… | |
… | |
113 | |
113 | |
114 | typedef struct ev_watcher *W; |
114 | typedef struct ev_watcher *W; |
115 | typedef struct ev_watcher_list *WL; |
115 | typedef struct ev_watcher_list *WL; |
116 | typedef struct ev_watcher_time *WT; |
116 | typedef struct ev_watcher_time *WT; |
117 | |
117 | |
118 | static ev_tstamp now_floor, now, diff; /* monotonic clock */ |
118 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
119 | ev_tstamp ev_now; |
|
|
120 | int ev_method; |
|
|
121 | |
|
|
122 | static int have_monotonic; /* runtime */ |
|
|
123 | |
|
|
124 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
|
|
125 | static void (*method_modify)(int fd, int oev, int nev); |
|
|
126 | static void (*method_poll)(ev_tstamp timeout); |
|
|
127 | |
119 | |
128 | /*****************************************************************************/ |
120 | /*****************************************************************************/ |
129 | |
121 | |
130 | ev_tstamp |
122 | typedef struct |
|
|
123 | { |
|
|
124 | struct ev_watcher_list *head; |
|
|
125 | unsigned char events; |
|
|
126 | unsigned char reify; |
|
|
127 | } ANFD; |
|
|
128 | |
|
|
129 | typedef struct |
|
|
130 | { |
|
|
131 | W w; |
|
|
132 | int events; |
|
|
133 | } ANPENDING; |
|
|
134 | |
|
|
135 | #if EV_MULTIPLICITY |
|
|
136 | |
|
|
137 | struct ev_loop |
|
|
138 | { |
|
|
139 | # define VAR(name,decl) decl; |
|
|
140 | # include "ev_vars.h" |
|
|
141 | }; |
|
|
142 | # undef VAR |
|
|
143 | # include "ev_wrap.h" |
|
|
144 | |
|
|
145 | #else |
|
|
146 | |
|
|
147 | # define VAR(name,decl) static decl; |
|
|
148 | # include "ev_vars.h" |
|
|
149 | # undef VAR |
|
|
150 | |
|
|
151 | #endif |
|
|
152 | |
|
|
153 | /*****************************************************************************/ |
|
|
154 | |
|
|
155 | inline ev_tstamp |
131 | ev_time (void) |
156 | ev_time (void) |
132 | { |
157 | { |
133 | #if EV_USE_REALTIME |
158 | #if EV_USE_REALTIME |
134 | struct timespec ts; |
159 | struct timespec ts; |
135 | clock_gettime (CLOCK_REALTIME, &ts); |
160 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
139 | gettimeofday (&tv, 0); |
164 | gettimeofday (&tv, 0); |
140 | return tv.tv_sec + tv.tv_usec * 1e-6; |
165 | return tv.tv_sec + tv.tv_usec * 1e-6; |
141 | #endif |
166 | #endif |
142 | } |
167 | } |
143 | |
168 | |
144 | static ev_tstamp |
169 | inline ev_tstamp |
145 | get_clock (void) |
170 | get_clock (void) |
146 | { |
171 | { |
147 | #if EV_USE_MONOTONIC |
172 | #if EV_USE_MONOTONIC |
148 | if (expect_true (have_monotonic)) |
173 | if (expect_true (have_monotonic)) |
149 | { |
174 | { |
… | |
… | |
152 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
177 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
153 | } |
178 | } |
154 | #endif |
179 | #endif |
155 | |
180 | |
156 | return ev_time (); |
181 | return ev_time (); |
|
|
182 | } |
|
|
183 | |
|
|
184 | ev_tstamp |
|
|
185 | ev_now (EV_P) |
|
|
186 | { |
|
|
187 | return rt_now; |
157 | } |
188 | } |
158 | |
189 | |
159 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
190 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
160 | |
191 | |
161 | #define array_needsize(base,cur,cnt,init) \ |
192 | #define array_needsize(base,cur,cnt,init) \ |
… | |
… | |
173 | cur = newcnt; \ |
204 | cur = newcnt; \ |
174 | } |
205 | } |
175 | |
206 | |
176 | /*****************************************************************************/ |
207 | /*****************************************************************************/ |
177 | |
208 | |
178 | typedef struct |
|
|
179 | { |
|
|
180 | struct ev_watcher_list *head; |
|
|
181 | unsigned char events; |
|
|
182 | unsigned char reify; |
|
|
183 | } ANFD; |
|
|
184 | |
|
|
185 | static ANFD *anfds; |
|
|
186 | static int anfdmax; |
|
|
187 | |
|
|
188 | static void |
209 | static void |
189 | anfds_init (ANFD *base, int count) |
210 | anfds_init (ANFD *base, int count) |
190 | { |
211 | { |
191 | while (count--) |
212 | while (count--) |
192 | { |
213 | { |
… | |
… | |
196 | |
217 | |
197 | ++base; |
218 | ++base; |
198 | } |
219 | } |
199 | } |
220 | } |
200 | |
221 | |
201 | typedef struct |
|
|
202 | { |
|
|
203 | W w; |
|
|
204 | int events; |
|
|
205 | } ANPENDING; |
|
|
206 | |
|
|
207 | static ANPENDING *pendings [NUMPRI]; |
|
|
208 | static int pendingmax [NUMPRI], pendingcnt [NUMPRI]; |
|
|
209 | |
|
|
210 | static void |
222 | static void |
211 | event (W w, int events) |
223 | event (EV_P_ W w, int events) |
212 | { |
224 | { |
213 | if (w->pending) |
225 | if (w->pending) |
214 | { |
226 | { |
215 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
227 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
216 | return; |
228 | return; |
… | |
… | |
221 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
233 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
222 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
234 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
223 | } |
235 | } |
224 | |
236 | |
225 | static void |
237 | static void |
226 | queue_events (W *events, int eventcnt, int type) |
238 | queue_events (EV_P_ W *events, int eventcnt, int type) |
227 | { |
239 | { |
228 | int i; |
240 | int i; |
229 | |
241 | |
230 | for (i = 0; i < eventcnt; ++i) |
242 | for (i = 0; i < eventcnt; ++i) |
231 | event (events [i], type); |
243 | event (EV_A_ events [i], type); |
232 | } |
244 | } |
233 | |
245 | |
234 | static void |
246 | static void |
235 | fd_event (int fd, int events) |
247 | fd_event (EV_P_ int fd, int events) |
236 | { |
248 | { |
237 | ANFD *anfd = anfds + fd; |
249 | ANFD *anfd = anfds + fd; |
238 | struct ev_io *w; |
250 | struct ev_io *w; |
239 | |
251 | |
240 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
252 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
241 | { |
253 | { |
242 | int ev = w->events & events; |
254 | int ev = w->events & events; |
243 | |
255 | |
244 | if (ev) |
256 | if (ev) |
245 | event ((W)w, ev); |
257 | event (EV_A_ (W)w, ev); |
246 | } |
258 | } |
247 | } |
259 | } |
248 | |
260 | |
249 | /*****************************************************************************/ |
261 | /*****************************************************************************/ |
250 | |
262 | |
251 | static int *fdchanges; |
|
|
252 | static int fdchangemax, fdchangecnt; |
|
|
253 | |
|
|
254 | static void |
263 | static void |
255 | fd_reify (void) |
264 | fd_reify (EV_P) |
256 | { |
265 | { |
257 | int i; |
266 | int i; |
258 | |
267 | |
259 | for (i = 0; i < fdchangecnt; ++i) |
268 | for (i = 0; i < fdchangecnt; ++i) |
260 | { |
269 | { |
… | |
… | |
269 | |
278 | |
270 | anfd->reify = 0; |
279 | anfd->reify = 0; |
271 | |
280 | |
272 | if (anfd->events != events) |
281 | if (anfd->events != events) |
273 | { |
282 | { |
274 | method_modify (fd, anfd->events, events); |
283 | method_modify (EV_A_ fd, anfd->events, events); |
275 | anfd->events = events; |
284 | anfd->events = events; |
276 | } |
285 | } |
277 | } |
286 | } |
278 | |
287 | |
279 | fdchangecnt = 0; |
288 | fdchangecnt = 0; |
280 | } |
289 | } |
281 | |
290 | |
282 | static void |
291 | static void |
