1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
49 | # include "config.h" |
45 | # include "config.h" |
50 | # endif |
46 | # endif |
51 | |
47 | |
|
|
48 | # if HAVE_CLOCK_SYSCALL |
|
|
49 | # ifndef EV_USE_CLOCK_SYSCALL |
|
|
50 | # define EV_USE_CLOCK_SYSCALL 1 |
|
|
51 | # ifndef EV_USE_REALTIME |
|
|
52 | # define EV_USE_REALTIME 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_MONOTONIC |
|
|
55 | # define EV_USE_MONOTONIC 1 |
|
|
56 | # endif |
|
|
57 | # endif |
|
|
58 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
59 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
60 | # endif |
|
|
61 | |
52 | # if HAVE_CLOCK_GETTIME |
62 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
63 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
64 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
65 | # endif |
56 | # ifndef EV_USE_REALTIME |
66 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
67 | # define EV_USE_REALTIME 0 |
58 | # endif |
68 | # endif |
59 | # else |
69 | # else |
60 | # ifndef EV_USE_MONOTONIC |
70 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
71 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
72 | # endif |
63 | # ifndef EV_USE_REALTIME |
73 | # ifndef EV_USE_REALTIME |
64 | # define EV_USE_REALTIME 0 |
74 | # define EV_USE_REALTIME 0 |
65 | # endif |
75 | # endif |
66 | # endif |
76 | # endif |
67 | |
77 | |
|
|
78 | # if HAVE_NANOSLEEP |
68 | # ifndef EV_USE_NANOSLEEP |
79 | # ifndef EV_USE_NANOSLEEP |
69 | # if HAVE_NANOSLEEP |
|
|
70 | # define EV_USE_NANOSLEEP 1 |
80 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
|
|
81 | # endif |
71 | # else |
82 | # else |
|
|
83 | # undef EV_USE_NANOSLEEP |
72 | # define EV_USE_NANOSLEEP 0 |
84 | # define EV_USE_NANOSLEEP 0 |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
|
|
88 | # ifndef EV_USE_SELECT |
|
|
89 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
73 | # endif |
90 | # endif |
|
|
91 | # else |
|
|
92 | # undef EV_USE_SELECT |
|
|
93 | # define EV_USE_SELECT 0 |
74 | # endif |
94 | # endif |
75 | |
95 | |
|
|
96 | # if HAVE_POLL && HAVE_POLL_H |
76 | # ifndef EV_USE_SELECT |
97 | # ifndef EV_USE_POLL |
77 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
78 | # define EV_USE_SELECT 1 |
|
|
79 | # else |
|
|
80 | # define EV_USE_SELECT 0 |
|
|
81 | # endif |
99 | # endif |
82 | # endif |
|
|
83 | |
|
|
84 | # ifndef EV_USE_POLL |
|
|
85 | # if HAVE_POLL && HAVE_POLL_H |
|
|
86 | # define EV_USE_POLL 1 |
|
|
87 | # else |
100 | # else |
|
|
101 | # undef EV_USE_POLL |
88 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
89 | # endif |
|
|
90 | # endif |
103 | # endif |
91 | |
104 | |
92 | # ifndef EV_USE_EPOLL |
|
|
93 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
105 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
94 | # define EV_USE_EPOLL 1 |
106 | # ifndef EV_USE_EPOLL |
95 | # else |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
96 | # define EV_USE_EPOLL 0 |
|
|
97 | # endif |
108 | # endif |
|
|
109 | # else |
|
|
110 | # undef EV_USE_EPOLL |
|
|
111 | # define EV_USE_EPOLL 0 |
98 | # endif |
112 | # endif |
99 | |
113 | |
|
|
114 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
100 | # ifndef EV_USE_KQUEUE |
115 | # ifndef EV_USE_KQUEUE |
101 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
102 | # define EV_USE_KQUEUE 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_KQUEUE 0 |
|
|
105 | # endif |
117 | # endif |
|
|
118 | # else |
|
|
119 | # undef EV_USE_KQUEUE |
|
|
120 | # define EV_USE_KQUEUE 0 |
106 | # endif |
121 | # endif |
107 | |
122 | |
108 | # ifndef EV_USE_PORT |
|
|
109 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
110 | # define EV_USE_PORT 1 |
124 | # ifndef EV_USE_PORT |
111 | # else |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
112 | # define EV_USE_PORT 0 |
|
|
113 | # endif |
126 | # endif |
|
|
127 | # else |
|
|
128 | # undef EV_USE_PORT |
|
|
129 | # define EV_USE_PORT 0 |
114 | # endif |
130 | # endif |
115 | |
131 | |
116 | # ifndef EV_USE_INOTIFY |
|
|
117 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
118 | # define EV_USE_INOTIFY 1 |
133 | # ifndef EV_USE_INOTIFY |
119 | # else |
|
|
120 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
121 | # endif |
135 | # endif |
|
|
136 | # else |
|
|
137 | # undef EV_USE_INOTIFY |
|
|
138 | # define EV_USE_INOTIFY 0 |
122 | # endif |
139 | # endif |
123 | |
140 | |
|
|
141 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
124 | # ifndef EV_USE_EVENTFD |
142 | # ifndef EV_USE_SIGNALFD |
125 | # if HAVE_EVENTFD |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
126 | # define EV_USE_EVENTFD 1 |
|
|
127 | # else |
|
|
128 | # define EV_USE_EVENTFD 0 |
|
|
129 | # endif |
144 | # endif |
|
|
145 | # else |
|
|
146 | # undef EV_USE_SIGNALFD |
|
|
147 | # define EV_USE_SIGNALFD 0 |
|
|
148 | # endif |
|
|
149 | |
|
|
150 | # if HAVE_EVENTFD |
|
|
151 | # ifndef EV_USE_EVENTFD |
|
|
152 | # define EV_USE_EVENTFD EV_FEATURE_OS |
|
|
153 | # endif |
|
|
154 | # else |
|
|
155 | # undef EV_USE_EVENTFD |
|
|
156 | # define EV_USE_EVENTFD 0 |
130 | # endif |
157 | # endif |
131 | |
158 | |
132 | #endif |
159 | #endif |
133 | |
160 | |
134 | #include <math.h> |
161 | #include <math.h> |
135 | #include <stdlib.h> |
162 | #include <stdlib.h> |
|
|
163 | #include <string.h> |
136 | #include <fcntl.h> |
164 | #include <fcntl.h> |
137 | #include <stddef.h> |
165 | #include <stddef.h> |
138 | |
166 | |
139 | #include <stdio.h> |
167 | #include <stdio.h> |
140 | |
168 | |
141 | #include <assert.h> |
169 | #include <assert.h> |
142 | #include <errno.h> |
170 | #include <errno.h> |
143 | #include <sys/types.h> |
171 | #include <sys/types.h> |
144 | #include <time.h> |
172 | #include <time.h> |
|
|
173 | #include <limits.h> |
145 | |
174 | |
146 | #include <signal.h> |
175 | #include <signal.h> |
147 | |
176 | |
148 | #ifdef EV_H |
177 | #ifdef EV_H |
149 | # include EV_H |
178 | # include EV_H |
150 | #else |
179 | #else |
151 | # include "ev.h" |
180 | # include "ev.h" |
152 | #endif |
181 | #endif |
|
|
182 | |
|
|
183 | EV_CPP(extern "C" {) |
153 | |
184 | |
154 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
186 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
157 | # include <unistd.h> |
188 | # include <unistd.h> |
… | |
… | |
160 | # define WIN32_LEAN_AND_MEAN |
191 | # define WIN32_LEAN_AND_MEAN |
161 | # include <windows.h> |
192 | # include <windows.h> |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
164 | # endif |
195 | # endif |
|
|
196 | # undef EV_AVOID_STDIO |
165 | #endif |
197 | #endif |
|
|
198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
|
|
201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
|
|
203 | * This might help. Or not. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
166 | |
206 | |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
|
|
208 | |
|
|
209 | /* try to deduce the maximum number of signals on this platform */ |
|
|
210 | #if defined (EV_NSIG) |
|
|
211 | /* use what's provided */ |
|
|
212 | #elif defined (NSIG) |
|
|
213 | # define EV_NSIG (NSIG) |
|
|
214 | #elif defined(_NSIG) |
|
|
215 | # define EV_NSIG (_NSIG) |
|
|
216 | #elif defined (SIGMAX) |
|
|
217 | # define EV_NSIG (SIGMAX+1) |
|
|
218 | #elif defined (SIG_MAX) |
|
|
219 | # define EV_NSIG (SIG_MAX+1) |
|
|
220 | #elif defined (_SIG_MAX) |
|
|
221 | # define EV_NSIG (_SIG_MAX+1) |
|
|
222 | #elif defined (MAXSIG) |
|
|
223 | # define EV_NSIG (MAXSIG+1) |
|
|
224 | #elif defined (MAX_SIG) |
|
|
225 | # define EV_NSIG (MAX_SIG+1) |
|
|
226 | #elif defined (SIGARRAYSIZE) |
|
|
227 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
|
|
228 | #elif defined (_sys_nsig) |
|
|
229 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
230 | #else |
|
|
231 | # error "unable to find value for NSIG, please report" |
|
|
232 | /* to make it compile regardless, just remove the above line, */ |
|
|
233 | /* but consider reporting it, too! :) */ |
|
|
234 | # define EV_NSIG 65 |
|
|
235 | #endif |
|
|
236 | |
|
|
237 | #ifndef EV_USE_CLOCK_SYSCALL |
|
|
238 | # if __linux && __GLIBC__ >= 2 |
|
|
239 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
|
|
240 | # else |
|
|
241 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
242 | # endif |
|
|
243 | #endif |
168 | |
244 | |
169 | #ifndef EV_USE_MONOTONIC |
245 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
246 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
247 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
172 | # else |
248 | # else |
173 | # define EV_USE_MONOTONIC 0 |
249 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
250 | # endif |
175 | #endif |
251 | #endif |
176 | |
252 | |
177 | #ifndef EV_USE_REALTIME |
253 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
254 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
255 | #endif |
180 | |
256 | |
181 | #ifndef EV_USE_NANOSLEEP |
257 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
258 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
259 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
184 | # else |
260 | # else |
185 | # define EV_USE_NANOSLEEP 0 |
261 | # define EV_USE_NANOSLEEP 0 |
186 | # endif |
262 | # endif |
187 | #endif |
263 | #endif |
188 | |
264 | |
189 | #ifndef EV_USE_SELECT |
265 | #ifndef EV_USE_SELECT |
190 | # define EV_USE_SELECT 1 |
266 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
191 | #endif |
267 | #endif |
192 | |
268 | |
193 | #ifndef EV_USE_POLL |
269 | #ifndef EV_USE_POLL |
194 | # ifdef _WIN32 |
270 | # ifdef _WIN32 |
195 | # define EV_USE_POLL 0 |
271 | # define EV_USE_POLL 0 |
196 | # else |
272 | # else |
197 | # define EV_USE_POLL 1 |
273 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
198 | # endif |
274 | # endif |
199 | #endif |
275 | #endif |
200 | |
276 | |
201 | #ifndef EV_USE_EPOLL |
277 | #ifndef EV_USE_EPOLL |
202 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
278 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
203 | # define EV_USE_EPOLL 1 |
279 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
204 | # else |
280 | # else |
205 | # define EV_USE_EPOLL 0 |
281 | # define EV_USE_EPOLL 0 |
206 | # endif |
282 | # endif |
207 | #endif |
283 | #endif |
208 | |
284 | |
… | |
… | |
214 | # define EV_USE_PORT 0 |
290 | # define EV_USE_PORT 0 |
215 | #endif |
291 | #endif |
216 | |
292 | |
217 | #ifndef EV_USE_INOTIFY |
293 | #ifndef EV_USE_INOTIFY |
218 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
294 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
219 | # define EV_USE_INOTIFY 1 |
295 | # define EV_USE_INOTIFY EV_FEATURE_OS |
220 | # else |
296 | # else |
221 | # define EV_USE_INOTIFY 0 |
297 | # define EV_USE_INOTIFY 0 |
222 | # endif |
298 | # endif |
223 | #endif |
299 | #endif |
224 | |
300 | |
225 | #ifndef EV_PID_HASHSIZE |
301 | #ifndef EV_PID_HASHSIZE |
226 | # if EV_MINIMAL |
302 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
227 | # define EV_PID_HASHSIZE 1 |
|
|
228 | # else |
|
|
229 | # define EV_PID_HASHSIZE 16 |
|
|
230 | # endif |
|
|
231 | #endif |
303 | #endif |
232 | |
304 | |
233 | #ifndef EV_INOTIFY_HASHSIZE |
305 | #ifndef EV_INOTIFY_HASHSIZE |
234 | # if EV_MINIMAL |
306 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
235 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
236 | # else |
|
|
237 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
238 | # endif |
|
|
239 | #endif |
307 | #endif |
240 | |
308 | |
241 | #ifndef EV_USE_EVENTFD |
309 | #ifndef EV_USE_EVENTFD |
242 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
243 | # define EV_USE_EVENTFD 1 |
311 | # define EV_USE_EVENTFD EV_FEATURE_OS |
244 | # else |
312 | # else |
245 | # define EV_USE_EVENTFD 0 |
313 | # define EV_USE_EVENTFD 0 |
|
|
314 | # endif |
|
|
315 | #endif |
|
|
316 | |
|
|
317 | #ifndef EV_USE_SIGNALFD |
|
|
318 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
319 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
|
|
320 | # else |
|
|
321 | # define EV_USE_SIGNALFD 0 |
246 | # endif |
322 | # endif |
247 | #endif |
323 | #endif |
248 | |
324 | |
249 | #if 0 /* debugging */ |
325 | #if 0 /* debugging */ |
250 | # define EV_VERIFY 3 |
326 | # define EV_VERIFY 3 |
251 | # define EV_USE_4HEAP 1 |
327 | # define EV_USE_4HEAP 1 |
252 | # define EV_HEAP_CACHE_AT 1 |
328 | # define EV_HEAP_CACHE_AT 1 |
253 | #endif |
329 | #endif |
254 | |
330 | |
255 | #ifndef EV_VERIFY |
331 | #ifndef EV_VERIFY |
256 | # define EV_VERIFY !EV_MINIMAL |
332 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
257 | #endif |
333 | #endif |
258 | |
334 | |
259 | #ifndef EV_USE_4HEAP |
335 | #ifndef EV_USE_4HEAP |
260 | # define EV_USE_4HEAP !EV_MINIMAL |
336 | # define EV_USE_4HEAP EV_FEATURE_DATA |
261 | #endif |
337 | #endif |
262 | |
338 | |
263 | #ifndef EV_HEAP_CACHE_AT |
339 | #ifndef EV_HEAP_CACHE_AT |
264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
340 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
|
|
341 | #endif |
|
|
342 | |
|
|
343 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
344 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
345 | #if EV_USE_CLOCK_SYSCALL |
|
|
346 | # include <syscall.h> |
|
|
347 | # ifdef SYS_clock_gettime |
|
|
348 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
349 | # undef EV_USE_MONOTONIC |
|
|
350 | # define EV_USE_MONOTONIC 1 |
|
|
351 | # else |
|
|
352 | # undef EV_USE_CLOCK_SYSCALL |
|
|
353 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
354 | # endif |
265 | #endif |
355 | #endif |
266 | |
356 | |
267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
357 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
|
|
358 | |
|
|
359 | #ifdef _AIX |
|
|
360 | /* AIX has a completely broken poll.h header */ |
|
|
361 | # undef EV_USE_POLL |
|
|
362 | # define EV_USE_POLL 0 |
|
|
363 | #endif |
268 | |
364 | |
269 | #ifndef CLOCK_MONOTONIC |
365 | #ifndef CLOCK_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
366 | # undef EV_USE_MONOTONIC |
271 | # define EV_USE_MONOTONIC 0 |
367 | # define EV_USE_MONOTONIC 0 |
272 | #endif |
368 | #endif |
… | |
… | |
286 | # include <sys/select.h> |
382 | # include <sys/select.h> |
287 | # endif |
383 | # endif |
288 | #endif |
384 | #endif |
289 | |
385 | |
290 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
291 | # include <sys/utsname.h> |
387 | # include <sys/statfs.h> |
292 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
294 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
295 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
296 | # define EV_USE_INOTIFY 0 |
392 | # define EV_USE_INOTIFY 0 |
… | |
… | |
302 | #endif |
398 | #endif |
303 | |
399 | |
304 | #if EV_USE_EVENTFD |
400 | #if EV_USE_EVENTFD |
305 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
401 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
306 | # include <stdint.h> |
402 | # include <stdint.h> |
307 | # ifdef __cplusplus |
403 | # ifndef EFD_NONBLOCK |
308 | extern "C" { |
404 | # define EFD_NONBLOCK O_NONBLOCK |
309 | # endif |
405 | # endif |
310 | int eventfd (unsigned int initval, int flags); |
406 | # ifndef EFD_CLOEXEC |
311 | # ifdef __cplusplus |
407 | # ifdef O_CLOEXEC |
312 | } |
408 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
409 | # else |
|
|
410 | # define EFD_CLOEXEC 02000000 |
|
|
411 | # endif |
313 | # endif |
412 | # endif |
|
|
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
|
|
414 | #endif |
|
|
415 | |
|
|
416 | #if EV_USE_SIGNALFD |
|
|
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
418 | # include <stdint.h> |
|
|
419 | # ifndef SFD_NONBLOCK |
|
|
420 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
421 | # endif |
|
|
422 | # ifndef SFD_CLOEXEC |
|
|
423 | # ifdef O_CLOEXEC |
|
|
424 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
425 | # else |
|
|
426 | # define SFD_CLOEXEC 02000000 |
|
|
427 | # endif |
|
|
428 | # endif |
|
|
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
430 | |
|
|
431 | struct signalfd_siginfo |
|
|
432 | { |
|
|
433 | uint32_t ssi_signo; |
|
|
434 | char pad[128 - sizeof (uint32_t)]; |
|
|
435 | }; |
314 | #endif |
436 | #endif |
315 | |
437 | |
316 | /**/ |
438 | /**/ |
317 | |
439 | |
318 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
319 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
320 | #else |
442 | #else |
321 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | # define EV_FREQUENT_CHECK do { } while (0) |
322 | #endif |
444 | #endif |
323 | |
445 | |
324 | /* |
446 | /* |
… | |
… | |
331 | */ |
453 | */ |
332 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
333 | |
455 | |
334 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
335 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
336 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
337 | |
461 | |
338 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
339 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
340 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
341 | #else |
465 | #else |
… | |
… | |
348 | |
472 | |
349 | #define expect_false(expr) expect ((expr) != 0, 0) |
473 | #define expect_false(expr) expect ((expr) != 0, 0) |
350 | #define expect_true(expr) expect ((expr) != 0, 1) |
474 | #define expect_true(expr) expect ((expr) != 0, 1) |
351 | #define inline_size static inline |
475 | #define inline_size static inline |
352 | |
476 | |
353 | #if EV_MINIMAL |
477 | #if EV_FEATURE_CODE |
|
|
478 | # define inline_speed static inline |
|
|
479 | #else |
354 | # define inline_speed static noinline |
480 | # define inline_speed static noinline |
|
|
481 | #endif |
|
|
482 | |
|
|
483 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
484 | |
|
|
