
2555 | |
2804 | |
2556 | EV_FREQUENT_CHECK; |
|
|
2557 | |
|
|
2558 | ev_at (w) -= mn_now; |
2805 | ev_at (w) -= mn_now; |
2559 | |
2806 | |
2560 | ev_stop (EV_A_ (W)w); |
2807 | ev_stop (EV_A_ (W)w); |
|
|
2808 | |
|
|
2809 | EV_FREQUENT_CHECK; |
2561 | } |
2810 | } |
2562 | |
2811 | |
2563 | void noinline |
2812 | void noinline |
2564 | ev_timer_again (EV_P_ ev_timer *w) |
2813 | ev_timer_again (EV_P_ ev_timer *w) |
2565 | { |
2814 | { |
… | |
… | |
2601 | if (w->reschedule_cb) |
2850 | if (w->reschedule_cb) |
2602 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2851 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2603 | else if (w->interval) |
2852 | else if (w->interval) |
2604 | { |
2853 | { |
2605 | 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.)); |
2606 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2855 | periodic_recalc (EV_A_ w); |
2607 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2608 | } |
2856 | } |
2609 | else |
2857 | else |
2610 | ev_at (w) = w->offset; |
2858 | ev_at (w) = w->offset; |
2611 | |
2859 | |
2612 | EV_FREQUENT_CHECK; |
2860 | EV_FREQUENT_CHECK; |
… | |
… | |
2644 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2892 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2645 | adjustheap (periodics, periodiccnt, active); |
2893 | adjustheap (periodics, periodiccnt, active); |
2646 | } |
2894 | } |
2647 | } |
2895 | } |
2648 | |
2896 | |
2649 | EV_FREQUENT_CHECK; |
|
|
2650 | |
|
|
2651 | ev_stop (EV_A_ (W)w); |
2897 | ev_stop (EV_A_ (W)w); |
|
|
2898 | |
|
|
2899 | EV_FREQUENT_CHECK; |
2652 | } |
2900 | } |
2653 | |
2901 | |
2654 | void noinline |
2902 | void noinline |
2655 | ev_periodic_again (EV_P_ ev_periodic *w) |
2903 | ev_periodic_again (EV_P_ ev_periodic *w) |
2656 | { |
2904 | { |
… | |
… | |
2662 | |
2910 | |
2663 | #ifndef SA_RESTART |
2911 | #ifndef SA_RESTART |
2664 | # define SA_RESTART 0 |
2912 | # define SA_RESTART 0 |
2665 | #endif |
2913 | #endif |
2666 | |
2914 | |
|
|
2915 | #if EV_SIGNAL_ENABLE |
|
|
2916 | |
2667 | void noinline |
2917 | void noinline |
2668 | ev_signal_start (EV_P_ ev_signal *w) |
2918 | ev_signal_start (EV_P_ ev_signal *w) |
2669 | { |
2919 | { |
2670 | if (expect_false (ev_is_active (w))) |
2920 | if (expect_false (ev_is_active (w))) |
2671 | return; |
2921 | return; |
2672 | |
2922 | |
2673 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2923 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2674 | |
2924 | |
2675 | #if EV_MULTIPLICITY |
2925 | #if EV_MULTIPLICITY |
2676 | assert (("libev: tried to attach to a signal from two different loops", |
2926 | assert (("libev: a signal must not be attached to two different loops", |
2677 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2927 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2678 | |
2928 | |
2679 | signals [w->signum - 1].loop = EV_A; |
2929 | signals [w->signum - 1].loop = EV_A; |
2680 | #endif |
2930 | #endif |
2681 | |
2931 | |
… | |
… | |
2717 | if (!((WL)w)->next) |
2967 | if (!((WL)w)->next) |
2718 | # if EV_USE_SIGNALFD |
2968 | # if EV_USE_SIGNALFD |
2719 | if (sigfd < 0) /*TODO*/ |
2969 | if (sigfd < 0) /*TODO*/ |
2720 | # endif |
2970 | # endif |
2721 | { |
2971 | { |
2722 | # if _WIN32 |
2972 | # ifdef _WIN32 |
|
|
2973 | evpipe_init (EV_A); |
|
|
2974 | |
2723 | signal (w->signum, ev_sighandler); |
2975 | signal (w->signum, ev_sighandler); |
2724 | # else |
2976 | # else |
2725 | struct sigaction sa; |
2977 | struct sigaction sa; |
2726 | |
2978 | |
2727 | evpipe_init (EV_A); |
2979 | evpipe_init (EV_A); |
… | |
… | |
2729 | sa.sa_handler = ev_sighandler; |