283 | fd_change (int fd) |
292 | fd_change (EV_P_ int fd) |
284 | { |
293 | { |
285 | if (anfds [fd].reify || fdchangecnt < 0) |
294 | if (anfds [fd].reify || fdchangecnt < 0) |
286 | return; |
295 | return; |
287 | |
296 | |
288 | anfds [fd].reify = 1; |
297 | anfds [fd].reify = 1; |
… | |
… | |
291 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
300 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
292 | fdchanges [fdchangecnt - 1] = fd; |
301 | fdchanges [fdchangecnt - 1] = fd; |
293 | } |
302 | } |
294 | |
303 | |
295 | static void |
304 | static void |
296 | fd_kill (int fd) |
305 | fd_kill (EV_P_ int fd) |
297 | { |
306 | { |
298 | struct ev_io *w; |
307 | struct ev_io *w; |
299 | |
308 | |
300 | while ((w = (struct ev_io *)anfds [fd].head)) |
309 | while ((w = (struct ev_io *)anfds [fd].head)) |
301 | { |
310 | { |
302 | ev_io_stop (w); |
311 | ev_io_stop (EV_A_ w); |
303 | event ((W)w, EV_ERROR | EV_READ | EV_WRITE); |
312 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
304 | } |
313 | } |
305 | } |
314 | } |
306 | |
315 | |
307 | /* called on EBADF to verify fds */ |
316 | /* called on EBADF to verify fds */ |
308 | static void |
317 | static void |
309 | fd_ebadf (void) |
318 | fd_ebadf (EV_P) |
310 | { |
319 | { |
311 | int fd; |
320 | int fd; |
312 | |
321 | |
313 | for (fd = 0; fd < anfdmax; ++fd) |
322 | for (fd = 0; fd < anfdmax; ++fd) |
314 | if (anfds [fd].events) |
323 | if (anfds [fd].events) |
315 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
324 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
316 | fd_kill (fd); |
325 | fd_kill (EV_A_ fd); |
317 | } |
326 | } |
318 | |
327 | |
319 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
328 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
320 | static void |
329 | static void |
321 | fd_enomem (void) |
330 | fd_enomem (EV_P) |
322 | { |
331 | { |
323 | int fd = anfdmax; |
332 | int fd = anfdmax; |
324 | |
333 | |
325 | while (fd--) |
334 | while (fd--) |
326 | if (anfds [fd].events) |
335 | if (anfds [fd].events) |
327 | { |
336 | { |
328 | close (fd); |
337 | close (fd); |
329 | fd_kill (fd); |
338 | fd_kill (EV_A_ fd); |
330 | return; |
339 | return; |
331 | } |
340 | } |
332 | } |
341 | } |
333 | |
342 | |
|
|
343 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
|
|
344 | static void |
|
|
345 | fd_rearm_all (EV_P) |
|
|
346 | { |
|
|
347 | int fd; |
|
|
348 | |
|
|
349 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
350 | for (fd = 0; fd < anfdmax; ++fd) |
|
|
351 | if (anfds [fd].events) |
|
|
352 | { |
|
|
353 | anfds [fd].events = 0; |
|
|
354 | fd_change (fd); |
|
|
355 | } |
|
|
356 | } |
|
|
357 | |
334 | /*****************************************************************************/ |
358 | /*****************************************************************************/ |
335 | |
359 | |
336 | static struct ev_timer **timers; |
|
|
337 | static int timermax, timercnt; |
|
|
338 | |
|
|
339 | static struct ev_periodic **periodics; |
|
|
340 | static int periodicmax, periodiccnt; |
|
|
341 | |
|
|
342 | static void |
360 | static void |
343 | upheap (WT *timers, int k) |
361 | upheap (WT *heap, int k) |
344 | { |
362 | { |
345 | WT w = timers [k]; |
363 | WT w = heap [k]; |
346 | |
364 | |
347 | while (k && timers [k >> 1]->at > w->at) |
365 | while (k && heap [k >> 1]->at > w->at) |
348 | { |
366 | { |
349 | timers [k] = timers [k >> 1]; |
367 | heap [k] = heap [k >> 1]; |
350 | timers [k]->active = k + 1; |
368 | heap [k]->active = k + 1; |
351 | k >>= 1; |
369 | k >>= 1; |
352 | } |
370 | } |
353 | |
371 | |
354 | timers [k] = w; |
372 | heap [k] = w; |
355 | timers [k]->active = k + 1; |
373 | heap [k]->active = k + 1; |
356 | |
374 | |
357 | } |
375 | } |
358 | |
376 | |
359 | static void |
377 | static void |
360 | downheap (WT *timers, int N, int k) |
378 | downheap (WT *heap, int N, int k) |
361 | { |
379 | { |
362 | WT w = timers [k]; |
380 | WT w = heap [k]; |
363 | |
381 | |
364 | while (k < (N >> 1)) |
382 | while (k < (N >> 1)) |
365 | { |
383 | { |
366 | int j = k << 1; |
384 | int j = k << 1; |
367 | |
385 | |
368 | if (j + 1 < N && timers [j]->at > timers [j + 1]->at) |
386 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
369 | ++j; |
387 | ++j; |
370 | |
388 | |
371 | if (w->at <= timers [j]->at) |
389 | if (w->at <= heap [j]->at) |
372 | break; |
390 | break; |
373 | |
391 | |
374 | timers [k] = timers [j]; |
392 | heap [k] = heap [j]; |
375 | timers [k]->active = k + 1; |
393 | heap [k]->active = k + 1; |
376 | k = j; |
394 | k = j; |
377 | } |
395 | } |
378 | |
396 | |
379 | timers [k] = w; |
397 | heap [k] = w; |
380 | timers [k]->active = k + 1; |
398 | heap [k]->active = k + 1; |
381 | } |
399 | } |
382 | |
400 | |
383 | /*****************************************************************************/ |
401 | /*****************************************************************************/ |
384 | |
402 | |
385 | typedef struct |
403 | typedef struct |
… | |
… | |
420 | errno = old_errno; |
438 | errno = old_errno; |
421 | } |
439 | } |
422 | } |
440 | } |
423 | |
441 | |
424 | static void |
442 | static void |
425 | sigcb (struct ev_io *iow, int revents) |
443 | sigcb (EV_P_ struct ev_io *iow, int revents) |
426 | { |
444 | { |
427 | struct ev_watcher_list *w; |
445 | struct ev_watcher_list *w; |
428 | int signum; |
446 | int signum; |
429 | |
447 | |
430 | read (sigpipe [0], &revents, 1); |
448 | read (sigpipe [0], &revents, 1); |
… | |
… | |
434 | if (signals [signum].gotsig) |
452 | if (signals [signum].gotsig) |
435 | { |
453 | { |
436 | signals [signum].gotsig = 0; |
454 | signals [signum].gotsig = 0; |
437 | |
455 | |
438 | for (w = signals [signum].head; w; w = w->next) |
456 | for (w = signals [signum].head; w; w = w->next) |
439 | event ((W)w, EV_SIGNAL); |
457 | event (EV_A_ (W)w, EV_SIGNAL); |
440 | } |
458 | } |
441 | } |
459 | } |
442 | |
460 | |
443 | static void |
461 | static void |
444 | siginit (void) |
462 | siginit (EV_P) |
445 | { |
463 | { |
446 | #ifndef WIN32 |
464 | #ifndef WIN32 |
447 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
465 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
448 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
466 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
449 | |
467 | |
… | |
… | |
451 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
469 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
452 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
470 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
453 | #endif |
471 | #endif |
454 | |
472 | |
455 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
473 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
456 | ev_io_start (&sigev); |
474 | ev_io_start (EV_A_ &sigev); |
|
|
475 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
457 | } |
476 | } |
458 | |
477 | |
459 | /*****************************************************************************/ |
478 | /*****************************************************************************/ |
460 | |
479 | |
461 | static struct ev_idle **idles; |
