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Comparing libev/ev.c (file contents):
Revision 1.163 by root, Wed Dec 5 13:54:36 2007 UTC vs.
Revision 1.195 by root, Sat Dec 22 11:44:51 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)->priority - EV_MINPRI) 276#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247 277
248#define EMPTY0 /* required for microsofts broken pseudo-c compiler */ 278#define EMPTY /* required for microsofts broken pseudo-c compiler */
249#define EMPTY2(a,b) /* used to suppress some warnings */ 279#define EMPTY2(a,b) /* used to suppress some warnings */
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
… …
786 ev_child *w; 861 ev_child *w;
787 862
788 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 863 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
789 if (w->pid == pid || !w->pid) 864 if (w->pid == pid || !w->pid)
790 { 865 {
791 ev_priority (w) = ev_priority (sw); /* need to do it *now* */ 866 ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */
792 w->rpid = pid; 867 w->rpid = pid;
793 w->rstatus = status; 868 w->rstatus = status;
794 ev_feed_event (EV_A_ (W)w, EV_CHILD); 869 ev_feed_event (EV_A_ (W)w, EV_CHILD);
795 } 870 }
796} 871}
797 872
798#ifndef WCONTINUED 873#ifndef WCONTINUED
… …
897} 972}
898 973
899unsigned int 974unsigned int
900ev_embeddable_backends (void) 975ev_embeddable_backends (void)
901{ 976{
977 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
902 return EVBACKEND_EPOLL 978 return EVBACKEND_KQUEUE
903 | EVBACKEND_KQUEUE
904 | EVBACKEND_PORT; 979 | EVBACKEND_PORT;
905} 980}
906 981
907unsigned int 982unsigned int
908ev_backend (EV_P) 983ev_backend (EV_P)
… …
912 987
913unsigned int 988unsigned int
914ev_loop_count (EV_P) 989ev_loop_count (EV_P)
915{ 990{
916 return loop_count; 991 return loop_count;
992}
993
994void
995ev_set_io_collect_interval (EV_P_ ev_tstamp interval)
996{
997 io_blocktime = interval;
998}
999
1000void
1001ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)
1002{
1003 timeout_blocktime = interval;
917} 1004}
918 1005
919static void noinline 1006static void noinline
920loop_init (EV_P_ unsigned int flags) 1007loop_init (EV_P_ unsigned int flags)
921{ 1008{
… …
932 ev_rt_now = ev_time (); 1019 ev_rt_now = ev_time ();
933 mn_now = get_clock (); 1020 mn_now = get_clock ();
934 now_floor = mn_now; 1021 now_floor = mn_now;
935 rtmn_diff = ev_rt_now - mn_now; 1022 rtmn_diff = ev_rt_now - mn_now;
936 1023
1024 io_blocktime = 0.;
1025 timeout_blocktime = 0.;
1026
937 /* pid check not overridable via env */ 1027 /* pid check not overridable via env */
938#ifndef _WIN32 1028#ifndef _WIN32
939 if (flags & EVFLAG_FORKCHECK) 1029 if (flags & EVFLAG_FORKCHECK)
940 curpid = getpid (); 1030 curpid = getpid ();
941#endif 1031#endif
… …
1003#if EV_USE_SELECT 1093#if EV_USE_SELECT
1004 if (backend == EVBACKEND_SELECT) select_destroy (EV_A); 1094 if (backend == EVBACKEND_SELECT) select_destroy (EV_A);
1005#endif 1095#endif
1006 1096
1007 for (i = NUMPRI; i--; ) 1097 for (i = NUMPRI; i--; )
1098 {
1008 array_free (pending, [i]); 1099 array_free (pending, [i]);
1100#if EV_IDLE_ENABLE
1101 array_free (idle, [i]);
1102#endif
1103 }
1104
1105 ev_free (anfds); anfdmax = 0;
1009 1106
1010 /* have to use the microsoft-never-gets-it-right macro */ 1107 /* have to use the microsoft-never-gets-it-right macro */
1011 array_free (fdchange, EMPTY0); 1108 array_free (fdchange, EMPTY);
1012 array_free (timer, EMPTY0); 1109 array_free (timer, EMPTY);
1013#if EV_PERIODIC_ENABLE 1110#if EV_PERIODIC_ENABLE
1014 array_free (periodic, EMPTY0); 1111 array_free (periodic, EMPTY);
1015#endif 1112#endif
1113#if EV_FORK_ENABLE
1016 array_free (idle, EMPTY0); 1114 array_free (fork, EMPTY);
1115#endif
1017 array_free (prepare, EMPTY0); 1116 array_free (prepare, EMPTY);
1018 array_free (check, EMPTY0); 1117 array_free (check, EMPTY);
1019 1118
1020 backend = 0; 1119 backend = 0;
1021} 1120}
1022 1121
1023void inline_size infy_fork (EV_P); 1122void inline_size infy_fork (EV_P);
… …
1159 postfork = 1; 1258 postfork = 1;
1160} 1259}
1161 1260
1162/*****************************************************************************/ 1261/*****************************************************************************/
1163 1262
1164int inline_size 1263void
1165any_pending (EV_P) 1264ev_invoke (EV_P_ void *w, int revents)
1166{ 1265{
1167 int pri; 1266 EV_CB_INVOKE ((W)w, revents);
1168
1169 for (pri = NUMPRI; pri--; )
1170 if (pendingcnt [pri])
1171 return 1;
1172
1173 return 0;
1174} 1267}
1175 1268
1176void inline_speed 1269void inline_speed
1177call_pending (EV_P) 1270call_pending (EV_P)
1178{ 1271{
… …
1196void inline_size 1289void inline_size
1197timers_reify (EV_P) 1290timers_reify (EV_P)
1198{ 1291{
1199 while (timercnt && ((WT)timers [0])->at <= mn_now) 1292 while (timercnt && ((WT)timers [0])->at <= mn_now)
