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Comparing libev/ev.c (file contents):
Revision 1.209 by root, Tue Feb 5 23:56:33 2008 UTC vs.
Revision 1.230 by root, Fri May 2 08:13:16 2008 UTC

… …
39 39
40#ifdef __cplusplus 40#ifdef __cplusplus
41extern "C" { 41extern "C" {
42#endif 42#endif
43 43
44/* this big block deduces configuration from config.h */
44#ifndef EV_STANDALONE 45#ifndef EV_STANDALONE
45# ifdef EV_CONFIG_H 46# ifdef EV_CONFIG_H
46# include EV_CONFIG_H 47# include EV_CONFIG_H
47# else 48# else
48# include "config.h" 49# include "config.h"
… …
118# else 119# else
119# define EV_USE_INOTIFY 0 120# define EV_USE_INOTIFY 0
120# endif 121# endif
121# endif 122# endif
122 123
124# ifndef EV_USE_EVENTFD
125# if HAVE_EVENTFD
126# define EV_USE_EVENTFD 1
127# else
128# define EV_USE_EVENTFD 0
129# endif
130# endif
131
123#endif 132#endif
124 133
125#include <math.h> 134#include <math.h>
126#include <stdlib.h> 135#include <stdlib.h>
127#include <fcntl.h> 136#include <fcntl.h>
… …
152# ifndef EV_SELECT_IS_WINSOCKET 161# ifndef EV_SELECT_IS_WINSOCKET
153# define EV_SELECT_IS_WINSOCKET 1 162# define EV_SELECT_IS_WINSOCKET 1
154# endif 163# endif
155#endif 164#endif
156 165
157/**/ 166/* this block tries to deduce configuration from header-defined symbols and defaults */
158 167
159#ifndef EV_USE_MONOTONIC 168#ifndef EV_USE_MONOTONIC
160# define EV_USE_MONOTONIC 0 169# define EV_USE_MONOTONIC 0
161#endif 170#endif
162 171
… …
179# define EV_USE_POLL 1 188# define EV_USE_POLL 1
180# endif 189# endif
181#endif 190#endif
182 191
183#ifndef EV_USE_EPOLL 192#ifndef EV_USE_EPOLL
193# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
194# define EV_USE_EPOLL 1
195# else
184# define EV_USE_EPOLL 0 196# define EV_USE_EPOLL 0
197# endif
185#endif 198#endif
186 199
187#ifndef EV_USE_KQUEUE 200#ifndef EV_USE_KQUEUE
188# define EV_USE_KQUEUE 0 201# define EV_USE_KQUEUE 0
189#endif 202#endif
… …
191#ifndef EV_USE_PORT 204#ifndef EV_USE_PORT
192# define EV_USE_PORT 0 205# define EV_USE_PORT 0
193#endif 206#endif
194 207
195#ifndef EV_USE_INOTIFY 208#ifndef EV_USE_INOTIFY
209# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
210# define EV_USE_INOTIFY 1
211# else
196# define EV_USE_INOTIFY 0 212# define EV_USE_INOTIFY 0
213# endif
197#endif 214#endif
198 215
199#ifndef EV_PID_HASHSIZE 216#ifndef EV_PID_HASHSIZE
200# if EV_MINIMAL 217# if EV_MINIMAL
201# define EV_PID_HASHSIZE 1 218# define EV_PID_HASHSIZE 1
… …
210# else 227# else
211# define EV_INOTIFY_HASHSIZE 16 228# define EV_INOTIFY_HASHSIZE 16
212# endif 229# endif
213#endif 230#endif
214 231
215/**/ 232#ifndef EV_USE_EVENTFD
233# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
234# define EV_USE_EVENTFD 1
235# else
236# define EV_USE_EVENTFD 0
237# endif
238#endif
239
240/* this block fixes any misconfiguration where we know we run into trouble otherwise */
216 241
217#ifndef CLOCK_MONOTONIC 242#ifndef CLOCK_MONOTONIC
218# undef EV_USE_MONOTONIC 243# undef EV_USE_MONOTONIC
219# define EV_USE_MONOTONIC 0 244# define EV_USE_MONOTONIC 0
220#endif 245#endif
… …
239# include <sys/inotify.h> 264# include <sys/inotify.h>
240#endif 265#endif
241 266
242#if EV_SELECT_IS_WINSOCKET 267#if EV_SELECT_IS_WINSOCKET
243# include <winsock.h> 268# include <winsock.h>
269#endif
270
271#if EV_USE_EVENTFD
272/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
273# include <stdint.h>
274# ifdef __cplusplus
275extern "C" {
276# endif
277int eventfd (unsigned int initval, int flags);
278# ifdef __cplusplus
279}
280# endif
244#endif 281#endif
245 282
246/**/ 283/**/
247 284
248/* 285/*
… …
263# define expect(expr,value) __builtin_expect ((expr),(value)) 300# define expect(expr,value) __builtin_expect ((expr),(value))
264# define noinline __attribute__ ((noinline)) 301# define noinline __attribute__ ((noinline))
265#else 302#else
266# define expect(expr,value) (expr) 303# define expect(expr,value) (expr)
267# define noinline 304# define noinline
268# if __STDC_VERSION__ < 199901L 305# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
269# define inline 306# define inline
