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Comparing libev/ev.c (file contents):
Revision 1.3 by root, Tue Oct 30 21:45:00 2007 UTC vs.
Revision 1.10 by root, Wed Oct 31 07:36:03 2007 UTC

1#include <math.h> 1#include <math.h>
2#include <stdlib.h> 2#include <stdlib.h>
3#include <unistd.h>
4#include <fcntl.h>
5#include <signal.h>
3 6
4#include <stdio.h> 7#include <stdio.h>
5 8
9#include <assert.h>
6#include <errno.h> 10#include <errno.h>
7#include <sys/time.h> 11#include <sys/time.h>
8#include <time.h> 12#include <time.h>
9 13
14#ifndef HAVE_MONOTONIC
10#ifdef CLOCK_MONOTONIC 15# ifdef CLOCK_MONOTONIC
11# define HAVE_MONOTONIC 1 16# define HAVE_MONOTONIC 1
12#endif 17# endif
18#endif
13 19
14#define HAVE_EPOLL 1 20#ifndef HAVE_SELECT
15#define HAVE_REALTIME 1
16#define HAVE_SELECT 0 21# define HAVE_SELECT 1
22#endif
17 23
24#ifndef HAVE_EPOLL
25# define HAVE_EPOLL 0
26#endif
27
28#ifndef HAVE_REALTIME
29# define HAVE_REALTIME 1 /* posix requirement, but might be slower */
30#endif
31
32#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
18#define MAX_BLOCKTIME 60. 33#define MAX_BLOCKTIME 60.
19 34
20#include "ev.h" 35#include "ev.h"
21 36
22struct ev_watcher { 37struct ev_watcher {
… …
25 40
26struct ev_watcher_list { 41struct ev_watcher_list {
27 EV_WATCHER_LIST (ev_watcher_list); 42 EV_WATCHER_LIST (ev_watcher_list);
28}; 43};
29 44
45typedef struct ev_watcher *W;
46typedef struct ev_watcher_list *WL;
47
48static ev_tstamp now, diff; /* monotonic clock */
30ev_tstamp ev_now; 49ev_tstamp ev_now;
31int ev_method; 50int ev_method;
32 51
33static int have_monotonic; /* runtime */ 52static int have_monotonic; /* runtime */
34 53
35static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ 54static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */
36static void (*method_reify)(void); 55static void (*method_modify)(int fd, int oev, int nev);
37static void (*method_poll)(ev_tstamp timeout); 56static void (*method_poll)(ev_tstamp timeout);
57
58/*****************************************************************************/
38 59
39ev_tstamp 60ev_tstamp
40ev_time (void) 61ev_time (void)
41{ 62{
42#if HAVE_REALTIME 63#if HAVE_REALTIME
… …
73 base = realloc (base, sizeof (*base) * (newcnt)); \ 94 base = realloc (base, sizeof (*base) * (newcnt)); \
74 init (base + cur, newcnt - cur); \ 95 init (base + cur, newcnt - cur); \
75 cur = newcnt; \ 96 cur = newcnt; \
76 } 97 }
77 98
99/*****************************************************************************/
100
78typedef struct 101typedef struct
79{ 102{
80 struct ev_io *head; 103 struct ev_io *head;
81 unsigned char wev, rev; /* want, received event set */ 104 unsigned char wev, rev; /* want, received event set */
82} ANFD; 105} ANFD;
… …
98 } 121 }
99} 122}
100 123
101typedef struct 124typedef struct
102{ 125{
103 struct ev_watcher *w; 126 W w;
104 int events; 127 int events;
105} ANPENDING; 128} ANPENDING;
106 129
107static ANPENDING *pendings; 130static ANPENDING *pendings;
108static int pendingmax, pendingcnt; 131static int pendingmax, pendingcnt;
109 132
110static void 133static void
111event (struct ev_watcher *w, int events) 134event (W w, int events)
112{ 135{
