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 | |
114 | # ifndef EV_USE_KQUEUE |
|
|
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
121 | # ifndef EV_USE_KQUEUE |
117 | # else |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
118 | # define EV_USE_KQUEUE 0 |
|
|
119 | # endif |
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_KQUEUE |
|
|
126 | # define EV_USE_KQUEUE 0 |
120 | # endif |
127 | # endif |
121 | |
128 | |
122 | # ifndef EV_USE_PORT |
|
|
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
129 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
130 | # ifndef EV_USE_PORT |
125 | # else |
131 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
126 | # define EV_USE_PORT 0 |
|
|
127 | # endif |
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_PORT |
|
|
135 | # define EV_USE_PORT 0 |
128 | # endif |
136 | # endif |
129 | |
137 | |
130 | # ifndef EV_USE_INOTIFY |
|
|
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
138 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
139 | # ifndef EV_USE_INOTIFY |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
140 | # define EV_USE_INOTIFY EV_FEATURE_OS |
135 | # endif |
141 | # endif |
|
|
142 | # else |
|
|
143 | # undef EV_USE_INOTIFY |
|
|
144 | # define EV_USE_INOTIFY 0 |
136 | # endif |
145 | # endif |
137 | |
146 | |
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
148 | # ifndef EV_USE_SIGNALFD |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # endif |
150 | # endif |
|
|
151 | # else |
|
|
152 | # undef EV_USE_SIGNALFD |
|
|
153 | # define EV_USE_SIGNALFD 0 |
144 | # endif |
154 | # endif |
145 | |
155 | |
|
|
156 | # if HAVE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
157 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
|
|
148 | # define EV_USE_EVENTFD 1 |
158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
|
|
150 | # define EV_USE_EVENTFD 0 |
|
|
151 | # endif |
159 | # endif |
|
|
160 | # else |
|
|
161 | # undef EV_USE_EVENTFD |
|
|
162 | # define EV_USE_EVENTFD 0 |
152 | # endif |
163 | # endif |
153 | |
164 | |
154 | #endif |
165 | #endif |
155 | |
166 | |
156 | #include <math.h> |
|
|
157 | #include <stdlib.h> |
167 | #include <stdlib.h> |
158 | #include <string.h> |
168 | #include <string.h> |
159 | #include <fcntl.h> |
169 | #include <fcntl.h> |
160 | #include <stddef.h> |
170 | #include <stddef.h> |
161 | |
171 | |
… | |
… | |
163 | |
173 | |
164 | #include <assert.h> |
174 | #include <assert.h> |
165 | #include <errno.h> |
175 | #include <errno.h> |
166 | #include <sys/types.h> |
176 | #include <sys/types.h> |
167 | #include <time.h> |
177 | #include <time.h> |
|
|
178 | #include <limits.h> |
168 | |
179 | |
169 | #include <signal.h> |
180 | #include <signal.h> |
170 | |
181 | |
171 | #ifdef EV_H |
182 | #ifdef EV_H |
172 | # include EV_H |
183 | # include EV_H |
173 | #else |
184 | #else |
174 | # include "ev.h" |
185 | # include "ev.h" |
175 | #endif |
186 | #endif |
|
|
187 | |
|
|
188 | EV_CPP(extern "C" {) |
176 | |
189 | |
177 | #ifndef _WIN32 |
190 | #ifndef _WIN32 |
178 | # include <sys/time.h> |
191 | # include <sys/time.h> |
179 | # include <sys/wait.h> |
192 | # include <sys/wait.h> |
180 | # include <unistd.h> |
193 | # include <unistd.h> |
… | |
… | |
183 | # define WIN32_LEAN_AND_MEAN |
196 | # define WIN32_LEAN_AND_MEAN |
184 | # include <windows.h> |
197 | # include <windows.h> |
185 | # ifndef EV_SELECT_IS_WINSOCKET |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
186 | # define EV_SELECT_IS_WINSOCKET 1 |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
187 | # endif |
200 | # endif |
|
|
201 | # undef EV_AVOID_STDIO |
188 | #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 |
189 | |
211 | |
190 | /* 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 */ |
191 | |
213 | |
192 | /* try to deduce the maximum number of signals on this platform */ |
214 | /* try to deduce the maximum number of signals on this platform */ |
193 | #if defined (EV_NSIG) |
215 | #if defined (EV_NSIG) |
… | |
… | |
205 | #elif defined (MAXSIG) |
227 | #elif defined (MAXSIG) |
206 | # define EV_NSIG (MAXSIG+1) |
228 | # define EV_NSIG (MAXSIG+1) |
207 | #elif defined (MAX_SIG) |
229 | #elif defined (MAX_SIG) |
208 | # define EV_NSIG (MAX_SIG+1) |
230 | # define EV_NSIG (MAX_SIG+1) |
209 | #elif defined (SIGARRAYSIZE) |
231 | #elif defined (SIGARRAYSIZE) |
210 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
211 | #elif defined (_sys_nsig) |
233 | #elif defined (_sys_nsig) |
212 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
213 | #else |
235 | #else |
214 | # error "unable to find value for NSIG, please report" |
236 | # error "unable to find value for NSIG, please report" |
215 | /* 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! :) */ |
216 | # define EV_NSIG 65 |
239 | # define EV_NSIG 65 |
|
|
240 | #endif |
|
|
241 | |
|
|
242 | #ifndef EV_USE_FLOOR |
|
|
243 | # define EV_USE_FLOOR 0 |
217 | #endif |
244 | #endif |
218 | |
245 | |
219 | #ifndef EV_USE_CLOCK_SYSCALL |
246 | #ifndef EV_USE_CLOCK_SYSCALL |
220 | # if __linux && __GLIBC__ >= 2 |
247 | # if __linux && __GLIBC__ >= 2 |
221 | # define EV_USE_CLOCK_SYSCALL 1 |
248 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
222 | # else |
249 | # else |
223 | # define EV_USE_CLOCK_SYSCALL 0 |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
224 | # endif |
251 | # endif |
225 | #endif |
252 | #endif |
226 | |
253 | |
227 | #ifndef EV_USE_MONOTONIC |
254 | #ifndef EV_USE_MONOTONIC |
228 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
229 | # define EV_USE_MONOTONIC 1 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
230 | # else |
257 | # else |
231 | # define EV_USE_MONOTONIC 0 |
258 | # define EV_USE_MONOTONIC 0 |
232 | # endif |
259 | # endif |
233 | #endif |
260 | #endif |
234 | |
261 | |
… | |
… | |
236 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
263 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
237 | #endif |
264 | #endif |
238 | |
265 | |
239 | #ifndef EV_USE_NANOSLEEP |
266 | #ifndef EV_USE_NANOSLEEP |
240 | # if _POSIX_C_SOURCE >= 199309L |
267 | # if _POSIX_C_SOURCE >= 199309L |
241 | # define EV_USE_NANOSLEEP 1 |
268 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
242 | # else |
269 | # else |
243 | # define EV_USE_NANOSLEEP 0 |
270 | # define EV_USE_NANOSLEEP 0 |
244 | # endif |
271 | # endif |
245 | #endif |
272 | #endif |
246 | |
273 | |
247 | #ifndef EV_USE_SELECT |
274 | #ifndef EV_USE_SELECT |
248 | # define EV_USE_SELECT 1 |
275 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
249 | #endif |
276 | #endif |
250 | |
277 | |
251 | #ifndef EV_USE_POLL |
278 | #ifndef EV_USE_POLL |
252 | # ifdef _WIN32 |
279 | # ifdef _WIN32 |
253 | # define EV_USE_POLL 0 |
280 | # define EV_USE_POLL 0 |
254 | # else |
281 | # else |
255 | # define EV_USE_POLL 1 |
282 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
256 | # endif |
283 | # endif |
257 | #endif |
284 | #endif |
258 | |
285 | |
259 | #ifndef EV_USE_EPOLL |
286 | #ifndef EV_USE_EPOLL |
260 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
287 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
261 | # define EV_USE_EPOLL 1 |
288 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
262 | # else |
289 | # else |
263 | # define EV_USE_EPOLL 0 |
290 | # define EV_USE_EPOLL 0 |
264 | # endif |
291 | # endif |
265 | #endif |
292 | #endif |
266 | |
293 | |
… | |
… | |
272 | # define EV_USE_PORT 0 |
299 | # define EV_USE_PORT 0 |
273 | #endif |
300 | #endif |
274 | |
301 | |
275 | #ifndef EV_USE_INOTIFY |
302 | #ifndef EV_USE_INOTIFY |
276 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
277 | # define EV_USE_INOTIFY 1 |
304 | # define EV_USE_INOTIFY EV_FEATURE_OS |
278 | # else |
305 | # else |
279 | # define EV_USE_INOTIFY 0 |
306 | # define EV_USE_INOTIFY 0 |
280 | # endif |
307 | # endif |
281 | #endif |
308 | #endif |
282 | |
309 | |
283 | #ifndef EV_PID_HASHSIZE |
310 | #ifndef EV_PID_HASHSIZE |
284 | # if EV_MINIMAL |
311 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
285 | # define EV_PID_HASHSIZE 1 |
|
|
286 | # else |
|
|
287 | # define EV_PID_HASHSIZE 16 |
|
|
288 | # endif |
|
|
289 | #endif |
312 | #endif |
290 | |
313 | |
291 | #ifndef EV_INOTIFY_HASHSIZE |
314 | #ifndef EV_INOTIFY_HASHSIZE |
292 | # if EV_MINIMAL |
315 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
293 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
294 | # else |
|
|
295 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
296 | # endif |
|
|
297 | #endif |
316 | #endif |
298 | |
317 | |
299 | #ifndef EV_USE_EVENTFD |
318 | #ifndef EV_USE_EVENTFD |
300 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
319 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
301 | # define EV_USE_EVENTFD 1 |
320 | # define EV_USE_EVENTFD EV_FEATURE_OS |
302 | # else |
321 | # else |
303 | # define EV_USE_EVENTFD 0 |
322 | # define EV_USE_EVENTFD 0 |
304 | # endif |
323 | # endif |
305 | #endif |
324 | #endif |
306 | |
325 | |
307 | #ifndef EV_USE_SIGNALFD |
326 | #ifndef EV_USE_SIGNALFD |
308 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
327 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
309 | # define EV_USE_SIGNALFD 1 |
328 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
310 | # else |
329 | # else |
311 | # define EV_USE_SIGNALFD 0 |
330 | # define EV_USE_SIGNALFD 0 |
312 | # endif |
331 | # endif |
313 | #endif |
332 | #endif |
314 | |
333 | |
… | |
… | |
317 | # define EV_USE_4HEAP 1 |
336 | # define EV_USE_4HEAP 1 |
318 | # define EV_HEAP_CACHE_AT 1 |
337 | # define EV_HEAP_CACHE_AT 1 |
319 | #endif |
338 | #endif |
320 | |
339 | |
321 | #ifndef EV_VERIFY |
340 | #ifndef EV_VERIFY |
322 | # define EV_VERIFY !EV_MINIMAL |
341 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
323 | #endif |
342 | #endif |
324 | |
343 | |
325 | #ifndef EV_USE_4HEAP |
344 | #ifndef EV_USE_4HEAP |
326 | # define EV_USE_4HEAP !EV_MINIMAL |
345 | # define EV_USE_4HEAP EV_FEATURE_DATA |
327 | #endif |
346 | #endif |
328 | |
347 | |
329 | #ifndef EV_HEAP_CACHE_AT |
348 | #ifndef EV_HEAP_CACHE_AT |
330 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
349 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
331 | #endif |
350 | #endif |
332 | |
351 | |
333 | /* 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, */ |
334 | /* which makes programs even slower. might work on other unices, too. */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
335 | #if EV_USE_CLOCK_SYSCALL |
354 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
366 | # undef EV_USE_INOTIFY |
385 | # undef EV_USE_INOTIFY |
367 | # define EV_USE_INOTIFY 0 |
386 | # define EV_USE_INOTIFY 0 |
368 | #endif |
387 | #endif |
369 | |
388 | |
370 | #if !EV_USE_NANOSLEEP |
389 | #if !EV_USE_NANOSLEEP |
371 | # ifndef _WIN32 |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
391 | # if !defined(_WIN32) && !defined(__hpux) |
372 | # include <sys/select.h> |
392 | # include <sys/select.h> |
373 | # endif |
393 | # endif |
374 | #endif |
394 | #endif |
375 | |
395 | |
376 | #if EV_USE_INOTIFY |
396 | #if EV_USE_INOTIFY |
377 | # include <sys/utsname.h> |
|
|
378 | # include <sys/statfs.h> |
397 | # include <sys/statfs.h> |
379 | # include <sys/inotify.h> |
398 | # include <sys/inotify.h> |
380 | /* 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 */ |
381 | # ifndef IN_DONT_FOLLOW |
400 | # ifndef IN_DONT_FOLLOW |
382 | # undef EV_USE_INOTIFY |
401 | # undef EV_USE_INOTIFY |
… | |
… | |
399 | # define EFD_CLOEXEC O_CLOEXEC |
418 | # define EFD_CLOEXEC O_CLOEXEC |
400 | # else |
419 | # else |
401 | # define EFD_CLOEXEC 02000000 |
420 | # define EFD_CLOEXEC 02000000 |
402 | # endif |
421 | # endif |
403 | # endif |
422 | # endif |
404 | # ifdef __cplusplus |
|
|
405 | extern "C" { |
|
|
406 | # endif |
|
|
407 | int eventfd (unsigned int initval, int flags); |
423 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
408 | # ifdef __cplusplus |
|
|
409 | } |
|
|
410 | # endif |
|
|
411 | #endif |
424 | #endif |
412 | |
425 | |
413 | #if EV_USE_SIGNALFD |
426 | #if EV_USE_SIGNALFD |
414 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
415 | # include <stdint.h> |
428 | # include <stdint.h> |
… | |
… | |
421 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # define SFD_CLOEXEC O_CLOEXEC |
422 | # else |
435 | # else |
423 | # define SFD_CLOEXEC 02000000 |
436 | # define SFD_CLOEXEC 02000000 |
424 | # endif |
437 | # endif |
425 | # endif |
438 | # endif |
426 | # ifdef __cplusplus |
|
|
427 | extern "C" { |
|
|
428 | # endif |
|
|
429 | int signalfd (int fd, const sigset_t *mask, int flags); |
439 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
430 | |
440 | |
431 | struct signalfd_siginfo |
441 | struct signalfd_siginfo |
432 | { |
442 | { |
433 | uint32_t ssi_signo; |
443 | uint32_t ssi_signo; |
434 | char pad[128 - sizeof (uint32_t)]; |
444 | char pad[128 - sizeof (uint32_t)]; |
435 | }; |
445 | }; |
436 | # ifdef __cplusplus |
|
|
437 | } |
|
|
438 | # endif |
446 | #endif |
439 | #endif |
|
|
440 | |
|
|
441 | |
447 | |
442 | /**/ |
448 | /**/ |
443 | |
449 | |
444 | #if EV_VERIFY >= 3 |
450 | #if EV_VERIFY >= 3 |
445 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
451 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
446 | #else |