270# endif 307# endif
271#endif 308#endif
272 309
273#define expect_false(expr) expect ((expr) != 0, 0) 310#define expect_false(expr) expect ((expr) != 0, 0)
… …
288 325
289typedef ev_watcher *W; 326typedef ev_watcher *W;
290typedef ev_watcher_list *WL; 327typedef ev_watcher_list *WL;
291typedef ev_watcher_time *WT; 328typedef ev_watcher_time *WT;
292 329
330#define ev_active(w) ((W)(w))->active
331#define ev_at(w) ((WT)(w))->at
332
293#if EV_USE_MONOTONIC 333#if EV_USE_MONOTONIC
294/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 334/* sig_atomic_t is used to avoid per-thread variables or locking but still */
295/* giving it a reasonably high chance of working on typical architetcures */ 335/* giving it a reasonably high chance of working on typical architetcures */
296static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 336static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
297#endif 337#endif
… …
323 perror (msg); 363 perror (msg);
324 abort (); 364 abort ();
325 } 365 }
326} 366}
327 367
368static void *
369ev_realloc_emul (void *ptr, long size)
370{
371 /* some systems, notably openbsd and darwin, fail to properly
372 * implement realloc (x, 0) (as required by both ansi c-98 and
373 * the single unix specification, so work around them here.
374 */
375
376 if (size)
377 return realloc (ptr, size);
378
379 free (ptr);
380 return 0;
381}
382
328static void *(*alloc)(void *ptr, long size); 383static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
329 384
330void 385void
331ev_set_allocator (void *(*cb)(void *ptr, long size)) 386ev_set_allocator (void *(*cb)(void *ptr, long size))
332{ 387{
333 alloc = cb; 388 alloc = cb;
334} 389}
335 390
336inline_speed void * 391inline_speed void *
337ev_realloc (void *ptr, long size) 392ev_realloc (void *ptr, long size)
338{ 393{
339 ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); 394 ptr = alloc (ptr, size);
340 395
341 if (!ptr && size) 396 if (!ptr && size)
342 { 397 {
343 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 398 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
344 abort (); 399 abort ();
… …
451 ts.tv_sec = (time_t)delay; 506 ts.tv_sec = (time_t)delay;
452 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); 507 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
453 508
454 nanosleep (&ts, 0); 509 nanosleep (&ts, 0);
455#elif defined(_WIN32) 510#elif defined(_WIN32)
456 Sleep (delay * 1e3); 511 Sleep ((unsigned long)(delay * 1e3));
457#else 512#else
458 struct timeval tv; 513 struct timeval tv;
459 514
460 tv.tv_sec = (time_t)delay; 515 tv.tv_sec = (time_t)delay;
461 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); 516 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
… …
702 } 757 }
703} 758}
704 759
705/*****************************************************************************/ 760/*****************************************************************************/
706 761
762/* towards the root */
707void inline_speed 763void inline_speed
708upheap (WT *heap, int k) 764upheap (WT *heap, int k)
709{ 765{
710 WT w = heap [k]; 766 WT w = heap [k];
711 767
712 while (k) 768 for (;;)
713 { 769 {
714 int p = (k - 1) >> 1; 770 int p = k >> 1;
715 771
772 /* maybe we could use a dummy element at heap [0]? */
716 if (heap [p]->at <= w->at) 773 if (!p || heap [p]->at <= w->at)
717 break; 774 break;
718 775
719 heap [k] = heap [p]; 776 heap [k] = heap [p];
720 ((W)heap [k])->active = k + 1; 777 ev_active (heap [k]) = k;
721 k = p; 778 k = p;
722 } 779 }
723 780
724 heap [k] = w; 781 heap [k] = w;
725 ((W)heap [k])->active = k + 1; 782 ev_active (heap [k]) = k;
726} 783}
727 784
785/* away from the root */
728void inline_speed 786void inline_speed
729downheap (WT *heap, int N, int k) 787downheap (WT *heap, int N, int k)
730{ 788{
731 WT w = heap [k]; 789 WT w = heap [k];
732 790
733 for (;;) 791 for (;;)
734 { 792 {
735 int c = (k << 1) + 1; 793 int c = k << 1;
736 794
737 if (c >= N) 795 if (c > N)
738 break; 796 break;
739 797
740 c += c + 1 < N && heap [c]->at > heap [c + 1]->at 798 c += c < N && heap [c]->at > heap [c + 1]->at