2981 | sa.sa_handler = ev_sighandler; |
2730 | sigfillset (&sa.sa_mask); |
2982 | sigfillset (&sa.sa_mask); |
2731 | 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 */ |
2732 | sigaction (w->signum, &sa, 0); |
2984 | sigaction (w->signum, &sa, 0); |
2733 | |
2985 | |
|
|
2986 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2987 | { |
2734 | sigemptyset (&sa.sa_mask); |
2988 | sigemptyset (&sa.sa_mask); |
2735 | sigaddset (&sa.sa_mask, w->signum); |
2989 | sigaddset (&sa.sa_mask, w->signum); |
2736 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2990 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2991 | } |
2737 | #endif |
2992 | #endif |
2738 | } |
2993 | } |
2739 | |
2994 | |
2740 | EV_FREQUENT_CHECK; |
2995 | EV_FREQUENT_CHECK; |
2741 | } |
2996 | } |
… | |
… | |
2758 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
3013 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2759 | #endif |
3014 | #endif |
2760 | #if EV_USE_SIGNALFD |
3015 | #if EV_USE_SIGNALFD |
2761 | if (sigfd >= 0) |
3016 | if (sigfd >= 0) |
2762 | { |
3017 | { |
2763 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
3018 | sigset_t ss; |
|
|
3019 | |
|
|
3020 | sigemptyset (&ss); |
|
|
3021 | sigaddset (&ss, w->signum); |
2764 | sigdelset (&sigfd_set, w->signum); |
3022 | sigdelset (&sigfd_set, w->signum); |
|
|
3023 | |
2765 | signalfd (sigfd, &sigfd_set, 0); |
3024 | signalfd (sigfd, &sigfd_set, 0); |
2766 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
3025 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2767 | /*TODO: maybe unblock signal? */ |
|
|
2768 | } |
3026 | } |
2769 | else |
3027 | else |
2770 | #endif |
3028 | #endif |
2771 | signal (w->signum, SIG_DFL); |
3029 | signal (w->signum, SIG_DFL); |
2772 | } |
3030 | } |
2773 | |
3031 | |
2774 | EV_FREQUENT_CHECK; |
3032 | EV_FREQUENT_CHECK; |
2775 | } |
3033 | } |
2776 | |
3034 | |
|
|
3035 | #endif |
|
|
3036 | |
|
|
3037 | #if EV_CHILD_ENABLE |
|
|
3038 | |
2777 | void |
3039 | void |
2778 | ev_child_start (EV_P_ ev_child *w) |
3040 | ev_child_start (EV_P_ ev_child *w) |
2779 | { |
3041 | { |
2780 | #if EV_MULTIPLICITY |
3042 | #if EV_MULTIPLICITY |
2781 | 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)); |
… | |
… | |
2784 | return; |
3046 | return; |
2785 | |
3047 | |
2786 | EV_FREQUENT_CHECK; |
3048 | EV_FREQUENT_CHECK; |
2787 | |
3049 | |
2788 | ev_start (EV_A_ (W)w, 1); |
3050 | ev_start (EV_A_ (W)w, 1); |
2789 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3051 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2790 | |
3052 | |
2791 | EV_FREQUENT_CHECK; |
3053 | EV_FREQUENT_CHECK; |
2792 | } |
3054 | } |
2793 | |
3055 | |
2794 | void |
3056 | void |
… | |
… | |
2798 | if (expect_false (!ev_is_active (w))) |
3060 | if (expect_false (!ev_is_active (w))) |
2799 | return; |
3061 | return; |
2800 | |
3062 | |
2801 | EV_FREQUENT_CHECK; |
3063 | EV_FREQUENT_CHECK; |
2802 | |
3064 | |
2803 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3065 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2804 | ev_stop (EV_A_ (W)w); |
3066 | ev_stop (EV_A_ (W)w); |
2805 | |
3067 | |
2806 | EV_FREQUENT_CHECK; |
3068 | EV_FREQUENT_CHECK; |
2807 | } |
3069 | } |
|
|
3070 | |
|
|
3071 | #endif |
2808 | |
3072 | |
2809 | #if EV_STAT_ENABLE |
3073 | #if EV_STAT_ENABLE |
2810 | |
3074 | |
2811 | # ifdef _WIN32 |
3075 | # ifdef _WIN32 |
2812 | # undef lstat |
3076 | # undef lstat |
… | |
… | |
2818 | #define MIN_STAT_INTERVAL 0.1074891 |
3082 | #define MIN_STAT_INTERVAL 0.1074891 |
2819 | |
3083 | |