113 w->pending = ++pendingcnt; 136 w->pending = ++pendingcnt;
114 array_needsize (pendings, pendingmax, pendingcnt, ); 137 array_needsize (pendings, pendingmax, pendingcnt, );
115 pendings [pendingcnt - 1].w = w; 138 pendings [pendingcnt - 1].w = w;
116 pendings [pendingcnt - 1].events = events; 139 pendings [pendingcnt - 1].events = events;
… …
125 for (w = anfd->head; w; w = w->next) 148 for (w = anfd->head; w; w = w->next)
126 { 149 {
127 int ev = w->events & events; 150 int ev = w->events & events;
128 151
129 if (ev) 152 if (ev)
130 event ((struct ev_watcher *)w, ev); 153 event ((W)w, ev);
131 } 154 }
132} 155}
133 156
157static void
158queue_events (W *events, int eventcnt, int type)
159{
160 int i;
161
162 for (i = 0; i < eventcnt; ++i)
163 event (events [i], type);
164}
165
166/*****************************************************************************/
167
134static struct ev_timer **timers; 168static struct ev_timer **atimers;
135static int timermax, timercnt; 169static int atimermax, atimercnt;
136 170
171static struct ev_timer **rtimers;
172static int rtimermax, rtimercnt;
173
137static void 174static void
138upheap (int k) 175upheap (struct ev_timer **timers, int k)
139{ 176{
140 struct ev_timer *w = timers [k]; 177 struct ev_timer *w = timers [k];
141 178
142 while (k && timers [k >> 1]->at > w->at) 179 while (k && timers [k >> 1]->at > w->at)
143 { 180 {
… …
150 timers [k]->active = k + 1; 187 timers [k]->active = k + 1;
151 188
152} 189}
153 190
154static void 191static void
155downheap (int k) 192downheap (struct ev_timer **timers, int N, int k)
156{ 193{
157 struct ev_timer *w = timers [k]; 194 struct ev_timer *w = timers [k];
158 195
159 while (k < (timercnt >> 1)) 196 while (k < (N >> 1))
160 { 197 {
161 int j = k << 1; 198 int j = k << 1;
162 199
163 if (j + 1 < timercnt && timers [j]->at > timers [j + 1]->at) 200 if (j + 1 < N && timers [j]->at > timers [j + 1]->at)
164 ++j; 201 ++j;
165 202
166 if (w->at <= timers [j]->at) 203 if (w->at <= timers [j]->at)
167 break; 204 break;
168 205
… …
173 210
174 timers [k] = w; 211 timers [k] = w;
175 timers [k]->active = k + 1; 212 timers [k]->active = k + 1;
176} 213}
177 214
178static struct ev_signal **signals; 215/*****************************************************************************/
216
217typedef struct
218{
219 struct ev_signal *head;
220 sig_atomic_t gotsig;
221} ANSIG;
222
223static ANSIG *signals;
179static int signalmax, signalcnt; 224static int signalmax;
180 225
226static int sigpipe [2];
227static sig_atomic_t gotsig;
228static struct ev_io sigev;
229
181static void 230static void
182signals_init (struct ev_signal **base, int count) 231signals_init (ANSIG *base, int count)
183{ 232{
184 while (count--) 233 while (count--)
185 *base++ = 0; 234 {
235 base->head = 0;
236 base->gotsig = 0;
237 ++base;
238 }
186} 239}
240
241static void
242sighandler (int signum)
243{
244 signals [signum - 1].gotsig = 1;
245
246 if (!gotsig)
247 {
248 gotsig = 1;
249 write (sigpipe [1], &gotsig, 1);
250 }
251}
252
253static void
254sigcb (struct ev_io *iow, int revents)
255{
256 struct ev_signal *w;
257 int sig;
258
259 gotsig = 0;
260 read (sigpipe [0], &revents, 1);