741 ? 1 : 0; 799 ? 1 : 0;
742 800
743 if (w->at <= heap [c]->at) 801 if (w->at <= heap [c]->at)
744 break; 802 break;
745 803
746 heap [k] = heap [c]; 804 heap [k] = heap [c];
747 ((W)heap [k])->active = k + 1; 805 ev_active (heap [k]) = k;
748 806
749 k = c; 807 k = c;
750 } 808 }
751 809
752 heap [k] = w; 810 heap [k] = w;
753 ((W)heap [k])->active = k + 1; 811 ev_active (heap [k]) = k;
754} 812}
755 813
756void inline_size 814void inline_size
757adjustheap (WT *heap, int N, int k) 815adjustheap (WT *heap, int N, int k)
758{ 816{
… …
802static void noinline 860static void noinline
803evpipe_init (EV_P) 861evpipe_init (EV_P)
804{ 862{
805 if (!ev_is_active (&pipeev)) 863 if (!ev_is_active (&pipeev))
806 { 864 {
865#if EV_USE_EVENTFD
866 if ((evfd = eventfd (0, 0)) >= 0)
867 {
868 evpipe [0] = -1;
869 fd_intern (evfd);
870 ev_io_set (&pipeev, evfd, EV_READ);
871 }
872 else
873#endif
874 {
807 while (pipe (evpipe)) 875 while (pipe (evpipe))
808 syserr ("(libev) error creating signal/async pipe"); 876 syserr ("(libev) error creating signal/async pipe");
809 877
810 fd_intern (evpipe [0]); 878 fd_intern (evpipe [0]);
811 fd_intern (evpipe [1]); 879 fd_intern (evpipe [1]);
812
813 ev_io_set (&pipeev, evpipe [0], EV_READ); 880 ev_io_set (&pipeev, evpipe [0], EV_READ);
881 }
882
814 ev_io_start (EV_A_ &pipeev); 883 ev_io_start (EV_A_ &pipeev);
815 ev_unref (EV_A); /* child watcher should not keep loop alive */ 884 ev_unref (EV_A); /* watcher should not keep loop alive */
816 } 885 }
817} 886}
818 887
819void inline_size 888void inline_size
820evpipe_write (EV_P_ int sig, int async) 889evpipe_write (EV_P_ EV_ATOMIC_T *flag)
821{ 890{
822 if (!(gotasync || gotsig)) 891 if (!*flag)
823 { 892 {
824 int old_errno = errno; 893 int old_errno = errno; /* save errno because write might clobber it */
825 894
826 if (sig) gotsig = 1; 895 *flag = 1;
827 if (async) gotasync = 1;
828 896
897#if EV_USE_EVENTFD
898 if (evfd >= 0)
899 {
900 uint64_t counter = 1;
901 write (evfd, &counter, sizeof (uint64_t));
902 }
903 else
904#endif
829 write (evpipe [1], &old_errno, 1); 905 write (evpipe [1], &old_errno, 1);
906
830 errno = old_errno; 907 errno = old_errno;
831 } 908 }
832} 909}
833 910
834static void 911static void
835pipecb (EV_P_ ev_io *iow, int revents) 912pipecb (EV_P_ ev_io *iow, int revents)
836{ 913{
914#if EV_USE_EVENTFD
915 if (evfd >= 0)
837 { 916 {
838 int dummy; 917 uint64_t counter = 1;
918 read (evfd, &counter, sizeof (uint64_t));
919 }
920 else
921#endif
922 {
923 char dummy;
839 read (evpipe [0], &dummy, 1); 924 read (evpipe [0], &dummy, 1);
840 } 925 }
841 926
842 if (gotsig) 927 if (gotsig && ev_is_default_loop (EV_A))
843 { 928 {
844 int signum; 929 int signum;
845 gotsig = 0; 930 gotsig = 0;
846 931
847 for (signum = signalmax; signum--; ) 932 for (signum = signalmax; signum--; )
… …
866} 951}
867 952
868/*****************************************************************************/ 953/*****************************************************************************/
869 954
870static void 955static void
871sighandler (int signum) 956ev_sighandler (int signum)
872{ 957{
873#if EV_MULTIPLICITY 958#if EV_MULTIPLICITY
874 struct ev_loop *loop = &default_loop_struct; 959 struct ev_loop *loop = &default_loop_struct;
875#endif 960#endif
876 961
877#if _WIN32 962#if _WIN32
878 signal (signum, sighandler); 963 signal (signum, ev_sighandler);
879#endif 964#endif
880 965
881 signals [signum - 1].gotsig = 1; 966 signals [signum - 1].gotsig = 1;
882 evpipe_write (EV_A_ 1, 0); 967 evpipe_write (EV_A_ &gotsig);
883} 968}
884 969
885void noinline 970void noinline
886ev_feed_signal_event (EV_P_ int signum) 971ev_feed_signal_event (EV_P_ int signum)
887{ 972{
… …
913#ifndef WIFCONTINUED 998#ifndef WIFCONTINUED
914# define WIFCONTINUED(status) 0 999# define WIFCONTINUED(status) 0
915#endif 1000#endif
916 1001
917void inline_speed 1002void inline_speed
918child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) 1003child_reap (EV_P_ int chain, int pid, int status)
919{ 1004{
920 ev_child *w; 1005 ev_child *w;