1200 { 1293 {
1201 ev_timer *w = timers [0]; 1294 ev_timer *w = (ev_timer *)timers [0];
1202 1295
1203 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1296 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1204 1297
1205 /* first reschedule or stop timer */ 1298 /* first reschedule or stop timer */
1206 if (w->repeat) 1299 if (w->repeat)
… …
1209 1302
1210 ((WT)w)->at += w->repeat; 1303 ((WT)w)->at += w->repeat;
1211 if (((WT)w)->at < mn_now) 1304 if (((WT)w)->at < mn_now)
1212 ((WT)w)->at = mn_now; 1305 ((WT)w)->at = mn_now;
1213 1306
1214 downheap ((WT *)timers, timercnt, 0); 1307 downheap (timers, timercnt, 0);
1215 } 1308 }
1216 else 1309 else
1217 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1310 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1218 1311
1219 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1312 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
… …
1224void inline_size 1317void inline_size
1225periodics_reify (EV_P) 1318periodics_reify (EV_P)
1226{ 1319{
1227 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1320 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1228 { 1321 {
1229 ev_periodic *w = periodics [0]; 1322 ev_periodic *w = (ev_periodic *)periodics [0];
1230 1323
1231 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1324 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1232 1325
1233 /* first reschedule or stop timer */ 1326 /* first reschedule or stop timer */
1234 if (w->reschedule_cb) 1327 if (w->reschedule_cb)
1235 { 1328 {
1236 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1329 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1237 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1330 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1238 downheap ((WT *)periodics, periodiccnt, 0); 1331 downheap (periodics, periodiccnt, 0);
1239 } 1332 }
1240 else if (w->interval) 1333 else if (w->interval)
1241 { 1334 {
1242 ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; 1335 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1336 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1243 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); 1337 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1244 downheap ((WT *)periodics, periodiccnt, 0); 1338 downheap (periodics, periodiccnt, 0);
1245 } 1339 }
1246 else 1340 else
1247 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1341 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1248 1342
1249 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1343 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
… …
1256 int i; 1350 int i;
1257 1351
1258 /* adjust periodics after time jump */ 1352 /* adjust periodics after time jump */
1259 for (i = 0; i < periodiccnt; ++i) 1353 for (i = 0; i < periodiccnt; ++i)
1260 { 1354 {
1261 ev_periodic *w = periodics [i]; 1355 ev_periodic *w = (ev_periodic *)periodics [i];
1262 1356
1263 if (w->reschedule_cb) 1357 if (w->reschedule_cb)
1264 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1358 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1265 else if (w->interval) 1359 else if (w->interval)
1266 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1360 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1267 } 1361 }
1268 1362
1269 /* now rebuild the heap */ 1363 /* now rebuild the heap */
1270 for (i = periodiccnt >> 1; i--; ) 1364 for (i = periodiccnt >> 1; i--; )
1271 downheap ((WT *)periodics, periodiccnt, i); 1365 downheap (periodics, periodiccnt, i);
1272} 1366}
1273#endif 1367#endif
1274 1368
1369#if EV_IDLE_ENABLE
1275int inline_size 1370void inline_size
1276time_update_monotonic (EV_P) 1371idle_reify (EV_P)
1277{ 1372{
1373 if (expect_false (idleall))
1374 {
1375 int pri;
1376
1377 for (pri = NUMPRI; pri--; )
1378 {
1379 if (pendingcnt [pri])
1380 break;
1381
1382 if (idlecnt [pri])
1383 {
1384 queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE);
1385 break;
1386 }
1387 }
1388 }
1389}
1390#endif
1391
1392void inline_speed
1393time_update (EV_P_ ev_tstamp max_block)
1394{
1395 int i;
1396
1397#if EV_USE_MONOTONIC
1398 if (expect_true (have_monotonic))
1399 {
1400 ev_tstamp odiff = rtmn_diff;
1401
1278 mn_now = get_clock (); 1402 mn_now = get_clock ();
1279 1403
1404 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
1405 /* interpolate in the meantime */
1280 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1406 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1281 { 1407 {
1282 ev_rt_now = rtmn_diff + mn_now; 1408 ev_rt_now = rtmn_diff + mn_now;
1283 return 0; 1409 return;
1284 } 1410 }
1285 else 1411
1286 {
1287 now_floor = mn_now; 1412 now_floor = mn_now;
1288 ev_rt_now = ev_time (); 1413 ev_rt_now = ev_time ();
1289 return 1;
1290 }
1291}
1292 1414
1293void inline_size 1415 /* loop a few times, before making important decisions.