261
262 for (sig = signalmax; sig--; )
263 if (signals [sig].gotsig)
264 {
265 signals [sig].gotsig = 0;
266
267 for (w = signals [sig].head; w; w = w->next)
268 event ((W)w, EV_SIGNAL);
269 }
270}
271
272static void
273siginit (void)
274{
275 fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC);
276 fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC);
277
278 /* rather than sort out wether we really need nb, set it */
279 fcntl (sigpipe [0], F_SETFL, O_NONBLOCK);
280 fcntl (sigpipe [1], F_SETFL, O_NONBLOCK);
281
282 evio_set (&sigev, sigpipe [0], EV_READ);
283 evio_start (&sigev);
284}
285
286/*****************************************************************************/
287
288static struct ev_idle **idles;
289static int idlemax, idlecnt;
290
291static struct ev_check **checks;
292static int checkmax, checkcnt;
293
294/*****************************************************************************/
187 295
188#if HAVE_EPOLL 296#if HAVE_EPOLL
189# include "ev_epoll.c" 297# include "ev_epoll.c"
190#endif 298#endif
191#if HAVE_SELECT 299#if HAVE_SELECT
… …
201 have_monotonic = 1; 309 have_monotonic = 1;
202 } 310 }
203#endif 311#endif
204 312
205 ev_now = ev_time (); 313 ev_now = ev_time ();
314 now = get_clock ();
315 diff = ev_now - now;
206 316
317 if (pipe (sigpipe))
318 return 0;
319
320 ev_method = EVMETHOD_NONE;
207#if HAVE_EPOLL 321#if HAVE_EPOLL
208 if (epoll_init (flags)) 322 if (ev_method == EVMETHOD_NONE) epoll_init (flags);
209 return ev_method;
210#endif 323#endif
211#if HAVE_SELECT 324#if HAVE_SELECT
212 if (select_init (flags)) 325 if (ev_method == EVMETHOD_NONE) select_init (flags);
213 return ev_method;
214#endif 326#endif
215 327
216 ev_method = EVMETHOD_NONE; 328 if (ev_method)
329 {
330 evw_init (&sigev, sigcb, 0);
331 siginit ();
332 }
333
217 return ev_method; 334 return ev_method;
218} 335}
219 336
337/*****************************************************************************/
338
220void ev_prefork (void) 339void ev_prefork (void)
221{ 340{
222} 341}
223 342
224void ev_postfork_parent (void) 343void ev_postfork_parent (void)
… …
226} 345}
227 346
228void ev_postfork_child (void) 347void ev_postfork_child (void)
229{ 348{
230#if HAVE_EPOLL 349#if HAVE_EPOLL
350 if (ev_method == EVMETHOD_EPOLL)
231 epoll_postfork_child (); 351 epoll_postfork_child ();
232#endif 352#endif
353
354 evio_stop (&sigev);
355 close (sigpipe [0]);
356 close (sigpipe [1]);
357 pipe (sigpipe);
358 siginit ();
359}
360
361/*****************************************************************************/
362
363static void
364fd_reify (void)
365{
366 int i;
367
368 for (i = 0; i < fdchangecnt; ++i)
369 {
370 int fd = fdchanges [i];
371 ANFD *anfd = anfds + fd;
372 struct ev_io *w;
373
374 int wev = 0;
375
376 for (w = anfd->head; w; w = w->next)
377 wev |= w->events;
378
379 if (anfd->wev != wev)
380 {
381 method_modify (fd, anfd->wev, wev);
382 anfd->wev = wev;
383 }
384 }
385
386 fdchangecnt = 0;
233} 387}
234 388
235static void 389static void
236call_pending () 390call_pending ()
237{ 391{
… …
250 404
251 pendingcnt = 0; 405 pendingcnt = 0;
252} 406}
253 407
254static void 408static void