480 | #ifndef WIN32 |
462 | static int idlemax, idlecnt; |
|
|
463 | |
|
|
464 | static struct ev_prepare **prepares; |
|
|
465 | static int preparemax, preparecnt; |
|
|
466 | |
|
|
467 | static struct ev_check **checks; |
|
|
468 | static int checkmax, checkcnt; |
|
|
469 | |
|
|
470 | /*****************************************************************************/ |
|
|
471 | |
481 | |
472 | static struct ev_child *childs [PID_HASHSIZE]; |
482 | static struct ev_child *childs [PID_HASHSIZE]; |
473 | static struct ev_signal childev; |
483 | static struct ev_signal childev; |
474 | |
484 | |
475 | #ifndef WIN32 |
|
|
476 | |
|
|
477 | #ifndef WCONTINUED |
485 | #ifndef WCONTINUED |
478 | # define WCONTINUED 0 |
486 | # define WCONTINUED 0 |
479 | #endif |
487 | #endif |
480 | |
488 | |
481 | static void |
489 | static void |
482 | child_reap (struct ev_signal *sw, int chain, int pid, int status) |
490 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
483 | { |
491 | { |
484 | struct ev_child *w; |
492 | struct ev_child *w; |
485 | |
493 | |
486 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
494 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
487 | if (w->pid == pid || !w->pid) |
495 | if (w->pid == pid || !w->pid) |
488 | { |
496 | { |
489 | w->priority = sw->priority; /* need to do it *now* */ |
497 | w->priority = sw->priority; /* need to do it *now* */ |
490 | w->rpid = pid; |
498 | w->rpid = pid; |
491 | w->rstatus = status; |
499 | w->rstatus = status; |
492 | event ((W)w, EV_CHILD); |
500 | event (EV_A_ (W)w, EV_CHILD); |
493 | } |
501 | } |
494 | } |
502 | } |
495 | |
503 | |
496 | static void |
504 | static void |
497 | childcb (struct ev_signal *sw, int revents) |
505 | childcb (EV_P_ struct ev_signal *sw, int revents) |
498 | { |
506 | { |
499 | int pid, status; |
507 | int pid, status; |
500 | |
508 | |
501 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
509 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
502 | { |
510 | { |
503 | /* make sure we are called again until all childs have been reaped */ |
511 | /* make sure we are called again until all childs have been reaped */ |
504 | event ((W)sw, EV_SIGNAL); |
512 | event (EV_A_ (W)sw, EV_SIGNAL); |
505 | |
513 | |
506 | child_reap (sw, pid, pid, status); |
514 | child_reap (EV_A_ sw, pid, pid, status); |
507 | child_reap (sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
515 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
508 | } |
516 | } |
509 | } |
517 | } |
510 | |
518 | |
511 | #endif |
519 | #endif |
512 | |
520 | |
… | |
… | |
537 | return EV_VERSION_MINOR; |
545 | return EV_VERSION_MINOR; |
538 | } |
546 | } |
539 | |
547 | |
540 | /* return true if we are running with elevated privileges and should ignore env variables */ |
548 | /* return true if we are running with elevated privileges and should ignore env variables */ |
541 | static int |
549 | static int |
542 | enable_secure () |
550 | enable_secure (void) |
543 | { |
551 | { |
544 | #ifdef WIN32 |
552 | #ifdef WIN32 |
545 | return 0; |
553 | return 0; |
546 | #else |
554 | #else |
547 | return getuid () != geteuid () |
555 | return getuid () != geteuid () |
548 | || getgid () != getegid (); |
556 | || getgid () != getegid (); |
549 | #endif |
557 | #endif |
550 | } |
558 | } |
551 | |
559 | |
552 | int ev_init (int methods) |
560 | int |
|
|
561 | ev_method (EV_P) |
553 | { |
562 | { |
|
|
563 | return method; |
|
|
564 | } |
|
|
565 | |
|
|
566 | static void |
|
|
567 | loop_init (EV_P_ int methods) |
|
|
568 | { |
554 | if (!ev_method) |
569 | if (!method) |
555 | { |
570 | { |
556 | #if EV_USE_MONOTONIC |
571 | #if EV_USE_MONOTONIC |
557 | { |
572 | { |
558 | struct timespec ts; |
573 | struct timespec ts; |
559 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
574 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
560 | have_monotonic = 1; |
575 | have_monotonic = 1; |
561 | } |
576 | } |
562 | #endif |
577 | #endif |
563 | |
578 | |
564 | ev_now = ev_time (); |
579 | rt_now = ev_time (); |
565 | now = get_clock (); |
580 | mn_now = get_clock (); |
566 | now_floor = now; |
581 | now_floor = mn_now; |
567 | diff = ev_now - now; |
582 | rtmn_diff = rt_now - mn_now; |
568 | |
|
|
569 | if (pipe (sigpipe)) |
|
|
570 | return 0; |
|
|
571 | |
583 | |
572 | if (methods == EVMETHOD_AUTO) |
584 | if (methods == EVMETHOD_AUTO) |
573 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
585 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
574 | methods = atoi (getenv ("LIBEV_METHODS")); |
586 | methods = atoi (getenv ("LIBEV_METHODS")); |
575 | else |
587 | else |
576 | methods = EVMETHOD_ANY; |
588 | methods = EVMETHOD_ANY; |
577 | |
589 | |
578 | ev_method = 0; |
590 | method = 0; |
579 | #if EV_USE_KQUEUE |
591 | #if EV_USE_KQUEUE |
580 | if (!ev_method && (methods & EVMETHOD_KQUEUE)) kqueue_init (methods); |
592 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
581 | #endif |
593 | #endif |
582 | #if EV_USE_EPOLL |
594 | #if EV_USE_EPOLL |
583 | if (!ev_method && (methods & EVMETHOD_EPOLL )) epoll_init (methods); |
595 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
584 | #endif |
596 | #endif |
585 | #if EV_USE_POLL |
597 | #if EV_USE_POLL |
586 | if (!ev_method && (methods & EVMETHOD_POLL )) poll_init (methods); |
598 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
587 | #endif |
599 | #endif |
588 | #if EV_USE_SELECT |
600 | #if EV_USE_SELECT |
589 | if (!ev_method && (methods & EVMETHOD_SELECT)) select_init (methods); |
601 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
590 | #endif |
602 | #endif |
|
|
603 | } |
|
|
604 | } |
591 | |
605 | |
|
|
606 | void |
|
|
607 | loop_destroy (EV_P) |
|
|
608 | { |
|
|
609 | #if EV_USE_KQUEUE |
|
|
610 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
|
|
611 | #endif |
|
|
612 | #if EV_USE_EPOLL |
|
|
613 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
|
|
614 | #endif |
|
|
615 | #if EV_USE_POLL |
|
|
616 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
|
|
617 | #endif |
|
|
618 | #if EV_USE_SELECT |
|
|
619 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
|
|
620 | #endif |
|
|
621 | |
|
|
622 | method = 0; |
|
|
623 | /*TODO*/ |
|
|
624 | } |
|
|
625 | |
|
|
626 | void |
|
|
627 | loop_fork (EV_P) |
|
|
628 | { |
|
|
629 | /*TODO*/ |
|
|
630 | #if EV_USE_EPOLL |
|
|
631 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
|
|
632 | #endif |
|
|
633 | #if EV_USE_KQUEUE |
|
|
634 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
635 | #endif |
|
|
636 | } |
|
|
637 | |
|
|
638 | #if EV_MULTIPLICITY |
|
|
639 | struct ev_loop * |
|
|
640 | ev_loop_new (int methods) |
|
|
641 | { |
|
|
642 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
|
|
643 | |
|
|
644 | loop_init (EV_A_ methods); |
|
|
645 | |
|
|
646 | if (ev_methods (EV_A)) |
|
|
647 | return loop; |
|
|
648 | |
|
|
649 | return 0; |
|
|
650 | } |
|
|
651 | |
|
|
652 | void |
|
|
653 | ev_loop_destroy (EV_P) |
|
|
654 | { |
|
|
655 | loop_destroy (EV_A); |
|
|
656 | free (loop); |
|
|
657 | } |
|
|
658 | |
|
|
659 | void |
|
|
660 | ev_loop_fork (EV_P) |
|
|
661 | { |
|
|