1294time_update (EV_P) 1416 * on the choice of "4": one iteration isn't enough,
1295{ 1417 * in case we get preempted during the calls to
1296 int i; 1418 * ev_time and get_clock. a second call is almost guaranteed
1297 1419 * to succeed in that case, though. and looping a few more times
1298#if EV_USE_MONOTONIC 1420 * doesn't hurt either as we only do this on time-jumps or
1299 if (expect_true (have_monotonic)) 1421 * in the unlikely event of having been preempted here.
1300 { 1422 */
1301 if (time_update_monotonic (EV_A)) 1423 for (i = 4; --i; )
1302 { 1424 {
1303 ev_tstamp odiff = rtmn_diff;
1304
1305 /* loop a few times, before making important decisions.
1306 * on the choice of "4": one iteration isn't enough,
1307 * in case we get preempted during the calls to
1308 * ev_time and get_clock. a second call is almost guaranteed
1309 * to succeed in that case, though. and looping a few more times
1310 * doesn't hurt either as we only do this on time-jumps or
1311 * in the unlikely event of having been preempted here.
1312 */
1313 for (i = 4; --i; )
1314 {
1315 rtmn_diff = ev_rt_now - mn_now; 1425 rtmn_diff = ev_rt_now - mn_now;
1316 1426
1317 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1427 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1318 return; /* all is well */ 1428 return; /* all is well */
1319 1429
1320 ev_rt_now = ev_time (); 1430 ev_rt_now = ev_time ();
1321 mn_now = get_clock (); 1431 mn_now = get_clock ();
1322 now_floor = mn_now; 1432 now_floor = mn_now;
1323 } 1433 }
1324 1434
1325# if EV_PERIODIC_ENABLE 1435# if EV_PERIODIC_ENABLE
1326 periodics_reschedule (EV_A); 1436 periodics_reschedule (EV_A);
1327# endif 1437# endif
1328 /* no timer adjustment, as the monotonic clock doesn't jump */ 1438 /* no timer adjustment, as the monotonic clock doesn't jump */
1329 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1439 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1330 }
1331 } 1440 }
1332 else 1441 else
1333#endif 1442#endif
1334 { 1443 {
1335 ev_rt_now = ev_time (); 1444 ev_rt_now = ev_time ();
1336 1445
1337 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1446 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1338 { 1447 {
1339#if EV_PERIODIC_ENABLE 1448#if EV_PERIODIC_ENABLE
1340 periodics_reschedule (EV_A); 1449 periodics_reschedule (EV_A);
1341#endif 1450#endif
1342
1343 /* adjust timers. this is easy, as the offset is the same for all of them */ 1451 /* adjust timers. this is easy, as the offset is the same for all of them */
1344 for (i = 0; i < timercnt; ++i) 1452 for (i = 0; i < timercnt; ++i)
1345 ((WT)timers [i])->at += ev_rt_now - mn_now; 1453 ((WT)timers [i])->at += ev_rt_now - mn_now;
1346 } 1454 }
1347 1455
… …
1391 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 1499 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1392 call_pending (EV_A); 1500 call_pending (EV_A);
1393 } 1501 }
1394#endif 1502#endif
1395 1503
1396 /* queue check watchers (and execute them) */ 1504 /* queue prepare watchers (and execute them) */
1397 if (expect_false (preparecnt)) 1505 if (expect_false (preparecnt))
1398 { 1506 {
1399 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1507 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1400 call_pending (EV_A); 1508 call_pending (EV_A);
1401 } 1509 }
… …
1410 /* update fd-related kernel structures */ 1518 /* update fd-related kernel structures */
1411 fd_reify (EV_A); 1519 fd_reify (EV_A);
1412 1520
1413 /* calculate blocking time */ 1521 /* calculate blocking time */
1414 { 1522 {
1415 ev_tstamp block; 1523 ev_tstamp waittime = 0.;
1524 ev_tstamp sleeptime = 0.;
1416 1525
1417 if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) 1526 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt)))
1418 block = 0.; /* do not block at all */
1419 else
1420 { 1527 {
1421 /* update time to cancel out callback processing overhead */ 1528 /* update time to cancel out callback processing overhead */
1422#if EV_USE_MONOTONIC
1423 if (expect_true (have_monotonic))
1424 time_update_monotonic (EV_A); 1529 time_update (EV_A_ 1e100);
1425 else
1426#endif
1427 {
1428 ev_rt_now = ev_time ();