255timer_reify (void) 409timers_reify (struct ev_timer **timers, int timercnt, ev_tstamp now)
256{ 410{
257 while (timercnt && timers [0]->at <= ev_now) 411 while (timercnt && timers [0]->at <= now)
258 { 412 {
259 struct ev_timer *w = timers [0]; 413 struct ev_timer *w = timers [0];
260 414
261 /* first reschedule timer */ 415 /* first reschedule or stop timer */
262 if (w->repeat) 416 if (w->repeat)
263 { 417 {
264 if (w->is_abs) 418 if (w->is_abs)
265 w->at += ceil ((ev_now - w->at) / w->repeat + 1.) * w->repeat; 419 w->at += floor ((now - w->at) / w->repeat + 1.) * w->repeat;
266 else 420 else
267 w->at = ev_now + w->repeat; 421 w->at = now + w->repeat;
268 422
269 downheap (0); 423 assert (w->at > now);
424
425 downheap (timers, timercnt, 0);
270 } 426 }
271 else 427 else
428 {
272 evtimer_stop (w); /* nonrepeating: stop timer */ 429 evtimer_stop (w); /* nonrepeating: stop timer */
430 --timercnt; /* maybe pass by reference instead? */
431 }
273 432
274 event ((struct ev_watcher *)w, EV_TIMEOUT); 433 event ((W)w, EV_TIMEOUT);
434 }
435}
436
437static void
438time_update ()
439{
440 int i;
441 ev_now = ev_time ();
442
443 if (have_monotonic)
444 {
445 ev_tstamp odiff = diff;
446
447 /* detecting time jumps is much more difficult */
448 for (i = 2; --i; ) /* loop a few times, before making important decisions */
449 {
450 now = get_clock ();
451 diff = ev_now - now;
452
453 if (fabs (odiff - diff) < MIN_TIMEJUMP)
454 return; /* all is well */
455
456 ev_now = ev_time ();
457 }
458
459 /* time jump detected, reschedule atimers */
460 for (i = 0; i < atimercnt; ++i)
461 {
462 struct ev_timer *w = atimers [i];
463 w->at += ceil ((ev_now - w->at) / w->repeat + 1.) * w->repeat;
464 }
465 }
466 else
467 {
468 if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP)
469 /* time jump detected, adjust rtimers */
470 for (i = 0; i < rtimercnt; ++i)
471 rtimers [i]->at += ev_now - now;
472
473 now = ev_now;
275 } 474 }
276} 475}
277 476
278int ev_loop_done; 477int ev_loop_done;
279 478
280int ev_loop (int flags) 479void ev_loop (int flags)
281{ 480{
282 double block; 481 double block;
283 ev_loop_done = flags & EVLOOP_ONESHOT; 482 ev_loop_done = flags & EVLOOP_ONESHOT;
284 483
484 if (checkcnt)
485 {
486 queue_events ((W *)checks, checkcnt, EV_CHECK);
487 call_pending ();
488 }
489
285 do 490 do
286 { 491 {
287 /* update fd-related kernel structures */ 492 /* update fd-related kernel structures */
288 method_reify (); fdchangecnt = 0; 493 fd_reify ();
289 494
290 /* calculate blocking time */ 495 /* calculate blocking time */
291 ev_now = ev_time ();
292
293 if (flags & EVLOOP_NONBLOCK) 496 if (flags & EVLOOP_NONBLOCK || idlecnt)
294 block = 0.; 497 block = 0.;
295 else if (!timercnt)
296 block = MAX_BLOCKTIME;
297 else 498 else
298 { 499 {
500 block = MAX_BLOCKTIME;
501
502 if (rtimercnt)
503 {
299 block = timers [0]->at - ev_now + method_fudge; 504 ev_tstamp to = rtimers [0]->at - get_clock () + method_fudge;
505 if (block > to) block = to;
506 }
507
508 if (atimercnt)
509 {
510 ev_tstamp to = atimers [0]->at - ev_time () + method_fudge;
511 if (block > to) block = to;
512 }
513
300 if (block < 0.) block = 0.; 514 if (block < 0.) block = 0.;
301 else if (block > MAX_BLOCKTIME) block = MAX_BLOCKTIME;
