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Comparing libev/ev.c (file contents):
Revision 1.133 by root, Fri Nov 23 11:32:22 2007 UTC vs.
Revision 1.136 by root, Sat Nov 24 07:14:26 2007 UTC

… …
202#define ABSPRI(w) ((w)->priority - EV_MINPRI) 202#define ABSPRI(w) ((w)->priority - EV_MINPRI)
203 203
204#define EMPTY0 /* required for microsofts broken pseudo-c compiler */ 204#define EMPTY0 /* required for microsofts broken pseudo-c compiler */
205#define EMPTY2(a,b) /* used to suppress some warnings */ 205#define EMPTY2(a,b) /* used to suppress some warnings */
206 206
207typedef struct ev_watcher *W; 207typedef ev_watcher *W;
208typedef struct ev_watcher_list *WL; 208typedef ev_watcher_list *WL;
209typedef struct ev_watcher_time *WT; 209typedef ev_watcher_time *WT;
210 210
211static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 211static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
212 212
213#ifdef _WIN32 213#ifdef _WIN32
214# include "ev_win32.c" 214# include "ev_win32.c"
… …
416 416
417inline void 417inline void
418fd_event (EV_P_ int fd, int revents) 418fd_event (EV_P_ int fd, int revents)
419{ 419{
420 ANFD *anfd = anfds + fd; 420 ANFD *anfd = anfds + fd;
421 struct ev_io *w; 421 ev_io *w;
422 422
423 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 423 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
424 { 424 {
425 int ev = w->events & revents; 425 int ev = w->events & revents;
426 426
427 if (ev) 427 if (ev)
428 ev_feed_event (EV_A_ (W)w, ev); 428 ev_feed_event (EV_A_ (W)w, ev);
… …
444 444
445 for (i = 0; i < fdchangecnt; ++i) 445 for (i = 0; i < fdchangecnt; ++i)
446 { 446 {
447 int fd = fdchanges [i]; 447 int fd = fdchanges [i];
448 ANFD *anfd = anfds + fd; 448 ANFD *anfd = anfds + fd;
449 struct ev_io *w; 449 ev_io *w;
450 450
451 int events = 0; 451 int events = 0;
452 452
453 for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) 453 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
454 events |= w->events; 454 events |= w->events;
455 455
456#if EV_SELECT_IS_WINSOCKET 456#if EV_SELECT_IS_WINSOCKET
457 if (events) 457 if (events)
458 { 458 {
… …
485} 485}
486 486
487static void 487static void
488fd_kill (EV_P_ int fd) 488fd_kill (EV_P_ int fd)
489{ 489{
490 struct ev_io *w; 490 ev_io *w;
491 491
492 while ((w = (struct ev_io *)anfds [fd].head)) 492 while ((w = (ev_io *)anfds [fd].head))
493 { 493 {
494 ev_io_stop (EV_A_ w); 494 ev_io_stop (EV_A_ w);
495 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 495 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
496 } 496 }
497} 497}
… …
608static ANSIG *signals; 608static ANSIG *signals;
609static int signalmax; 609static int signalmax;
610 610
611static int sigpipe [2]; 611static int sigpipe [2];
612static sig_atomic_t volatile gotsig; 612static sig_atomic_t volatile gotsig;
613static struct ev_io sigev; 613static ev_io sigev;
614 614
615static void 615static void
616signals_init (ANSIG *base, int count) 616signals_init (ANSIG *base, int count)
617{ 617{
618 while (count--) 618 while (count--)
… …
661 for (w = signals [signum].head; w; w = w->next) 661 for (w = signals [signum].head; w; w = w->next)
662 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 662 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
663} 663}
664 664
665static void 665static void
666sigcb (EV_P_ struct ev_io *iow, int revents) 666sigcb (EV_P_ ev_io *iow, int revents)
667{ 667{
668 int signum; 668 int signum;
669 669
670 read (sigpipe [0], &revents, 1); 670 read (sigpipe [0], &revents, 1);
671 gotsig = 0; 671 gotsig = 0;
… …
698 ev_unref (EV_A); /* child watcher should not keep loop alive */ 698 ev_unref (EV_A); /* child watcher should not keep loop alive */
699} 699}
700 700
