1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010 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 | * |
… | |
… | |
79 | # endif |
79 | # endif |
80 | # endif |
80 | # endif |
81 | |
81 | |
82 | # ifndef EV_USE_NANOSLEEP |
82 | # ifndef EV_USE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
83 | # if HAVE_NANOSLEEP |
84 | # define EV_USE_NANOSLEEP 1 |
84 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
85 | # else |
85 | # else |
86 | # define EV_USE_NANOSLEEP 0 |
86 | # define EV_USE_NANOSLEEP 0 |
87 | # endif |
87 | # endif |
88 | # endif |
88 | # endif |
89 | |
89 | |
90 | # ifndef EV_USE_SELECT |
90 | # ifndef EV_USE_SELECT |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
91 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
92 | # define EV_USE_SELECT 1 |
92 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
93 | # else |
93 | # else |
94 | # define EV_USE_SELECT 0 |
94 | # define EV_USE_SELECT 0 |
95 | # endif |
95 | # endif |
96 | # endif |
96 | # endif |
97 | |
97 | |
98 | # ifndef EV_USE_POLL |
98 | # ifndef EV_USE_POLL |
99 | # if HAVE_POLL && HAVE_POLL_H |
99 | # if HAVE_POLL && HAVE_POLL_H |
100 | # define EV_USE_POLL 1 |
100 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
101 | # else |
101 | # else |
102 | # define EV_USE_POLL 0 |
102 | # define EV_USE_POLL 0 |
103 | # endif |
103 | # endif |
104 | # endif |
104 | # endif |
105 | |
105 | |
106 | # ifndef EV_USE_EPOLL |
106 | # ifndef EV_USE_EPOLL |
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
107 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
108 | # define EV_USE_EPOLL 1 |
108 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
109 | # else |
109 | # else |
110 | # define EV_USE_EPOLL 0 |
110 | # define EV_USE_EPOLL 0 |
111 | # endif |
111 | # endif |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
114 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
117 | # else |
117 | # else |
118 | # define EV_USE_KQUEUE 0 |
118 | # define EV_USE_KQUEUE 0 |
119 | # endif |
119 | # endif |
120 | # endif |
120 | # endif |
121 | |
121 | |
122 | # ifndef EV_USE_PORT |
122 | # ifndef EV_USE_PORT |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
123 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
124 | # define EV_USE_PORT 1 |
124 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
125 | # else |
125 | # else |
126 | # define EV_USE_PORT 0 |
126 | # define EV_USE_PORT 0 |
127 | # endif |
127 | # endif |
128 | # endif |
128 | # endif |
129 | |
129 | |
130 | # ifndef EV_USE_INOTIFY |
130 | # ifndef EV_USE_INOTIFY |
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
131 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
132 | # define EV_USE_INOTIFY 1 |
132 | # define EV_USE_INOTIFY EV_FEATURE_OS |
133 | # else |
133 | # else |
134 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
135 | # endif |
135 | # endif |
136 | # endif |
136 | # endif |
137 | |
137 | |
138 | # ifndef EV_USE_SIGNALFD |
138 | # ifndef EV_USE_SIGNALFD |
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
140 | # define EV_USE_SIGNALFD 1 |
140 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
141 | # else |
141 | # else |
142 | # define EV_USE_SIGNALFD 0 |
142 | # define EV_USE_SIGNALFD 0 |
143 | # endif |
143 | # endif |
144 | # endif |
144 | # endif |
145 | |
145 | |
146 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
147 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
148 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD EV_FEATURE_OS |
149 | # else |
149 | # else |
150 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
151 | # endif |
151 | # endif |
152 | # endif |
152 | # endif |
153 | |
153 | |
154 | #endif |
154 | #endif |
155 | |
155 | |
156 | #include <math.h> |
156 | #include <math.h> |
157 | #include <stdlib.h> |
157 | #include <stdlib.h> |
|
|
158 | #include <string.h> |
158 | #include <fcntl.h> |
159 | #include <fcntl.h> |
159 | #include <stddef.h> |
160 | #include <stddef.h> |
160 | |
161 | |
161 | #include <stdio.h> |
162 | #include <stdio.h> |
162 | |
163 | |
163 | #include <assert.h> |
164 | #include <assert.h> |
164 | #include <errno.h> |
165 | #include <errno.h> |
165 | #include <sys/types.h> |
166 | #include <sys/types.h> |
166 | #include <time.h> |
167 | #include <time.h> |
|
|
168 | #include <limits.h> |
167 | |
169 | |
168 | #include <signal.h> |
170 | #include <signal.h> |
169 | |
171 | |
170 | #ifdef EV_H |
172 | #ifdef EV_H |
171 | # include EV_H |
173 | # include EV_H |
… | |
… | |
182 | # define WIN32_LEAN_AND_MEAN |
184 | # define WIN32_LEAN_AND_MEAN |
183 | # include <windows.h> |
185 | # include <windows.h> |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
186 | # ifndef EV_SELECT_IS_WINSOCKET |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
187 | # define EV_SELECT_IS_WINSOCKET 1 |
186 | # endif |
188 | # endif |
|
|
189 | # undef EV_AVOID_STDIO |
187 | #endif |
190 | #endif |
188 | |
191 | |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
192 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
190 | |
193 | |
191 | /* try to deduce the maximum number of signals on this platform */ |
194 | /* try to deduce the maximum number of signals on this platform */ |
… | |
… | |
204 | #elif defined (MAXSIG) |
207 | #elif defined (MAXSIG) |
205 | # define EV_NSIG (MAXSIG+1) |
208 | # define EV_NSIG (MAXSIG+1) |
206 | #elif defined (MAX_SIG) |
209 | #elif defined (MAX_SIG) |
207 | # define EV_NSIG (MAX_SIG+1) |
210 | # define EV_NSIG (MAX_SIG+1) |
208 | #elif defined (SIGARRAYSIZE) |
211 | #elif defined (SIGARRAYSIZE) |
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
212 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
210 | #elif defined (_sys_nsig) |
213 | #elif defined (_sys_nsig) |
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
214 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
212 | #else |
215 | #else |
213 | # error "unable to find value for NSIG, please report" |
216 | # error "unable to find value for NSIG, please report" |
214 | /* to make it compile regardless, just remove the above line */ |
217 | /* to make it compile regardless, just remove the above line, */ |
|
|
218 | /* but consider reporting it, too! :) */ |
215 | # define EV_NSIG 65 |
219 | # define EV_NSIG 65 |
216 | #endif |
220 | #endif |
217 | |
221 | |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
222 | #ifndef EV_USE_CLOCK_SYSCALL |
219 | # if __linux && __GLIBC__ >= 2 |
223 | # if __linux && __GLIBC__ >= 2 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
224 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
221 | # else |
225 | # else |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
226 | # define EV_USE_CLOCK_SYSCALL 0 |
223 | # endif |
227 | # endif |
224 | #endif |
228 | #endif |
225 | |
229 | |
226 | #ifndef EV_USE_MONOTONIC |
230 | #ifndef EV_USE_MONOTONIC |
227 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
231 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
228 | # define EV_USE_MONOTONIC 1 |
232 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
229 | # else |
233 | # else |
230 | # define EV_USE_MONOTONIC 0 |
234 | # define EV_USE_MONOTONIC 0 |
231 | # endif |
235 | # endif |
232 | #endif |
236 | #endif |
233 | |
237 | |
… | |
… | |
235 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
239 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
236 | #endif |
240 | #endif |
237 | |
241 | |
238 | #ifndef EV_USE_NANOSLEEP |
242 | #ifndef EV_USE_NANOSLEEP |
239 | # if _POSIX_C_SOURCE >= 199309L |
243 | # if _POSIX_C_SOURCE >= 199309L |
240 | # define EV_USE_NANOSLEEP 1 |
244 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
241 | # else |
245 | # else |
242 | # define EV_USE_NANOSLEEP 0 |
246 | # define EV_USE_NANOSLEEP 0 |
243 | # endif |
247 | # endif |
244 | #endif |
248 | #endif |
245 | |
249 | |
246 | #ifndef EV_USE_SELECT |
250 | #ifndef EV_USE_SELECT |
247 | # define EV_USE_SELECT 1 |
251 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
248 | #endif |
252 | #endif |
249 | |
253 | |
250 | #ifndef EV_USE_POLL |
254 | #ifndef EV_USE_POLL |
251 | # ifdef _WIN32 |
255 | # ifdef _WIN32 |
252 | # define EV_USE_POLL 0 |
256 | # define EV_USE_POLL 0 |
253 | # else |
257 | # else |
