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Comparing libev/ev.c (file contents):
Revision 1.167 by root, Sat Dec 8 04:02:31 2007 UTC vs.
Revision 1.197 by root, Sat Dec 22 15:20:13 2007 UTC

… …
51# ifndef EV_USE_MONOTONIC 51# ifndef EV_USE_MONOTONIC
52# define EV_USE_MONOTONIC 0 52# define EV_USE_MONOTONIC 0
53# endif 53# endif
54# ifndef EV_USE_REALTIME 54# ifndef EV_USE_REALTIME
55# define EV_USE_REALTIME 0 55# define EV_USE_REALTIME 0
56# endif
57# endif
58
59# ifndef EV_USE_NANOSLEEP
60# if HAVE_NANOSLEEP
61# define EV_USE_NANOSLEEP 1
62# else
63# define EV_USE_NANOSLEEP 0
56# endif 64# endif
57# endif 65# endif
58 66
59# ifndef EV_USE_SELECT 67# ifndef EV_USE_SELECT
60# if HAVE_SELECT && HAVE_SYS_SELECT_H 68# if HAVE_SELECT && HAVE_SYS_SELECT_H
… …
146 154
147#ifndef EV_USE_REALTIME 155#ifndef EV_USE_REALTIME
148# define EV_USE_REALTIME 0 156# define EV_USE_REALTIME 0
149#endif 157#endif
150 158
159#ifndef EV_USE_NANOSLEEP
160# define EV_USE_NANOSLEEP 0
161#endif
162
151#ifndef EV_USE_SELECT 163#ifndef EV_USE_SELECT
152# define EV_USE_SELECT 1 164# define EV_USE_SELECT 1
153#endif 165#endif
154 166
155#ifndef EV_USE_POLL 167#ifndef EV_USE_POLL
… …
202#ifndef CLOCK_REALTIME 214#ifndef CLOCK_REALTIME
203# undef EV_USE_REALTIME 215# undef EV_USE_REALTIME
204# define EV_USE_REALTIME 0 216# define EV_USE_REALTIME 0
205#endif 217#endif
206 218
219#if !EV_STAT_ENABLE
220# undef EV_USE_INOTIFY
221# define EV_USE_INOTIFY 0
222#endif
223
224#if !EV_USE_NANOSLEEP
225# ifndef _WIN32
226# include <sys/select.h>
227# endif
228#endif
229
230#if EV_USE_INOTIFY
231# include <sys/inotify.h>
232#endif
233
207#if EV_SELECT_IS_WINSOCKET 234#if EV_SELECT_IS_WINSOCKET
208# include <winsock.h> 235# include <winsock.h>
209#endif 236#endif
210 237
211#if !EV_STAT_ENABLE
212# define EV_USE_INOTIFY 0
213#endif
214
215#if EV_USE_INOTIFY
216# include <sys/inotify.h>
217#endif
218
219/**/ 238/**/
239
240/*
241 * This is used to avoid floating point rounding problems.
242 * It is added to ev_rt_now when scheduling periodics
243 * to ensure progress, time-wise, even when rounding
244 * errors are against us.
245 * This value is good at least till the year 4000.
246 * Better solutions welcome.
247 */
248#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
220 249
221#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 250#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
222#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 251#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
223/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ 252/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
224 253
225#if __GNUC__ >= 3 254#if __GNUC__ >= 4
226# define expect(expr,value) __builtin_expect ((expr),(value)) 255# define expect(expr,value) __builtin_expect ((expr),(value))
227# define inline_size static inline /* inline for codesize */
228# if EV_MINIMAL
229# define noinline __attribute__ ((noinline)) 256# define noinline __attribute__ ((noinline))
230# define inline_speed static noinline
231# else
232# define noinline
233# define inline_speed static inline
234# endif
235#else 257#else
236# define expect(expr,value) (expr) 258# define expect(expr,value) (expr)
237# define inline_speed static
238# define inline_size static
239# define noinline 259# define noinline
260# if __STDC_VERSION__ < 199901L
261# define inline
262# endif
240#endif 263#endif
241 264
242#define expect_false(expr) expect ((expr) != 0, 0) 265#define expect_false(expr) expect ((expr) != 0, 0)
243#define expect_true(expr) expect ((expr) != 0, 1) 266#define expect_true(expr) expect ((expr) != 0, 1)
267#define inline_size static inline
268
269#if EV_MINIMAL
270# define inline_speed static noinline
271#else
272# define inline_speed static inline
273#endif
244 274
245#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 275#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
246#define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 276#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247 277
248#define EMPTY /* required for microsofts broken pseudo-c compiler */ 278#define EMPTY /* required for microsofts broken pseudo-c compiler */
… …
250 280
251typedef ev_watcher *W; 281typedef ev_watcher *W;
252typedef ev_watcher_list *WL; 282typedef ev_watcher_list *WL;
253typedef ev_watcher_time *WT; 283typedef ev_watcher_time *WT;
254 284
285/* sig_atomic_t is used to avoid per-thread variables or locking but still */
286/* giving it a reasonably high chance of working on typical architetcures */
255static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 287static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
256 288
257#ifdef _WIN32 289#ifdef _WIN32
258# include "ev_win32.c" 290# include "ev_win32.c"
259#endif 291#endif
260 292
… …
396{ 428{
397 return ev_rt_now; 429 return ev_rt_now;
398} 430}
399#endif 431#endif
400 432
433void
434ev_sleep (ev_tstamp delay)
435{
436 if (delay > 0.)