452 | #else |
447 | # define EV_FREQUENT_CHECK do { } while (0) |
453 | # define EV_FREQUENT_CHECK do { } while (0) |
448 | #endif |
454 | #endif |
449 | |
455 | |
450 | /* |
456 | /* |
451 | * This is used to avoid floating point rounding problems. |
457 | * This is used to work around floating point rounding problems. |
452 | * It is added to ev_rt_now when scheduling periodics |
|
|
453 | * to ensure progress, time-wise, even when rounding |
|
|
454 | * errors are against us. |
|
|
455 | * This value is good at least till the year 4000. |
458 | * This value is good at least till the year 4000. |
456 | * Better solutions welcome. |
|
|
457 | */ |
459 | */ |
458 | #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 */ |
459 | |
462 | |
460 | #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) */ |
461 | #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) */ |
462 | |
465 | |
463 | #if __GNUC__ >= 4 |
466 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
464 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
467 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
465 | # define noinline __attribute__ ((noinline)) |
468 | |
|
|
469 | /* the following are taken from libecb */ |
|
|
470 | /* ecb.h start */ |
|
|
471 | |
|
|
472 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
473 | * what their idiot authors think are the "more important" extensions, |
|
|
474 | * causing enourmous grief in return for some better fake benchmark numbers. |
|
|
475 | * or so. |
|
|
476 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
477 | * an issue with that they should have done it right in the first place. |
|
|
478 | */ |
|
|
479 | #ifndef ECB_GCC_VERSION |
|
|
480 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
|
|
481 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
482 | #else |
|
|
483 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
|
|
484 | #endif |
|
|
485 | #endif |
|
|
486 | |
|
|
487 | #if __cplusplus |
|
|
488 | #define ecb_inline static inline |
|
|
489 | #elif ECB_GCC_VERSION(2,5) |
|
|
490 | #define ecb_inline static __inline__ |
|
|
491 | #elif ECB_C99 |
|
|
492 | #define ecb_inline static inline |
466 | #else |
493 | #else |
467 | # define expect(expr,value) (expr) |
494 | #define ecb_inline static |
468 | # define noinline |
|
|
469 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
|
|
470 | # define inline |
|
|
471 | # endif |
495 | #endif |
472 | #endif |
|
|
473 | |
496 | |
|
|
497 | #if ECB_GCC_VERSION(3,1) |
|
|
498 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
499 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
500 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
501 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
502 | #else |
|
|
503 | #define ecb_attribute(attrlist) |
|
|
504 | #define ecb_is_constant(expr) 0 |
|
|
505 | #define ecb_expect(expr,value) (expr) |
|
|
506 | #define ecb_prefetch(addr,rw,locality) |
|
|
507 | #endif |
|
|
508 | |
|
|
509 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
510 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
511 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
512 | #define ecb_const ecb_attribute ((__const__)) |
|
|
513 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
514 | |
|
|
515 | #if ECB_GCC_VERSION(4,3) |
|
|
516 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
517 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
518 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
519 | #else |
|
|
520 | #define ecb_artificial |
|
|
521 | #define ecb_hot |
|
|
522 | #define ecb_cold |
|
|
523 | #endif |
|
|
524 | |
|
|
525 | /* put around conditional expressions if you are very sure that the */ |
|
|
526 | /* expression is mostly true or mostly false. note that these return */ |
|
|
527 | /* booleans, not the expression. */ |
474 | #define expect_false(expr) expect ((expr) != 0, 0) |
528 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
475 | #define expect_true(expr) expect ((expr) != 0, 1) |
529 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
530 | /* ecb.h end */ |
|
|
531 | |
|
|
532 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
533 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
534 | #define noinline ecb_noinline |
|
|
535 | |
476 | #define inline_size static inline |
536 | #define inline_size ecb_inline |
477 | |
537 | |
478 | #if EV_MINIMAL |
538 | #if EV_FEATURE_CODE |
|
|
539 | # define inline_speed ecb_inline |
|
|
540 | #else |
479 | # define inline_speed static noinline |
541 | # define inline_speed static noinline |
480 | #else |
|
|
481 | # define inline_speed static inline |
|
|
482 | #endif |
542 | #endif |
483 | |
543 | |
484 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
544 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
485 | |
545 | |
486 | #if EV_MINPRI == EV_MAXPRI |
546 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
499 | #define ev_active(w) ((W)(w))->active |
559 | #define ev_active(w) ((W)(w))->active |
500 | #define ev_at(w) ((WT)(w))->at |
560 | #define ev_at(w) ((WT)(w))->at |
501 | |
561 | |
502 | #if EV_USE_REALTIME |
562 | #if EV_USE_REALTIME |
503 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
563 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
504 | /* giving it a reasonably high chance of working on typical architetcures */ |
564 | /* giving it a reasonably high chance of working on typical architectures */ |
505 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
565 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
506 | #endif |
566 | #endif |
507 | |
567 | |
508 | #if EV_USE_MONOTONIC |
568 | #if EV_USE_MONOTONIC |
509 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
569 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
523 | # include "ev_win32.c" |
583 | # include "ev_win32.c" |
524 | #endif |
584 | #endif |
525 | |
585 | |
526 | /*****************************************************************************/ |
586 | /*****************************************************************************/ |
527 | |
587 | |
|
|
588 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
589 | |
|
|
590 | #if EV_USE_FLOOR |
|
|
591 | # include <math.h> |
|
|
592 | # define ev_floor(v) floor (v) |
|
|
593 | #else |
|
|
594 | |
|
|
595 | #include <float.h> |
|
|
596 | |
|
|
597 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
598 | static ev_tstamp noinline |
|
|
599 | ev_floor (ev_tstamp v) |
|
|
600 | { |
|
|
601 | /* the choice of shift factor is not terribly important */ |
|
|
602 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
603 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
604 | #else |
|
|
605 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
606 | #endif |
|
|
607 | |
|
|
608 | /* argument too large for an unsigned long? */ |
|
|
609 | if (expect_false (v >= shift)) |
|
|
610 | { |
|
|
611 | ev_tstamp f; |
|
|
612 | |
|
|
613 | if (v == v - 1.) |
|
|
614 | return v; /* very large number */ |
|
|
615 | |
|
|
616 | f = shift * ev_floor (v * (1. / shift)); |
|
|
617 | return f + ev_floor (v - f); |
|
|
618 | } |
|
|
619 | |
|
|
620 | /* special treatment for negative args? */ |
|
|
621 | if (expect_false (v < 0.)) |
|
|
622 | { |
|
|
623 | ev_tstamp f = -ev_floor (-v); |
|
|
624 | |
|
|
625 | return f - (f == v ? 0 : 1); |
|
|
626 | } |
|
|
627 | |
|
|
628 | /* fits into an unsigned long */ |
|
|
629 | return (unsigned long)v; |
|
|
630 | } |
|
|
631 | |
|
|
632 | #endif |
|
|
633 | |
|
|
634 | /*****************************************************************************/ |
|
|
635 | |
|
|
636 | #ifdef __linux |
|
|
637 | # include <sys/utsname.h> |
|
|
638 | #endif |
|
|
639 | |
|
|
640 | static unsigned int noinline ecb_cold |
|
|
641 | ev_linux_version (void) |
|
|
642 | { |
|
|
643 | #ifdef __linux |
|
|
644 | unsigned int v = 0; |
|
|
645 | struct utsname buf; |
|
|
646 | int i; |
|
|
647 | char *p = buf.release; |
|
|
648 | |
|
|
649 | if (uname (&buf)) |
|
|
650 | return 0; |
|
|
651 | |
|
|
652 | for (i = 3+1; --i; ) |
|
|
653 | { |
|
|
654 | unsigned int c = 0; |
|
|
655 | |
|
|
656 | for (;;) |
|
|
657 | { |
|
|
658 | if (*p >= '0' && *p <= '9') |
|
|
659 | c = c * 10 + *p++ - '0'; |
|
|
660 | else |
|
|
661 | { |
|
|
662 | p += *p == '.'; |
|
|
663 | break; |
|
|
664 | } |
|
|
665 | } |
|
|
666 | |
|
|
667 | v = (v << 8) | c; |
|
|
668 | } |
|
|
669 | |
|
|
670 | return v; |
|
|
671 | #else |
|
|
672 | return 0; |
|
|
673 | #endif |
|
|
674 | } |
|
|
675 | |
|
|
676 | /*****************************************************************************/ |
|
|
677 | |
|
|
678 | #if EV_AVOID_STDIO |
|
|
679 | static void noinline ecb_cold |
|
|
680 | ev_printerr (const char *msg) |
|
|
681 | { |
|
|
682 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
683 | } |
|
|
684 | #endif |
|
|
685 | |
528 | static void (*syserr_cb)(const char *msg); |
686 | static void (*syserr_cb)(const char *msg); |
529 | |
687 | |
530 | void |
688 | void ecb_cold |
531 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
689 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
532 | { |
690 | { |
533 | syserr_cb = cb; |
691 | syserr_cb = cb; |
534 | } |
692 | } |
535 | |
693 | |
536 | static void noinline |
694 | static void noinline ecb_cold |
537 | ev_syserr (const char *msg) |
695 | ev_syserr (const char *msg) |
538 | { |
696 | { |
539 | if (!msg) |
697 | if (!msg) |
540 | msg = "(libev) system error"; |
698 | msg = "(libev) system error"; |
541 | |
699 | |
542 | if (syserr_cb) |
700 | if (syserr_cb) |
543 | syserr_cb (msg); |
701 | syserr_cb (msg); |
544 | else |
702 | else |
545 | { |
703 | { |
|
|
704 | #if EV_AVOID_STDIO |
|
|
705 | ev_printerr (msg); |
|
|
706 | ev_printerr (": "); |
|
|
707 | ev_printerr (strerror (errno)); |
|
|
708 | ev_printerr ("\n"); |
|
|
709 | #else |
546 | perror (msg); |
710 | perror (msg); |
|
|
711 | #endif |
547 | abort (); |
712 | abort (); |
548 | } |
713 | } |
549 | } |
714 | } |
550 | |
715 | |
551 | static void * |
716 | static void * |
552 | ev_realloc_emul (void *ptr, long size) |
717 | ev_realloc_emul (void *ptr, long size) |
553 | { |
718 | { |
|
|
719 | #if __GLIBC__ |
|
|
720 | return realloc (ptr, size); |
|
|
721 | #else |
554 | /* some systems, notably openbsd and darwin, fail to properly |
722 | /* some systems, notably openbsd and darwin, fail to properly |
555 | * implement realloc (x, 0) (as required by both ansi c-98 and |
723 | * implement realloc (x, 0) (as required by both ansi c-89 and |
556 | * the single unix specification, so work around them here. |
724 | * the single unix specification, so work around them here. |
557 | */ |
725 | */ |
558 | |
726 | |
559 | if (size) |
727 | if (size) |
560 | return realloc (ptr, size); |
728 | return realloc (ptr, size); |
561 | |
729 | |
562 | free (ptr); |
730 | free (ptr); |
563 | return 0; |
731 | return 0; |
|
|
732 | #endif |
564 | } |
733 | } |
565 | |
734 | |
566 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
735 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
567 | |
736 | |
568 | void |
737 | void ecb_cold |
569 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
738 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
570 | { |
739 | { |
571 | alloc = cb; |
740 | alloc = cb; |
572 | } |
741 | } |
573 | |
742 | |
… | |
… | |
576 | { |
745 | { |
577 | ptr = alloc (ptr, size); |
746 | ptr = alloc (ptr, size); |
578 | |
747 | |
579 | if (!ptr && size) |
748 | if (!ptr && size) |
580 | { |
749 | { |
|
|
750 | #if EV_AVOID_STDIO |
|
|
751 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
752 | #else |
581 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
753 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
754 | #endif |
582 | abort (); |
755 | abort (); |
583 | } |
756 | } |
584 | |
757 | |
585 | return ptr; |
758 | return ptr; |
586 | } |
759 | } |
… | |
… | |
602 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
775 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
603 | unsigned char unused; |
776 | unsigned char unused; |
604 | #if EV_USE_EPOLL |
777 | #if EV_USE_EPOLL |
605 | unsigned int egen; /* generation counter to counter epoll bugs */ |
778 | unsigned int egen; /* generation counter to counter epoll bugs */ |
606 | #endif |
779 | #endif |
607 | #if EV_SELECT_IS_WINSOCKET |
780 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
608 | SOCKET handle; |
781 | SOCKET handle; |
|
|
782 | #endif |
|
|
783 | #if EV_USE_IOCP |
|
|
784 | OVERLAPPED or, ow; |
609 | #endif |
785 | #endif |
610 | } ANFD; |
786 | } ANFD; |
611 | |
787 | |
612 | /* stores the pending event set for a given watcher */ |
788 | /* stores the pending event set for a given watcher */ |
613 | typedef struct |
789 | typedef struct |
… | |
… | |
668 | |
844 | |
669 | static int ev_default_loop_ptr; |
845 | static int ev_default_loop_ptr; |
670 | |
846 | |
671 | #endif |
847 | #endif |
672 | |
848 | |
673 | #if EV_MINIMAL < 2 |
849 | #if EV_FEATURE_API |
674 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
850 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
675 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
851 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
676 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
852 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
677 | #else |
