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Comparing libev/ev.c (file contents):
Revision 1.106 by root, Mon Nov 12 01:07:50 2007 UTC vs.
Revision 1.117 by ayin, Thu Nov 15 17:15:56 2007 UTC

… …
120# define EV_USE_REALTIME 1 120# define EV_USE_REALTIME 1
121#endif 121#endif
122 122
123/**/ 123/**/
124 124
125/* darwin simply cnanot be helped */ 125/* darwin simply cannot be helped */
126#ifdef __APPLE__ 126#ifdef __APPLE__
127# undef EV_USE_POLL 127# undef EV_USE_POLL
128# undef EV_USE_KQUEUE 128# undef EV_USE_KQUEUE
129#endif 129#endif
130 130
… …
167#define expect_true(expr) expect ((expr) != 0, 1) 167#define expect_true(expr) expect ((expr) != 0, 1)
168 168
169#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 169#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
170#define ABSPRI(w) ((w)->priority - EV_MINPRI) 170#define ABSPRI(w) ((w)->priority - EV_MINPRI)
171 171
172#define EMPTY /* required for microsofts broken pseudo-c compiler */ 172#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
173#define EMPTY2(a,b) /* used to suppress some warnings */
173 174
174typedef struct ev_watcher *W; 175typedef struct ev_watcher *W;
175typedef struct ev_watcher_list *WL; 176typedef struct ev_watcher_list *WL;
176typedef struct ev_watcher_time *WT; 177typedef struct ev_watcher_time *WT;
177 178
… …
257 #include "ev_vars.h" 258 #include "ev_vars.h"
258 #undef VAR 259 #undef VAR
259 }; 260 };
260 #include "ev_wrap.h" 261 #include "ev_wrap.h"
261 262
262 struct ev_loop default_loop_struct; 263 static struct ev_loop default_loop_struct;
263 static struct ev_loop *default_loop; 264 struct ev_loop *ev_default_loop_ptr;
264 265
265#else 266#else
266 267
267 ev_tstamp ev_rt_now; 268 ev_tstamp ev_rt_now;
268 #define VAR(name,decl) static decl; 269 #define VAR(name,decl) static decl;
269 #include "ev_vars.h" 270 #include "ev_vars.h"
270 #undef VAR 271 #undef VAR
271 272
272 static int default_loop; 273 static int ev_default_loop_ptr;
273 274
274#endif 275#endif
275 276
276/*****************************************************************************/ 277/*****************************************************************************/
277 278
… …
310{ 311{
311 return ev_rt_now; 312 return ev_rt_now;
312} 313}
313#endif 314#endif
314 315
315#define array_roundsize(type,n) ((n) | 4 & ~3) 316#define array_roundsize(type,n) (((n) | 4) & ~3)
316 317
317#define array_needsize(type,base,cur,cnt,init) \ 318#define array_needsize(type,base,cur,cnt,init) \
318 if (expect_false ((cnt) > cur)) \ 319 if (expect_false ((cnt) > cur)) \
319 { \ 320 { \
320 int newcnt = cur; \ 321 int newcnt = cur; \
… …
365 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 366 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
366 return; 367 return;
367 } 368 }
368 369
369 w_->pending = ++pendingcnt [ABSPRI (w_)]; 370 w_->pending = ++pendingcnt [ABSPRI (w_)];
370 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); 371 array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2);
371 pendings [ABSPRI (w_)][w_->pending - 1].w = w_; 372 pendings [ABSPRI (w_)][w_->pending - 1].w = w_;
372 pendings [ABSPRI (w_)][w_->pending - 1].events = revents; 373 pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
373} 374}
374 375
375static void 376static void
… …
445 return; 446 return;
446 447
447 anfds [fd].reify = 1; 448 anfds [fd].reify = 1;
448 449
449 ++fdchangecnt; 450 ++fdchangecnt;
450 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); 451 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);
451 fdchanges [fdchangecnt - 1] = fd; 452 fdchanges [fdchangecnt - 1] = fd;
452} 453}
453 454
454static void 455static void
455fd_kill (EV_P_ int fd) 456fd_kill (EV_P_ int fd)
… …
613ev_feed_signal_event (EV_P_ int signum) 614ev_feed_signal_event (EV_P_ int signum)
614{ 615{
615 WL w; 616 WL w;
616 617
617#if EV_MULTIPLICITY 618#if EV_MULTIPLICITY
618 assert (("feeding signal events is only supported in the default loop", loop == default_loop)); 619 assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr));
619#endif 620#endif
620 621