437 {
438#if EV_USE_NANOSLEEP
439 struct timespec ts;
440
441 ts.tv_sec = (time_t)delay;
442 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
443
444 nanosleep (&ts, 0);
445#elif defined(_WIN32)
446 Sleep (delay * 1e3);
447#else
448 struct timeval tv;
449
450 tv.tv_sec = (time_t)delay;
451 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
452
453 select (0, 0, 0, 0, &tv);
454#endif
455 }
456}
457
458/*****************************************************************************/
459
401int inline_size 460int inline_size
402array_nextsize (int elem, int cur, int cnt) 461array_nextsize (int elem, int cur, int cnt)
403{ 462{
404 int ncur = cur + 1; 463 int ncur = cur + 1;
405 464
… …
417 } 476 }
418 477
419 return ncur; 478 return ncur;
420} 479}
421 480
422inline_speed void * 481static noinline void *
423array_realloc (int elem, void *base, int *cur, int cnt) 482array_realloc (int elem, void *base, int *cur, int cnt)
424{ 483{
425 *cur = array_nextsize (elem, *cur, cnt); 484 *cur = array_nextsize (elem, *cur, cnt);
426 return ev_realloc (base, elem * *cur); 485 return ev_realloc (base, elem * *cur);
427} 486}
… …
452 511
453void noinline 512void noinline
454ev_feed_event (EV_P_ void *w, int revents) 513ev_feed_event (EV_P_ void *w, int revents)
455{ 514{
456 W w_ = (W)w; 515 W w_ = (W)w;
516 int pri = ABSPRI (w_);
457 517
458 if (expect_false (w_->pending)) 518 if (expect_false (w_->pending))
519 pendings [pri][w_->pending - 1].events |= revents;
520 else
459 { 521 {
522 w_->pending = ++pendingcnt [pri];
523 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
524 pendings [pri][w_->pending - 1].w = w_;
460 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 525 pendings [pri][w_->pending - 1].events = revents;
461 return;
462 } 526 }
463
464 w_->pending = ++pendingcnt [ABSPRI (w_)];
465 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
466 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
467 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
468} 527}
469 528
470void inline_size 529void inline_speed
471queue_events (EV_P_ W *events, int eventcnt, int type) 530queue_events (EV_P_ W *events, int eventcnt, int type)
472{ 531{
473 int i; 532 int i;
474 533
475 for (i = 0; i < eventcnt; ++i) 534 for (i = 0; i < eventcnt; ++i)
… …
507} 566}
508 567
509void 568void
510ev_feed_fd_event (EV_P_ int fd, int revents) 569ev_feed_fd_event (EV_P_ int fd, int revents)
511{ 570{
571 if (fd >= 0 && fd < anfdmax)
512 fd_event (EV_A_ fd, revents); 572 fd_event (EV_A_ fd, revents);
513} 573}
514 574
515void inline_size 575void inline_size
516fd_reify (EV_P) 576fd_reify (EV_P)
517{ 577{
… …
521 { 581 {
522 int fd = fdchanges [i]; 582 int fd = fdchanges [i];
523 ANFD *anfd = anfds + fd; 583 ANFD *anfd = anfds + fd;
524 ev_io *w; 584 ev_io *w;
525 585
526 int events = 0; 586 unsigned char events = 0;
527 587
528 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 588 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
529 events |= w->events; 589 events |= (unsigned char)w->events;
530 590
531#if EV_SELECT_IS_WINSOCKET 591#if EV_SELECT_IS_WINSOCKET
532 if (events) 592 if (events)
533 { 593 {
534 unsigned long argp; 594 unsigned long argp;
535 anfd->handle = _get_osfhandle (fd); 595 anfd->handle = _get_osfhandle (fd);
536 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); 596 assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0));
537 } 597 }
538#endif 598#endif
539 599
600 {
601 unsigned char o_events = anfd->events;
602 unsigned char o_reify = anfd->reify;
603
540 anfd->reify = 0; 604 anfd->reify = 0;
541
542 backend_modify (EV_A_ fd, anfd->events, events);
543 anfd->events = events; 605 anfd->events = events;
606
607 if (o_events != events || o_reify & EV_IOFDSET)
608 backend_modify (EV_A_ fd, o_events, events);
609 }
544 } 610 }
545 611
546 fdchangecnt = 0; 612 fdchangecnt = 0;
547} 613}
548 614
549void inline_size 615void inline_size
550fd_change (EV_P_ int fd) 616fd_change (EV_P_ int fd, int flags)
551{ 617{
552 if (expect_false (anfds [fd].reify)) 618 unsigned char reify = anfds [fd].reify;
553 return;
554
555 anfds [fd].reify = 1; 619 anfds [fd].reify |= flags;
556 620
621 if (expect_true (!reify))
622 {
557 ++fdchangecnt; 623 ++fdchangecnt;
558 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); 624 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
559 fdchanges [fdchangecnt - 1] = fd; 625 fdchanges [fdchangecnt - 1] = fd;
626 }
560} 627}
561 628
562void inline_speed 629void inline_speed
563fd_kill (EV_P_ int fd) 630fd_kill (EV_P_ int fd)
564{ 631{
… …
615 682
616 for (fd = 0; fd < anfdmax; ++fd) 683 for (fd = 0; fd < anfdmax; ++fd)
617 if (anfds [fd].events) 684 if (anfds [fd].events)
618 { 685 {
619 anfds [fd].events = 0; 686 anfds [fd].events = 0;
620 fd_change (EV_A_ fd); 687 fd_change (EV_A_ fd, EV_IOFDSET | 1);
621 } 688 }
622} 689}
623 690
624/*****************************************************************************/ 691/*****************************************************************************/
625 692
626void inline_speed 693void inline_speed
627upheap (WT *heap, int k) 694upheap (WT *heap, int k)
628{ 695{