254 | # define EV_USE_POLL 1 |
258 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
255 | # endif |
259 | # endif |
256 | #endif |
260 | #endif |
257 | |
261 | |
258 | #ifndef EV_USE_EPOLL |
262 | #ifndef EV_USE_EPOLL |
259 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
263 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
260 | # define EV_USE_EPOLL 1 |
264 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
261 | # else |
265 | # else |
262 | # define EV_USE_EPOLL 0 |
266 | # define EV_USE_EPOLL 0 |
263 | # endif |
267 | # endif |
264 | #endif |
268 | #endif |
265 | |
269 | |
… | |
… | |
271 | # define EV_USE_PORT 0 |
275 | # define EV_USE_PORT 0 |
272 | #endif |
276 | #endif |
273 | |
277 | |
274 | #ifndef EV_USE_INOTIFY |
278 | #ifndef EV_USE_INOTIFY |
275 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
279 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
276 | # define EV_USE_INOTIFY 1 |
280 | # define EV_USE_INOTIFY EV_FEATURE_OS |
277 | # else |
281 | # else |
278 | # define EV_USE_INOTIFY 0 |
282 | # define EV_USE_INOTIFY 0 |
279 | # endif |
283 | # endif |
280 | #endif |
284 | #endif |
281 | |
285 | |
282 | #ifndef EV_PID_HASHSIZE |
286 | #ifndef EV_PID_HASHSIZE |
283 | # if EV_MINIMAL |
287 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
284 | # define EV_PID_HASHSIZE 1 |
|
|
285 | # else |
|
|
286 | # define EV_PID_HASHSIZE 16 |
|
|
287 | # endif |
|
|
288 | #endif |
288 | #endif |
289 | |
289 | |
290 | #ifndef EV_INOTIFY_HASHSIZE |
290 | #ifndef EV_INOTIFY_HASHSIZE |
291 | # if EV_MINIMAL |
291 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
292 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
293 | # else |
|
|
294 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
295 | # endif |
|
|
296 | #endif |
292 | #endif |
297 | |
293 | |
298 | #ifndef EV_USE_EVENTFD |
294 | #ifndef EV_USE_EVENTFD |
299 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
295 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
300 | # define EV_USE_EVENTFD 1 |
296 | # define EV_USE_EVENTFD EV_FEATURE_OS |
301 | # else |
297 | # else |
302 | # define EV_USE_EVENTFD 0 |
298 | # define EV_USE_EVENTFD 0 |
303 | # endif |
299 | # endif |
304 | #endif |
300 | #endif |
305 | |
301 | |
306 | #ifndef EV_USE_SIGNALFD |
302 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
303 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
304 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
309 | # else |
305 | # else |
310 | # define EV_USE_SIGNALFD 0 |
306 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
307 | # endif |
312 | #endif |
308 | #endif |
313 | |
309 | |
… | |
… | |
316 | # define EV_USE_4HEAP 1 |
312 | # define EV_USE_4HEAP 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
313 | # define EV_HEAP_CACHE_AT 1 |
318 | #endif |
314 | #endif |
319 | |
315 | |
320 | #ifndef EV_VERIFY |
316 | #ifndef EV_VERIFY |
321 | # define EV_VERIFY !EV_MINIMAL |
317 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
322 | #endif |
318 | #endif |
323 | |
319 | |
324 | #ifndef EV_USE_4HEAP |
320 | #ifndef EV_USE_4HEAP |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
321 | # define EV_USE_4HEAP EV_FEATURE_DATA |
326 | #endif |
322 | #endif |
327 | |
323 | |
328 | #ifndef EV_HEAP_CACHE_AT |
324 | #ifndef EV_HEAP_CACHE_AT |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
325 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
330 | #endif |
326 | #endif |
331 | |
327 | |
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
328 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
333 | /* which makes programs even slower. might work on other unices, too. */ |
329 | /* which makes programs even slower. might work on other unices, too. */ |
334 | #if EV_USE_CLOCK_SYSCALL |
330 | #if EV_USE_CLOCK_SYSCALL |
… | |
… | |
343 | # endif |
339 | # endif |
344 | #endif |
340 | #endif |
345 | |
341 | |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
342 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
347 | |
343 | |
|
|
344 | #ifdef _AIX |
|
|
345 | /* AIX has a completely broken poll.h header */ |
|
|
346 | # undef EV_USE_POLL |
|
|
347 | # define EV_USE_POLL 0 |
|
|
348 | #endif |
|
|
349 | |
348 | #ifndef CLOCK_MONOTONIC |
350 | #ifndef CLOCK_MONOTONIC |
349 | # undef EV_USE_MONOTONIC |
351 | # undef EV_USE_MONOTONIC |
350 | # define EV_USE_MONOTONIC 0 |
352 | # define EV_USE_MONOTONIC 0 |
351 | #endif |
353 | #endif |
352 | |
354 | |
… | |
… | |
395 | # endif |
397 | # endif |
396 | # endif |
398 | # endif |
397 | # ifdef __cplusplus |
399 | # ifdef __cplusplus |
398 | extern "C" { |
400 | extern "C" { |
399 | # endif |
401 | # endif |
400 | int eventfd (unsigned int initval, int flags); |
402 | int (eventfd) (unsigned int initval, int flags); |
401 | # ifdef __cplusplus |
403 | # ifdef __cplusplus |
402 | } |
404 | } |
403 | # endif |
405 | # endif |
404 | #endif |
406 | #endif |
405 | |
407 | |
… | |
… | |
433 | |
435 | |
434 | |
436 | |
435 | /**/ |
437 | /**/ |
436 | |
438 | |
437 | #if EV_VERIFY >= 3 |
439 | #if EV_VERIFY >= 3 |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
440 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
439 | #else |
441 | #else |
440 | # define EV_FREQUENT_CHECK do { } while (0) |
442 | # define EV_FREQUENT_CHECK do { } while (0) |
441 | #endif |
443 | #endif |
442 | |
444 | |
443 | /* |
445 | /* |
… | |
… | |
466 | |
468 | |
467 | #define expect_false(expr) expect ((expr) != 0, 0) |
469 | #define expect_false(expr) expect ((expr) != 0, 0) |
468 | #define expect_true(expr) expect ((expr) != 0, 1) |
470 | #define expect_true(expr) expect ((expr) != 0, 1) |
469 | #define inline_size static inline |
471 | #define inline_size static inline |
470 | |
472 | |
471 | #if EV_MINIMAL |
473 | #if EV_FEATURE_CODE |
|
|
474 | # define inline_speed static inline |
|
|
475 | #else |
472 | # define inline_speed static noinline |
476 | # define inline_speed static noinline |
473 | #else |
|
|
474 | # define inline_speed static inline |
|
|
475 | #endif |
477 | #endif |
476 | |
478 | |
477 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
479 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
478 | |
480 | |
479 | #if EV_MINPRI == EV_MAXPRI |
481 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
504 | |
506 | |
505 | #ifndef EV_FD_TO_WIN32_HANDLE |
507 | #ifndef EV_FD_TO_WIN32_HANDLE |
506 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
508 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
507 | #endif |
509 | #endif |
508 | #ifndef EV_WIN32_HANDLE_TO_FD |
510 | #ifndef EV_WIN32_HANDLE_TO_FD |
509 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
511 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
510 | #endif |
512 | #endif |
511 | #ifndef EV_WIN32_CLOSE_FD |
513 | #ifndef EV_WIN32_CLOSE_FD |
512 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
514 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
513 | #endif |
515 | #endif |
514 | |
516 | |
515 | #ifdef _WIN32 |
517 | #ifdef _WIN32 |
516 | # include "ev_win32.c" |
518 | # include "ev_win32.c" |
517 | #endif |
519 | #endif |
518 | |
520 | |
519 | /*****************************************************************************/ |
521 | /*****************************************************************************/ |
|
|
522 | |
|
|
523 | #if EV_AVOID_STDIO |
|
|
524 | static void noinline |
|
|
525 | ev_printerr (const char *msg) |
|
|
526 | { |
|
|
527 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
528 | } |
|
|
529 | #endif |
520 | |
530 | |
521 | static void (*syserr_cb)(const char *msg); |
531 | static void (*syserr_cb)(const char *msg); |
522 | |
532 | |
523 | void |
533 | void |
524 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
534 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
… | |
… | |
534 | |
544 | |
535 | if (syserr_cb) |
545 | if (syserr_cb) |
536 | syserr_cb (msg); |
546 | syserr_cb (msg); |
537 | else |
547 | else |
538 | { |
548 | { |
|
|
549 | #if EV_AVOID_STDIO |
|
|
550 | const char *err = strerror (errno); |
|
|
551 | |
|
|
552 | ev_printerr (msg); |
|
|
553 | ev_printerr (": "); |
|
|
554 | ev_printerr (err); |
|
|
555 | ev_printerr ("\n"); |
|
|
556 | #else |
539 | perror (msg); |
557 | perror (msg); |