853 | #else |
678 | # define EV_RELEASE_CB (void)0 |
854 | # define EV_RELEASE_CB (void)0 |
679 | # define EV_ACQUIRE_CB (void)0 |
855 | # define EV_ACQUIRE_CB (void)0 |
680 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
856 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
681 | #endif |
857 | #endif |
682 | |
858 | |
683 | #define EVUNLOOP_RECURSE 0x80 |
859 | #define EVBREAK_RECURSE 0x80 |
684 | |
860 | |
685 | /*****************************************************************************/ |
861 | /*****************************************************************************/ |
686 | |
862 | |
687 | #ifndef EV_HAVE_EV_TIME |
863 | #ifndef EV_HAVE_EV_TIME |
688 | ev_tstamp |
864 | ev_tstamp |
… | |
… | |
732 | if (delay > 0.) |
908 | if (delay > 0.) |
733 | { |
909 | { |
734 | #if EV_USE_NANOSLEEP |
910 | #if EV_USE_NANOSLEEP |
735 | struct timespec ts; |
911 | struct timespec ts; |
736 | |
912 | |
737 | ts.tv_sec = (time_t)delay; |
913 | EV_TS_SET (ts, delay); |
738 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
739 | |
|
|
740 | nanosleep (&ts, 0); |
914 | nanosleep (&ts, 0); |
741 | #elif defined(_WIN32) |
915 | #elif defined(_WIN32) |
742 | Sleep ((unsigned long)(delay * 1e3)); |
916 | Sleep ((unsigned long)(delay * 1e3)); |
743 | #else |
917 | #else |
744 | struct timeval tv; |
918 | struct timeval tv; |
745 | |
919 | |
746 | tv.tv_sec = (time_t)delay; |
|
|
747 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
748 | |
|
|
749 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
920 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
750 | /* something not guaranteed by newer posix versions, but guaranteed */ |
921 | /* something not guaranteed by newer posix versions, but guaranteed */ |
751 | /* by older ones */ |
922 | /* by older ones */ |
|
|
923 | EV_TV_SET (tv, delay); |
752 | select (0, 0, 0, 0, &tv); |
924 | select (0, 0, 0, 0, &tv); |
753 | #endif |
925 | #endif |
754 | } |
926 | } |
755 | } |
927 | } |
756 | |
928 | |
757 | /*****************************************************************************/ |
929 | /*****************************************************************************/ |
758 | |
930 | |
759 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
931 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
760 | |
932 | |
761 | /* find a suitable new size for the given array, */ |
933 | /* find a suitable new size for the given array, */ |
762 | /* hopefully by rounding to a ncie-to-malloc size */ |
934 | /* hopefully by rounding to a nice-to-malloc size */ |
763 | inline_size int |
935 | inline_size int |
764 | array_nextsize (int elem, int cur, int cnt) |
936 | array_nextsize (int elem, int cur, int cnt) |
765 | { |
937 | { |
766 | int ncur = cur + 1; |
938 | int ncur = cur + 1; |
767 | |
939 | |
… | |
… | |
779 | } |
951 | } |
780 | |
952 | |
781 | return ncur; |
953 | return ncur; |
782 | } |
954 | } |
783 | |
955 | |
784 | static noinline void * |
956 | static void * noinline ecb_cold |
785 | array_realloc (int elem, void *base, int *cur, int cnt) |
957 | array_realloc (int elem, void *base, int *cur, int cnt) |
786 | { |
958 | { |
787 | *cur = array_nextsize (elem, *cur, cnt); |
959 | *cur = array_nextsize (elem, *cur, cnt); |
788 | return ev_realloc (base, elem * *cur); |
960 | return ev_realloc (base, elem * *cur); |
789 | } |
961 | } |
… | |
… | |
863 | } |
1035 | } |
864 | |
1036 | |
865 | /*****************************************************************************/ |
1037 | /*****************************************************************************/ |
866 | |
1038 | |
867 | inline_speed void |
1039 | inline_speed void |
868 | fd_event_nc (EV_P_ int fd, int revents) |
1040 | fd_event_nocheck (EV_P_ int fd, int revents) |
869 | { |
1041 | { |
870 | ANFD *anfd = anfds + fd; |
1042 | ANFD *anfd = anfds + fd; |
871 | ev_io *w; |
1043 | ev_io *w; |
872 | |
1044 | |
873 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1045 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
885 | fd_event (EV_P_ int fd, int revents) |
1057 | fd_event (EV_P_ int fd, int revents) |
886 | { |
1058 | { |
887 | ANFD *anfd = anfds + fd; |
1059 | ANFD *anfd = anfds + fd; |
888 | |
1060 | |
889 | if (expect_true (!anfd->reify)) |
1061 | if (expect_true (!anfd->reify)) |
890 | fd_event_nc (EV_A_ fd, revents); |
1062 | fd_event_nocheck (EV_A_ fd, revents); |
891 | } |
1063 | } |
892 | |
1064 | |
893 | void |
1065 | void |
894 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1066 | ev_feed_fd_event (EV_P_ int fd, int revents) |
895 | { |
1067 | { |
896 | if (fd >= 0 && fd < anfdmax) |
1068 | if (fd >= 0 && fd < anfdmax) |
897 | fd_event_nc (EV_A_ fd, revents); |
1069 | fd_event_nocheck (EV_A_ fd, revents); |
898 | } |
1070 | } |
899 | |
1071 | |
900 | /* make sure the external fd watch events are in-sync */ |
1072 | /* make sure the external fd watch events are in-sync */ |
901 | /* with the kernel/libev internal state */ |
1073 | /* with the kernel/libev internal state */ |
902 | inline_size void |
1074 | inline_size void |
903 | fd_reify (EV_P) |
1075 | fd_reify (EV_P) |
904 | { |
1076 | { |
905 | int i; |
1077 | int i; |
906 | |
1078 | |
|
|
1079 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1080 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1081 | { |
|
|
1082 | int fd = fdchanges [i]; |
|
|
1083 | ANFD *anfd = anfds + fd; |
|
|
1084 | |
|
|
1085 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1086 | { |
|
|
1087 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1088 | |
|
|
1089 | if (handle != anfd->handle) |
|
|
1090 | { |
|
|
1091 | unsigned long arg; |
|
|
1092 | |
|
|
1093 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1094 | |
|
|
1095 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1096 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1097 | anfd->events = 0; |
|
|
1098 | anfd->handle = handle; |
|
|
1099 | } |
|
|
1100 | } |
|
|
1101 | } |
|
|
1102 | #endif |
|
|
1103 | |
907 | for (i = 0; i < fdchangecnt; ++i) |
1104 | for (i = 0; i < fdchangecnt; ++i) |
908 | { |
1105 | { |
909 | int fd = fdchanges [i]; |
1106 | int fd = fdchanges [i]; |
910 | ANFD *anfd = anfds + fd; |
1107 | ANFD *anfd = anfds + fd; |
911 | ev_io *w; |
1108 | ev_io *w; |
912 | |
1109 | |
913 | unsigned char events = 0; |
1110 | unsigned char o_events = anfd->events; |
|
|
1111 | unsigned char o_reify = anfd->reify; |
914 | |
1112 | |
915 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1113 | anfd->reify = 0; |
916 | events |= (unsigned char)w->events; |
|
|
917 | |
1114 | |
918 | #if EV_SELECT_IS_WINSOCKET |
1115 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
919 | if (events) |
|
|
920 | { |
1116 | { |
921 | unsigned long arg; |
1117 | anfd->events = 0; |
922 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
1118 | |
923 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
1119 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1120 | anfd->events |= (unsigned char)w->events; |
|
|
1121 | |
|
|
1122 | if (o_events != anfd->events) |
|
|
1123 | o_reify = EV__IOFDSET; /* actually |= */ |
924 | } |
1124 | } |
925 | #endif |
|
|
926 | |
1125 | |
927 | { |
1126 | if (o_reify & EV__IOFDSET) |
928 | unsigned char o_events = anfd->events; |
|
|
929 | unsigned char o_reify = anfd->reify; |
|
|
930 | |
|
|
931 | anfd->reify = 0; |
|
|
932 | anfd->events = events; |
|
|
933 | |
|
|
934 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
935 | backend_modify (EV_A_ fd, o_events, events); |
1127 | backend_modify (EV_A_ fd, o_events, anfd->events); |
936 | } |
|
|
937 | } |
1128 | } |
938 | |
1129 | |
939 | fdchangecnt = 0; |
1130 | fdchangecnt = 0; |
940 | } |
1131 | } |
941 | |
1132 | |
… | |
… | |
953 | fdchanges [fdchangecnt - 1] = fd; |
1144 | fdchanges [fdchangecnt - 1] = fd; |
954 | } |
1145 | } |
955 | } |
1146 | } |
956 | |
1147 | |
957 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1148 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
958 | inline_speed void |
1149 | inline_speed void ecb_cold |
959 | fd_kill (EV_P_ int fd) |
1150 | fd_kill (EV_P_ int fd) |
960 | { |
1151 | { |
961 | ev_io *w; |
1152 | ev_io *w; |
962 | |
1153 | |
963 | while ((w = (ev_io *)anfds [fd].head)) |
1154 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
965 | ev_io_stop (EV_A_ w); |
1156 | ev_io_stop (EV_A_ w); |
966 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1157 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
967 | } |
1158 | } |
968 | } |
1159 | } |
969 | |
1160 | |
970 | /* check whether the given fd is atcually valid, for error recovery */ |
1161 | /* check whether the given fd is actually valid, for error recovery */ |
971 | inline_size int |
1162 | inline_size int ecb_cold |
972 | fd_valid (int fd) |
1163 | fd_valid (int fd) |
973 | { |
1164 | { |
974 | #ifdef _WIN32 |
1165 | #ifdef _WIN32 |
975 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1166 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
976 | #else |
1167 | #else |
977 | return fcntl (fd, F_GETFD) != -1; |
1168 | return fcntl (fd, F_GETFD) != -1; |
978 | #endif |
1169 | #endif |
979 | } |
1170 | } |
980 | |
1171 | |
981 | /* called on EBADF to verify fds */ |
1172 | /* called on EBADF to verify fds */ |
982 | static void noinline |
1173 | static void noinline ecb_cold |
983 | fd_ebadf (EV_P) |
1174 | fd_ebadf (EV_P) |
984 | { |
1175 | { |
985 | int fd; |
1176 | int fd; |
986 | |
1177 | |
987 | for (fd = 0; fd < anfdmax; ++fd) |
1178 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
989 | if (!fd_valid (fd) && errno == EBADF) |
1180 | if (!fd_valid (fd) && errno == EBADF) |
990 | fd_kill (EV_A_ fd); |
1181 | fd_kill (EV_A_ fd); |
991 | } |
1182 | } |
992 | |
1183 | |
993 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1184 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
994 | static void noinline |
1185 | static void noinline ecb_cold |
995 | fd_enomem (EV_P) |
1186 | fd_enomem (EV_P) |
996 | { |
1187 | { |
997 | int fd; |
1188 | int fd; |
998 | |
1189 | |
999 | for (fd = anfdmax; fd--; ) |
1190 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1017 | anfds [fd].emask = 0; |
1208 | anfds [fd].emask = 0; |
1018 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1209 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1019 | } |
1210 | } |
1020 | } |
1211 | } |
1021 | |
1212 | |
|
|
1213 | /* used to prepare libev internal fd's */ |
|
|
1214 | /* this is not fork-safe */ |
|
|
1215 | inline_speed void |
|
|
1216 | fd_intern (int fd) |
|
|
1217 | { |
|
|
1218 | #ifdef _WIN32 |
|
|
1219 | unsigned long arg = 1; |
|
|
1220 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1221 | #else |
|
|
1222 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1223 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1224 | #endif |
|
|
1225 | } |
|
|
1226 | |
1022 | /*****************************************************************************/ |
1227 | /*****************************************************************************/ |
1023 | |
1228 | |
1024 | /* |
1229 | /* |
1025 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1230 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1026 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1231 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1027 | * the branching factor of the d-tree. |
1232 | * the branching factor of the d-tree. |
1028 | */ |
1233 | */ |
1029 | |
1234 | |
1030 | /* |
1235 | /* |
… | |
… | |
1178 | |
1383 | |
1179 | static ANSIG signals [EV_NSIG - 1]; |
1384 | static ANSIG signals [EV_NSIG - 1]; |
1180 | |
1385 | |
1181 | /*****************************************************************************/ |
1386 | /*****************************************************************************/ |
1182 | |
1387 | |
1183 | /* used to prepare libev internal fd's */ |
1388 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1184 | /* this is not fork-safe */ |
|
|
1185 | inline_speed void |
|
|
1186 | fd_intern (int fd) |
|
|
1187 | { |
|
|
1188 | #ifdef _WIN32 |
|
|
1189 | unsigned long arg = 1; |
|
|
1190 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1191 | #else |
|
|
1192 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1193 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1194 | #endif |
|
|
1195 | } |
|
|
1196 | |
1389 | |
1197 | static void noinline |
1390 | static void noinline ecb_cold |
1198 | evpipe_init (EV_P) |
1391 | evpipe_init (EV_P) |
1199 | { |
1392 | { |
1200 | if (!ev_is_active (&pipe_w)) |
1393 | if (!ev_is_active (&pipe_w)) |
1201 | { |
1394 | { |
1202 | #if EV_USE_EVENTFD |
1395 | # if EV_USE_EVENTFD |
1203 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1396 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1204 | if (evfd < 0 && errno == EINVAL) |
1397 | if (evfd < 0 && errno == EINVAL) |
1205 | evfd = eventfd (0, 0); |
1398 | evfd = eventfd (0, 0); |
1206 | |
1399 | |
1207 | if (evfd >= 0) |
1400 | if (evfd >= 0) |
… | |
… | |
1209 | evpipe [0] = -1; |
1402 | evpipe [0] = -1; |
1210 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1403 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1211 | ev_io_set (&pipe_w, evfd, EV_READ); |
1404 | ev_io_set (&pipe_w, evfd, EV_READ); |
1212 | } |
1405 | } |
1213 | else |
1406 | else |
1214 | #endif |
1407 | # endif |
1215 | { |