2820 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3084 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2821 | |
3085 | |
2822 | #if EV_USE_INOTIFY |
3086 | #if EV_USE_INOTIFY |
2823 | # define EV_INOTIFY_BUFSIZE 8192 |
3087 | |
|
|
3088 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3089 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2824 | |
3090 | |
2825 | static void noinline |
3091 | static void noinline |
2826 | infy_add (EV_P_ ev_stat *w) |
3092 | infy_add (EV_P_ ev_stat *w) |
2827 | { |
3093 | { |
2828 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
3094 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2829 | |
3095 | |
2830 | if (w->wd < 0) |
3096 | if (w->wd >= 0) |
|
|
3097 | { |
|
|
3098 | struct statfs sfs; |
|
|
3099 | |
|
|
3100 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3101 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3102 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3103 | |
|
|
3104 | if (!fs_2625) |
|
|
3105 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3106 | else if (!statfs (w->path, &sfs) |
|
|
3107 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3108 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3109 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3110 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3111 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3112 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3113 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3114 | else |
|
|
3115 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2831 | { |
3116 | } |
|
|
3117 | else |
|
|
3118 | { |
|
|
3119 | /* can't use inotify, continue to stat */ |
2832 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
3120 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2833 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2834 | |
3121 | |
2835 | /* monitor some parent directory for speedup hints */ |
3122 | /* if path is not there, monitor some parent directory for speedup hints */ |
2836 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
3123 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2837 | /* but an efficiency issue only */ |
3124 | /* but an efficiency issue only */ |
2838 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3125 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2839 | { |
3126 | { |
2840 | char path [4096]; |
3127 | char path [4096]; |
… | |
… | |
2850 | if (!pend || pend == path) |
3137 | if (!pend || pend == path) |
2851 | break; |
3138 | break; |
2852 | |
3139 | |
2853 | *pend = 0; |
3140 | *pend = 0; |
2854 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3141 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2855 | } |
3142 | } |
2856 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3143 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2857 | } |
3144 | } |
2858 | } |
3145 | } |
2859 | |
3146 | |
2860 | if (w->wd >= 0) |
3147 | if (w->wd >= 0) |
2861 | { |
|
|
2862 | 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); |
2863 | |
3149 | |
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
3150 | /* now re-arm timer, if required */ |
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
3151 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2873 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2874 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2875 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2879 | ev_timer_again (EV_A_ &w->timer); |
3152 | ev_timer_again (EV_A_ &w->timer); |
2880 | } |
3153 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2881 | } |
3154 | } |
2882 | |
3155 | |
2883 | static void noinline |