485 | #if EV_MINPRI == EV_MAXPRI |
|
|
486 | # define ABSPRI(w) (((W)w), 0) |
355 | #else |
487 | #else |
356 | # define inline_speed static inline |
|
|
357 | #endif |
|
|
358 | |
|
|
359 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
360 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
488 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
489 | #endif |
361 | |
490 | |
362 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
491 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
363 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
492 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
364 | |
493 | |
365 | typedef ev_watcher *W; |
494 | typedef ev_watcher *W; |
… | |
… | |
367 | typedef ev_watcher_time *WT; |
496 | typedef ev_watcher_time *WT; |
368 | |
497 | |
369 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
370 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
371 | |
500 | |
|
|
501 | #if EV_USE_REALTIME |
|
|
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
503 | /* giving it a reasonably high chance of working on typical architectures */ |
|
|
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
505 | #endif |
|
|
506 | |
372 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
509 | #endif |
|
|
510 | |
|
|
511 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
512 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
513 | #endif |
|
|
514 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
515 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
516 | #endif |
|
|
517 | #ifndef EV_WIN32_CLOSE_FD |
|
|
518 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
376 | #endif |
519 | #endif |
377 | |
520 | |
378 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
379 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
380 | #endif |
523 | #endif |
381 | |
524 | |
382 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
|
|
569 | #if EV_AVOID_STDIO |
|
|
570 | static void noinline |
|
|
571 | ev_printerr (const char *msg) |
|
|
572 | { |
|
|
573 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
574 | } |
|
|
575 | #endif |
383 | |
576 | |
384 | static void (*syserr_cb)(const char *msg); |
577 | static void (*syserr_cb)(const char *msg); |
385 | |
578 | |
386 | void |
579 | void |
387 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
580 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
397 | |
590 | |
398 | if (syserr_cb) |
591 | if (syserr_cb) |
399 | syserr_cb (msg); |
592 | syserr_cb (msg); |
400 | else |
593 | else |
401 | { |
594 | { |
|
|
595 | #if EV_AVOID_STDIO |
|
|
596 | ev_printerr (msg); |
|
|
597 | ev_printerr (": "); |
|
|
598 | ev_printerr (strerror (errno)); |
|
|
599 | ev_printerr ("\n"); |
|
|
600 | #else |
402 | perror (msg); |
601 | perror (msg); |
|
|
602 | #endif |
403 | abort (); |
603 | abort (); |
404 | } |
604 | } |
405 | } |
605 | } |
406 | |
606 | |
407 | static void * |
607 | static void * |
408 | ev_realloc_emul (void *ptr, long size) |
608 | ev_realloc_emul (void *ptr, long size) |
409 | { |
609 | { |
|
|
610 | #if __GLIBC__ |
|
|
611 | return realloc (ptr, size); |
|
|
612 | #else |
410 | /* some systems, notably openbsd and darwin, fail to properly |
613 | /* some systems, notably openbsd and darwin, fail to properly |
411 | * implement realloc (x, 0) (as required by both ansi c-98 and |
614 | * implement realloc (x, 0) (as required by both ansi c-89 and |
412 | * the single unix specification, so work around them here. |
615 | * the single unix specification, so work around them here. |
413 | */ |
616 | */ |
414 | |
617 | |
415 | if (size) |
618 | if (size) |
416 | return realloc (ptr, size); |
619 | return realloc (ptr, size); |
417 | |
620 | |
418 | free (ptr); |
621 | free (ptr); |
419 | return 0; |
622 | return 0; |
|
|
623 | #endif |
420 | } |
624 | } |
421 | |
625 | |
422 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
626 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
423 | |
627 | |
424 | void |
628 | void |
… | |
… | |
432 | { |
636 | { |
433 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
434 | |
638 | |
435 | if (!ptr && size) |
639 | if (!ptr && size) |
436 | { |
640 | { |
|
|
641 | #if EV_AVOID_STDIO |
|
|
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
643 | #else |
437 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
645 | #endif |
438 | abort (); |
646 | abort (); |
439 | } |
647 | } |
440 | |
648 | |
441 | return ptr; |
649 | return ptr; |
442 | } |
650 | } |
… | |
… | |
444 | #define ev_malloc(size) ev_realloc (0, (size)) |
652 | #define ev_malloc(size) ev_realloc (0, (size)) |
445 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
653 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
446 | |
654 | |
447 | /*****************************************************************************/ |
655 | /*****************************************************************************/ |
448 | |
656 | |
|
|
657 | /* set in reify when reification needed */ |
|
|
658 | #define EV_ANFD_REIFY 1 |
|
|
659 | |
|
|
660 | /* file descriptor info structure */ |
449 | typedef struct |
661 | typedef struct |
450 | { |
662 | { |
451 | WL head; |
663 | WL head; |
452 | unsigned char events; |
664 | unsigned char events; /* the events watched for */ |
453 | unsigned char reify; |
665 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
666 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
455 | unsigned char unused; |
667 | unsigned char unused; |
456 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
458 | #endif |
670 | #endif |
459 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
460 | SOCKET handle; |
672 | SOCKET handle; |
461 | #endif |
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
|
|
676 | #endif |
462 | } ANFD; |
677 | } ANFD; |
463 | |
678 | |
|
|
679 | /* stores the pending event set for a given watcher */ |
464 | typedef struct |
680 | typedef struct |
465 | { |
681 | { |
466 | W w; |
682 | W w; |
467 | int events; |
683 | int events; /* the pending event set for the given watcher */ |
468 | } ANPENDING; |
684 | } ANPENDING; |
469 | |
685 | |
470 | #if EV_USE_INOTIFY |
686 | #if EV_USE_INOTIFY |
471 | /* hash table entry per inotify-id */ |
687 | /* hash table entry per inotify-id */ |
472 | typedef struct |
688 | typedef struct |
… | |
… | |
475 | } ANFS; |
691 | } ANFS; |
476 | #endif |
692 | #endif |
477 | |
693 | |
478 | /* Heap Entry */ |
694 | /* Heap Entry */ |
479 | #if EV_HEAP_CACHE_AT |
695 | #if EV_HEAP_CACHE_AT |
|
|
696 | /* a heap element */ |
480 | typedef struct { |
697 | typedef struct { |
481 | ev_tstamp at; |
698 | ev_tstamp at; |
482 | WT w; |
699 | WT w; |
483 | } ANHE; |
700 | } ANHE; |
484 | |
701 | |
485 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
702 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
486 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
703 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
487 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
704 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
488 | #else |
705 | #else |
|
|
706 | /* a heap element */ |
489 | typedef WT ANHE; |
707 | typedef WT ANHE; |
490 | |
708 | |
491 | #define ANHE_w(he) (he) |
709 | #define ANHE_w(he) (he) |
492 | #define ANHE_at(he) (he)->at |
710 | #define ANHE_at(he) (he)->at |
493 | #define ANHE_at_cache(he) |
711 | #define ANHE_at_cache(he) |
… | |
… | |
517 | |
735 | |
518 | static int ev_default_loop_ptr; |
736 | static int ev_default_loop_ptr; |
519 | |
737 | |
520 | #endif |
738 | #endif |
521 | |
739 | |
|
|
740 | #if EV_FEATURE_API |
|
|
741 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
742 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
743 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
744 | #else |
|
|
745 | # define EV_RELEASE_CB (void)0 |
|
|
746 | # define EV_ACQUIRE_CB (void)0 |
|
|
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
748 | #endif |
|
|
749 | |
|
|
750 | #define EVBREAK_RECURSE 0x80 |
|
|
751 | |
522 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
523 | |
753 | |
|
|
754 | #ifndef EV_HAVE_EV_TIME |
524 | ev_tstamp |
755 | ev_tstamp |
525 | ev_time (void) |
756 | ev_time (void) |
526 | { |
757 | { |
527 | #if EV_USE_REALTIME |
758 | #if EV_USE_REALTIME |
|
|
759 | if (expect_true (have_realtime)) |
|
|
760 | { |
528 | struct timespec ts; |
761 | struct timespec ts; |
529 | clock_gettime (CLOCK_REALTIME, &ts); |
762 | clock_gettime (CLOCK_REALTIME, &ts); |
530 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
763 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
531 | #else |
764 | } |
|
|
765 | #endif |
|
|
766 | |
532 | struct timeval tv; |
767 | struct timeval tv; |
533 | gettimeofday (&tv, 0); |
768 | gettimeofday (&tv, 0); |
534 | return tv.tv_sec + tv.tv_usec * 1e-6; |
769 | return tv.tv_sec + tv.tv_usec * 1e-6; |
535 | #endif |
|
|
536 | } |
770 | } |
|
|
771 | #endif |
537 | |
772 | |
538 | ev_tstamp inline_size |
773 | inline_size ev_tstamp |
539 | get_clock (void) |
774 | get_clock (void) |
540 | { |
775 | { |
541 | #if EV_USE_MONOTONIC |
776 | #if EV_USE_MONOTONIC |
542 | if (expect_true (have_monotonic)) |
777 | if (expect_true (have_monotonic)) |
543 | { |
778 | { |
… | |
… | |
564 | if (delay > 0.) |
799 | if (delay > 0.) |
565 | { |
800 | { |
566 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
567 | struct timespec ts; |
802 | struct timespec ts; |
568 | |
803 | |
569 | ts.tv_sec = (time_t)delay; |
804 | EV_TS_SET (ts, delay); |
570 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
571 | |
|
|
572 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
573 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
574 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
575 | #else |
808 | #else |
576 | struct timeval tv; |
809 | struct timeval tv; |
577 | |
810 | |
578 | tv.tv_sec = (time_t)delay; |
|
|
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
580 | |
|
|
581 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
582 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
583 | /* by older ones */ |
813 | /* by older ones */ |
|
|
814 | EV_TV_SET (tv, delay); |
584 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
585 | #endif |
816 | #endif |
586 | } |
817 | } |
587 | } |
818 | } |
588 | |
819 | |
589 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
590 | |
821 | |
591 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
822 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
592 | |
823 | |
593 | int inline_size |
824 | /* find a suitable new size for the given array, */ |
|
|
825 | /* hopefully by rounding to a nice-to-malloc size */ |
|
|
826 | inline_size int |
594 | array_nextsize (int elem, int cur, int cnt) |
827 | array_nextsize (int elem, int cur, int cnt) |
595 | { |
828 | { |
596 | int ncur = cur + 1; |
829 | int ncur = cur + 1; |
597 | |
830 | |
598 | do |
831 | do |
… | |
… | |
639 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
872 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
640 | } |
873 | } |
641 | #endif |
874 | #endif |
642 | |
875 | |
643 | #define array_free(stem, idx) \ |
876 | #define array_free(stem, idx) \ |
644 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
877 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
645 | |
878 | |
646 | /*****************************************************************************/ |
879 | /*****************************************************************************/ |
|
|
880 | |
|
|
881 | /* dummy callback for pending events */ |
|
|
882 | static void noinline |
|
|
883 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
884 | { |
|
|
885 | } |
647 | |
886 | |
648 | void noinline |
887 | void noinline |
649 | ev_feed_event (EV_P_ void *w, int revents) |
888 | ev_feed_event (EV_P_ void *w, int revents) |
650 | { |
889 | { |
651 | W w_ = (W)w; |
890 | W w_ = (W)w; |
… | |
… | |
660 | pendings [pri][w_->pending - 1].w = w_; |
899 | pendings [pri][w_->pending - 1].w = w_; |
661 | pendings [pri][w_->pending - 1].events = revents; |
900 | pendings [pri][w_->pending - 1].events = revents; |
662 | } |
901 | } |
663 | } |
902 | } |
664 | |
903 | |
665 | void inline_speed |
904 | inline_speed void |
|
|
905 | feed_reverse (EV_P_ W w) |
|
|
906 | { |
|
|
907 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
908 | rfeeds [rfeedcnt++] = w; |
|
|
909 | } |
|
|
910 | |
|
|
911 | inline_size void |
|
|
912 | feed_reverse_done (EV_P_ int revents) |
|
|
913 | { |
|
|
914 | do |
|
|
915 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
916 | while (rfeedcnt); |
|
|
917 | } |
|
|
918 | |
|
|
919 | inline_speed void |
666 | queue_events (EV_P_ W *events, int eventcnt, int type) |
920 | queue_events (EV_P_ W *events, int eventcnt, int type) |
667 | { |
921 | { |
668 | int i; |
922 | int i; |
669 | |
923 | |
670 | for (i = 0; i < eventcnt; ++i) |
924 | for (i = 0; i < eventcnt; ++i) |
671 | ev_feed_event (EV_A_ events [i], type); |
925 | ev_feed_event (EV_A_ events [i], type); |
672 | } |
926 | } |
673 | |
927 | |
674 | /*****************************************************************************/ |
928 | /*****************************************************************************/ |
675 | |
929 | |
676 | void inline_speed |
930 | inline_speed void |
677 | fd_event (EV_P_ int fd, int revents) |
931 | fd_event_nocheck (EV_P_ int fd, int revents) |
678 | { |
932 | { |
679 | ANFD *anfd = anfds + fd; |
933 | ANFD *anfd = anfds + fd; |
680 | ev_io *w; |
934 | ev_io *w; |
681 | |
935 | |
682 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
936 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
686 | if (ev) |
940 | if (ev) |
687 | ev_feed_event (EV_A_ (W)w, ev); |
941 | ev_feed_event (EV_A_ (W)w, ev); |
688 | } |
942 | } |
689 | } |
943 | } |
690 | |
944 | |
|
|
945 | /* do not submit kernel events for fds that have reify set */ |
|
|
946 | /* because that means they changed while we were polling for new events */ |
|
|
947 | inline_speed void |
|
|
948 | fd_event (EV_P_ int fd, int revents) |
|
|
949 | { |
|
|
950 | ANFD *anfd = anfds + fd; |
|
|
951 | |
|
|
952 | if (expect_true (!anfd->reify)) |
|
|
953 | fd_event_nocheck (EV_A_ fd, revents); |
|
|
954 | } |
|
|
955 | |
691 | void |
956 | void |
692 | ev_feed_fd_event (EV_P_ int fd, int revents) |
957 | ev_feed_fd_event (EV_P_ int fd, int revents) |
693 | { |
958 | { |
694 | if (fd >= 0 && fd < anfdmax) |
959 | if (fd >= 0 && fd < anfdmax) |
695 | fd_event (EV_A_ fd, revents); |
960 | fd_event_nocheck (EV_A_ fd, revents); |
696 | } |
961 | } |
697 | |
962 | |
698 | void inline_size |
963 | /* make sure the external fd watch events are in-sync */ |
|
|
964 | /* with the kernel/libev internal state */ |
|
|
965 | inline_size void |
699 | fd_reify (EV_P) |
966 | fd_reify (EV_P) |
700 | { |
967 | { |
701 | int i; |
968 | int i; |
702 | |
969 | |
703 | for (i = 0; i < fdchangecnt; ++i) |
970 | for (i = 0; i < fdchangecnt; ++i) |
704 | { |
971 | { |
705 | int fd = fdchanges [i]; |
972 | int fd = fdchanges [i]; |
706 | ANFD *anfd = anfds + fd; |
973 | ANFD *anfd = anfds + fd; |
707 | ev_io *w; |
974 | ev_io *w; |
708 | |
975 | |
709 | unsigned char events = 0; |
976 | unsigned char o_events = anfd->events; |
|
|
977 | unsigned char o_reify = anfd->reify; |
710 | |
978 | |
711 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
979 | anfd->reify = 0; |
712 | events |= (unsigned char)w->events; |
|
|
713 | |
980 | |
714 | #if EV_SELECT_IS_WINSOCKET |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
715 | if (events) |
982 | if (o_reify & EV__IOFDSET) |
716 | { |
983 | { |
717 | unsigned long arg; |
984 | unsigned long arg; |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
720 | #else |
|
|
721 | anfd->handle = _get_osfhandle (fd); |
|
|
722 | #endif |
|
|
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
724 | } |
988 | } |
725 | #endif |
989 | #endif |
726 | |
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
727 | { |
992 | { |
728 | unsigned char o_events = anfd->events; |
|
|
729 | unsigned char o_reify = anfd->reify; |
|
|
730 | |
|
|
731 | anfd->reify = 0; |
|
|
732 | anfd->events = events; |
993 | anfd->events = 0; |
733 | |
994 | |
734 | if (o_events != events || o_reify & EV_IOFDSET) |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
996 | anfd->events |= (unsigned char)w->events; |
|
|
997 | |
|
|
998 | if (o_events != anfd->events) |
|
|
999 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | if (o_reify & EV__IOFDSET) |
735 | backend_modify (EV_A_ fd, o_events, events); |
1003 | backend_modify (EV_A_ fd, o_events, anfd->events); |
736 | } |
|
|
737 | } |
1004 | } |
738 | |
1005 | |
739 | fdchangecnt = 0; |
1006 | fdchangecnt = 0; |
740 | } |
1007 | } |
741 | |
1008 | |
742 | void inline_size |
1009 | /* something about the given fd changed */ |
|
|
1010 | inline_size void |
743 | fd_change (EV_P_ int fd, int flags) |
1011 | fd_change (EV_P_ int fd, int flags) |
744 | { |
1012 | { |
745 | unsigned char reify = anfds [fd].reify; |
1013 | unsigned char reify = anfds [fd].reify; |
746 | anfds [fd].reify |= flags; |
1014 | anfds [fd].reify |= flags; |
747 | |
1015 | |
… | |
… | |
751 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
1019 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
752 | fdchanges [fdchangecnt - 1] = fd; |
1020 | fdchanges [fdchangecnt - 1] = fd; |
753 | } |
1021 | } |
754 | } |
1022 | } |
755 | |
1023 | |
756 | void inline_speed |
1024 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
1025 | inline_speed void |
757 | fd_kill (EV_P_ int fd) |
1026 | fd_kill (EV_P_ int fd) |
758 | { |
1027 | { |
759 | ev_io *w; |
1028 | ev_io *w; |
760 | |
1029 | |
761 | while ((w = (ev_io *)anfds [fd].head)) |