701/*****************************************************************************/ 701/*****************************************************************************/
702 702
703static struct ev_child *childs [PID_HASHSIZE]; 703static ev_child *childs [PID_HASHSIZE];
704 704
705#ifndef _WIN32 705#ifndef _WIN32
706 706
707static struct ev_signal childev; 707static ev_signal childev;
708 708
709#ifndef WCONTINUED 709#ifndef WCONTINUED
710# define WCONTINUED 0 710# define WCONTINUED 0
711#endif 711#endif
712 712
713static void 713static void
714child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) 714child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status)
715{ 715{
716 struct ev_child *w; 716 ev_child *w;
717 717
718 for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) 718 for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next)
719 if (w->pid == pid || !w->pid) 719 if (w->pid == pid || !w->pid)
720 { 720 {
721 ev_priority (w) = ev_priority (sw); /* need to do it *now* */ 721 ev_priority (w) = ev_priority (sw); /* need to do it *now* */
722 w->rpid = pid; 722 w->rpid = pid;
723 w->rstatus = status; 723 w->rstatus = status;
724 ev_feed_event (EV_A_ (W)w, EV_CHILD); 724 ev_feed_event (EV_A_ (W)w, EV_CHILD);
725 } 725 }
726} 726}
727 727
728static void 728static void
729childcb (EV_P_ struct ev_signal *sw, int revents) 729childcb (EV_P_ ev_signal *sw, int revents)
730{ 730{
731 int pid, status; 731 int pid, status;
732 732
733 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) 733 if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
734 { 734 {
… …
816 816
817 return flags; 817 return flags;
818} 818}
819 819
820unsigned int 820unsigned int
821ev_embeddable_backends (void)
822{
823 return EVBACKEND_EPOLL
824 | EVBACKEND_KQUEUE
825 | EVBACKEND_PORT;
826}
827
828unsigned int
821ev_backend (EV_P) 829ev_backend (EV_P)
822{ 830{
823 return backend; 831 return backend;
824} 832}
825 833
… …
1077inline void 1085inline void
1078timers_reify (EV_P) 1086timers_reify (EV_P)
1079{ 1087{
1080 while (timercnt && ((WT)timers [0])->at <= mn_now) 1088 while (timercnt && ((WT)timers [0])->at <= mn_now)
1081 { 1089 {
1082 struct ev_timer *w = timers [0]; 1090 ev_timer *w = timers [0];
1083 1091
1084 assert (("inactive timer on timer heap detected", ev_is_active (w))); 1092 assert (("inactive timer on timer heap detected", ev_is_active (w)));
1085 1093
1086 /* first reschedule or stop timer */ 1094 /* first reschedule or stop timer */
1087 if (w->repeat) 1095 if (w->repeat)
… …
1105inline void 1113inline void
1106periodics_reify (EV_P) 1114periodics_reify (EV_P)
1107{ 1115{
1108 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) 1116 while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now)
1109 { 1117 {
1110 struct ev_periodic *w = periodics [0]; 1118 ev_periodic *w = periodics [0];
1111 1119
1112 assert (("inactive timer on periodic heap detected", ev_is_active (w))); 1120 assert (("inactive timer on periodic heap detected", ev_is_active (w)));
1113 1121
1114 /* first reschedule or stop timer */ 1122 /* first reschedule or stop timer */
1115 if (w->reschedule_cb) 1123 if (w->reschedule_cb)
… …
1137 int i; 1145 int i;
1138 1146
1139 /* adjust periodics after time jump */ 1147 /* adjust periodics after time jump */
1140 for (i = 0; i < periodiccnt; ++i) 1148 for (i = 0; i < periodiccnt; ++i)
1141 { 1149 {
1142 struct ev_periodic *w = periodics [i]; 1150 ev_periodic *w = periodics [i];
1143 1151
1144 if (w->reschedule_cb) 1152 if (w->reschedule_cb)
1145 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1153 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1146 else if (w->interval) 1154 else if (w->interval)
1147 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1155 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