302 } 515 }
303 516
304 method_poll (block); 517 method_poll (block);
305 518
519 /* update ev_now, do magic */
520 time_update ();
521
306 /* put pending timers into pendign queue and reschedule them */ 522 /* queue pending timers and reschedule them */
307 timer_reify (); 523 /* absolute timers first */
524 timers_reify (atimers, atimercnt, ev_now);
525 /* relative timers second */
526 timers_reify (rtimers, rtimercnt, now);
308 527
309 ev_now = ev_time (); 528 /* queue idle watchers unless io or timers are pending */
529 if (!pendingcnt)
530 queue_events ((W *)idles, idlecnt, EV_IDLE);
531
532 /* queue check and possibly idle watchers */
533 queue_events ((W *)checks, checkcnt, EV_CHECK);
534
310 call_pending (); 535 call_pending ();
311 } 536 }
312 while (!ev_loop_done); 537 while (!ev_loop_done);
313} 538}
314 539
540/*****************************************************************************/
541
315static void 542static void
316wlist_add (struct ev_watcher_list **head, struct ev_watcher_list *elem) 543wlist_add (WL *head, WL elem)
317{ 544{
318 elem->next = *head; 545 elem->next = *head;
319 *head = elem; 546 *head = elem;
320} 547}
321 548
322static void 549static void
323wlist_del (struct ev_watcher_list **head, struct ev_watcher_list *elem) 550wlist_del (WL *head, WL elem)
324{ 551{
325 while (*head) 552 while (*head)
326 { 553 {
327 if (*head == elem) 554 if (*head == elem)
328 { 555 {
… …
333 head = &(*head)->next; 560 head = &(*head)->next;
334 } 561 }
335} 562}
336 563
337static void 564static void
338ev_start (struct ev_watcher *w, int active) 565ev_start (W w, int active)
339{ 566{
340 w->pending = 0; 567 w->pending = 0;
341 w->active = active; 568 w->active = active;
342} 569}
343 570
344static void 571static void
345ev_stop (struct ev_watcher *w) 572ev_stop (W w)
346{ 573{
347 if (w->pending) 574 if (w->pending)
348 pendings [w->pending - 1].w = 0; 575 pendings [w->pending - 1].w = 0;
349 576
350 w->active = 0; 577 w->active = 0;
351 /* nop */ 578 /* nop */
352} 579}
353 580
581/*****************************************************************************/
582
354void 583void
355evio_start (struct ev_io *w) 584evio_start (struct ev_io *w)
356{ 585{
357 if (ev_is_active (w)) 586 if (ev_is_active (w))
358 return; 587 return;
359 588
360 int fd = w->fd; 589 int fd = w->fd;
361 590
362 ev_start ((struct ev_watcher *)w, 1); 591 ev_start ((W)w, 1);
363 array_needsize (anfds, anfdmax, fd + 1, anfds_init); 592 array_needsize (anfds, anfdmax, fd + 1, anfds_init);
364 wlist_add ((struct ev_watcher_list **)&anfds[fd].head, (struct ev_watcher_list *)w); 593 wlist_add ((WL *)&anfds[fd].head, (WL)w);
365 594
366 ++fdchangecnt; 595 ++fdchangecnt;
367 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 596 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
368 fdchanges [fdchangecnt - 1] = fd; 597 fdchanges [fdchangecnt - 1] = fd;
369} 598}
… …
372evio_stop (struct ev_io *w) 601evio_stop (struct ev_io *w)
373{ 602{
374 if (!ev_is_active (w)) 603 if (!ev_is_active (w))
375 return; 604 return;
376 605
377 wlist_del ((struct ev_watcher_list **)&anfds[w->fd].head, (struct ev_watcher_list *)w); 606 wlist_del ((WL *)&anfds[w->fd].head, (WL)w);