3156 | static void noinline |
2884 | infy_del (EV_P_ ev_stat *w) |
3157 | infy_del (EV_P_ ev_stat *w) |
2885 | { |
3158 | { |
… | |
… | |
2888 | |
3161 | |
2889 | if (wd < 0) |
3162 | if (wd < 0) |
2890 | return; |
3163 | return; |
2891 | |
3164 | |
2892 | w->wd = -2; |
3165 | w->wd = -2; |
2893 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3166 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2894 | wlist_del (&fs_hash [slot].head, (WL)w); |
3167 | wlist_del (&fs_hash [slot].head, (WL)w); |
2895 | |
3168 | |
2896 | /* remove this watcher, if others are watching it, they will rearm */ |
3169 | /* remove this watcher, if others are watching it, they will rearm */ |
2897 | inotify_rm_watch (fs_fd, wd); |
3170 | inotify_rm_watch (fs_fd, wd); |
2898 | } |
3171 | } |
… | |
… | |
2900 | static void noinline |
3173 | static void noinline |
2901 | 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) |
2902 | { |
3175 | { |
2903 | if (slot < 0) |
3176 | if (slot < 0) |
2904 | /* overflow, need to check for all hash slots */ |
3177 | /* overflow, need to check for all hash slots */ |
2905 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3178 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2906 | infy_wd (EV_A_ slot, wd, ev); |
3179 | infy_wd (EV_A_ slot, wd, ev); |
2907 | else |
3180 | else |
2908 | { |
3181 | { |
2909 | WL w_; |
3182 | WL w_; |
2910 | |
3183 | |
2911 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3184 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2912 | { |
3185 | { |
2913 | ev_stat *w = (ev_stat *)w_; |
3186 | ev_stat *w = (ev_stat *)w_; |
2914 | 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 */ |
2915 | |
3188 | |
2916 | if (w->wd == wd || wd == -1) |
3189 | if (w->wd == wd || wd == -1) |
2917 | { |
3190 | { |
2918 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3191 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2919 | { |
3192 | { |
2920 | 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); |
2921 | w->wd = -1; |
3194 | w->wd = -1; |
2922 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3195 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2923 | } |
3196 | } |
2924 | |
3197 | |
2925 | stat_timer_cb (EV_A_ &w->timer, 0); |
3198 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2930 | |
3203 | |
2931 | static void |
3204 | static void |
2932 | infy_cb (EV_P_ ev_io *w, int revents) |
3205 | infy_cb (EV_P_ ev_io *w, int revents) |
2933 | { |
3206 | { |
2934 | char buf [EV_INOTIFY_BUFSIZE]; |
3207 | char buf [EV_INOTIFY_BUFSIZE]; |
2935 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2936 | int ofs; |
3208 | int ofs; |
2937 | int len = read (fs_fd, buf, sizeof (buf)); |
3209 | int len = read (fs_fd, buf, sizeof (buf)); |
2938 | |
3210 | |
2939 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3211 | for (ofs = 0; ofs < len; ) |
|
|
3212 | { |
|
|
3213 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2940 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3214 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3215 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3216 | } |
2941 | } |
3217 | } |
2942 | |
3218 | |
2943 | inline_size void |
3219 | inline_size void |
2944 | check_2625 (EV_P) |
3220 | ev_check_2625 (EV_P) |
2945 | { |
3221 | { |
2946 | /* kernels < 2.6.25 are borked |
3222 | /* kernels < 2.6.25 are borked |
2947 | * 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 |
2948 | */ |
3224 | */ |
2949 | struct utsname buf; |
3225 | if (ev_linux_version () < 0x020619) |
2950 | int major, minor, micro; |
|
|
2951 | |
|
|
