… | |
… | |
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 noinline __attribute__ ((noinline)) |
237 | # define noinline __attribute__ ((noinline)) |
228 | #else |
238 | #else |
… | |
… | |
418 | } |
428 | } |
419 | |
429 | |
420 | return ncur; |
430 | return ncur; |
421 | } |
431 | } |
422 | |
432 | |
423 | inline_speed void * |
433 | static noinline void * |
424 | array_realloc (int elem, void *base, int *cur, int cnt) |
434 | array_realloc (int elem, void *base, int *cur, int cnt) |
425 | { |
435 | { |
426 | *cur = array_nextsize (elem, *cur, cnt); |
436 | *cur = array_nextsize (elem, *cur, cnt); |
427 | return ev_realloc (base, elem * *cur); |
437 | return ev_realloc (base, elem * *cur); |
428 | } |
438 | } |
… | |
… | |
453 | |
463 | |
454 | void noinline |
464 | void noinline |
455 | ev_feed_event (EV_P_ void *w, int revents) |
465 | ev_feed_event (EV_P_ void *w, int revents) |
456 | { |
466 | { |
457 | W w_ = (W)w; |
467 | W w_ = (W)w; |
|
|
468 | int pri = ABSPRI (w_); |
458 | |
469 | |
459 | if (expect_false (w_->pending)) |
470 | if (expect_false (w_->pending)) |
|
|
471 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
472 | else |
460 | { |
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_; |
461 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
477 | pendings [pri][w_->pending - 1].events = revents; |
462 | return; |
|
|
463 | } |
478 | } |
464 | |
|
|
465 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
466 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
467 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
468 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
469 | } |
479 | } |
470 | |
480 | |
471 | void inline_size |
481 | void inline_speed |
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
482 | queue_events (EV_P_ W *events, int eventcnt, int type) |
473 | { |
483 | { |
474 | int i; |
484 | int i; |
475 | |
485 | |
476 | for (i = 0; i < eventcnt; ++i) |
486 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
628 | void inline_speed |
638 | void inline_speed |
629 | upheap (WT *heap, int k) |
639 | upheap (WT *heap, int k) |
630 | { |
640 | { |
631 | WT w = heap [k]; |
641 | WT w = heap [k]; |
632 | |
642 | |
633 | while (k && heap [k >> 1]->at > w->at) |
643 | while (k) |
634 | { |
644 | { |
|
|
645 | int p = (k - 1) >> 1; |
|
|
646 | |
|
|
647 | if (heap [p]->at <= w->at) |
|
|
648 | break; |
|
|
649 | |
635 | heap [k] = heap [k >> 1]; |
650 | heap [k] = heap [p]; |
636 | ((W)heap [k])->active = k + 1; |
651 | ((W)heap [k])->active = k + 1; |
637 | k >>= 1; |
652 | k = p; |
638 | } |
653 | } |
639 | |
654 | |
640 | heap [k] = w; |
655 | heap [k] = w; |
641 | ((W)heap [k])->active = k + 1; |
656 | ((W)heap [k])->active = k + 1; |
642 | |
|
|
643 | } |
657 | } |
644 | |
658 | |
645 | void inline_speed |
659 | void inline_speed |
646 | downheap (WT *heap, int N, int k) |
660 | downheap (WT *heap, int N, int k) |
647 | { |
661 | { |
648 | WT w = heap [k]; |
662 | WT w = heap [k]; |
649 | |
663 | |
650 | while (k < (N >> 1)) |
664 | for (;;) |
651 | { |
665 | { |
652 | int j = k << 1; |
666 | int c = (k << 1) + 1; |
653 | |
667 | |
654 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
668 | if (c >= N) |
655 | ++j; |
|
|
656 | |
|
|
657 | if (w->at <= heap [j]->at) |
|
|
658 | break; |
669 | break; |
659 | |
670 | |
|
|
671 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
672 | ? 1 : 0; |
|
|
673 | |
|
|
674 | if (w->at <= heap [c]->at) |
|
|
675 | break; |
|
|
676 | |
660 | heap [k] = heap [j]; |
677 | heap [k] = heap [c]; |
661 | ((W)heap [k])->active = k + 1; |
678 | ((W)heap [k])->active = k + 1; |
|
|
679 | |
662 | k = j; |
680 | k = c; |
663 | } |
681 | } |
664 | |
682 | |
665 | heap [k] = w; |
683 | heap [k] = w; |
666 | ((W)heap [k])->active = k + 1; |
684 | ((W)heap [k])->active = k + 1; |
667 | } |
685 | } |
… | |
… | |