|
|
558 | #endif |
540 | abort (); |
559 | abort (); |
541 | } |
560 | } |
542 | } |
561 | } |
543 | |
562 | |
544 | static void * |
563 | static void * |
545 | ev_realloc_emul (void *ptr, long size) |
564 | ev_realloc_emul (void *ptr, long size) |
546 | { |
565 | { |
|
|
566 | #if __GLIBC__ |
|
|
567 | return realloc (ptr, size); |
|
|
568 | #else |
547 | /* some systems, notably openbsd and darwin, fail to properly |
569 | /* some systems, notably openbsd and darwin, fail to properly |
548 | * implement realloc (x, 0) (as required by both ansi c-98 and |
570 | * implement realloc (x, 0) (as required by both ansi c-89 and |
549 | * the single unix specification, so work around them here. |
571 | * the single unix specification, so work around them here. |
550 | */ |
572 | */ |
551 | |
573 | |
552 | if (size) |
574 | if (size) |
553 | return realloc (ptr, size); |
575 | return realloc (ptr, size); |
554 | |
576 | |
555 | free (ptr); |
577 | free (ptr); |
556 | return 0; |
578 | return 0; |
|
|
579 | #endif |
557 | } |
580 | } |
558 | |
581 | |
559 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
582 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
560 | |
583 | |
561 | void |
584 | void |
… | |
… | |
569 | { |
592 | { |
570 | ptr = alloc (ptr, size); |
593 | ptr = alloc (ptr, size); |
571 | |
594 | |
572 | if (!ptr && size) |
595 | if (!ptr && size) |
573 | { |
596 | { |
|
|
597 | #if EV_AVOID_STDIO |
|
|
598 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
|
|
599 | #else |
574 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
600 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
601 | #endif |
575 | abort (); |
602 | abort (); |
576 | } |
603 | } |
577 | |
604 | |
578 | return ptr; |
605 | return ptr; |
579 | } |
606 | } |
… | |
… | |
661 | |
688 | |
662 | static int ev_default_loop_ptr; |
689 | static int ev_default_loop_ptr; |
663 | |
690 | |
664 | #endif |
691 | #endif |
665 | |
692 | |
666 | #if EV_MINIMAL < 2 |
693 | #if EV_FEATURE_API |
667 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
694 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
668 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
695 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
669 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
696 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
670 | #else |
697 | #else |
671 | # define EV_RELEASE_CB (void)0 |
698 | # define EV_RELEASE_CB (void)0 |
… | |
… | |
856 | } |
883 | } |
857 | |
884 | |
858 | /*****************************************************************************/ |
885 | /*****************************************************************************/ |
859 | |
886 | |
860 | inline_speed void |
887 | inline_speed void |
861 | fd_event_nc (EV_P_ int fd, int revents) |
888 | fd_event_nocheck (EV_P_ int fd, int revents) |
862 | { |
889 | { |
863 | ANFD *anfd = anfds + fd; |
890 | ANFD *anfd = anfds + fd; |
864 | ev_io *w; |
891 | ev_io *w; |
865 | |
892 | |
866 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
893 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
878 | fd_event (EV_P_ int fd, int revents) |
905 | fd_event (EV_P_ int fd, int revents) |
879 | { |
906 | { |
880 | ANFD *anfd = anfds + fd; |
907 | ANFD *anfd = anfds + fd; |
881 | |
908 | |
882 | if (expect_true (!anfd->reify)) |
909 | if (expect_true (!anfd->reify)) |
883 | fd_event_nc (EV_A_ fd, revents); |
910 | fd_event_nocheck (EV_A_ fd, revents); |
884 | } |
911 | } |
885 | |
912 | |
886 | void |
913 | void |
887 | ev_feed_fd_event (EV_P_ int fd, int revents) |
914 | ev_feed_fd_event (EV_P_ int fd, int revents) |
888 | { |
915 | { |
889 | if (fd >= 0 && fd < anfdmax) |
916 | if (fd >= 0 && fd < anfdmax) |
890 | fd_event_nc (EV_A_ fd, revents); |
917 | fd_event_nocheck (EV_A_ fd, revents); |
891 | } |
918 | } |
892 | |
919 | |
893 | /* make sure the external fd watch events are in-sync */ |
920 | /* make sure the external fd watch events are in-sync */ |
894 | /* with the kernel/libev internal state */ |
921 | /* with the kernel/libev internal state */ |
895 | inline_size void |
922 | inline_size void |
… | |
… | |
958 | ev_io_stop (EV_A_ w); |
985 | ev_io_stop (EV_A_ w); |
959 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
986 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
960 | } |
987 | } |
961 | } |
988 | } |
962 | |
989 | |
963 | /* check whether the given fd is atcually valid, for error recovery */ |
990 | /* check whether the given fd is actually valid, for error recovery */ |
964 | inline_size int |
991 | inline_size int |
965 | fd_valid (int fd) |
992 | fd_valid (int fd) |
966 | { |
993 | { |
967 | #ifdef _WIN32 |
994 | #ifdef _WIN32 |
968 | return _get_osfhandle (fd) != -1; |
995 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
969 | #else |
996 | #else |
970 | return fcntl (fd, F_GETFD) != -1; |
997 | return fcntl (fd, F_GETFD) != -1; |
971 | #endif |
998 | #endif |
972 | } |
999 | } |
973 | |
1000 | |
… | |
… | |
1008 | { |
1035 | { |
1009 | anfds [fd].events = 0; |
1036 | anfds [fd].events = 0; |
1010 | anfds [fd].emask = 0; |
1037 | anfds [fd].emask = 0; |
1011 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1038 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
1012 | } |
1039 | } |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | /* used to prepare libev internal fd's */ |
|
|
1043 | /* this is not fork-safe */ |
|
|
1044 | inline_speed void |
|
|
1045 | fd_intern (int fd) |
|
|
1046 | { |
|
|
1047 | #ifdef _WIN32 |
|
|
1048 | unsigned long arg = 1; |
|
|
1049 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
|
|
1050 | #else |
|
|
1051 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1052 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1053 | #endif |
1013 | } |
1054 | } |
1014 | |
1055 | |
1015 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
1016 | |
1057 | |
1017 | /* |
1058 | /* |
… | |
… | |
1171 | |
1212 | |
1172 | static ANSIG signals [EV_NSIG - 1]; |
1213 | static ANSIG signals [EV_NSIG - 1]; |
1173 | |
1214 | |
1174 | /*****************************************************************************/ |
1215 | /*****************************************************************************/ |
1175 | |
1216 | |
1176 | /* used to prepare libev internal fd's */ |
1217 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1177 | /* this is not fork-safe */ |
|
|
1178 | inline_speed void |
|
|
1179 | fd_intern (int fd) |
|
|
1180 | { |
|
|
1181 | #ifdef _WIN32 |
|
|
1182 | unsigned long arg = 1; |
|
|
1183 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
1184 | #else |
|
|
1185 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
1186 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
1187 | #endif |
|
|
1188 | } |
|
|
1189 | |
1218 | |
1190 | static void noinline |
1219 | static void noinline |
1191 | evpipe_init (EV_P) |
1220 | evpipe_init (EV_P) |
1192 | { |
1221 | { |
1193 | if (!ev_is_active (&pipe_w)) |
1222 | if (!ev_is_active (&pipe_w)) |
1194 | { |
1223 | { |
1195 | #if EV_USE_EVENTFD |
1224 | # if EV_USE_EVENTFD |
1196 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1225 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
1197 | if (evfd < 0 && errno == EINVAL) |
1226 | if (evfd < 0 && errno == EINVAL) |
1198 | evfd = eventfd (0, 0); |
1227 | evfd = eventfd (0, 0); |
1199 | |
1228 | |
1200 | if (evfd >= 0) |
1229 | if (evfd >= 0) |
… | |
… | |
1202 | evpipe [0] = -1; |
1231 | evpipe [0] = -1; |
1203 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1232 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1204 | ev_io_set (&pipe_w, evfd, EV_READ); |
1233 | ev_io_set (&pipe_w, evfd, EV_READ); |
1205 | } |
1234 | } |
1206 | else |
1235 | else |
1207 | #endif |
1236 | # endif |
1208 | { |
1237 | { |
1209 | while (pipe (evpipe)) |
1238 | while (pipe (evpipe)) |
1210 | ev_syserr ("(libev) error creating signal/async pipe"); |
1239 | ev_syserr ("(libev) error creating signal/async pipe"); |
1211 | |
1240 | |
1212 | fd_intern (evpipe [0]); |
1241 | fd_intern (evpipe [0]); |
… | |
… | |
1223 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1252 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1224 | { |
1253 | { |
1225 | if (!*flag) |
1254 | if (!*flag) |
1226 | { |