1030 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
763 | ev_io_stop (EV_A_ w); |
1032 | ev_io_stop (EV_A_ w); |
764 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1033 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
765 | } |
1034 | } |
766 | } |
1035 | } |
767 | |
1036 | |
768 | int inline_size |
1037 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1038 | inline_size int |
769 | fd_valid (int fd) |
1039 | fd_valid (int fd) |
770 | { |
1040 | { |
771 | #ifdef _WIN32 |
1041 | #ifdef _WIN32 |
772 | return _get_osfhandle (fd) != -1; |
1042 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
773 | #else |
1043 | #else |
774 | return fcntl (fd, F_GETFD) != -1; |
1044 | return fcntl (fd, F_GETFD) != -1; |
775 | #endif |
1045 | #endif |
776 | } |
1046 | } |
777 | |
1047 | |
… | |
… | |
795 | |
1065 | |
796 | for (fd = anfdmax; fd--; ) |
1066 | for (fd = anfdmax; fd--; ) |
797 | if (anfds [fd].events) |
1067 | if (anfds [fd].events) |
798 | { |
1068 | { |
799 | fd_kill (EV_A_ fd); |
1069 | fd_kill (EV_A_ fd); |
800 | return; |
1070 | break; |
801 | } |
1071 | } |
802 | } |
1072 | } |
803 | |
1073 | |
804 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1074 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
805 | static void noinline |
1075 | static void noinline |
… | |
… | |
810 | for (fd = 0; fd < anfdmax; ++fd) |
1080 | for (fd = 0; fd < anfdmax; ++fd) |
811 | if (anfds [fd].events) |
1081 | if (anfds [fd].events) |
812 | { |
1082 | { |
813 | anfds [fd].events = 0; |
1083 | anfds [fd].events = 0; |
814 | anfds [fd].emask = 0; |
1084 | anfds [fd].emask = 0; |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1085 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
816 | } |
1086 | } |
817 | } |
1087 | } |
818 | |
1088 | |
|
|
1089 | /* used to prepare libev internal fd's */ |
|
|
1090 | /* this is not fork-safe */ |
|
|
1091 | inline_speed void |
|
|
1092 | fd_intern (int fd) |
|
|
1093 | { |
|
|
1094 | #ifdef _WIN32 |
|
|
1095 | unsigned long arg = 1; |
|
|
1096 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1097 | #else |
|
|
1098 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1099 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1100 | #endif |
|
|
1101 | } |
|
|
1102 | |
819 | /*****************************************************************************/ |
1103 | /*****************************************************************************/ |
820 | |
1104 | |
821 | /* |
1105 | /* |
822 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1106 | * the heap functions want a real array index. array index 0 is guaranteed to not |
823 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1107 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
824 | * the branching factor of the d-tree. |
1108 | * the branching factor of the d-tree. |
825 | */ |
1109 | */ |
826 | |
1110 | |
827 | /* |
1111 | /* |
… | |
… | |
836 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
1120 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
837 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
1121 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
838 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
1122 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
839 | |
1123 | |
840 | /* away from the root */ |
1124 | /* away from the root */ |
841 | void inline_speed |
1125 | inline_speed void |
842 | downheap (ANHE *heap, int N, int k) |
1126 | downheap (ANHE *heap, int N, int k) |
843 | { |
1127 | { |
844 | ANHE he = heap [k]; |
1128 | ANHE he = heap [k]; |
845 | ANHE *E = heap + N + HEAP0; |
1129 | ANHE *E = heap + N + HEAP0; |
846 | |
1130 | |
… | |
… | |
886 | #define HEAP0 1 |
1170 | #define HEAP0 1 |
887 | #define HPARENT(k) ((k) >> 1) |
1171 | #define HPARENT(k) ((k) >> 1) |
888 | #define UPHEAP_DONE(p,k) (!(p)) |
1172 | #define UPHEAP_DONE(p,k) (!(p)) |
889 | |
1173 | |
890 | /* away from the root */ |
1174 | /* away from the root */ |
891 | void inline_speed |
1175 | inline_speed void |
892 | downheap (ANHE *heap, int N, int k) |
1176 | downheap (ANHE *heap, int N, int k) |
893 | { |
1177 | { |
894 | ANHE he = heap [k]; |
1178 | ANHE he = heap [k]; |
895 | |
1179 | |
896 | for (;;) |
1180 | for (;;) |
897 | { |
1181 | { |
898 | int c = k << 1; |
1182 | int c = k << 1; |
899 | |
1183 | |
900 | if (c > N + HEAP0 - 1) |
1184 | if (c >= N + HEAP0) |
901 | break; |
1185 | break; |
902 | |
1186 | |
903 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1187 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
904 | ? 1 : 0; |
1188 | ? 1 : 0; |
905 | |
1189 | |
… | |
… | |
916 | ev_active (ANHE_w (he)) = k; |
1200 | ev_active (ANHE_w (he)) = k; |
917 | } |
1201 | } |
918 | #endif |
1202 | #endif |
919 | |
1203 | |
920 | /* towards the root */ |
1204 | /* towards the root */ |
921 | void inline_speed |
1205 | inline_speed void |
922 | upheap (ANHE *heap, int k) |
1206 | upheap (ANHE *heap, int k) |
923 | { |
1207 | { |
924 | ANHE he = heap [k]; |
1208 | ANHE he = heap [k]; |
925 | |
1209 | |
926 | for (;;) |
1210 | for (;;) |
… | |
… | |
937 | |
1221 | |
938 | heap [k] = he; |
1222 | heap [k] = he; |
939 | ev_active (ANHE_w (he)) = k; |
1223 | ev_active (ANHE_w (he)) = k; |
940 | } |
1224 | } |
941 | |
1225 | |
942 | void inline_size |
1226 | /* move an element suitably so it is in a correct place */ |
|
|
1227 | inline_size void |
943 | adjustheap (ANHE *heap, int N, int k) |
1228 | adjustheap (ANHE *heap, int N, int k) |
944 | { |
1229 | { |
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1230 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
946 | upheap (heap, k); |
1231 | upheap (heap, k); |
947 | else |
1232 | else |
948 | downheap (heap, N, k); |
1233 | downheap (heap, N, k); |
949 | } |
1234 | } |
950 | |
1235 | |
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
1236 | /* rebuild the heap: this function is used only once and executed rarely */ |
952 | void inline_size |
1237 | inline_size void |
953 | reheap (ANHE *heap, int N) |
1238 | reheap (ANHE *heap, int N) |
954 | { |
1239 | { |
955 | int i; |
1240 | int i; |
956 | |
1241 | |
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1242 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
960 | upheap (heap, i + HEAP0); |
1245 | upheap (heap, i + HEAP0); |
961 | } |
1246 | } |
962 | |
1247 | |
963 | /*****************************************************************************/ |
1248 | /*****************************************************************************/ |
964 | |
1249 | |
|
|
1250 | /* associate signal watchers to a signal signal */ |
965 | typedef struct |
1251 | typedef struct |
966 | { |
1252 | { |
|
|
1253 | EV_ATOMIC_T pending; |
|
|
1254 | #if EV_MULTIPLICITY |
|
|
1255 | EV_P; |
|
|
1256 | #endif |
967 | WL head; |
1257 | WL head; |
968 | EV_ATOMIC_T gotsig; |
|
|
969 | } ANSIG; |
1258 | } ANSIG; |
970 | |
1259 | |
971 | static ANSIG *signals; |
1260 | static ANSIG signals [EV_NSIG - 1]; |
972 | static int signalmax; |
|
|
973 | |
|
|
974 | static EV_ATOMIC_T gotsig; |
|
|
975 | |
1261 | |
976 | /*****************************************************************************/ |
1262 | /*****************************************************************************/ |
977 | |
1263 | |
978 | void inline_speed |
1264 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
979 | fd_intern (int fd) |
|
|
980 | { |
|
|
981 | #ifdef _WIN32 |
|
|
982 | unsigned long arg = 1; |
|
|
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
984 | #else |
|
|
985 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
986 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
987 | #endif |
|
|
988 | } |
|
|
989 | |
1265 | |
990 | static void noinline |
1266 | static void noinline |
991 | evpipe_init (EV_P) |
1267 | evpipe_init (EV_P) |
992 | { |
1268 | { |
993 | if (!ev_is_active (&pipeev)) |
1269 | if (!ev_is_active (&pipe_w)) |
994 | { |
1270 | { |
995 | #if EV_USE_EVENTFD |
1271 | # if EV_USE_EVENTFD |
|
|
1272 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1273 | if (evfd < 0 && errno == EINVAL) |
996 | if ((evfd = eventfd (0, 0)) >= 0) |
1274 | evfd = eventfd (0, 0); |
|
|
1275 | |
|
|
1276 | if (evfd >= 0) |
997 | { |
1277 | { |
998 | evpipe [0] = -1; |
1278 | evpipe [0] = -1; |
999 | fd_intern (evfd); |
1279 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1000 | ev_io_set (&pipeev, evfd, EV_READ); |
1280 | ev_io_set (&pipe_w, evfd, EV_READ); |
1001 | } |
1281 | } |
1002 | else |
1282 | else |
1003 | #endif |
1283 | # endif |
1004 | { |
1284 | { |
1005 | while (pipe (evpipe)) |
1285 | while (pipe (evpipe)) |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
1286 | ev_syserr ("(libev) error creating signal/async pipe"); |
1007 | |
1287 | |
1008 | fd_intern (evpipe [0]); |
1288 | fd_intern (evpipe [0]); |
1009 | fd_intern (evpipe [1]); |
1289 | fd_intern (evpipe [1]); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1290 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1011 | } |
1291 | } |
1012 | |
1292 | |
1013 | ev_io_start (EV_A_ &pipeev); |
1293 | ev_io_start (EV_A_ &pipe_w); |
1014 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1294 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1015 | } |
1295 | } |
1016 | } |
1296 | } |
1017 | |
1297 | |
1018 | void inline_size |
1298 | inline_size void |
1019 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1299 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1020 | { |
1300 | { |
1021 | if (!*flag) |
1301 | if (!*flag) |
1022 | { |
1302 | { |
1023 | int old_errno = errno; /* save errno because write might clobber it */ |
1303 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1304 | char dummy; |
1024 | |
1305 | |
1025 | *flag = 1; |
1306 | *flag = 1; |
1026 | |
1307 | |
1027 | #if EV_USE_EVENTFD |
1308 | #if EV_USE_EVENTFD |
1028 | if (evfd >= 0) |
1309 | if (evfd >= 0) |
… | |
… | |
1030 | uint64_t counter = 1; |
1311 | uint64_t counter = 1; |
1031 | write (evfd, &counter, sizeof (uint64_t)); |
1312 | write (evfd, &counter, sizeof (uint64_t)); |
1032 | } |
1313 | } |
1033 | else |
1314 | else |
1034 | #endif |
1315 | #endif |
|
|
1316 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1317 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1318 | /* so when you think this write should be a send instead, please find out */ |
|
|
1319 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1320 | /* tell me. thank you. */ |
1035 | write (evpipe [1], &old_errno, 1); |
1321 | write (evpipe [1], &dummy, 1); |
1036 | |
1322 | |
1037 | errno = old_errno; |
1323 | errno = old_errno; |
1038 | } |
1324 | } |
1039 | } |
1325 | } |
1040 | |
1326 | |
|
|
1327 | /* called whenever the libev signal pipe */ |
|
|
1328 | /* got some events (signal, async) */ |
1041 | static void |
1329 | static void |
1042 | pipecb (EV_P_ ev_io *iow, int revents) |
1330 | pipecb (EV_P_ ev_io *iow, int revents) |
1043 | { |
1331 | { |
|
|
1332 | int i; |
|
|
1333 | |
1044 | #if EV_USE_EVENTFD |
1334 | #if EV_USE_EVENTFD |
1045 | if (evfd >= 0) |
1335 | if (evfd >= 0) |
1046 | { |
1336 | { |
1047 | uint64_t counter; |
1337 | uint64_t counter; |
1048 | read (evfd, &counter, sizeof (uint64_t)); |
1338 | read (evfd, &counter, sizeof (uint64_t)); |
1049 | } |
1339 | } |
1050 | else |
1340 | else |
1051 | #endif |
1341 | #endif |
1052 | { |
1342 | { |
1053 | char dummy; |
1343 | char dummy; |
|
|
1344 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1054 | read (evpipe [0], &dummy, 1); |
1345 | read (evpipe [0], &dummy, 1); |
1055 | } |
1346 | } |
1056 | |
1347 | |
1057 | if (gotsig && ev_is_default_loop (EV_A)) |
1348 | if (sig_pending) |
1058 | { |
1349 | { |
1059 | int signum; |
1350 | sig_pending = 0; |
1060 | gotsig = 0; |
|
|
1061 | |
1351 | |
1062 | for (signum = signalmax; signum--; ) |
1352 | for (i = EV_NSIG - 1; i--; ) |
1063 | if (signals [signum].gotsig) |
1353 | if (expect_false (signals [i].pending)) |
1064 | ev_feed_signal_event (EV_A_ signum + 1); |
1354 | ev_feed_signal_event (EV_A_ i + 1); |
1065 | } |
1355 | } |
1066 | |
1356 | |
1067 | #if EV_ASYNC_ENABLE |
1357 | #if EV_ASYNC_ENABLE |
1068 | if (gotasync) |
1358 | if (async_pending) |
1069 | { |
1359 | { |
1070 | int i; |
1360 | async_pending = 0; |
1071 | gotasync = 0; |
|
|
1072 | |
1361 | |
1073 | for (i = asynccnt; i--; ) |
1362 | for (i = asynccnt; i--; ) |
1074 | if (asyncs [i]->sent) |
1363 | if (asyncs [i]->sent) |
1075 | { |
1364 | { |
1076 | asyncs [i]->sent = 0; |
1365 | asyncs [i]->sent = 0; |
… | |
… | |
1080 | #endif |
1369 | #endif |
1081 | } |
1370 | } |
1082 | |
1371 | |
1083 | /*****************************************************************************/ |
1372 | /*****************************************************************************/ |
1084 | |
1373 | |
|
|
1374 | void |
|
|
1375 | ev_feed_signal (int signum) |
|
|
1376 | { |
|
|
1377 | #if EV_MULTIPLICITY |
|
|
1378 | EV_P = signals [signum - 1].loop; |
|
|
1379 | |
|
|
1380 | if (!EV_A) |
|
|
1381 | return; |
|
|
1382 | #endif |
|
|
1383 | |
|
|
1384 | signals [signum - 1].pending = 1; |
|
|
1385 | evpipe_write (EV_A_ &sig_pending); |
|
|
1386 | } |
|
|
1387 | |
1085 | static void |
1388 | static void |
1086 | ev_sighandler (int signum) |
1389 | ev_sighandler (int signum) |
1087 | { |
1390 | { |
1088 | #if EV_MULTIPLICITY |
|
|
1089 | struct ev_loop *loop = &default_loop_struct; |
|
|
1090 | #endif |
|
|
1091 | |
|
|
1092 | #if _WIN32 |
1391 | #ifdef _WIN32 |
1093 | signal (signum, ev_sighandler); |
1392 | signal (signum, ev_sighandler); |
1094 | #endif |
1393 | #endif |
1095 | |
1394 | |
1096 | signals [signum - 1].gotsig = 1; |
1395 | ev_feed_signal (signum); |
1097 | evpipe_write (EV_A_ &gotsig); |
|
|
1098 | } |
1396 | } |
1099 | |
1397 | |
1100 | void noinline |
1398 | void noinline |
1101 | ev_feed_signal_event (EV_P_ int signum) |
1399 | ev_feed_signal_event (EV_P_ int signum) |
1102 | { |
1400 | { |
1103 | WL w; |
1401 | WL w; |
1104 | |
1402 | |
|
|
1403 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1404 | return; |
|
|
1405 | |
|
|
1406 | --signum; |
|
|
1407 | |
1105 | #if EV_MULTIPLICITY |
1408 | #if EV_MULTIPLICITY |
1106 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1409 | /* it is permissible to try to feed a signal to the wrong loop */ |
1107 | #endif |
1410 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1108 | |
1411 | |
1109 | --signum; |
1412 | if (expect_false (signals [signum].loop != EV_A)) |
1110 | |
|
|
1111 | if (signum < 0 || signum >= signalmax) |
|
|
1112 | return; |
1413 | return; |
|
|
1414 | #endif |
1113 | |
1415 | |
1114 | signals [signum].gotsig = 0; |
1416 | signals [signum].pending = 0; |
1115 | |
1417 | |
1116 | for (w = signals [signum].head; w; w = w->next) |
1418 | for (w = signals [signum].head; w; w = w->next) |
1117 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1419 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1118 | } |
1420 | } |
1119 | |
1421 | |
|
|
1422 | #if EV_USE_SIGNALFD |
|
|
1423 | static void |
|
|
1424 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1425 | { |
|
|
1426 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1427 | |
|
|
1428 | for (;;) |
|
|
1429 | { |
|
|
1430 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1431 | |
|
|
1432 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1433 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1434 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1435 | |
|
|
1436 | if (res < (ssize_t)sizeof (si)) |
|
|
1437 | break; |
|
|
1438 | } |
|
|
1439 | } |
|
|
1440 | #endif |
|
|
1441 | |
|
|
1442 | #endif |
|
|
1443 | |
1120 | /*****************************************************************************/ |
1444 | /*****************************************************************************/ |
1121 | |
1445 | |
|
|
1446 | #if EV_CHILD_ENABLE |
1122 | static WL childs [EV_PID_HASHSIZE]; |
1447 | static WL childs [EV_PID_HASHSIZE]; |
1123 | |
|
|
1124 | #ifndef _WIN32 |
|
|
1125 | |
1448 | |
1126 | static ev_signal childev; |
1449 | static ev_signal childev; |
1127 | |
1450 | |
1128 | #ifndef WIFCONTINUED |
1451 | #ifndef WIFCONTINUED |
1129 | # define WIFCONTINUED(status) 0 |
1452 | # define WIFCONTINUED(status) 0 |
1130 | #endif |
1453 | #endif |
1131 | |
1454 | |
1132 | void inline_speed |
1455 | /* handle a single child status event */ |
|
|
1456 | inline_speed void |
1133 | child_reap (EV_P_ int chain, int pid, int status) |
1457 | child_reap (EV_P_ int chain, int pid, int status) |
1134 | { |
1458 | { |
1135 | ev_child *w; |
1459 | ev_child *w; |
1136 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1460 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1137 | |
1461 | |
1138 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1462 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1139 | { |
1463 | { |
1140 | if ((w->pid == pid || !w->pid) |
1464 | if ((w->pid == pid || !w->pid) |
1141 | && (!traced || (w->flags & 1))) |
1465 | && (!traced || (w->flags & 1))) |
1142 | { |
1466 | { |
1143 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1467 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1150 | |
1474 | |
1151 | #ifndef WCONTINUED |
1475 | #ifndef WCONTINUED |
1152 | # define WCONTINUED 0 |
1476 | # define WCONTINUED 0 |
1153 | #endif |
1477 | #endif |
1154 | |
1478 | |
|
|
1479 | /* called on sigchld etc., calls waitpid */ |
1155 | static void |
1480 | static void |
1156 | childcb (EV_P_ ev_signal *sw, int revents) |
1481 | childcb (EV_P_ ev_signal *sw, int revents) |
1157 | { |
1482 | { |
1158 | int pid, status; |
1483 | int pid, status; |
1159 | |
1484 | |
… | |
… | |
1167 | /* make sure we are called again until all children have been reaped */ |
1492 | /* make sure we are called again until all children have been reaped */ |