749 | for (signum = signalmax; signum--; ) |
767 | for (signum = signalmax; signum--; ) |
750 | if (signals [signum].gotsig) |
768 | if (signals [signum].gotsig) |
751 | ev_feed_signal_event (EV_A_ signum + 1); |
769 | ev_feed_signal_event (EV_A_ signum + 1); |
752 | } |
770 | } |
753 | |
771 | |
754 | void inline_size |
772 | void inline_speed |
755 | fd_intern (int fd) |
773 | fd_intern (int fd) |
756 | { |
774 | { |
757 | #ifdef _WIN32 |
775 | #ifdef _WIN32 |
758 | int arg = 1; |
776 | int arg = 1; |
759 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
777 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
774 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
792 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
775 | } |
793 | } |
776 | |
794 | |
777 | /*****************************************************************************/ |
795 | /*****************************************************************************/ |
778 | |
796 | |
779 | static ev_child *childs [EV_PID_HASHSIZE]; |
797 | static WL childs [EV_PID_HASHSIZE]; |
780 | |
798 | |
781 | #ifndef _WIN32 |
799 | #ifndef _WIN32 |
782 | |
800 | |
783 | static ev_signal childev; |
801 | static ev_signal childev; |
784 | |
802 | |
… | |
… | |
1196 | void inline_size |
1214 | void inline_size |
1197 | timers_reify (EV_P) |
1215 | timers_reify (EV_P) |
1198 | { |
1216 | { |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1217 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1200 | { |
1218 | { |
1201 | ev_timer *w = timers [0]; |
1219 | ev_timer *w = (ev_timer *)timers [0]; |
1202 | |
1220 | |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1221 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1204 | |
1222 | |
1205 | /* first reschedule or stop timer */ |
1223 | /* first reschedule or stop timer */ |
1206 | if (w->repeat) |
1224 | if (w->repeat) |
… | |
… | |
1209 | |
1227 | |
1210 | ((WT)w)->at += w->repeat; |
1228 | ((WT)w)->at += w->repeat; |
1211 | if (((WT)w)->at < mn_now) |
1229 | if (((WT)w)->at < mn_now) |
1212 | ((WT)w)->at = mn_now; |
1230 | ((WT)w)->at = mn_now; |
1213 | |
1231 | |
1214 | downheap ((WT *)timers, timercnt, 0); |
1232 | downheap (timers, timercnt, 0); |
1215 | } |
1233 | } |
1216 | else |
1234 | else |
1217 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1235 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1218 | |
1236 | |
1219 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1237 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1224 | void inline_size |
1242 | void inline_size |
1225 | periodics_reify (EV_P) |
1243 | periodics_reify (EV_P) |
1226 | { |
1244 | { |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1245 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1228 | { |
1246 | { |
1229 | ev_periodic *w = periodics [0]; |
1247 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1230 | |
1248 | |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1249 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1232 | |
1250 | |
1233 | /* first reschedule or stop timer */ |
1251 | /* first reschedule or stop timer */ |
1234 | if (w->reschedule_cb) |
1252 | if (w->reschedule_cb) |
1235 | { |
1253 | { |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1254 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1255 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1256 | downheap (periodics, periodiccnt, 0); |
1239 | } |
1257 | } |
1240 | else if (w->interval) |
1258 | else if (w->interval) |
1241 | { |
1259 | { |
1242 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1260 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1261 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1262 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1263 | downheap (periodics, periodiccnt, 0); |
1245 | } |
1264 | } |
1246 | else |