662 | loop_fork (EV_A); |
|
|
663 | } |
|
|
664 | |
|
|
665 | #endif |
|
|
666 | |
|
|
667 | #if EV_MULTIPLICITY |
|
|
668 | struct ev_loop default_loop_struct; |
|
|
669 | static struct ev_loop *default_loop; |
|
|
670 | |
|
|
671 | struct ev_loop * |
|
|
672 | #else |
|
|
673 | static int default_loop; |
|
|
674 | |
|
|
675 | int |
|
|
676 | #endif |
|
|
677 | ev_default_loop (int methods) |
|
|
678 | { |
|
|
679 | if (sigpipe [0] == sigpipe [1]) |
|
|
680 | if (pipe (sigpipe)) |
|
|
681 | return 0; |
|
|
682 | |
|
|
683 | if (!default_loop) |
|
|
684 | { |
|
|
685 | #if EV_MULTIPLICITY |
|
|
686 | struct ev_loop *loop = default_loop = &default_loop_struct; |
|
|
687 | #else |
|
|
688 | default_loop = 1; |
|
|
689 | #endif |
|
|
690 | |
|
|
691 | loop_init (EV_A_ methods); |
|
|
692 | |
592 | if (ev_method) |
693 | if (ev_method (EV_A)) |
593 | { |
694 | { |
594 | ev_watcher_init (&sigev, sigcb); |
695 | ev_watcher_init (&sigev, sigcb); |
595 | ev_set_priority (&sigev, EV_MAXPRI); |
696 | ev_set_priority (&sigev, EV_MAXPRI); |
596 | siginit (); |
697 | siginit (EV_A); |
597 | |
698 | |
598 | #ifndef WIN32 |
699 | #ifndef WIN32 |
599 | ev_signal_init (&childev, childcb, SIGCHLD); |
700 | ev_signal_init (&childev, childcb, SIGCHLD); |
600 | ev_set_priority (&childev, EV_MAXPRI); |
701 | ev_set_priority (&childev, EV_MAXPRI); |
601 | ev_signal_start (&childev); |
702 | ev_signal_start (EV_A_ &childev); |
|
|
703 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
602 | #endif |
704 | #endif |
603 | } |
705 | } |
|
|
706 | else |
|
|
707 | default_loop = 0; |
604 | } |
708 | } |
605 | |
709 | |
606 | return ev_method; |
710 | return default_loop; |
607 | } |
711 | } |
608 | |
712 | |
609 | /*****************************************************************************/ |
|
|
610 | |
|
|
611 | void |
713 | void |
612 | ev_fork_prepare (void) |
714 | ev_default_destroy (void) |
613 | { |
715 | { |
614 | /* nop */ |
716 | #if EV_MULTIPLICITY |
615 | } |
717 | struct ev_loop *loop = default_loop; |
616 | |
|
|
617 | void |
|
|
618 | ev_fork_parent (void) |
|
|
619 | { |
|
|
620 | /* nop */ |
|
|
621 | } |
|
|
622 | |
|
|
623 | void |
|
|
624 | ev_fork_child (void) |
|
|
625 | { |
|
|
626 | #if EV_USE_EPOLL |
|
|
627 | if (ev_method == EVMETHOD_EPOLL) |
|
|
628 | epoll_postfork_child (); |
|
|
629 | #endif |
718 | #endif |
630 | |
719 | |
|
|
720 | ev_ref (EV_A); /* child watcher */ |
|
|
721 | ev_signal_stop (EV_A_ &childev); |
|
|
722 | |
|
|
723 | ev_ref (EV_A); /* signal watcher */ |
631 | ev_io_stop (&sigev); |
724 | ev_io_stop (EV_A_ &sigev); |
|
|
725 | |
|
|
726 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
727 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
728 | |
|
|
729 | loop_destroy (EV_A); |
|
|
730 | } |
|
|
731 | |
|
|
732 | void |
|
|
733 | ev_default_fork (EV_P) |
|
|
734 | { |
|
|
735 | loop_fork (EV_A); |
|
|
736 | |
|
|
737 | ev_io_stop (EV_A_ &sigev); |
632 | close (sigpipe [0]); |
738 | close (sigpipe [0]); |
633 | close (sigpipe [1]); |
739 | close (sigpipe [1]); |
634 | pipe (sigpipe); |
740 | pipe (sigpipe); |
|
|
741 | |
|
|
742 | ev_ref (EV_A); /* signal watcher */ |
635 | siginit (); |
743 | siginit (EV_A); |
636 | } |
744 | } |
637 | |
745 | |
638 | /*****************************************************************************/ |
746 | /*****************************************************************************/ |
639 | |
747 | |
640 | static void |
748 | static void |
641 | call_pending (void) |
749 | call_pending (EV_P) |
642 | { |
750 | { |
643 | int pri; |
751 | int pri; |
644 | |
752 | |
645 | for (pri = NUMPRI; pri--; ) |
753 | for (pri = NUMPRI; pri--; ) |
646 | while (pendingcnt [pri]) |
754 | while (pendingcnt [pri]) |
… | |
… | |
648 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
756 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
649 | |
757 | |
650 | if (p->w) |
758 | if (p->w) |
651 | { |
759 | { |
652 | p->w->pending = 0; |
760 | p->w->pending = 0; |
653 | p->w->cb (p->w, p->events); |
761 | p->w->cb (EV_A_ p->w, p->events); |
654 | } |
762 | } |
655 | } |
763 | } |
656 | } |
764 | } |
657 | |
765 | |
658 | static void |
766 | static void |
659 | timers_reify (void) |
767 | timers_reify (EV_P) |
660 | { |
768 | { |
661 | while (timercnt && timers [0]->at <= now) |
769 | while (timercnt && timers [0]->at <= mn_now) |
662 | { |
770 | { |
663 | struct ev_timer *w = timers [0]; |
771 | struct ev_timer *w = timers [0]; |
664 | |
772 | |
665 | /* first reschedule or stop timer */ |
773 | /* first reschedule or stop timer */ |
666 | if (w->repeat) |
774 | if (w->repeat) |
667 | { |
775 | { |
668 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
776 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
669 | w->at = now + w->repeat; |
777 | w->at = mn_now + w->repeat; |
670 | downheap ((WT *)timers, timercnt, 0); |
778 | downheap ((WT *)timers, timercnt, 0); |
671 | } |
779 | } |
672 | else |
780 | else |
673 | ev_timer_stop (w); /* nonrepeating: stop timer */ |
781 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
674 | |
782 | |
675 | event ((W)w, EV_TIMEOUT); |
783 | event (EV_A_ (W)w, EV_TIMEOUT); |
676 | } |
784 | } |
677 | } |
785 | } |
678 | |
786 | |
679 | static void |
787 | static void |
680 | periodics_reify (void) |
788 | periodics_reify (EV_P) |
681 | { |
789 | { |
682 | while (periodiccnt && periodics [0]->at <= ev_now) |
790 | while (periodiccnt && periodics [0]->at <= rt_now) |
683 | { |
791 | { |
684 | struct ev_periodic *w = periodics [0]; |
792 | struct ev_periodic *w = periodics [0]; |
685 | |
793 | |
686 | /* first reschedule or stop timer */ |
794 | /* first reschedule or stop timer */ |
687 | if (w->interval) |
795 | if (w->interval) |
688 | { |
796 | { |
689 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
797 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
690 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > ev_now)); |
798 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
691 | downheap ((WT *)periodics, periodiccnt, 0); |
799 | downheap ((WT *)periodics, periodiccnt, 0); |
692 | } |
800 | } |
693 | else |
801 | else |
694 | ev_periodic_stop (w); /* nonrepeating: stop timer */ |
802 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
695 | |
803 | |
696 | event ((W)w, EV_PERIODIC); |
804 | event (EV_A_ (W)w, EV_PERIODIC); |
697 | } |
805 | } |
698 | } |
806 | } |
699 | |
807 | |
700 | static void |
808 | static void |
701 | periodics_reschedule (ev_tstamp diff) |
809 | periodics_reschedule (EV_P) |
702 | { |
810 | { |
703 | int i; |
811 | int i; |
704 | |
812 | |
705 | /* adjust periodics after time jump */ |
813 | /* adjust periodics after time jump */ |
706 | for (i = 0; i < periodiccnt; ++i) |
814 | for (i = 0; i < periodiccnt; ++i) |
707 | { |
815 | { |
708 | struct ev_periodic *w = periodics [i]; |
816 | struct ev_periodic *w = periodics [i]; |
709 | |
817 | |
710 | if (w->interval) |
818 | if (w->interval) |
711 | { |
819 | { |
712 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
820 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
713 | |
821 | |
714 | if (fabs (diff) >= 1e-4) |