629 WT w = heap [k]; 696 WT w = heap [k];
630 697
631 while (k && heap [k >> 1]->at > w->at) 698 while (k)
632 { 699 {
700 int p = (k - 1) >> 1;
701
702 if (heap [p]->at <= w->at)
703 break;
704
633 heap [k] = heap [k >> 1]; 705 heap [k] = heap [p];
634 ((W)heap [k])->active = k + 1; 706 ((W)heap [k])->active = k + 1;
635 k >>= 1; 707 k = p;
636 } 708 }
637 709
638 heap [k] = w; 710 heap [k] = w;
639 ((W)heap [k])->active = k + 1; 711 ((W)heap [k])->active = k + 1;
640
641} 712}
642 713
643void inline_speed 714void inline_speed
644downheap (WT *heap, int N, int k) 715downheap (WT *heap, int N, int k)
645{ 716{
646 WT w = heap [k]; 717 WT w = heap [k];
647 718
648 while (k < (N >> 1)) 719 for (;;)
649 { 720 {
650 int j = k << 1; 721 int c = (k << 1) + 1;
651 722
652 if (j + 1 < N && heap [j]->at > heap [j + 1]->at) 723 if (c >= N)
653 ++j;
654
655 if (w->at <= heap [j]->at)
656 break; 724 break;
657 725
726 c += c + 1 < N && heap [c]->at > heap [c + 1]->at
727 ? 1 : 0;
728
729 if (w->at <= heap [c]->at)
730 break;
731
658 heap [k] = heap [j]; 732 heap [k] = heap [c];
659 ((W)heap [k])->active = k + 1; 733 ((W)heap [k])->active = k + 1;
734
660 k = j; 735 k = c;
661 } 736 }
662 737
663 heap [k] = w; 738 heap [k] = w;
664 ((W)heap [k])->active = k + 1; 739 ((W)heap [k])->active = k + 1;
665} 740}
… …
747 for (signum = signalmax; signum--; ) 822 for (signum = signalmax; signum--; )
748 if (signals [signum].gotsig) 823 if (signals [signum].gotsig)
749 ev_feed_signal_event (EV_A_ signum + 1); 824 ev_feed_signal_event (EV_A_ signum + 1);
750} 825}
751 826
752void inline_size 827void inline_speed
753fd_intern (int fd) 828fd_intern (int fd)
754{ 829{
755#ifdef _WIN32 830#ifdef _WIN32
756 int arg = 1; 831 int arg = 1;
757 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 832 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
… …
772 ev_unref (EV_A); /* child watcher should not keep loop alive */ 847 ev_unref (EV_A); /* child watcher should not keep loop alive */
773} 848}
774 849
775/*****************************************************************************/ 850/*****************************************************************************/
776 851
777static ev_child *childs [EV_PID_HASHSIZE]; 852static WL childs [EV_PID_HASHSIZE];
778 853
779#ifndef _WIN32 854#ifndef _WIN32
780 855
781static ev_signal childev; 856static ev_signal childev;
782 857
… …
897} 972}
898 973
899unsigned int 974unsigned int
900ev_embeddable_backends (void) 975ev_embeddable_backends (void)
901{ 976{
902 return EVBACKEND_EPOLL 977 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
903 | EVBACKEND_KQUEUE 978
904 | EVBACKEND_PORT; 979 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
980 /* please fix it and tell me how to detect the fix */
981 flags &= ~EVBACKEND_EPOLL;
982
983 return flags;
905} 984}
906 985
907unsigned int 986unsigned int
908ev_backend (EV_P) 987ev_backend (EV_P)
909{ 988{
… …
912 991
913unsigned int 992unsigned int
914ev_loop_count (EV_P) 993ev_loop_count (EV_P)
915{ 994{
916 return loop_count; 995 return loop_count;
996}
997
998void
999ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
1000{
1001 io_blocktime = interval;
1002}
1003
1004void
1005ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1006{
1007 timeout_blocktime = interval;
917} 1008}
918 1009
919static void noinline 1010static void noinline
920loop_init (EV_P_ unsigned int flags) 1011loop_init (EV_P_ unsigned int flags)
921{ 1012{
… …
932 ev_rt_now = ev_time (); 1023 ev_rt_now = ev_time ();
933 mn_now = get_clock (); 1024 mn_now = get_clock ();
934 now_floor = mn_now; 1025 now_floor = mn_now;
935 rtmn_diff = ev_rt_now - mn_now; 1026 rtmn_diff = ev_rt_now - mn_now;
936 1027
1028 io_blocktime = 0.;
1029 timeout_blocktime = 0.;
1030
937 /* pid check not overridable via env */ 1031 /* pid check not overridable via env */
938#ifndef _WIN32 1032#ifndef _WIN32
939 if (flags & EVFLAG_FORKCHECK) 1033 if (flags & EVFLAG_FORKCHECK)
940 curpid = getpid (); 1034 curpid = getpid ();
941#endif 1035#endif
… …
1009 array_free (pending, [i]); 1103 array_free (pending, [i]);
1010#if EV_IDLE_ENABLE 1104#if EV_IDLE_ENABLE
1011 array_free (idle, [i]); 1105 array_free (idle, [i]);
1012#endif 1106#endif
1013 } 1107 }
1108
1109 ev_free (anfds); anfdmax = 0;
1014 1110
1015 /* have to use the microsoft-never-gets-it-right macro */ 1111 /* have to use the microsoft-never-gets-it-right macro */
1016 array_free (fdchange, EMPTY); 1112 array_free (fdchange, EMPTY);
1017 array_free (timer, EMPTY); 1113 array_free (timer, EMPTY);
1018#if EV_PERIODIC_ENABLE 1114#if EV_PERIODIC_ENABLE
1019 array_free (periodic, EMPTY); 1115 array_free (periodic, EMPTY);
1116#endif
1117#if EV_FORK_ENABLE
1118 array_free (fork, EMPTY);
1020#endif 1119#endif
1021 array_free (prepare, EMPTY); 1120 array_free (prepare, EMPTY);
1022 array_free (check, EMPTY); 1121 array_free (check, EMPTY);
1023 1122
1024 backend = 0; 1123 backend = 0;
… …
1163 postfork = 1; 1262 postfork = 1;
1164} 1263}
1165 1264
1166/*****************************************************************************/ 1265/*****************************************************************************/