1265 | else |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1266 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | |
1267 | |
1249 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1268 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1256 | int i; |
1275 | int i; |
1257 | |
1276 | |
1258 | /* adjust periodics after time jump */ |
1277 | /* adjust periodics after time jump */ |
1259 | for (i = 0; i < periodiccnt; ++i) |
1278 | for (i = 0; i < periodiccnt; ++i) |
1260 | { |
1279 | { |
1261 | ev_periodic *w = periodics [i]; |
1280 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1262 | |
1281 | |
1263 | if (w->reschedule_cb) |
1282 | if (w->reschedule_cb) |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1283 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1265 | else if (w->interval) |
1284 | else if (w->interval) |
1266 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1285 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1267 | } |
1286 | } |
1268 | |
1287 | |
1269 | /* now rebuild the heap */ |
1288 | /* now rebuild the heap */ |
1270 | for (i = periodiccnt >> 1; i--; ) |
1289 | for (i = periodiccnt >> 1; i--; ) |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1290 | downheap (periodics, periodiccnt, i); |
1272 | } |
1291 | } |
1273 | #endif |
1292 | #endif |
1274 | |
1293 | |
1275 | #if EV_IDLE_ENABLE |
1294 | #if EV_IDLE_ENABLE |
1276 | void inline_size |
1295 | void inline_size |
… | |
… | |
1293 | } |
1312 | } |
1294 | } |
1313 | } |
1295 | } |
1314 | } |
1296 | #endif |
1315 | #endif |
1297 | |
1316 | |
1298 | int inline_size |
1317 | void inline_speed |
1299 | time_update_monotonic (EV_P) |
1318 | time_update (EV_P_ ev_tstamp max_block) |
1300 | { |
1319 | { |
|
|
1320 | int i; |
|
|
1321 | |
|
|
1322 | #if EV_USE_MONOTONIC |
|
|
1323 | if (expect_true (have_monotonic)) |
|
|
1324 | { |
|
|
1325 | ev_tstamp odiff = rtmn_diff; |
|
|
1326 | |
1301 | mn_now = get_clock (); |
1327 | mn_now = get_clock (); |
1302 | |
1328 | |
|
|
1329 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1330 | /* interpolate in the meantime */ |
1303 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1331 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1304 | { |
1332 | { |
1305 | ev_rt_now = rtmn_diff + mn_now; |
1333 | ev_rt_now = rtmn_diff + mn_now; |
1306 | return 0; |
1334 | return; |
1307 | } |
1335 | } |
1308 | else |
1336 | |
1309 | { |
|
|
1310 | now_floor = mn_now; |
1337 | now_floor = mn_now; |
1311 | ev_rt_now = ev_time (); |
1338 | ev_rt_now = ev_time (); |
1312 | return 1; |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | |
1339 | |
1316 | void inline_size |
1340 | /* loop a few times, before making important decisions. |
1317 | time_update (EV_P) |
1341 | * on the choice of "4": one iteration isn't enough, |
1318 | { |
1342 | * in case we get preempted during the calls to |
1319 | int i; |
1343 | * ev_time and get_clock. a second call is almost guaranteed |
1320 | |
1344 | * to succeed in that case, though. and looping a few more times |
1321 | #if EV_USE_MONOTONIC |
1345 | * doesn't hurt either as we only do this on time-jumps or |
1322 | if (expect_true (have_monotonic)) |
1346 | * in the unlikely event of having been preempted here. |
1323 | { |
1347 | */ |
1324 | if (time_update_monotonic (EV_A)) |
1348 | for (i = 4; --i; ) |
1325 | { |
1349 | { |
1326 | ev_tstamp odiff = rtmn_diff; |
|
|
1327 | |
|
|
1328 | /* loop a few times, before making important decisions. |
|
|
1329 | * on the choice of "4": one iteration isn't enough, |
|
|
1330 | * in case we get preempted during the calls to |
|
|
1331 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1332 | * to succeed in that case, though. and looping a few more times |
|
|
1333 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1334 | * in the unlikely event of having been preempted here. |
|
|
1335 | */ |
|
|
1336 | for (i = 4; --i; ) |
|
|