822 | if (fabs (diff) >= 1e-4) |
715 | { |
823 | { |
716 | ev_periodic_stop (w); |
824 | ev_periodic_stop (EV_A_ w); |
717 | ev_periodic_start (w); |
825 | ev_periodic_start (EV_A_ w); |
718 | |
826 | |
719 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
827 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
720 | } |
828 | } |
721 | } |
829 | } |
722 | } |
830 | } |
723 | } |
831 | } |
724 | |
832 | |
725 | static int |
833 | inline int |
726 | time_update_monotonic (void) |
834 | time_update_monotonic (EV_P) |
727 | { |
835 | { |
728 | now = get_clock (); |
836 | mn_now = get_clock (); |
729 | |
837 | |
730 | if (expect_true (now - now_floor < MIN_TIMEJUMP * .5)) |
838 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
731 | { |
839 | { |
732 | ev_now = now + diff; |
840 | rt_now = rtmn_diff + mn_now; |
733 | return 0; |
841 | return 0; |
734 | } |
842 | } |
735 | else |
843 | else |
736 | { |
844 | { |
737 | now_floor = now; |
845 | now_floor = mn_now; |
738 | ev_now = ev_time (); |
846 | rt_now = ev_time (); |
739 | return 1; |
847 | return 1; |
740 | } |
848 | } |
741 | } |
849 | } |
742 | |
850 | |
743 | static void |
851 | static void |
744 | time_update (void) |
852 | time_update (EV_P) |
745 | { |
853 | { |
746 | int i; |
854 | int i; |
747 | |
855 | |
748 | #if EV_USE_MONOTONIC |
856 | #if EV_USE_MONOTONIC |
749 | if (expect_true (have_monotonic)) |
857 | if (expect_true (have_monotonic)) |
750 | { |
858 | { |
751 | if (time_update_monotonic ()) |
859 | if (time_update_monotonic (EV_A)) |
752 | { |
860 | { |
753 | ev_tstamp odiff = diff; |
861 | ev_tstamp odiff = rtmn_diff; |
754 | |
862 | |
755 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
863 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
756 | { |
864 | { |
757 | diff = ev_now - now; |
865 | rtmn_diff = rt_now - mn_now; |
758 | |
866 | |
759 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
867 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
760 | return; /* all is well */ |
868 | return; /* all is well */ |
761 | |
869 | |
762 | ev_now = ev_time (); |
870 | rt_now = ev_time (); |
763 | now = get_clock (); |
871 | mn_now = get_clock (); |
764 | now_floor = now; |
872 | now_floor = mn_now; |
765 | } |
873 | } |
766 | |
874 | |
767 | periodics_reschedule (diff - odiff); |
875 | periodics_reschedule (EV_A); |
768 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
876 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
877 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
769 | } |
878 | } |
770 | } |
879 | } |
771 | else |
880 | else |
772 | #endif |
881 | #endif |
773 | { |
882 | { |
774 | ev_now = ev_time (); |
883 | rt_now = ev_time (); |
775 | |
884 | |
776 | if (expect_false (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
885 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
777 | { |
886 | { |
778 | periodics_reschedule (ev_now - now); |
887 | periodics_reschedule (EV_A); |
779 | |
888 | |
780 | /* adjust timers. this is easy, as the offset is the same for all */ |
889 | /* adjust timers. this is easy, as the offset is the same for all */ |
781 | for (i = 0; i < timercnt; ++i) |
890 | for (i = 0; i < timercnt; ++i) |
782 | timers [i]->at += diff; |
891 | timers [i]->at += rt_now - mn_now; |
783 | } |
892 | } |
784 | |
893 | |
785 | now = ev_now; |
894 | mn_now = rt_now; |
786 | } |
895 | } |
787 | } |
896 | } |
788 | |
897 | |
789 | int ev_loop_done; |
898 | void |
|
|
899 | ev_ref (EV_P) |
|
|
900 | { |
|
|
901 | ++activecnt; |
|
|
902 | } |
790 | |
903 | |
|
|
904 | void |
|
|
905 | ev_unref (EV_P) |
|
|
906 | { |
|
|
907 | --activecnt; |
|
|
908 | } |
|
|
909 | |
|
|
910 | static int loop_done; |
|
|
911 | |
|
|
912 | void |
791 | void ev_loop (int flags) |
913 | ev_loop (EV_P_ int flags) |
792 | { |
914 | { |
793 | double block; |
915 | double block; |
794 | ev_loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
916 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
795 | |
917 | |
796 | do |
918 | do |
797 | { |
919 | { |
798 | /* queue check watchers (and execute them) */ |
920 | /* queue check watchers (and execute them) */ |
799 | if (expect_false (preparecnt)) |
921 | if (expect_false (preparecnt)) |
800 | { |
922 | { |
801 | queue_events ((W *)prepares, preparecnt, EV_PREPARE); |
923 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
802 | call_pending (); |
924 | call_pending (EV_A); |
803 | } |
925 | } |
804 | |
926 | |
805 | /* update fd-related kernel structures */ |
927 | /* update fd-related kernel structures */ |
806 | fd_reify (); |
928 | fd_reify (EV_A); |
807 | |
929 | |
808 | /* calculate blocking time */ |
930 | /* calculate blocking time */ |
809 | |
931 | |
810 | /* we only need this for !monotonic clockor timers, but as we basically |
932 | /* we only need this for !monotonic clockor timers, but as we basically |
811 | always have timers, we just calculate it always */ |
933 | always have timers, we just calculate it always */ |
812 | #if EV_USE_MONOTONIC |
934 | #if EV_USE_MONOTONIC |
813 | if (expect_true (have_monotonic)) |
935 | if (expect_true (have_monotonic)) |
814 | time_update_monotonic (); |
936 | time_update_monotonic (EV_A); |
815 | else |
937 | else |
816 | #endif |
938 | #endif |
817 | { |
939 | { |
818 | ev_now = ev_time (); |
940 | rt_now = ev_time (); |
819 | now = ev_now; |
941 | mn_now = rt_now; |
820 | } |
942 | } |
821 | |
943 | |
822 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
944 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
823 | block = 0.; |
945 | block = 0.; |
824 | else |
946 | else |
825 | { |
947 | { |
826 | block = MAX_BLOCKTIME; |
948 | block = MAX_BLOCKTIME; |
827 | |
949 | |
828 | if (timercnt) |
950 | if (timercnt) |
829 | { |
951 | { |
830 | ev_tstamp to = timers [0]->at - now + method_fudge; |
952 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
831 | if (block > to) block = to; |
953 | if (block > to) block = to; |
832 | } |
954 | } |
833 | |
955 | |
834 | if (periodiccnt) |
956 | if (periodiccnt) |
835 | { |
957 | { |
836 | ev_tstamp to = periodics [0]->at - ev_now + method_fudge; |
958 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
837 | if (block > to) block = to; |
959 | if (block > to) block = to; |
838 | } |
960 | } |
839 | |
961 | |
840 | if (block < 0.) block = 0.; |
962 | if (block < 0.) block = 0.; |
841 | } |
963 | } |
842 | |
964 | |
843 | method_poll (block); |
965 | method_poll (EV_A_ block); |
844 | |
966 | |
845 | /* update ev_now, do magic */ |
967 | /* update rt_now, do magic */ |
846 | time_update (); |
968 | time_update (EV_A); |
847 | |
969 | |
848 | /* queue pending timers and reschedule them */ |
970 | /* queue pending timers and reschedule them */ |
849 | timers_reify (); /* relative timers called last */ |
971 | timers_reify (EV_A); /* relative timers called last */ |
850 | periodics_reify (); /* absolute timers called first */ |
972 | periodics_reify (EV_A); /* absolute timers called first */ |
851 | |
973 | |
852 | /* queue idle watchers unless io or timers are pending */ |
974 | /* queue idle watchers unless io or timers are pending */ |