… …
1237static int loop_done; 1245static int loop_done;
1238 1246
1239void 1247void
1240ev_loop (EV_P_ int flags) 1248ev_loop (EV_P_ int flags)
1241{ 1249{
1242 double block;
1243 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; 1250 loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)
1251 ? EVUNLOOP_ONE
1252 : EVUNLOOP_CANCEL;
1244 1253
1245 while (activecnt) 1254 while (activecnt)
1246 { 1255 {
1247 /* queue check watchers (and execute them) */ 1256 /* queue check watchers (and execute them) */
1248 if (expect_false (preparecnt)) 1257 if (expect_false (preparecnt))
… …
1257 1266
1258 /* update fd-related kernel structures */ 1267 /* update fd-related kernel structures */
1259 fd_reify (EV_A); 1268 fd_reify (EV_A);
1260 1269
1261 /* calculate blocking time */ 1270 /* calculate blocking time */
1271 {
1272 double block;
1262 1273
1263 /* we only need this for !monotonic clock or timers, but as we basically 1274 if (flags & EVLOOP_NONBLOCK || idlecnt)
1264 always have timers, we just calculate it always */ 1275 block = 0.; /* do not block at all */
1276 else
1277 {
1278 /* update time to cancel out callback processing overhead */
1265#if EV_USE_MONOTONIC 1279#if EV_USE_MONOTONIC
1266 if (expect_true (have_monotonic)) 1280 if (expect_true (have_monotonic))
1267 time_update_monotonic (EV_A); 1281 time_update_monotonic (EV_A);
1268 else 1282 else
1269#endif 1283#endif
1270 { 1284 {
1271 ev_rt_now = ev_time (); 1285 ev_rt_now = ev_time ();
1272 mn_now = ev_rt_now; 1286 mn_now = ev_rt_now;
1273 } 1287 }
1274 1288
1275 if (flags & EVLOOP_NONBLOCK || idlecnt)
1276 block = 0.;
1277 else
1278 {
1279 block = MAX_BLOCKTIME; 1289 block = MAX_BLOCKTIME;
1280 1290
1281 if (timercnt) 1291 if (timercnt)
1282 { 1292 {
1283 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; 1293 ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge;
1284 if (block > to) block = to; 1294 if (block > to) block = to;
1285 } 1295 }
1286 1296
1287#if EV_PERIODICS 1297#if EV_PERIODICS
1288 if (periodiccnt) 1298 if (periodiccnt)
1289 { 1299 {
1290 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; 1300 ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge;
1291 if (block > to) block = to; 1301 if (block > to) block = to;
1292 } 1302 }
1293#endif 1303#endif
1294 1304
1295 if (expect_false (block < 0.)) block = 0.; 1305 if (expect_false (block < 0.)) block = 0.;
1296 } 1306 }
1297 1307
1298 backend_poll (EV_A_ block); 1308 backend_poll (EV_A_ block);
1309 }
1299 1310
1300 /* update ev_rt_now, do magic */ 1311 /* update ev_rt_now, do magic */
1301 time_update (EV_A); 1312 time_update (EV_A);
1302 1313
1303 /* queue pending timers and reschedule them */ 1314 /* queue pending timers and reschedule them */
… …
1318 1329
1319 if (expect_false (loop_done)) 1330 if (expect_false (loop_done))
1320 break; 1331 break;
1321 } 1332 }
1322 1333
1323 if (loop_done != 2) 1334 if (loop_done == EVUNLOOP_ONE)
1324 loop_done = 0; 1335 loop_done = EVUNLOOP_CANCEL;
1325} 1336}
1326 1337
1327void 1338void
1328ev_unloop (EV_P_ int how) 1339ev_unloop (EV_P_ int how)
1329{ 1340{
… …
1382} 1393}
1383 1394
1384/*****************************************************************************/ 1395/*****************************************************************************/
1385 1396
1386void 1397void
1387ev_io_start (EV_P_ struct ev_io *w) 1398ev_io_start (EV_P_ ev_io *w)
1388{ 1399{
1389 int fd = w->fd; 1400 int fd = w->fd;
1390 1401
1391 if (expect_false (ev_is_active (w))) 1402 if (expect_false (ev_is_active (w)))
1392 return; 1403 return;
… …
1399 1410
1400 fd_change (EV_A_ fd); 1411 fd_change (EV_A_ fd);
1401} 1412}
1402 1413
1403void 1414void
1404ev_io_stop (EV_P_ struct ev_io *w) 1415ev_io_stop (EV_P_ ev_io *w)