1429 mn_now = ev_rt_now;
1430 }
1431 1530
1432 block = MAX_BLOCKTIME; 1531 waittime = MAX_BLOCKTIME;
1433 1532
1434 if (timercnt) 1533 if (timercnt)
1435 { 1534 {
1436 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1535 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1437 if (block > to) block = to; 1536 if (waittime > to) waittime = to;
1438 } 1537 }
1439 1538
1440#if EV_PERIODIC_ENABLE 1539#if EV_PERIODIC_ENABLE
1441 if (periodiccnt) 1540 if (periodiccnt)
1442 { 1541 {
1443 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1542 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1444 if (block > to) block = to; 1543 if (waittime > to) waittime = to;
1445 } 1544 }
1446#endif 1545#endif
1447 1546
1448 if (expect_false (block < 0.)) block = 0.; 1547 if (expect_false (waittime < timeout_blocktime))
1548 waittime = timeout_blocktime;
1549
1550 sleeptime = waittime - backend_fudge;
1551
1552 if (expect_true (sleeptime > io_blocktime))
1553 sleeptime = io_blocktime;
1554
1555 if (sleeptime)
1556 {
1557 ev_sleep (sleeptime);
1558 waittime -= sleeptime;
1559 }
1449 } 1560 }
1450 1561
1451 ++loop_count; 1562 ++loop_count;
1452 backend_poll (EV_A_ block); 1563 backend_poll (EV_A_ waittime);
1564
1565 /* update ev_rt_now, do magic */
1566 time_update (EV_A_ waittime + sleeptime);
1453 } 1567 }
1454
1455 /* update ev_rt_now, do magic */
1456 time_update (EV_A);
1457 1568
1458 /* queue pending timers and reschedule them */ 1569 /* queue pending timers and reschedule them */
1459 timers_reify (EV_A); /* relative timers called last */ 1570 timers_reify (EV_A); /* relative timers called last */
1460#if EV_PERIODIC_ENABLE 1571#if EV_PERIODIC_ENABLE
1461 periodics_reify (EV_A); /* absolute timers called first */ 1572 periodics_reify (EV_A); /* absolute timers called first */
1462#endif 1573#endif
1463 1574
1575#if EV_IDLE_ENABLE
1464 /* queue idle watchers unless other events are pending */ 1576 /* queue idle watchers unless other events are pending */
1465 if (idlecnt && !any_pending (EV_A)) 1577 idle_reify (EV_A);
1466 queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); 1578#endif
1467 1579
1468 /* queue check watchers, to be executed first */ 1580 /* queue check watchers, to be executed first */
1469 if (expect_false (checkcnt)) 1581 if (expect_false (checkcnt))
1470 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1582 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1471 1583
… …
1507 head = &(*head)->next; 1619 head = &(*head)->next;
1508 } 1620 }
1509} 1621}
1510 1622
1511void inline_speed 1623void inline_speed
1512ev_clear_pending (EV_P_ W w) 1624clear_pending (EV_P_ W w)
1513{ 1625{
1514 if (w->pending) 1626 if (w->pending)
1515 { 1627 {
1516 pendings [ABSPRI (w)][w->pending - 1].w = 0; 1628 pendings [ABSPRI (w)][w->pending - 1].w = 0;
1517 w->pending = 0; 1629 w->pending = 0;
1518 } 1630 }
1519} 1631}
1520 1632
1633int
1634ev_clear_pending (EV_P_ void *w)
1635{
1636 W w_ = (W)w;
1637 int pending = w_->pending;
1638
1639 if (expect_true (pending))
1640 {
1641 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1642 w_->pending = 0;
1643 p->w = 0;
1644 return p->events;
1645 }
1646 else
1647 return 0;
1648}
1649
1650void inline_size
1651pri_adjust (EV_P_ W w)
1652{
1653 int pri = w->priority;
1654 pri = pri < EV_MINPRI ? EV_MINPRI : pri;
1655 pri = pri > EV_MAXPRI ? EV_MAXPRI : pri;
1656 w->priority = pri;
1657}
1658
1521void inline_speed 1659void inline_speed
1522ev_start (EV_P_ W w, int active) 1660ev_start (EV_P_ W w, int active)
1523{ 1661{
1524 if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; 1662 pri_adjust (EV_A_ w);
1525 if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI;
1526
1527 w->active = active; 1663 w->active = active;
1528 ev_ref (EV_A); 1664 ev_ref (EV_A);
1529} 1665}
1530 1666
1531void inline_size 1667void inline_size
… …
1535 w->active = 0; 1671 w->active = 0;
1536} 1672}
1537 1673
1538/*****************************************************************************/ 1674/*****************************************************************************/
1539 1675
1540void 1676void noinline