1337 | { |
|
|
1338 | rtmn_diff = ev_rt_now - mn_now; |
1350 | rtmn_diff = ev_rt_now - mn_now; |
1339 | |
1351 | |
1340 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1352 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1341 | return; /* all is well */ |
1353 | return; /* all is well */ |
1342 | |
1354 | |
1343 | ev_rt_now = ev_time (); |
1355 | ev_rt_now = ev_time (); |
1344 | mn_now = get_clock (); |
1356 | mn_now = get_clock (); |
1345 | now_floor = mn_now; |
1357 | now_floor = mn_now; |
1346 | } |
1358 | } |
1347 | |
1359 | |
1348 | # if EV_PERIODIC_ENABLE |
1360 | # if EV_PERIODIC_ENABLE |
1349 | periodics_reschedule (EV_A); |
1361 | periodics_reschedule (EV_A); |
1350 | # endif |
1362 | # endif |
1351 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1363 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1352 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1364 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1353 | } |
|
|
1354 | } |
1365 | } |
1355 | else |
1366 | else |
1356 | #endif |
1367 | #endif |
1357 | { |
1368 | { |
1358 | ev_rt_now = ev_time (); |
1369 | ev_rt_now = ev_time (); |
1359 | |
1370 | |
1360 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1371 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1361 | { |
1372 | { |
1362 | #if EV_PERIODIC_ENABLE |
1373 | #if EV_PERIODIC_ENABLE |
1363 | periodics_reschedule (EV_A); |
1374 | periodics_reschedule (EV_A); |
1364 | #endif |
1375 | #endif |
1365 | |
|
|
1366 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1376 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1367 | for (i = 0; i < timercnt; ++i) |
1377 | for (i = 0; i < timercnt; ++i) |
1368 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1378 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1369 | } |
1379 | } |
1370 | |
1380 | |
… | |
… | |
1440 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1450 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1441 | block = 0.; /* do not block at all */ |
1451 | block = 0.; /* do not block at all */ |
1442 | else |
1452 | else |
1443 | { |
1453 | { |
1444 | /* update time to cancel out callback processing overhead */ |
1454 | /* update time to cancel out callback processing overhead */ |
1445 | #if EV_USE_MONOTONIC |
|
|
1446 | if (expect_true (have_monotonic)) |
|
|
1447 | time_update_monotonic (EV_A); |
1455 | time_update (EV_A_ 1e100); |
1448 | else |
|
|
1449 | #endif |
|
|
1450 | { |
|
|
1451 | ev_rt_now = ev_time (); |
|
|
1452 | mn_now = ev_rt_now; |
|
|
1453 | } |
|
|
1454 | |
1456 | |
1455 | block = MAX_BLOCKTIME; |
1457 | block = MAX_BLOCKTIME; |
1456 | |
1458 | |
1457 | if (timercnt) |
1459 | if (timercnt) |
1458 | { |
1460 | { |
… | |
… | |
1471 | if (expect_false (block < 0.)) block = 0.; |
1473 | if (expect_false (block < 0.)) block = 0.; |
1472 | } |
1474 | } |
1473 | |
1475 | |
1474 | ++loop_count; |
1476 | ++loop_count; |
1475 | backend_poll (EV_A_ block); |
1477 | backend_poll (EV_A_ block); |
|
|
1478 | |
|
|
1479 | /* update ev_rt_now, do magic */ |
|
|
1480 | time_update (EV_A_ block); |
1476 | } |
1481 | } |
1477 | |
|
|
1478 | /* update ev_rt_now, do magic */ |
|
|
1479 | time_update (EV_A); |
|
|
1480 | |
1482 | |
1481 | /* queue pending timers and reschedule them */ |
1483 | /* queue pending timers and reschedule them */ |
1482 | timers_reify (EV_A); /* relative timers called last */ |
1484 | timers_reify (EV_A); /* relative timers called last */ |
1483 | #if EV_PERIODIC_ENABLE |
1485 | #if EV_PERIODIC_ENABLE |
1484 | periodics_reify (EV_A); /* absolute timers called first */ |
1486 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1546 | ev_clear_pending (EV_P_ void *w) |
1548 | ev_clear_pending (EV_P_ void *w) |
1547 | { |
1549 | { |
1548 | W w_ = (W)w; |
1550 | W w_ = (W)w; |
1549 | int pending = w_->pending; |
1551 | int pending = w_->pending; |
1550 | |
1552 | |