1408 | { |
1216 | while (pipe (evpipe)) |
1409 | while (pipe (evpipe)) |
1217 | ev_syserr ("(libev) error creating signal/async pipe"); |
1410 | ev_syserr ("(libev) error creating signal/async pipe"); |
1218 | |
1411 | |
1219 | fd_intern (evpipe [0]); |
1412 | fd_intern (evpipe [0]); |
… | |
… | |
1224 | ev_io_start (EV_A_ &pipe_w); |
1417 | ev_io_start (EV_A_ &pipe_w); |
1225 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1418 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1226 | } |
1419 | } |
1227 | } |
1420 | } |
1228 | |
1421 | |
1229 | inline_size void |
1422 | inline_speed void |
1230 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1423 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1231 | { |
1424 | { |
1232 | if (!*flag) |
1425 | if (!*flag) |
1233 | { |
1426 | { |
1234 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1235 | |
|
|
1236 | *flag = 1; |
1427 | *flag = 1; |
1237 | |
1428 | |
|
|
1429 | pipe_write_skipped = 1; |
|
|
1430 | |
|
|
1431 | if (pipe_write_wanted) |
|
|
1432 | { |
|
|
1433 | int old_errno; |
|
|
1434 | |
|
|
1435 | pipe_write_skipped = 0; |
|
|
1436 | |
|
|
1437 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1438 | |
1238 | #if EV_USE_EVENTFD |
1439 | #if EV_USE_EVENTFD |
1239 | if (evfd >= 0) |
1440 | if (evfd >= 0) |
1240 | { |
1441 | { |
1241 | uint64_t counter = 1; |
1442 | uint64_t counter = 1; |
1242 | write (evfd, &counter, sizeof (uint64_t)); |
1443 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1444 | } |
|
|
1445 | else |
|
|
1446 | #endif |
|
|
1447 | { |
|
|
1448 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1449 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1450 | /* so when you think this write should be a send instead, please find out */ |
|
|
1451 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1452 | /* tell me. thank you. */ |
|
|
1453 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1454 | } |
|
|
1455 | |
|
|
1456 | errno = old_errno; |
1243 | } |
1457 | } |
1244 | else |
|
|
1245 | #endif |
|
|
1246 | write (evpipe [1], &old_errno, 1); |
|
|
1247 | |
|
|
1248 | errno = old_errno; |
|
|
1249 | } |
1458 | } |
1250 | } |
1459 | } |
1251 | |
1460 | |
1252 | /* called whenever the libev signal pipe */ |
1461 | /* called whenever the libev signal pipe */ |
1253 | /* got some events (signal, async) */ |
1462 | /* got some events (signal, async) */ |
1254 | static void |
1463 | static void |
1255 | pipecb (EV_P_ ev_io *iow, int revents) |
1464 | pipecb (EV_P_ ev_io *iow, int revents) |
1256 | { |
1465 | { |
1257 | int i; |
1466 | int i; |
1258 | |
1467 | |
|
|
1468 | if (revents & EV_READ) |
|
|
1469 | { |
1259 | #if EV_USE_EVENTFD |
1470 | #if EV_USE_EVENTFD |
1260 | if (evfd >= 0) |
1471 | if (evfd >= 0) |
1261 | { |
1472 | { |
1262 | uint64_t counter; |
1473 | uint64_t counter; |
1263 | read (evfd, &counter, sizeof (uint64_t)); |
1474 | read (evfd, &counter, sizeof (uint64_t)); |
1264 | } |
1475 | } |
1265 | else |
1476 | else |
1266 | #endif |
1477 | #endif |
1267 | { |
1478 | { |
1268 | char dummy; |
1479 | char dummy; |
|
|
1480 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1269 | read (evpipe [0], &dummy, 1); |
1481 | read (evpipe [0], &dummy, 1); |
|
|
1482 | } |
1270 | } |
1483 | } |
1271 | |
1484 | |
|
|
1485 | pipe_write_skipped = 0; |
|
|
1486 | |
|
|
1487 | #if EV_SIGNAL_ENABLE |
1272 | if (sig_pending) |
1488 | if (sig_pending) |
1273 | { |
1489 | { |
1274 | sig_pending = 0; |
1490 | sig_pending = 0; |
1275 | |
1491 | |
1276 | for (i = EV_NSIG - 1; i--; ) |
1492 | for (i = EV_NSIG - 1; i--; ) |
1277 | if (expect_false (signals [i].pending)) |
1493 | if (expect_false (signals [i].pending)) |
1278 | ev_feed_signal_event (EV_A_ i + 1); |
1494 | ev_feed_signal_event (EV_A_ i + 1); |
1279 | } |
1495 | } |
|
|
1496 | #endif |
1280 | |
1497 | |
1281 | #if EV_ASYNC_ENABLE |
1498 | #if EV_ASYNC_ENABLE |
1282 | if (async_pending) |
1499 | if (async_pending) |
1283 | { |
1500 | { |
1284 | async_pending = 0; |
1501 | async_pending = 0; |
… | |
… | |
1293 | #endif |
1510 | #endif |
1294 | } |
1511 | } |
1295 | |
1512 | |
1296 | /*****************************************************************************/ |
1513 | /*****************************************************************************/ |
1297 | |
1514 | |
|
|
1515 | void |
|
|
1516 | ev_feed_signal (int signum) |
|
|
1517 | { |
|
|
1518 | #if EV_MULTIPLICITY |
|
|
1519 | EV_P = signals [signum - 1].loop; |
|
|
1520 | |
|
|
1521 | if (!EV_A) |
|
|
1522 | return; |
|
|
1523 | #endif |
|
|
1524 | |
|
|
1525 | evpipe_init (EV_A); |
|
|
1526 | |
|
|
1527 | signals [signum - 1].pending = 1; |
|
|
1528 | evpipe_write (EV_A_ &sig_pending); |
|
|
1529 | } |
|
|
1530 | |
1298 | static void |
1531 | static void |
1299 | ev_sighandler (int signum) |
1532 | ev_sighandler (int signum) |
1300 | { |
1533 | { |
1301 | #if EV_MULTIPLICITY |
|
|
1302 | EV_P = signals [signum - 1].loop; |
|
|
1303 | #endif |
|
|
1304 | |
|
|
1305 | #ifdef _WIN32 |
1534 | #ifdef _WIN32 |
1306 | signal (signum, ev_sighandler); |
1535 | signal (signum, ev_sighandler); |
1307 | #endif |
1536 | #endif |
1308 | |
1537 | |
1309 | signals [signum - 1].pending = 1; |
1538 | ev_feed_signal (signum); |
1310 | evpipe_write (EV_A_ &sig_pending); |
|
|
1311 | } |
1539 | } |
1312 | |
1540 | |
1313 | void noinline |
1541 | void noinline |
1314 | ev_feed_signal_event (EV_P_ int signum) |
1542 | ev_feed_signal_event (EV_P_ int signum) |
1315 | { |
1543 | { |
… | |
… | |
1352 | break; |
1580 | break; |
1353 | } |
1581 | } |
1354 | } |
1582 | } |
1355 | #endif |
1583 | #endif |
1356 | |
1584 | |
|
|
1585 | #endif |
|
|
1586 | |
1357 | /*****************************************************************************/ |
1587 | /*****************************************************************************/ |
1358 | |
1588 | |
|
|
1589 | #if EV_CHILD_ENABLE |
1359 | static WL childs [EV_PID_HASHSIZE]; |
1590 | static WL childs [EV_PID_HASHSIZE]; |
1360 | |
|
|
1361 | #ifndef _WIN32 |
|
|
1362 | |
1591 | |
1363 | static ev_signal childev; |
1592 | static ev_signal childev; |
1364 | |
1593 | |
1365 | #ifndef WIFCONTINUED |
1594 | #ifndef WIFCONTINUED |
1366 | # define WIFCONTINUED(status) 0 |
1595 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1371 | child_reap (EV_P_ int chain, int pid, int status) |
1600 | child_reap (EV_P_ int chain, int pid, int status) |
1372 | { |
1601 | { |
1373 | ev_child *w; |
1602 | ev_child *w; |
1374 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1603 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1375 | |
1604 | |
1376 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1605 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1377 | { |
1606 | { |
1378 | if ((w->pid == pid || !w->pid) |
1607 | if ((w->pid == pid || !w->pid) |
1379 | && (!traced || (w->flags & 1))) |
1608 | && (!traced || (w->flags & 1))) |
1380 | { |
1609 | { |
1381 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1610 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1406 | /* make sure we are called again until all children have been reaped */ |
1635 | /* make sure we are called again until all children have been reaped */ |
1407 | /* we need to do it this way so that the callback gets called before we continue */ |
1636 | /* we need to do it this way so that the callback gets called before we continue */ |
1408 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1637 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1409 | |
1638 | |
1410 | child_reap (EV_A_ pid, pid, status); |
1639 | child_reap (EV_A_ pid, pid, status); |
1411 | if (EV_PID_HASHSIZE > 1) |
1640 | if ((EV_PID_HASHSIZE) > 1) |
1412 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1641 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1413 | } |
1642 | } |
1414 | |
1643 | |
1415 | #endif |
1644 | #endif |
1416 | |
1645 | |
1417 | /*****************************************************************************/ |
1646 | /*****************************************************************************/ |
1418 | |
1647 | |
|
|
1648 | #if EV_USE_IOCP |
|
|
1649 | # include "ev_iocp.c" |
|
|
1650 | #endif |
1419 | #if EV_USE_PORT |
1651 | #if EV_USE_PORT |
1420 | # include "ev_port.c" |
1652 | # include "ev_port.c" |
1421 | #endif |
1653 | #endif |
1422 | #if EV_USE_KQUEUE |
1654 | #if EV_USE_KQUEUE |
1423 | # include "ev_kqueue.c" |
1655 | # include "ev_kqueue.c" |
… | |
… | |
1430 | #endif |
1662 | #endif |
1431 | #if EV_USE_SELECT |
1663 | #if EV_USE_SELECT |
1432 | # include "ev_select.c" |
1664 | # include "ev_select.c" |
1433 | #endif |
1665 | #endif |
1434 | |
1666 | |
1435 | int |
1667 | int ecb_cold |
1436 | ev_version_major (void) |
1668 | ev_version_major (void) |
1437 | { |
1669 | { |
1438 | return EV_VERSION_MAJOR; |
1670 | return EV_VERSION_MAJOR; |
1439 | } |
1671 | } |
1440 | |
1672 | |
1441 | int |
1673 | int ecb_cold |
1442 | ev_version_minor (void) |
1674 | ev_version_minor (void) |
1443 | { |
1675 | { |
1444 | return EV_VERSION_MINOR; |
1676 | return EV_VERSION_MINOR; |
1445 | } |
1677 | } |
1446 | |
1678 | |
1447 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1679 | /* return true if we are running with elevated privileges and should ignore env variables */ |
1448 | int inline_size |
1680 | int inline_size ecb_cold |
1449 | enable_secure (void) |
1681 | enable_secure (void) |
1450 | { |
1682 | { |
1451 | #ifdef _WIN32 |
1683 | #ifdef _WIN32 |
1452 | return 0; |
1684 | return 0; |
1453 | #else |
1685 | #else |
1454 | return getuid () != geteuid () |
1686 | return getuid () != geteuid () |
1455 | || getgid () != getegid (); |
1687 | || getgid () != getegid (); |
1456 | #endif |
1688 | #endif |
1457 | } |
1689 | } |
1458 | |
1690 | |
1459 | unsigned int |
1691 | unsigned int ecb_cold |
1460 | ev_supported_backends (void) |
1692 | ev_supported_backends (void) |
1461 | { |
1693 | { |
1462 | unsigned int flags = 0; |
1694 | unsigned int flags = 0; |
1463 | |
1695 | |
1464 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1696 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
1468 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1700 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
1469 | |
1701 | |
1470 | return flags; |
1702 | return flags; |
1471 | } |
1703 | } |
1472 | |
1704 | |
1473 | unsigned int |
1705 | unsigned int ecb_cold |
1474 | ev_recommended_backends (void) |
1706 | ev_recommended_backends (void) |
1475 | { |
1707 | { |
1476 | unsigned int flags = ev_supported_backends (); |
1708 | unsigned int flags = ev_supported_backends (); |
1477 | |
1709 | |
1478 | #ifndef __NetBSD__ |
1710 | #ifndef __NetBSD__ |
… | |
… | |
1483 | #ifdef __APPLE__ |
1715 | #ifdef __APPLE__ |
1484 | /* only select works correctly on that "unix-certified" platform */ |
1716 | /* only select works correctly on that "unix-certified" platform */ |
1485 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1717 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1486 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1718 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1487 | #endif |
1719 | #endif |
|
|
1720 | #ifdef __FreeBSD__ |
|
|
1721 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1722 | #endif |
1488 | |
1723 | |
1489 | return flags; |
1724 | return flags; |
1490 | } |
1725 | } |
1491 | |
1726 | |
1492 | unsigned int |
1727 | unsigned int ecb_cold |
1493 | ev_embeddable_backends (void) |
1728 | ev_embeddable_backends (void) |
1494 | { |
1729 | { |
1495 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1730 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1496 | |
1731 | |
1497 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1732 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1498 | /* please fix it and tell me how to detect the fix */ |
1733 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1499 | flags &= ~EVBACKEND_EPOLL; |
1734 | flags &= ~EVBACKEND_EPOLL; |
1500 | |
1735 | |
1501 | return flags; |
1736 | return flags; |
1502 | } |
1737 | } |
1503 | |
1738 | |
1504 | unsigned int |
1739 | unsigned int |
1505 | ev_backend (EV_P) |
1740 | ev_backend (EV_P) |
1506 | { |
1741 | { |
1507 | return backend; |
1742 | return backend; |
1508 | } |
1743 | } |
1509 | |
1744 | |
1510 | #if EV_MINIMAL < 2 |
1745 | #if EV_FEATURE_API |
1511 | unsigned int |
1746 | unsigned int |
1512 | ev_loop_count (EV_P) |
1747 | ev_iteration (EV_P) |
1513 | { |
1748 | { |
1514 | return loop_count; |
1749 | return loop_count; |
1515 | } |
1750 | } |
1516 | |
1751 | |
1517 | unsigned int |
1752 | unsigned int |
1518 | ev_loop_depth (EV_P) |
1753 | ev_depth (EV_P) |
1519 | { |
1754 | { |
1520 | return loop_depth; |
1755 | return loop_depth; |
1521 | } |
1756 | } |
1522 | |
1757 | |
1523 | void |
1758 | void |
… | |
… | |
1542 | ev_userdata (EV_P) |
1777 | ev_userdata (EV_P) |
1543 | { |
1778 | { |
1544 | return userdata; |
1779 | return userdata; |
1545 | } |
1780 | } |
1546 | |
1781 | |
|
|
1782 | void |
1547 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1783 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
1548 | { |
1784 | { |
1549 | invoke_cb = invoke_pending_cb; |
1785 | invoke_cb = invoke_pending_cb; |
1550 | } |
1786 | } |
1551 | |
1787 | |
|
|
1788 | void |
1552 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1789 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