621 --signum; 622 --signum;
622 623
623 if (signum < 0 || signum >= signalmax) 624 if (signum < 0 || signum >= signalmax)
… …
746 return getuid () != geteuid () 747 return getuid () != geteuid ()
747 || getgid () != getegid (); 748 || getgid () != getegid ();
748#endif 749#endif
749} 750}
750 751
751int 752unsigned int
752ev_method (EV_P) 753ev_method (EV_P)
753{ 754{
754 return method; 755 return method;
755} 756}
756 757
757static void 758static void
758loop_init (EV_P_ int methods) 759loop_init (EV_P_ unsigned int flags)
759{ 760{
760 if (!method) 761 if (!method)
761 { 762 {
762#if EV_USE_MONOTONIC 763#if EV_USE_MONOTONIC
763 { 764 {
… …
770 ev_rt_now = ev_time (); 771 ev_rt_now = ev_time ();
771 mn_now = get_clock (); 772 mn_now = get_clock ();
772 now_floor = mn_now; 773 now_floor = mn_now;
773 rtmn_diff = ev_rt_now - mn_now; 774 rtmn_diff = ev_rt_now - mn_now;
774 775
775 if (methods == EVMETHOD_AUTO) 776 if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS"))
776 if (!enable_secure () && getenv ("LIBEV_METHODS"))
777 methods = atoi (getenv ("LIBEV_METHODS")); 777 flags = atoi (getenv ("LIBEV_FLAGS"));
778 else 778
779 methods = EVMETHOD_ANY; 779 if (!(flags & 0x0000ffff))
780 flags |= 0x0000ffff;
780 781
781 method = 0; 782 method = 0;
782#if EV_USE_KQUEUE 783#if EV_USE_KQUEUE
783 if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); 784 if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags);
784#endif 785#endif
785#if EV_USE_EPOLL 786#if EV_USE_EPOLL
786 if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); 787 if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags);
787#endif 788#endif
788#if EV_USE_POLL 789#if EV_USE_POLL
789 if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); 790 if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags);
790#endif 791#endif
791#if EV_USE_SELECT 792#if EV_USE_SELECT
792 if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); 793 if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags);
793#endif 794#endif
794 795
795 ev_init (&sigev, sigcb); 796 ev_init (&sigev, sigcb);
796 ev_set_priority (&sigev, EV_MAXPRI); 797 ev_set_priority (&sigev, EV_MAXPRI);
797 } 798 }
… …
817 818
818 for (i = NUMPRI; i--; ) 819 for (i = NUMPRI; i--; )
819 array_free (pending, [i]); 820 array_free (pending, [i]);
820 821
821 /* have to use the microsoft-never-gets-it-right macro */ 822 /* have to use the microsoft-never-gets-it-right macro */
822 array_free (fdchange, EMPTY); 823 array_free (fdchange, EMPTY0);
823 array_free (timer, EMPTY); 824 array_free (timer, EMPTY0);
824#if EV_PERIODICS 825#if EV_PERIODICS
825 array_free (periodic, EMPTY); 826 array_free (periodic, EMPTY0);
826#endif 827#endif
827 array_free (idle, EMPTY); 828 array_free (idle, EMPTY0);
828 array_free (prepare, EMPTY); 829 array_free (prepare, EMPTY0);
829 array_free (check, EMPTY); 830 array_free (check, EMPTY0);
830 831
831 method = 0; 832 method = 0;
832} 833}
833 834
834static void 835static void
… …
859 postfork = 0; 860 postfork = 0;
860} 861}
861 862
862#if EV_MULTIPLICITY 863#if EV_MULTIPLICITY
863struct ev_loop * 864struct ev_loop *
864ev_loop_new (int methods) 865ev_loop_new (unsigned int flags)
865{ 866{
866 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 867 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
867 868
868 memset (loop, 0, sizeof (struct ev_loop)); 869 memset (loop, 0, sizeof (struct ev_loop));
869 870
870 loop_init (EV_A_ methods); 871 loop_init (EV_A_ flags);
871 872
872 if (ev_method (EV_A)) 873 if (ev_method (EV_A))
873 return loop; 874 return loop;
874 875
875 return 0; 876 return 0;
… …
890 891
891#endif 892#endif
892 893
893#if EV_MULTIPLICITY 894#if EV_MULTIPLICITY
894struct ev_loop * 895struct ev_loop *
896ev_default_loop_ (unsigned int flags)
895#else 897#else
896int 898int
899ev_default_loop (unsigned int flags)
897#endif 900#endif
898ev_default_loop (int methods)
899{ 901{
900 if (sigpipe [0] == sigpipe [1]) 902 if (sigpipe [0] == sigpipe [1])
901 if (pipe (sigpipe)) 903 if (pipe (sigpipe))
902 return 0; 904 return 0;
903 905
904 if (!default_loop) 906 if (!ev_default_loop_ptr)