1255 | { |
1227 | int old_errno = errno; /* save errno because write might clobber it */ |
1256 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1257 | char dummy; |
1228 | |
1258 | |
1229 | *flag = 1; |
1259 | *flag = 1; |
1230 | |
1260 | |
1231 | #if EV_USE_EVENTFD |
1261 | #if EV_USE_EVENTFD |
1232 | if (evfd >= 0) |
1262 | if (evfd >= 0) |
… | |
… | |
1234 | uint64_t counter = 1; |
1264 | uint64_t counter = 1; |
1235 | write (evfd, &counter, sizeof (uint64_t)); |
1265 | write (evfd, &counter, sizeof (uint64_t)); |
1236 | } |
1266 | } |
1237 | else |
1267 | else |
1238 | #endif |
1268 | #endif |
1239 | write (evpipe [1], &old_errno, 1); |
1269 | write (evpipe [1], &dummy, 1); |
1240 | |
1270 | |
1241 | errno = old_errno; |
1271 | errno = old_errno; |
1242 | } |
1272 | } |
1243 | } |
1273 | } |
1244 | |
1274 | |
… | |
… | |
1293 | { |
1323 | { |
1294 | #if EV_MULTIPLICITY |
1324 | #if EV_MULTIPLICITY |
1295 | EV_P = signals [signum - 1].loop; |
1325 | EV_P = signals [signum - 1].loop; |
1296 | #endif |
1326 | #endif |
1297 | |
1327 | |
1298 | #if _WIN32 |
1328 | #ifdef _WIN32 |
1299 | signal (signum, ev_sighandler); |
1329 | signal (signum, ev_sighandler); |
1300 | #endif |
1330 | #endif |
1301 | |
1331 | |
1302 | signals [signum - 1].pending = 1; |
1332 | signals [signum - 1].pending = 1; |
1303 | evpipe_write (EV_A_ &sig_pending); |
1333 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1345 | break; |
1375 | break; |
1346 | } |
1376 | } |
1347 | } |
1377 | } |
1348 | #endif |
1378 | #endif |
1349 | |
1379 | |
|
|
1380 | #endif |
|
|
1381 | |
1350 | /*****************************************************************************/ |
1382 | /*****************************************************************************/ |
1351 | |
1383 | |
|
|
1384 | #if EV_CHILD_ENABLE |
1352 | static WL childs [EV_PID_HASHSIZE]; |
1385 | static WL childs [EV_PID_HASHSIZE]; |
1353 | |
|
|
1354 | #ifndef _WIN32 |
|
|
1355 | |
1386 | |
1356 | static ev_signal childev; |
1387 | static ev_signal childev; |
1357 | |
1388 | |
1358 | #ifndef WIFCONTINUED |
1389 | #ifndef WIFCONTINUED |
1359 | # define WIFCONTINUED(status) 0 |
1390 | # define WIFCONTINUED(status) 0 |
… | |
… | |
1364 | child_reap (EV_P_ int chain, int pid, int status) |
1395 | child_reap (EV_P_ int chain, int pid, int status) |
1365 | { |
1396 | { |
1366 | ev_child *w; |
1397 | ev_child *w; |
1367 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1398 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1368 | |
1399 | |
1369 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1400 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1370 | { |
1401 | { |
1371 | if ((w->pid == pid || !w->pid) |
1402 | if ((w->pid == pid || !w->pid) |
1372 | && (!traced || (w->flags & 1))) |
1403 | && (!traced || (w->flags & 1))) |
1373 | { |
1404 | { |
1374 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
1405 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
… | |
… | |
1399 | /* make sure we are called again until all children have been reaped */ |
1430 | /* make sure we are called again until all children have been reaped */ |
1400 | /* we need to do it this way so that the callback gets called before we continue */ |
1431 | /* we need to do it this way so that the callback gets called before we continue */ |
1401 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1432 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1402 | |
1433 | |
1403 | child_reap (EV_A_ pid, pid, status); |
1434 | child_reap (EV_A_ pid, pid, status); |
1404 | if (EV_PID_HASHSIZE > 1) |
1435 | if ((EV_PID_HASHSIZE) > 1) |
1405 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1436 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1406 | } |
1437 | } |
1407 | |
1438 | |
1408 | #endif |
1439 | #endif |
1409 | |
1440 | |
… | |
… | |
1476 | #ifdef __APPLE__ |
1507 | #ifdef __APPLE__ |
1477 | /* only select works correctly on that "unix-certified" platform */ |
1508 | /* only select works correctly on that "unix-certified" platform */ |
1478 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1509 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1479 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1510 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1480 | #endif |
1511 | #endif |
|
|
1512 | #ifdef __FreeBSD__ |
|
|
1513 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1514 | #endif |
1481 | |
1515 | |
1482 | return flags; |
1516 | return flags; |
1483 | } |
1517 | } |
1484 | |
1518 | |
1485 | unsigned int |
1519 | unsigned int |
… | |
… | |
1498 | ev_backend (EV_P) |
1532 | ev_backend (EV_P) |
1499 | { |
1533 | { |
1500 | return backend; |
1534 | return backend; |
1501 | } |
1535 | } |
1502 | |
1536 | |
1503 | #if EV_MINIMAL < 2 |
1537 | #if EV_FEATURE_API |
1504 | unsigned int |
1538 | unsigned int |
1505 | ev_loop_count (EV_P) |
1539 | ev_iteration (EV_P) |
1506 | { |
1540 | { |
1507 | return loop_count; |
1541 | return loop_count; |
1508 | } |
1542 | } |
1509 | |
1543 | |
1510 | unsigned int |
1544 | unsigned int |
1511 | ev_loop_depth (EV_P) |
1545 | ev_depth (EV_P) |
1512 | { |
1546 | { |
1513 | return loop_depth; |
1547 | return loop_depth; |
1514 | } |
1548 | } |
1515 | |
1549 | |
1516 | void |
1550 | void |
… | |
… | |
1588 | |
1622 | |
1589 | ev_rt_now = ev_time (); |
1623 | ev_rt_now = ev_time (); |
1590 | mn_now = get_clock (); |
1624 | mn_now = get_clock (); |
1591 | now_floor = mn_now; |
1625 | now_floor = mn_now; |
1592 | rtmn_diff = ev_rt_now - mn_now; |
1626 | rtmn_diff = ev_rt_now - mn_now; |
1593 | #if EV_MINIMAL < 2 |
1627 | #if EV_FEATURE_API |
1594 | invoke_cb = ev_invoke_pending; |
1628 | invoke_cb = ev_invoke_pending; |
1595 | #endif |
1629 | #endif |
1596 | |
1630 | |
1597 | io_blocktime = 0.; |
1631 | io_blocktime = 0.; |
1598 | timeout_blocktime = 0.; |
1632 | timeout_blocktime = 0.; |
… | |
… | |
1604 | #endif |
1638 | #endif |
1605 | #if EV_USE_INOTIFY |
1639 | #if EV_USE_INOTIFY |
1606 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1640 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1607 | #endif |
1641 | #endif |
1608 | #if EV_USE_SIGNALFD |
1642 | #if EV_USE_SIGNALFD |
1609 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1643 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1610 | #endif |
1644 | #endif |
1611 | |
1645 | |
1612 | if (!(flags & 0x0000ffffU)) |
1646 | if (!(flags & 0x0000ffffU)) |
1613 | flags |= ev_recommended_backends (); |
1647 | flags |= ev_recommended_backends (); |
1614 | |
1648 | |
… | |
… | |
1628 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1662 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1629 | #endif |
1663 | #endif |
1630 | |
1664 | |
1631 | ev_prepare_init (&pending_w, pendingcb); |
1665 | ev_prepare_init (&pending_w, pendingcb); |
1632 | |
1666 | |
|
|
1667 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1633 | ev_init (&pipe_w, pipecb); |
1668 | ev_init (&pipe_w, pipecb); |
1634 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1669 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
1670 | #endif |
1635 | } |
1671 | } |
1636 | } |
1672 | } |
1637 | |
1673 | |
1638 | /* free up a loop structure */ |
1674 | /* free up a loop structure */ |
1639 | static void noinline |
1675 | static void noinline |
… | |
… | |
1757 | { |
1793 | { |
1758 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1794 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1759 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1795 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1760 | } |
1796 | } |
1761 | |
1797 | |
|
|
1798 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1762 | evpipe_init (EV_A); |
1799 | evpipe_init (EV_A); |
1763 | /* now iterate over everything, in case we missed something */ |
1800 | /* now iterate over everything, in case we missed something */ |
1764 | pipecb (EV_A_ &pipe_w, EV_READ); |
1801 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
1802 | #endif |
1765 | } |
1803 | } |
1766 | |
1804 | |
1767 | postfork = 0; |
1805 | postfork = 0; |
1768 | } |
1806 | } |
1769 | |
1807 | |
… | |
… | |
1831 | verify_watcher (EV_A_ ws [cnt]); |
1869 | verify_watcher (EV_A_ ws [cnt]); |
1832 | } |
1870 | } |
1833 | } |
1871 | } |
1834 | #endif |