1553 | { |
1790 | { |
1554 | release_cb = release; |
1791 | release_cb = release; |
1555 | acquire_cb = acquire; |
1792 | acquire_cb = acquire; |
1556 | } |
1793 | } |
1557 | #endif |
1794 | #endif |
1558 | |
1795 | |
1559 | /* initialise a loop structure, must be zero-initialised */ |
1796 | /* initialise a loop structure, must be zero-initialised */ |
1560 | static void noinline |
1797 | static void noinline ecb_cold |
1561 | loop_init (EV_P_ unsigned int flags) |
1798 | loop_init (EV_P_ unsigned int flags) |
1562 | { |
1799 | { |
1563 | if (!backend) |
1800 | if (!backend) |
1564 | { |
1801 | { |
|
|
1802 | origflags = flags; |
|
|
1803 | |
1565 | #if EV_USE_REALTIME |
1804 | #if EV_USE_REALTIME |
1566 | if (!have_realtime) |
1805 | if (!have_realtime) |
1567 | { |
1806 | { |
1568 | struct timespec ts; |
1807 | struct timespec ts; |
1569 | |
1808 | |
… | |
… | |
1591 | if (!(flags & EVFLAG_NOENV) |
1830 | if (!(flags & EVFLAG_NOENV) |
1592 | && !enable_secure () |
1831 | && !enable_secure () |
1593 | && getenv ("LIBEV_FLAGS")) |
1832 | && getenv ("LIBEV_FLAGS")) |
1594 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1833 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1595 | |
1834 | |
1596 | ev_rt_now = ev_time (); |
1835 | ev_rt_now = ev_time (); |
1597 | mn_now = get_clock (); |
1836 | mn_now = get_clock (); |
1598 | now_floor = mn_now; |
1837 | now_floor = mn_now; |
1599 | rtmn_diff = ev_rt_now - mn_now; |
1838 | rtmn_diff = ev_rt_now - mn_now; |
1600 | #if EV_MINIMAL < 2 |
1839 | #if EV_FEATURE_API |
1601 | invoke_cb = ev_invoke_pending; |
1840 | invoke_cb = ev_invoke_pending; |
1602 | #endif |
1841 | #endif |
1603 | |
1842 | |
1604 | io_blocktime = 0.; |
1843 | io_blocktime = 0.; |
1605 | timeout_blocktime = 0.; |
1844 | timeout_blocktime = 0.; |
1606 | backend = 0; |
1845 | backend = 0; |
1607 | backend_fd = -1; |
1846 | backend_fd = -1; |
1608 | sig_pending = 0; |
1847 | sig_pending = 0; |
1609 | #if EV_ASYNC_ENABLE |
1848 | #if EV_ASYNC_ENABLE |
1610 | async_pending = 0; |
1849 | async_pending = 0; |
1611 | #endif |
1850 | #endif |
|
|
1851 | pipe_write_skipped = 0; |
|
|
1852 | pipe_write_wanted = 0; |
1612 | #if EV_USE_INOTIFY |
1853 | #if EV_USE_INOTIFY |
1613 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1854 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1614 | #endif |
1855 | #endif |
1615 | #if EV_USE_SIGNALFD |
1856 | #if EV_USE_SIGNALFD |
1616 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1857 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1617 | #endif |
1858 | #endif |
1618 | |
1859 | |
1619 | if (!(flags & 0x0000ffffU)) |
1860 | if (!(flags & EVBACKEND_MASK)) |
1620 | flags |= ev_recommended_backends (); |
1861 | flags |= ev_recommended_backends (); |
1621 | |
1862 | |
|
|
1863 | #if EV_USE_IOCP |
|
|
1864 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1865 | #endif |
1622 | #if EV_USE_PORT |
1866 | #if EV_USE_PORT |
1623 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1867 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1624 | #endif |
1868 | #endif |
1625 | #if EV_USE_KQUEUE |
1869 | #if EV_USE_KQUEUE |
1626 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1870 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1635 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1879 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1636 | #endif |
1880 | #endif |
1637 | |
1881 | |
1638 | ev_prepare_init (&pending_w, pendingcb); |
1882 | ev_prepare_init (&pending_w, pendingcb); |
1639 | |
1883 | |
|
|
1884 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1640 | ev_init (&pipe_w, pipecb); |
1885 | ev_init (&pipe_w, pipecb); |
1641 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1886 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1887 | #endif |
1642 | } |
1888 | } |
1643 | } |
1889 | } |
1644 | |
1890 | |
1645 | /* free up a loop structure */ |
1891 | /* free up a loop structure */ |
1646 | static void noinline |
1892 | void ecb_cold |
1647 | loop_destroy (EV_P) |
1893 | ev_loop_destroy (EV_P) |
1648 | { |
1894 | { |
1649 | int i; |
1895 | int i; |
|
|
1896 | |
|
|
1897 | #if EV_MULTIPLICITY |
|
|
1898 | /* mimic free (0) */ |
|
|
1899 | if (!EV_A) |
|
|
1900 | return; |
|
|
1901 | #endif |
|
|
1902 | |
|
|
1903 | #if EV_CLEANUP_ENABLE |
|
|
1904 | /* queue cleanup watchers (and execute them) */ |
|
|
1905 | if (expect_false (cleanupcnt)) |
|
|
1906 | { |
|
|
1907 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1908 | EV_INVOKE_PENDING; |
|
|
1909 | } |
|
|
1910 | #endif |
|
|
1911 | |
|
|
1912 | #if EV_CHILD_ENABLE |
|
|
1913 | if (ev_is_active (&childev)) |
|
|
1914 | { |
|
|
1915 | ev_ref (EV_A); /* child watcher */ |
|
|
1916 | ev_signal_stop (EV_A_ &childev); |
|
|
1917 | } |
|
|
1918 | #endif |
1650 | |
1919 | |
1651 | if (ev_is_active (&pipe_w)) |
1920 | if (ev_is_active (&pipe_w)) |
1652 | { |
1921 | { |
1653 | /*ev_ref (EV_A);*/ |
1922 | /*ev_ref (EV_A);*/ |
1654 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1923 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1676 | #endif |
1945 | #endif |
1677 | |
1946 | |
1678 | if (backend_fd >= 0) |
1947 | if (backend_fd >= 0) |
1679 | close (backend_fd); |
1948 | close (backend_fd); |
1680 | |
1949 | |
|
|
1950 | #if EV_USE_IOCP |
|
|
1951 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1952 | #endif |
1681 | #if EV_USE_PORT |
1953 | #if EV_USE_PORT |
1682 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1954 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1683 | #endif |
1955 | #endif |
1684 | #if EV_USE_KQUEUE |
1956 | #if EV_USE_KQUEUE |
1685 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1957 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1712 | array_free (periodic, EMPTY); |
1984 | array_free (periodic, EMPTY); |
1713 | #endif |
1985 | #endif |
1714 | #if EV_FORK_ENABLE |
1986 | #if EV_FORK_ENABLE |
1715 | array_free (fork, EMPTY); |
1987 | array_free (fork, EMPTY); |
1716 | #endif |
1988 | #endif |
|
|
1989 | #if EV_CLEANUP_ENABLE |
|
|
1990 | array_free (cleanup, EMPTY); |
|
|
1991 | #endif |
1717 | array_free (prepare, EMPTY); |
1992 | array_free (prepare, EMPTY); |
1718 | array_free (check, EMPTY); |
1993 | array_free (check, EMPTY); |
1719 | #if EV_ASYNC_ENABLE |
1994 | #if EV_ASYNC_ENABLE |
1720 | array_free (async, EMPTY); |
1995 | array_free (async, EMPTY); |
1721 | #endif |
1996 | #endif |
1722 | |
1997 | |
1723 | backend = 0; |
1998 | backend = 0; |
|
|
1999 | |
|
|
2000 | #if EV_MULTIPLICITY |
|
|
2001 | if (ev_is_default_loop (EV_A)) |
|
|
2002 | #endif |
|
|
2003 | ev_default_loop_ptr = 0; |
|
|
2004 | #if EV_MULTIPLICITY |
|
|
2005 | else |
|
|
2006 | ev_free (EV_A); |
|
|
2007 | #endif |
1724 | } |
2008 | } |
1725 | |
2009 | |
1726 | #if EV_USE_INOTIFY |
2010 | #if EV_USE_INOTIFY |
1727 | inline_size void infy_fork (EV_P); |
2011 | inline_size void infy_fork (EV_P); |
1728 | #endif |
2012 | #endif |
… | |
… | |
1743 | infy_fork (EV_A); |
2027 | infy_fork (EV_A); |
1744 | #endif |
2028 | #endif |
1745 | |
2029 | |
1746 | if (ev_is_active (&pipe_w)) |
2030 | if (ev_is_active (&pipe_w)) |
1747 | { |
2031 | { |
1748 | /* this "locks" the handlers against writing to the pipe */ |
2032 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1749 | /* while we modify the fd vars */ |
|
|
1750 | sig_pending = 1; |
|
|
1751 | #if EV_ASYNC_ENABLE |
|
|
1752 | async_pending = 1; |
|
|
1753 | #endif |
|
|
1754 | |
2033 | |
1755 | ev_ref (EV_A); |
2034 | ev_ref (EV_A); |
1756 | ev_io_stop (EV_A_ &pipe_w); |
2035 | ev_io_stop (EV_A_ &pipe_w); |
1757 | |
2036 | |
1758 | #if EV_USE_EVENTFD |
2037 | #if EV_USE_EVENTFD |
… | |
… | |
1764 | { |
2043 | { |
1765 | EV_WIN32_CLOSE_FD (evpipe [0]); |
2044 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1766 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2045 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1767 | } |
2046 | } |
1768 | |
2047 | |
|
|
2048 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1769 | evpipe_init (EV_A); |
2049 | evpipe_init (EV_A); |
1770 | /* now iterate over everything, in case we missed something */ |
2050 | /* now iterate over everything, in case we missed something */ |
1771 | pipecb (EV_A_ &pipe_w, EV_READ); |
2051 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
2052 | #endif |
1772 | } |
2053 | } |
1773 | |
2054 | |
1774 | postfork = 0; |
2055 | postfork = 0; |
1775 | } |
2056 | } |
1776 | |
2057 | |
1777 | #if EV_MULTIPLICITY |
2058 | #if EV_MULTIPLICITY |
1778 | |
2059 | |
1779 | struct ev_loop * |
2060 | struct ev_loop * ecb_cold |
1780 | ev_loop_new (unsigned int flags) |
2061 | ev_loop_new (unsigned int flags) |
1781 | { |
2062 | { |
1782 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2063 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1783 | |
2064 | |
1784 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2065 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1785 | loop_init (EV_A_ flags); |
2066 | loop_init (EV_A_ flags); |
1786 | |
2067 | |
1787 | if (ev_backend (EV_A)) |
2068 | if (ev_backend (EV_A)) |
1788 | return EV_A; |
2069 | return EV_A; |
1789 | |
2070 | |
|
|
2071 | ev_free (EV_A); |
1790 | return 0; |
2072 | return 0; |
1791 | } |
2073 | } |
1792 | |
2074 | |
1793 | void |
|
|
1794 | ev_loop_destroy (EV_P) |
|
|
1795 | { |
|
|
1796 | loop_destroy (EV_A); |
|
|
1797 | ev_free (loop); |
|
|
1798 | } |
|
|
1799 | |
|
|
1800 | void |
|
|
1801 | ev_loop_fork (EV_P) |
|
|
1802 | { |
|
|
1803 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1804 | } |
|
|
1805 | #endif /* multiplicity */ |
2075 | #endif /* multiplicity */ |
1806 | |
2076 | |
1807 | #if EV_VERIFY |
2077 | #if EV_VERIFY |
1808 | static void noinline |
2078 | static void noinline ecb_cold |
1809 | verify_watcher (EV_P_ W w) |
2079 | verify_watcher (EV_P_ W w) |
1810 | { |
2080 | { |
1811 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2081 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1812 | |
2082 | |
1813 | if (w->pending) |
2083 | if (w->pending) |
1814 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2084 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1815 | } |
2085 | } |
1816 | |
2086 | |
1817 | static void noinline |
2087 | static void noinline ecb_cold |
1818 | verify_heap (EV_P_ ANHE *heap, int N) |
2088 | verify_heap (EV_P_ ANHE *heap, int N) |
1819 | { |
2089 | { |
1820 | int i; |
2090 | int i; |
1821 | |
2091 | |
1822 | for (i = HEAP0; i < N + HEAP0; ++i) |
2092 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
1827 | |
2097 | |
1828 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2098 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1829 | } |
2099 | } |
1830 | } |
2100 | } |
1831 | |
2101 | |
1832 | static void noinline |
2102 | static void noinline ecb_cold |
1833 | array_verify (EV_P_ W *ws, int cnt) |
2103 | array_verify (EV_P_ W *ws, int cnt) |
1834 | { |
2104 | { |
1835 | while (cnt--) |
2105 | while (cnt--) |
1836 | { |
2106 | { |
1837 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
2107 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1838 | verify_watcher (EV_A_ ws [cnt]); |
2108 | verify_watcher (EV_A_ ws [cnt]); |
1839 | } |
2109 | } |
1840 | } |
2110 | } |
1841 | #endif |
2111 | #endif |
1842 | |
2112 | |
1843 | #if EV_MINIMAL < 2 |
2113 | #if EV_FEATURE_API |
1844 | void |
2114 | void ecb_cold |
1845 | ev_loop_verify (EV_P) |
2115 | ev_verify (EV_P) |
1846 | { |
2116 | { |
1847 | #if EV_VERIFY |
2117 | #if EV_VERIFY |
1848 | int i; |
2118 | int i; |
1849 | WL w; |
2119 | WL w; |
1850 | |
2120 | |
… | |
… | |
1884 | #if EV_FORK_ENABLE |
2154 | #if EV_FORK_ENABLE |
1885 | assert (forkmax >= forkcnt); |
2155 | assert (forkmax >= forkcnt); |
1886 | array_verify (EV_A_ (W *)forks, forkcnt); |
2156 | array_verify (EV_A_ (W *)forks, forkcnt); |
1887 | #endif |
2157 | #endif |
1888 | |
2158 | |
|
|
2159 | #if EV_CLEANUP_ENABLE |
|
|
2160 | assert (cleanupmax >= cleanupcnt); |
|
|
2161 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2162 | #endif |
|
|
2163 | |
1889 | #if EV_ASYNC_ENABLE |
2164 | #if EV_ASYNC_ENABLE |
1890 | assert (asyncmax >= asynccnt); |
2165 | assert (asyncmax >= asynccnt); |
1891 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2166 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1892 | #endif |
2167 | #endif |
1893 | |
2168 | |
|
|
2169 | #if EV_PREPARE_ENABLE |
1894 | assert (preparemax >= preparecnt); |
2170 | assert (preparemax >= preparecnt); |
1895 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2171 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2172 | #endif |
1896 | |
2173 | |
|
|
2174 | #if EV_CHECK_ENABLE |
1897 | assert (checkmax >= checkcnt); |
2175 | assert (checkmax >= checkcnt); |
1898 | array_verify (EV_A_ (W *)checks, checkcnt); |
2176 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2177 | #endif |
1899 | |
2178 | |
1900 | # if 0 |
2179 | # if 0 |
|
|
2180 | #if EV_CHILD_ENABLE |
1901 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2181 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1902 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
2182 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2183 | #endif |
1903 | # endif |
2184 | # endif |
1904 | #endif |
2185 | #endif |
1905 | } |
2186 | } |
1906 | #endif |