1541ev_io_start (EV_P_ ev_io *w) 1677ev_io_start (EV_P_ ev_io *w)
1542{ 1678{
1543 int fd = w->fd; 1679 int fd = w->fd;
1544 1680
1545 if (expect_false (ev_is_active (w))) 1681 if (expect_false (ev_is_active (w)))
… …
1547 1683
1548 assert (("ev_io_start called with negative fd", fd >= 0)); 1684 assert (("ev_io_start called with negative fd", fd >= 0));
1549 1685
1550 ev_start (EV_A_ (W)w, 1); 1686 ev_start (EV_A_ (W)w, 1);
1551 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); 1687 array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init);
1552 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1688 wlist_add (&anfds[fd].head, (WL)w);
1553 1689
1554 fd_change (EV_A_ fd); 1690 fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1);
1691 w->events &= ~EV_IOFDSET;
1555} 1692}
1556 1693
1557void 1694void noinline
1558ev_io_stop (EV_P_ ev_io *w) 1695ev_io_stop (EV_P_ ev_io *w)
1559{ 1696{
1560 ev_clear_pending (EV_A_ (W)w); 1697 clear_pending (EV_A_ (W)w);
1561 if (expect_false (!ev_is_active (w))) 1698 if (expect_false (!ev_is_active (w)))
1562 return; 1699 return;
1563 1700
1564 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 1701 assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
1565 1702
1566 wlist_del ((WL *)&anfds[w->fd].head, (WL)w); 1703 wlist_del (&anfds[w->fd].head, (WL)w);
1567 ev_stop (EV_A_ (W)w); 1704 ev_stop (EV_A_ (W)w);
1568 1705
1569 fd_change (EV_A_ w->fd); 1706 fd_change (EV_A_ w->fd, 1);
1570} 1707}
1571 1708
1572void 1709void noinline
1573ev_timer_start (EV_P_ ev_timer *w) 1710ev_timer_start (EV_P_ ev_timer *w)
1574{ 1711{
1575 if (expect_false (ev_is_active (w))) 1712 if (expect_false (ev_is_active (w)))
1576 return; 1713 return;
1577 1714
1578 ((WT)w)->at += mn_now; 1715 ((WT)w)->at += mn_now;
1579 1716
1580 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1717 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1581 1718
1582 ev_start (EV_A_ (W)w, ++timercnt); 1719 ev_start (EV_A_ (W)w, ++timercnt);
1583 array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); 1720 array_needsize (WT, timers, timermax, timercnt, EMPTY2);
1584 timers [timercnt - 1] = w; 1721 timers [timercnt - 1] = (WT)w;
1585 upheap ((WT *)timers, timercnt - 1); 1722 upheap (timers, timercnt - 1);
1586 1723
1587 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 1724 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/
1588} 1725}
1589 1726
1590void 1727void noinline
1591ev_timer_stop (EV_P_ ev_timer *w) 1728ev_timer_stop (EV_P_ ev_timer *w)
1592{ 1729{
1593 ev_clear_pending (EV_A_ (W)w); 1730 clear_pending (EV_A_ (W)w);
1594 if (expect_false (!ev_is_active (w))) 1731 if (expect_false (!ev_is_active (w)))
1595 return; 1732 return;
1596 1733
1597 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1734 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1598 1735
1599 { 1736 {
1600 int active = ((W)w)->active; 1737 int active = ((W)w)->active;
1601 1738
1602 if (expect_true (--active < --timercnt)) 1739 if (expect_true (--active < --timercnt))
1603 { 1740 {
1604 timers [active] = timers [timercnt]; 1741 timers [active] = timers [timercnt];
1605 adjustheap ((WT *)timers, timercnt, active); 1742 adjustheap (timers, timercnt, active);
1606 } 1743 }
1607 } 1744 }
1608 1745
1609 ((WT)w)->at -= mn_now; 1746 ((WT)w)->at -= mn_now;
1610 1747
1611 ev_stop (EV_A_ (W)w); 1748 ev_stop (EV_A_ (W)w);
1612} 1749}
1613 1750
1614void 1751void noinline
1615ev_timer_again (EV_P_ ev_timer *w) 1752ev_timer_again (EV_P_ ev_timer *w)
1616{ 1753{
1617 if (ev_is_active (w)) 1754 if (ev_is_active (w))
1618 { 1755 {
1619 if (w->repeat) 1756 if (w->repeat)
1620 { 1757 {
1621 ((WT)w)->at = mn_now + w->repeat; 1758 ((WT)w)->at = mn_now + w->repeat;
1622 adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1759 adjustheap (timers, timercnt, ((W)w)->active - 1);
1623 } 1760 }
1624 else 1761 else
1625 ev_timer_stop (EV_A_ w); 1762 ev_timer_stop (EV_A_ w);
1626 } 1763 }
1627 else if (w->repeat) 1764 else if (w->repeat)
… …
1630 ev_timer_start (EV_A_ w); 1767 ev_timer_start (EV_A_ w);
1631 } 1768 }
1632} 1769}
1633 1770
1634#if EV_PERIODIC_ENABLE 1771#if EV_PERIODIC_ENABLE