2952 | if (uname (&buf)) |
|
|
2953 | return; |
3226 | return; |
2954 | |
3227 | |
2955 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2956 | return; |
|
|
2957 | |
|
|
2958 | if (major < 2 |
|
|
2959 | || (major == 2 && minor < 6) |
|
|
2960 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2961 | return; |
|
|
2962 | |
|
|
2963 | fs_2625 = 1; |
3228 | fs_2625 = 1; |
|
|
3229 | } |
|
|
3230 | |
|
|
3231 | inline_size int |
|
|
3232 | infy_newfd (void) |
|
|
3233 | { |
|
|
3234 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3235 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3236 | if (fd >= 0) |
|
|
3237 | return fd; |
|
|
3238 | #endif |
|
|
3239 | return inotify_init (); |
2964 | } |
3240 | } |
2965 | |
3241 | |
2966 | inline_size void |
3242 | inline_size void |
2967 | infy_init (EV_P) |
3243 | infy_init (EV_P) |
2968 | { |
3244 | { |
2969 | if (fs_fd != -2) |
3245 | if (fs_fd != -2) |
2970 | return; |
3246 | return; |
2971 | |
3247 | |
2972 | fs_fd = -1; |
3248 | fs_fd = -1; |
2973 | |
3249 | |
2974 | check_2625 (EV_A); |
3250 | ev_check_2625 (EV_A); |
2975 | |
3251 | |
2976 | fs_fd = inotify_init (); |
3252 | fs_fd = infy_newfd (); |
2977 | |
3253 | |
2978 | if (fs_fd >= 0) |
3254 | if (fs_fd >= 0) |
2979 | { |
3255 | { |
|
|
3256 | fd_intern (fs_fd); |
2980 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3257 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
3258 | ev_set_priority (&fs_w, EV_MAXPRI); |
2982 | ev_io_start (EV_A_ &fs_w); |
3259 | ev_io_start (EV_A_ &fs_w); |
|
|
3260 | ev_unref (EV_A); |
2983 | } |
3261 | } |
2984 | } |
3262 | } |
2985 | |
3263 | |
2986 | inline_size void |
3264 | inline_size void |
2987 | infy_fork (EV_P) |
3265 | infy_fork (EV_P) |
… | |
… | |
2989 | int slot; |
3267 | int slot; |
2990 | |
3268 | |
2991 | if (fs_fd < 0) |
3269 | if (fs_fd < 0) |
2992 | return; |
3270 | return; |
2993 | |
3271 | |
|
|
3272 | ev_ref (EV_A); |
|
|
3273 | ev_io_stop (EV_A_ &fs_w); |
2994 | close (fs_fd); |
3274 | close (fs_fd); |
2995 | fs_fd = inotify_init (); |
3275 | fs_fd = infy_newfd (); |
2996 | |
3276 | |
|
|
3277 | if (fs_fd >= 0) |
|
|
3278 | { |
|
|
3279 | fd_intern (fs_fd); |
|
|
3280 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3281 | ev_io_start (EV_A_ &fs_w); |
|
|
3282 | ev_unref (EV_A); |
|
|
3283 | } |
|
|
3284 | |
2997 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3285 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2998 | { |
3286 | { |
2999 | WL w_ = fs_hash [slot].head; |
3287 | WL w_ = fs_hash [slot].head; |
3000 | fs_hash [slot].head = 0; |
3288 | fs_hash [slot].head = 0; |
3001 | |
3289 | |
3002 | while (w_) |
3290 | while (w_) |
… | |
… | |
3007 | w->wd = -1; |
3295 | w->wd = -1; |
3008 | |
3296 | |
3009 | if (fs_fd >= 0) |
3297 | if (fs_fd >= 0) |
3010 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3298 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3011 | else |
3299 | else |
|
|
3300 | { |
|
|
3301 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3302 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3012 | ev_timer_again (EV_A_ &w->timer); |
3303 | ev_timer_again (EV_A_ &w->timer); |
|
|
3304 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3305 | } |
3013 | } |
3306 | } |
3014 | } |
3307 | } |
3015 | } |
3308 | } |
3016 | |
3309 | |
3017 | #endif |
3310 | #endif |
… | |
… | |
3034 | static void noinline |
3327 | static void noinline |
3035 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3328 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3036 | { |
3329 | { |