1872 | #endif |
1835 | |
1873 | |
1836 | #if EV_MINIMAL < 2 |
1874 | #if EV_FEATURE_API |
1837 | void |
1875 | void |
1838 | ev_loop_verify (EV_P) |
1876 | ev_verify (EV_P) |
1839 | { |
1877 | { |
1840 | #if EV_VERIFY |
1878 | #if EV_VERIFY |
1841 | int i; |
1879 | int i; |
1842 | WL w; |
1880 | WL w; |
1843 | |
1881 | |
… | |
… | |
1882 | #if EV_ASYNC_ENABLE |
1920 | #if EV_ASYNC_ENABLE |
1883 | assert (asyncmax >= asynccnt); |
1921 | assert (asyncmax >= asynccnt); |
1884 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1922 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1885 | #endif |
1923 | #endif |
1886 | |
1924 | |
|
|
1925 | #if EV_PREPARE_ENABLE |
1887 | assert (preparemax >= preparecnt); |
1926 | assert (preparemax >= preparecnt); |
1888 | array_verify (EV_A_ (W *)prepares, preparecnt); |
1927 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1928 | #endif |
1889 | |
1929 | |
|
|
1930 | #if EV_CHECK_ENABLE |
1890 | assert (checkmax >= checkcnt); |
1931 | assert (checkmax >= checkcnt); |
1891 | array_verify (EV_A_ (W *)checks, checkcnt); |
1932 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1933 | #endif |
1892 | |
1934 | |
1893 | # if 0 |
1935 | # if 0 |
|
|
1936 | #if EV_CHILD_ENABLE |
1894 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1937 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
1895 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1938 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
1939 | #endif |
1896 | # endif |
1940 | # endif |
1897 | #endif |
1941 | #endif |
1898 | } |
1942 | } |
1899 | #endif |
1943 | #endif |
1900 | |
1944 | |
… | |
… | |
1916 | |
1960 | |
1917 | loop_init (EV_A_ flags); |
1961 | loop_init (EV_A_ flags); |
1918 | |
1962 | |
1919 | if (ev_backend (EV_A)) |
1963 | if (ev_backend (EV_A)) |
1920 | { |
1964 | { |
1921 | #ifndef _WIN32 |
1965 | #if EV_CHILD_ENABLE |
1922 | ev_signal_init (&childev, childcb, SIGCHLD); |
1966 | ev_signal_init (&childev, childcb, SIGCHLD); |
1923 | ev_set_priority (&childev, EV_MAXPRI); |
1967 | ev_set_priority (&childev, EV_MAXPRI); |
1924 | ev_signal_start (EV_A_ &childev); |
1968 | ev_signal_start (EV_A_ &childev); |
1925 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1969 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1926 | #endif |
1970 | #endif |
… | |
… | |
1939 | EV_P = ev_default_loop_ptr; |
1983 | EV_P = ev_default_loop_ptr; |
1940 | #endif |
1984 | #endif |
1941 | |
1985 | |
1942 | ev_default_loop_ptr = 0; |
1986 | ev_default_loop_ptr = 0; |
1943 | |
1987 | |
1944 | #ifndef _WIN32 |
1988 | #if EV_CHILD_ENABLE |
1945 | ev_ref (EV_A); /* child watcher */ |
1989 | ev_ref (EV_A); /* child watcher */ |
1946 | ev_signal_stop (EV_A_ &childev); |
1990 | ev_signal_stop (EV_A_ &childev); |
1947 | #endif |
1991 | #endif |
1948 | |
1992 | |
1949 | loop_destroy (EV_A); |
1993 | loop_destroy (EV_A); |
… | |
… | |
2055 | EV_FREQUENT_CHECK; |
2099 | EV_FREQUENT_CHECK; |
2056 | feed_reverse (EV_A_ (W)w); |
2100 | feed_reverse (EV_A_ (W)w); |
2057 | } |
2101 | } |
2058 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2102 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2059 | |
2103 | |
2060 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2104 | feed_reverse_done (EV_A_ EV_TIMER); |
2061 | } |
2105 | } |
2062 | } |
2106 | } |
2063 | |
2107 | |
2064 | #if EV_PERIODIC_ENABLE |
2108 | #if EV_PERIODIC_ENABLE |
2065 | /* make periodics pending */ |
2109 | /* make periodics pending */ |
… | |
… | |
2156 | ANHE_at_cache (*he); |
2200 | ANHE_at_cache (*he); |
2157 | } |
2201 | } |
2158 | } |
2202 | } |
2159 | |
2203 | |
2160 | /* fetch new monotonic and realtime times from the kernel */ |
2204 | /* fetch new monotonic and realtime times from the kernel */ |
2161 | /* also detetc if there was a timejump, and act accordingly */ |
2205 | /* also detect if there was a timejump, and act accordingly */ |
2162 | inline_speed void |
2206 | inline_speed void |
2163 | time_update (EV_P_ ev_tstamp max_block) |
2207 | time_update (EV_P_ ev_tstamp max_block) |
2164 | { |
2208 | { |
2165 | #if EV_USE_MONOTONIC |
2209 | #if EV_USE_MONOTONIC |
2166 | if (expect_true (have_monotonic)) |
2210 | if (expect_true (have_monotonic)) |
… | |
… | |
2226 | } |
2270 | } |
2227 | |
2271 | |
2228 | void |
2272 | void |
2229 | ev_loop (EV_P_ int flags) |
2273 | ev_loop (EV_P_ int flags) |
2230 | { |
2274 | { |
2231 | #if EV_MINIMAL < 2 |
2275 | #if EV_FEATURE_API |
2232 | ++loop_depth; |
2276 | ++loop_depth; |
2233 | #endif |
2277 | #endif |
2234 | |
2278 | |
2235 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2279 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2236 | |
2280 | |
… | |
… | |
2239 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2283 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2240 | |
2284 | |
2241 | do |
2285 | do |
2242 | { |
2286 | { |
2243 | #if EV_VERIFY >= 2 |
2287 | #if EV_VERIFY >= 2 |
2244 | ev_loop_verify (EV_A); |
2288 | ev_verify (EV_A); |
2245 | #endif |
2289 | #endif |
2246 | |
2290 | |
2247 | #ifndef _WIN32 |
2291 | #ifndef _WIN32 |
2248 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2292 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2249 | if (expect_false (getpid () != curpid)) |
2293 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2261 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2305 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2262 | EV_INVOKE_PENDING; |
2306 | EV_INVOKE_PENDING; |
2263 | } |
2307 | } |
2264 | #endif |
2308 | #endif |
2265 | |
2309 | |
|
|
2310 | #if EV_PREPARE_ENABLE |
2266 | /* queue prepare watchers (and execute them) */ |
2311 | /* queue prepare watchers (and execute them) */ |
2267 | if (expect_false (preparecnt)) |
2312 | if (expect_false (preparecnt)) |
2268 | { |
2313 | { |
2269 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2314 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2270 | EV_INVOKE_PENDING; |
2315 | EV_INVOKE_PENDING; |
2271 | } |
2316 | } |
|
|
2317 | #endif |
2272 | |
2318 | |
2273 | if (expect_false (loop_done)) |
2319 | if (expect_false (loop_done)) |
2274 | break; |
2320 | break; |
2275 | |
2321 | |
2276 | /* we might have forked, so reify kernel state if necessary */ |
2322 | /* we might have forked, so reify kernel state if necessary */ |
… | |
… | |
2327 | waittime -= sleeptime; |
2373 | waittime -= sleeptime; |
2328 | } |
2374 | } |
2329 | } |
2375 | } |
2330 | } |
2376 | } |
2331 | |
2377 | |
2332 | #if EV_MINIMAL < 2 |
2378 | #if EV_FEATURE_API |
2333 | ++loop_count; |
2379 | ++loop_count; |
2334 | #endif |
2380 | #endif |
2335 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2381 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2336 | backend_poll (EV_A_ waittime); |
2382 | backend_poll (EV_A_ waittime); |
2337 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2383 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
… | |
… | |
2349 | #if EV_IDLE_ENABLE |
2395 | #if EV_IDLE_ENABLE |
2350 | /* queue idle watchers unless other events are pending */ |
2396 | /* queue idle watchers unless other events are pending */ |
2351 | idle_reify (EV_A); |
2397 | idle_reify (EV_A); |
2352 | #endif |
2398 | #endif |
2353 | |
2399 | |
|
|
2400 | #if EV_CHECK_ENABLE |
2354 | /* queue check watchers, to be executed first */ |
2401 | /* queue check watchers, to be executed first */ |
2355 | if (expect_false (checkcnt)) |
2402 | if (expect_false (checkcnt)) |
2356 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2403 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
2404 | #endif |
2357 | |
2405 | |
2358 | EV_INVOKE_PENDING; |
2406 | EV_INVOKE_PENDING; |
2359 | } |
2407 | } |
2360 | while (expect_true ( |
2408 | while (expect_true ( |
2361 | activecnt |
2409 | activecnt |
… | |
… | |
2364 | )); |
2412 | )); |
2365 | |
2413 | |
2366 | if (loop_done == EVUNLOOP_ONE) |
2414 | if (loop_done == EVUNLOOP_ONE) |
2367 | loop_done = EVUNLOOP_CANCEL; |
2415 | loop_done = EVUNLOOP_CANCEL; |
2368 | |
2416 | |
2369 | #if EV_MINIMAL < 2 |
2417 | #if EV_FEATURE_API |
2370 | --loop_depth; |
2418 | --loop_depth; |
2371 | #endif |
2419 | #endif |
2372 | } |
2420 | } |
2373 | |
2421 | |
2374 | void |
2422 | void |
… | |
… | |
2500 | |
2548 | |
2501 | if (expect_false (ev_is_active (w))) |