1167 1266
1267void
1268ev_invoke (EV_P_ void *w, int revents)
1269{
1270 EV_CB_INVOKE ((W)w, revents);
1271}
1272
1168void inline_speed 1273void inline_speed
1169call_pending (EV_P) 1274call_pending (EV_P)
1170{ 1275{
1171 int pri; 1276 int pri;
1172 1277
… …
1188void inline_size 1293void inline_size
1189timers_reify (EV_P) 1294timers_reify (EV_P)
1190{ 1295{
1191 while (timercnt && ((WT)timers [0])->at <= mn_now) 1296 while (timercnt && ((WT)timers [0])->at <= mn_now)
1192 { 1297 {
1193 ev_timer *w = timers [0]; 1298 ev_timer *w = (ev_timer *)timers [0];
1194 1299
1195 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1300 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1196 1301
1197 /* first reschedule or stop timer */ 1302 /* first reschedule or stop timer */
1198 if (w->repeat) 1303 if (w->repeat)
… …
1201 1306
1202 ((WT)w)->at += w->repeat; 1307 ((WT)w)->at += w->repeat;
1203 if (((WT)w)->at < mn_now) 1308 if (((WT)w)->at < mn_now)
1204 ((WT)w)->at = mn_now; 1309 ((WT)w)->at = mn_now;
1205 1310
1206 downheap ((WT *)timers, timercnt, 0); 1311 downheap (timers, timercnt, 0);
1207 } 1312 }
1208 else 1313 else
1209 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1314 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1210 1315
1211 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1316 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
… …
1216void inline_size 1321void inline_size
1217periodics_reify (EV_P) 1322periodics_reify (EV_P)
1218{ 1323{
1219 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1324 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1220 { 1325 {
1221 ev_periodic *w = periodics [0]; 1326 ev_periodic *w = (ev_periodic *)periodics [0];
1222 1327
1223 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1328 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1224 1329
1225 /* first reschedule or stop timer */ 1330 /* first reschedule or stop timer */
1226 if (w->reschedule_cb) 1331 if (w->reschedule_cb)
1227 { 1332 {
1228 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1333 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1229 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1334 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1230 downheap ((WT *)periodics, periodiccnt, 0); 1335 downheap (periodics, periodiccnt, 0);
1231 } 1336 }
1232 else if (w->interval) 1337 else if (w->interval)
1233 { 1338 {
1234 ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; 1339 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1340 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1235 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); 1341 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1236 downheap ((WT *)periodics, periodiccnt, 0); 1342 downheap (periodics, periodiccnt, 0);
1237 } 1343 }
1238 else 1344 else
1239 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1345 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1240 1346
1241 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1347 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
… …
1248 int i; 1354 int i;
1249 1355
1250 /* adjust periodics after time jump */ 1356 /* adjust periodics after time jump */
1251 for (i = 0; i < periodiccnt; ++i) 1357 for (i = 0; i < periodiccnt; ++i)
1252 { 1358 {
1253 ev_periodic *w = periodics [i]; 1359 ev_periodic *w = (ev_periodic *)periodics [i];
1254 1360
1255 if (w->reschedule_cb) 1361 if (w->reschedule_cb)
1256 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1362 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1257 else if (w->interval) 1363 else if (w->interval)
1258 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1364 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1259 } 1365 }
1260 1366
1261 /* now rebuild the heap */ 1367 /* now rebuild the heap */
1262 for (i = periodiccnt >> 1; i--; ) 1368 for (i = periodiccnt >> 1; i--; )
1263 downheap ((WT *)periodics, periodiccnt, i); 1369 downheap (periodics, periodiccnt, i);
1264} 1370}
1265#endif 1371#endif
1266 1372
1267#if EV_IDLE_ENABLE 1373#if EV_IDLE_ENABLE
1268void inline_size 1374void inline_size
… …
1285 } 1391 }
1286 } 1392 }
1287} 1393}
1288#endif 1394#endif
1289 1395
1290int inline_size 1396void inline_speed
1291time_update_monotonic (EV_P) 1397time_update (EV_P_ ev_tstamp max_block)
1292{ 1398{
1399 int i;
1400
1401#if EV_USE_MONOTONIC
1402 if (expect_true (have_monotonic))
1403 {
1404 ev_tstamp odiff = rtmn_diff;
1405
1293 mn_now = get_clock (); 1406 mn_now = get_clock ();
1294 1407
1408 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
1409 /* interpolate in the meantime */
1295 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1410 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1296 { 1411 {
1297 ev_rt_now = rtmn_diff + mn_now; 1412 ev_rt_now = rtmn_diff + mn_now;
1298 return 0; 1413 return;
1299 } 1414 }
1300 else 1415
1301 {
1302 now_floor = mn_now; 1416 now_floor = mn_now;
1303 ev_rt_now = ev_time (); 1417 ev_rt_now = ev_time ();
1304 return 1;
1305 }
1306}
1307 1418
1308void inline_size 1419 /* loop a few times, before making important decisions.