3037 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3330 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3038 | |
3331 | |
3039 | /* we copy this here each the time so that */ |
3332 | ev_statdata prev = w->attr; |
3040 | /* prev has the old value when the callback gets invoked */ |
|
|
3041 | w->prev = w->attr; |
|
|
3042 | ev_stat_stat (EV_A_ w); |
3333 | ev_stat_stat (EV_A_ w); |
3043 | |
3334 | |
3044 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3335 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3045 | if ( |
3336 | if ( |
3046 | w->prev.st_dev != w->attr.st_dev |
3337 | prev.st_dev != w->attr.st_dev |
3047 | || w->prev.st_ino != w->attr.st_ino |
3338 | || prev.st_ino != w->attr.st_ino |
3048 | || w->prev.st_mode != w->attr.st_mode |
3339 | || prev.st_mode != w->attr.st_mode |
3049 | || w->prev.st_nlink != w->attr.st_nlink |
3340 | || prev.st_nlink != w->attr.st_nlink |
3050 | || w->prev.st_uid != w->attr.st_uid |
3341 | || prev.st_uid != w->attr.st_uid |
3051 | || w->prev.st_gid != w->attr.st_gid |
3342 | || prev.st_gid != w->attr.st_gid |
3052 | || w->prev.st_rdev != w->attr.st_rdev |
3343 | || prev.st_rdev != w->attr.st_rdev |
3053 | || w->prev.st_size != w->attr.st_size |
3344 | || prev.st_size != w->attr.st_size |
3054 | || w->prev.st_atime != w->attr.st_atime |
3345 | || prev.st_atime != w->attr.st_atime |
3055 | || w->prev.st_mtime != w->attr.st_mtime |
3346 | || prev.st_mtime != w->attr.st_mtime |
3056 | || w->prev.st_ctime != w->attr.st_ctime |
3347 | || prev.st_ctime != w->attr.st_ctime |
3057 | ) { |
3348 | ) { |
|
|
3349 | /* we only update w->prev on actual differences */ |
|
|
3350 | /* in case we test more often than invoke the callback, */ |
|
|
3351 | /* to ensure that prev is always different to attr */ |
|
|
3352 | w->prev = prev; |
|
|
3353 | |
3058 | #if EV_USE_INOTIFY |
3354 | #if EV_USE_INOTIFY |
3059 | if (fs_fd >= 0) |
3355 | if (fs_fd >= 0) |
3060 | { |
3356 | { |
3061 | infy_del (EV_A_ w); |
3357 | infy_del (EV_A_ w); |
3062 | infy_add (EV_A_ w); |
3358 | infy_add (EV_A_ w); |
… | |
… | |
3087 | |
3383 | |
3088 | if (fs_fd >= 0) |
3384 | if (fs_fd >= 0) |
3089 | infy_add (EV_A_ w); |
3385 | infy_add (EV_A_ w); |
3090 | else |
3386 | else |
3091 | #endif |
3387 | #endif |
|
|
3388 | { |
3092 | ev_timer_again (EV_A_ &w->timer); |
3389 | ev_timer_again (EV_A_ &w->timer); |
|
|
3390 | ev_unref (EV_A); |
|
|
3391 | } |
3093 | |
3392 | |
3094 | ev_start (EV_A_ (W)w, 1); |
3393 | ev_start (EV_A_ (W)w, 1); |
3095 | |
3394 | |
3096 | EV_FREQUENT_CHECK; |
3395 | EV_FREQUENT_CHECK; |
3097 | } |
3396 | } |
… | |
… | |
3106 | EV_FREQUENT_CHECK; |
3405 | EV_FREQUENT_CHECK; |
3107 | |
3406 | |
3108 | #if EV_USE_INOTIFY |
3407 | #if EV_USE_INOTIFY |
3109 | infy_del (EV_A_ w); |
3408 | infy_del (EV_A_ w); |
3110 | #endif |
3409 | #endif |
|
|
3410 | |
|
|
3411 | if (ev_is_active (&w->timer)) |
|
|
3412 | { |
|
|
3413 | ev_ref (EV_A); |
3111 | ev_timer_stop (EV_A_ &w->timer); |
3414 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3415 | } |
3112 | |
3416 | |
3113 | ev_stop (EV_A_ (W)w); |
3417 | ev_stop (EV_A_ (W)w); |
3114 | |
3418 | |
3115 | EV_FREQUENT_CHECK; |
3419 | EV_FREQUENT_CHECK; |
3116 | } |
3420 | } |
… | |
… | |
3161 | |
3465 | |
3162 | EV_FREQUENT_CHECK; |
3466 | EV_FREQUENT_CHECK; |
3163 | } |
3467 | } |
3164 | #endif |
3468 | #endif |
3165 | |
3469 | |
|
|
3470 | #if EV_PREPARE_ENABLE |
3166 | void |
3471 | void |
3167 | ev_prepare_start (EV_P_ ev_prepare *w) |
3472 | ev_prepare_start (EV_P_ ev_prepare *w) |
3168 | { |
3473 | { |
3169 | if (expect_false (ev_is_active (w))) |
3474 | if (expect_false (ev_is_active (w))) |
3170 | return; |