1635void 1772void noinline
1636ev_periodic_start (EV_P_ ev_periodic *w) 1773ev_periodic_start (EV_P_ ev_periodic *w)
1637{ 1774{
1638 if (expect_false (ev_is_active (w))) 1775 if (expect_false (ev_is_active (w)))
1639 return; 1776 return;
1640 1777
… …
1642 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1779 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1643 else if (w->interval) 1780 else if (w->interval)
1644 { 1781 {
1645 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1782 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1646 /* this formula differs from the one in periodic_reify because we do not always round up */ 1783 /* this formula differs from the one in periodic_reify because we do not always round up */
1647 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1784 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1648 } 1785 }
1786 else
1787 ((WT)w)->at = w->offset;
1649 1788
1650 ev_start (EV_A_ (W)w, ++periodiccnt); 1789 ev_start (EV_A_ (W)w, ++periodiccnt);
1651 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); 1790 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2);
1652 periodics [periodiccnt - 1] = w; 1791 periodics [periodiccnt - 1] = (WT)w;
1653 upheap ((WT *)periodics, periodiccnt - 1); 1792 upheap (periodics, periodiccnt - 1);
1654 1793
1655 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 1794 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/
1656} 1795}
1657 1796
1658void 1797void noinline
1659ev_periodic_stop (EV_P_ ev_periodic *w) 1798ev_periodic_stop (EV_P_ ev_periodic *w)
1660{ 1799{
1661 ev_clear_pending (EV_A_ (W)w); 1800 clear_pending (EV_A_ (W)w);
1662 if (expect_false (!ev_is_active (w))) 1801 if (expect_false (!ev_is_active (w)))
1663 return; 1802 return;
1664 1803
1665 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1804 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1666 1805
1667 { 1806 {
1668 int active = ((W)w)->active; 1807 int active = ((W)w)->active;
1669 1808
1670 if (expect_true (--active < --periodiccnt)) 1809 if (expect_true (--active < --periodiccnt))
1671 { 1810 {
1672 periodics [active] = periodics [periodiccnt]; 1811 periodics [active] = periodics [periodiccnt];
1673 adjustheap ((WT *)periodics, periodiccnt, active); 1812 adjustheap (periodics, periodiccnt, active);
1674 } 1813 }
1675 } 1814 }
1676 1815
1677 ev_stop (EV_A_ (W)w); 1816 ev_stop (EV_A_ (W)w);
1678} 1817}
1679 1818
1680void 1819void noinline
1681ev_periodic_again (EV_P_ ev_periodic *w) 1820ev_periodic_again (EV_P_ ev_periodic *w)
1682{ 1821{
1683 /* TODO: use adjustheap and recalculation */ 1822 /* TODO: use adjustheap and recalculation */
1684 ev_periodic_stop (EV_A_ w); 1823 ev_periodic_stop (EV_A_ w);
1685 ev_periodic_start (EV_A_ w); 1824 ev_periodic_start (EV_A_ w);
… …
1688 1827
1689#ifndef SA_RESTART 1828#ifndef SA_RESTART
1690# define SA_RESTART 0 1829# define SA_RESTART 0
1691#endif 1830#endif
1692 1831
1693void 1832void noinline
1694ev_signal_start (EV_P_ ev_signal *w) 1833ev_signal_start (EV_P_ ev_signal *w)
1695{ 1834{
1696#if EV_MULTIPLICITY 1835#if EV_MULTIPLICITY
1697 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1836 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1698#endif 1837#endif
1699 if (expect_false (ev_is_active (w))) 1838 if (expect_false (ev_is_active (w)))
1700 return; 1839 return;
1701 1840
1702 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1841 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
1703 1842
1843 {
1844#ifndef _WIN32
1845 sigset_t full, prev;
1846 sigfillset (&full);
1847 sigprocmask (SIG_SETMASK, &full, &prev);
1848#endif
1849
1850 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1851
1852#ifndef _WIN32
1853 sigprocmask (SIG_SETMASK, &prev, 0);
1854#endif
1855 }
1856
1704 ev_start (EV_A_ (W)w, 1); 1857 ev_start (EV_A_ (W)w, 1);
1705 array_needsize (ANSIG, signals, signalmax, w->signum, signals_init);
1706 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1858 wlist_add (&signals [w->signum - 1].head, (WL)w);
1707 1859
1708 if (!((WL)w)->next) 1860 if (!((WL)w)->next)
1709 { 1861 {
1710#if _WIN32 1862#if _WIN32