1309time_update (EV_P) 1420 * on the choice of "4": one iteration isn't enough,
1310{ 1421 * in case we get preempted during the calls to
1311 int i; 1422 * ev_time and get_clock. a second call is almost guaranteed
1312 1423 * to succeed in that case, though. and looping a few more times
1313#if EV_USE_MONOTONIC 1424 * doesn't hurt either as we only do this on time-jumps or
1314 if (expect_true (have_monotonic)) 1425 * in the unlikely event of having been preempted here.
1315 { 1426 */
1316 if (time_update_monotonic (EV_A)) 1427 for (i = 4; --i; )
1317 { 1428 {
1318 ev_tstamp odiff = rtmn_diff;
1319
1320 /* loop a few times, before making important decisions.
1321 * on the choice of "4": one iteration isn't enough,
1322 * in case we get preempted during the calls to
1323 * ev_time and get_clock. a second call is almost guaranteed
1324 * to succeed in that case, though. and looping a few more times
1325 * doesn't hurt either as we only do this on time-jumps or
1326 * in the unlikely event of having been preempted here.
1327 */
1328 for (i = 4; --i; )
1329 {
1330 rtmn_diff = ev_rt_now - mn_now; 1429 rtmn_diff = ev_rt_now - mn_now;
1331 1430
1332 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1431 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1333 return; /* all is well */ 1432 return; /* all is well */
1334 1433
1335 ev_rt_now = ev_time (); 1434 ev_rt_now = ev_time ();
1336 mn_now = get_clock (); 1435 mn_now = get_clock ();
1337 now_floor = mn_now; 1436 now_floor = mn_now;
1338 } 1437 }
1339 1438
1340# if EV_PERIODIC_ENABLE 1439# if EV_PERIODIC_ENABLE
1341 periodics_reschedule (EV_A); 1440 periodics_reschedule (EV_A);
1342# endif 1441# endif
1343 /* no timer adjustment, as the monotonic clock doesn't jump */ 1442 /* no timer adjustment, as the monotonic clock doesn't jump */
1344 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1443 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1345 }
1346 } 1444 }
1347 else 1445 else
1348#endif 1446#endif
1349 { 1447 {
1350 ev_rt_now = ev_time (); 1448 ev_rt_now = ev_time ();
1351 1449
1352 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1450 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1353 { 1451 {
1354#if EV_PERIODIC_ENABLE 1452#if EV_PERIODIC_ENABLE
1355 periodics_reschedule (EV_A); 1453 periodics_reschedule (EV_A);
1356#endif 1454#endif
1357
1358 /* adjust timers. this is easy, as the offset is the same for all of them */ 1455 /* adjust timers. this is easy, as the offset is the same for all of them */
1359 for (i = 0; i < timercnt; ++i) 1456 for (i = 0; i < timercnt; ++i)
1360 ((WT)timers [i])->at += ev_rt_now - mn_now; 1457 ((WT)timers [i])->at += ev_rt_now - mn_now;
1361 } 1458 }
1362 1459
… …
1406 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 1503 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1407 call_pending (EV_A); 1504 call_pending (EV_A);
1408 } 1505 }
1409#endif 1506#endif
1410 1507
1411 /* queue check watchers (and execute them) */ 1508 /* queue prepare watchers (and execute them) */
1412 if (expect_false (preparecnt)) 1509 if (expect_false (preparecnt))
1413 { 1510 {
1414 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1511 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1415 call_pending (EV_A); 1512 call_pending (EV_A);
1416 } 1513 }
… …
1425 /* update fd-related kernel structures */ 1522 /* update fd-related kernel structures */
1426 fd_reify (EV_A); 1523 fd_reify (EV_A);
1427 1524
1428 /* calculate blocking time */ 1525 /* calculate blocking time */
1429 { 1526 {
1430 ev_tstamp block; 1527 ev_tstamp waittime = 0.;
1528 ev_tstamp sleeptime = 0.;
1431 1529
1432 if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) 1530 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1433 block = 0.; /* do not block at all */
1434 else
1435 { 1531 {
1436 /* update time to cancel out callback processing overhead */ 1532 /* update time to cancel out callback processing overhead */
1437#if EV_USE_MONOTONIC
1438 if (expect_true (have_monotonic))
1439 time_update_monotonic (EV_A); 1533 time_update (EV_A_ 1e100);
1440 else
1441#endif
1442 {
1443 ev_rt_now = ev_time ();
1444 mn_now = ev_rt_now;
1445 }
1446 1534
1447 block = MAX_BLOCKTIME; 1535 waittime = MAX_BLOCKTIME;
1448 1536
1449 if (timercnt) 1537 if (timercnt)
1450 { 1538 {
1451 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1539 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1452 if (block > to) block = to; 1540 if (waittime > to) waittime = to;
1453 } 1541 }
1454 1542
1455#if EV_PERIODIC_ENABLE 1543#if EV_PERIODIC_ENABLE
1456 if (periodiccnt) 1544 if (periodiccnt)
1457 { 1545 {
1458 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1546 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1459 if (block > to) block = to; 1547 if (waittime > to) waittime = to;
1460 } 1548 }
1461#endif 1549#endif
1462 1550
1463 if (expect_false (block < 0.)) block = 0.; 1551 if (expect_false (waittime < timeout_blocktime))
1552 waittime = timeout_blocktime;
1553
1554 sleeptime = waittime - backend_fudge;