1405{ 1416{
1406 ev_clear_pending (EV_A_ (W)w); 1417 ev_clear_pending (EV_A_ (W)w);
1407 if (expect_false (!ev_is_active (w))) 1418 if (expect_false (!ev_is_active (w)))
1408 return; 1419 return;
1409 1420
… …
1414 1425
1415 fd_change (EV_A_ w->fd); 1426 fd_change (EV_A_ w->fd);
1416} 1427}
1417 1428
1418void 1429void
1419ev_timer_start (EV_P_ struct ev_timer *w) 1430ev_timer_start (EV_P_ ev_timer *w)
1420{ 1431{
1421 if (expect_false (ev_is_active (w))) 1432 if (expect_false (ev_is_active (w)))
1422 return; 1433 return;
1423 1434
1424 ((WT)w)->at += mn_now; 1435 ((WT)w)->at += mn_now;
1425 1436
1426 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 1437 assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
1427 1438
1428 ev_start (EV_A_ (W)w, ++timercnt); 1439 ev_start (EV_A_ (W)w, ++timercnt);
1429 array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); 1440 array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2);
1430 timers [timercnt - 1] = w; 1441 timers [timercnt - 1] = w;
1431 upheap ((WT *)timers, timercnt - 1); 1442 upheap ((WT *)timers, timercnt - 1);
1432 1443
1433 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); 1444 assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));
1434} 1445}
1435 1446
1436void 1447void
1437ev_timer_stop (EV_P_ struct ev_timer *w) 1448ev_timer_stop (EV_P_ ev_timer *w)
1438{ 1449{
1439 ev_clear_pending (EV_A_ (W)w); 1450 ev_clear_pending (EV_A_ (W)w);
1440 if (expect_false (!ev_is_active (w))) 1451 if (expect_false (!ev_is_active (w)))
1441 return; 1452 return;
1442 1453
… …
1452 1463
1453 ev_stop (EV_A_ (W)w); 1464 ev_stop (EV_A_ (W)w);
1454} 1465}
1455 1466
1456void 1467void
1457ev_timer_again (EV_P_ struct ev_timer *w) 1468ev_timer_again (EV_P_ ev_timer *w)
1458{ 1469{
1459 if (ev_is_active (w)) 1470 if (ev_is_active (w))
1460 { 1471 {
1461 if (w->repeat) 1472 if (w->repeat)
1462 { 1473 {
… …
1473 } 1484 }
1474} 1485}
1475 1486
1476#if EV_PERIODICS 1487#if EV_PERIODICS
1477void 1488void
1478ev_periodic_start (EV_P_ struct ev_periodic *w) 1489ev_periodic_start (EV_P_ ev_periodic *w)
1479{ 1490{
1480 if (expect_false (ev_is_active (w))) 1491 if (expect_false (ev_is_active (w)))
1481 return; 1492 return;
1482 1493
1483 if (w->reschedule_cb) 1494 if (w->reschedule_cb)
… …
1488 /* this formula differs from the one in periodic_reify because we do not always round up */ 1499 /* this formula differs from the one in periodic_reify because we do not always round up */
1489 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1500 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval;
1490 } 1501 }
1491 1502
1492 ev_start (EV_A_ (W)w, ++periodiccnt); 1503 ev_start (EV_A_ (W)w, ++periodiccnt);
1493 array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); 1504 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1494 periodics [periodiccnt - 1] = w; 1505 periodics [periodiccnt - 1] = w;
1495 upheap ((WT *)periodics, periodiccnt - 1); 1506 upheap ((WT *)periodics, periodiccnt - 1);
1496 1507
1497 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); 1508 assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));
1498} 1509}
1499 1510
1500void 1511void
1501ev_periodic_stop (EV_P_ struct ev_periodic *w) 1512ev_periodic_stop (EV_P_ ev_periodic *w)
1502{ 1513{
1503 ev_clear_pending (EV_A_ (W)w); 1514 ev_clear_pending (EV_A_ (W)w);
1504 if (expect_false (!ev_is_active (w))) 1515 if (expect_false (!ev_is_active (w)))
1505 return; 1516 return;
1506 1517
… …
1514 1525
1515 ev_stop (EV_A_ (W)w); 1526 ev_stop (EV_A_ (W)w);
1516} 1527}
1517 1528
1518void 1529void
1519ev_periodic_again (EV_P_ struct ev_periodic *w) 1530ev_periodic_again (EV_P_ ev_periodic *w)
1520{ 1531{
1521 /* TODO: use adjustheap and recalculation */ 1532 /* TODO: use adjustheap and recalculation */