921 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1006 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
922 1007
923 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1008 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
924 { 1009 {
925 if ((w->pid == pid || !w->pid) 1010 if ((w->pid == pid || !w->pid)
926 && (!traced || (w->flags & 1))) 1011 && (!traced || (w->flags & 1)))
927 { 1012 {
928 ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ 1013 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
929 w->rpid = pid; 1014 w->rpid = pid;
930 w->rstatus = status; 1015 w->rstatus = status;
931 ev_feed_event (EV_A_ (W)w, EV_CHILD); 1016 ev_feed_event (EV_A_ (W)w, EV_CHILD);
932 } 1017 }
933 } 1018 }
… …
947 if (!WCONTINUED 1032 if (!WCONTINUED
948 || errno != EINVAL 1033 || errno != EINVAL
949 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) 1034 || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED)))
950 return; 1035 return;
951 1036
952 /* make sure we are called again until all childs have been reaped */ 1037 /* make sure we are called again until all children have been reaped */
953 /* we need to do it this way so that the callback gets called before we continue */ 1038 /* we need to do it this way so that the callback gets called before we continue */
954 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1039 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
955 1040
956 child_reap (EV_A_ sw, pid, pid, status); 1041 child_reap (EV_A_ pid, pid, status);
957 if (EV_PID_HASHSIZE > 1) 1042 if (EV_PID_HASHSIZE > 1)
958 child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1043 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
959} 1044}
960 1045
961#endif 1046#endif
962 1047
963/*****************************************************************************/ 1048/*****************************************************************************/
… …
1106 if (!(flags & EVFLAG_NOENV) 1191 if (!(flags & EVFLAG_NOENV)
1107 && !enable_secure () 1192 && !enable_secure ()
1108 && getenv ("LIBEV_FLAGS")) 1193 && getenv ("LIBEV_FLAGS"))
1109 flags = atoi (getenv ("LIBEV_FLAGS")); 1194 flags = atoi (getenv ("LIBEV_FLAGS"));
1110 1195
1111 if (!(flags & 0x0000ffffUL)) 1196 if (!(flags & 0x0000ffffU))
1112 flags |= ev_recommended_backends (); 1197 flags |= ev_recommended_backends ();
1113 1198
1114#if EV_USE_PORT 1199#if EV_USE_PORT
1115 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1200 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1116#endif 1201#endif
… …
1140 if (ev_is_active (&pipeev)) 1225 if (ev_is_active (&pipeev))
1141 { 1226 {
1142 ev_ref (EV_A); /* signal watcher */ 1227 ev_ref (EV_A); /* signal watcher */
1143 ev_io_stop (EV_A_ &pipeev); 1228 ev_io_stop (EV_A_ &pipeev);
1144 1229
1145 close (evpipe [0]); evpipe [0] = 0; 1230#if EV_USE_EVENTFD
1146 close (evpipe [1]); evpipe [1] = 0; 1231 if (evfd >= 0)
1232 close (evfd);
1233#endif
1234
1235 if (evpipe [0] >= 0)
1236 {
1237 close (evpipe [0]);
1238 close (evpipe [1]);
1239 }
1147 } 1240 }
1148 1241
1149#if EV_USE_INOTIFY 1242#if EV_USE_INOTIFY
1150 if (fs_fd >= 0) 1243 if (fs_fd >= 0)
1151 close (fs_fd); 1244 close (fs_fd);
… …
1196#endif 1289#endif
1197 1290
1198 backend = 0; 1291 backend = 0;
1199} 1292}
1200 1293
1294#if EV_USE_INOTIFY
1201void inline_size infy_fork (EV_P); 1295void inline_size infy_fork (EV_P);
1296#endif
1202 1297
1203void inline_size 1298void inline_size
1204loop_fork (EV_P) 1299loop_fork (EV_P)
1205{ 1300{
1206#if EV_USE_PORT 1301#if EV_USE_PORT
… …
1217#endif 1312#endif
1218 1313
1219 if (ev_is_active (&pipeev)) 1314 if (ev_is_active (&pipeev))
1220 { 1315 {
1221 /* this "locks" the handlers against writing to the pipe */ 1316 /* this "locks" the handlers against writing to the pipe */
1317 /* while we modify the fd vars */
1318 gotsig = 1;
1319#if EV_ASYNC_ENABLE
1222 gotsig = gotasync = 1; 1320 gotasync = 1;
1321#endif
1223 1322
1224 ev_ref (EV_A); 1323 ev_ref (EV_A);
1225 ev_io_stop (EV_A_ &pipeev); 1324 ev_io_stop (EV_A_ &pipeev);
1325
1326#if EV_USE_EVENTFD
1327 if (evfd >= 0)
1328 close (evfd);