3475 | return; |
… | |
… | |
3196 | |
3501 | |
3197 | ev_stop (EV_A_ (W)w); |
3502 | ev_stop (EV_A_ (W)w); |
3198 | |
3503 | |
3199 | EV_FREQUENT_CHECK; |
3504 | EV_FREQUENT_CHECK; |
3200 | } |
3505 | } |
|
|
3506 | #endif |
3201 | |
3507 | |
|
|
3508 | #if EV_CHECK_ENABLE |
3202 | void |
3509 | void |
3203 | ev_check_start (EV_P_ ev_check *w) |
3510 | ev_check_start (EV_P_ ev_check *w) |
3204 | { |
3511 | { |
3205 | if (expect_false (ev_is_active (w))) |
3512 | if (expect_false (ev_is_active (w))) |
3206 | return; |
3513 | return; |
… | |
… | |
3232 | |
3539 | |
3233 | ev_stop (EV_A_ (W)w); |
3540 | ev_stop (EV_A_ (W)w); |
3234 | |
3541 | |
3235 | EV_FREQUENT_CHECK; |
3542 | EV_FREQUENT_CHECK; |
3236 | } |
3543 | } |
|
|
3544 | #endif |
3237 | |
3545 | |
3238 | #if EV_EMBED_ENABLE |
3546 | #if EV_EMBED_ENABLE |
3239 | void noinline |
3547 | void noinline |
3240 | ev_embed_sweep (EV_P_ ev_embed *w) |
3548 | ev_embed_sweep (EV_P_ ev_embed *w) |
3241 | { |
3549 | { |
3242 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3550 | ev_run (w->other, EVRUN_NOWAIT); |
3243 | } |
3551 | } |
3244 | |
3552 | |
3245 | static void |
3553 | static void |
3246 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3554 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3247 | { |
3555 | { |
3248 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3556 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3249 | |
3557 | |
3250 | if (ev_cb (w)) |
3558 | if (ev_cb (w)) |
3251 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3559 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3252 | else |
3560 | else |
3253 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3561 | ev_run (w->other, EVRUN_NOWAIT); |
3254 | } |
3562 | } |
3255 | |
3563 | |
3256 | static void |
3564 | static void |
3257 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3565 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3258 | { |
3566 | { |
… | |
… | |
3262 | EV_P = w->other; |
3570 | EV_P = w->other; |
3263 | |
3571 | |
3264 | while (fdchangecnt) |
3572 | while (fdchangecnt) |
3265 | { |
3573 | { |
3266 | fd_reify (EV_A); |
3574 | fd_reify (EV_A); |
3267 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3575 | ev_run (EV_A_ EVRUN_NOWAIT); |
3268 | } |
3576 | } |
3269 | } |
3577 | } |
3270 | } |
3578 | } |
3271 | |
3579 | |
3272 | static void |
3580 | static void |
… | |
… | |
3278 | |
3586 | |
3279 | { |
3587 | { |
3280 | EV_P = w->other; |
3588 | EV_P = w->other; |
3281 | |
3589 | |
3282 | ev_loop_fork (EV_A); |
3590 | ev_loop_fork (EV_A); |
3283 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3591 | ev_run (EV_A_ EVRUN_NOWAIT); |
3284 | } |
3592 | } |
3285 | |
3593 | |
3286 | ev_embed_start (EV_A_ w); |
3594 | ev_embed_start (EV_A_ w); |
3287 | } |
3595 | } |
3288 | |
3596 | |
… | |
… | |
3336 | |
3644 | |
3337 | ev_io_stop (EV_A_ &w->io); |
3645 | ev_io_stop (EV_A_ &w->io); |
3338 | ev_prepare_stop (EV_A_ &w->prepare); |
3646 | ev_prepare_stop (EV_A_ &w->prepare); |
3339 | ev_fork_stop (EV_A_ &w->fork); |
3647 | ev_fork_stop (EV_A_ &w->fork); |
3340 | |
3648 | |
|
|
3649 | ev_stop (EV_A_ (W)w); |
|
|
3650 | |
3341 | EV_FREQUENT_CHECK; |
3651 | EV_FREQUENT_CHECK; |
3342 | } |
3652 | } |
3343 | #endif |
3653 | #endif |
3344 | |
3654 | |
3345 | #if EV_FORK_ENABLE |
3655 | #if EV_FORK_ENABLE |
… | |
… | |
3378 | |
3688 | |
3379 | EV_FREQUENT_CHECK; |
3689 | EV_FREQUENT_CHECK; |
3380 | } |
3690 | } |
3381 | #endif |
3691 | #endif |
3382 | |
3692 | |
3383 | #if EV_ASYNC_ENABLE |
3693 | #if EV_CLEANUP_ENABLE |
3384 | void |
3694 | void |
3385 | ev_async_start (EV_P_ ev_async *w) |