378 ev_stop ((struct ev_watcher *)w); 607 ev_stop ((W)w);
379 608
380 ++fdchangecnt; 609 ++fdchangecnt;
381 array_needsize (fdchanges, fdchangemax, fdchangecnt, ); 610 array_needsize (fdchanges, fdchangemax, fdchangecnt, );
382 fdchanges [fdchangecnt - 1] = w->fd; 611 fdchanges [fdchangecnt - 1] = w->fd;
383} 612}
… …
391 if (w->is_abs) 620 if (w->is_abs)
392 { 621 {
393 /* this formula differs from the one in timer_reify becuse we do not round up */ 622 /* this formula differs from the one in timer_reify becuse we do not round up */
394 if (w->repeat) 623 if (w->repeat)
395 w->at += ceil ((ev_now - w->at) / w->repeat) * w->repeat; 624 w->at += ceil ((ev_now - w->at) / w->repeat) * w->repeat;
625
626 ev_start ((W)w, ++atimercnt);
627 array_needsize (atimers, atimermax, atimercnt, );
628 atimers [atimercnt - 1] = w;
629 upheap (atimers, atimercnt - 1);
396 } 630 }
397 else 631 else
632 {
398 w->at += ev_now; 633 w->at += now;
399 634
400 ev_start ((struct ev_watcher *)w, ++timercnt); 635 ev_start ((W)w, ++rtimercnt);
401 array_needsize (timers, timermax, timercnt, ); 636 array_needsize (rtimers, rtimermax, rtimercnt, );
402 timers [timercnt - 1] = w; 637 rtimers [rtimercnt - 1] = w;
403 upheap (timercnt - 1); 638 upheap (rtimers, rtimercnt - 1);
639 }
640
404} 641}
405 642
406void 643void
407evtimer_stop (struct ev_timer *w) 644evtimer_stop (struct ev_timer *w)
408{ 645{
409 if (!ev_is_active (w)) 646 if (!ev_is_active (w))
410 return; 647 return;
411 648
649 if (w->is_abs)
650 {
412 if (w->active < timercnt--) 651 if (w->active < atimercnt--)
413 { 652 {
414 timers [w->active - 1] = timers [timercnt]; 653 atimers [w->active - 1] = atimers [atimercnt];
415 downheap (w->active - 1); 654 downheap (atimers, atimercnt, w->active - 1);
655 }
656 }
657 else
416 } 658 {
659 if (w->active < rtimercnt--)
660 {
661 rtimers [w->active - 1] = rtimers [rtimercnt];
662 downheap (rtimers, rtimercnt, w->active - 1);
663 }
664 }
417 665
418 ev_stop ((struct ev_watcher *)w); 666 ev_stop ((W)w);
419} 667}
420 668
421void 669void
422evsignal_start (struct ev_signal *w) 670evsignal_start (struct ev_signal *w)
423{ 671{
424 if (ev_is_active (w)) 672 if (ev_is_active (w))
425 return; 673 return;
426 674
427 ev_start ((struct ev_watcher *)w, 1); 675 ev_start ((W)w, 1);
428 array_needsize (signals, signalmax, w->signum, signals_init); 676 array_needsize (signals, signalmax, w->signum, signals_init);
429 wlist_add ((struct ev_watcher_list **)&signals [w->signum - 1], (struct ev_watcher_list *)w); 677 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
678
679 if (!w->next)
680 {
681 struct sigaction sa;
682 sa.sa_handler = sighandler;
683 sigfillset (&sa.sa_mask);
684 sa.sa_flags = 0;
685 sigaction (w->signum, &sa, 0);
686 }
430} 687}
431 688
432void 689void
433evsignal_stop (struct ev_signal *w) 690evsignal_stop (struct ev_signal *w)
434{ 691{
435 if (!ev_is_active (w)) 692 if (!ev_is_active (w))
436 return; 693 return;
437 694
438 wlist_del ((struct ev_watcher_list **)&signals [w->signum - 1], (struct ev_watcher_list *)w); 695 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w);