1168 | /* we need to do it this way so that the callback gets called before we continue */ |
1493 | /* we need to do it this way so that the callback gets called before we continue */ |
1169 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1494 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1170 | |
1495 | |
1171 | child_reap (EV_A_ pid, pid, status); |
1496 | child_reap (EV_A_ pid, pid, status); |
1172 | if (EV_PID_HASHSIZE > 1) |
1497 | if ((EV_PID_HASHSIZE) > 1) |
1173 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1498 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1174 | } |
1499 | } |
1175 | |
1500 | |
1176 | #endif |
1501 | #endif |
1177 | |
1502 | |
1178 | /*****************************************************************************/ |
1503 | /*****************************************************************************/ |
1179 | |
1504 | |
|
|
1505 | #if EV_USE_IOCP |
|
|
1506 | # include "ev_iocp.c" |
|
|
1507 | #endif |
1180 | #if EV_USE_PORT |
1508 | #if EV_USE_PORT |
1181 | # include "ev_port.c" |
1509 | # include "ev_port.c" |
1182 | #endif |
1510 | #endif |
1183 | #if EV_USE_KQUEUE |
1511 | #if EV_USE_KQUEUE |
1184 | # include "ev_kqueue.c" |
1512 | # include "ev_kqueue.c" |
… | |
… | |
1240 | /* kqueue is borked on everything but netbsd apparently */ |
1568 | /* kqueue is borked on everything but netbsd apparently */ |
1241 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1569 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1242 | flags &= ~EVBACKEND_KQUEUE; |
1570 | flags &= ~EVBACKEND_KQUEUE; |
1243 | #endif |
1571 | #endif |
1244 | #ifdef __APPLE__ |
1572 | #ifdef __APPLE__ |
1245 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1573 | /* only select works correctly on that "unix-certified" platform */ |
1246 | flags &= ~EVBACKEND_POLL; |
1574 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1575 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
|
|
1576 | #endif |
|
|
1577 | #ifdef __FreeBSD__ |
|
|
1578 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
1247 | #endif |
1579 | #endif |
1248 | |
1580 | |
1249 | return flags; |
1581 | return flags; |
1250 | } |
1582 | } |
1251 | |
1583 | |
… | |
… | |
1253 | ev_embeddable_backends (void) |
1585 | ev_embeddable_backends (void) |
1254 | { |
1586 | { |
1255 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1587 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1256 | |
1588 | |
1257 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1589 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1258 | /* please fix it and tell me how to detect the fix */ |
1590 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1259 | flags &= ~EVBACKEND_EPOLL; |
1591 | flags &= ~EVBACKEND_EPOLL; |
1260 | |
1592 | |
1261 | return flags; |
1593 | return flags; |
1262 | } |
1594 | } |
1263 | |
1595 | |
1264 | unsigned int |
1596 | unsigned int |
1265 | ev_backend (EV_P) |
1597 | ev_backend (EV_P) |
1266 | { |
1598 | { |
1267 | return backend; |
1599 | return backend; |
1268 | } |
1600 | } |
1269 | |
1601 | |
|
|
1602 | #if EV_FEATURE_API |
1270 | unsigned int |
1603 | unsigned int |
1271 | ev_loop_count (EV_P) |
1604 | ev_iteration (EV_P) |
1272 | { |
1605 | { |
1273 | return loop_count; |
1606 | return loop_count; |
1274 | } |
1607 | } |
1275 | |
1608 | |
|
|
1609 | unsigned int |
|
|
1610 | ev_depth (EV_P) |
|
|
1611 | { |
|
|
1612 | return loop_depth; |
|
|
1613 | } |
|
|
1614 | |
1276 | void |
1615 | void |
1277 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1616 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1278 | { |
1617 | { |
1279 | io_blocktime = interval; |
1618 | io_blocktime = interval; |
1280 | } |
1619 | } |
… | |
… | |
1283 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1622 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1284 | { |
1623 | { |
1285 | timeout_blocktime = interval; |
1624 | timeout_blocktime = interval; |
1286 | } |
1625 | } |
1287 | |
1626 | |
|
|
1627 | void |
|
|
1628 | ev_set_userdata (EV_P_ void *data) |
|
|
1629 | { |
|
|
1630 | userdata = data; |
|
|
1631 | } |
|
|
1632 | |
|
|
1633 | void * |
|
|
1634 | ev_userdata (EV_P) |
|
|
1635 | { |
|
|
1636 | return userdata; |
|
|
1637 | } |
|
|
1638 | |
|
|
1639 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1640 | { |
|
|
1641 | invoke_cb = invoke_pending_cb; |
|
|
1642 | } |
|
|
1643 | |
|
|
1644 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1645 | { |
|
|
1646 | release_cb = release; |
|
|
1647 | acquire_cb = acquire; |
|
|
1648 | } |
|
|
1649 | #endif |
|
|
1650 | |
|
|
1651 | /* initialise a loop structure, must be zero-initialised */ |
1288 | static void noinline |
1652 | static void noinline |
1289 | loop_init (EV_P_ unsigned int flags) |
1653 | loop_init (EV_P_ unsigned int flags) |
1290 | { |
1654 | { |
1291 | if (!backend) |
1655 | if (!backend) |
1292 | { |
1656 | { |
|
|
1657 | origflags = flags; |
|
|
1658 | |
|
|
1659 | #if EV_USE_REALTIME |
|
|
1660 | if (!have_realtime) |
|
|
1661 | { |
|
|
1662 | struct timespec ts; |
|
|
1663 | |
|
|
1664 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1665 | have_realtime = 1; |
|
|
1666 | } |
|
|
1667 | #endif |
|
|
1668 | |
1293 | #if EV_USE_MONOTONIC |
1669 | #if EV_USE_MONOTONIC |
|
|
1670 | if (!have_monotonic) |
1294 | { |
1671 | { |
1295 | struct timespec ts; |
1672 | struct timespec ts; |
|
|
1673 | |
1296 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1674 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1297 | have_monotonic = 1; |
1675 | have_monotonic = 1; |
1298 | } |
1676 | } |
1299 | #endif |
1677 | #endif |
|
|
1678 | |
|
|
1679 | /* pid check not overridable via env */ |
|
|
1680 | #ifndef _WIN32 |
|
|
1681 | if (flags & EVFLAG_FORKCHECK) |
|
|
1682 | curpid = getpid (); |
|
|
1683 | #endif |
|
|
1684 | |
|
|
1685 | if (!(flags & EVFLAG_NOENV) |
|
|
1686 | && !enable_secure () |
|
|
1687 | && getenv ("LIBEV_FLAGS")) |
|
|
1688 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1300 | |
1689 | |
1301 | ev_rt_now = ev_time (); |
1690 | ev_rt_now = ev_time (); |
1302 | mn_now = get_clock (); |
1691 | mn_now = get_clock (); |
1303 | now_floor = mn_now; |
1692 | now_floor = mn_now; |
1304 | rtmn_diff = ev_rt_now - mn_now; |
1693 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1694 | #if EV_FEATURE_API |
|
|
1695 | invoke_cb = ev_invoke_pending; |
|
|
1696 | #endif |
1305 | |
1697 | |
1306 | io_blocktime = 0.; |
1698 | io_blocktime = 0.; |
1307 | timeout_blocktime = 0.; |
1699 | timeout_blocktime = 0.; |
1308 | backend = 0; |
1700 | backend = 0; |
1309 | backend_fd = -1; |
1701 | backend_fd = -1; |
1310 | gotasync = 0; |
1702 | sig_pending = 0; |
|
|
1703 | #if EV_ASYNC_ENABLE |
|
|
1704 | async_pending = 0; |
|
|
1705 | #endif |
1311 | #if EV_USE_INOTIFY |
1706 | #if EV_USE_INOTIFY |
1312 | fs_fd = -2; |
1707 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1313 | #endif |
1708 | #endif |
1314 | |
1709 | #if EV_USE_SIGNALFD |
1315 | /* pid check not overridable via env */ |
1710 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1316 | #ifndef _WIN32 |
|
|
1317 | if (flags & EVFLAG_FORKCHECK) |
|
|
1318 | curpid = getpid (); |
|
|
1319 | #endif |
1711 | #endif |
1320 | |
1712 | |
1321 | if (!(flags & EVFLAG_NOENV) |
1713 | if (!(flags & EVBACKEND_MASK)) |
1322 | && !enable_secure () |
|
|
1323 | && getenv ("LIBEV_FLAGS")) |
|
|
1324 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1325 | |
|
|
1326 | if (!(flags & 0x0000ffffU)) |
|
|
1327 | flags |= ev_recommended_backends (); |
1714 | flags |= ev_recommended_backends (); |
1328 | |
1715 | |
|
|
1716 | #if EV_USE_IOCP |
|
|
1717 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1718 | #endif |
1329 | #if EV_USE_PORT |
1719 | #if EV_USE_PORT |
1330 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1720 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1331 | #endif |
1721 | #endif |
1332 | #if EV_USE_KQUEUE |
1722 | #if EV_USE_KQUEUE |
1333 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1723 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1340 | #endif |
1730 | #endif |
1341 | #if EV_USE_SELECT |
1731 | #if EV_USE_SELECT |
1342 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1732 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1343 | #endif |
1733 | #endif |
1344 | |
1734 | |
|
|
1735 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1736 | |
|
|
1737 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1345 | ev_init (&pipeev, pipecb); |
1738 | ev_init (&pipe_w, pipecb); |
1346 | ev_set_priority (&pipeev, EV_MAXPRI); |
1739 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1740 | #endif |
1347 | } |
1741 | } |
1348 | } |
1742 | } |
1349 | |
1743 | |
1350 | static void noinline |
1744 | /* free up a loop structure */ |
|
|
1745 | void |
1351 | loop_destroy (EV_P) |
1746 | ev_loop_destroy (EV_P) |
1352 | { |
1747 | { |
1353 | int i; |
1748 | int i; |
1354 | |
1749 | |
|
|
1750 | #if EV_MULTIPLICITY |
|
|
1751 | /* mimic free (0) */ |
|
|
1752 | if (!EV_A) |
|
|
1753 | return; |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | #if EV_CLEANUP_ENABLE |
|
|
1757 | /* queue cleanup watchers (and execute them) */ |
|
|
1758 | if (expect_false (cleanupcnt)) |
|
|
1759 | { |
|
|
1760 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1761 | EV_INVOKE_PENDING; |
|
|
1762 | } |
|
|
1763 | #endif |
|
|
1764 | |
|
|
1765 | #if EV_CHILD_ENABLE |
|
|
1766 | if (ev_is_active (&childev)) |
|
|
1767 | { |
|
|
1768 | ev_ref (EV_A); /* child watcher */ |
|
|
1769 | ev_signal_stop (EV_A_ &childev); |
|
|
1770 | } |
|
|
1771 | #endif |
|
|
1772 | |
1355 | if (ev_is_active (&pipeev)) |
1773 | if (ev_is_active (&pipe_w)) |
1356 | { |
1774 | { |
1357 | ev_ref (EV_A); /* signal watcher */ |
1775 | /*ev_ref (EV_A);*/ |
1358 | ev_io_stop (EV_A_ &pipeev); |
1776 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1359 | |
1777 | |
1360 | #if EV_USE_EVENTFD |
1778 | #if EV_USE_EVENTFD |
1361 | if (evfd >= 0) |
1779 | if (evfd >= 0) |
1362 | close (evfd); |
1780 | close (evfd); |
1363 | #endif |
1781 | #endif |
1364 | |
1782 | |
1365 | if (evpipe [0] >= 0) |
1783 | if (evpipe [0] >= 0) |
1366 | { |
1784 | { |
1367 | close (evpipe [0]); |
1785 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1368 | close (evpipe [1]); |
1786 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1369 | } |
1787 | } |
1370 | } |
1788 | } |
|
|
1789 | |
|
|
1790 | #if EV_USE_SIGNALFD |
|
|
1791 | if (ev_is_active (&sigfd_w)) |
|
|
1792 | close (sigfd); |
|
|
1793 | #endif |
1371 | |
1794 | |
1372 | #if EV_USE_INOTIFY |
1795 | #if EV_USE_INOTIFY |
1373 | if (fs_fd >= 0) |
1796 | if (fs_fd >= 0) |
1374 | close (fs_fd); |
1797 | close (fs_fd); |
1375 | #endif |
1798 | #endif |
1376 | |
1799 | |
1377 | if (backend_fd >= 0) |
1800 | if (backend_fd >= 0) |
1378 | close (backend_fd); |
1801 | close (backend_fd); |
1379 | |
1802 | |
|
|
1803 | #if EV_USE_IOCP |
|
|
1804 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1805 | #endif |
1380 | #if EV_USE_PORT |
1806 | #if EV_USE_PORT |
1381 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1807 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1382 | #endif |
1808 | #endif |
1383 | #if EV_USE_KQUEUE |
1809 | #if EV_USE_KQUEUE |
1384 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1810 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1399 | #if EV_IDLE_ENABLE |
1825 | #if EV_IDLE_ENABLE |
1400 | array_free (idle, [i]); |
1826 | array_free (idle, [i]); |
1401 | #endif |
1827 | #endif |
1402 | } |
1828 | } |
1403 | |
1829 | |
1404 | ev_free (anfds); anfdmax = 0; |
1830 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1405 | |
1831 | |
1406 | /* have to use the microsoft-never-gets-it-right macro */ |
1832 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1833 | array_free (rfeed, EMPTY); |
1407 | array_free (fdchange, EMPTY); |
1834 | array_free (fdchange, EMPTY); |
1408 | array_free (timer, EMPTY); |
1835 | array_free (timer, EMPTY); |
1409 | #if EV_PERIODIC_ENABLE |
1836 | #if EV_PERIODIC_ENABLE |
1410 | array_free (periodic, EMPTY); |
1837 | array_free (periodic, EMPTY); |
1411 | #endif |
1838 | #endif |
1412 | #if EV_FORK_ENABLE |
1839 | #if EV_FORK_ENABLE |
1413 | array_free (fork, EMPTY); |
1840 | array_free (fork, EMPTY); |
1414 | #endif |
1841 | #endif |
|
|
1842 | #if EV_CLEANUP_ENABLE |
|
|
1843 | array_free (cleanup, EMPTY); |
|
|
1844 | #endif |
1415 | array_free (prepare, EMPTY); |
1845 | array_free (prepare, EMPTY); |
1416 | array_free (check, EMPTY); |
1846 | array_free (check, EMPTY); |
1417 | #if EV_ASYNC_ENABLE |
1847 | #if EV_ASYNC_ENABLE |
1418 | array_free (async, EMPTY); |
1848 | array_free (async, EMPTY); |
1419 | #endif |
1849 | #endif |
1420 | |
1850 | |
1421 | backend = 0; |
1851 | backend = 0; |
|
|
1852 | |
|
|
1853 | #if EV_MULTIPLICITY |
|
|
1854 | if (ev_is_default_loop (EV_A)) |
|
|
1855 | #endif |
|
|
1856 | ev_default_loop_ptr = 0; |
|
|
1857 | #if EV_MULTIPLICITY |
|
|
1858 | else |
|
|
1859 | ev_free (EV_A); |
|
|
1860 | #endif |
1422 | } |
1861 | } |
1423 | |
1862 | |
1424 | #if EV_USE_INOTIFY |
1863 | #if EV_USE_INOTIFY |
1425 | void inline_size infy_fork (EV_P); |
1864 | inline_size void infy_fork (EV_P); |
1426 | #endif |
1865 | #endif |
1427 | |
1866 | |
1428 | void inline_size |
1867 | inline_size void |
1429 | loop_fork (EV_P) |
1868 | loop_fork (EV_P) |
1430 | { |
1869 | { |
1431 | #if EV_USE_PORT |
1870 | #if EV_USE_PORT |
1432 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1871 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1433 | #endif |
1872 | #endif |
… | |
… | |
1439 | #endif |
1878 | #endif |
1440 | #if EV_USE_INOTIFY |
1879 | #if EV_USE_INOTIFY |
1441 | infy_fork (EV_A); |
1880 | infy_fork (EV_A); |
1442 | #endif |
1881 | #endif |
1443 | |
1882 | |
1444 | if (ev_is_active (&pipeev)) |
1883 | if (ev_is_active (&pipe_w)) |
1445 | { |
1884 | { |
1446 | /* this "locks" the handlers against writing to the pipe */ |
1885 | /* this "locks" the handlers against writing to the pipe */ |
1447 | /* while we modify the fd vars */ |
1886 | /* while we modify the fd vars */ |
1448 | gotsig = 1; |
1887 | sig_pending = 1; |
1449 | #if EV_ASYNC_ENABLE |
1888 | #if EV_ASYNC_ENABLE |
1450 | gotasync = 1; |
1889 | async_pending = 1; |
1451 | #endif |
1890 | #endif |
1452 | |
1891 | |
1453 | ev_ref (EV_A); |
1892 | ev_ref (EV_A); |
1454 | ev_io_stop (EV_A_ &pipeev); |
1893 | ev_io_stop (EV_A_ &pipe_w); |
1455 | |
1894 | |
1456 | #if EV_USE_EVENTFD |
1895 | #if EV_USE_EVENTFD |
1457 | if (evfd >= 0) |
1896 | if (evfd >= 0) |
1458 | close (evfd); |
1897 | close (evfd); |
1459 | #endif |
1898 | #endif |
1460 | |
1899 | |
1461 | if (evpipe [0] >= 0) |
1900 | if (evpipe [0] >= 0) |
1462 | { |
1901 | { |
1463 | close (evpipe [0]); |
1902 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1464 | close (evpipe [1]); |
1903 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1465 | } |
1904 | } |
1466 | |
1905 | |
|
|
1906 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1467 | evpipe_init (EV_A); |
1907 | evpipe_init (EV_A); |
1468 | /* now iterate over everything, in case we missed something */ |
1908 | /* now iterate over everything, in case we missed something */ |
1469 | pipecb (EV_A_ &pipeev, EV_READ); |
1909 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1910 | #endif |
1470 | } |
1911 | } |
1471 | |
1912 | |
1472 | postfork = 0; |
1913 | postfork = 0; |
1473 | } |
1914 | } |
1474 | |
1915 | |
1475 | #if EV_MULTIPLICITY |
1916 | #if EV_MULTIPLICITY |
1476 | |
1917 | |
1477 | struct ev_loop * |
1918 | struct ev_loop * |
1478 | ev_loop_new (unsigned int flags) |
1919 | ev_loop_new (unsigned int flags) |
1479 | { |
1920 | { |
1480 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1921 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1481 | |
1922 | |
1482 | memset (loop, 0, sizeof (struct ev_loop)); |
1923 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1483 | |
|
|
1484 | loop_init (EV_A_ flags); |
1924 | loop_init (EV_A_ flags); |
1485 | |
1925 | |
1486 | if (ev_backend (EV_A)) |
1926 | if (ev_backend (EV_A)) |
1487 | return loop; |
1927 | return EV_A; |
1488 | |
1928 | |
|
|
1929 | ev_free (EV_A); |
1489 | return 0; |
1930 | return 0; |
1490 | } |
1931 | } |
1491 | |
1932 | |
1492 | void |
1933 | #endif /* multiplicity */ |
1493 | ev_loop_destroy (EV_P) |
|
|
1494 | { |
|
|
1495 | loop_destroy (EV_A); |
|
|
1496 | ev_free (loop); |
|
|
1497 | } |
|
|
1498 | |
|
|
1499 | void |
|
|
1500 | ev_loop_fork (EV_P) |
|
|
1501 | { |
|
|
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1503 | } |
|
|
1504 | |
1934 | |
1505 | #if EV_VERIFY |
1935 | #if EV_VERIFY |
1506 | static void noinline |
1936 | static void noinline |
1507 | verify_watcher (EV_P_ W w) |
1937 | verify_watcher (EV_P_ W w) |
1508 | { |
1938 | { |
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1939 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1510 | |
1940 | |
1511 | if (w->pending) |
1941 | if (w->pending) |
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1942 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1513 | } |
1943 | } |
1514 | |
1944 | |
1515 | static void noinline |
1945 | static void noinline |
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
1946 | verify_heap (EV_P_ ANHE *heap, int N) |
1517 | { |
1947 | { |
1518 | int i; |
1948 | int i; |
1519 | |
1949 | |
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
1950 | for (i = HEAP0; i < N + HEAP0; ++i) |
1521 | { |
1951 | { |
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1952 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1953 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1954 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1525 | |
1955 | |