1329#endif
1330
1331 if (evpipe [0] >= 0)
1332 {
1226 close (evpipe [0]); 1333 close (evpipe [0]);
1227 close (evpipe [1]); 1334 close (evpipe [1]);
1335 }
1228 1336
1229 evpipe_init (EV_A); 1337 evpipe_init (EV_A);
1230 /* now iterate over everything, in case we missed something */ 1338 /* now iterate over everything, in case we missed something */
1231 pipecb (EV_A_ &pipeev, EV_READ); 1339 pipecb (EV_A_ &pipeev, EV_READ);
1232 } 1340 }
… …
1354} 1462}
1355 1463
1356void inline_size 1464void inline_size
1357timers_reify (EV_P) 1465timers_reify (EV_P)
1358{ 1466{
1359 while (timercnt && ((WT)timers [0])->at <= mn_now) 1467 while (timercnt && ev_at (timers [1]) <= mn_now)
1360 { 1468 {
1361 ev_timer *w = (ev_timer *)timers [0]; 1469 ev_timer *w = (ev_timer *)timers [1];
1362 1470
1363 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ 1471 /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/
1364 1472
1365 /* first reschedule or stop timer */ 1473 /* first reschedule or stop timer */
1366 if (w->repeat) 1474 if (w->repeat)
1367 { 1475 {
1368 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 1476 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
1369 1477
1370 ((WT)w)->at += w->repeat; 1478 ev_at (w) += w->repeat;
1371 if (((WT)w)->at < mn_now) 1479 if (ev_at (w) < mn_now)
1372 ((WT)w)->at = mn_now; 1480 ev_at (w) = mn_now;
1373 1481
1374 downheap (timers, timercnt, 0); 1482 downheap (timers, timercnt, 1);
1375 } 1483 }
1376 else 1484 else
1377 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 1485 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
1378 1486
1379 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); 1487 ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
… …
1382 1490
1383#if EV_PERIODIC_ENABLE 1491#if EV_PERIODIC_ENABLE
1384void inline_size 1492void inline_size
1385periodics_reify (EV_P) 1493periodics_reify (EV_P)
1386{ 1494{
1387 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1495 while (periodiccnt && ev_at (periodics [1]) <= ev_rt_now)
1388 { 1496 {
1389 ev_periodic *w = (ev_periodic *)periodics [0]; 1497 ev_periodic *w = (ev_periodic *)periodics [1];
1390 1498
1391 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1499 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1392 1500
1393 /* first reschedule or stop timer */ 1501 /* first reschedule or stop timer */
1394 if (w->reschedule_cb) 1502 if (w->reschedule_cb)
1395 { 1503 {
1396 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); 1504 ev_at (w) = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1397 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1505 assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) > ev_rt_now));
1398 downheap (periodics, periodiccnt, 0); 1506 downheap (periodics, periodiccnt, 1);
1399 } 1507 }
1400 else if (w->interval) 1508 else if (w->interval)
1401 { 1509 {
1402 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1510 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1403 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; 1511 if (ev_at (w) - ev_rt_now <= TIME_EPSILON) ev_at (w) += w->interval;
1404 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); 1512 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ev_at (w) > ev_rt_now));
1405 downheap (periodics, periodiccnt, 0); 1513 downheap (periodics, periodiccnt, 1);
1406 } 1514 }
1407 else 1515 else
1408 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1516 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
1409 1517
1410 ev_feed_event (EV_A_ (W)w, EV_PERIODIC); 1518 ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
… …
1420 for (i = 0; i < periodiccnt; ++i) 1528 for (i = 0; i < periodiccnt; ++i)
1421 { 1529 {
1422 ev_periodic *w = (ev_periodic *)periodics [i]; 1530 ev_periodic *w = (ev_periodic *)periodics [i];
1423 1531
1424 if (w->reschedule_cb) 1532 if (w->reschedule_cb)
1425 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1533 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1426 else if (w->interval) 1534 else if (w->interval)