1522 ev_periodic_stop (EV_A_ w); 1533 ev_periodic_stop (EV_A_ w);
1523 ev_periodic_start (EV_A_ w); 1534 ev_periodic_start (EV_A_ w);
1524} 1535}
1525#endif 1536#endif
1526 1537
1527void 1538void
1528ev_idle_start (EV_P_ struct ev_idle *w) 1539ev_idle_start (EV_P_ ev_idle *w)
1529{ 1540{
1530 if (expect_false (ev_is_active (w))) 1541 if (expect_false (ev_is_active (w)))
1531 return; 1542 return;
1532 1543
1533 ev_start (EV_A_ (W)w, ++idlecnt); 1544 ev_start (EV_A_ (W)w, ++idlecnt);
1534 array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); 1545 array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2);
1535 idles [idlecnt - 1] = w; 1546 idles [idlecnt - 1] = w;
1536} 1547}
1537 1548
1538void 1549void
1539ev_idle_stop (EV_P_ struct ev_idle *w) 1550ev_idle_stop (EV_P_ ev_idle *w)
1540{ 1551{
1541 ev_clear_pending (EV_A_ (W)w); 1552 ev_clear_pending (EV_A_ (W)w);
1542 if (expect_false (!ev_is_active (w))) 1553 if (expect_false (!ev_is_active (w)))
1543 return; 1554 return;
1544 1555
1545 idles [((W)w)->active - 1] = idles [--idlecnt]; 1556 idles [((W)w)->active - 1] = idles [--idlecnt];
1546 ev_stop (EV_A_ (W)w); 1557 ev_stop (EV_A_ (W)w);
1547} 1558}
1548 1559
1549void 1560void
1550ev_prepare_start (EV_P_ struct ev_prepare *w) 1561ev_prepare_start (EV_P_ ev_prepare *w)
1551{ 1562{
1552 if (expect_false (ev_is_active (w))) 1563 if (expect_false (ev_is_active (w)))
1553 return; 1564 return;
1554 1565
1555 ev_start (EV_A_ (W)w, ++preparecnt); 1566 ev_start (EV_A_ (W)w, ++preparecnt);
1556 array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); 1567 array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);
1557 prepares [preparecnt - 1] = w; 1568 prepares [preparecnt - 1] = w;
1558} 1569}
1559 1570
1560void 1571void
1561ev_prepare_stop (EV_P_ struct ev_prepare *w) 1572ev_prepare_stop (EV_P_ ev_prepare *w)
1562{ 1573{
1563 ev_clear_pending (EV_A_ (W)w); 1574 ev_clear_pending (EV_A_ (W)w);
1564 if (expect_false (!ev_is_active (w))) 1575 if (expect_false (!ev_is_active (w)))
1565 return; 1576 return;
1566 1577
1567 prepares [((W)w)->active - 1] = prepares [--preparecnt]; 1578 prepares [((W)w)->active - 1] = prepares [--preparecnt];
1568 ev_stop (EV_A_ (W)w); 1579 ev_stop (EV_A_ (W)w);
1569} 1580}
1570 1581
1571void 1582void
1572ev_check_start (EV_P_ struct ev_check *w) 1583ev_check_start (EV_P_ ev_check *w)
1573{ 1584{
1574 if (expect_false (ev_is_active (w))) 1585 if (expect_false (ev_is_active (w)))
1575 return; 1586 return;
1576 1587
1577 ev_start (EV_A_ (W)w, ++checkcnt); 1588 ev_start (EV_A_ (W)w, ++checkcnt);
1578 array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); 1589 array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);
1579 checks [checkcnt - 1] = w; 1590 checks [checkcnt - 1] = w;
1580} 1591}
1581 1592
1582void 1593void
1583ev_check_stop (EV_P_ struct ev_check *w) 1594ev_check_stop (EV_P_ ev_check *w)
1584{ 1595{
1585 ev_clear_pending (EV_A_ (W)w); 1596 ev_clear_pending (EV_A_ (W)w);
1586 if (expect_false (!ev_is_active (w))) 1597 if (expect_false (!ev_is_active (w)))
1587 return; 1598 return;
1588 1599
… …
1593#ifndef SA_RESTART 1604#ifndef SA_RESTART
1594# define SA_RESTART 0 1605# define SA_RESTART 0
1595#endif 1606#endif
1596 1607
1597void 1608void
1598ev_signal_start (EV_P_ struct ev_signal *w) 1609ev_signal_start (EV_P_ ev_signal *w)
1599{ 1610{
1600#if EV_MULTIPLICITY 1611#if EV_MULTIPLICITY
1601 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1612 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1602#endif 1613#endif
1603 if (expect_false (ev_is_active (w))) 1614 if (expect_false (ev_is_active (w)))
… …
1622#endif 1633#endif
1623 } 1634 }
1624} 1635}
1625 1636
1626void 1637void