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1956 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1527 | } |
1957 | } |
1528 | } |
1958 | } |
1529 | |
1959 | |
1530 | static void noinline |
1960 | static void noinline |
1531 | array_verify (EV_P_ W *ws, int cnt) |
1961 | array_verify (EV_P_ W *ws, int cnt) |
1532 | { |
1962 | { |
1533 | while (cnt--) |
1963 | while (cnt--) |
1534 | { |
1964 | { |
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1965 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1536 | verify_watcher (EV_A_ ws [cnt]); |
1966 | verify_watcher (EV_A_ ws [cnt]); |
1537 | } |
1967 | } |
1538 | } |
1968 | } |
1539 | #endif |
1969 | #endif |
1540 | |
1970 | |
|
|
1971 | #if EV_FEATURE_API |
1541 | void |
1972 | void |
1542 | ev_loop_verify (EV_P) |
1973 | ev_verify (EV_P) |
1543 | { |
1974 | { |
1544 | #if EV_VERIFY |
1975 | #if EV_VERIFY |
1545 | int i; |
1976 | int i; |
1546 | WL w; |
1977 | WL w; |
1547 | |
1978 | |
1548 | assert (activecnt >= -1); |
1979 | assert (activecnt >= -1); |
1549 | |
1980 | |
1550 | assert (fdchangemax >= fdchangecnt); |
1981 | assert (fdchangemax >= fdchangecnt); |
1551 | for (i = 0; i < fdchangecnt; ++i) |
1982 | for (i = 0; i < fdchangecnt; ++i) |
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1983 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1553 | |
1984 | |
1554 | assert (anfdmax >= 0); |
1985 | assert (anfdmax >= 0); |
1555 | for (i = 0; i < anfdmax; ++i) |
1986 | for (i = 0; i < anfdmax; ++i) |
1556 | for (w = anfds [i].head; w; w = w->next) |
1987 | for (w = anfds [i].head; w; w = w->next) |
1557 | { |
1988 | { |
1558 | verify_watcher (EV_A_ (W)w); |
1989 | verify_watcher (EV_A_ (W)w); |
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1990 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1991 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1561 | } |
1992 | } |
1562 | |
1993 | |
1563 | assert (timermax >= timercnt); |
1994 | assert (timermax >= timercnt); |
1564 | verify_heap (EV_A_ timers, timercnt); |
1995 | verify_heap (EV_A_ timers, timercnt); |
1565 | |
1996 | |
… | |
… | |
1581 | #if EV_FORK_ENABLE |
2012 | #if EV_FORK_ENABLE |
1582 | assert (forkmax >= forkcnt); |
2013 | assert (forkmax >= forkcnt); |
1583 | array_verify (EV_A_ (W *)forks, forkcnt); |
2014 | array_verify (EV_A_ (W *)forks, forkcnt); |
1584 | #endif |
2015 | #endif |
1585 | |
2016 | |
|
|
2017 | #if EV_CLEANUP_ENABLE |
|
|
2018 | assert (cleanupmax >= cleanupcnt); |
|
|
2019 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2020 | #endif |
|
|
2021 | |
1586 | #if EV_ASYNC_ENABLE |
2022 | #if EV_ASYNC_ENABLE |
1587 | assert (asyncmax >= asynccnt); |
2023 | assert (asyncmax >= asynccnt); |
1588 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2024 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1589 | #endif |
2025 | #endif |
1590 | |
2026 | |
|
|
2027 | #if EV_PREPARE_ENABLE |
1591 | assert (preparemax >= preparecnt); |
2028 | assert (preparemax >= preparecnt); |
1592 | array_verify (EV_A_ (W *)prepares, preparecnt); |
2029 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2030 | #endif |
1593 | |
2031 | |
|
|
2032 | #if EV_CHECK_ENABLE |
1594 | assert (checkmax >= checkcnt); |
2033 | assert (checkmax >= checkcnt); |
1595 | array_verify (EV_A_ (W *)checks, checkcnt); |
2034 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2035 | #endif |
1596 | |
2036 | |
1597 | # if 0 |
2037 | # if 0 |
|
|
2038 | #if EV_CHILD_ENABLE |
1598 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
2039 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1599 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
2040 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2041 | #endif |
1600 | # endif |
2042 | # endif |
1601 | #endif |
2043 | #endif |
1602 | } |
2044 | } |
1603 | |
2045 | #endif |
1604 | #endif /* multiplicity */ |
|
|
1605 | |
2046 | |
1606 | #if EV_MULTIPLICITY |
2047 | #if EV_MULTIPLICITY |
1607 | struct ev_loop * |
2048 | struct ev_loop * |
1608 | ev_default_loop_init (unsigned int flags) |
|
|
1609 | #else |
2049 | #else |
1610 | int |
2050 | int |
|
|
2051 | #endif |
1611 | ev_default_loop (unsigned int flags) |
2052 | ev_default_loop (unsigned int flags) |
1612 | #endif |
|
|
1613 | { |
2053 | { |
1614 | if (!ev_default_loop_ptr) |
2054 | if (!ev_default_loop_ptr) |
1615 | { |
2055 | { |
1616 | #if EV_MULTIPLICITY |
2056 | #if EV_MULTIPLICITY |
1617 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2057 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1618 | #else |
2058 | #else |
1619 | ev_default_loop_ptr = 1; |
2059 | ev_default_loop_ptr = 1; |
1620 | #endif |
2060 | #endif |
1621 | |
2061 | |
1622 | loop_init (EV_A_ flags); |
2062 | loop_init (EV_A_ flags); |
1623 | |
2063 | |
1624 | if (ev_backend (EV_A)) |
2064 | if (ev_backend (EV_A)) |
1625 | { |
2065 | { |
1626 | #ifndef _WIN32 |
2066 | #if EV_CHILD_ENABLE |
1627 | ev_signal_init (&childev, childcb, SIGCHLD); |
2067 | ev_signal_init (&childev, childcb, SIGCHLD); |
1628 | ev_set_priority (&childev, EV_MAXPRI); |
2068 | ev_set_priority (&childev, EV_MAXPRI); |
1629 | ev_signal_start (EV_A_ &childev); |
2069 | ev_signal_start (EV_A_ &childev); |
1630 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2070 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1631 | #endif |
2071 | #endif |
… | |
… | |
1636 | |
2076 | |
1637 | return ev_default_loop_ptr; |
2077 | return ev_default_loop_ptr; |
1638 | } |
2078 | } |
1639 | |
2079 | |
1640 | void |
2080 | void |
1641 | ev_default_destroy (void) |
|
|
1642 | { |
|
|
1643 | #if EV_MULTIPLICITY |
|
|
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1645 | #endif |
|
|
1646 | |
|
|
1647 | ev_default_loop_ptr = 0; |
|
|
1648 | |
|
|
1649 | #ifndef _WIN32 |
|
|
1650 | ev_ref (EV_A); /* child watcher */ |
|
|
1651 | ev_signal_stop (EV_A_ &childev); |
|
|
1652 | #endif |
|
|
1653 | |
|
|
1654 | loop_destroy (EV_A); |
|
|
1655 | } |
|
|
1656 | |
|
|
1657 | void |
|
|
1658 | ev_default_fork (void) |
|
|
1659 | { |
|
|
1660 | #if EV_MULTIPLICITY |
|
|
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1662 | #endif |
|
|
1663 | |
|
|
1664 | ev_loop_fork (EV_A); |
2081 | ev_loop_fork (EV_P) |
|
|
2082 | { |
|
|
2083 | postfork = 1; /* must be in line with ev_default_fork */ |
1665 | } |
2084 | } |
1666 | |
2085 | |
1667 | /*****************************************************************************/ |
2086 | /*****************************************************************************/ |
1668 | |
2087 | |
1669 | void |
2088 | void |
1670 | ev_invoke (EV_P_ void *w, int revents) |
2089 | ev_invoke (EV_P_ void *w, int revents) |
1671 | { |
2090 | { |
1672 | EV_CB_INVOKE ((W)w, revents); |
2091 | EV_CB_INVOKE ((W)w, revents); |
1673 | } |
2092 | } |
1674 | |
2093 | |
1675 | void inline_speed |
2094 | unsigned int |
1676 | call_pending (EV_P) |
2095 | ev_pending_count (EV_P) |
|
|
2096 | { |
|
|
2097 | int pri; |
|
|
2098 | unsigned int count = 0; |
|
|
2099 | |
|
|
2100 | for (pri = NUMPRI; pri--; ) |
|
|
2101 | count += pendingcnt [pri]; |
|
|
2102 | |
|
|
2103 | return count; |
|
|
2104 | } |
|
|
2105 | |
|
|
2106 | void noinline |
|
|
2107 | ev_invoke_pending (EV_P) |
1677 | { |
2108 | { |
1678 | int pri; |
2109 | int pri; |
1679 | |
2110 | |
1680 | for (pri = NUMPRI; pri--; ) |
2111 | for (pri = NUMPRI; pri--; ) |
1681 | while (pendingcnt [pri]) |
2112 | while (pendingcnt [pri]) |
1682 | { |
2113 | { |
1683 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2114 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1684 | |
2115 | |
1685 | if (expect_true (p->w)) |
|
|
1686 | { |
|
|
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1688 | |
|
|
1689 | p->w->pending = 0; |
2116 | p->w->pending = 0; |
1690 | EV_CB_INVOKE (p->w, p->events); |
2117 | EV_CB_INVOKE (p->w, p->events); |
1691 | EV_FREQUENT_CHECK; |
2118 | EV_FREQUENT_CHECK; |
1692 | } |
|
|
1693 | } |
2119 | } |
1694 | } |
2120 | } |
1695 | |
2121 | |
1696 | #if EV_IDLE_ENABLE |
2122 | #if EV_IDLE_ENABLE |
1697 | void inline_size |
2123 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2124 | /* only when higher priorities are idle" logic */ |
|
|
2125 | inline_size void |
1698 | idle_reify (EV_P) |
2126 | idle_reify (EV_P) |
1699 | { |
2127 | { |
1700 | if (expect_false (idleall)) |
2128 | if (expect_false (idleall)) |
1701 | { |
2129 | { |
1702 | int pri; |
2130 | int pri; |
… | |
… | |
1714 | } |
2142 | } |
1715 | } |
2143 | } |
1716 | } |
2144 | } |
1717 | #endif |
2145 | #endif |
1718 | |
2146 | |
1719 | void inline_size |
2147 | /* make timers pending */ |
|
|
2148 | inline_size void |
1720 | timers_reify (EV_P) |
2149 | timers_reify (EV_P) |
1721 | { |
2150 | { |
1722 | EV_FREQUENT_CHECK; |
2151 | EV_FREQUENT_CHECK; |
1723 | |
2152 | |
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
2153 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1725 | { |
2154 | { |
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
2155 | do |
1727 | |
|
|
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1729 | |
|
|
1730 | /* first reschedule or stop timer */ |
|
|
1731 | if (w->repeat) |
|
|
1732 | { |
2156 | { |
|
|
2157 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2158 | |
|
|
2159 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2160 | |
|
|
2161 | /* first reschedule or stop timer */ |
|
|
2162 | if (w->repeat) |
|
|
2163 | { |
1733 | ev_at (w) += w->repeat; |
2164 | ev_at (w) += w->repeat; |
1734 | if (ev_at (w) < mn_now) |
2165 | if (ev_at (w) < mn_now) |
1735 | ev_at (w) = mn_now; |
2166 | ev_at (w) = mn_now; |
1736 | |
2167 | |
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
2168 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1738 | |
2169 | |
1739 | ANHE_at_cache (timers [HEAP0]); |
2170 | ANHE_at_cache (timers [HEAP0]); |
1740 | downheap (timers, timercnt, HEAP0); |
2171 | downheap (timers, timercnt, HEAP0); |
|
|
2172 | } |
|
|
2173 | else |
|
|
2174 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2175 | |
|
|
2176 | EV_FREQUENT_CHECK; |
|
|
2177 | feed_reverse (EV_A_ (W)w); |
1741 | } |
2178 | } |
1742 | else |
2179 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1744 | |
2180 | |
1745 | EV_FREQUENT_CHECK; |
2181 | feed_reverse_done (EV_A_ EV_TIMER); |
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1747 | } |
2182 | } |
1748 | } |
2183 | } |
1749 | |
2184 | |
1750 | #if EV_PERIODIC_ENABLE |
2185 | #if EV_PERIODIC_ENABLE |
1751 | void inline_size |
2186 | /* make periodics pending */ |
|
|
2187 | inline_size void |
1752 | periodics_reify (EV_P) |
2188 | periodics_reify (EV_P) |
1753 | { |
2189 | { |
1754 | EV_FREQUENT_CHECK; |
2190 | EV_FREQUENT_CHECK; |
1755 | |
2191 | |
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2192 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1757 | { |
2193 | { |
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2194 | int feed_count = 0; |
1759 | |
2195 | |
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2196 | do |
1761 | |
|
|
1762 | /* first reschedule or stop timer */ |
|
|
1763 | if (w->reschedule_cb) |
|
|
1764 | { |
2197 | { |
|
|
2198 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2199 | |
|
|
2200 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2201 | |
|
|
2202 | /* first reschedule or stop timer */ |
|
|
2203 | if (w->reschedule_cb) |
|
|
2204 | { |
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2205 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1766 | |
2206 | |
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
2207 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1768 | |
2208 | |
1769 | ANHE_at_cache (periodics [HEAP0]); |
2209 | ANHE_at_cache (periodics [HEAP0]); |
1770 | downheap (periodics, periodiccnt, HEAP0); |
2210 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2211 | } |
|
|
2212 | else if (w->interval) |
|
|
2213 | { |
|
|
2214 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2215 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2216 | /* this might happen because of floating point inexactness */ |
|
|
2217 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2218 | { |
|
|
2219 | ev_at (w) += w->interval; |
|
|
2220 | |
|
|
2221 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2222 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2223 | /* has effectively asked to get triggered more often than possible */ |
|
|
2224 | if (ev_at (w) < ev_rt_now) |
|
|
2225 | ev_at (w) = ev_rt_now; |
|
|
2226 | } |
|
|
2227 | |
|
|
2228 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2229 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2230 | } |
|
|
2231 | else |
|
|
2232 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2233 | |
|
|
2234 | EV_FREQUENT_CHECK; |
|
|
2235 | feed_reverse (EV_A_ (W)w); |
1771 | } |
2236 | } |
1772 | else if (w->interval) |
2237 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1773 | { |
|
|
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1776 | /* this might happen because of floating point inexactness */ |
|
|
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1778 | { |
|
|
1779 | ev_at (w) += w->interval; |
|
|
1780 | |
2238 | |
1781 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1782 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1783 | /* has effectively asked to get triggered more often than possible */ |
|
|
1784 | if (ev_at (w) < ev_rt_now) |
|
|
1785 | ev_at (w) = ev_rt_now; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1789 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1790 | } |
|
|
1791 | else |
|
|
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
|
|
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
2239 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1796 | } |
2240 | } |
1797 | } |
2241 | } |
1798 | |
2242 | |
|
|
2243 | /* simply recalculate all periodics */ |
|
|
2244 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
1799 | static void noinline |
2245 | static void noinline |
1800 | periodics_reschedule (EV_P) |
2246 | periodics_reschedule (EV_P) |
1801 | { |
2247 | { |
1802 | int i; |
2248 | int i; |
1803 | |
2249 | |
… | |
… | |
1816 | |
2262 | |
1817 | reheap (periodics, periodiccnt); |
2263 | reheap (periodics, periodiccnt); |
1818 | } |
2264 | } |
1819 | #endif |
2265 | #endif |
1820 | |
2266 | |
1821 | void inline_speed |
2267 | /* adjust all timers by a given offset */ |
|
|
2268 | static void noinline |
|
|
2269 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2270 | { |
|
|
2271 | int i; |
|
|
2272 | |
|
|
2273 | for (i = 0; i < timercnt; ++i) |
|
|
2274 | { |
|
|
2275 | ANHE *he = timers + i + HEAP0; |
|
|
2276 | ANHE_w (*he)->at += adjust; |
|
|
2277 | ANHE_at_cache (*he); |
|
|
2278 | } |
|
|
2279 | } |
|
|
2280 | |
|
|
2281 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2282 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2283 | inline_speed void |
1822 | time_update (EV_P_ ev_tstamp max_block) |
2284 | time_update (EV_P_ ev_tstamp max_block) |
1823 | { |
2285 | { |
1824 | int i; |
|
|
1825 | |
|
|
1826 | #if EV_USE_MONOTONIC |
2286 | #if EV_USE_MONOTONIC |
1827 | if (expect_true (have_monotonic)) |
2287 | if (expect_true (have_monotonic)) |
1828 | { |
2288 | { |
|
|
2289 | int i; |
1829 | ev_tstamp odiff = rtmn_diff; |
2290 | ev_tstamp odiff = rtmn_diff; |
1830 | |
2291 | |
1831 | mn_now = get_clock (); |
2292 | mn_now = get_clock (); |
1832 | |
2293 | |
1833 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2294 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1859 | ev_rt_now = ev_time (); |
2320 | ev_rt_now = ev_time (); |
1860 | mn_now = get_clock (); |
2321 | mn_now = get_clock (); |
1861 | now_floor = mn_now; |
2322 | now_floor = mn_now; |
1862 | } |
2323 | } |
1863 | |
2324 | |
|
|
2325 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2326 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1864 | # if EV_PERIODIC_ENABLE |
2327 | # if EV_PERIODIC_ENABLE |
1865 | periodics_reschedule (EV_A); |
2328 | periodics_reschedule (EV_A); |
1866 | # endif |
2329 | # endif |
1867 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1868 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1869 | } |
2330 | } |
1870 | else |
2331 | else |
1871 | #endif |
2332 | #endif |
1872 | { |
2333 | { |
1873 | ev_rt_now = ev_time (); |
2334 | ev_rt_now = ev_time (); |
1874 | |
2335 | |
1875 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2336 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1876 | { |
2337 | { |
|
|
2338 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2339 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1877 | #if EV_PERIODIC_ENABLE |
2340 | #if EV_PERIODIC_ENABLE |
1878 | periodics_reschedule (EV_A); |
2341 | periodics_reschedule (EV_A); |
1879 | #endif |
2342 | #endif |
1880 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1881 | for (i = 0; i < timercnt; ++i) |
|
|
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
|
|
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
|
|
1887 | } |
2343 | } |
1888 | |
2344 | |
1889 | mn_now = ev_rt_now; |
2345 | mn_now = ev_rt_now; |
1890 | } |
2346 | } |
1891 | } |
2347 | } |
1892 | |
2348 | |
1893 | void |
2349 | void |
1894 | ev_ref (EV_P) |
|
|
1895 | { |
|
|
1896 | ++activecnt; |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | ev_unref (EV_P) |
|
|
1901 | { |
|
|
1902 | --activecnt; |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
|
|
1911 | static int loop_done; |
|
|
1912 | |
|
|
1913 | void |
|
|
1914 | ev_loop (EV_P_ int flags) |
2350 | ev_run (EV_P_ int flags) |
1915 | { |
2351 | { |
|
|
2352 | #if EV_FEATURE_API |
|
|
2353 | ++loop_depth; |
|
|
2354 | #endif |
|
|
2355 | |
|
|
2356 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
|
|
2357 | |
1916 | loop_done = EVUNLOOP_CANCEL; |