905 { 907 {
906#if EV_MULTIPLICITY 908#if EV_MULTIPLICITY
907 struct ev_loop *loop = default_loop = &default_loop_struct; 909 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct;
908#else 910#else
909 default_loop = 1; 911 ev_default_loop_ptr = 1;
910#endif 912#endif
911 913
912 loop_init (EV_A_ methods); 914 loop_init (EV_A_ flags);
913 915
914 if (ev_method (EV_A)) 916 if (ev_method (EV_A))
915 { 917 {
916 siginit (EV_A); 918 siginit (EV_A);
917 919
… …
921 ev_signal_start (EV_A_ &childev); 923 ev_signal_start (EV_A_ &childev);
922 ev_unref (EV_A); /* child watcher should not keep loop alive */ 924 ev_unref (EV_A); /* child watcher should not keep loop alive */
923#endif 925#endif
924 } 926 }
925 else 927 else
926 default_loop = 0; 928 ev_default_loop_ptr = 0;
927 } 929 }
928 930
929 return default_loop; 931 return ev_default_loop_ptr;
930} 932}
931 933
932void 934void
933ev_default_destroy (void) 935ev_default_destroy (void)
934{ 936{
935#if EV_MULTIPLICITY 937#if EV_MULTIPLICITY
936 struct ev_loop *loop = default_loop; 938 struct ev_loop *loop = ev_default_loop_ptr;
937#endif 939#endif
938 940
939#ifndef _WIN32 941#ifndef _WIN32
940 ev_ref (EV_A); /* child watcher */ 942 ev_ref (EV_A); /* child watcher */
941 ev_signal_stop (EV_A_ &childev); 943 ev_signal_stop (EV_A_ &childev);
… …
952 954
953void 955void
954ev_default_fork (void) 956ev_default_fork (void)
955{ 957{
956#if EV_MULTIPLICITY 958#if EV_MULTIPLICITY
957 struct ev_loop *loop = default_loop; 959 struct ev_loop *loop = ev_default_loop_ptr;
958#endif 960#endif
959 961
960 if (method) 962 if (method)
961 postfork = 1; 963 postfork = 1;
962} 964}
… …
1031 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1033 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1032 1034
1033 /* first reschedule or stop timer */ 1035 /* first reschedule or stop timer */
1034 if (w->reschedule_cb) 1036 if (w->reschedule_cb)
1035 { 1037 {
1036 ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1038 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001);
1037
1038 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1039 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1039 downheap ((WT *)periodics, periodiccnt, 0); 1040 downheap ((WT *)periodics, periodiccnt, 0);
1040 } 1041 }
1041 else if (w->interval) 1042 else if (w->interval)
1042 { 1043 {
… …
1160ev_loop (EV_P_ int flags) 1161ev_loop (EV_P_ int flags)
1161{ 1162{
1162 double block; 1163 double block;
1163 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1164 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0;
1164 1165
1165 do 1166 while (activecnt)
1166 { 1167 {
1167 /* queue check watchers (and execute them) */ 1168 /* queue check watchers (and execute them) */
1168 if (expect_false (preparecnt)) 1169 if (expect_false (preparecnt))
1169 { 1170 {
1170 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1171 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
… …
1233 /* queue check watchers, to be executed first */ 1234 /* queue check watchers, to be executed first */
1234 if (checkcnt) 1235 if (checkcnt)
1235 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 1236 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
1236 1237
1237 call_pending (EV_A); 1238 call_pending (EV_A);
1239
1240 if (loop_done)
1241 break;
1238 } 1242 }
1239 while (activecnt && !loop_done);
1240 1243
1241 if (loop_done != 2) 1244 if (loop_done != 2)
1242 loop_done = 0; 1245 loop_done = 0;
1243} 1246}
1244 1247
… …
1342 ((WT)w)->at += mn_now; 1345 ((WT)w)->at += mn_now;
1343 1346
1344 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1347 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1345 1348
1346 ev_start (EV_A_ (W)w, ++timercnt); 1349 ev_start (EV_A_ (W)w, ++timercnt);
1347 array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); 1350 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2);
1348 timers [timercnt - 1] = w; 1351 timers [timercnt - 1] = w;
1349 upheap ((WT *)timers, timercnt - 1); 1352 upheap ((WT *)timers, timercnt - 1);
1350 1353
