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Comparing libev/ev.c (file contents):
Revision 1.62 by root, Sun Nov 4 20:38:07 2007 UTC vs.
Revision 1.67 by root, Mon Nov 5 16:42:15 2007 UTC

145typedef struct ev_watcher_list *WL; 145typedef struct ev_watcher_list *WL;
146typedef struct ev_watcher_time *WT; 146typedef struct ev_watcher_time *WT;
147 147
148static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 148static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
149 149
150#if WIN32
151/* note: the comment below could not be substantiated, but what would I care */
152/* MSDN says this is required to handle SIGFPE */
153volatile double SIGFPE_REQ = 0.0f;
154#endif
155
150/*****************************************************************************/ 156/*****************************************************************************/
151 157
152typedef struct 158typedef struct
153{ 159{
154 struct ev_watcher_list *head; 160 struct ev_watcher_list *head;
232 base = realloc (base, sizeof (*base) * (newcnt)); \ 238 base = realloc (base, sizeof (*base) * (newcnt)); \
233 init (base + cur, newcnt - cur); \ 239 init (base + cur, newcnt - cur); \
234 cur = newcnt; \ 240 cur = newcnt; \
235 } 241 }
236 242
243#define array_slim(stem) \
244 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
245 { \
246 stem ## max = array_roundsize (stem ## cnt >> 1); \
247 base = realloc (base, sizeof (*base) * (stem ## max)); \
248 fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
249 }
250
251#define array_free(stem, idx) \
252 free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
253
237/*****************************************************************************/ 254/*****************************************************************************/
238 255
239static void 256static void
240anfds_init (ANFD *base, int count) 257anfds_init (ANFD *base, int count)
241{ 258{
306 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 323 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
307 events |= w->events; 324 events |= w->events;
308 325
309 anfd->reify = 0; 326 anfd->reify = 0;
310 327
311 if (anfd->events != events)
312 {
313 method_modify (EV_A_ fd, anfd->events, events); 328 method_modify (EV_A_ fd, anfd->events, events);
314 anfd->events = events; 329 anfd->events = events;
315 }
316 } 330 }
317 331
318 fdchangecnt = 0; 332 fdchangecnt = 0;
319} 333}
320 334
456} 470}
457 471
458static void 472static void
459sighandler (int signum) 473sighandler (int signum)
460{ 474{
475#if WIN32
476 signal (signum, sighandler);
477#endif
478
461 signals [signum - 1].gotsig = 1; 479 signals [signum - 1].gotsig = 1;
462 480
463 if (!gotsig) 481 if (!gotsig)
464 { 482 {
465 int old_errno = errno; 483 int old_errno = errno;
522 struct ev_child *w; 540 struct ev_child *w;
523 541
524 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 542 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
525 if (w->pid == pid || !w->pid) 543 if (w->pid == pid || !w->pid)
526 { 544 {
527 w->priority = sw->priority; /* need to do it *now* */ 545 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
528 w->rpid = pid; 546 w->rpid = pid;
529 w->rstatus = status; 547 w->rstatus = status;
530 event (EV_A_ (W)w, EV_CHILD); 548 event (EV_A_ (W)w, EV_CHILD);
531 } 549 }
532} 550}
533 551
534static void 552static void
637} 655}
638 656
639void 657void
640loop_destroy (EV_P) 658loop_destroy (EV_P)
641{ 659{
660 int i;
661
642#if EV_USE_WIN32 662#if EV_USE_WIN32
643 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); 663 if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
644#endif 664#endif
645#if EV_USE_KQUEUE 665#if EV_USE_KQUEUE
646 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); 666 if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A);