439 ev_stop ((struct ev_watcher *)w); 696 ev_stop ((W)w);
440}
441 697
698 if (!signals [w->signum - 1].head)
699 signal (w->signum, SIG_DFL);
700}
701
702void evidle_start (struct ev_idle *w)
703{
704 if (ev_is_active (w))
705 return;
706
707 ev_start ((W)w, ++idlecnt);
708 array_needsize (idles, idlemax, idlecnt, );
709 idles [idlecnt - 1] = w;
710}
711
712void evidle_stop (struct ev_idle *w)
713{
714 idles [w->active - 1] = idles [--idlecnt];
715 ev_stop ((W)w);
716}
717
718void evcheck_start (struct ev_check *w)
719{
720 if (ev_is_active (w))
721 return;
722
723 ev_start ((W)w, ++checkcnt);
724 array_needsize (checks, checkmax, checkcnt, );
725 checks [checkcnt - 1] = w;
726}
727
728void evcheck_stop (struct ev_check *w)
729{
730 checks [w->active - 1] = checks [--checkcnt];
731 ev_stop ((W)w);
732}
733
442/*****************************************************************************/ 734/*****************************************************************************/
735
443#if 1 736#if 0
444 737
445static void 738static void
446sin_cb (struct ev_io *w, int revents) 739sin_cb (struct ev_io *w, int revents)
447{ 740{
448 fprintf (stderr, "sin %d, revents %d\n", w->fd, revents); 741 fprintf (stderr, "sin %d, revents %d\n", w->fd, revents);
449} 742}
450 743
451static void 744static void
452ocb (struct ev_timer *w, int revents) 745ocb (struct ev_timer *w, int revents)
453{ 746{
454 fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); 747 //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data);
748 evtimer_stop (w);
749 evtimer_start (w);
750}
751
752static void
753scb (struct ev_signal *w, int revents)
754{
755 fprintf (stderr, "signal %x,%d\n", revents, w->signum);
756}
757
758static void
759gcb (struct ev_signal *w, int revents)
760{
761 fprintf (stderr, "generic %x\n", revents);
455} 762}
456 763
457int main (void) 764int main (void)
458{ 765{
459 struct ev_io sin; 766 struct ev_io sin;
… …
462 769
463 evw_init (&sin, sin_cb, 55); 770 evw_init (&sin, sin_cb, 55);
464 evio_set (&sin, 0, EV_READ); 771 evio_set (&sin, 0, EV_READ);
465 evio_start (&sin); 772 evio_start (&sin);
466 773
467 struct ev_timer t[1000]; 774 struct ev_timer t[10000];
468 775
776#if 0
469 int i; 777 int i;
470 for (i = 0; i < 1000; ++i) 778 for (i = 0; i < 10000; ++i)
471 { 779 {
472 struct ev_timer *w = t + i; 780 struct ev_timer *w = t + i;
473 evw_init (w, ocb, i); 781 evw_init (w, ocb, i);
474 evtimer_set_rel (w, drand48 (), 0); 782 evtimer_set_abs (w, drand48 (), 0.99775533);
475 evtimer_start (w); 783 evtimer_start (w);
476 if (drand48 () < 0.5) 784 if (drand48 () < 0.5)
477 evtimer_stop (w); 785 evtimer_stop (w);
478 } 786 }
787#endif
788
789 struct ev_timer t1;
790 evw_init (&t1, ocb, 0);
791 evtimer_set_abs (&t1, 5, 10);
792 evtimer_start (&t1);
793
794 struct ev_signal sig;
795 evw_init (&sig, scb, 65535);
796 evsignal_set (&sig, SIGQUIT);
797 evsignal_start (&sig);
798
799 struct ev_check cw;
800 evw_init (&cw, gcb, 0);
801 evcheck_start (&cw);
802
803 struct ev_idle iw;
804 evw_init (&iw, gcb, 0);
805 evidle_start (&iw);
479 806
480 ev_loop (0); 807 ev_loop (0);
481 808
482 return 0; 809 return 0;
483} 810}

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