1351 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1354 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1352} 1355}
… …
1383 } 1386 }
1384 else 1387 else
1385 ev_timer_stop (EV_A_ w); 1388 ev_timer_stop (EV_A_ w);
1386 } 1389 }
1387 else if (w->repeat) 1390 else if (w->repeat)
1391 {
1392 w->at = w->repeat;
1388 ev_timer_start (EV_A_ w); 1393 ev_timer_start (EV_A_ w);
1394 }
1389} 1395}
1390 1396
1391#if EV_PERIODICS 1397#if EV_PERIODICS
1392void 1398void
1393ev_periodic_start (EV_P_ struct ev_periodic *w) 1399ev_periodic_start (EV_P_ struct ev_periodic *w)
… …
1403 /* this formula differs from the one in periodic_reify because we do not always round up */ 1409 /* this formula differs from the one in periodic_reify because we do not always round up */
1404 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1410 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1405 } 1411 }
1406 1412
1407 ev_start (EV_A_ (W)w, ++periodiccnt); 1413 ev_start (EV_A_ (W)w, ++periodiccnt);
1408 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); 1414 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1409 periodics [periodiccnt - 1] = w; 1415 periodics [periodiccnt - 1] = w;
1410 upheap ((WT *)periodics, periodiccnt - 1); 1416 upheap ((WT *)periodics, periodiccnt - 1);
1411 1417
1412 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1418 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1413} 1419}
… …
1444{ 1450{
1445 if (ev_is_active (w)) 1451 if (ev_is_active (w))
1446 return; 1452 return;
1447 1453
1448 ev_start (EV_A_ (W)w, ++idlecnt); 1454 ev_start (EV_A_ (W)w, ++idlecnt);
1449 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); 1455 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1450 idles [idlecnt - 1] = w; 1456 idles [idlecnt - 1] = w;
1451} 1457}
1452 1458
1453void 1459void
1454ev_idle_stop (EV_P_ struct ev_idle *w) 1460ev_idle_stop (EV_P_ struct ev_idle *w)
… …
1466{ 1472{
1467 if (ev_is_active (w)) 1473 if (ev_is_active (w))
1468 return; 1474 return;
1469 1475
1470 ev_start (EV_A_ (W)w, ++preparecnt); 1476 ev_start (EV_A_ (W)w, ++preparecnt);
1471 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); 1477 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1472 prepares [preparecnt - 1] = w; 1478 prepares [preparecnt - 1] = w;
1473} 1479}
1474 1480
1475void 1481void
1476ev_prepare_stop (EV_P_ struct ev_prepare *w) 1482ev_prepare_stop (EV_P_ struct ev_prepare *w)
… …
1488{ 1494{
1489 if (ev_is_active (w)) 1495 if (ev_is_active (w))
1490 return; 1496 return;
1491 1497
1492 ev_start (EV_A_ (W)w, ++checkcnt); 1498 ev_start (EV_A_ (W)w, ++checkcnt);
1493 array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); 1499 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2);
1494 checks [checkcnt - 1] = w; 1500 checks [checkcnt - 1] = w;
1495} 1501}
1496 1502
1497void 1503void
1498ev_check_stop (EV_P_ struct ev_check *w) 1504ev_check_stop (EV_P_ struct ev_check *w)
… …
1511 1517
1512void 1518void
1513ev_signal_start (EV_P_ struct ev_signal *w) 1519ev_signal_start (EV_P_ struct ev_signal *w)
1514{ 1520{
1515#if EV_MULTIPLICITY 1521#if EV_MULTIPLICITY
1516 assert (("signal watchers are only supported in the default loop", loop == default_loop)); 1522 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1517#endif 1523#endif
1518 if (ev_is_active (w)) 1524 if (ev_is_active (w))
1519 return; 1525 return;
1520 1526
1521 assert (("ev_signal_start called with illegal signal number", w->signum > 0)); 1527 assert (("ev_signal_start called with illegal signal number", w->signum > 0));
… …
1554 1560
1555void 1561void
1556ev_child_start (EV_P_ struct ev_child *w) 1562ev_child_start (EV_P_ struct ev_child *w)
1557{ 1563{
1558#if EV_MULTIPLICITY 1564#if EV_MULTIPLICITY
1559 assert (("child watchers are only supported in the default loop", loop == default_loop)); 1565 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1560#endif 1566#endif
1561 if (ev_is_active (w)) 1567 if (ev_is_active (w))
1562 return; 1568 return;
1563 1569
1564 ev_start (EV_A_ (W)w, 1); 1570 ev_start (EV_A_ (W)w, 1);

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