2187 | #endif |
1907 | |
2188 | |
1908 | #if EV_MULTIPLICITY |
2189 | #if EV_MULTIPLICITY |
1909 | struct ev_loop * |
2190 | struct ev_loop * ecb_cold |
1910 | ev_default_loop_init (unsigned int flags) |
|
|
1911 | #else |
2191 | #else |
1912 | int |
2192 | int |
|
|
2193 | #endif |
1913 | ev_default_loop (unsigned int flags) |
2194 | ev_default_loop (unsigned int flags) |
1914 | #endif |
|
|
1915 | { |
2195 | { |
1916 | if (!ev_default_loop_ptr) |
2196 | if (!ev_default_loop_ptr) |
1917 | { |
2197 | { |
1918 | #if EV_MULTIPLICITY |
2198 | #if EV_MULTIPLICITY |
1919 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2199 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1923 | |
2203 | |
1924 | loop_init (EV_A_ flags); |
2204 | loop_init (EV_A_ flags); |
1925 | |
2205 | |
1926 | if (ev_backend (EV_A)) |
2206 | if (ev_backend (EV_A)) |
1927 | { |
2207 | { |
1928 | #ifndef _WIN32 |
2208 | #if EV_CHILD_ENABLE |
1929 | ev_signal_init (&childev, childcb, SIGCHLD); |
2209 | ev_signal_init (&childev, childcb, SIGCHLD); |
1930 | ev_set_priority (&childev, EV_MAXPRI); |
2210 | ev_set_priority (&childev, EV_MAXPRI); |
1931 | ev_signal_start (EV_A_ &childev); |
2211 | ev_signal_start (EV_A_ &childev); |
1932 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2212 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1933 | #endif |
2213 | #endif |
… | |
… | |
1938 | |
2218 | |
1939 | return ev_default_loop_ptr; |
2219 | return ev_default_loop_ptr; |
1940 | } |
2220 | } |
1941 | |
2221 | |
1942 | void |
2222 | void |
1943 | ev_default_destroy (void) |
2223 | ev_loop_fork (EV_P) |
1944 | { |
2224 | { |
1945 | #if EV_MULTIPLICITY |
|
|
1946 | EV_P = ev_default_loop_ptr; |
|
|
1947 | #endif |
|
|
1948 | |
|
|
1949 | ev_default_loop_ptr = 0; |
|
|
1950 | |
|
|
1951 | #ifndef _WIN32 |
|
|
1952 | ev_ref (EV_A); /* child watcher */ |
|
|
1953 | ev_signal_stop (EV_A_ &childev); |
|
|
1954 | #endif |
|
|
1955 | |
|
|
1956 | loop_destroy (EV_A); |
|
|
1957 | } |
|
|
1958 | |
|
|
1959 | void |
|
|
1960 | ev_default_fork (void) |
|
|
1961 | { |
|
|
1962 | #if EV_MULTIPLICITY |
|
|
1963 | EV_P = ev_default_loop_ptr; |
|
|
1964 | #endif |
|
|
1965 | |
|
|
1966 | postfork = 1; /* must be in line with ev_loop_fork */ |
2225 | postfork = 1; /* must be in line with ev_default_fork */ |
1967 | } |
2226 | } |
1968 | |
2227 | |
1969 | /*****************************************************************************/ |
2228 | /*****************************************************************************/ |
1970 | |
2229 | |
1971 | void |
2230 | void |
… | |
… | |
1993 | |
2252 | |
1994 | for (pri = NUMPRI; pri--; ) |
2253 | for (pri = NUMPRI; pri--; ) |
1995 | while (pendingcnt [pri]) |
2254 | while (pendingcnt [pri]) |
1996 | { |
2255 | { |
1997 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2256 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1998 | |
|
|
1999 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2000 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2001 | |
2257 | |
2002 | p->w->pending = 0; |
2258 | p->w->pending = 0; |
2003 | EV_CB_INVOKE (p->w, p->events); |
2259 | EV_CB_INVOKE (p->w, p->events); |
2004 | EV_FREQUENT_CHECK; |
2260 | EV_FREQUENT_CHECK; |
2005 | } |
2261 | } |
… | |
… | |
2062 | EV_FREQUENT_CHECK; |
2318 | EV_FREQUENT_CHECK; |
2063 | feed_reverse (EV_A_ (W)w); |
2319 | feed_reverse (EV_A_ (W)w); |
2064 | } |
2320 | } |
2065 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2321 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2066 | |
2322 | |
2067 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2323 | feed_reverse_done (EV_A_ EV_TIMER); |
2068 | } |
2324 | } |
2069 | } |
2325 | } |
2070 | |
2326 | |
2071 | #if EV_PERIODIC_ENABLE |
2327 | #if EV_PERIODIC_ENABLE |
|
|
2328 | |
|
|
2329 | static void noinline |
|
|
2330 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2331 | { |
|
|
2332 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2333 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2334 | |
|
|
2335 | /* the above almost always errs on the low side */ |
|
|
2336 | while (at <= ev_rt_now) |
|
|
2337 | { |
|
|
2338 | ev_tstamp nat = at + w->interval; |
|
|
2339 | |
|
|
2340 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2341 | if (expect_false (nat == at)) |
|
|
2342 | { |
|
|
2343 | at = ev_rt_now; |
|
|
2344 | break; |
|
|
2345 | } |
|
|
2346 | |
|
|
2347 | at = nat; |
|
|
2348 | } |
|
|
2349 | |
|
|
2350 | ev_at (w) = at; |
|
|
2351 | } |
|
|
2352 | |
2072 | /* make periodics pending */ |
2353 | /* make periodics pending */ |
2073 | inline_size void |
2354 | inline_size void |
2074 | periodics_reify (EV_P) |
2355 | periodics_reify (EV_P) |
2075 | { |
2356 | { |
2076 | EV_FREQUENT_CHECK; |
2357 | EV_FREQUENT_CHECK; |
… | |
… | |
2095 | ANHE_at_cache (periodics [HEAP0]); |
2376 | ANHE_at_cache (periodics [HEAP0]); |
2096 | downheap (periodics, periodiccnt, HEAP0); |
2377 | downheap (periodics, periodiccnt, HEAP0); |
2097 | } |
2378 | } |
2098 | else if (w->interval) |
2379 | else if (w->interval) |
2099 | { |
2380 | { |
2100 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2381 | periodic_recalc (EV_A_ w); |
2101 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2102 | /* this might happen because of floating point inexactness */ |
|
|
2103 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2104 | { |
|
|
2105 | ev_at (w) += w->interval; |
|
|
2106 | |
|
|
2107 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2108 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2109 | /* has effectively asked to get triggered more often than possible */ |
|
|
2110 | if (ev_at (w) < ev_rt_now) |
|
|
2111 | ev_at (w) = ev_rt_now; |
|
|
2112 | } |
|
|
2113 | |
|
|
2114 | ANHE_at_cache (periodics [HEAP0]); |
2382 | ANHE_at_cache (periodics [HEAP0]); |
2115 | downheap (periodics, periodiccnt, HEAP0); |
2383 | downheap (periodics, periodiccnt, HEAP0); |
2116 | } |
2384 | } |
2117 | else |
2385 | else |
2118 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
2386 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
… | |
… | |
2125 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2393 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2126 | } |
2394 | } |
2127 | } |
2395 | } |
2128 | |
2396 | |
2129 | /* simply recalculate all periodics */ |
2397 | /* simply recalculate all periodics */ |
2130 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2398 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2131 | static void noinline |
2399 | static void noinline ecb_cold |
2132 | periodics_reschedule (EV_P) |
2400 | periodics_reschedule (EV_P) |
2133 | { |
2401 | { |
2134 | int i; |
2402 | int i; |
2135 | |
2403 | |
2136 | /* adjust periodics after time jump */ |
2404 | /* adjust periodics after time jump */ |
… | |
… | |
2139 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2407 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2140 | |
2408 | |
2141 | if (w->reschedule_cb) |
2409 | if (w->reschedule_cb) |
2142 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2410 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2143 | else if (w->interval) |
2411 | else if (w->interval) |
2144 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2412 | periodic_recalc (EV_A_ w); |
2145 | |
2413 | |
2146 | ANHE_at_cache (periodics [i]); |
2414 | ANHE_at_cache (periodics [i]); |
2147 | } |
2415 | } |
2148 | |
2416 | |
2149 | reheap (periodics, periodiccnt); |
2417 | reheap (periodics, periodiccnt); |
2150 | } |
2418 | } |
2151 | #endif |
2419 | #endif |
2152 | |
2420 | |
2153 | /* adjust all timers by a given offset */ |
2421 | /* adjust all timers by a given offset */ |
2154 | static void noinline |
2422 | static void noinline ecb_cold |
2155 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2423 | timers_reschedule (EV_P_ ev_tstamp adjust) |
2156 | { |
2424 | { |
2157 | int i; |
2425 | int i; |
2158 | |
2426 | |
2159 | for (i = 0; i < timercnt; ++i) |
2427 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
2196 | * doesn't hurt either as we only do this on time-jumps or |
2464 | * doesn't hurt either as we only do this on time-jumps or |
2197 | * in the unlikely event of having been preempted here. |
2465 | * in the unlikely event of having been preempted here. |
2198 | */ |
2466 | */ |
2199 | for (i = 4; --i; ) |
2467 | for (i = 4; --i; ) |
2200 | { |
2468 | { |
|
|
2469 | ev_tstamp diff; |
2201 | rtmn_diff = ev_rt_now - mn_now; |
2470 | rtmn_diff = ev_rt_now - mn_now; |
2202 | |
2471 | |
|
|
2472 | diff = odiff - rtmn_diff; |
|
|
2473 | |
2203 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
2474 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
2204 | return; /* all is well */ |
2475 | return; /* all is well */ |
2205 | |
2476 | |
2206 | ev_rt_now = ev_time (); |
2477 | ev_rt_now = ev_time (); |
2207 | mn_now = get_clock (); |
2478 | mn_now = get_clock (); |
2208 | now_floor = mn_now; |
2479 | now_floor = mn_now; |
… | |
… | |
2231 | mn_now = ev_rt_now; |
2502 | mn_now = ev_rt_now; |
2232 | } |
2503 | } |
2233 | } |
2504 | } |
2234 | |
2505 | |
2235 | void |
2506 | void |
2236 | ev_loop (EV_P_ int flags) |
2507 | ev_run (EV_P_ int flags) |
2237 | { |
2508 | { |
2238 | #if EV_MINIMAL < 2 |
2509 | #if EV_FEATURE_API |
2239 | ++loop_depth; |
2510 | ++loop_depth; |
2240 | #endif |
2511 | #endif |
2241 | |
2512 | |
2242 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2513 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2243 | |
2514 | |
2244 | loop_done = EVUNLOOP_CANCEL; |
2515 | loop_done = EVBREAK_CANCEL; |
2245 | |
2516 | |
2246 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2517 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2247 | |
2518 | |
2248 | do |
2519 | do |
2249 | { |
2520 | { |
2250 | #if EV_VERIFY >= 2 |
2521 | #if EV_VERIFY >= 2 |
2251 | ev_loop_verify (EV_A); |
2522 | ev_verify (EV_A); |
2252 | #endif |
2523 | #endif |
2253 | |
2524 | |
2254 | #ifndef _WIN32 |
2525 | #ifndef _WIN32 |
2255 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2526 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2256 | if (expect_false (getpid () != curpid)) |
2527 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2268 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2539 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2269 | EV_INVOKE_PENDING; |
2540 | EV_INVOKE_PENDING; |
2270 | } |
2541 | } |
2271 | #endif |
2542 | #endif |
2272 | |
2543 | |
|
|
2544 | #if EV_PREPARE_ENABLE |
2273 | /* queue prepare watchers (and execute them) */ |
2545 | /* queue prepare watchers (and execute them) */ |
2274 | if (expect_false (preparecnt)) |
2546 | if (expect_false (preparecnt)) |
2275 | { |
2547 | { |
2276 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2548 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2277 | EV_INVOKE_PENDING; |
2549 | EV_INVOKE_PENDING; |
2278 | } |
2550 | } |
|
|
2551 | #endif |
2279 | |
2552 | |
2280 | if (expect_false (loop_done)) |
2553 | if (expect_false (loop_done)) |
2281 | break; |
2554 | break; |
2282 | |
2555 | |
2283 | /* we might have forked, so reify kernel state if necessary */ |
2556 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2290 | /* calculate blocking time */ |
2563 | /* calculate blocking time */ |
2291 | { |
2564 | { |
2292 | ev_tstamp waittime = 0.; |
2565 | ev_tstamp waittime = 0.; |
2293 | ev_tstamp sleeptime = 0.; |
2566 | ev_tstamp sleeptime = 0.; |
2294 | |
2567 | |
|
|
2568 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2569 | ev_tstamp prev_mn_now = mn_now; |
|
|
2570 | |
|
|
2571 | /* update time to cancel out callback processing overhead */ |
|
|
2572 | time_update (EV_A_ 1e100); |
|
|
2573 | |
|
|
2574 | /* from now on, we want a pipe-wake-up */ |
|
|
2575 | pipe_write_wanted = 1; |
|
|
2576 | |
2295 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2577 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2296 | { |
2578 | { |
2297 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2298 | ev_tstamp prev_mn_now = mn_now; |
|
|
2299 | |
|
|
2300 | /* update time to cancel out callback processing overhead */ |
|
|
2301 | time_update (EV_A_ 1e100); |
|
|
2302 | |
|
|
2303 | waittime = MAX_BLOCKTIME; |
2579 | waittime = MAX_BLOCKTIME; |
2304 | |
2580 | |
2305 | if (timercnt) |
2581 | if (timercnt) |
2306 | { |
2582 | { |
2307 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2583 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
2308 | if (waittime > to) waittime = to; |
2584 | if (waittime > to) waittime = to; |
2309 | } |
2585 | } |
2310 | |
2586 | |
2311 | #if EV_PERIODIC_ENABLE |
2587 | #if EV_PERIODIC_ENABLE |
2312 | if (periodiccnt) |
2588 | if (periodiccnt) |
2313 | { |
2589 | { |
2314 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2590 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
2315 | if (waittime > to) waittime = to; |
2591 | if (waittime > to) waittime = to; |
2316 | } |
2592 | } |
2317 | #endif |
2593 | #endif |
2318 | |
2594 | |
2319 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2595 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2320 | if (expect_false (waittime < timeout_blocktime)) |
2596 | if (expect_false (waittime < timeout_blocktime)) |
2321 | waittime = timeout_blocktime; |
2597 | waittime = timeout_blocktime; |
|
|
2598 | |
|
|
