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Comparing libev/ev.c (file contents):
Revision 1.167 by root, Sat Dec 8 04:02:31 2007 UTC vs.
Revision 1.178 by root, Tue Dec 11 18:36:11 2007 UTC

… …
216# include <sys/inotify.h> 216# include <sys/inotify.h>
217#endif 217#endif
218 218
219/**/ 219/**/
220 220
221/*
222 * This is used to avoid floating point rounding problems.
223 * It is added to ev_rt_now when scheduling periodics
224 * to ensure progress, time-wise, even when rounding
225 * errors are against us.
226 * This value is good at least till the year 4000.
227 * Better solutions welcome.
228 */
229#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
230
221#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 231#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) */ 232#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 */ 233/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
224 234
225#if __GNUC__ >= 3 235#if __GNUC__ >= 3
226# define expect(expr,value) __builtin_expect ((expr),(value)) 236# 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)) 237# 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 238#else
236# define expect(expr,value) (expr) 239# define expect(expr,value) (expr)
237# define inline_speed static
238# define inline_size static
239# define noinline 240# define noinline
241# if __STDC_VERSION__ < 199901L
242# define inline
243# endif
240#endif 244#endif
241 245
242#define expect_false(expr) expect ((expr) != 0, 0) 246#define expect_false(expr) expect ((expr) != 0, 0)
243#define expect_true(expr) expect ((expr) != 0, 1) 247#define expect_true(expr) expect ((expr) != 0, 1)
248#define inline_size static inline
249
250#if EV_MINIMAL
251# define inline_speed static noinline
252#else
253# define inline_speed static inline
254#endif
244 255
245#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 256#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
246#define ABSPRI(w) (((W)w)->priority - EV_MINPRI) 257#define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
247 258
248#define EMPTY /* required for microsofts broken pseudo-c compiler */ 259#define EMPTY /* required for microsofts broken pseudo-c compiler */
… …
417 } 428 }
418 429
419 return ncur; 430 return ncur;
420} 431}
421 432
422inline_speed void * 433static noinline void *
423array_realloc (int elem, void *base, int *cur, int cnt) 434array_realloc (int elem, void *base, int *cur, int cnt)
424{ 435{
425 *cur = array_nextsize (elem, *cur, cnt); 436 *cur = array_nextsize (elem, *cur, cnt);
426 return ev_realloc (base, elem * *cur); 437 return ev_realloc (base, elem * *cur);
427} 438}
… …
452 463
453void noinline 464void noinline
454ev_feed_event (EV_P_ void *w, int revents) 465ev_feed_event (EV_P_ void *w, int revents)
455{ 466{
456 W w_ = (W)w; 467 W w_ = (W)w;
468 int pri = ABSPRI (w_);
457 469
458 if (expect_false (w_->pending)) 470 if (expect_false (w_->pending))
471 pendings [pri][w_->pending - 1].events |= revents;
472 else
459 { 473 {
474 w_->pending = ++pendingcnt [pri];
475 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
476 pendings [pri][w_->pending - 1].w = w_;
460 pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; 477 pendings [pri][w_->pending - 1].events = revents;
461 return;
462 } 478 }
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} 479}
469 480
470void inline_size 481void inline_size
471queue_events (EV_P_ W *events, int eventcnt, int type) 482queue_events (EV_P_ W *events, int eventcnt, int type)
472{ 483{
… …
507} 518}
508 519
509void 520void
510ev_feed_fd_event (EV_P_ int fd, int revents) 521ev_feed_fd_event (EV_P_ int fd, int revents)
511{ 522{
523 if (fd >= 0 && fd < anfdmax)
512 fd_event (EV_A_ fd, revents); 524 fd_event (EV_A_ fd, revents);
513} 525}
514 526
515void inline_size 527void inline_size
516fd_reify (EV_P) 528fd_reify (EV_P)
517{ 529{
… …
747 for (signum = signalmax; signum--; ) 759 for (signum = signalmax; signum--; )
748 if (signals [signum].gotsig) 760 if (signals [signum].gotsig)
749 ev_feed_signal_event (EV_A_ signum + 1); 761 ev_feed_signal_event (EV_A_ signum + 1);
750} 762}
751 763
752void inline_size 764void inline_speed
753fd_intern (int fd) 765fd_intern (int fd)
754{ 766{
755#ifdef _WIN32 767#ifdef _WIN32