3695 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3386 | { |
3696 | { |
3387 | if (expect_false (ev_is_active (w))) |
3697 | if (expect_false (ev_is_active (w))) |
3388 | 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; |
3389 | |
3742 | |
3390 | evpipe_init (EV_A); |
3743 | evpipe_init (EV_A); |
3391 | |
3744 | |
3392 | EV_FREQUENT_CHECK; |
3745 | EV_FREQUENT_CHECK; |
3393 | |
3746 | |
… | |
… | |
3471 | { |
3824 | { |
3472 | 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)); |
3473 | |
3826 | |
3474 | if (expect_false (!once)) |
3827 | if (expect_false (!once)) |
3475 | { |
3828 | { |
3476 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3829 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3477 | return; |
3830 | return; |
3478 | } |
3831 | } |
3479 | |
3832 | |
3480 | once->cb = cb; |
3833 | once->cb = cb; |
3481 | once->arg = arg; |
3834 | once->arg = arg; |
… | |
… | |
3568 | if (types & EV_ASYNC) |
3921 | if (types & EV_ASYNC) |
3569 | for (i = asynccnt; i--; ) |
3922 | for (i = asynccnt; i--; ) |
3570 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3923 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3571 | #endif |
3924 | #endif |
3572 | |
3925 | |
|
|
3926 | #if EV_PREPARE_ENABLE |
3573 | if (types & EV_PREPARE) |
3927 | if (types & EV_PREPARE) |
3574 | for (i = preparecnt; i--; ) |
3928 | for (i = preparecnt; i--; ) |
3575 | #if EV_EMBED_ENABLE |
3929 | # if EV_EMBED_ENABLE |
3576 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3930 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3577 | #endif |
3931 | # endif |
3578 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3932 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3933 | #endif |
3579 | |
3934 | |
|
|
3935 | #if EV_CHECK_ENABLE |
3580 | if (types & EV_CHECK) |
3936 | if (types & EV_CHECK) |
3581 | for (i = checkcnt; i--; ) |
3937 | for (i = checkcnt; i--; ) |
3582 | cb (EV_A_ EV_CHECK, checks [i]); |
3938 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3939 | #endif |
3583 | |
3940 | |
|
|
3941 | #if EV_SIGNAL_ENABLE |
3584 | if (types & EV_SIGNAL) |
3942 | if (types & EV_SIGNAL) |
3585 | for (i = 0; i < EV_NSIG - 1; ++i) |
3943 | for (i = 0; i < EV_NSIG - 1; ++i) |
3586 | for (wl = signals [i].head; wl; ) |
3944 | for (wl = signals [i].head; wl; ) |
3587 | { |
3945 | { |
3588 | wn = wl->next; |
3946 | wn = wl->next; |
3589 | cb (EV_A_ EV_SIGNAL, wl); |
3947 | cb (EV_A_ EV_SIGNAL, wl); |
3590 | wl = wn; |
3948 | wl = wn; |
3591 | } |
3949 | } |
|
|
3950 | #endif |
3592 | |
3951 | |
|
|
3952 | #if EV_CHILD_ENABLE |
3593 | if (types & EV_CHILD) |
3953 | if (types & EV_CHILD) |
3594 | for (i = EV_PID_HASHSIZE; i--; ) |
3954 | for (i = (EV_PID_HASHSIZE); i--; ) |
3595 | for (wl = childs [i]; wl; ) |
3955 | for (wl = childs [i]; wl; ) |
3596 | { |
3956 | { |
3597 | wn = wl->next; |
3957 | wn = wl->next; |
3598 | cb (EV_A_ EV_CHILD, wl); |
3958 | cb (EV_A_ EV_CHILD, wl); |
3599 | wl = wn; |
3959 | wl = wn; |
3600 | } |
3960 | } |
|
|
3961 | #endif |
3601 | /* EV_STAT 0x00001000 /* stat data changed */ |
3962 | /* EV_STAT 0x00001000 /* stat data changed */ |
3602 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3963 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3603 | } |
3964 | } |
3604 | #endif |
3965 | #endif |
3605 | |
3966 | |
3606 | #if EV_MULTIPLICITY |
3967 | #if EV_MULTIPLICITY |
3607 | #include "ev_wrap.h" |
3968 | #include "ev_wrap.h" |
3608 | #endif |
3969 | #endif |
3609 | |
3970 | |
3610 | #ifdef __cplusplus |
3971 | EV_CPP(}) |
3611 | } |
|
|
3612 | #endif |
|
|
3613 | |
3972 | |