2599 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
2600 | /* to pass a minimum nonzero value to the backend */ |
|
|
2601 | if (expect_false (waittime < backend_mintime)) |
|
|
2602 | waittime = backend_mintime; |
2322 | |
2603 | |
2323 | /* extra check because io_blocktime is commonly 0 */ |
2604 | /* extra check because io_blocktime is commonly 0 */ |
2324 | if (expect_false (io_blocktime)) |
2605 | if (expect_false (io_blocktime)) |
2325 | { |
2606 | { |
2326 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2607 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
2327 | |
2608 | |
2328 | if (sleeptime > waittime - backend_fudge) |
2609 | if (sleeptime > waittime - backend_mintime) |
2329 | sleeptime = waittime - backend_fudge; |
2610 | sleeptime = waittime - backend_mintime; |
2330 | |
2611 | |
2331 | if (expect_true (sleeptime > 0.)) |
2612 | if (expect_true (sleeptime > 0.)) |
2332 | { |
2613 | { |
2333 | ev_sleep (sleeptime); |
2614 | ev_sleep (sleeptime); |
2334 | waittime -= sleeptime; |
2615 | waittime -= sleeptime; |
2335 | } |
2616 | } |
2336 | } |
2617 | } |
2337 | } |
2618 | } |
2338 | |
2619 | |
2339 | #if EV_MINIMAL < 2 |
2620 | #if EV_FEATURE_API |
2340 | ++loop_count; |
2621 | ++loop_count; |
2341 | #endif |
2622 | #endif |
2342 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2623 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2343 | backend_poll (EV_A_ waittime); |
2624 | backend_poll (EV_A_ waittime); |
2344 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2625 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
2626 | |
|
|
2627 | pipe_write_wanted = 0; |
|
|
2628 | |
|
|
2629 | if (pipe_write_skipped) |
|
|
2630 | { |
|
|
2631 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
2632 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
2633 | } |
|
|
2634 | |
2345 | |
2635 | |
2346 | /* update ev_rt_now, do magic */ |
2636 | /* update ev_rt_now, do magic */ |
2347 | time_update (EV_A_ waittime + sleeptime); |
2637 | time_update (EV_A_ waittime + sleeptime); |
2348 | } |
2638 | } |
2349 | |
2639 | |
… | |
… | |
2356 | #if EV_IDLE_ENABLE |
2646 | #if EV_IDLE_ENABLE |
2357 | /* queue idle watchers unless other events are pending */ |
2647 | /* queue idle watchers unless other events are pending */ |
2358 | idle_reify (EV_A); |
2648 | idle_reify (EV_A); |
2359 | #endif |
2649 | #endif |
2360 | |
2650 | |
|
|
2651 | #if EV_CHECK_ENABLE |
2361 | /* queue check watchers, to be executed first */ |
2652 | /* queue check watchers, to be executed first */ |
2362 | if (expect_false (checkcnt)) |
2653 | if (expect_false (checkcnt)) |
2363 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2654 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2655 | #endif |
2364 | |
2656 | |
2365 | EV_INVOKE_PENDING; |
2657 | EV_INVOKE_PENDING; |
2366 | } |
2658 | } |
2367 | while (expect_true ( |
2659 | while (expect_true ( |
2368 | activecnt |
2660 | activecnt |
2369 | && !loop_done |
2661 | && !loop_done |
2370 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2662 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2371 | )); |
2663 | )); |
2372 | |
2664 | |
2373 | if (loop_done == EVUNLOOP_ONE) |
2665 | if (loop_done == EVBREAK_ONE) |
2374 | loop_done = EVUNLOOP_CANCEL; |
2666 | loop_done = EVBREAK_CANCEL; |
2375 | |
2667 | |
2376 | #if EV_MINIMAL < 2 |
2668 | #if EV_FEATURE_API |
2377 | --loop_depth; |
2669 | --loop_depth; |
2378 | #endif |
2670 | #endif |
2379 | } |
2671 | } |
2380 | |
2672 | |
2381 | void |
2673 | void |
2382 | ev_unloop (EV_P_ int how) |
2674 | ev_break (EV_P_ int how) |
2383 | { |
2675 | { |
2384 | loop_done = how; |
2676 | loop_done = how; |
2385 | } |
2677 | } |
2386 | |
2678 | |
2387 | void |
2679 | void |
… | |
… | |
2507 | |
2799 | |
2508 | if (expect_false (ev_is_active (w))) |
2800 | if (expect_false (ev_is_active (w))) |
2509 | return; |
2801 | return; |
2510 | |
2802 | |
2511 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2803 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2512 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2804 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2513 | |
2805 | |
2514 | EV_FREQUENT_CHECK; |
2806 | EV_FREQUENT_CHECK; |
2515 | |
2807 | |
2516 | ev_start (EV_A_ (W)w, 1); |
2808 | ev_start (EV_A_ (W)w, 1); |
2517 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2809 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2535 | EV_FREQUENT_CHECK; |
2827 | EV_FREQUENT_CHECK; |
2536 | |
2828 | |
2537 | wlist_del (&anfds[w->fd].head, (WL)w); |
2829 | wlist_del (&anfds[w->fd].head, (WL)w); |
2538 | ev_stop (EV_A_ (W)w); |
2830 | ev_stop (EV_A_ (W)w); |
2539 | |
2831 | |
2540 | fd_change (EV_A_ w->fd, 1); |
2832 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2541 | |
2833 | |
2542 | EV_FREQUENT_CHECK; |
2834 | EV_FREQUENT_CHECK; |
2543 | } |
2835 | } |
2544 | |
2836 | |
2545 | void noinline |
2837 | void noinline |
… | |
… | |
2587 | timers [active] = timers [timercnt + HEAP0]; |
2879 | timers [active] = timers [timercnt + HEAP0]; |
2588 | adjustheap (timers, timercnt, active); |
2880 | adjustheap (timers, timercnt, active); |
2589 | } |
2881 | } |
2590 | } |
2882 | } |
2591 | |
2883 | |
2592 | EV_FREQUENT_CHECK; |
|
|
2593 | |
|
|
2594 | ev_at (w) -= mn_now; |
2884 | ev_at (w) -= mn_now; |
2595 | |
2885 | |
2596 | ev_stop (EV_A_ (W)w); |
2886 | ev_stop (EV_A_ (W)w); |
|
|
2887 | |
|
|
2888 | EV_FREQUENT_CHECK; |
2597 | } |
2889 | } |
2598 | |
2890 | |
2599 | void noinline |
2891 | void noinline |
2600 | ev_timer_again (EV_P_ ev_timer *w) |
2892 | ev_timer_again (EV_P_ ev_timer *w) |
2601 | { |
2893 | { |
… | |
… | |
2637 | if (w->reschedule_cb) |
2929 | if (w->reschedule_cb) |
2638 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2930 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2639 | else if (w->interval) |
2931 | else if (w->interval) |
2640 | { |
2932 | { |
2641 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2933 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2642 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2934 | periodic_recalc (EV_A_ w); |
2643 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2644 | } |
2935 | } |
2645 | else |
2936 | else |
2646 | ev_at (w) = w->offset; |
2937 | ev_at (w) = w->offset; |
2647 | |
2938 | |
2648 | EV_FREQUENT_CHECK; |
2939 | EV_FREQUENT_CHECK; |
… | |
… | |
2680 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2971 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2681 | adjustheap (periodics, periodiccnt, active); |
2972 | adjustheap (periodics, periodiccnt, active); |
2682 | } |
2973 | } |
2683 | } |
2974 | } |
2684 | |
2975 | |
2685 | EV_FREQUENT_CHECK; |
|
|
2686 | |
|
|
2687 | ev_stop (EV_A_ (W)w); |
2976 | ev_stop (EV_A_ (W)w); |
|
|
2977 | |
|
|
2978 | EV_FREQUENT_CHECK; |
2688 | } |
2979 | } |
2689 | |
2980 | |
2690 | void noinline |
2981 | void noinline |
2691 | ev_periodic_again (EV_P_ ev_periodic *w) |
2982 | ev_periodic_again (EV_P_ ev_periodic *w) |
2692 | { |
2983 | { |
… | |
… | |
2697 | #endif |
2988 | #endif |
2698 | |
2989 | |
2699 | #ifndef SA_RESTART |
2990 | #ifndef SA_RESTART |
2700 | # define SA_RESTART 0 |
2991 | # define SA_RESTART 0 |
2701 | #endif |
2992 | #endif |
|
|
2993 | |
|
|
2994 | #if EV_SIGNAL_ENABLE |
2702 | |
2995 | |
2703 | void noinline |
2996 | void noinline |
2704 | ev_signal_start (EV_P_ ev_signal *w) |
2997 | ev_signal_start (EV_P_ ev_signal *w) |
2705 | { |
2998 | { |
2706 | if (expect_false (ev_is_active (w))) |
2999 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2767 | sa.sa_handler = ev_sighandler; |
3060 | sa.sa_handler = ev_sighandler; |
2768 | sigfillset (&sa.sa_mask); |
3061 | sigfillset (&sa.sa_mask); |
2769 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3062 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2770 | sigaction (w->signum, &sa, 0); |
3063 | sigaction (w->signum, &sa, 0); |
2771 | |
3064 | |
|
|
3065 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3066 | { |
2772 | sigemptyset (&sa.sa_mask); |
3067 | sigemptyset (&sa.sa_mask); |
2773 | sigaddset (&sa.sa_mask, w->signum); |
3068 | sigaddset (&sa.sa_mask, w->signum); |
2774 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
3069 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3070 | } |
2775 | #endif |
3071 | #endif |
2776 | } |
3072 | } |
2777 | |
3073 | |
2778 | EV_FREQUENT_CHECK; |
3074 | EV_FREQUENT_CHECK; |
2779 | } |
3075 | } |
… | |
… | |
2813 | } |
3109 | } |
2814 | |
3110 | |
2815 | EV_FREQUENT_CHECK; |
3111 | EV_FREQUENT_CHECK; |
2816 | } |
3112 | } |
2817 | |
3113 | |
|
|
3114 | #endif |
|
|
3115 | |
|
|
3116 | #if EV_CHILD_ENABLE |
|
|
3117 | |
2818 | void |
3118 | void |
2819 | ev_child_start (EV_P_ ev_child *w) |
3119 | ev_child_start (EV_P_ ev_child *w) |
2820 | { |
3120 | { |
2821 | #if EV_MULTIPLICITY |
3121 | #if EV_MULTIPLICITY |
2822 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3122 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2825 | return; |
3125 | return; |
2826 | |
3126 | |
2827 | EV_FREQUENT_CHECK; |
3127 | EV_FREQUENT_CHECK; |
2828 | |
3128 | |
2829 | ev_start (EV_A_ (W)w, 1); |
3129 | ev_start (EV_A_ (W)w, 1); |
2830 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3130 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2831 | |
3131 | |
2832 | EV_FREQUENT_CHECK; |
3132 | EV_FREQUENT_CHECK; |
2833 | } |
3133 | } |
2834 | |
3134 | |
2835 | void |
3135 | void |
… | |
… | |
2839 | if (expect_false (!ev_is_active (w))) |
3139 | if (expect_false (!ev_is_active (w))) |
2840 | return; |
3140 | return; |
2841 | |
3141 | |
2842 | EV_FREQUENT_CHECK; |
3142 | EV_FREQUENT_CHECK; |
2843 | |
3143 | |
2844 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3144 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2845 | ev_stop (EV_A_ (W)w); |
3145 | ev_stop (EV_A_ (W)w); |
2846 | |
3146 | |
2847 | EV_FREQUENT_CHECK; |
3147 | EV_FREQUENT_CHECK; |
2848 | } |
3148 | } |
|
|
3149 | |
|
|
3150 | #endif |
2849 | |
3151 | |
2850 | #if EV_STAT_ENABLE |
3152 | #if EV_STAT_ENABLE |
2851 | |
3153 | |
2852 | # ifdef _WIN32 |
3154 | # ifdef _WIN32 |
2853 | # undef lstat |
3155 | # undef lstat |
… | |
… | |
2859 | #define MIN_STAT_INTERVAL 0.1074891 |
3161 | #define MIN_STAT_INTERVAL 0.1074891 |
2860 | |
3162 | |
2861 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3163 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2862 | |
3164 | |
2863 | #if EV_USE_INOTIFY |
3165 | #if EV_USE_INOTIFY |
2864 | # define EV_INOTIFY_BUFSIZE 8192 |
3166 | |
|
|
3167 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3168 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2865 | |
3169 | |
2866 | static void noinline |
3170 | static void noinline |
2867 | infy_add (EV_P_ ev_stat *w) |
3171 | infy_add (EV_P_ ev_stat *w) |
2868 | { |
3172 | { |
2869 | 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); |
3173 | 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); |
… | |
… | |
2912 | if (!pend || pend == path) |
3216 | if (!pend || pend == path) |
2913 | break; |
3217 | break; |
2914 | |
3218 | |
2915 | *pend = 0; |
3219 | *pend = 0; |
2916 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3220 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2917 | } |
3221 | } |
2918 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3222 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2919 | } |
3223 | } |
2920 | } |
3224 | } |
2921 | |
3225 | |
2922 | if (w->wd >= 0) |
3226 | if (w->wd >= 0) |
2923 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3227 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2924 | |
3228 | |
2925 | /* now re-arm timer, if required */ |
3229 | /* now re-arm timer, if required */ |
2926 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3230 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2927 | ev_timer_again (EV_A_ &w->timer); |
3231 | ev_timer_again (EV_A_ &w->timer); |
2928 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
3232 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
… | |
… | |
2936 | |
3240 | |
2937 | if (wd < 0) |
3241 | if (wd < 0) |
2938 | return; |
3242 | return; |
2939 | |
3243 | |
2940 | w->wd = -2; |
3244 | w->wd = -2; |
2941 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3245 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2942 | wlist_del (&fs_hash [slot].head, (WL)w); |
3246 | wlist_del (&fs_hash [slot].head, (WL)w); |
2943 | |
3247 | |
2944 | /* remove this watcher, if others are watching it, they will rearm */ |
3248 | /* remove this watcher, if others are watching it, they will rearm */ |
2945 | inotify_rm_watch (fs_fd, wd); |
3249 | inotify_rm_watch (fs_fd, wd); |
2946 | } |
3250 | } |
… | |
… | |
2948 | static void noinline |
3252 | static void noinline |
2949 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3253 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2950 | { |
3254 | { |
2951 | if (slot < 0) |
3255 | if (slot < 0) |
2952 | /* overflow, need to check for all hash slots */ |
3256 | /* overflow, need to check for all hash slots */ |
2953 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3257 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2954 | infy_wd (EV_A_ slot, wd, ev); |
3258 | infy_wd (EV_A_ slot, wd, ev); |
2955 | else |
3259 | else |
2956 | { |
3260 | { |
2957 | WL w_; |
3261 | WL w_; |
2958 | |
3262 | |