1711 signal (w->signum, sighandler); 1863 signal (w->signum, sighandler);
… …
1717 sigaction (w->signum, &sa, 0); 1869 sigaction (w->signum, &sa, 0);
1718#endif 1870#endif
1719 } 1871 }
1720} 1872}
1721 1873
1722void 1874void noinline
1723ev_signal_stop (EV_P_ ev_signal *w) 1875ev_signal_stop (EV_P_ ev_signal *w)
1724{ 1876{
1725 ev_clear_pending (EV_A_ (W)w); 1877 clear_pending (EV_A_ (W)w);
1726 if (expect_false (!ev_is_active (w))) 1878 if (expect_false (!ev_is_active (w)))
1727 return; 1879 return;
1728 1880
1729 wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); 1881 wlist_del (&signals [w->signum - 1].head, (WL)w);
1730 ev_stop (EV_A_ (W)w); 1882 ev_stop (EV_A_ (W)w);
1731 1883
1732 if (!signals [w->signum - 1].head) 1884 if (!signals [w->signum - 1].head)
1733 signal (w->signum, SIG_DFL); 1885 signal (w->signum, SIG_DFL);
1734} 1886}
… …
1741#endif 1893#endif
1742 if (expect_false (ev_is_active (w))) 1894 if (expect_false (ev_is_active (w)))
1743 return; 1895 return;
1744 1896
1745 ev_start (EV_A_ (W)w, 1); 1897 ev_start (EV_A_ (W)w, 1);
1746 wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 1898 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1747} 1899}
1748 1900
1749void 1901void
1750ev_child_stop (EV_P_ ev_child *w) 1902ev_child_stop (EV_P_ ev_child *w)
1751{ 1903{
1752 ev_clear_pending (EV_A_ (W)w); 1904 clear_pending (EV_A_ (W)w);
1753 if (expect_false (!ev_is_active (w))) 1905 if (expect_false (!ev_is_active (w)))
1754 return; 1906 return;
1755 1907
1756 wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 1908 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w);
1757 ev_stop (EV_A_ (W)w); 1909 ev_stop (EV_A_ (W)w);
1758} 1910}
1759 1911
1760#if EV_STAT_ENABLE 1912#if EV_STAT_ENABLE
1761 1913
… …
1993} 2145}
1994 2146
1995void 2147void
1996ev_stat_stop (EV_P_ ev_stat *w) 2148ev_stat_stop (EV_P_ ev_stat *w)
1997{ 2149{
1998 ev_clear_pending (EV_A_ (W)w); 2150 clear_pending (EV_A_ (W)w);
1999 if (expect_false (!ev_is_active (w))) 2151 if (expect_false (!ev_is_active (w)))
2000 return; 2152 return;
2001 2153
2002#if EV_USE_INOTIFY 2154#if EV_USE_INOTIFY
2003 infy_del (EV_A_ w); 2155 infy_del (EV_A_ w);
… …
2006 2158
2007 ev_stop (EV_A_ (W)w); 2159 ev_stop (EV_A_ (W)w);
2008} 2160}
2009#endif 2161#endif
2010 2162
2163#if EV_IDLE_ENABLE
2011void 2164void
2012ev_idle_start (EV_P_ ev_idle *w) 2165ev_idle_start (EV_P_ ev_idle *w)
2013{ 2166{
2014 if (expect_false (ev_is_active (w))) 2167 if (expect_false (ev_is_active (w)))
2015 return; 2168 return;
2016 2169
2170 pri_adjust (EV_A_ (W)w);
2171
2172 {
2173 int active = ++idlecnt [ABSPRI (w)];
2174
2175 ++idleall;
2017 ev_start (EV_A_ (W)w, ++idlecnt); 2176 ev_start (EV_A_ (W)w, active);
2177
2018 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); 2178 array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);
2019 idles [idlecnt - 1] = w; 2179 idles [ABSPRI (w)][active - 1] = w;
2180 }
2020} 2181}
2021 2182
2022void 2183void
2023ev_idle_stop (EV_P_ ev_idle *w) 2184ev_idle_stop (EV_P_ ev_idle *w)
2024{ 2185{
2025 ev_clear_pending (EV_A_ (W)w); 2186 clear_pending (EV_A_ (W)w);
2026 if (expect_false (!ev_is_active (w))) 2187 if (expect_false (!ev_is_active (w)))
2027 return; 2188 return;
2028 2189
2029 { 2190 {
2030 int active = ((W)w)->active; 2191 int active = ((W)w)->active;
2031 idles [active - 1] = idles [--idlecnt]; 2192
2193 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2032 ((W)idles [active - 1])->active = active; 2194 ((W)idles [ABSPRI (w)][active - 1])->active = active;
2195
2196 ev_stop (EV_A_ (W)w);
2197 --idleall;
2033 } 2198 }
2034
2035 ev_stop (EV_A_ (W)w);
2036} 2199}
2200#endif
2037 2201
2038void 2202void
2039ev_prepare_start (EV_P_ ev_prepare *w) 2203ev_prepare_start (EV_P_ ev_prepare *w)
2040{ 2204{
2041 if (expect_false (ev_is_active (w))) 2205 if (expect_false (ev_is_active (w)))
… …
2047} 2211}
2048 2212
2049void 2213void
2050ev_prepare_stop (EV_P_ ev_prepare *w) 2214ev_prepare_stop (EV_P_ ev_prepare *w)
2051{ 2215{
2052 ev_clear_pending (EV_A_ (W)w); 2216 clear_pending (EV_A_ (W)w);
2053 if (expect_false (!ev_is_active (w))) 2217 if (expect_false (!ev_is_active (w)))