853 | if (!pendingcnt) |
975 | if (!pendingcnt) |
854 | queue_events ((W *)idles, idlecnt, EV_IDLE); |
976 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
855 | |
977 | |
856 | /* queue check watchers, to be executed first */ |
978 | /* queue check watchers, to be executed first */ |
857 | if (checkcnt) |
979 | if (checkcnt) |
858 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
980 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
859 | |
981 | |
860 | call_pending (); |
982 | call_pending (EV_A); |
861 | } |
983 | } |
862 | while (!ev_loop_done); |
984 | while (activecnt && !loop_done); |
863 | |
985 | |
864 | if (ev_loop_done != 2) |
986 | if (loop_done != 2) |
865 | ev_loop_done = 0; |
987 | loop_done = 0; |
|
|
988 | } |
|
|
989 | |
|
|
990 | void |
|
|
991 | ev_unloop (EV_P_ int how) |
|
|
992 | { |
|
|
993 | loop_done = how; |
866 | } |
994 | } |
867 | |
995 | |
868 | /*****************************************************************************/ |
996 | /*****************************************************************************/ |
869 | |
997 | |
870 | static void |
998 | inline void |
871 | wlist_add (WL *head, WL elem) |
999 | wlist_add (WL *head, WL elem) |
872 | { |
1000 | { |
873 | elem->next = *head; |
1001 | elem->next = *head; |
874 | *head = elem; |
1002 | *head = elem; |
875 | } |
1003 | } |
876 | |
1004 | |
877 | static void |
1005 | inline void |
878 | wlist_del (WL *head, WL elem) |
1006 | wlist_del (WL *head, WL elem) |
879 | { |
1007 | { |
880 | while (*head) |
1008 | while (*head) |
881 | { |
1009 | { |
882 | if (*head == elem) |
1010 | if (*head == elem) |
… | |
… | |
887 | |
1015 | |
888 | head = &(*head)->next; |
1016 | head = &(*head)->next; |
889 | } |
1017 | } |
890 | } |
1018 | } |
891 | |
1019 | |
892 | static void |
1020 | inline void |
893 | ev_clear_pending (W w) |
1021 | ev_clear_pending (EV_P_ W w) |
894 | { |
1022 | { |
895 | if (w->pending) |
1023 | if (w->pending) |
896 | { |
1024 | { |
897 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1025 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
898 | w->pending = 0; |
1026 | w->pending = 0; |
899 | } |
1027 | } |
900 | } |
1028 | } |
901 | |
1029 | |
902 | static void |
1030 | inline void |
903 | ev_start (W w, int active) |
1031 | ev_start (EV_P_ W w, int active) |
904 | { |
1032 | { |
905 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1033 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
906 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
1034 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
907 | |
1035 | |
908 | w->active = active; |
1036 | w->active = active; |
|
|
1037 | ev_ref (EV_A); |
909 | } |
1038 | } |
910 | |
1039 | |
911 | static void |
1040 | inline void |
912 | ev_stop (W w) |
1041 | ev_stop (EV_P_ W w) |
913 | { |
1042 | { |
|
|
1043 | ev_unref (EV_A); |
914 | w->active = 0; |
1044 | w->active = 0; |
915 | } |
1045 | } |
916 | |
1046 | |
917 | /*****************************************************************************/ |
1047 | /*****************************************************************************/ |
918 | |
1048 | |
919 | void |
1049 | void |
920 | ev_io_start (struct ev_io *w) |
1050 | ev_io_start (EV_P_ struct ev_io *w) |
921 | { |
1051 | { |
922 | int fd = w->fd; |
1052 | int fd = w->fd; |
923 | |
1053 | |
924 | if (ev_is_active (w)) |
1054 | if (ev_is_active (w)) |
925 | return; |
1055 | return; |
926 | |
1056 | |
927 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1057 | assert (("ev_io_start called with negative fd", fd >= 0)); |
928 | |
1058 | |
929 | ev_start ((W)w, 1); |
1059 | ev_start (EV_A_ (W)w, 1); |
930 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1060 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
931 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1061 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
932 | |
1062 | |
933 | fd_change (fd); |
1063 | fd_change (EV_A_ fd); |
934 | } |
1064 | } |
935 | |
1065 | |
936 | void |
1066 | void |
937 | ev_io_stop (struct ev_io *w) |
1067 | ev_io_stop (EV_P_ struct ev_io *w) |
938 | { |
1068 | { |
939 | ev_clear_pending ((W)w); |
1069 | ev_clear_pending (EV_A_ (W)w); |
940 | if (!ev_is_active (w)) |
1070 | if (!ev_is_active (w)) |
941 | return; |
1071 | return; |
942 | |
1072 | |
943 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1073 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
944 | ev_stop ((W)w); |
1074 | ev_stop (EV_A_ (W)w); |
945 | |
1075 | |
946 | fd_change (w->fd); |
1076 | fd_change (EV_A_ w->fd); |
947 | } |
1077 | } |
948 | |
1078 | |
949 | void |
1079 | void |
950 | ev_timer_start (struct ev_timer *w) |
1080 | ev_timer_start (EV_P_ struct ev_timer *w) |
951 | { |
1081 | { |
952 | if (ev_is_active (w)) |
1082 | if (ev_is_active (w)) |
953 | return; |
1083 | return; |
954 | |
1084 | |
955 | w->at += now; |
1085 | w->at += mn_now; |
956 | |
1086 | |
957 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1087 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
958 | |
1088 | |
959 | ev_start ((W)w, ++timercnt); |
1089 | ev_start (EV_A_ (W)w, ++timercnt); |
960 | array_needsize (timers, timermax, timercnt, ); |
1090 | array_needsize (timers, timermax, timercnt, ); |
961 | timers [timercnt - 1] = w; |
1091 | timers [timercnt - 1] = w; |
962 | upheap ((WT *)timers, timercnt - 1); |
1092 | upheap ((WT *)timers, timercnt - 1); |
963 | } |
1093 | } |
964 | |
1094 | |
965 | void |
1095 | void |
966 | ev_timer_stop (struct ev_timer *w) |
1096 | ev_timer_stop (EV_P_ struct ev_timer *w) |
967 | { |
1097 | { |
968 | ev_clear_pending ((W)w); |
1098 | ev_clear_pending (EV_A_ (W)w); |
969 | if (!ev_is_active (w)) |
1099 | if (!ev_is_active (w)) |
970 | return; |
1100 | return; |
971 | |
1101 | |
972 | if (w->active < timercnt--) |
1102 | if (w->active < timercnt--) |
973 | { |
1103 | { |
… | |
… | |
975 | downheap ((WT *)timers, timercnt, w->active - 1); |
1105 | downheap ((WT *)timers, timercnt, w->active - 1); |
976 | } |
1106 | } |
977 | |
1107 | |
978 | w->at = w->repeat; |
1108 | w->at = w->repeat; |
979 | |
1109 | |
980 | ev_stop ((W)w); |
1110 | ev_stop (EV_A_ (W)w); |
981 | } |
1111 | } |
982 | |
1112 | |
983 | void |
1113 | void |
984 | ev_timer_again (struct ev_timer *w) |
1114 | ev_timer_again (EV_P_ struct ev_timer *w) |
985 | { |
1115 | { |
986 | if (ev_is_active (w)) |
1116 | if (ev_is_active (w)) |
987 | { |
1117 | { |
988 | if (w->repeat) |
1118 | if (w->repeat) |
989 | { |
1119 | { |
990 | w->at = now + w->repeat; |
1120 | w->at = mn_now + w->repeat; |
991 | downheap ((WT *)timers, timercnt, w->active - 1); |
1121 | downheap ((WT *)timers, timercnt, w->active - 1); |
992 | } |
1122 | } |
993 | else |
1123 | else |
994 | ev_timer_stop (w); |
1124 | ev_timer_stop (EV_A_ w); |
995 | } |
1125 | } |
996 | else if (w->repeat) |
1126 | else if (w->repeat) |
997 | ev_timer_start (w); |
1127 | ev_timer_start (EV_A_ w); |
998 | } |
1128 | } |
999 | |
1129 | |
1000 | void |
1130 | void |
1001 | ev_periodic_start (struct ev_periodic *w) |
1131 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1002 | { |
1132 | { |