1555
1556 if (expect_true (sleeptime > io_blocktime))
1557 sleeptime = io_blocktime;
1558
1559 if (sleeptime)
1560 {
1561 ev_sleep (sleeptime);
1562 waittime -= sleeptime;
1563 }
1464 } 1564 }
1465 1565
1466 ++loop_count; 1566 ++loop_count;
1467 backend_poll (EV_A_ block); 1567 backend_poll (EV_A_ waittime);
1568
1569 /* update ev_rt_now, do magic */
1570 time_update (EV_A_ waittime + sleeptime);
1468 } 1571 }
1469
1470 /* update ev_rt_now, do magic */
1471 time_update (EV_A);
1472 1572
1473 /* queue pending timers and reschedule them */ 1573 /* queue pending timers and reschedule them */
1474 timers_reify (EV_A); /* relative timers called last */ 1574 timers_reify (EV_A); /* relative timers called last */
1475#if EV_PERIODIC_ENABLE 1575#if EV_PERIODIC_ENABLE
1476 periodics_reify (EV_A); /* absolute timers called first */ 1576 periodics_reify (EV_A); /* absolute timers called first */
… …
1538ev_clear_pending (EV_P_ void *w) 1638ev_clear_pending (EV_P_ void *w)
1539{ 1639{
1540 W w_ = (W)w; 1640 W w_ = (W)w;
1541 int pending = w_->pending; 1641 int pending = w_->pending;
1542 1642
1543 if (!pending) 1643 if (expect_true (pending))
1644 {
1645 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1646 w_->pending = 0;
1647 p->w = 0;
1648 return p->events;
1649 }
1650 else
1544 return 0; 1651 return 0;
1545
1546 w_->pending = 0;
1547 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1548 p->w = 0;
1549
1550 return p->events;
1551} 1652}
1552 1653
1553void inline_size 1654void inline_size
1554pri_adjust (EV_P_ W w) 1655pri_adjust (EV_P_ W w)
1555{ 1656{
… …
1574 w->active = 0; 1675 w->active = 0;
1575} 1676}
1576 1677
1577/*****************************************************************************/ 1678/*****************************************************************************/
1578 1679
1579void 1680void noinline
1580ev_io_start (EV_P_ ev_io *w) 1681ev_io_start (EV_P_ ev_io *w)
1581{ 1682{
1582 int fd = w->fd; 1683 int fd = w->fd;
1583 1684
1584 if (expect_false (ev_is_active (w))) 1685 if (expect_false (ev_is_active (w)))
… …
1586 1687
1587 assert (("ev_io_start called with negative fd", fd >= 0)); 1688 assert (("ev_io_start called with negative fd", fd >= 0));
1588 1689
1589 ev_start (EV_A_ (W)w, 1); 1690 ev_start (EV_A_ (W)w, 1);
1590 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 1691 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1591 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1692 wlist_add (&anfds[fd].head, (WL)w);
1592 1693
1593 fd_change (EV_A_ fd); 1694 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1695 w->events &= ~EV_IOFDSET;
1594} 1696}
1595 1697
1596void 1698void noinline
1597ev_io_stop (EV_P_ ev_io *w) 1699ev_io_stop (EV_P_ ev_io *w)
1598{ 1700{
1599 clear_pending (EV_A_ (W)w); 1701 clear_pending (EV_A_ (W)w);
1600 if (expect_false (!ev_is_active (w))) 1702 if (expect_false (!ev_is_active (w)))
1601 return; 1703 return;
1602 1704
1603 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 1705 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1604 1706
1605 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1707 wlist_del (&anfds[w->fd].head, (WL)w);
1606 ev_stop (EV_A_ (W)w); 1708 ev_stop (EV_A_ (W)w);
1607 1709
1608 fd_change (EV_A_ w->fd); 1710 fd_change (EV_A_ w->fd, 1);
1609} 1711}
1610 1712
1611void 1713void noinline
1612ev_timer_start (EV_P_ ev_timer *w) 1714ev_timer_start (EV_P_ ev_timer *w)
1613{ 1715{
1614 if (expect_false (ev_is_active (w))) 1716 if (expect_false (ev_is_active (w)))
1615 return; 1717 return;
1616 1718
1617 ((WT)w)->at += mn_now; 1719 ((WT)w)->at += mn_now;
1618 1720
1619 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1721 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1620 1722
1621 ev_start (EV_A_ (W)w, ++timercnt); 1723 ev_start (EV_A_ (W)w, ++timercnt);
1622 array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); 1724 array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1623 timers [timercnt - 1] = w; 1725 timers [timercnt - 1] = (WT)w;
1624 upheap ((WT *)timers, timercnt - 1); 1726 upheap (timers, timercnt - 1);
1625 1727
1626 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 1728 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/
1627} 1729}
1628 1730
1629void 1731void noinline
1630ev_timer_stop (EV_P_ ev_timer *w) 1732ev_timer_stop (EV_P_ ev_timer *w)
1631{ 1733{
1632 clear_pending (EV_A_ (W)w); 1734 clear_pending (EV_A_ (W)w);
1633 if (expect_false (!ev_is_active (w))) 1735 if (expect_false (!ev_is_active (w)))
1634 return; 1736 return;
1635 1737
1636 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1738 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1637 1739
1638 { 1740 {
1639 int active = ((W)w)->active; 1741 int active = ((W)w)->active;
1640 1742
1641 if (expect_true (--active < --timercnt)) 1743 if (expect_true (--active < --timercnt))
1642 { 1744 {
1643 timers [active] = timers [timercnt]; 1745 timers [active] = timers [timercnt];
1644 adjustheap ((WT *)timers, timercnt, active); 1746 adjustheap (timers, timercnt, active);