652 if (method == EVMETHOD_POLL ) poll_destroy (EV_A); 672 if (method == EVMETHOD_POLL ) poll_destroy (EV_A);
653#endif 673#endif
654#if EV_USE_SELECT 674#if EV_USE_SELECT
655 if (method == EVMETHOD_SELECT) select_destroy (EV_A); 675 if (method == EVMETHOD_SELECT) select_destroy (EV_A);
656#endif 676#endif
677
678 for (i = NUMPRI; i--; )
679 array_free (pending, [i]);
680
681 array_free (fdchange, );
682 array_free (timer, );
683 array_free (periodic, );
684 array_free (idle, );
685 array_free (prepare, );
686 array_free (check, );
657 687
658 method = 0; 688 method = 0;
659 /*TODO*/ 689 /*TODO*/
660} 690}
661 691
804} 834}
805 835
806static void 836static void
807timers_reify (EV_P) 837timers_reify (EV_P)
808{ 838{
809 while (timercnt && timers [0]->at <= mn_now) 839 while (timercnt && ((WT)timers [0])->at <= mn_now)
810 { 840 {
811 struct ev_timer *w = timers [0]; 841 struct ev_timer *w = timers [0];
812 842
813 assert (("inactive timer on timer heap detected", ev_is_active (w))); 843 assert (("inactive timer on timer heap detected", ev_is_active (w)));
814 844
815 /* first reschedule or stop timer */ 845 /* first reschedule or stop timer */
816 if (w->repeat) 846 if (w->repeat)
817 { 847 {
818 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 848 assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
819 w->at = mn_now + w->repeat; 849 ((WT)w)->at = mn_now + w->repeat;
820 downheap ((WT *)timers, timercnt, 0); 850 downheap ((WT *)timers, timercnt, 0);
821 } 851 }
822 else 852 else
823 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ 853 ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
824 854
827} 857}
828 858
829static void 859static void
830periodics_reify (EV_P) 860periodics_reify (EV_P)
831{ 861{
832 while (periodiccnt && periodics [0]->at <= rt_now) 862 while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
833 { 863 {
834 struct ev_periodic *w = periodics [0]; 864 struct ev_periodic *w = periodics [0];
835 865
836 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 866 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
837 867
838 /* first reschedule or stop timer */ 868 /* first reschedule or stop timer */
839 if (w->interval) 869 if (w->interval)
840 { 870 {
841 w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; 871 ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
842 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); 872 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
843 downheap ((WT *)periodics, periodiccnt, 0); 873 downheap ((WT *)periodics, periodiccnt, 0);
844 } 874 }
845 else 875 else
846 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 876 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
847 877
859 { 889 {
860 struct ev_periodic *w = periodics [i]; 890 struct ev_periodic *w = periodics [i];
861 891
862 if (w->interval) 892 if (w->interval)
863 { 893 {
864 ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; 894 ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
865 895
866 if (fabs (diff) >= 1e-4) 896 if (fabs (diff) >= 1e-4)
867 { 897 {
868 ev_periodic_stop (EV_A_ w); 898 ev_periodic_stop (EV_A_ w);
869 ev_periodic_start (EV_A_ w); 899 ev_periodic_start (EV_A_ w);
930 { 960 {
931 periodics_reschedule (EV_A); 961 periodics_reschedule (EV_A);
932 962
933 /* adjust timers. this is easy, as the offset is the same for all */ 963 /* adjust timers. this is easy, as the offset is the same for all */
934 for (i = 0; i < timercnt; ++i) 964 for (i = 0; i < timercnt; ++i)
935 timers [i]->at += rt_now - mn_now; 965 ((WT)timers [i])->at += rt_now - mn_now;
936 } 966 }
937 967
938 mn_now = rt_now; 968 mn_now = rt_now;
939 } 969 }
940} 970}
991 { 1021 {
992 block = MAX_BLOCKTIME; 1022 block = MAX_BLOCKTIME;
993 1023
994 if (timercnt) 1024 if (timercnt)
995 { 1025 {
996 ev_tstamp to = timers [0]->at - mn_now + method_fudge; 1026 ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