756 int arg = 1; 768 int arg = 1;
757 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); 769 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
… …
1163 postfork = 1; 1175 postfork = 1;
1164} 1176}
1165 1177
1166/*****************************************************************************/ 1178/*****************************************************************************/
1167 1179
1180void
1181ev_invoke (EV_P_ void *w, int revents)
1182{
1183 EV_CB_INVOKE ((W)w, revents);
1184}
1185
1168void inline_speed 1186void inline_speed
1169call_pending (EV_P) 1187call_pending (EV_P)
1170{ 1188{
1171 int pri; 1189 int pri;
1172 1190
… …
1223 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ 1241 /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/
1224 1242
1225 /* first reschedule or stop timer */ 1243 /* first reschedule or stop timer */
1226 if (w->reschedule_cb) 1244 if (w->reschedule_cb)
1227 { 1245 {
1228 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); 1246 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON);
1229 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); 1247 assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now));
1230 downheap ((WT *)periodics, periodiccnt, 0); 1248 downheap ((WT *)periodics, periodiccnt, 0);
1231 } 1249 }
1232 else if (w->interval) 1250 else if (w->interval)
1233 { 1251 {
1234 ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; 1252 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1253 if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval;
1235 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); 1254 assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now));
1236 downheap ((WT *)periodics, periodiccnt, 0); 1255 downheap ((WT *)periodics, periodiccnt, 0);
1237 } 1256 }
1238 else 1257 else
1239 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 1258 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
1253 ev_periodic *w = periodics [i]; 1272 ev_periodic *w = periodics [i];
1254 1273
1255 if (w->reschedule_cb) 1274 if (w->reschedule_cb)
1256 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1275 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1257 else if (w->interval) 1276 else if (w->interval)
1258 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1277 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1259 } 1278 }
1260 1279
1261 /* now rebuild the heap */ 1280 /* now rebuild the heap */
1262 for (i = periodiccnt >> 1; i--; ) 1281 for (i = periodiccnt >> 1; i--; )
1263 downheap ((WT *)periodics, periodiccnt, i); 1282 downheap ((WT *)periodics, periodiccnt, i);
… …
1285 } 1304 }
1286 } 1305 }
1287} 1306}
1288#endif 1307#endif
1289 1308
1290int inline_size 1309void inline_speed
1291time_update_monotonic (EV_P) 1310time_update (EV_P_ ev_tstamp max_block)
1292{ 1311{
1312 int i;
1313
1314#if EV_USE_MONOTONIC
1315 if (expect_true (have_monotonic))
1316 {
1317 ev_tstamp odiff = rtmn_diff;
1318
1293 mn_now = get_clock (); 1319 mn_now = get_clock ();
1294 1320
1321 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
1322 /* interpolate in the meantime */
1295 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 1323 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
1296 { 1324 {
1297 ev_rt_now = rtmn_diff + mn_now; 1325 ev_rt_now = rtmn_diff + mn_now;
1298 return 0; 1326 return;
1299 } 1327 }
1300 else 1328
1301 {
1302 now_floor = mn_now; 1329 now_floor = mn_now;
1303 ev_rt_now = ev_time (); 1330 ev_rt_now = ev_time ();
1304 return 1;
1305 }
1306}
1307 1331
1308void inline_size 1332 /* loop a few times, before making important decisions.
1309time_update (EV_P) 1333 * on the choice of "4": one iteration isn't enough,
1310{ 1334 * in case we get preempted during the calls to
1311 int i; 1335 * ev_time and get_clock. a second call is almost guaranteed
1312 1336 * to succeed in that case, though. and looping a few more times
1313#if EV_USE_MONOTONIC 1337 * doesn't hurt either as we only do this on time-jumps or
1314 if (expect_true (have_monotonic)) 1338 * in the unlikely event of having been preempted here.
1315 { 1339 */
1316 if (time_update_monotonic (EV_A)) 1340 for (i = 4; --i; )
1317 { 1341 {
1318 ev_tstamp odiff = rtmn_diff;
1319
1320 /* loop a few times, before making important decisions.