1645 } 1747 }
1646 } 1748 }
1647 1749
1648 ((WT)w)->at -= mn_now; 1750 ((WT)w)->at -= mn_now;
1649 1751
1650 ev_stop (EV_A_ (W)w); 1752 ev_stop (EV_A_ (W)w);
1651} 1753}
1652 1754
1653void 1755void noinline
1654ev_timer_again (EV_P_ ev_timer *w) 1756ev_timer_again (EV_P_ ev_timer *w)
1655{ 1757{
1656 if (ev_is_active (w)) 1758 if (ev_is_active (w))
1657 { 1759 {
1658 if (w->repeat) 1760 if (w->repeat)
1659 { 1761 {
1660 ((WT)w)->at = mn_now + w->repeat; 1762 ((WT)w)->at = mn_now + w->repeat;
1661 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1763 adjustheap (timers, timercnt, ((W)w)->active - 1);
1662 } 1764 }
1663 else 1765 else
1664 ev_timer_stop (EV_A_ w); 1766 ev_timer_stop (EV_A_ w);
1665 } 1767 }
1666 else if (w->repeat) 1768 else if (w->repeat)
… …
1669 ev_timer_start (EV_A_ w); 1771 ev_timer_start (EV_A_ w);
1670 } 1772 }
1671} 1773}
1672 1774
1673#if EV_PERIODIC_ENABLE 1775#if EV_PERIODIC_ENABLE
1674void 1776void noinline
1675ev_periodic_start (EV_P_ ev_periodic *w) 1777ev_periodic_start (EV_P_ ev_periodic *w)
1676{ 1778{
1677 if (expect_false (ev_is_active (w))) 1779 if (expect_false (ev_is_active (w)))
1678 return; 1780 return;
1679 1781
… …
1681 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1783 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1682 else if (w->interval) 1784 else if (w->interval)
1683 { 1785 {
1684 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1786 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1685 /* this formula differs from the one in periodic_reify because we do not always round up */ 1787 /* this formula differs from the one in periodic_reify because we do not always round up */
1686 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1788 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1687 } 1789 }
1790 else
1791 ((WT)w)->at = w->offset;
1688 1792
1689 ev_start (EV_A_ (W)w, ++periodiccnt); 1793 ev_start (EV_A_ (W)w, ++periodiccnt);
1690 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); 1794 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1691 periodics [periodiccnt - 1] = w; 1795 periodics [periodiccnt - 1] = (WT)w;
1692 upheap ((WT *)periodics, periodiccnt - 1); 1796 upheap (periodics, periodiccnt - 1);
1693 1797
1694 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 1798 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/
1695} 1799}
1696 1800
1697void 1801void noinline
1698ev_periodic_stop (EV_P_ ev_periodic *w) 1802ev_periodic_stop (EV_P_ ev_periodic *w)
1699{ 1803{
1700 clear_pending (EV_A_ (W)w); 1804 clear_pending (EV_A_ (W)w);
1701 if (expect_false (!ev_is_active (w))) 1805 if (expect_false (!ev_is_active (w)))
1702 return; 1806 return;
1703 1807
1704 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1808 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1705 1809
1706 { 1810 {
1707 int active = ((W)w)->active; 1811 int active = ((W)w)->active;
1708 1812
1709 if (expect_true (--active < --periodiccnt)) 1813 if (expect_true (--active < --periodiccnt))
1710 { 1814 {
1711 periodics [active] = periodics [periodiccnt]; 1815 periodics [active] = periodics [periodiccnt];
1712 adjustheap ((WT *)periodics, periodiccnt, active); 1816 adjustheap (periodics, periodiccnt, active);
1713 } 1817 }
1714 } 1818 }
1715 1819
1716 ev_stop (EV_A_ (W)w); 1820 ev_stop (EV_A_ (W)w);
1717} 1821}
1718 1822
1719void 1823void noinline
1720ev_periodic_again (EV_P_ ev_periodic *w) 1824ev_periodic_again (EV_P_ ev_periodic *w)
1721{ 1825{
1722 /* TODO: use adjustheap and recalculation */ 1826 /* TODO: use adjustheap and recalculation */
1723 ev_periodic_stop (EV_A_ w); 1827 ev_periodic_stop (EV_A_ w);
1724 ev_periodic_start (EV_A_ w); 1828 ev_periodic_start (EV_A_ w);
… …
1727 1831
1728#ifndef SA_RESTART 1832#ifndef SA_RESTART
1729# define SA_RESTART 0 1833# define SA_RESTART 0
1730#endif 1834#endif
1731 1835
1732void 1836void noinline
1733ev_signal_start (EV_P_ ev_signal *w) 1837ev_signal_start (EV_P_ ev_signal *w)
1734{ 1838{
1735#if EV_MULTIPLICITY 1839#if EV_MULTIPLICITY
1736 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1840 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1737#endif 1841#endif
1738 if (expect_false (ev_is_active (w))) 1842 if (expect_false (ev_is_active (w)))
1739 return; 1843 return;
1740 1844
1741 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1845 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1742 1846
1847 {
1848#ifndef _WIN32
1849 sigset_t full, prev;
1850 sigfillset (&full);
1851 sigprocmask (SIG_SETMASK, &full, &prev);
1852#endif
1853
1854 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1855
1856#ifndef _WIN32
1857 sigprocmask (SIG_SETMASK, &prev, 0);
1858#endif
1859 }
1860
1743 ev_start (EV_A_ (W)w, 1); 1861 ev_start (EV_A_ (W)w, 1);
1744 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1745 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1862 wlist_add (&signals [w->signum - 1].head, (WL)w);
1746 1863
1747 if (!((WL)w)->next) 1864 if (!((WL)w)->next)