2549 | if (expect_false (ev_is_active (w))) |
2502 | return; |
2550 | return; |
2503 | |
2551 | |
2504 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2552 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2505 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2553 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2506 | |
2554 | |
2507 | EV_FREQUENT_CHECK; |
2555 | EV_FREQUENT_CHECK; |
2508 | |
2556 | |
2509 | ev_start (EV_A_ (W)w, 1); |
2557 | ev_start (EV_A_ (W)w, 1); |
2510 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2558 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
… | |
… | |
2580 | timers [active] = timers [timercnt + HEAP0]; |
2628 | timers [active] = timers [timercnt + HEAP0]; |
2581 | adjustheap (timers, timercnt, active); |
2629 | adjustheap (timers, timercnt, active); |
2582 | } |
2630 | } |
2583 | } |
2631 | } |
2584 | |
2632 | |
2585 | EV_FREQUENT_CHECK; |
|
|
2586 | |
|
|
2587 | ev_at (w) -= mn_now; |
2633 | ev_at (w) -= mn_now; |
2588 | |
2634 | |
2589 | ev_stop (EV_A_ (W)w); |
2635 | ev_stop (EV_A_ (W)w); |
|
|
2636 | |
|
|
2637 | EV_FREQUENT_CHECK; |
2590 | } |
2638 | } |
2591 | |
2639 | |
2592 | void noinline |
2640 | void noinline |
2593 | ev_timer_again (EV_P_ ev_timer *w) |
2641 | ev_timer_again (EV_P_ ev_timer *w) |
2594 | { |
2642 | { |
… | |
… | |
2673 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2721 | periodics [active] = periodics [periodiccnt + HEAP0]; |
2674 | adjustheap (periodics, periodiccnt, active); |
2722 | adjustheap (periodics, periodiccnt, active); |
2675 | } |
2723 | } |
2676 | } |
2724 | } |
2677 | |
2725 | |
2678 | EV_FREQUENT_CHECK; |
|
|
2679 | |
|
|
2680 | ev_stop (EV_A_ (W)w); |
2726 | ev_stop (EV_A_ (W)w); |
|
|
2727 | |
|
|
2728 | EV_FREQUENT_CHECK; |
2681 | } |
2729 | } |
2682 | |
2730 | |
2683 | void noinline |
2731 | void noinline |
2684 | ev_periodic_again (EV_P_ ev_periodic *w) |
2732 | ev_periodic_again (EV_P_ ev_periodic *w) |
2685 | { |
2733 | { |
… | |
… | |
2690 | #endif |
2738 | #endif |
2691 | |
2739 | |
2692 | #ifndef SA_RESTART |
2740 | #ifndef SA_RESTART |
2693 | # define SA_RESTART 0 |
2741 | # define SA_RESTART 0 |
2694 | #endif |
2742 | #endif |
|
|
2743 | |
|
|
2744 | #if EV_SIGNAL_ENABLE |
2695 | |
2745 | |
2696 | void noinline |
2746 | void noinline |
2697 | ev_signal_start (EV_P_ ev_signal *w) |
2747 | ev_signal_start (EV_P_ ev_signal *w) |
2698 | { |
2748 | { |
2699 | if (expect_false (ev_is_active (w))) |
2749 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2746 | if (!((WL)w)->next) |
2796 | if (!((WL)w)->next) |
2747 | # if EV_USE_SIGNALFD |
2797 | # if EV_USE_SIGNALFD |
2748 | if (sigfd < 0) /*TODO*/ |
2798 | if (sigfd < 0) /*TODO*/ |
2749 | # endif |
2799 | # endif |
2750 | { |
2800 | { |
2751 | # if _WIN32 |
2801 | # ifdef _WIN32 |
2752 | evpipe_init (EV_A); |
2802 | evpipe_init (EV_A); |
2753 | |
2803 | |
2754 | signal (w->signum, ev_sighandler); |
2804 | signal (w->signum, ev_sighandler); |
2755 | # else |
2805 | # else |
2756 | struct sigaction sa; |
2806 | struct sigaction sa; |
… | |
… | |
2789 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2839 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2790 | #endif |
2840 | #endif |
2791 | #if EV_USE_SIGNALFD |
2841 | #if EV_USE_SIGNALFD |
2792 | if (sigfd >= 0) |
2842 | if (sigfd >= 0) |
2793 | { |
2843 | { |
2794 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2844 | sigset_t ss; |
|
|
2845 | |
|
|
2846 | sigemptyset (&ss); |
|
|
2847 | sigaddset (&ss, w->signum); |
2795 | sigdelset (&sigfd_set, w->signum); |
2848 | sigdelset (&sigfd_set, w->signum); |
|
|
2849 | |
2796 | signalfd (sigfd, &sigfd_set, 0); |
2850 | signalfd (sigfd, &sigfd_set, 0); |
2797 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2851 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2798 | /*TODO: maybe unblock signal? */ |
|
|
2799 | } |
2852 | } |
2800 | else |
2853 | else |
2801 | #endif |
2854 | #endif |
2802 | signal (w->signum, SIG_DFL); |
2855 | signal (w->signum, SIG_DFL); |
2803 | } |
2856 | } |
2804 | |
2857 | |
2805 | EV_FREQUENT_CHECK; |
2858 | EV_FREQUENT_CHECK; |
2806 | } |
2859 | } |
2807 | |
2860 | |
|
|
2861 | #endif |
|
|
2862 | |
|
|
2863 | #if EV_CHILD_ENABLE |
|
|
2864 | |
2808 | void |
2865 | void |
2809 | ev_child_start (EV_P_ ev_child *w) |
2866 | ev_child_start (EV_P_ ev_child *w) |
2810 | { |
2867 | { |
2811 | #if EV_MULTIPLICITY |
2868 | #if EV_MULTIPLICITY |
2812 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2869 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
… | |
… | |
2815 | return; |
2872 | return; |
2816 | |
2873 | |
2817 | EV_FREQUENT_CHECK; |
2874 | EV_FREQUENT_CHECK; |
2818 | |
2875 | |
2819 | ev_start (EV_A_ (W)w, 1); |
2876 | ev_start (EV_A_ (W)w, 1); |
2820 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2877 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2821 | |
2878 | |
2822 | EV_FREQUENT_CHECK; |
2879 | EV_FREQUENT_CHECK; |
2823 | } |
2880 | } |
2824 | |
2881 | |
2825 | void |
2882 | void |
… | |
… | |
2829 | if (expect_false (!ev_is_active (w))) |
2886 | if (expect_false (!ev_is_active (w))) |
2830 | return; |
2887 | return; |
2831 | |
2888 | |
2832 | EV_FREQUENT_CHECK; |
2889 | EV_FREQUENT_CHECK; |
2833 | |
2890 | |
2834 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2891 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
2835 | ev_stop (EV_A_ (W)w); |
2892 | ev_stop (EV_A_ (W)w); |
2836 | |
2893 | |
2837 | EV_FREQUENT_CHECK; |
2894 | EV_FREQUENT_CHECK; |
2838 | } |
2895 | } |
|
|
2896 | |
|
|
2897 | #endif |
2839 | |
2898 | |
2840 | #if EV_STAT_ENABLE |
2899 | #if EV_STAT_ENABLE |
2841 | |
2900 | |
2842 | # ifdef _WIN32 |
2901 | # ifdef _WIN32 |
2843 | # undef lstat |
2902 | # undef lstat |
… | |
… | |
2849 | #define MIN_STAT_INTERVAL 0.1074891 |
2908 | #define MIN_STAT_INTERVAL 0.1074891 |
2850 | |
2909 | |
2851 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2910 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2852 | |
2911 | |
2853 | #if EV_USE_INOTIFY |
2912 | #if EV_USE_INOTIFY |
2854 | # define EV_INOTIFY_BUFSIZE 8192 |
2913 | |
|
|
2914 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
2915 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
2855 | |
2916 | |
2856 | static void noinline |
2917 | static void noinline |
2857 | infy_add (EV_P_ ev_stat *w) |
2918 | infy_add (EV_P_ ev_stat *w) |
2858 | { |
2919 | { |
2859 | 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); |
2920 | 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); |
2860 | |
2921 | |
2861 | if (w->wd < 0) |
2922 | if (w->wd >= 0) |
|
|
2923 | { |
|
|
2924 | struct statfs sfs; |
|
|
2925 | |
|
|
2926 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2927 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2928 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2929 | |
|
|
2930 | if (!fs_2625) |
|
|
2931 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2932 | else if (!statfs (w->path, &sfs) |
|
|
2933 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2934 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2935 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2936 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2937 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2938 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2939 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2940 | else |
|
|
2941 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2862 | { |
2942 | } |
|
|
2943 | else |
|
|
2944 | { |
|
|
2945 | /* can't use inotify, continue to stat */ |
2863 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2946 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2864 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2865 | |
2947 | |
2866 | /* monitor some parent directory for speedup hints */ |
2948 | /* if path is not there, monitor some parent directory for speedup hints */ |
2867 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2949 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2868 | /* but an efficiency issue only */ |
2950 | /* but an efficiency issue only */ |
2869 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2951 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2870 | { |
2952 | { |