1321 * on the choice of "4": one iteration isn't enough,
1322 * in case we get preempted during the calls to
1323 * ev_time and get_clock. a second call is almost guaranteed
1324 * to succeed in that case, though. and looping a few more times
1325 * doesn't hurt either as we only do this on time-jumps or
1326 * in the unlikely event of having been preempted here.
1327 */
1328 for (i = 4; --i; )
1329 {
1330 rtmn_diff = ev_rt_now - mn_now; 1342 rtmn_diff = ev_rt_now - mn_now;
1331 1343
1332 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) 1344 if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)
1333 return; /* all is well */ 1345 return; /* all is well */
1334 1346
1335 ev_rt_now = ev_time (); 1347 ev_rt_now = ev_time ();
1336 mn_now = get_clock (); 1348 mn_now = get_clock ();
1337 now_floor = mn_now; 1349 now_floor = mn_now;
1338 } 1350 }
1339 1351
1340# if EV_PERIODIC_ENABLE 1352# if EV_PERIODIC_ENABLE
1341 periodics_reschedule (EV_A); 1353 periodics_reschedule (EV_A);
1342# endif 1354# endif
1343 /* no timer adjustment, as the monotonic clock doesn't jump */ 1355 /* no timer adjustment, as the monotonic clock doesn't jump */
1344 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ 1356 /* timers_reschedule (EV_A_ rtmn_diff - odiff) */
1345 }
1346 } 1357 }
1347 else 1358 else
1348#endif 1359#endif
1349 { 1360 {
1350 ev_rt_now = ev_time (); 1361 ev_rt_now = ev_time ();
1351 1362
1352 if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) 1363 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
1353 { 1364 {
1354#if EV_PERIODIC_ENABLE 1365#if EV_PERIODIC_ENABLE
1355 periodics_reschedule (EV_A); 1366 periodics_reschedule (EV_A);
1356#endif 1367#endif
1357
1358 /* adjust timers. this is easy, as the offset is the same for all of them */ 1368 /* adjust timers. this is easy, as the offset is the same for all of them */
1359 for (i = 0; i < timercnt; ++i) 1369 for (i = 0; i < timercnt; ++i)
1360 ((WT)timers [i])->at += ev_rt_now - mn_now; 1370 ((WT)timers [i])->at += ev_rt_now - mn_now;
1361 } 1371 }
1362 1372
… …
1406 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 1416 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
1407 call_pending (EV_A); 1417 call_pending (EV_A);
1408 } 1418 }
1409#endif 1419#endif
1410 1420
1411 /* queue check watchers (and execute them) */ 1421 /* queue prepare watchers (and execute them) */
1412 if (expect_false (preparecnt)) 1422 if (expect_false (preparecnt))
1413 { 1423 {
1414 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 1424 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
1415 call_pending (EV_A); 1425 call_pending (EV_A);
1416 } 1426 }
… …
1432 if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) 1442 if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt))
1433 block = 0.; /* do not block at all */ 1443 block = 0.; /* do not block at all */
1434 else 1444 else
1435 { 1445 {
1436 /* update time to cancel out callback processing overhead */ 1446 /* update time to cancel out callback processing overhead */
1437#if EV_USE_MONOTONIC
1438 if (expect_true (have_monotonic))
1439 time_update_monotonic (EV_A); 1447 time_update (EV_A_ 1e100);
1440 else
1441#endif
1442 {
1443 ev_rt_now = ev_time ();
1444 mn_now = ev_rt_now;
1445 }
1446 1448
1447 block = MAX_BLOCKTIME; 1449 block = MAX_BLOCKTIME;
1448 1450
1449 if (timercnt) 1451 if (timercnt)
1450 { 1452 {
… …
1463 if (expect_false (block < 0.)) block = 0.; 1465 if (expect_false (block < 0.)) block = 0.;
1464 } 1466 }