1427 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1535 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1428 } 1536 }
1429 1537
1430 /* now rebuild the heap */ 1538 /* now rebuild the heap */
1431 for (i = periodiccnt >> 1; i--; ) 1539 for (i = periodiccnt >> 1; i--; )
1432 downheap (periodics, periodiccnt, i); 1540 downheap (periodics, periodiccnt, i);
… …
1514 { 1622 {
1515#if EV_PERIODIC_ENABLE 1623#if EV_PERIODIC_ENABLE
1516 periodics_reschedule (EV_A); 1624 periodics_reschedule (EV_A);
1517#endif 1625#endif
1518 /* adjust timers. this is easy, as the offset is the same for all of them */ 1626 /* adjust timers. this is easy, as the offset is the same for all of them */
1519 for (i = 0; i < timercnt; ++i) 1627 for (i = 1; i <= timercnt; ++i)
1520 ((WT)timers [i])->at += ev_rt_now - mn_now; 1628 ev_at (timers [i]) += ev_rt_now - mn_now;
1521 } 1629 }
1522 1630
1523 mn_now = ev_rt_now; 1631 mn_now = ev_rt_now;
1524 } 1632 }
1525} 1633}
… …
1539static int loop_done; 1647static int loop_done;
1540 1648
1541void 1649void
1542ev_loop (EV_P_ int flags) 1650ev_loop (EV_P_ int flags)
1543{ 1651{
1544 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) 1652 loop_done = EVUNLOOP_CANCEL;
1545 ? EVUNLOOP_ONE
1546 : EVUNLOOP_CANCEL;
1547 1653
1548 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ 1654 call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */
1549 1655
1550 do 1656 do
1551 { 1657 {
… …
1597 1703
1598 waittime = MAX_BLOCKTIME; 1704 waittime = MAX_BLOCKTIME;
1599 1705
1600 if (timercnt) 1706 if (timercnt)
1601 { 1707 {
1602 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1708 ev_tstamp to = ev_at (timers [1]) - mn_now + backend_fudge;
1603 if (waittime > to) waittime = to; 1709 if (waittime > to) waittime = to;
1604 } 1710 }
1605 1711
1606#if EV_PERIODIC_ENABLE 1712#if EV_PERIODIC_ENABLE
1607 if (periodiccnt) 1713 if (periodiccnt)
1608 { 1714 {
1609 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1715 ev_tstamp to = ev_at (periodics [1]) - ev_rt_now + backend_fudge;
1610 if (waittime > to) waittime = to; 1716 if (waittime > to) waittime = to;
1611 } 1717 }
1612#endif 1718#endif
1613 1719
1614 if (expect_false (waittime < timeout_blocktime)) 1720 if (expect_false (waittime < timeout_blocktime))
… …
1647 /* queue check watchers, to be executed first */ 1753 /* queue check watchers, to be executed first */
1648 if (expect_false (checkcnt)) 1754 if (expect_false (checkcnt))
1649 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1755 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1650 1756
1651 call_pending (EV_A); 1757 call_pending (EV_A);
1652
1653 } 1758 }
1654 while (expect_true (activecnt && !loop_done)); 1759 while (expect_true (
1760 activecnt
1761 && !loop_done
1762 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK))
1763 ));
1655 1764
1656 if (loop_done == EVUNLOOP_ONE) 1765 if (loop_done == EVUNLOOP_ONE)
1657 loop_done = EVUNLOOP_CANCEL; 1766 loop_done = EVUNLOOP_CANCEL;
1658} 1767}
1659 1768
… …
1777ev_timer_start (EV_P_ ev_timer *w) 1886ev_timer_start (EV_P_ ev_timer *w)
1778{ 1887{
1779 if (expect_false (ev_is_active (w))) 1888 if (expect_false (ev_is_active (w)))
1780 return; 1889 return;
1781 1890
1782 ((WT)w)->at += mn_now; 1891 ev_at (w) += mn_now;
1783 1892
1784 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1893 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1785 1894
1786 ev_start (EV_A_ (W)w, ++timercnt); 1895 ev_start (EV_A_ (W)w, ++timercnt);
1787 array_needsize (WT, timers, timermax, timercnt, EMPTY2); 1896 array_needsize (WT, timers, timermax, timercnt + 1, EMPTY2);
1788 timers [timercnt - 1] = (WT)w; 1897 timers [timercnt] = (WT)w;
1789 upheap (timers, timercnt - 1); 1898 upheap (timers, timercnt);
1790 1899
1791 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 1900 /*assert (("internal timer heap corruption", timers [ev_active (w)] == w));*/
1792} 1901}
1793 1902
1794void noinline 1903void noinline
1795ev_timer_stop (EV_P_ ev_timer *w) 1904ev_timer_stop (EV_P_ ev_timer *w)
1796{ 1905{
1797 clear_pending (EV_A_ (W)w); 1906 clear_pending (EV_A_ (W)w);