1003 | if (ev_is_active (w)) |
1133 | if (ev_is_active (w)) |
1004 | return; |
1134 | return; |
1005 | |
1135 | |
1006 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1136 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1007 | |
1137 | |
1008 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1138 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1009 | if (w->interval) |
1139 | if (w->interval) |
1010 | w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; |
1140 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
1011 | |
1141 | |
1012 | ev_start ((W)w, ++periodiccnt); |
1142 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1013 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1143 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1014 | periodics [periodiccnt - 1] = w; |
1144 | periodics [periodiccnt - 1] = w; |
1015 | upheap ((WT *)periodics, periodiccnt - 1); |
1145 | upheap ((WT *)periodics, periodiccnt - 1); |
1016 | } |
1146 | } |
1017 | |
1147 | |
1018 | void |
1148 | void |
1019 | ev_periodic_stop (struct ev_periodic *w) |
1149 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1020 | { |
1150 | { |
1021 | ev_clear_pending ((W)w); |
1151 | ev_clear_pending (EV_A_ (W)w); |
1022 | if (!ev_is_active (w)) |
1152 | if (!ev_is_active (w)) |
1023 | return; |
1153 | return; |
1024 | |
1154 | |
1025 | if (w->active < periodiccnt--) |
1155 | if (w->active < periodiccnt--) |
1026 | { |
1156 | { |
1027 | periodics [w->active - 1] = periodics [periodiccnt]; |
1157 | periodics [w->active - 1] = periodics [periodiccnt]; |
1028 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1158 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1029 | } |
1159 | } |
1030 | |
1160 | |
1031 | ev_stop ((W)w); |
1161 | ev_stop (EV_A_ (W)w); |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | void |
|
|
1165 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1166 | { |
|
|
1167 | if (ev_is_active (w)) |
|
|
1168 | return; |
|
|
1169 | |
|
|
1170 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1171 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1172 | idles [idlecnt - 1] = w; |
|
|
1173 | } |
|
|
1174 | |
|
|
1175 | void |
|
|
1176 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1177 | { |
|
|
1178 | ev_clear_pending (EV_A_ (W)w); |
|
|
1179 | if (ev_is_active (w)) |
|
|
1180 | return; |
|
|
1181 | |
|
|
1182 | idles [w->active - 1] = idles [--idlecnt]; |
|
|
1183 | ev_stop (EV_A_ (W)w); |
|
|
1184 | } |
|
|
1185 | |
|
|
1186 | void |
|
|
1187 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1188 | { |
|
|
1189 | if (ev_is_active (w)) |
|
|
1190 | return; |
|
|
1191 | |
|
|
1192 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1193 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1194 | prepares [preparecnt - 1] = w; |
|
|
1195 | } |
|
|
1196 | |
|
|
1197 | void |
|
|
1198 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1199 | { |
|
|
1200 | ev_clear_pending (EV_A_ (W)w); |
|
|
1201 | if (ev_is_active (w)) |
|
|
1202 | return; |
|
|
1203 | |
|
|
1204 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1205 | ev_stop (EV_A_ (W)w); |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | void |
|
|
1209 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1210 | { |
|
|
1211 | if (ev_is_active (w)) |
|
|
1212 | return; |
|
|
1213 | |
|
|
1214 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1215 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1216 | checks [checkcnt - 1] = w; |
|
|
1217 | } |
|
|
1218 | |
|
|
1219 | void |
|
|
1220 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1221 | { |
|
|
1222 | ev_clear_pending (EV_A_ (W)w); |
|
|
1223 | if (ev_is_active (w)) |
|
|
1224 | return; |
|
|
1225 | |
|
|
1226 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
1227 | ev_stop (EV_A_ (W)w); |
1032 | } |
1228 | } |
1033 | |
1229 | |
1034 | #ifndef SA_RESTART |
1230 | #ifndef SA_RESTART |
1035 | # define SA_RESTART 0 |
1231 | # define SA_RESTART 0 |
1036 | #endif |
1232 | #endif |
1037 | |
1233 | |
1038 | void |
1234 | void |
1039 | ev_signal_start (struct ev_signal *w) |
1235 | ev_signal_start (EV_P_ struct ev_signal *w) |
1040 | { |
1236 | { |
|
|
1237 | #if EV_MULTIPLICITY |
|
|
1238 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
|
|
1239 | #endif |
1041 | if (ev_is_active (w)) |
1240 | if (ev_is_active (w)) |
1042 | return; |
1241 | return; |
1043 | |
1242 | |
1044 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1243 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1045 | |
1244 | |
1046 | ev_start ((W)w, 1); |
1245 | ev_start (EV_A_ (W)w, 1); |
1047 | array_needsize (signals, signalmax, w->signum, signals_init); |
1246 | array_needsize (signals, signalmax, w->signum, signals_init); |
1048 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1247 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1049 | |
1248 | |
1050 | if (!w->next) |
1249 | if (!w->next) |
1051 | { |
1250 | { |
… | |
… | |
1056 | sigaction (w->signum, &sa, 0); |
1255 | sigaction (w->signum, &sa, 0); |
1057 | } |
1256 | } |
1058 | } |
1257 | } |
1059 | |
1258 | |
1060 | void |
1259 | void |
1061 | ev_signal_stop (struct ev_signal *w) |
1260 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1062 | { |
1261 | { |
1063 | ev_clear_pending ((W)w); |
1262 | ev_clear_pending (EV_A_ (W)w); |
1064 | if (!ev_is_active (w)) |
1263 | if (!ev_is_active (w)) |
1065 | return; |
1264 | return; |
1066 | |
1265 | |
1067 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1266 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1068 | ev_stop ((W)w); |
1267 | ev_stop (EV_A_ (W)w); |
1069 | |
1268 | |
1070 | if (!signals [w->signum - 1].head) |
1269 | if (!signals [w->signum - 1].head) |
1071 | signal (w->signum, SIG_DFL); |
1270 | signal (w->signum, SIG_DFL); |
1072 | } |
1271 | } |
1073 | |
1272 | |
1074 | void |
1273 | void |
1075 | ev_idle_start (struct ev_idle *w) |
1274 | ev_child_start (EV_P_ struct ev_child *w) |
1076 | { |
1275 | { |
|
|
1276 | #if EV_MULTIPLICITY |
|
|
1277 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
|
|
1278 | #endif |
1077 | if (ev_is_active (w)) |
1279 | if (ev_is_active (w)) |
1078 | return; |
1280 | return; |
1079 | |
1281 | |
1080 | ev_start ((W)w, ++idlecnt); |
1282 | ev_start (EV_A_ (W)w, 1); |
1081 | array_needsize (idles, idlemax, idlecnt, ); |
1283 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1082 | idles [idlecnt - 1] = w; |
|
|
1083 | } |
1284 | } |
1084 | |
1285 | |
1085 | void |
1286 | void |
1086 | ev_idle_stop (struct ev_idle *w) |
1287 | ev_child_stop (EV_P_ struct ev_child *w) |
1087 | { |
1288 | { |
1088 | ev_clear_pending ((W)w); |
1289 | ev_clear_pending (EV_A_ (W)w); |
1089 | if (ev_is_active (w)) |
1290 | if (ev_is_active (w)) |
1090 | return; |
1291 | return; |
1091 | |
1292 | |
1092 | idles [w->active - 1] = idles [--idlecnt]; |
|
|
1093 | ev_stop ((W)w); |
|
|
1094 | } |
|
|
1095 | |
|
|
1096 | void |
|
|
1097 | ev_prepare_start (struct ev_prepare *w) |
|
|
1098 | { |
|
|
1099 | if (ev_is_active (w)) |
|
|
1100 | return; |
|
|
1101 | |
|
|
1102 | ev_start ((W)w, ++preparecnt); |
|
|