1465 1467
1466 ++loop_count; 1468 ++loop_count;
1467 backend_poll (EV_A_ block); 1469 backend_poll (EV_A_ block);
1470
1471 /* update ev_rt_now, do magic */
1472 time_update (EV_A_ block);
1468 } 1473 }
1469
1470 /* update ev_rt_now, do magic */
1471 time_update (EV_A);
1472 1474
1473 /* queue pending timers and reschedule them */ 1475 /* queue pending timers and reschedule them */
1474 timers_reify (EV_A); /* relative timers called last */ 1476 timers_reify (EV_A); /* relative timers called last */
1475#if EV_PERIODIC_ENABLE 1477#if EV_PERIODIC_ENABLE
1476 periodics_reify (EV_A); /* absolute timers called first */ 1478 periodics_reify (EV_A); /* absolute timers called first */
… …
1538ev_clear_pending (EV_P_ void *w) 1540ev_clear_pending (EV_P_ void *w)
1539{ 1541{
1540 W w_ = (W)w; 1542 W w_ = (W)w;
1541 int pending = w_->pending; 1543 int pending = w_->pending;
1542 1544
1543 if (!pending) 1545 if (expect_true (pending))
1546 {
1547 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1548 w_->pending = 0;
1549 p->w = 0;
1550 return p->events;
1551 }
1552 else
1544 return 0; 1553 return 0;
1545
1546 w_->pending = 0;
1547 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
1548 p->w = 0;
1549
1550 return p->events;
1551} 1554}
1552 1555
1553void inline_size 1556void inline_size
1554pri_adjust (EV_P_ W w) 1557pri_adjust (EV_P_ W w)
1555{ 1558{
… …
1574 w->active = 0; 1577 w->active = 0;
1575} 1578}
1576 1579
1577/*****************************************************************************/ 1580/*****************************************************************************/
1578 1581
1579void 1582void noinline
1580ev_io_start (EV_P_ ev_io *w) 1583ev_io_start (EV_P_ ev_io *w)
1581{ 1584{
1582 int fd = w->fd; 1585 int fd = w->fd;
1583 1586
1584 if (expect_false (ev_is_active (w))) 1587 if (expect_false (ev_is_active (w)))
… …
1591 wlist_add ((WL *)&anfds[fd].head, (WL)w); 1594 wlist_add ((WL *)&anfds[fd].head, (WL)w);
1592 1595
1593 fd_change (EV_A_ fd); 1596 fd_change (EV_A_ fd);
1594} 1597}
1595 1598
1596void 1599void noinline
1597ev_io_stop (EV_P_ ev_io *w) 1600ev_io_stop (EV_P_ ev_io *w)
1598{ 1601{
1599 clear_pending (EV_A_ (W)w); 1602 clear_pending (EV_A_ (W)w);
1600 if (expect_false (!ev_is_active (w))) 1603 if (expect_false (!ev_is_active (w)))
1601 return; 1604 return;
… …
1606 ev_stop (EV_A_ (W)w); 1609 ev_stop (EV_A_ (W)w);
1607 1610
1608 fd_change (EV_A_ w->fd); 1611 fd_change (EV_A_ w->fd);
1609} 1612}
1610 1613
1611void 1614void noinline
1612ev_timer_start (EV_P_ ev_timer *w) 1615ev_timer_start (EV_P_ ev_timer *w)
1613{ 1616{
1614 if (expect_false (ev_is_active (w))) 1617 if (expect_false (ev_is_active (w)))
1615 return; 1618 return;
1616 1619
… …
1624 upheap ((WT *)timers, timercnt - 1); 1627 upheap ((WT *)timers, timercnt - 1);
1625 1628
1626 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ 1629 /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/
1627} 1630}
1628 1631
1629void 1632void noinline
1630ev_timer_stop (EV_P_ ev_timer *w) 1633ev_timer_stop (EV_P_ ev_timer *w)
1631{ 1634{
1632 clear_pending (EV_A_ (W)w); 1635 clear_pending (EV_A_ (W)w);
1633 if (expect_false (!ev_is_active (w))) 1636 if (expect_false (!ev_is_active (w)))
1634 return; 1637 return;
… …
1648 ((WT)w)->at -= mn_now; 1651 ((WT)w)->at -= mn_now;
1649 1652
1650 ev_stop (EV_A_ (W)w); 1653 ev_stop (EV_A_ (W)w);
1651} 1654}
1652 1655
1653void 1656void noinline
1654ev_timer_again (EV_P_ ev_timer *w) 1657ev_timer_again (EV_P_ ev_timer *w)