1627ev_signal_stop (EV_P_ struct ev_signal *w) 1638ev_signal_stop (EV_P_ ev_signal *w)
1628{ 1639{
1629 ev_clear_pending (EV_A_ (W)w); 1640 ev_clear_pending (EV_A_ (W)w);
1630 if (expect_false (!ev_is_active (w))) 1641 if (expect_false (!ev_is_active (w)))
1631 return; 1642 return;
1632 1643
… …
1636 if (!signals [w->signum - 1].head) 1647 if (!signals [w->signum - 1].head)
1637 signal (w->signum, SIG_DFL); 1648 signal (w->signum, SIG_DFL);
1638} 1649}
1639 1650
1640void 1651void
1641ev_child_start (EV_P_ struct ev_child *w) 1652ev_child_start (EV_P_ ev_child *w)
1642{ 1653{
1643#if EV_MULTIPLICITY 1654#if EV_MULTIPLICITY
1644 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1655 assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1645#endif 1656#endif
1646 if (expect_false (ev_is_active (w))) 1657 if (expect_false (ev_is_active (w)))
… …
1649 ev_start (EV_A_ (W)w, 1); 1660 ev_start (EV_A_ (W)w, 1);
1650 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1661 wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1651} 1662}
1652 1663
1653void 1664void
1654ev_child_stop (EV_P_ struct ev_child *w) 1665ev_child_stop (EV_P_ ev_child *w)
1655{ 1666{
1656 ev_clear_pending (EV_A_ (W)w); 1667 ev_clear_pending (EV_A_ (W)w);
1657 if (expect_false (!ev_is_active (w))) 1668 if (expect_false (!ev_is_active (w)))
1658 return; 1669 return;
1659 1670
1660 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); 1671 wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w);
1661 ev_stop (EV_A_ (W)w); 1672 ev_stop (EV_A_ (W)w);
1662} 1673}
1663 1674
1675#if EV_MULTIPLICITY
1676void
1677ev_embed_loop (EV_P_ ev_embed *w)
1678{
1679 ev_loop (w->loop, EVLOOP_NONBLOCK);
1680}
1681
1682static void
1683embed_cb (EV_P_ ev_io *io, int revents)
1684{
1685 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
1686
1687 if (ev_cb (w))
1688 ev_feed_event (EV_A_ (W)w, EV_EMBED);
1689 else
1690 ev_embed_loop (loop, w);
1691}
1692
1693void
1694ev_embed_start (EV_P_ ev_embed *w)
1695{
1696 if (expect_false (ev_is_active (w)))
1697 return;
1698
1699 {
1700 struct ev_loop *loop = w->loop;
1701 assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
1702 ev_io_init (&w->io, embed_cb, backend_fd, EV_READ);
1703 }
1704
1705 ev_set_priority (&w->io, ev_priority (w));
1706 ev_io_start (EV_A_ &w->io);
1707 ev_start (EV_A_ (W)w, 1);
1708}
1709
1710void
1711ev_embed_stop (EV_P_ ev_embed *w)
1712{
1713 ev_clear_pending (EV_A_ (W)w);
1714 if (expect_false (!ev_is_active (w)))
1715 return;
1716
1717 ev_io_stop (EV_A_ &w->io);
1718 ev_stop (EV_A_ (W)w);
1719}
1720#endif
1721
1664/*****************************************************************************/ 1722/*****************************************************************************/
1665 1723
1666struct ev_once 1724struct ev_once
1667{ 1725{
1668 struct ev_io io; 1726 ev_io io;
1669 struct ev_timer to; 1727 ev_timer to;
1670 void (*cb)(int revents, void *arg); 1728 void (*cb)(int revents, void *arg);
1671 void *arg; 1729 void *arg;
1672}; 1730};
1673 1731
1674static void 1732static void
… …
1683 1741
1684 cb (revents, arg); 1742 cb (revents, arg);
1685} 1743}
1686 1744
1687static void 1745static void
1688once_cb_io (EV_P_ struct ev_io *w, int revents) 1746once_cb_io (EV_P_ ev_io *w, int revents)
1689{ 1747{
1690 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); 1748 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents);
1691} 1749}
1692 1750
1693static void 1751static void
1694once_cb_to (EV_P_ struct ev_timer *w, int revents) 1752once_cb_to (EV_P_ ev_timer *w, int revents)
1695{ 1753{
1696 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); 1754 once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents);
1697} 1755}
1698 1756
1699void 1757void

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