1551 | if (!pending) |
1553 | if (expect_true (pending)) |
|
|
1554 | { |
|
|
1555 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1556 | w_->pending = 0; |
|
|
1557 | p->w = 0; |
|
|
1558 | return p->events; |
|
|
1559 | } |
|
|
1560 | else |
1552 | return 0; |
1561 | return 0; |
1553 | |
|
|
1554 | w_->pending = 0; |
|
|
1555 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1556 | p->w = 0; |
|
|
1557 | |
|
|
1558 | return p->events; |
|
|
1559 | } |
1562 | } |
1560 | |
1563 | |
1561 | void inline_size |
1564 | void inline_size |
1562 | pri_adjust (EV_P_ W w) |
1565 | pri_adjust (EV_P_ W w) |
1563 | { |
1566 | { |
… | |
… | |
1582 | w->active = 0; |
1585 | w->active = 0; |
1583 | } |
1586 | } |
1584 | |
1587 | |
1585 | /*****************************************************************************/ |
1588 | /*****************************************************************************/ |
1586 | |
1589 | |
1587 | void |
1590 | void noinline |
1588 | ev_io_start (EV_P_ ev_io *w) |
1591 | ev_io_start (EV_P_ ev_io *w) |
1589 | { |
1592 | { |
1590 | int fd = w->fd; |
1593 | int fd = w->fd; |
1591 | |
1594 | |
1592 | if (expect_false (ev_is_active (w))) |
1595 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1594 | |
1597 | |
1595 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1598 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1596 | |
1599 | |
1597 | ev_start (EV_A_ (W)w, 1); |
1600 | ev_start (EV_A_ (W)w, 1); |
1598 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1601 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1599 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1602 | wlist_add (&anfds[fd].head, (WL)w); |
1600 | |
1603 | |
1601 | fd_change (EV_A_ fd); |
1604 | fd_change (EV_A_ fd); |
1602 | } |
1605 | } |
1603 | |
1606 | |
1604 | void |
1607 | void noinline |
1605 | ev_io_stop (EV_P_ ev_io *w) |
1608 | ev_io_stop (EV_P_ ev_io *w) |
1606 | { |
1609 | { |
1607 | clear_pending (EV_A_ (W)w); |
1610 | clear_pending (EV_A_ (W)w); |
1608 | if (expect_false (!ev_is_active (w))) |
1611 | if (expect_false (!ev_is_active (w))) |
1609 | return; |
1612 | return; |
1610 | |
1613 | |
1611 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1614 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1612 | |
1615 | |
1613 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1616 | wlist_del (&anfds[w->fd].head, (WL)w); |
1614 | ev_stop (EV_A_ (W)w); |
1617 | ev_stop (EV_A_ (W)w); |
1615 | |
1618 | |
1616 | fd_change (EV_A_ w->fd); |
1619 | fd_change (EV_A_ w->fd); |
1617 | } |
1620 | } |
1618 | |
1621 | |
1619 | void |
1622 | void noinline |
1620 | ev_timer_start (EV_P_ ev_timer *w) |
1623 | ev_timer_start (EV_P_ ev_timer *w) |
1621 | { |
1624 | { |
1622 | if (expect_false (ev_is_active (w))) |
1625 | if (expect_false (ev_is_active (w))) |
1623 | return; |
1626 | return; |
1624 | |
1627 | |
1625 | ((WT)w)->at += mn_now; |
1628 | ((WT)w)->at += mn_now; |
1626 | |
1629 | |
1627 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1630 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1628 | |
1631 | |
1629 | ev_start (EV_A_ (W)w, ++timercnt); |
1632 | ev_start (EV_A_ (W)w, ++timercnt); |
1630 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1633 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1631 | timers [timercnt - 1] = w; |
1634 | timers [timercnt - 1] = (WT)w; |
1632 | upheap ((WT *)timers, timercnt - 1); |
1635 | upheap (timers, timercnt - 1); |
1633 | |
1636 | |
1634 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1637 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1635 | } |
1638 | } |
1636 | |
1639 | |
1637 | void |
1640 | void noinline |
1638 | ev_timer_stop (EV_P_ ev_timer *w) |
1641 | ev_timer_stop (EV_P_ ev_timer *w) |
1639 | { |
1642 | { |
1640 | clear_pending (EV_A_ (W)w); |
1643 | clear_pending (EV_A_ (W)w); |
1641 | if (expect_false (!ev_is_active (w))) |