1798 if (expect_false (!ev_is_active (w))) 1907 if (expect_false (!ev_is_active (w)))
1799 return; 1908 return;
1800 1909
1801 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w));
1802
1803 { 1910 {
1804 int active = ((W)w)->active; 1911 int active = ev_active (w);
1805 1912
1913 assert (("internal timer heap corruption", timers [active] == (WT)w));
1914
1806 if (expect_true (--active < --timercnt)) 1915 if (expect_true (active < timercnt))
1807 { 1916 {
1808 timers [active] = timers [timercnt]; 1917 timers [active] = timers [timercnt];
1809 adjustheap (timers, timercnt, active); 1918 adjustheap (timers, timercnt, active);
1810 } 1919 }
1920
1921 --timercnt;
1811 } 1922 }
1812 1923
1813 ((WT)w)->at -= mn_now; 1924 ev_at (w) -= mn_now;
1814 1925
1815 ev_stop (EV_A_ (W)w); 1926 ev_stop (EV_A_ (W)w);
1816} 1927}
1817 1928
1818void noinline 1929void noinline
… …
1820{ 1931{
1821 if (ev_is_active (w)) 1932 if (ev_is_active (w))
1822 { 1933 {
1823 if (w->repeat) 1934 if (w->repeat)
1824 { 1935 {
1825 ((WT)w)->at = mn_now + w->repeat; 1936 ev_at (w) = mn_now + w->repeat;
1826 adjustheap (timers, timercnt, ((W)w)->active - 1); 1937 adjustheap (timers, timercnt, ev_active (w));
1827 } 1938 }
1828 else 1939 else
1829 ev_timer_stop (EV_A_ w); 1940 ev_timer_stop (EV_A_ w);
1830 } 1941 }
1831 else if (w->repeat) 1942 else if (w->repeat)
1832 { 1943 {
1833 w->at = w->repeat; 1944 ev_at (w) = w->repeat;
1834 ev_timer_start (EV_A_ w); 1945 ev_timer_start (EV_A_ w);
1835 } 1946 }
1836} 1947}
1837 1948
1838#if EV_PERIODIC_ENABLE 1949#if EV_PERIODIC_ENABLE
… …
1841{ 1952{
1842 if (expect_false (ev_is_active (w))) 1953 if (expect_false (ev_is_active (w)))
1843 return; 1954 return;
1844 1955
1845 if (w->reschedule_cb) 1956 if (w->reschedule_cb)
1846 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1957 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
1847 else if (w->interval) 1958 else if (w->interval)
1848 { 1959 {
1849 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1960 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1850 /* this formula differs from the one in periodic_reify because we do not always round up */ 1961 /* this formula differs from the one in periodic_reify because we do not always round up */
1851 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 1962 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1852 } 1963 }
1853 else 1964 else
1854 ((WT)w)->at = w->offset; 1965 ev_at (w) = w->offset;
1855 1966
1856 ev_start (EV_A_ (W)w, ++periodiccnt); 1967 ev_start (EV_A_ (W)w, ++periodiccnt);
1857 array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); 1968 array_needsize (WT, periodics, periodicmax, periodiccnt + 1, EMPTY2);
1858 periodics [periodiccnt - 1] = (WT)w; 1969 periodics [periodiccnt] = (WT)w;
1859 upheap (periodics, periodiccnt - 1); 1970 upheap (periodics, periodiccnt);
1860 1971
1861 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 1972 /*assert (("internal periodic heap corruption", periodics [ev_active (w)] == w));*/
1862} 1973}
1863 1974
1864void noinline 1975void noinline
1865ev_periodic_stop (EV_P_ ev_periodic *w) 1976ev_periodic_stop (EV_P_ ev_periodic *w)
1866{ 1977{
1867 clear_pending (EV_A_ (W)w); 1978 clear_pending (EV_A_ (W)w);
1868 if (expect_false (!ev_is_active (w))) 1979 if (expect_false (!ev_is_active (w)))
1869 return; 1980 return;
1870 1981
1871 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w));
1872
1873 { 1982 {
1874 int active = ((W)w)->active; 1983 int active = ev_active (w);
1875 1984
1985 assert (("internal periodic heap corruption", periodics [active] == (WT)w));
1986
1876 if (expect_true (--active < --periodiccnt)) 1987 if (expect_true (active < periodiccnt))
1877 { 1988 {
1878 periodics [active] = periodics [periodiccnt]; 1989 periodics [active] = periodics [periodiccnt];
1879 adjustheap (periodics, periodiccnt, active); 1990 adjustheap (periodics, periodiccnt, active);
1880 } 1991 }
1992
1993 --periodiccnt;
1881 } 1994 }
1882 1995
1883 ev_stop (EV_A_ (W)w); 1996 ev_stop (EV_A_ (W)w);
1884} 1997}
1885 1998
… …
1927 wlist_add (&signals [w->signum - 1].head, (WL)w); 2040 wlist_add (&signals [w->signum - 1].head, (WL)w);