1655{ 1658{
1656 if (ev_is_active (w)) 1659 if (ev_is_active (w))
1657 { 1660 {
1658 if (w->repeat) 1661 if (w->repeat)
… …
1669 ev_timer_start (EV_A_ w); 1672 ev_timer_start (EV_A_ w);
1670 } 1673 }
1671} 1674}
1672 1675
1673#if EV_PERIODIC_ENABLE 1676#if EV_PERIODIC_ENABLE
1674void 1677void noinline
1675ev_periodic_start (EV_P_ ev_periodic *w) 1678ev_periodic_start (EV_P_ ev_periodic *w)
1676{ 1679{
1677 if (expect_false (ev_is_active (w))) 1680 if (expect_false (ev_is_active (w)))
1678 return; 1681 return;
1679 1682
… …
1681 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); 1684 ((WT)w)->at = w->reschedule_cb (w, ev_rt_now);
1682 else if (w->interval) 1685 else if (w->interval)
1683 { 1686 {
1684 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); 1687 assert (("ev_periodic_start called with negative interval value", w->interval >= 0.));
1685 /* this formula differs from the one in periodic_reify because we do not always round up */ 1688 /* this formula differs from the one in periodic_reify because we do not always round up */
1686 ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; 1689 ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
1687 } 1690 }
1691 else
1692 ((WT)w)->at = w->offset;
1688 1693
1689 ev_start (EV_A_ (W)w, ++periodiccnt); 1694 ev_start (EV_A_ (W)w, ++periodiccnt);
1690 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); 1695 array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2);
1691 periodics [periodiccnt - 1] = w; 1696 periodics [periodiccnt - 1] = w;
1692 upheap ((WT *)periodics, periodiccnt - 1); 1697 upheap ((WT *)periodics, periodiccnt - 1);
1693 1698
1694 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ 1699 /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/
1695} 1700}
1696 1701
1697void 1702void noinline
1698ev_periodic_stop (EV_P_ ev_periodic *w) 1703ev_periodic_stop (EV_P_ ev_periodic *w)
1699{ 1704{
1700 clear_pending (EV_A_ (W)w); 1705 clear_pending (EV_A_ (W)w);
1701 if (expect_false (!ev_is_active (w))) 1706 if (expect_false (!ev_is_active (w)))
1702 return; 1707 return;
… …
1714 } 1719 }
1715 1720
1716 ev_stop (EV_A_ (W)w); 1721 ev_stop (EV_A_ (W)w);
1717} 1722}
1718 1723
1719void 1724void noinline
1720ev_periodic_again (EV_P_ ev_periodic *w) 1725ev_periodic_again (EV_P_ ev_periodic *w)
1721{ 1726{
1722 /* TODO: use adjustheap and recalculation */ 1727 /* TODO: use adjustheap and recalculation */
1723 ev_periodic_stop (EV_A_ w); 1728 ev_periodic_stop (EV_A_ w);
1724 ev_periodic_start (EV_A_ w); 1729 ev_periodic_start (EV_A_ w);
… …
1727 1732
1728#ifndef SA_RESTART 1733#ifndef SA_RESTART
1729# define SA_RESTART 0 1734# define SA_RESTART 0
1730#endif 1735#endif
1731 1736
1732void 1737void noinline
1733ev_signal_start (EV_P_ ev_signal *w) 1738ev_signal_start (EV_P_ ev_signal *w)
1734{ 1739{
1735#if EV_MULTIPLICITY 1740#if EV_MULTIPLICITY
1736 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 1741 assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
1737#endif 1742#endif
… …
1756 sigaction (w->signum, &sa, 0); 1761 sigaction (w->signum, &sa, 0);
1757#endif 1762#endif
1758 } 1763 }
1759} 1764}
1760 1765
1761void 1766void noinline
1762ev_signal_stop (EV_P_ ev_signal *w) 1767ev_signal_stop (EV_P_ ev_signal *w)
1763{ 1768{
1764 clear_pending (EV_A_ (W)w); 1769 clear_pending (EV_A_ (W)w);
1765 if (expect_false (!ev_is_active (w))) 1770 if (expect_false (!ev_is_active (w)))
1766 return; 1771 return;

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