2358 | loop_done = EVBREAK_CANCEL; |
1917 | |
2359 | |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2360 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1919 | |
2361 | |
1920 | do |
2362 | do |
1921 | { |
2363 | { |
1922 | #if EV_VERIFY >= 2 |
2364 | #if EV_VERIFY >= 2 |
1923 | ev_loop_verify (EV_A); |
2365 | ev_verify (EV_A); |
1924 | #endif |
2366 | #endif |
1925 | |
2367 | |
1926 | #ifndef _WIN32 |
2368 | #ifndef _WIN32 |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2369 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1928 | if (expect_false (getpid () != curpid)) |
2370 | if (expect_false (getpid () != curpid)) |
… | |
… | |
1936 | /* we might have forked, so queue fork handlers */ |
2378 | /* we might have forked, so queue fork handlers */ |
1937 | if (expect_false (postfork)) |
2379 | if (expect_false (postfork)) |
1938 | if (forkcnt) |
2380 | if (forkcnt) |
1939 | { |
2381 | { |
1940 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2382 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1941 | call_pending (EV_A); |
2383 | EV_INVOKE_PENDING; |
1942 | } |
2384 | } |
1943 | #endif |
2385 | #endif |
1944 | |
2386 | |
|
|
2387 | #if EV_PREPARE_ENABLE |
1945 | /* queue prepare watchers (and execute them) */ |
2388 | /* queue prepare watchers (and execute them) */ |
1946 | if (expect_false (preparecnt)) |
2389 | if (expect_false (preparecnt)) |
1947 | { |
2390 | { |
1948 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2391 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1949 | call_pending (EV_A); |
2392 | EV_INVOKE_PENDING; |
1950 | } |
2393 | } |
|
|
2394 | #endif |
1951 | |
2395 | |
1952 | if (expect_false (!activecnt)) |
2396 | if (expect_false (loop_done)) |
1953 | break; |
2397 | break; |
1954 | |
2398 | |
1955 | /* we might have forked, so reify kernel state if necessary */ |
2399 | /* we might have forked, so reify kernel state if necessary */ |
1956 | if (expect_false (postfork)) |
2400 | if (expect_false (postfork)) |
1957 | loop_fork (EV_A); |
2401 | loop_fork (EV_A); |
… | |
… | |
1962 | /* calculate blocking time */ |
2406 | /* calculate blocking time */ |
1963 | { |
2407 | { |
1964 | ev_tstamp waittime = 0.; |
2408 | ev_tstamp waittime = 0.; |
1965 | ev_tstamp sleeptime = 0.; |
2409 | ev_tstamp sleeptime = 0.; |
1966 | |
2410 | |
|
|
2411 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2412 | ev_tstamp prev_mn_now = mn_now; |
|
|
2413 | |
|
|
2414 | /* update time to cancel out callback processing overhead */ |
|
|
2415 | time_update (EV_A_ 1e100); |
|
|
2416 | |
1967 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2417 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
1968 | { |
2418 | { |
1969 | /* update time to cancel out callback processing overhead */ |
|
|
1970 | time_update (EV_A_ 1e100); |
|
|
1971 | |
|
|
1972 | waittime = MAX_BLOCKTIME; |
2419 | waittime = MAX_BLOCKTIME; |
1973 | |
2420 | |
1974 | if (timercnt) |
2421 | if (timercnt) |
1975 | { |
2422 | { |
1976 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2423 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
1983 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2430 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1984 | if (waittime > to) waittime = to; |
2431 | if (waittime > to) waittime = to; |
1985 | } |
2432 | } |
1986 | #endif |
2433 | #endif |
1987 | |
2434 | |
|
|
2435 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1988 | if (expect_false (waittime < timeout_blocktime)) |
2436 | if (expect_false (waittime < timeout_blocktime)) |
1989 | waittime = timeout_blocktime; |
2437 | waittime = timeout_blocktime; |
1990 | |
2438 | |
1991 | sleeptime = waittime - backend_fudge; |
2439 | /* extra check because io_blocktime is commonly 0 */ |
1992 | |
|
|
1993 | if (expect_true (sleeptime > io_blocktime)) |
2440 | if (expect_false (io_blocktime)) |
1994 | sleeptime = io_blocktime; |
|
|
1995 | |
|
|
1996 | if (sleeptime) |
|
|
1997 | { |
2441 | { |
|
|
2442 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2443 | |
|
|
2444 | if (sleeptime > waittime - backend_fudge) |
|
|
2445 | sleeptime = waittime - backend_fudge; |
|
|
2446 | |
|
|
2447 | if (expect_true (sleeptime > 0.)) |
|
|
2448 | { |
1998 | ev_sleep (sleeptime); |
2449 | ev_sleep (sleeptime); |
1999 | waittime -= sleeptime; |
2450 | waittime -= sleeptime; |
|
|
2451 | } |
2000 | } |
2452 | } |
2001 | } |
2453 | } |
2002 | |
2454 | |
|
|
2455 | #if EV_FEATURE_API |
2003 | ++loop_count; |
2456 | ++loop_count; |
|
|
2457 | #endif |
|
|
2458 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2004 | backend_poll (EV_A_ waittime); |
2459 | backend_poll (EV_A_ waittime); |
|
|
2460 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2005 | |
2461 | |
2006 | /* update ev_rt_now, do magic */ |
2462 | /* update ev_rt_now, do magic */ |
2007 | time_update (EV_A_ waittime + sleeptime); |
2463 | time_update (EV_A_ waittime + sleeptime); |
2008 | } |
2464 | } |
2009 | |
2465 | |
… | |
… | |
2016 | #if EV_IDLE_ENABLE |
2472 | #if EV_IDLE_ENABLE |
2017 | /* queue idle watchers unless other events are pending */ |
2473 | /* queue idle watchers unless other events are pending */ |
2018 | idle_reify (EV_A); |
2474 | idle_reify (EV_A); |
2019 | #endif |
2475 | #endif |
2020 | |
2476 | |
|
|
2477 | #if EV_CHECK_ENABLE |
2021 | /* queue check watchers, to be executed first */ |
2478 | /* queue check watchers, to be executed first */ |
2022 | if (expect_false (checkcnt)) |
2479 | if (expect_false (checkcnt)) |
2023 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2480 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2481 | #endif |
2024 | |
2482 | |
2025 | call_pending (EV_A); |
2483 | EV_INVOKE_PENDING; |
2026 | } |
2484 | } |
2027 | while (expect_true ( |
2485 | while (expect_true ( |
2028 | activecnt |
2486 | activecnt |
2029 | && !loop_done |
2487 | && !loop_done |
2030 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2488 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2031 | )); |
2489 | )); |
2032 | |
2490 | |
2033 | if (loop_done == EVUNLOOP_ONE) |
2491 | if (loop_done == EVBREAK_ONE) |
2034 | loop_done = EVUNLOOP_CANCEL; |
2492 | loop_done = EVBREAK_CANCEL; |
2035 | } |
|
|
2036 | |
2493 | |
|
|
2494 | #if EV_FEATURE_API |
|
|
2495 | --loop_depth; |
|
|
2496 | #endif |
|
|
2497 | } |
|
|
2498 | |
2037 | void |
2499 | void |
2038 | ev_unloop (EV_P_ int how) |
2500 | ev_break (EV_P_ int how) |
2039 | { |
2501 | { |
2040 | loop_done = how; |
2502 | loop_done = how; |
2041 | } |
2503 | } |
2042 | |
2504 | |
|
|
2505 | void |
|
|
2506 | ev_ref (EV_P) |
|
|
2507 | { |
|
|
2508 | ++activecnt; |
|
|
2509 | } |
|
|
2510 | |
|
|
2511 | void |
|
|
2512 | ev_unref (EV_P) |
|
|
2513 | { |
|
|
2514 | --activecnt; |
|
|
2515 | } |
|
|
2516 | |
|
|
2517 | void |
|
|
2518 | ev_now_update (EV_P) |
|
|
2519 | { |
|
|
2520 | time_update (EV_A_ 1e100); |
|
|
2521 | } |
|
|
2522 | |
|
|
2523 | void |
|
|
2524 | ev_suspend (EV_P) |
|
|
2525 | { |
|
|
2526 | ev_now_update (EV_A); |
|
|
2527 | } |
|
|
2528 | |
|
|
2529 | void |
|
|
2530 | ev_resume (EV_P) |
|
|
2531 | { |
|
|
2532 | ev_tstamp mn_prev = mn_now; |
|
|
2533 | |
|
|
2534 | ev_now_update (EV_A); |
|
|
2535 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2536 | #if EV_PERIODIC_ENABLE |
|
|
2537 | /* TODO: really do this? */ |
|
|
2538 | periodics_reschedule (EV_A); |
|
|
2539 | #endif |
|
|
2540 | } |
|
|
2541 | |
2043 | /*****************************************************************************/ |
2542 | /*****************************************************************************/ |
|
|
2543 | /* singly-linked list management, used when the expected list length is short */ |
2044 | |
2544 | |
2045 | void inline_size |
2545 | inline_size void |
2046 | wlist_add (WL *head, WL elem) |
2546 | wlist_add (WL *head, WL elem) |
2047 | { |
2547 | { |
2048 | elem->next = *head; |
2548 | elem->next = *head; |
2049 | *head = elem; |
2549 | *head = elem; |
2050 | } |
2550 | } |
2051 | |
2551 | |
2052 | void inline_size |
2552 | inline_size void |
2053 | wlist_del (WL *head, WL elem) |
2553 | wlist_del (WL *head, WL elem) |
2054 | { |
2554 | { |
2055 | while (*head) |
2555 | while (*head) |
2056 | { |
2556 | { |
2057 | if (*head == elem) |
2557 | if (expect_true (*head == elem)) |
2058 | { |
2558 | { |
2059 | *head = elem->next; |
2559 | *head = elem->next; |
2060 | return; |
2560 | break; |
2061 | } |
2561 | } |
2062 | |
2562 | |
2063 | head = &(*head)->next; |
2563 | head = &(*head)->next; |
2064 | } |
2564 | } |
2065 | } |
2565 | } |
2066 | |
2566 | |
2067 | void inline_speed |
2567 | /* internal, faster, version of ev_clear_pending */ |
|
|
2568 | inline_speed void |
2068 | clear_pending (EV_P_ W w) |
2569 | clear_pending (EV_P_ W w) |
2069 | { |
2570 | { |
2070 | if (w->pending) |
2571 | if (w->pending) |
2071 | { |
2572 | { |
2072 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2573 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2073 | w->pending = 0; |
2574 | w->pending = 0; |
2074 | } |
2575 | } |
2075 | } |
2576 | } |
2076 | |
2577 | |
2077 | int |
2578 | int |
… | |
… | |
2081 | int pending = w_->pending; |
2582 | int pending = w_->pending; |
2082 | |
2583 | |
2083 | if (expect_true (pending)) |
2584 | if (expect_true (pending)) |
2084 | { |
2585 | { |
2085 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2586 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2587 | p->w = (W)&pending_w; |
2086 | w_->pending = 0; |
2588 | w_->pending = 0; |
2087 | p->w = 0; |
|
|
2088 | return p->events; |
2589 | return p->events; |
2089 | } |
2590 | } |
2090 | else |
2591 | else |
2091 | return 0; |
2592 | return 0; |
2092 | } |
2593 | } |
2093 | |
2594 | |
2094 | void inline_size |
2595 | inline_size void |
2095 | pri_adjust (EV_P_ W w) |
2596 | pri_adjust (EV_P_ W w) |
2096 | { |
2597 | { |
2097 | int pri = w->priority; |
2598 | int pri = ev_priority (w); |
2098 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2599 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2099 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2600 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2100 | w->priority = pri; |
2601 | ev_set_priority (w, pri); |
2101 | } |
2602 | } |
2102 | |
2603 | |
2103 | void inline_speed |
2604 | inline_speed void |
2104 | ev_start (EV_P_ W w, int active) |
2605 | ev_start (EV_P_ W w, int active) |
2105 | { |
2606 | { |
2106 | pri_adjust (EV_A_ w); |
2607 | pri_adjust (EV_A_ w); |
2107 | w->active = active; |
2608 | w->active = active; |
2108 | ev_ref (EV_A); |
2609 | ev_ref (EV_A); |
2109 | } |
2610 | } |
2110 | |
2611 | |
2111 | void inline_size |
2612 | inline_size void |
2112 | ev_stop (EV_P_ W w) |
2613 | ev_stop (EV_P_ W w) |
2113 | { |
2614 | { |
2114 | ev_unref (EV_A); |
2615 | ev_unref (EV_A); |
2115 | w->active = 0; |
2616 | w->active = 0; |
2116 | } |
2617 | } |
… | |
… | |
2123 | int fd = w->fd; |
2624 | int fd = w->fd; |
2124 | |
2625 | |
2125 | if (expect_false (ev_is_active (w))) |
2626 | if (expect_false (ev_is_active (w))) |
2126 | return; |
2627 | return; |
2127 | |
2628 | |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2629 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2630 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2130 | |
2631 | |
2131 | EV_FREQUENT_CHECK; |
2632 | EV_FREQUENT_CHECK; |
2132 | |
2633 | |
2133 | ev_start (EV_A_ (W)w, 1); |
2634 | ev_start (EV_A_ (W)w, 1); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2635 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
2636 | wlist_add (&anfds[fd].head, (WL)w); |
2136 | |
2637 | |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2638 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2138 | w->events &= ~EV_IOFDSET; |
2639 | w->events &= ~EV__IOFDSET; |
2139 | |
2640 | |
2140 | EV_FREQUENT_CHECK; |
2641 | EV_FREQUENT_CHECK; |
2141 | } |
2642 | } |
2142 | |
2643 | |
2143 | void noinline |
2644 | void noinline |
… | |
… | |
2145 | { |
2646 | { |
2146 | clear_pending (EV_A_ (W)w); |
2647 | clear_pending (EV_A_ (W)w); |
2147 | if (expect_false (!ev_is_active (w))) |
2648 | if (expect_false (!ev_is_active (w))) |
2148 | return; |
2649 | return; |
2149 | |
2650 | |
2150 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2651 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2151 | |
2652 | |
2152 | EV_FREQUENT_CHECK; |
2653 | EV_FREQUENT_CHECK; |
2153 | |
2654 | |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
2655 | wlist_del (&anfds[w->fd].head, (WL)w); |
2155 | ev_stop (EV_A_ (W)w); |
2656 | ev_stop (EV_A_ (W)w); |
2156 | |
2657 | |
2157 | fd_change (EV_A_ w->fd, 1); |
2658 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2158 | |
2659 | |
2159 | EV_FREQUENT_CHECK; |
2660 | EV_FREQUENT_CHECK; |
2160 | } |
2661 | } |
2161 | |
2662 | |
2162 | void noinline |
2663 | void noinline |
… | |
… | |
2165 | if (expect_false (ev_is_active (w))) |
2666 | if (expect_false (ev_is_active (w))) |
2166 | return; |
2667 | return; |
2167 | |
2668 | |
2168 | ev_at (w) += mn_now; |
2669 | ev_at (w) += mn_now; |
2169 | |
2670 | |
2170 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2671 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2171 | |
2672 | |
2172 | EV_FREQUENT_CHECK; |
2673 | EV_FREQUENT_CHECK; |
2173 | |
2674 | |
2174 | ++timercnt; |
2675 | ++timercnt; |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2676 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2178 | ANHE_at_cache (timers [ev_active (w)]); |
2679 | ANHE_at_cache (timers [ev_active (w)]); |
2179 | upheap (timers, ev_active (w)); |
2680 | upheap (timers, ev_active (w)); |
2180 | |
2681 | |
2181 | EV_FREQUENT_CHECK; |
2682 | EV_FREQUENT_CHECK; |
2182 | |
2683 | |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2684 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2184 | } |
2685 | } |
2185 | |
2686 | |
2186 | void noinline |
2687 | void noinline |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
2688 | ev_timer_stop (EV_P_ ev_timer *w) |
2188 | { |
2689 | { |
… | |
… | |
2193 | EV_FREQUENT_CHECK; |
2694 | EV_FREQUENT_CHECK; |
2194 | |
2695 | |
2195 | { |
2696 | { |
2196 | int active = ev_active (w); |
2697 | int active = ev_active (w); |
2197 | |
2698 | |
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2699 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2199 | |
2700 | |
2200 | --timercnt; |
2701 | --timercnt; |
2201 | |
2702 | |
2202 | if (expect_true (active < timercnt + HEAP0)) |
2703 | if (expect_true (active < timercnt + HEAP0)) |
2203 | { |
2704 | { |
2204 | timers [active] = timers [timercnt + HEAP0]; |
2705 | timers [active] = timers [timercnt + HEAP0]; |
2205 | adjustheap (timers, timercnt, active); |
2706 | adjustheap (timers, timercnt, active); |
2206 | } |
2707 | } |
2207 | } |
2708 | } |
2208 | |
2709 | |
2209 | EV_FREQUENT_CHECK; |
|
|
2210 | |
|
|
2211 | ev_at (w) -= mn_now; |
2710 | ev_at (w) -= mn_now; |
2212 | |
2711 | |
2213 | ev_stop (EV_A_ (W)w); |
2712 | ev_stop (EV_A_ (W)w); |
|
|
2713 | |
|
|
2714 | EV_FREQUENT_CHECK; |
2214 | } |
2715 | } |
2215 | |
2716 | |
2216 | void noinline |
2717 | void noinline |
2217 | ev_timer_again (EV_P_ ev_timer *w) |
2718 | ev_timer_again (EV_P_ ev_timer *w) |
2218 | { |
2719 | { |
… | |
… | |
2236 | } |
2737 | } |
2237 | |
2738 | |
2238 | EV_FREQUENT_CHECK; |
2739 | EV_FREQUENT_CHECK; |
2239 | } |
2740 | } |
2240 | |
2741 | |
|
|
2742 | ev_tstamp |
|
|
2743 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2744 | { |
|
|
2745 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2746 | } |
|
|
2747 | |
2241 | #if EV_PERIODIC_ENABLE |
2748 | #if EV_PERIODIC_ENABLE |
2242 | void noinline |
2749 | void noinline |
2243 | ev_periodic_start (EV_P_ ev_periodic *w) |
2750 | ev_periodic_start (EV_P_ ev_periodic *w) |
2244 | { |
2751 | { |
2245 | if (expect_false (ev_is_active (w))) |
2752 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2247 | |
2754 | |
2248 | if (w->reschedule_cb) |
2755 | if (w->reschedule_cb) |
2249 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2756 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2250 | else if (w->interval) |
2757 | else if (w->interval) |
2251 | { |
2758 | { |
2252 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2759 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2253 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2760 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2254 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2761 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2255 | } |
2762 | } |
2256 | else |
2763 | else |
2257 | ev_at (w) = w->offset; |
2764 | ev_at (w) = w->offset; |
… | |
… | |
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
2772 | ANHE_at_cache (periodics [ev_active (w)]); |
2266 | upheap (periodics, ev_active (w)); |
2773 | upheap (periodics, ev_active (w)); |
2267 | |
2774 | |
2268 | EV_FREQUENT_CHECK; |
2775 | EV_FREQUENT_CHECK; |
2269 | |
2776 | |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2777 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2271 | } |
2778 | } |
2272 | |
2779 | |
2273 | void noinline |
2780 | void noinline |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2781 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2275 | { |
2782 | { |
… | |
… | |
2280 | EV_FREQUENT_CHECK; |
2787 | EV_FREQUENT_CHECK; |
2281 | |
2788 | |
2282 | { |
2789 | { |
2283 | int active = ev_active (w); |
2790 | int active = ev_active (w); |
2284 | |
2791 | |
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2792 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2286 | |
2793 | |
2287 | --periodiccnt; |
2794 | --periodiccnt; |
2288 | |
2795 | |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
2796 | if (expect_true (active < periodiccnt + HEAP0)) |