1644 | if (expect_false (!ev_is_active (w))) |
1642 | return; |
1645 | return; |
1643 | |
1646 | |
1644 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1647 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1645 | |
1648 | |
1646 | { |
1649 | { |
1647 | int active = ((W)w)->active; |
1650 | int active = ((W)w)->active; |
1648 | |
1651 | |
1649 | if (expect_true (--active < --timercnt)) |
1652 | if (expect_true (--active < --timercnt)) |
1650 | { |
1653 | { |
1651 | timers [active] = timers [timercnt]; |
1654 | timers [active] = timers [timercnt]; |
1652 | adjustheap ((WT *)timers, timercnt, active); |
1655 | adjustheap (timers, timercnt, active); |
1653 | } |
1656 | } |
1654 | } |
1657 | } |
1655 | |
1658 | |
1656 | ((WT)w)->at -= mn_now; |
1659 | ((WT)w)->at -= mn_now; |
1657 | |
1660 | |
1658 | ev_stop (EV_A_ (W)w); |
1661 | ev_stop (EV_A_ (W)w); |
1659 | } |
1662 | } |
1660 | |
1663 | |
1661 | void |
1664 | void noinline |
1662 | ev_timer_again (EV_P_ ev_timer *w) |
1665 | ev_timer_again (EV_P_ ev_timer *w) |
1663 | { |
1666 | { |
1664 | if (ev_is_active (w)) |
1667 | if (ev_is_active (w)) |
1665 | { |
1668 | { |
1666 | if (w->repeat) |
1669 | if (w->repeat) |
1667 | { |
1670 | { |
1668 | ((WT)w)->at = mn_now + w->repeat; |
1671 | ((WT)w)->at = mn_now + w->repeat; |
1669 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1672 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1670 | } |
1673 | } |
1671 | else |
1674 | else |
1672 | ev_timer_stop (EV_A_ w); |
1675 | ev_timer_stop (EV_A_ w); |
1673 | } |
1676 | } |
1674 | else if (w->repeat) |
1677 | else if (w->repeat) |
… | |
… | |
1677 | ev_timer_start (EV_A_ w); |
1680 | ev_timer_start (EV_A_ w); |
1678 | } |
1681 | } |
1679 | } |
1682 | } |
1680 | |
1683 | |
1681 | #if EV_PERIODIC_ENABLE |
1684 | #if EV_PERIODIC_ENABLE |
1682 | void |
1685 | void noinline |
1683 | ev_periodic_start (EV_P_ ev_periodic *w) |
1686 | ev_periodic_start (EV_P_ ev_periodic *w) |
1684 | { |
1687 | { |
1685 | if (expect_false (ev_is_active (w))) |
1688 | if (expect_false (ev_is_active (w))) |
1686 | return; |
1689 | return; |
1687 | |
1690 | |
… | |
… | |
1689 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1692 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1690 | else if (w->interval) |
1693 | else if (w->interval) |
1691 | { |
1694 | { |
1692 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1695 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1693 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1696 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1694 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1697 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1695 | } |
1698 | } |
|
|
1699 | else |
|
|
1700 | ((WT)w)->at = w->offset; |
1696 | |
1701 | |
1697 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1702 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1698 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1703 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1699 | periodics [periodiccnt - 1] = w; |
1704 | periodics [periodiccnt - 1] = (WT)w; |
1700 | upheap ((WT *)periodics, periodiccnt - 1); |
1705 | upheap (periodics, periodiccnt - 1); |
1701 | |
1706 | |
1702 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1707 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1703 | } |
1708 | } |
1704 | |
1709 | |
1705 | void |
1710 | void noinline |
1706 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1711 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1707 | { |
1712 | { |
1708 | clear_pending (EV_A_ (W)w); |
1713 | clear_pending (EV_A_ (W)w); |
1709 | if (expect_false (!ev_is_active (w))) |
1714 | if (expect_false (!ev_is_active (w))) |
1710 | return; |
1715 | return; |
1711 | |
1716 | |
1712 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1717 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1713 | |