2871 | char path [4096]; |
2953 | char path [4096]; |
… | |
… | |
2887 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2969 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2888 | } |
2970 | } |
2889 | } |
2971 | } |
2890 | |
2972 | |
2891 | if (w->wd >= 0) |
2973 | if (w->wd >= 0) |
2892 | { |
|
|
2893 | struct statfs sfs; |
|
|
2894 | |
|
|
2895 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2974 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2896 | |
2975 | |
2897 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2976 | /* now re-arm timer, if required */ |
2898 | /* unless the filesystem is known to be local, we therefore still poll */ |
2977 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2899 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2900 | |
|
|
2901 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2902 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2903 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2904 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2905 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2906 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2907 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2908 | return; |
|
|
2909 | |
|
|
2910 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2911 | ev_timer_again (EV_A_ &w->timer); |
2978 | ev_timer_again (EV_A_ &w->timer); |
2912 | } |
2979 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2913 | } |
2980 | } |
2914 | |
2981 | |
2915 | static void noinline |
2982 | static void noinline |
2916 | infy_del (EV_P_ ev_stat *w) |
2983 | infy_del (EV_P_ ev_stat *w) |
2917 | { |
2984 | { |
… | |
… | |
2920 | |
2987 | |
2921 | if (wd < 0) |
2988 | if (wd < 0) |
2922 | return; |
2989 | return; |
2923 | |
2990 | |
2924 | w->wd = -2; |
2991 | w->wd = -2; |
2925 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
2992 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
2926 | wlist_del (&fs_hash [slot].head, (WL)w); |
2993 | wlist_del (&fs_hash [slot].head, (WL)w); |
2927 | |
2994 | |
2928 | /* remove this watcher, if others are watching it, they will rearm */ |
2995 | /* remove this watcher, if others are watching it, they will rearm */ |
2929 | inotify_rm_watch (fs_fd, wd); |
2996 | inotify_rm_watch (fs_fd, wd); |
2930 | } |
2997 | } |
… | |
… | |
2932 | static void noinline |
2999 | static void noinline |
2933 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3000 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2934 | { |
3001 | { |
2935 | if (slot < 0) |
3002 | if (slot < 0) |
2936 | /* overflow, need to check for all hash slots */ |
3003 | /* overflow, need to check for all hash slots */ |
2937 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3004 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
2938 | infy_wd (EV_A_ slot, wd, ev); |
3005 | infy_wd (EV_A_ slot, wd, ev); |
2939 | else |
3006 | else |
2940 | { |
3007 | { |
2941 | WL w_; |
3008 | WL w_; |
2942 | |
3009 | |
2943 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3010 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
2944 | { |
3011 | { |
2945 | ev_stat *w = (ev_stat *)w_; |
3012 | ev_stat *w = (ev_stat *)w_; |
2946 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3013 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
2947 | |
3014 | |
2948 | if (w->wd == wd || wd == -1) |
3015 | if (w->wd == wd || wd == -1) |
2949 | { |
3016 | { |
2950 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3017 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2951 | { |
3018 | { |
2952 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3019 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
2953 | w->wd = -1; |
3020 | w->wd = -1; |
2954 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3021 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2955 | } |
3022 | } |
2956 | |
3023 | |
2957 | stat_timer_cb (EV_A_ &w->timer, 0); |
3024 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2962 | |
3029 | |
2963 | static void |
3030 | static void |
2964 | infy_cb (EV_P_ ev_io *w, int revents) |
3031 | infy_cb (EV_P_ ev_io *w, int revents) |
2965 | { |
3032 | { |
2966 | char buf [EV_INOTIFY_BUFSIZE]; |
3033 | char buf [EV_INOTIFY_BUFSIZE]; |
2967 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2968 | int ofs; |
3034 | int ofs; |
2969 | int len = read (fs_fd, buf, sizeof (buf)); |
3035 | int len = read (fs_fd, buf, sizeof (buf)); |
2970 | |
3036 | |
2971 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3037 | for (ofs = 0; ofs < len; ) |
|
|
3038 | { |
|
|
3039 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
2972 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3040 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3041 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3042 | } |
|
|
3043 | } |
|
|
3044 | |
|
|
3045 | inline_size unsigned int |
|
|
3046 | ev_linux_version (void) |
|
|
3047 | { |
|
|
3048 | struct utsname buf; |
|
|
3049 | unsigned int v; |
|
|
3050 | int i; |
|
|
3051 | char *p = buf.release; |
|
|
3052 | |
|
|
3053 | if (uname (&buf)) |
|
|
3054 | return 0; |
|
|
3055 | |
|
|
3056 | for (i = 3+1; --i; ) |
|
|
3057 | { |
|
|
3058 | unsigned int c = 0; |
|
|
3059 | |
|
|
3060 | for (;;) |
|
|
3061 | { |
|
|
3062 | if (*p >= '0' && *p <= '9') |
|
|
3063 | c = c * 10 + *p++ - '0'; |
|
|
3064 | else |
|
|
3065 | { |
|
|
3066 | p += *p == '.'; |
|
|
3067 | break; |
|
|
3068 | } |
|
|
3069 | } |
|
|
3070 | |
|
|
3071 | v = (v << 8) | c; |
|
|
3072 | } |
|
|
3073 | |
|
|
3074 | return v; |
2973 | } |
3075 | } |
2974 | |
3076 | |
2975 | inline_size void |
3077 | inline_size void |
2976 | check_2625 (EV_P) |
3078 | ev_check_2625 (EV_P) |
2977 | { |
3079 | { |
2978 | /* kernels < 2.6.25 are borked |
3080 | /* kernels < 2.6.25 are borked |
2979 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
3081 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2980 | */ |
3082 | */ |
2981 | struct utsname buf; |
3083 | if (ev_linux_version () < 0x020619) |
2982 | int major, minor, micro; |
|
|
2983 | |
|
|
2984 | if (uname (&buf)) |
|
|
2985 | return; |
|
|
2986 | |
|
|
2987 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2988 | return; |
|
|
2989 | |
|
|
2990 | if (major < 2 |
|
|
2991 | || (major == 2 && minor < 6) |
|
|
2992 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2993 | return; |
3084 | return; |
2994 | |
3085 | |
2995 | fs_2625 = 1; |
3086 | fs_2625 = 1; |
2996 | } |
3087 | } |
2997 | |
3088 | |
… | |
… | |
3012 | if (fs_fd != -2) |
3103 | if (fs_fd != -2) |
3013 | return; |
3104 | return; |
3014 | |
3105 | |
3015 | fs_fd = -1; |
3106 | fs_fd = -1; |
3016 | |
3107 | |
3017 | check_2625 (EV_A); |
3108 | ev_check_2625 (EV_A); |
3018 | |
3109 | |
3019 | fs_fd = infy_newfd (); |
3110 | fs_fd = infy_newfd (); |
3020 | |
3111 | |
3021 | if (fs_fd >= 0) |
3112 | if (fs_fd >= 0) |
3022 | { |
3113 | { |
… | |
… | |
3047 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3138 | ev_io_set (&fs_w, fs_fd, EV_READ); |
3048 | ev_io_start (EV_A_ &fs_w); |
3139 | ev_io_start (EV_A_ &fs_w); |
3049 | ev_unref (EV_A); |
3140 | ev_unref (EV_A); |
3050 | } |
3141 | } |
3051 | |
3142 | |
3052 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3143 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
3053 | { |
3144 | { |
3054 | WL w_ = fs_hash [slot].head; |
3145 | WL w_ = fs_hash [slot].head; |
3055 | fs_hash [slot].head = 0; |
3146 | fs_hash [slot].head = 0; |
3056 | |
3147 | |
3057 | while (w_) |
3148 | while (w_) |
… | |
… | |
3062 | w->wd = -1; |
3153 | w->wd = -1; |
3063 | |
3154 | |
3064 | if (fs_fd >= 0) |
3155 | if (fs_fd >= 0) |
3065 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3156 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3066 | else |
3157 | else |
|
|
3158 | { |
|
|
3159 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3160 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3067 | ev_timer_again (EV_A_ &w->timer); |
3161 | ev_timer_again (EV_A_ &w->timer); |
|
|
3162 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3163 | } |
3068 | } |
3164 | } |
3069 | } |
3165 | } |
3070 | } |
3166 | } |
3071 | |
3167 | |
3072 | #endif |
3168 | #endif |
… | |
… | |
3089 | static void noinline |
3185 | static void noinline |