997 if (block > to) block = to; 1027 if (block > to) block = to;
998 } 1028 }
999 1029
1000 if (periodiccnt) 1030 if (periodiccnt)
1001 { 1031 {
1002 ev_tstamp to = periodics [0]->at - rt_now + method_fudge; 1032 ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
1003 if (block > to) block = to; 1033 if (block > to) block = to;
1004 } 1034 }
1005 1035
1006 if (block < 0.) block = 0.; 1036 if (block < 0.) block = 0.;
1007 } 1037 }
1124ev_timer_start (EV_P_ struct ev_timer *w) 1154ev_timer_start (EV_P_ struct ev_timer *w)
1125{ 1155{
1126 if (ev_is_active (w)) 1156 if (ev_is_active (w))
1127 return; 1157 return;
1128 1158
1129 w->at += mn_now; 1159 ((WT)w)->at += mn_now;
1130 1160
1131 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1161 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1132 1162
1133 ev_start (EV_A_ (W)w, ++timercnt); 1163 ev_start (EV_A_ (W)w, ++timercnt);
1134 array_needsize (timers, timermax, timercnt, ); 1164 array_needsize (timers, timermax, timercnt, );
1151 { 1181 {
1152 timers [((W)w)->active - 1] = timers [timercnt]; 1182 timers [((W)w)->active - 1] = timers [timercnt];
1153 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1183 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1154 } 1184 }
1155 1185
1156 w->at = w->repeat; 1186 ((WT)w)->at = w->repeat;
1157 1187
1158 ev_stop (EV_A_ (W)w); 1188 ev_stop (EV_A_ (W)w);
1159} 1189}
1160 1190
1161void 1191void
1163{ 1193{
1164 if (ev_is_active (w)) 1194 if (ev_is_active (w))
1165 { 1195 {
1166 if (w->repeat) 1196 if (w->repeat)
1167 { 1197 {
1168 w->at = mn_now + w->repeat; 1198 ((WT)w)->at = mn_now + w->repeat;
1169 downheap ((WT *)timers, timercnt, ((W)w)->active - 1); 1199 downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
1170 } 1200 }
1171 else 1201 else
1172 ev_timer_stop (EV_A_ w); 1202 ev_timer_stop (EV_A_ w);
1173 } 1203 }
1183 1213
1184 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1214 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1185 1215
1186 /* this formula differs from the one in periodic_reify because we do not always round up */ 1216 /* this formula differs from the one in periodic_reify because we do not always round up */
1187 if (w->interval) 1217 if (w->interval)
1188 w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; 1218 ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
1189 1219
1190 ev_start (EV_A_ (W)w, ++periodiccnt); 1220 ev_start (EV_A_ (W)w, ++periodiccnt);
1191 array_needsize (periodics, periodicmax, periodiccnt, ); 1221 array_needsize (periodics, periodicmax, periodiccnt, );
1192 periodics [periodiccnt - 1] = w; 1222 periodics [periodiccnt - 1] = w;
1193 upheap ((WT *)periodics, periodiccnt - 1); 1223 upheap ((WT *)periodics, periodiccnt - 1);
1296 1326
1297 ev_start (EV_A_ (W)w, 1); 1327 ev_start (EV_A_ (W)w, 1);
1298 array_needsize (signals, signalmax, w->signum, signals_init); 1328 array_needsize (signals, signalmax, w->signum, signals_init);
1299 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); 1329 wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
1300 1330
1301 if (!w->next) 1331 if (!((WL)w)->next)
1302 { 1332 {
1333#if WIN32
1334 signal (w->signum, sighandler);
1335#else
1303 struct sigaction sa; 1336 struct sigaction sa;
1304 sa.sa_handler = sighandler; 1337 sa.sa_handler = sighandler;
1305 sigfillset (&sa.sa_mask); 1338 sigfillset (&sa.sa_mask);
1306 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 1339 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
1307 sigaction (w->signum, &sa, 0); 1340 sigaction (w->signum, &sa, 0);
1341#endif
1308 } 1342 }
1309} 1343}
1310 1344
1311void 1345void
1312ev_signal_stop (EV_P_ struct ev_signal *w) 1346ev_signal_stop (EV_P_ struct ev_signal *w)

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