2959 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3263 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2960 | { |
3264 | { |
2961 | ev_stat *w = (ev_stat *)w_; |
3265 | ev_stat *w = (ev_stat *)w_; |
2962 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3266 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2963 | |
3267 | |
2964 | if (w->wd == wd || wd == -1) |
3268 | if (w->wd == wd || wd == -1) |
2965 | { |
3269 | { |
2966 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3270 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2967 | { |
3271 | { |
2968 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3272 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2969 | w->wd = -1; |
3273 | w->wd = -1; |
2970 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3274 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2971 | } |
3275 | } |
2972 | |
3276 | |
2973 | stat_timer_cb (EV_A_ &w->timer, 0); |
3277 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2978 | |
3282 | |
2979 | static void |
3283 | static void |
2980 | infy_cb (EV_P_ ev_io *w, int revents) |
3284 | infy_cb (EV_P_ ev_io *w, int revents) |
2981 | { |
3285 | { |
2982 | char buf [EV_INOTIFY_BUFSIZE]; |
3286 | char buf [EV_INOTIFY_BUFSIZE]; |
2983 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2984 | int ofs; |
3287 | int ofs; |
2985 | int len = read (fs_fd, buf, sizeof (buf)); |
3288 | int len = read (fs_fd, buf, sizeof (buf)); |
2986 | |
3289 | |
2987 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3290 | for (ofs = 0; ofs < len; ) |
|
|
3291 | { |
|
|
3292 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2988 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3293 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3294 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3295 | } |
2989 | } |
3296 | } |
2990 | |
3297 | |
2991 | inline_size void |
3298 | inline_size void ecb_cold |
2992 | check_2625 (EV_P) |
3299 | ev_check_2625 (EV_P) |
2993 | { |
3300 | { |
2994 | /* kernels < 2.6.25 are borked |
3301 | /* kernels < 2.6.25 are borked |
2995 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3302 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2996 | */ |
3303 | */ |
2997 | struct utsname buf; |
3304 | if (ev_linux_version () < 0x020619) |
2998 | int major, minor, micro; |
|
|
2999 | |
|
|
3000 | if (uname (&buf)) |
|
|
3001 | return; |
|
|
3002 | |
|
|
3003 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
3004 | return; |
|
|
3005 | |
|
|
3006 | if (major < 2 |
|
|
3007 | || (major == 2 && minor < 6) |
|
|
3008 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
3009 | return; |
3305 | return; |
3010 | |
3306 | |
3011 | fs_2625 = 1; |
3307 | fs_2625 = 1; |
3012 | } |
3308 | } |
3013 | |
3309 | |
… | |
… | |
3028 | if (fs_fd != -2) |
3324 | if (fs_fd != -2) |
3029 | return; |
3325 | return; |
3030 | |
3326 | |
3031 | fs_fd = -1; |
3327 | fs_fd = -1; |
3032 | |
3328 | |
3033 | check_2625 (EV_A); |
3329 | ev_check_2625 (EV_A); |
3034 | |
3330 | |
3035 | fs_fd = infy_newfd (); |
3331 | fs_fd = infy_newfd (); |
3036 | |
3332 | |
3037 | if (fs_fd >= 0) |
3333 | if (fs_fd >= 0) |
3038 | { |
3334 | { |
… | |
… | |
3063 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3359 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3064 | ev_io_start (EV_A_ &fs_w); |
3360 | ev_io_start (EV_A_ &fs_w); |
3065 | ev_unref (EV_A); |
3361 | ev_unref (EV_A); |
3066 | } |
3362 | } |
3067 | |
3363 | |
3068 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3364 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3069 | { |
3365 | { |
3070 | WL w_ = fs_hash [slot].head; |
3366 | WL w_ = fs_hash [slot].head; |
3071 | fs_hash [slot].head = 0; |
3367 | fs_hash [slot].head = 0; |
3072 | |
3368 | |
3073 | while (w_) |
3369 | while (w_) |
… | |
… | |
3248 | |
3544 | |
3249 | EV_FREQUENT_CHECK; |
3545 | EV_FREQUENT_CHECK; |
3250 | } |
3546 | } |
3251 | #endif |
3547 | #endif |
3252 | |
3548 | |
|
|
3549 | #if EV_PREPARE_ENABLE |
3253 | void |
3550 | void |
3254 | ev_prepare_start (EV_P_ ev_prepare *w) |
3551 | ev_prepare_start (EV_P_ ev_prepare *w) |
3255 | { |
3552 | { |
3256 | if (expect_false (ev_is_active (w))) |
3553 | if (expect_false (ev_is_active (w))) |
3257 | return; |
3554 | return; |
… | |
… | |
3283 | |
3580 | |
3284 | ev_stop (EV_A_ (W)w); |
3581 | ev_stop (EV_A_ (W)w); |
3285 | |
3582 | |
3286 | EV_FREQUENT_CHECK; |
3583 | EV_FREQUENT_CHECK; |
3287 | } |
3584 | } |
|
|
3585 | #endif |
3288 | |
3586 | |
|
|
3587 | #if EV_CHECK_ENABLE |
3289 | void |
3588 | void |
3290 | ev_check_start (EV_P_ ev_check *w) |
3589 | ev_check_start (EV_P_ ev_check *w) |
3291 | { |
3590 | { |
3292 | if (expect_false (ev_is_active (w))) |
3591 | if (expect_false (ev_is_active (w))) |
3293 | return; |
3592 | return; |
… | |
… | |
3319 | |
3618 | |
3320 | ev_stop (EV_A_ (W)w); |
3619 | ev_stop (EV_A_ (W)w); |
3321 | |
3620 | |
3322 | EV_FREQUENT_CHECK; |
3621 | EV_FREQUENT_CHECK; |
3323 | } |
3622 | } |
|
|
3623 | #endif |
3324 | |
3624 | |
3325 | #if EV_EMBED_ENABLE |
3625 | #if EV_EMBED_ENABLE |
3326 | void noinline |
3626 | void noinline |
3327 | ev_embed_sweep (EV_P_ ev_embed *w) |
3627 | ev_embed_sweep (EV_P_ ev_embed *w) |
3328 | { |
3628 | { |
3329 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3629 | ev_run (w->other, EVRUN_NOWAIT); |
3330 | } |
3630 | } |
3331 | |
3631 | |
3332 | static void |
3632 | static void |
3333 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3633 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3334 | { |
3634 | { |
3335 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3635 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3336 | |
3636 | |
3337 | if (ev_cb (w)) |
3637 | if (ev_cb (w)) |
3338 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3638 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3339 | else |
3639 | else |
3340 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3640 | ev_run (w->other, EVRUN_NOWAIT); |
3341 | } |
3641 | } |
3342 | |
3642 | |
3343 | static void |
3643 | static void |
3344 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3644 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3345 | { |
3645 | { |
… | |
… | |
3349 | EV_P = w->other; |
3649 | EV_P = w->other; |
3350 | |
3650 | |
3351 | while (fdchangecnt) |
3651 | while (fdchangecnt) |
3352 | { |
3652 | { |
3353 | fd_reify (EV_A); |
3653 | fd_reify (EV_A); |
3354 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3654 | ev_run (EV_A_ EVRUN_NOWAIT); |
3355 | } |
3655 | } |
3356 | } |
3656 | } |
3357 | } |
3657 | } |
3358 | |
3658 | |
3359 | static void |
3659 | static void |
… | |
… | |
3365 | |
3665 | |
3366 | { |
3666 | { |
3367 | EV_P = w->other; |
3667 | EV_P = w->other; |
3368 | |
3668 | |
3369 | ev_loop_fork (EV_A); |
3669 | ev_loop_fork (EV_A); |
3370 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3670 | ev_run (EV_A_ EVRUN_NOWAIT); |
3371 | } |
3671 | } |
3372 | |
3672 | |
3373 | ev_embed_start (EV_A_ w); |
3673 | ev_embed_start (EV_A_ w); |
3374 | } |
3674 | } |
3375 | |
3675 | |
… | |
… | |
3423 | |
3723 | |
3424 | ev_io_stop (EV_A_ &w->io); |
3724 | ev_io_stop (EV_A_ &w->io); |
3425 | ev_prepare_stop (EV_A_ &w->prepare); |
3725 | ev_prepare_stop (EV_A_ &w->prepare); |
3426 | ev_fork_stop (EV_A_ &w->fork); |
3726 | ev_fork_stop (EV_A_ &w->fork); |
3427 | |
3727 | |
|
|
3728 | ev_stop (EV_A_ (W)w); |
|
|
3729 | |
3428 | EV_FREQUENT_CHECK; |
3730 | EV_FREQUENT_CHECK; |
3429 | } |
3731 | } |
3430 | #endif |
3732 | #endif |
3431 | |
3733 | |
3432 | #if EV_FORK_ENABLE |
3734 | #if EV_FORK_ENABLE |
… | |
… | |
3465 | |
3767 | |
3466 | EV_FREQUENT_CHECK; |
3768 | EV_FREQUENT_CHECK; |
3467 | } |
3769 | } |
3468 | #endif |
3770 | #endif |
3469 | |
3771 | |
|
|
3772 | #if EV_CLEANUP_ENABLE |
|
|
3773 | void |
|
|
3774 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
|
|
3775 | { |
|
|
3776 | if (expect_false (ev_is_active (w))) |
|
|
3777 | return; |
|
|
3778 | |
|
|
3779 | EV_FREQUENT_CHECK; |
|
|
3780 | |
|
|
3781 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3782 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3783 | cleanups [cleanupcnt - 1] = w; |
|
|
3784 | |
|
|
3785 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3786 | ev_unref (EV_A); |
|
|
3787 | EV_FREQUENT_CHECK; |
|
|
3788 | } |
|
|
3789 | |
|
|
3790 | void |
|
|
3791 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3792 | { |
|
|
3793 | clear_pending (EV_A_ (W)w); |
|
|
3794 | if (expect_false (!ev_is_active (w))) |
|
|
3795 | return; |
|
|
3796 | |
|
|
3797 | EV_FREQUENT_CHECK; |
|
|
3798 | ev_ref (EV_A); |
|
|
3799 | |
|
|
3800 | { |
|
|
3801 | int active = ev_active (w); |
|
|
3802 | |
|
|
3803 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3804 | ev_active (cleanups [active - 1]) = active; |
|
|
3805 | } |
|
|
3806 | |
|
|
3807 | ev_stop (EV_A_ (W)w); |
|
|
3808 | |
|
|
3809 | EV_FREQUENT_CHECK; |
|
|
3810 | } |
|
|
3811 | #endif |
|
|
3812 | |
3470 | #if EV_ASYNC_ENABLE |
3813 | #if EV_ASYNC_ENABLE |
3471 | void |
3814 | void |
3472 | ev_async_start (EV_P_ ev_async *w) |
3815 | ev_async_start (EV_P_ ev_async *w) |
3473 | { |
3816 | { |
3474 | if (expect_false (ev_is_active (w))) |
3817 | if (expect_false (ev_is_active (w))) |
3475 | return; |
3818 | return; |
|
|
3819 | |
|
|
3820 | w->sent = 0; |
3476 | |
3821 | |
3477 | evpipe_init (EV_A); |
3822 | evpipe_init (EV_A); |
3478 | |
3823 | |
3479 | EV_FREQUENT_CHECK; |
3824 | EV_FREQUENT_CHECK; |
3480 | |
3825 | |
… | |
… | |
3558 | { |
3903 | { |
3559 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3904 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3560 | |
3905 | |
3561 | if (expect_false (!once)) |
3906 | if (expect_false (!once)) |
3562 | { |
3907 | { |
3563 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3908 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3564 | return; |
3909 | return; |
3565 | } |
3910 | } |
3566 | |
3911 | |
3567 | once->cb = cb; |
3912 | once->cb = cb; |
3568 | once->arg = arg; |
3913 | once->arg = arg; |
… | |
… | |
3583 | } |
3928 | } |
3584 | |
3929 | |
3585 | /*****************************************************************************/ |
3930 | /*****************************************************************************/ |
3586 | |
3931 | |
3587 | #if EV_WALK_ENABLE |
3932 | #if EV_WALK_ENABLE |
3588 | void |
3933 | void ecb_cold |
3589 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3934 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
3590 | { |
3935 | { |
3591 | int i, j; |
3936 | int i, j; |
3592 | ev_watcher_list *wl, *wn; |
3937 | ev_watcher_list *wl, *wn; |
3593 | |
3938 | |
… | |
… | |
3655 | if (types & EV_ASYNC) |
4000 | if (types & EV_ASYNC) |
3656 | for (i = asynccnt; i--; ) |
4001 | for (i = asynccnt; i--; ) |
3657 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
4002 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3658 | #endif |
4003 | #endif |
3659 | |
4004 | |
|
|
4005 | #if EV_PREPARE_ENABLE |
3660 | if (types & EV_PREPARE) |
4006 | if (types & EV_PREPARE) |
3661 | for (i = preparecnt; i--; ) |
4007 | for (i = preparecnt; i--; ) |
3662 | #if EV_EMBED_ENABLE |
4008 | # if EV_EMBED_ENABLE |
3663 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
4009 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3664 | #endif |
4010 | # endif |
3665 | cb (EV_A_ EV_PREPARE, prepares [i]); |
4011 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
4012 | #endif |
3666 | |
4013 | |
|
|
4014 | #if EV_CHECK_ENABLE |
3667 | if (types & EV_CHECK) |
4015 | if (types & EV_CHECK) |
3668 | for (i = checkcnt; i--; ) |
4016 | for (i = checkcnt; i--; ) |
3669 | cb (EV_A_ EV_CHECK, checks [i]); |
4017 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
4018 | #endif |
3670 | |
4019 | |
|
|
4020 | #if EV_SIGNAL_ENABLE |
3671 | if (types & EV_SIGNAL) |
4021 | if (types & EV_SIGNAL) |
3672 | for (i = 0; i < EV_NSIG - 1; ++i) |
4022 | for (i = 0; i < EV_NSIG - 1; ++i) |
3673 | for (wl = signals [i].head; wl; ) |
4023 | for (wl = signals [i].head; wl; ) |
3674 | { |
4024 | { |
3675 | wn = wl->next; |
4025 | wn = wl->next; |
3676 | cb (EV_A_ EV_SIGNAL, wl); |
4026 | cb (EV_A_ EV_SIGNAL, wl); |
3677 | wl = wn; |
4027 | wl = wn; |
3678 | } |
4028 | } |
|
|
4029 | #endif |
3679 | |
4030 | |
|
|
4031 | #if EV_CHILD_ENABLE |
3680 | if (types & EV_CHILD) |
4032 | if (types & EV_CHILD) |
3681 | for (i = EV_PID_HASHSIZE; i--; ) |
4033 | for (i = (EV_PID_HASHSIZE); i--; ) |
3682 | for (wl = childs [i]; wl; ) |
4034 | for (wl = childs [i]; wl; ) |
3683 | { |
4035 | { |
3684 | wn = wl->next; |
4036 | wn = wl->next; |
3685 | cb (EV_A_ EV_CHILD, wl); |
4037 | cb (EV_A_ EV_CHILD, wl); |
3686 | wl = wn; |
4038 | wl = wn; |
3687 | } |
4039 | } |
|
|
4040 | #endif |
3688 | /* EV_STAT 0x00001000 /* stat data changed */ |
4041 | /* EV_STAT 0x00001000 /* stat data changed */ |
3689 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
4042 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3690 | } |
4043 | } |
3691 | #endif |
4044 | #endif |
3692 | |
4045 | |
3693 | #if EV_MULTIPLICITY |
4046 | #if EV_MULTIPLICITY |
3694 | #include "ev_wrap.h" |
4047 | #include "ev_wrap.h" |
3695 | #endif |
4048 | #endif |
3696 | |
4049 | |
3697 | #ifdef __cplusplus |
4050 | EV_CPP(}) |
3698 | } |
|
|
3699 | #endif |
|
|
3700 | |
4051 | |