1748 { 1865 {
1749#if _WIN32 1866#if _WIN32
1750 signal (w->signum, sighandler); 1867 signal (w->signum, sighandler);
… …
1756 sigaction (w->signum, &sa, 0); 1873 sigaction (w->signum, &sa, 0);
1757#endif 1874#endif
1758 } 1875 }
1759} 1876}
1760 1877
1761void 1878void noinline
1762ev_signal_stop (EV_P_ ev_signal *w) 1879ev_signal_stop (EV_P_ ev_signal *w)
1763{ 1880{
1764 clear_pending (EV_A_ (W)w); 1881 clear_pending (EV_A_ (W)w);
1765 if (expect_false (!ev_is_active (w))) 1882 if (expect_false (!ev_is_active (w)))
1766 return; 1883 return;
1767 1884
1768 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1885 wlist_del (&signals [w->signum - 1].head, (WL)w);
1769 ev_stop (EV_A_ (W)w); 1886 ev_stop (EV_A_ (W)w);
1770 1887
1771 if (!signals [w->signum - 1].head) 1888 if (!signals [w->signum - 1].head)
1772 signal (w->signum, SIG_DFL); 1889 signal (w->signum, SIG_DFL);
1773} 1890}
… …
1780#endif 1897#endif
1781 if (expect_false (ev_is_active (w))) 1898 if (expect_false (ev_is_active (w)))
1782 return; 1899 return;
1783 1900
1784 ev_start (EV_A_ (W)w, 1); 1901 ev_start (EV_A_ (W)w, 1);
1785 wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 1902 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1786} 1903}
1787 1904
1788void 1905void
1789ev_child_stop (EV_P_ ev_child *w) 1906ev_child_stop (EV_P_ ev_child *w)
1790{ 1907{
1791 clear_pending (EV_A_ (W)w); 1908 clear_pending (EV_A_ (W)w);
1792 if (expect_false (!ev_is_active (w))) 1909 if (expect_false (!ev_is_active (w)))
1793 return; 1910 return;
1794 1911
1795 wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 1912 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1796 ev_stop (EV_A_ (W)w); 1913 ev_stop (EV_A_ (W)w);
1797} 1914}
1798 1915
1799#if EV_STAT_ENABLE 1916#if EV_STAT_ENABLE
1800 1917
… …
2142 2259
2143#if EV_EMBED_ENABLE 2260#if EV_EMBED_ENABLE
2144void noinline 2261void noinline
2145ev_embed_sweep (EV_P_ ev_embed *w) 2262ev_embed_sweep (EV_P_ ev_embed *w)
2146{ 2263{
2147 ev_loop (w->loop, EVLOOP_NONBLOCK); 2264 ev_loop (w->other, EVLOOP_NONBLOCK);
2148} 2265}
2149 2266
2150static void 2267static void
2151embed_cb (EV_P_ ev_io *io, int revents) 2268embed_io_cb (EV_P_ ev_io *io, int revents)
2152{ 2269{
2153 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 2270 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
2154 2271
2155 if (ev_cb (w)) 2272 if (ev_cb (w))
2156 ev_feed_event (EV_A_ (W)w, EV_EMBED); 2273 ev_feed_event (EV_A_ (W)w, EV_EMBED);
2157 else 2274 else
2158 ev_embed_sweep (loop, w); 2275 ev_loop (w->other, EVLOOP_NONBLOCK);
2159} 2276}
2277
2278static void
2279embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
2280{
2281 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
2282
2283 {
2284 struct ev_loop *loop = w->other;
2285
2286 while (fdchangecnt)
2287 {
2288 fd_reify (EV_A);
2289 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2290 }
2291 }
2292}
2293
2294#if 0
2295static void
2296embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2297{
2298 ev_idle_stop (EV_A_ idle);
2299}
2300#endif
2160 2301
2161void 2302void
2162ev_embed_start (EV_P_ ev_embed *w) 2303ev_embed_start (EV_P_ ev_embed *w)
2163{ 2304{
2164 if (expect_false (ev_is_active (w))) 2305 if (expect_false (ev_is_active (w)))
2165 return; 2306 return;
2166 2307
2167 { 2308 {
2168 struct ev_loop *loop = w->loop; 2309 struct ev_loop *loop = w->other;
2169 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2310 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2170 ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); 2311 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2171 } 2312 }
2172 2313
2173 ev_set_priority (&w->io, ev_priority (w)); 2314 ev_set_priority (&w->io, ev_priority (w));
2174 ev_io_start (EV_A_ &w->io); 2315 ev_io_start (EV_A_ &w->io);
2175 2316
2317 ev_prepare_init (&w->prepare, embed_prepare_cb);
2318 ev_set_priority (&w->prepare, EV_MINPRI);
2319 ev_prepare_start (EV_A_ &w->prepare);
2320
2321 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2322
2176 ev_start (EV_A_ (W)w, 1); 2323 ev_start (EV_A_ (W)w, 1);
2177} 2324}
2178 2325
2179void 2326void
2180ev_embed_stop (EV_P_ ev_embed *w) 2327ev_embed_stop (EV_P_ ev_embed *w)
… …
2182 clear_pending (EV_A_ (W)w); 2329 clear_pending (EV_A_ (W)w);
2183 if (expect_false (!ev_is_active (w))) 2330 if (expect_false (!ev_is_active (w)))
2184 return; 2331 return;
2185 2332
2186 ev_io_stop (EV_A_ &w->io); 2333 ev_io_stop (EV_A_ &w->io);
2334 ev_prepare_stop (EV_A_ &w->prepare);
2187 2335
2188 ev_stop (EV_A_ (W)w); 2336 ev_stop (EV_A_ (W)w);
2189} 2337}
2190#endif 2338#endif
2191 2339
… …
2280 ev_timer_set (&once->to, timeout, 0.); 2428 ev_timer_set (&once->to, timeout, 0.);
2281 ev_timer_start (EV_A_ &once->to); 2429 ev_timer_start (EV_A_ &once->to);
2282 } 2430 }
2283} 2431}
2284 2432
2433#if EV_MULTIPLICITY
2434 #include "ev_wrap.h"
2435#endif
2436
2285#ifdef __cplusplus 2437#ifdef __cplusplus
2286} 2438}
2287#endif 2439#endif
2288 2440

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