2054 return; 2218 return;
2055 2219
2056 { 2220 {
2057 int active = ((W)w)->active; 2221 int active = ((W)w)->active;
… …
2074} 2238}
2075 2239
2076void 2240void
2077ev_check_stop (EV_P_ ev_check *w) 2241ev_check_stop (EV_P_ ev_check *w)
2078{ 2242{
2079 ev_clear_pending (EV_A_ (W)w); 2243 clear_pending (EV_A_ (W)w);
2080 if (expect_false (!ev_is_active (w))) 2244 if (expect_false (!ev_is_active (w)))
2081 return; 2245 return;
2082 2246
2083 { 2247 {
2084 int active = ((W)w)->active; 2248 int active = ((W)w)->active;
… …
2091 2255
2092#if EV_EMBED_ENABLE 2256#if EV_EMBED_ENABLE
2093void noinline 2257void noinline
2094ev_embed_sweep (EV_P_ ev_embed *w) 2258ev_embed_sweep (EV_P_ ev_embed *w)
2095{ 2259{
2096 ev_loop (w->loop, EVLOOP_NONBLOCK); 2260 ev_loop (w->other, EVLOOP_NONBLOCK);
2097} 2261}
2098 2262
2099static void 2263static void
2100embed_cb (EV_P_ ev_io *io, int revents) 2264embed_io_cb (EV_P_ ev_io *io, int revents)
2101{ 2265{
2102 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 2266 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
2103 2267
2104 if (ev_cb (w)) 2268 if (ev_cb (w))
2105 ev_feed_event (EV_A_ (W)w, EV_EMBED); 2269 ev_feed_event (EV_A_ (W)w, EV_EMBED);
2106 else 2270 else
2107 ev_embed_sweep (loop, w); 2271 ev_loop (w->other, EVLOOP_NONBLOCK);
2108} 2272}
2273
2274static void
2275embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
2276{
2277 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
2278
2279 {
2280 struct ev_loop *loop = w->other;
2281
2282 while (fdchangecnt)
2283 {
2284 fd_reify (EV_A);
2285 ev_loop (EV_A_ EVLOOP_NONBLOCK);
2286 }
2287 }
2288}
2289
2290#if 0
2291static void
2292embed_idle_cb (EV_P_ ev_idle *idle, int revents)
2293{
2294 ev_idle_stop (EV_A_ idle);
2295}
2296#endif
2109 2297
2110void 2298void
2111ev_embed_start (EV_P_ ev_embed *w) 2299ev_embed_start (EV_P_ ev_embed *w)
2112{ 2300{
2113 if (expect_false (ev_is_active (w))) 2301 if (expect_false (ev_is_active (w)))
2114 return; 2302 return;
2115 2303
2116 { 2304 {
2117 struct ev_loop *loop = w->loop; 2305 struct ev_loop *loop = w->other;
2118 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 2306 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
2119 ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); 2307 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
2120 } 2308 }
2121 2309
2122 ev_set_priority (&w->io, ev_priority (w)); 2310 ev_set_priority (&w->io, ev_priority (w));
2123 ev_io_start (EV_A_ &w->io); 2311 ev_io_start (EV_A_ &w->io);
2124 2312
2313 ev_prepare_init (&w->prepare, embed_prepare_cb);
2314 ev_set_priority (&w->prepare, EV_MINPRI);
2315 ev_prepare_start (EV_A_ &w->prepare);
2316
2317 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
2318
2125 ev_start (EV_A_ (W)w, 1); 2319 ev_start (EV_A_ (W)w, 1);
2126} 2320}
2127 2321
2128void 2322void
2129ev_embed_stop (EV_P_ ev_embed *w) 2323ev_embed_stop (EV_P_ ev_embed *w)
2130{ 2324{
2131 ev_clear_pending (EV_A_ (W)w); 2325 clear_pending (EV_A_ (W)w);
2132 if (expect_false (!ev_is_active (w))) 2326 if (expect_false (!ev_is_active (w)))
2133 return; 2327 return;
2134 2328
2135 ev_io_stop (EV_A_ &w->io); 2329 ev_io_stop (EV_A_ &w->io);
2330 ev_prepare_stop (EV_A_ &w->prepare);
2136 2331
2137 ev_stop (EV_A_ (W)w); 2332 ev_stop (EV_A_ (W)w);
2138} 2333}
2139#endif 2334#endif
2140 2335
… …
2151} 2346}
2152 2347
2153void 2348void
2154ev_fork_stop (EV_P_ ev_fork *w) 2349ev_fork_stop (EV_P_ ev_fork *w)
2155{ 2350{
2156 ev_clear_pending (EV_A_ (W)w); 2351 clear_pending (EV_A_ (W)w);
2157 if (expect_false (!ev_is_active (w))) 2352 if (expect_false (!ev_is_active (w)))
2158 return; 2353 return;
2159 2354
2160 { 2355 {
2161 int active = ((W)w)->active; 2356 int active = ((W)w)->active;
… …
2229 ev_timer_set (&once->to, timeout, 0.); 2424 ev_timer_set (&once->to, timeout, 0.);
2230 ev_timer_start (EV_A_ &once->to); 2425 ev_timer_start (EV_A_ &once->to);
2231 } 2426 }
2232} 2427}
2233 2428
2429#if EV_MULTIPLICITY
2430 #include "ev_wrap.h"
2431#endif
2432
2234#ifdef __cplusplus 2433#ifdef __cplusplus
2235} 2434}
2236#endif 2435#endif
2237 2436

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