1928 2041
1929 if (!((WL)w)->next) 2042 if (!((WL)w)->next)
1930 { 2043 {
1931#if _WIN32 2044#if _WIN32
1932 signal (w->signum, sighandler); 2045 signal (w->signum, ev_sighandler);
1933#else 2046#else
1934 struct sigaction sa; 2047 struct sigaction sa;
1935 sa.sa_handler = sighandler; 2048 sa.sa_handler = ev_sighandler;
1936 sigfillset (&sa.sa_mask); 2049 sigfillset (&sa.sa_mask);
1937 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2050 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1938 sigaction (w->signum, &sa, 0); 2051 sigaction (w->signum, &sa, 0);
1939#endif 2052#endif
1940 } 2053 }
… …
2255 clear_pending (EV_A_ (W)w); 2368 clear_pending (EV_A_ (W)w);
2256 if (expect_false (!ev_is_active (w))) 2369 if (expect_false (!ev_is_active (w)))
2257 return; 2370 return;
2258 2371
2259 { 2372 {
2260 int active = ((W)w)->active; 2373 int active = ev_active (w);
2261 2374
2262 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; 2375 idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]];
2263 ((W)idles [ABSPRI (w)][active - 1])->active = active; 2376 ev_active (idles [ABSPRI (w)][active - 1]) = active;
2264 2377
2265 ev_stop (EV_A_ (W)w); 2378 ev_stop (EV_A_ (W)w);
2266 --idleall; 2379 --idleall;
2267 } 2380 }
2268} 2381}
… …
2285 clear_pending (EV_A_ (W)w); 2398 clear_pending (EV_A_ (W)w);
2286 if (expect_false (!ev_is_active (w))) 2399 if (expect_false (!ev_is_active (w)))
2287 return; 2400 return;
2288 2401
2289 { 2402 {
2290 int active = ((W)w)->active; 2403 int active = ev_active (w);
2404
2291 prepares [active - 1] = prepares [--preparecnt]; 2405 prepares [active - 1] = prepares [--preparecnt];
2292 ((W)prepares [active - 1])->active = active; 2406 ev_active (prepares [active - 1]) = active;
2293 } 2407 }
2294 2408
2295 ev_stop (EV_A_ (W)w); 2409 ev_stop (EV_A_ (W)w);
2296} 2410}
2297 2411
… …
2312 clear_pending (EV_A_ (W)w); 2426 clear_pending (EV_A_ (W)w);
2313 if (expect_false (!ev_is_active (w))) 2427 if (expect_false (!ev_is_active (w)))
2314 return; 2428 return;
2315 2429
2316 { 2430 {
2317 int active = ((W)w)->active; 2431 int active = ev_active (w);
2432
2318 checks [active - 1] = checks [--checkcnt]; 2433 checks [active - 1] = checks [--checkcnt];
2319 ((W)checks [active - 1])->active = active; 2434 ev_active (checks [active - 1]) = active;
2320 } 2435 }
2321 2436
2322 ev_stop (EV_A_ (W)w); 2437 ev_stop (EV_A_ (W)w);
2323} 2438}
2324 2439
… …
2420 clear_pending (EV_A_ (W)w); 2535 clear_pending (EV_A_ (W)w);
2421 if (expect_false (!ev_is_active (w))) 2536 if (expect_false (!ev_is_active (w)))
2422 return; 2537 return;
2423 2538
2424 { 2539 {
2425 int active = ((W)w)->active; 2540 int active = ev_active (w);
2541
2426 forks [active - 1] = forks [--forkcnt]; 2542 forks [active - 1] = forks [--forkcnt];
2427 ((W)forks [active - 1])->active = active; 2543 ev_active (forks [active - 1]) = active;
2428 } 2544 }
2429 2545
2430 ev_stop (EV_A_ (W)w); 2546 ev_stop (EV_A_ (W)w);
2431} 2547}
2432#endif 2548#endif
… …
2451 clear_pending (EV_A_ (W)w); 2567 clear_pending (EV_A_ (W)w);
2452 if (expect_false (!ev_is_active (w))) 2568 if (expect_false (!ev_is_active (w)))
2453 return; 2569 return;
2454 2570
2455 { 2571 {
2456 int active = ((W)w)->active; 2572 int active = ev_active (w);
2573
2457 asyncs [active - 1] = asyncs [--asynccnt]; 2574 asyncs [active - 1] = asyncs [--asynccnt];
2458 ((W)asyncs [active - 1])->active = active; 2575 ev_active (asyncs [active - 1]) = active;
2459 } 2576 }
2460 2577
2461 ev_stop (EV_A_ (W)w); 2578 ev_stop (EV_A_ (W)w);
2462} 2579}
2463 2580
2464void 2581void
2465ev_async_send (EV_P_ ev_async *w) 2582ev_async_send (EV_P_ ev_async *w)
2466{ 2583{
2467 w->sent = 1; 2584 w->sent = 1;
2468 evpipe_write (EV_A_ 0, 1); 2585 evpipe_write (EV_A_ &gotasync);
2469} 2586}
2470#endif 2587#endif
2471 2588
2472/*****************************************************************************/ 2589/*****************************************************************************/
2473 2590

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