2290 | { |
2797 | { |
2291 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2798 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2292 | adjustheap (periodics, periodiccnt, active); |
2799 | adjustheap (periodics, periodiccnt, active); |
2293 | } |
2800 | } |
2294 | } |
2801 | } |
2295 | |
2802 | |
2296 | EV_FREQUENT_CHECK; |
|
|
2297 | |
|
|
2298 | ev_stop (EV_A_ (W)w); |
2803 | ev_stop (EV_A_ (W)w); |
|
|
2804 | |
|
|
2805 | EV_FREQUENT_CHECK; |
2299 | } |
2806 | } |
2300 | |
2807 | |
2301 | void noinline |
2808 | void noinline |
2302 | ev_periodic_again (EV_P_ ev_periodic *w) |
2809 | ev_periodic_again (EV_P_ ev_periodic *w) |
2303 | { |
2810 | { |
… | |
… | |
2309 | |
2816 | |
2310 | #ifndef SA_RESTART |
2817 | #ifndef SA_RESTART |
2311 | # define SA_RESTART 0 |
2818 | # define SA_RESTART 0 |
2312 | #endif |
2819 | #endif |
2313 | |
2820 | |
|
|
2821 | #if EV_SIGNAL_ENABLE |
|
|
2822 | |
2314 | void noinline |
2823 | void noinline |
2315 | ev_signal_start (EV_P_ ev_signal *w) |
2824 | ev_signal_start (EV_P_ ev_signal *w) |
2316 | { |
2825 | { |
2317 | #if EV_MULTIPLICITY |
|
|
2318 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2319 | #endif |
|
|
2320 | if (expect_false (ev_is_active (w))) |
2826 | if (expect_false (ev_is_active (w))) |
2321 | return; |
2827 | return; |
2322 | |
2828 | |
2323 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2829 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2324 | |
2830 | |
2325 | evpipe_init (EV_A); |
2831 | #if EV_MULTIPLICITY |
|
|
2832 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2833 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2326 | |
2834 | |
2327 | EV_FREQUENT_CHECK; |
2835 | signals [w->signum - 1].loop = EV_A; |
|
|
2836 | #endif |
2328 | |
2837 | |
|
|
2838 | EV_FREQUENT_CHECK; |
|
|
2839 | |
|
|
2840 | #if EV_USE_SIGNALFD |
|
|
2841 | if (sigfd == -2) |
2329 | { |
2842 | { |
2330 | #ifndef _WIN32 |
2843 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2331 | sigset_t full, prev; |
2844 | if (sigfd < 0 && errno == EINVAL) |
2332 | sigfillset (&full); |
2845 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2334 | #endif |
|
|
2335 | |
2846 | |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2847 | if (sigfd >= 0) |
|
|
2848 | { |
|
|
2849 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2337 | |
2850 | |
2338 | #ifndef _WIN32 |
2851 | sigemptyset (&sigfd_set); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2852 | |
2340 | #endif |
2853 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2854 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2855 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2856 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2857 | } |
2341 | } |
2858 | } |
|
|
2859 | |
|
|
2860 | if (sigfd >= 0) |
|
|
2861 | { |
|
|
2862 | /* TODO: check .head */ |
|
|
2863 | sigaddset (&sigfd_set, w->signum); |
|
|
2864 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2865 | |
|
|
2866 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2867 | } |
|
|
2868 | #endif |
2342 | |
2869 | |
2343 | ev_start (EV_A_ (W)w, 1); |
2870 | ev_start (EV_A_ (W)w, 1); |
2344 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2871 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2345 | |
2872 | |
2346 | if (!((WL)w)->next) |
2873 | if (!((WL)w)->next) |
|
|
2874 | # if EV_USE_SIGNALFD |
|
|
2875 | if (sigfd < 0) /*TODO*/ |
|
|
2876 | # endif |
2347 | { |
2877 | { |
2348 | #if _WIN32 |
2878 | # ifdef _WIN32 |
|
|
2879 | evpipe_init (EV_A); |
|
|
2880 | |
2349 | signal (w->signum, ev_sighandler); |
2881 | signal (w->signum, ev_sighandler); |
2350 | #else |
2882 | # else |
2351 | struct sigaction sa; |
2883 | struct sigaction sa; |
|
|
2884 | |
|
|
2885 | evpipe_init (EV_A); |
|
|
2886 | |
2352 | sa.sa_handler = ev_sighandler; |
2887 | sa.sa_handler = ev_sighandler; |
2353 | sigfillset (&sa.sa_mask); |
2888 | sigfillset (&sa.sa_mask); |
2354 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2889 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2355 | sigaction (w->signum, &sa, 0); |
2890 | sigaction (w->signum, &sa, 0); |
|
|
2891 | |
|
|
2892 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2893 | { |
|
|
2894 | sigemptyset (&sa.sa_mask); |
|
|
2895 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2896 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2897 | } |
2356 | #endif |
2898 | #endif |
2357 | } |
2899 | } |
2358 | |
2900 | |
2359 | EV_FREQUENT_CHECK; |
2901 | EV_FREQUENT_CHECK; |
2360 | } |
2902 | } |
2361 | |
2903 | |
2362 | void noinline |
2904 | void noinline |
… | |
… | |
2370 | |
2912 | |
2371 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2913 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2372 | ev_stop (EV_A_ (W)w); |
2914 | ev_stop (EV_A_ (W)w); |
2373 | |
2915 | |
2374 | if (!signals [w->signum - 1].head) |
2916 | if (!signals [w->signum - 1].head) |
|
|
2917 | { |
|
|
2918 | #if EV_MULTIPLICITY |
|
|
2919 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2920 | #endif |
|
|
2921 | #if EV_USE_SIGNALFD |
|
|
2922 | if (sigfd >= 0) |
|
|
2923 | { |
|
|
2924 | sigset_t ss; |
|
|
2925 | |
|
|
2926 | sigemptyset (&ss); |
|
|
2927 | sigaddset (&ss, w->signum); |
|
|
2928 | sigdelset (&sigfd_set, w->signum); |
|
|
2929 | |
|
|
2930 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2931 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
2932 | } |
|
|
2933 | else |
|
|
2934 | #endif |
2375 | signal (w->signum, SIG_DFL); |
2935 | signal (w->signum, SIG_DFL); |
|
|
2936 | } |
2376 | |
2937 | |
2377 | EV_FREQUENT_CHECK; |
2938 | EV_FREQUENT_CHECK; |
2378 | } |
2939 | } |
|
|
2940 | |
|
|
2941 | #endif |
|
|
2942 | |
|
|
2943 | #if EV_CHILD_ENABLE |
2379 | |
2944 | |
2380 | void |
2945 | void |
2381 | ev_child_start (EV_P_ ev_child *w) |
2946 | ev_child_start (EV_P_ ev_child *w) |
2382 | { |
2947 | { |
2383 | #if EV_MULTIPLICITY |
2948 | #if EV_MULTIPLICITY |
2384 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2949 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2385 | #endif |
2950 | #endif |
2386 | if (expect_false (ev_is_active (w))) |
2951 | if (expect_false (ev_is_active (w))) |
2387 | return; |
2952 | return; |
2388 | |
2953 | |
2389 | EV_FREQUENT_CHECK; |
2954 | EV_FREQUENT_CHECK; |
2390 | |
2955 | |
2391 | ev_start (EV_A_ (W)w, 1); |
2956 | ev_start (EV_A_ (W)w, 1); |
2392 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2957 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2393 | |
2958 | |
2394 | EV_FREQUENT_CHECK; |
2959 | EV_FREQUENT_CHECK; |
2395 | } |
2960 | } |
2396 | |
2961 | |
2397 | void |
2962 | void |
… | |
… | |
2401 | if (expect_false (!ev_is_active (w))) |
2966 | if (expect_false (!ev_is_active (w))) |
2402 | return; |
2967 | return; |
2403 | |
2968 | |
2404 | EV_FREQUENT_CHECK; |
2969 | EV_FREQUENT_CHECK; |
2405 | |
2970 | |
2406 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2971 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2407 | ev_stop (EV_A_ (W)w); |
2972 | ev_stop (EV_A_ (W)w); |
2408 | |
2973 | |
2409 | EV_FREQUENT_CHECK; |
2974 | EV_FREQUENT_CHECK; |
2410 | } |
2975 | } |
|
|
2976 | |
|
|
2977 | #endif |
2411 | |
2978 | |
2412 | #if EV_STAT_ENABLE |
2979 | #if EV_STAT_ENABLE |
2413 | |
2980 | |
2414 | # ifdef _WIN32 |
2981 | # ifdef _WIN32 |
2415 | # undef lstat |
2982 | # undef lstat |
2416 | # define lstat(a,b) _stati64 (a,b) |
2983 | # define lstat(a,b) _stati64 (a,b) |
2417 | # endif |
2984 | # endif |
2418 | |
2985 | |
2419 | #define DEF_STAT_INTERVAL 5.0074891 |
2986 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2987 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2420 | #define MIN_STAT_INTERVAL 0.1074891 |
2988 | #define MIN_STAT_INTERVAL 0.1074891 |
2421 | |
2989 | |
2422 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2990 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2423 | |
2991 | |
2424 | #if EV_USE_INOTIFY |
2992 | #if EV_USE_INOTIFY |
2425 | # define EV_INOTIFY_BUFSIZE 8192 |
2993 | |
|
|
2994 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2995 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2426 | |
2996 | |
2427 | static void noinline |
2997 | static void noinline |
2428 | infy_add (EV_P_ ev_stat *w) |
2998 | infy_add (EV_P_ ev_stat *w) |
2429 | { |
2999 | { |
2430 | 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); |
3000 | 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); |
2431 | |
3001 | |
2432 | if (w->wd < 0) |
3002 | if (w->wd >= 0) |
|
|
3003 | { |
|
|
3004 | struct statfs sfs; |
|
|
3005 | |
|
|
3006 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3007 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3008 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3009 | |
|
|
3010 | if (!fs_2625) |
|
|
3011 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3012 | else if (!statfs (w->path, &sfs) |
|
|
3013 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3014 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3015 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3016 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3017 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3018 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3019 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3020 | else |
|
|
3021 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2433 | { |
3022 | } |
2434 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
3023 | else |
|
|
3024 | { |
|
|
3025 | /* can't use inotify, continue to stat */ |
|
|
3026 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2435 | |
3027 | |
2436 | /* monitor some parent directory for speedup hints */ |
3028 | /* if path is not there, monitor some parent directory for speedup hints */ |
2437 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
3029 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2438 | /* but an efficiency issue only */ |
3030 | /* but an efficiency issue only */ |
2439 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3031 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2440 | { |
3032 | { |
2441 | char path [4096]; |
3033 | char path [4096]; |
2442 | strcpy (path, w->path); |
3034 | strcpy (path, w->path); |
… | |
… | |
2446 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
3038 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2447 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
3039 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2448 | |
3040 | |
2449 | char *pend = strrchr (path, '/'); |
3041 | char *pend = strrchr (path, '/'); |
2450 | |
3042 | |
2451 | if (!pend) |
3043 | if (!pend || pend == path) |
2452 | break; /* whoops, no '/', complain to your admin */ |
3044 | break; |
2453 | |
3045 | |
2454 | *pend = 0; |
3046 | *pend = 0; |
2455 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3047 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2456 | } |
3048 | } |
2457 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3049 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2458 | } |
3050 | } |
2459 | } |
3051 | } |
2460 | else |
|
|
2461 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2462 | |
3052 | |
2463 | if (w->wd >= 0) |
3053 | if (w->wd >= 0) |
2464 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3054 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
|
|
3055 | |
|
|
3056 | /* now re-arm timer, if required */ |
|
|
3057 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
|
|
3058 | ev_timer_again (EV_A_ &w->timer); |
|
|
3059 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2465 | } |
3060 | } |
2466 | |
3061 | |
2467 | static void noinline |
3062 | static void noinline |
2468 | infy_del (EV_P_ ev_stat *w) |
3063 | infy_del (EV_P_ ev_stat *w) |
2469 | { |
3064 | { |
… | |
… | |
2472 | |
3067 | |
2473 | if (wd < 0) |
3068 | if (wd < 0) |
2474 | return; |
3069 | return; |
2475 | |
3070 | |
2476 | w->wd = -2; |
3071 | w->wd = -2; |
2477 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3072 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2478 | wlist_del (&fs_hash [slot].head, (WL)w); |
3073 | wlist_del (&fs_hash [slot].head, (WL)w); |
2479 | |
3074 | |
2480 | /* remove this watcher, if others are watching it, they will rearm */ |
3075 | /* remove this watcher, if others are watching it, they will rearm */ |
2481 | inotify_rm_watch (fs_fd, wd); |
3076 | inotify_rm_watch (fs_fd, wd); |
2482 | } |
3077 | } |
… | |
… | |
2484 | static void noinline |
3079 | static void noinline |
2485 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3080 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2486 | { |
3081 | { |
2487 | if (slot < 0) |
3082 | if (slot < 0) |
2488 | /* overflow, need to check for all hash slots */ |
3083 | /* overflow, need to check for all hash slots */ |
2489 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3084 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2490 | infy_wd (EV_A_ slot, wd, ev); |
3085 | infy_wd (EV_A_ slot, wd, ev); |
2491 | else |
3086 | else |
2492 | { |
3087 | { |
2493 | WL w_; |
3088 | WL w_; |
2494 | |
3089 | |
2495 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3090 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2496 | { |
3091 | { |
2497 | ev_stat *w = (ev_stat *)w_; |
3092 | ev_stat *w = (ev_stat *)w_; |
2498 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3093 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2499 | |
3094 | |
2500 | if (w->wd == wd || wd == -1) |
3095 | if (w->wd == wd || wd == -1) |
2501 | { |
3096 | { |
2502 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3097 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2503 | { |
3098 | { |
|
|
3099 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2504 | w->wd = -1; |
3100 | w->wd = -1; |
2505 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3101 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2506 | } |
3102 | } |
2507 | |
3103 | |
2508 | stat_timer_cb (EV_A_ &w->timer, 0); |
3104 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2513 | |
3109 | |
2514 | static void |
3110 | static void |
2515 | infy_cb (EV_P_ ev_io *w, int revents) |
3111 | infy_cb (EV_P_ ev_io *w, int revents) |
2516 | { |
3112 | { |
2517 | char buf [EV_INOTIFY_BUFSIZE]; |
3113 | char buf [EV_INOTIFY_BUFSIZE]; |
2518 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2519 | int ofs; |
3114 | int ofs; |
2520 | int len = read (fs_fd, buf, sizeof (buf)); |
3115 | int len = read (fs_fd, buf, sizeof (buf)); |
2521 | |
3116 | |
2522 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3117 | for (ofs = 0; ofs < len; ) |
|
|
3118 | { |
|
|
3119 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2523 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3120 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3121 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3122 | } |
2524 | } |
3123 | } |
2525 | |
3124 | |
2526 | void inline_size |
3125 | inline_size void |
2527 | infy_init (EV_P) |
3126 | ev_check_2625 (EV_P) |
2528 | { |
3127 | { |
2529 | if (fs_fd != -2) |
|
|
2530 | return; |
|
|
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
3128 | /* kernels < 2.6.25 are borked |
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3129 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2534 | */ |
3130 | */ |
2535 | { |
3131 | if (ev_linux_version () < 0x020619) |
2536 | struct utsname buf; |
3132 | return; |
2537 | int major, minor, micro; |
|
|
2538 | |
3133 | |
|
|
3134 | fs_2625 = 1; |
|
|
3135 | } |
|
|
3136 | |
|
|
3137 | inline_size int |
|
|
3138 | infy_newfd (void) |
|
|
3139 | { |
|
|
3140 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3141 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3142 | if (fd >= 0) |
|
|
3143 | return fd; |
|
|
3144 | #endif |
|
|
3145 | return inotify_init (); |
|
|
3146 | } |
|
|
3147 | |
|
|
3148 | inline_size void |
|
|
3149 | infy_init (EV_P) |
|
|
3150 | { |
|
|
3151 | if (fs_fd != -2) |
|
|
3152 | return; |
|
|
3153 | |
2539 | fs_fd = -1; |
3154 | fs_fd = -1; |
2540 | |
3155 | |
2541 | if (uname (&buf)) |
3156 | ev_check_2625 (EV_A); |
2542 | return; |
|
|
2543 | |
3157 | |
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2545 | return; |
|
|
2546 | |
|
|
2547 | if (major < 2 |
|
|
2548 | || (major == 2 && minor < 6) |
|
|
2549 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2550 | return; |
|
|
2551 | } |
|
|
2552 | |
|
|
2553 | fs_fd = inotify_init (); |
3158 | fs_fd = infy_newfd (); |
2554 | |
3159 | |
2555 | if (fs_fd >= 0) |
3160 | if (fs_fd >= 0) |
2556 | { |
3161 | { |
|
|
3162 | fd_intern (fs_fd); |
2557 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3163 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2558 | ev_set_priority (&fs_w, EV_MAXPRI); |
3164 | ev_set_priority (&fs_w, EV_MAXPRI); |
2559 | ev_io_start (EV_A_ &fs_w); |
3165 | ev_io_start (EV_A_ &fs_w); |
|
|
3166 | ev_unref (EV_A); |
2560 | } |
3167 | } |
2561 | } |
3168 | } |
2562 | |
3169 | |
2563 | void inline_size |
3170 | inline_size void |
2564 | infy_fork (EV_P) |
3171 | infy_fork (EV_P) |
2565 | { |
3172 | { |
2566 | int slot; |
3173 | int slot; |
2567 | |
3174 | |
2568 | if (fs_fd < 0) |
3175 | if (fs_fd < 0) |
2569 | return; |
3176 | return; |
2570 | |
3177 | |
|
|
3178 | ev_ref (EV_A); |
|
|
3179 | ev_io_stop (EV_A_ &fs_w); |
2571 | close (fs_fd); |
3180 | close (fs_fd); |
2572 | fs_fd = inotify_init (); |
3181 | fs_fd = infy_newfd (); |
2573 | |
3182 | |
|
|
3183 | if (fs_fd >= 0) |
|
|
3184 | { |
|
|
3185 | fd_intern (fs_fd); |
|
|
3186 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3187 | ev_io_start (EV_A_ &fs_w); |
|
|
3188 | ev_unref (EV_A); |
|
|
3189 | } |
|
|
3190 | |