3090 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3186 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3091 | { |
3187 | { |
3092 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3188 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3093 | |
3189 | |
3094 | /* we copy this here each the time so that */ |
3190 | ev_statdata prev = w->attr; |
3095 | /* prev has the old value when the callback gets invoked */ |
|
|
3096 | w->prev = w->attr; |
|
|
3097 | ev_stat_stat (EV_A_ w); |
3191 | ev_stat_stat (EV_A_ w); |
3098 | |
3192 | |
3099 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3193 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3100 | if ( |
3194 | if ( |
3101 | w->prev.st_dev != w->attr.st_dev |
3195 | prev.st_dev != w->attr.st_dev |
3102 | || w->prev.st_ino != w->attr.st_ino |
3196 | || prev.st_ino != w->attr.st_ino |
3103 | || w->prev.st_mode != w->attr.st_mode |
3197 | || prev.st_mode != w->attr.st_mode |
3104 | || w->prev.st_nlink != w->attr.st_nlink |
3198 | || prev.st_nlink != w->attr.st_nlink |
3105 | || w->prev.st_uid != w->attr.st_uid |
3199 | || prev.st_uid != w->attr.st_uid |
3106 | || w->prev.st_gid != w->attr.st_gid |
3200 | || prev.st_gid != w->attr.st_gid |
3107 | || w->prev.st_rdev != w->attr.st_rdev |
3201 | || prev.st_rdev != w->attr.st_rdev |
3108 | || w->prev.st_size != w->attr.st_size |
3202 | || prev.st_size != w->attr.st_size |
3109 | || w->prev.st_atime != w->attr.st_atime |
3203 | || prev.st_atime != w->attr.st_atime |
3110 | || w->prev.st_mtime != w->attr.st_mtime |
3204 | || prev.st_mtime != w->attr.st_mtime |
3111 | || w->prev.st_ctime != w->attr.st_ctime |
3205 | || prev.st_ctime != w->attr.st_ctime |
3112 | ) { |
3206 | ) { |
|
|
3207 | /* we only update w->prev on actual differences */ |
|
|
3208 | /* in case we test more often than invoke the callback, */ |
|
|
3209 | /* to ensure that prev is always different to attr */ |
|
|
3210 | w->prev = prev; |
|
|
3211 | |
3113 | #if EV_USE_INOTIFY |
3212 | #if EV_USE_INOTIFY |
3114 | if (fs_fd >= 0) |
3213 | if (fs_fd >= 0) |
3115 | { |
3214 | { |
3116 | infy_del (EV_A_ w); |
3215 | infy_del (EV_A_ w); |
3117 | infy_add (EV_A_ w); |
3216 | infy_add (EV_A_ w); |
… | |
… | |
3142 | |
3241 | |
3143 | if (fs_fd >= 0) |
3242 | if (fs_fd >= 0) |
3144 | infy_add (EV_A_ w); |
3243 | infy_add (EV_A_ w); |
3145 | else |
3244 | else |
3146 | #endif |
3245 | #endif |
|
|
3246 | { |
3147 | ev_timer_again (EV_A_ &w->timer); |
3247 | ev_timer_again (EV_A_ &w->timer); |
|
|
3248 | ev_unref (EV_A); |
|
|
3249 | } |
3148 | |
3250 | |
3149 | ev_start (EV_A_ (W)w, 1); |
3251 | ev_start (EV_A_ (W)w, 1); |
3150 | |
3252 | |
3151 | EV_FREQUENT_CHECK; |
3253 | EV_FREQUENT_CHECK; |
3152 | } |
3254 | } |
… | |
… | |
3161 | EV_FREQUENT_CHECK; |
3263 | EV_FREQUENT_CHECK; |
3162 | |
3264 | |
3163 | #if EV_USE_INOTIFY |
3265 | #if EV_USE_INOTIFY |
3164 | infy_del (EV_A_ w); |
3266 | infy_del (EV_A_ w); |
3165 | #endif |
3267 | #endif |
|
|
3268 | |
|
|
3269 | if (ev_is_active (&w->timer)) |
|
|
3270 | { |
|
|
3271 | ev_ref (EV_A); |
3166 | ev_timer_stop (EV_A_ &w->timer); |
3272 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3273 | } |
3167 | |
3274 | |
3168 | ev_stop (EV_A_ (W)w); |
3275 | ev_stop (EV_A_ (W)w); |
3169 | |
3276 | |
3170 | EV_FREQUENT_CHECK; |
3277 | EV_FREQUENT_CHECK; |
3171 | } |
3278 | } |
… | |
… | |
3216 | |
3323 | |
3217 | EV_FREQUENT_CHECK; |
3324 | EV_FREQUENT_CHECK; |
3218 | } |
3325 | } |
3219 | #endif |
3326 | #endif |
3220 | |
3327 | |
|
|
3328 | #if EV_PREPARE_ENABLE |
3221 | void |
3329 | void |
3222 | ev_prepare_start (EV_P_ ev_prepare *w) |
3330 | ev_prepare_start (EV_P_ ev_prepare *w) |
3223 | { |
3331 | { |
3224 | if (expect_false (ev_is_active (w))) |
3332 | if (expect_false (ev_is_active (w))) |
3225 | return; |
3333 | return; |
… | |
… | |
3251 | |
3359 | |
3252 | ev_stop (EV_A_ (W)w); |
3360 | ev_stop (EV_A_ (W)w); |
3253 | |
3361 | |
3254 | EV_FREQUENT_CHECK; |
3362 | EV_FREQUENT_CHECK; |
3255 | } |
3363 | } |
|
|
3364 | #endif |
3256 | |
3365 | |
|
|
3366 | #if EV_CHECK_ENABLE |
3257 | void |
3367 | void |
3258 | ev_check_start (EV_P_ ev_check *w) |
3368 | ev_check_start (EV_P_ ev_check *w) |
3259 | { |
3369 | { |
3260 | if (expect_false (ev_is_active (w))) |
3370 | if (expect_false (ev_is_active (w))) |
3261 | return; |
3371 | return; |
… | |
… | |
3287 | |
3397 | |
3288 | ev_stop (EV_A_ (W)w); |
3398 | ev_stop (EV_A_ (W)w); |
3289 | |
3399 | |
3290 | EV_FREQUENT_CHECK; |
3400 | EV_FREQUENT_CHECK; |
3291 | } |
3401 | } |
|
|
3402 | #endif |
3292 | |
3403 | |
3293 | #if EV_EMBED_ENABLE |
3404 | #if EV_EMBED_ENABLE |
3294 | void noinline |
3405 | void noinline |
3295 | ev_embed_sweep (EV_P_ ev_embed *w) |
3406 | ev_embed_sweep (EV_P_ ev_embed *w) |
3296 | { |
3407 | { |
… | |
… | |
3391 | |
3502 | |
3392 | ev_io_stop (EV_A_ &w->io); |
3503 | ev_io_stop (EV_A_ &w->io); |
3393 | ev_prepare_stop (EV_A_ &w->prepare); |
3504 | ev_prepare_stop (EV_A_ &w->prepare); |
3394 | ev_fork_stop (EV_A_ &w->fork); |
3505 | ev_fork_stop (EV_A_ &w->fork); |
3395 | |
3506 | |
|
|
3507 | ev_stop (EV_A_ (W)w); |
|
|
3508 | |
3396 | EV_FREQUENT_CHECK; |
3509 | EV_FREQUENT_CHECK; |
3397 | } |
3510 | } |
3398 | #endif |
3511 | #endif |
3399 | |
3512 | |
3400 | #if EV_FORK_ENABLE |
3513 | #if EV_FORK_ENABLE |
… | |
… | |
3526 | { |
3639 | { |
3527 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3640 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3528 | |
3641 | |
3529 | if (expect_false (!once)) |
3642 | if (expect_false (!once)) |
3530 | { |
3643 | { |
3531 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3644 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3532 | return; |
3645 | return; |
3533 | } |
3646 | } |
3534 | |
3647 | |
3535 | once->cb = cb; |
3648 | once->cb = cb; |
3536 | once->arg = arg; |
3649 | once->arg = arg; |
… | |
… | |
3623 | if (types & EV_ASYNC) |
3736 | if (types & EV_ASYNC) |
3624 | for (i = asynccnt; i--; ) |
3737 | for (i = asynccnt; i--; ) |
3625 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3738 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
3626 | #endif |
3739 | #endif |
3627 | |
3740 | |
|
|
3741 | #if EV_PREPARE_ENABLE |
3628 | if (types & EV_PREPARE) |
3742 | if (types & EV_PREPARE) |
3629 | for (i = preparecnt; i--; ) |
3743 | for (i = preparecnt; i--; ) |
3630 | #if EV_EMBED_ENABLE |
3744 | # if EV_EMBED_ENABLE |
3631 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3745 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
3632 | #endif |
3746 | # endif |
3633 | cb (EV_A_ EV_PREPARE, prepares [i]); |
3747 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3748 | #endif |
3634 | |
3749 | |
|
|
3750 | #if EV_CHECK_ENABLE |
3635 | if (types & EV_CHECK) |
3751 | if (types & EV_CHECK) |
3636 | for (i = checkcnt; i--; ) |
3752 | for (i = checkcnt; i--; ) |
3637 | cb (EV_A_ EV_CHECK, checks [i]); |
3753 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3754 | #endif |
3638 | |
3755 | |
|
|
3756 | #if EV_SIGNAL_ENABLE |
3639 | if (types & EV_SIGNAL) |
3757 | if (types & EV_SIGNAL) |
3640 | for (i = 0; i < EV_NSIG - 1; ++i) |
3758 | for (i = 0; i < EV_NSIG - 1; ++i) |
3641 | for (wl = signals [i].head; wl; ) |
3759 | for (wl = signals [i].head; wl; ) |
3642 | { |
3760 | { |
3643 | wn = wl->next; |
3761 | wn = wl->next; |
3644 | cb (EV_A_ EV_SIGNAL, wl); |
3762 | cb (EV_A_ EV_SIGNAL, wl); |
3645 | wl = wn; |
3763 | wl = wn; |
3646 | } |
3764 | } |
|
|
3765 | #endif |
3647 | |
3766 | |
|
|
3767 | #if EV_CHILD_ENABLE |
3648 | if (types & EV_CHILD) |
3768 | if (types & EV_CHILD) |
3649 | for (i = EV_PID_HASHSIZE; i--; ) |
3769 | for (i = (EV_PID_HASHSIZE); i--; ) |
3650 | for (wl = childs [i]; wl; ) |
3770 | for (wl = childs [i]; wl; ) |
3651 | { |
3771 | { |
3652 | wn = wl->next; |
3772 | wn = wl->next; |
3653 | cb (EV_A_ EV_CHILD, wl); |
3773 | cb (EV_A_ EV_CHILD, wl); |
3654 | wl = wn; |
3774 | wl = wn; |
3655 | } |
3775 | } |
|
|
3776 | #endif |
3656 | /* EV_STAT 0x00001000 /* stat data changed */ |
3777 | /* EV_STAT 0x00001000 /* stat data changed */ |
3657 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3778 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
3658 | } |
3779 | } |
3659 | #endif |
3780 | #endif |
3660 | |
3781 | |