1103 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1104 | prepares [preparecnt - 1] = w; |
|
|
1105 | } |
|
|
1106 | |
|
|
1107 | void |
|
|
1108 | ev_prepare_stop (struct ev_prepare *w) |
|
|
1109 | { |
|
|
1110 | ev_clear_pending ((W)w); |
|
|
1111 | if (ev_is_active (w)) |
|
|
1112 | return; |
|
|
1113 | |
|
|
1114 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1115 | ev_stop ((W)w); |
|
|
1116 | } |
|
|
1117 | |
|
|
1118 | void |
|
|
1119 | ev_check_start (struct ev_check *w) |
|
|
1120 | { |
|
|
1121 | if (ev_is_active (w)) |
|
|
1122 | return; |
|
|
1123 | |
|
|
1124 | ev_start ((W)w, ++checkcnt); |
|
|
1125 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1126 | checks [checkcnt - 1] = w; |
|
|
1127 | } |
|
|
1128 | |
|
|
1129 | void |
|
|
1130 | ev_check_stop (struct ev_check *w) |
|
|
1131 | { |
|
|
1132 | ev_clear_pending ((W)w); |
|
|
1133 | if (ev_is_active (w)) |
|
|
1134 | return; |
|
|
1135 | |
|
|
1136 | checks [w->active - 1] = checks [--checkcnt]; |
|
|
1137 | ev_stop ((W)w); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | void |
|
|
1141 | ev_child_start (struct ev_child *w) |
|
|
1142 | { |
|
|
1143 | if (ev_is_active (w)) |
|
|
1144 | return; |
|
|
1145 | |
|
|
1146 | ev_start ((W)w, 1); |
|
|
1147 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | void |
|
|
1151 | ev_child_stop (struct ev_child *w) |
|
|
1152 | { |
|
|
1153 | ev_clear_pending ((W)w); |
|
|
1154 | if (ev_is_active (w)) |
|
|
1155 | return; |
|
|
1156 | |
|
|
1157 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1293 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1158 | ev_stop ((W)w); |
1294 | ev_stop (EV_A_ (W)w); |
1159 | } |
1295 | } |
1160 | |
1296 | |
1161 | /*****************************************************************************/ |
1297 | /*****************************************************************************/ |
1162 | |
1298 | |
1163 | struct ev_once |
1299 | struct ev_once |
… | |
… | |
1167 | void (*cb)(int revents, void *arg); |
1303 | void (*cb)(int revents, void *arg); |
1168 | void *arg; |
1304 | void *arg; |
1169 | }; |
1305 | }; |
1170 | |
1306 | |
1171 | static void |
1307 | static void |
1172 | once_cb (struct ev_once *once, int revents) |
1308 | once_cb (EV_P_ struct ev_once *once, int revents) |
1173 | { |
1309 | { |
1174 | void (*cb)(int revents, void *arg) = once->cb; |
1310 | void (*cb)(int revents, void *arg) = once->cb; |
1175 | void *arg = once->arg; |
1311 | void *arg = once->arg; |
1176 | |
1312 | |
1177 | ev_io_stop (&once->io); |
1313 | ev_io_stop (EV_A_ &once->io); |
1178 | ev_timer_stop (&once->to); |
1314 | ev_timer_stop (EV_A_ &once->to); |
1179 | free (once); |
1315 | free (once); |
1180 | |
1316 | |
1181 | cb (revents, arg); |
1317 | cb (revents, arg); |
1182 | } |
1318 | } |
1183 | |
1319 | |
1184 | static void |
1320 | static void |
1185 | once_cb_io (struct ev_io *w, int revents) |
1321 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
1186 | { |
1322 | { |
1187 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1323 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1188 | } |
1324 | } |
1189 | |
1325 | |
1190 | static void |
1326 | static void |
1191 | once_cb_to (struct ev_timer *w, int revents) |
1327 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
1192 | { |
1328 | { |
1193 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1329 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1194 | } |
1330 | } |
1195 | |
1331 | |
1196 | void |
1332 | void |
1197 | ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1333 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1198 | { |
1334 | { |
1199 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1335 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1200 | |
1336 | |
1201 | if (!once) |
1337 | if (!once) |
1202 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1338 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
… | |
… | |
1207 | |
1343 | |
1208 | ev_watcher_init (&once->io, once_cb_io); |
1344 | ev_watcher_init (&once->io, once_cb_io); |
1209 | if (fd >= 0) |
1345 | if (fd >= 0) |
1210 | { |
1346 | { |
1211 | ev_io_set (&once->io, fd, events); |
1347 | ev_io_set (&once->io, fd, events); |
1212 | ev_io_start (&once->io); |
1348 | ev_io_start (EV_A_ &once->io); |
1213 | } |
1349 | } |
1214 | |
1350 | |
1215 | ev_watcher_init (&once->to, once_cb_to); |
1351 | ev_watcher_init (&once->to, once_cb_to); |
1216 | if (timeout >= 0.) |
1352 | if (timeout >= 0.) |
1217 | { |
1353 | { |
1218 | ev_timer_set (&once->to, timeout, 0.); |
1354 | ev_timer_set (&once->to, timeout, 0.); |
1219 | ev_timer_start (&once->to); |
1355 | ev_timer_start (EV_A_ &once->to); |
1220 | } |
1356 | } |
1221 | } |
1357 | } |
1222 | } |
1358 | } |
1223 | |
1359 | |
1224 | /*****************************************************************************/ |
|
|
1225 | |
|
|
1226 | #if 0 |
|
|
1227 | |
|
|
1228 | struct ev_io wio; |
|
|
1229 | |
|
|
1230 | static void |
|
|
1231 | sin_cb (struct ev_io *w, int revents) |
|
|
1232 | { |
|
|
1233 | fprintf (stderr, "sin %d, revents %d\n", w->fd, revents); |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | static void |
|
|
1237 | ocb (struct ev_timer *w, int revents) |
|
|
1238 | { |
|
|
1239 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
|
|
1240 | ev_timer_stop (w); |
|
|
1241 | ev_timer_start (w); |
|
|
1242 | } |
|
|
1243 | |
|
|
1244 | static void |
|
|
1245 | scb (struct ev_signal *w, int revents) |
|
|
1246 | { |
|
|
1247 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
|
|
1248 | ev_io_stop (&wio); |
|
|
1249 | ev_io_start (&wio); |
|
|
1250 | } |
|
|
1251 | |
|
|
1252 | static void |
|
|
1253 | gcb (struct ev_signal *w, int revents) |
|
|
1254 | { |
|
|
1255 | fprintf (stderr, "generic %x\n", revents); |
|
|
1256 | |
|
|
1257 | } |
|
|
1258 | |
|
|
1259 | int main (void) |
|
|
1260 | { |
|
|
1261 | ev_init (0); |
|
|
1262 | |
|
|
1263 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
|
|
1264 | ev_io_start (&wio); |
|
|
1265 | |
|
|
1266 | struct ev_timer t[10000]; |
|
|
1267 | |
|
|
1268 | #if 0 |
|
|
1269 | int i; |
|
|
1270 | for (i = 0; i < 10000; ++i) |
|
|
1271 | { |
|
|
1272 | struct ev_timer *w = t + i; |
|
|
1273 | ev_watcher_init (w, ocb, i); |
|
|
1274 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
|
|
1275 | ev_timer_start (w); |
|
|
1276 | if (drand48 () < 0.5) |
|
|
1277 | ev_timer_stop (w); |
|
|
1278 | } |
|
|
1279 | #endif |
|
|
1280 | |
|
|
1281 | struct ev_timer t1; |
|
|
1282 | ev_timer_init (&t1, ocb, 5, 10); |
|
|
1283 | ev_timer_start (&t1); |
|
|
1284 | |
|
|
1285 | struct ev_signal sig; |
|
|
1286 | ev_signal_init (&sig, scb, SIGQUIT); |
|
|
1287 | ev_signal_start (&sig); |
|
|
1288 | |
|
|
1289 | struct ev_check cw; |
|
|
1290 | ev_check_init (&cw, gcb); |
|
|
1291 | ev_check_start (&cw); |
|
|
1292 | |
|
|
1293 | struct ev_idle iw; |
|
|
1294 | ev_idle_init (&iw, gcb); |
|
|
1295 | ev_idle_start (&iw); |
|
|
1296 | |
|
|
1297 | ev_loop (0); |
|
|
1298 | |
|
|
1299 | return 0; |
|
|
1300 | } |
|
|
1301 | |
|
|
1302 | #endif |
|
|
1303 | |
|
|
1304 | |
|
|
1305 | |
|
|
1306 | |
|
|