2574 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3191 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2575 | { |
3192 | { |
2576 | WL w_ = fs_hash [slot].head; |
3193 | WL w_ = fs_hash [slot].head; |
2577 | fs_hash [slot].head = 0; |
3194 | fs_hash [slot].head = 0; |
2578 | |
3195 | |
2579 | while (w_) |
3196 | while (w_) |
… | |
… | |
2584 | w->wd = -1; |
3201 | w->wd = -1; |
2585 | |
3202 | |
2586 | if (fs_fd >= 0) |
3203 | if (fs_fd >= 0) |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3204 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2588 | else |
3205 | else |
|
|
3206 | { |
|
|
3207 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3208 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2589 | ev_timer_start (EV_A_ &w->timer); |
3209 | ev_timer_again (EV_A_ &w->timer); |
|
|
3210 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3211 | } |
2590 | } |
3212 | } |
2591 | } |
3213 | } |
2592 | } |
3214 | } |
2593 | |
3215 | |
2594 | #endif |
3216 | #endif |
… | |
… | |
2611 | static void noinline |
3233 | static void noinline |
2612 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3234 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2613 | { |
3235 | { |
2614 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3236 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2615 | |
3237 | |
2616 | /* we copy this here each the time so that */ |
3238 | ev_statdata prev = w->attr; |
2617 | /* prev has the old value when the callback gets invoked */ |
|
|
2618 | w->prev = w->attr; |
|
|
2619 | ev_stat_stat (EV_A_ w); |
3239 | ev_stat_stat (EV_A_ w); |
2620 | |
3240 | |
2621 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3241 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2622 | if ( |
3242 | if ( |
2623 | w->prev.st_dev != w->attr.st_dev |
3243 | prev.st_dev != w->attr.st_dev |
2624 | || w->prev.st_ino != w->attr.st_ino |
3244 | || prev.st_ino != w->attr.st_ino |
2625 | || w->prev.st_mode != w->attr.st_mode |
3245 | || prev.st_mode != w->attr.st_mode |
2626 | || w->prev.st_nlink != w->attr.st_nlink |
3246 | || prev.st_nlink != w->attr.st_nlink |
2627 | || w->prev.st_uid != w->attr.st_uid |
3247 | || prev.st_uid != w->attr.st_uid |
2628 | || w->prev.st_gid != w->attr.st_gid |
3248 | || prev.st_gid != w->attr.st_gid |
2629 | || w->prev.st_rdev != w->attr.st_rdev |
3249 | || prev.st_rdev != w->attr.st_rdev |
2630 | || w->prev.st_size != w->attr.st_size |
3250 | || prev.st_size != w->attr.st_size |
2631 | || w->prev.st_atime != w->attr.st_atime |
3251 | || prev.st_atime != w->attr.st_atime |
2632 | || w->prev.st_mtime != w->attr.st_mtime |
3252 | || prev.st_mtime != w->attr.st_mtime |
2633 | || w->prev.st_ctime != w->attr.st_ctime |
3253 | || prev.st_ctime != w->attr.st_ctime |
2634 | ) { |
3254 | ) { |
|
|
3255 | /* we only update w->prev on actual differences */ |
|
|
3256 | /* in case we test more often than invoke the callback, */ |
|
|
3257 | /* to ensure that prev is always different to attr */ |
|
|
3258 | w->prev = prev; |
|
|
3259 | |
2635 | #if EV_USE_INOTIFY |
3260 | #if EV_USE_INOTIFY |
2636 | if (fs_fd >= 0) |
3261 | if (fs_fd >= 0) |
2637 | { |
3262 | { |
2638 | infy_del (EV_A_ w); |
3263 | infy_del (EV_A_ w); |
2639 | infy_add (EV_A_ w); |
3264 | infy_add (EV_A_ w); |
… | |
… | |
2649 | ev_stat_start (EV_P_ ev_stat *w) |
3274 | ev_stat_start (EV_P_ ev_stat *w) |
2650 | { |
3275 | { |
2651 | if (expect_false (ev_is_active (w))) |
3276 | if (expect_false (ev_is_active (w))) |
2652 | return; |
3277 | return; |
2653 | |
3278 | |
2654 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2655 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2656 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2657 | |
|
|
2658 | ev_stat_stat (EV_A_ w); |
3279 | ev_stat_stat (EV_A_ w); |
2659 | |
3280 | |
|
|
3281 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2660 | if (w->interval < MIN_STAT_INTERVAL) |
3282 | w->interval = MIN_STAT_INTERVAL; |
2661 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2662 | |
3283 | |
2663 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3284 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2664 | ev_set_priority (&w->timer, ev_priority (w)); |
3285 | ev_set_priority (&w->timer, ev_priority (w)); |
2665 | |
3286 | |
2666 | #if EV_USE_INOTIFY |
3287 | #if EV_USE_INOTIFY |
2667 | infy_init (EV_A); |
3288 | infy_init (EV_A); |
2668 | |
3289 | |
2669 | if (fs_fd >= 0) |
3290 | if (fs_fd >= 0) |
2670 | infy_add (EV_A_ w); |
3291 | infy_add (EV_A_ w); |
2671 | else |
3292 | else |
2672 | #endif |
3293 | #endif |
|
|
3294 | { |
2673 | ev_timer_start (EV_A_ &w->timer); |
3295 | ev_timer_again (EV_A_ &w->timer); |
|
|
3296 | ev_unref (EV_A); |
|
|
3297 | } |
2674 | |
3298 | |
2675 | ev_start (EV_A_ (W)w, 1); |
3299 | ev_start (EV_A_ (W)w, 1); |
2676 | |
3300 | |
2677 | EV_FREQUENT_CHECK; |
3301 | EV_FREQUENT_CHECK; |
2678 | } |
3302 | } |
… | |
… | |
2687 | EV_FREQUENT_CHECK; |
3311 | EV_FREQUENT_CHECK; |
2688 | |
3312 | |
2689 | #if EV_USE_INOTIFY |
3313 | #if EV_USE_INOTIFY |
2690 | infy_del (EV_A_ w); |
3314 | infy_del (EV_A_ w); |
2691 | #endif |
3315 | #endif |
|
|
3316 | |
|
|
3317 | if (ev_is_active (&w->timer)) |
|
|
3318 | { |
|
|
3319 | ev_ref (EV_A); |
2692 | ev_timer_stop (EV_A_ &w->timer); |
3320 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3321 | } |
2693 | |
3322 | |
2694 | ev_stop (EV_A_ (W)w); |
3323 | ev_stop (EV_A_ (W)w); |
2695 | |
3324 | |
2696 | EV_FREQUENT_CHECK; |
3325 | EV_FREQUENT_CHECK; |
2697 | } |
3326 | } |
… | |
… | |
2742 | |
3371 | |
2743 | EV_FREQUENT_CHECK; |
3372 | EV_FREQUENT_CHECK; |
2744 | } |
3373 | } |
2745 | #endif |
3374 | #endif |
2746 | |
3375 | |
|
|
3376 | #if EV_PREPARE_ENABLE |
2747 | void |
3377 | void |
2748 | ev_prepare_start (EV_P_ ev_prepare *w) |
3378 | ev_prepare_start (EV_P_ ev_prepare *w) |
2749 | { |
3379 | { |
2750 | if (expect_false (ev_is_active (w))) |
3380 | if (expect_false (ev_is_active (w))) |
2751 | return; |
3381 | return; |
… | |
… | |
2777 | |
3407 | |
2778 | ev_stop (EV_A_ (W)w); |
3408 | ev_stop (EV_A_ (W)w); |
2779 | |
3409 | |
2780 | EV_FREQUENT_CHECK; |
3410 | EV_FREQUENT_CHECK; |
2781 | } |
3411 | } |
|
|
3412 | #endif |
2782 | |
3413 | |
|
|
3414 | #if EV_CHECK_ENABLE |
2783 | void |
3415 | void |
2784 | ev_check_start (EV_P_ ev_check *w) |
3416 | ev_check_start (EV_P_ ev_check *w) |
2785 | { |
3417 | { |
2786 | if (expect_false (ev_is_active (w))) |
3418 | if (expect_false (ev_is_active (w))) |
2787 | return; |
3419 | return; |
… | |
… | |
2813 | |
3445 | |
2814 | ev_stop (EV_A_ (W)w); |
3446 | ev_stop (EV_A_ (W)w); |
2815 | |
3447 | |
2816 | EV_FREQUENT_CHECK; |
3448 | EV_FREQUENT_CHECK; |
2817 | } |
3449 | } |
|
|
3450 | #endif |
2818 | |
3451 | |
2819 | #if EV_EMBED_ENABLE |
3452 | #if EV_EMBED_ENABLE |
2820 | void noinline |
3453 | void noinline |
2821 | ev_embed_sweep (EV_P_ ev_embed *w) |
3454 | ev_embed_sweep (EV_P_ ev_embed *w) |
2822 | { |
3455 | { |
2823 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3456 | ev_run (w->other, EVRUN_NOWAIT); |
2824 | } |
3457 | } |
2825 | |
3458 | |
2826 | static void |
3459 | static void |
2827 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3460 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2828 | { |
3461 | { |
2829 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3462 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2830 | |
3463 | |
2831 | if (ev_cb (w)) |
3464 | if (ev_cb (w)) |
2832 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3465 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2833 | else |
3466 | else |
2834 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3467 | ev_run (w->other, EVRUN_NOWAIT); |
2835 | } |
3468 | } |
2836 | |
3469 | |
2837 | static void |
3470 | static void |
2838 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3471 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2839 | { |
3472 | { |
2840 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3473 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2841 | |
3474 | |
2842 | { |
3475 | { |
2843 | struct ev_loop *loop = w->other; |
3476 | EV_P = w->other; |
2844 | |
3477 | |
2845 | while (fdchangecnt) |
3478 | while (fdchangecnt) |
2846 | { |
3479 | { |
2847 | fd_reify (EV_A); |
3480 | fd_reify (EV_A); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3481 | ev_run (EV_A_ EVRUN_NOWAIT); |
2849 | } |
3482 | } |
2850 | } |
3483 | } |
2851 | } |
3484 | } |
2852 | |
3485 | |
2853 | static void |
3486 | static void |
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3487 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2855 | { |
3488 | { |
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3489 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2857 | |
3490 | |
|
|
3491 | ev_embed_stop (EV_A_ w); |
|
|
3492 | |
2858 | { |
3493 | { |
2859 | struct ev_loop *loop = w->other; |
3494 | EV_P = w->other; |
2860 | |
3495 | |
2861 | ev_loop_fork (EV_A); |
3496 | ev_loop_fork (EV_A); |
|
|
3497 | ev_run (EV_A_ EVRUN_NOWAIT); |
2862 | } |
3498 | } |
|
|
3499 | |
|
|
3500 | ev_embed_start (EV_A_ w); |
2863 | } |
3501 | } |
2864 | |
3502 | |
2865 | #if 0 |
3503 | #if 0 |
2866 | static void |
3504 | static void |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3505 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2875 | { |
3513 | { |
2876 | if (expect_false (ev_is_active (w))) |
3514 | if (expect_false (ev_is_active (w))) |
2877 | return; |
3515 | return; |
2878 | |
3516 | |
2879 | { |
3517 | { |
2880 | struct ev_loop *loop = w->other; |
3518 | EV_P = w->other; |
2881 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3519 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2882 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3520 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2883 | } |
3521 | } |
2884 | |
3522 | |
2885 | EV_FREQUENT_CHECK; |
3523 | EV_FREQUENT_CHECK; |
2886 | |
3524 | |
… | |
… | |
2912 | |
3550 | |
2913 | ev_io_stop (EV_A_ &w->io); |
3551 | ev_io_stop (EV_A_ &w->io); |
2914 | ev_prepare_stop (EV_A_ &w->prepare); |
3552 | ev_prepare_stop (EV_A_ &w->prepare); |
2915 | ev_fork_stop (EV_A_ &w->fork); |
3553 | ev_fork_stop (EV_A_ &w->fork); |
2916 | |
3554 | |
|
|
3555 | ev_stop (EV_A_ (W)w); |
|
|
3556 | |
2917 | EV_FREQUENT_CHECK; |
3557 | EV_FREQUENT_CHECK; |
2918 | } |
3558 | } |
2919 | #endif |
3559 | #endif |
2920 | |
3560 | |
2921 | #if EV_FORK_ENABLE |
3561 | #if EV_FORK_ENABLE |
… | |
… | |
2954 | |
3594 | |
2955 | EV_FREQUENT_CHECK; |
3595 | EV_FREQUENT_CHECK; |
2956 | } |
3596 | } |
2957 | #endif |
3597 | #endif |
2958 | |
3598 | |
2959 | #if EV_ASYNC_ENABLE |
3599 | #if EV_CLEANUP_ENABLE |
2960 | void |
3600 | void |
2961 | ev_async_start (EV_P_ ev_async *w) |
3601 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
2962 | { |
3602 | { |
2963 | if (expect_false (ev_is_active (w))) |
3603 | if (expect_false (ev_is_active (w))) |
2964 | return; |
3604 | return; |
|
|
3605 | |
|
|
3606 | EV_FREQUENT_CHECK; |
|
|
3607 | |
|
|
3608 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3609 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3610 | cleanups [cleanupcnt - 1] = w; |
|
|
3611 | |
|
|
3612 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3613 | ev_unref (EV_A); |
|
|
3614 | EV_FREQUENT_CHECK; |
|
|
3615 | } |
|
|
3616 | |
|
|
3617 | void |
|
|
3618 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3619 | { |
|
|
3620 | clear_pending (EV_A_ (W)w); |
|
|
3621 | if (expect_false (!ev_is_active (w))) |
|
|
3622 | return; |
|
|
3623 | |
|
|
3624 | EV_FREQUENT_CHECK; |
|
|
3625 | ev_ref (EV_A); |
|
|
3626 | |
|
|
3627 | { |
|
|
3628 | int active = ev_active (w); |
|
|
3629 | |
|
|
3630 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3631 | ev_active (cleanups [active - 1]) = active; |
|
|
3632 | } |
|
|
3633 | |
|
|
3634 | ev_stop (EV_A_ (W)w); |
|
|
3635 | |
|
|
3636 | EV_FREQUENT_CHECK; |
|
|
3637 | } |
|
|
3638 | #endif |
|
|
3639 | |
|
|
3640 | #if EV_ASYNC_ENABLE |
|
|
3641 | void |
|
|
3642 | ev_async_start (EV_P_ ev_async *w) |
|
|
3643 | { |
|
|
3644 | if (expect_false (ev_is_active (w))) |
|
|
3645 | return; |
|
|
3646 | |
|
|
3647 | w->sent = 0; |
2965 | |
3648 | |
2966 | evpipe_init (EV_A); |
3649 | evpipe_init (EV_A); |
2967 | |
3650 | |
2968 | EV_FREQUENT_CHECK; |
3651 | EV_FREQUENT_CHECK; |
2969 | |
3652 | |
… | |
… | |
2997 | |
3680 | |
2998 | void |
3681 | void |
2999 | ev_async_send (EV_P_ ev_async *w) |
3682 | ev_async_send (EV_P_ ev_async *w) |
3000 | { |
3683 | { |
3001 | w->sent = 1; |
3684 | w->sent = 1; |
3002 | evpipe_write (EV_A_ &gotasync); |
3685 | evpipe_write (EV_A_ &async_pending); |
3003 | } |
3686 | } |
3004 | #endif |
3687 | #endif |
3005 | |
3688 | |
3006 | /*****************************************************************************/ |
3689 | /*****************************************************************************/ |
3007 | |
3690 | |
… | |
… | |
3047 | { |
3730 | { |
3048 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3731 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3049 | |
3732 | |
3050 | if (expect_false (!once)) |
3733 | if (expect_false (!once)) |
3051 | { |
3734 | { |
3052 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3735 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3053 | return; |
3736 | return; |
3054 | } |
3737 | } |
3055 | |
3738 | |
3056 | once->cb = cb; |
3739 | once->cb = cb; |
3057 | once->arg = arg; |
3740 | once->arg = arg; |
… | |
… | |
3069 | ev_timer_set (&once->to, timeout, 0.); |
3752 | ev_timer_set (&once->to, timeout, 0.); |
3070 | ev_timer_start (EV_A_ &once->to); |
3753 | ev_timer_start (EV_A_ &once->to); |
3071 | } |
3754 | } |
3072 | } |
3755 | } |
3073 | |
3756 | |
|
|
3757 | /*****************************************************************************/ |
|
|
3758 | |
|
|
3759 | #if EV_WALK_ENABLE |
|
|
3760 | void |
|
|
3761 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3762 | { |
|
|
3763 | int i, j; |
|
|
3764 | ev_watcher_list *wl, *wn; |
|
|
3765 | |
|
|
3766 | if (types & (EV_IO | EV_EMBED)) |
|
|
3767 | for (i = 0; i < anfdmax; ++i) |
|
|
3768 | for (wl = anfds [i].head; wl; ) |
|
|
3769 | { |
|
|
3770 | wn = wl->next; |
|
|
3771 | |
|
|
3772 | #if EV_EMBED_ENABLE |
|
|
3773 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3774 | { |
|
|
3775 | if (types & EV_EMBED) |
|
|
3776 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3777 | } |
|
|
3778 | else |
|
|
3779 | #endif |
|
|
3780 | #if EV_USE_INOTIFY |
|
|
3781 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3782 | ; |
|
|
3783 | else |
|
|
3784 | #endif |
|
|
3785 | if ((ev_io *)wl != &pipe_w) |
|
|
3786 | if (types & EV_IO) |
|
|
3787 | cb (EV_A_ EV_IO, wl); |
|
|
3788 | |
|
|
3789 | wl = wn; |
|
|
3790 | } |
|
|
3791 | |
|
|
3792 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3793 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3794 | #if EV_STAT_ENABLE |
|
|
3795 | /*TODO: timer is not always active*/ |
|
|
3796 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3797 | { |
|
|
3798 | if (types & EV_STAT) |
|
|
3799 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3800 | } |
|
|
3801 | else |
|
|
3802 | #endif |
|
|
3803 | if (types & EV_TIMER) |
|
|
3804 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3805 | |
|
|
3806 | #if EV_PERIODIC_ENABLE |
|
|
3807 | if (types & EV_PERIODIC) |
|
|
3808 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3809 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3810 | #endif |
|
|
3811 | |
|
|
3812 | #if EV_IDLE_ENABLE |
|
|
3813 | if (types & EV_IDLE) |
|
|
3814 | for (j = NUMPRI; i--; ) |
|
|
3815 | for (i = idlecnt [j]; i--; ) |
|
|
3816 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3817 | #endif |
|
|
3818 | |
|
|
3819 | #if EV_FORK_ENABLE |
|
|
3820 | if (types & EV_FORK) |
|
|
3821 | for (i = forkcnt; i--; ) |
|
|
3822 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3823 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3824 | #endif |
|
|
3825 | |
|
|
3826 | #if EV_ASYNC_ENABLE |
|
|
3827 | if (types & EV_ASYNC) |
|
|
3828 | for (i = asynccnt; i--; ) |
|
|
3829 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3830 | #endif |
|
|
3831 | |
|
|
3832 | #if EV_PREPARE_ENABLE |
|
|
3833 | if (types & EV_PREPARE) |
|
|
3834 | for (i = preparecnt; i--; ) |
|
|
3835 | # if EV_EMBED_ENABLE |
|
|
3836 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3837 | # endif |
|
|
3838 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3839 | #endif |
|
|
3840 | |
|
|
3841 | #if EV_CHECK_ENABLE |
|
|
3842 | if (types & EV_CHECK) |
|
|
3843 | for (i = checkcnt; i--; ) |
|
|
3844 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3845 | #endif |
|
|
3846 | |
|
|
3847 | #if EV_SIGNAL_ENABLE |
|
|
3848 | if (types & EV_SIGNAL) |
|
|
3849 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
3850 | for (wl = signals [i].head; wl; ) |
|
|
3851 | { |
|
|
3852 | wn = wl->next; |
|
|
3853 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3854 | wl = wn; |
|
|
3855 | } |
|
|
3856 | #endif |
|
|
3857 | |
|
|
3858 | #if EV_CHILD_ENABLE |
|
|
3859 | if (types & EV_CHILD) |
|
|
3860 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
3861 | for (wl = childs [i]; wl; ) |
|
|
3862 | { |
|
|
3863 | wn = wl->next; |
|
|
3864 | cb (EV_A_ EV_CHILD, wl); |
|
|
3865 | wl = wn; |
|
|
3866 | } |
|
|
3867 | #endif |
|
|
3868 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3869 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3870 | } |
|
|
3871 | #endif |
|
|
3872 | |
3074 | #if EV_MULTIPLICITY |
3873 | #if EV_MULTIPLICITY |
3075 | #include "ev_wrap.h" |
3874 | #include "ev_wrap.h" |
3076 | #endif |
3875 | #endif |
3077 | |
3876 | |
3078 | #ifdef __cplusplus |
3877 | EV_CPP(}) |
3079 | } |
|
|
3080 | #endif |
|
|
3081 | |
3878 | |