1718 | |
1714 | { |
1719 | { |
1715 | int active = ((W)w)->active; |
1720 | int active = ((W)w)->active; |
1716 | |
1721 | |
1717 | if (expect_true (--active < --periodiccnt)) |
1722 | if (expect_true (--active < --periodiccnt)) |
1718 | { |
1723 | { |
1719 | periodics [active] = periodics [periodiccnt]; |
1724 | periodics [active] = periodics [periodiccnt]; |
1720 | adjustheap ((WT *)periodics, periodiccnt, active); |
1725 | adjustheap (periodics, periodiccnt, active); |
1721 | } |
1726 | } |
1722 | } |
1727 | } |
1723 | |
1728 | |
1724 | ev_stop (EV_A_ (W)w); |
1729 | ev_stop (EV_A_ (W)w); |
1725 | } |
1730 | } |
1726 | |
1731 | |
1727 | void |
1732 | void noinline |
1728 | ev_periodic_again (EV_P_ ev_periodic *w) |
1733 | ev_periodic_again (EV_P_ ev_periodic *w) |
1729 | { |
1734 | { |
1730 | /* TODO: use adjustheap and recalculation */ |
1735 | /* TODO: use adjustheap and recalculation */ |
1731 | ev_periodic_stop (EV_A_ w); |
1736 | ev_periodic_stop (EV_A_ w); |
1732 | ev_periodic_start (EV_A_ w); |
1737 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1735 | |
1740 | |
1736 | #ifndef SA_RESTART |
1741 | #ifndef SA_RESTART |
1737 | # define SA_RESTART 0 |
1742 | # define SA_RESTART 0 |
1738 | #endif |
1743 | #endif |
1739 | |
1744 | |
1740 | void |
1745 | void noinline |
1741 | ev_signal_start (EV_P_ ev_signal *w) |
1746 | ev_signal_start (EV_P_ ev_signal *w) |
1742 | { |
1747 | { |
1743 | #if EV_MULTIPLICITY |
1748 | #if EV_MULTIPLICITY |
1744 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1749 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1745 | #endif |
1750 | #endif |
1746 | if (expect_false (ev_is_active (w))) |
1751 | if (expect_false (ev_is_active (w))) |
1747 | return; |
1752 | return; |
1748 | |
1753 | |
1749 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1754 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1750 | |
1755 | |
|
|
1756 | { |
|
|
1757 | #ifndef _WIN32 |
|
|
1758 | sigset_t full, prev; |
|
|
1759 | sigfillset (&full); |
|
|
1760 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1761 | #endif |
|
|
1762 | |
|
|
1763 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1764 | |
|
|
1765 | #ifndef _WIN32 |
|
|
1766 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1767 | #endif |
|
|
1768 | } |
|
|
1769 | |
1751 | ev_start (EV_A_ (W)w, 1); |
1770 | ev_start (EV_A_ (W)w, 1); |
1752 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1753 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1771 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1754 | |
1772 | |
1755 | if (!((WL)w)->next) |
1773 | if (!((WL)w)->next) |
1756 | { |
1774 | { |
1757 | #if _WIN32 |
1775 | #if _WIN32 |
1758 | signal (w->signum, sighandler); |
1776 | signal (w->signum, sighandler); |
… | |
… | |
1764 | sigaction (w->signum, &sa, 0); |
1782 | sigaction (w->signum, &sa, 0); |
1765 | #endif |
1783 | #endif |
1766 | } |
1784 | } |
1767 | } |
1785 | } |
1768 | |
1786 | |
1769 | void |
1787 | void noinline |
1770 | ev_signal_stop (EV_P_ ev_signal *w) |
1788 | ev_signal_stop (EV_P_ ev_signal *w) |
1771 | { |
1789 | { |
1772 | clear_pending (EV_A_ (W)w); |
1790 | clear_pending (EV_A_ (W)w); |
1773 | if (expect_false (!ev_is_active (w))) |
1791 | if (expect_false (!ev_is_active (w))) |
1774 | return; |
1792 | return; |
1775 | |
1793 | |
1776 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1794 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1777 | ev_stop (EV_A_ (W)w); |
1795 | ev_stop (EV_A_ (W)w); |
1778 | |
1796 | |
1779 | if (!signals [w->signum - 1].head) |
1797 | if (!signals [w->signum - 1].head) |
1780 | signal (w->signum, SIG_DFL); |
1798 | signal (w->signum, SIG_DFL); |
1781 | } |
1799 | } |
… | |
… | |
1788 | #endif |
1806 | #endif |
1789 | if (expect_false (ev_is_active (w))) |
1807 | if (expect_false (ev_is_active (w))) |
1790 | return; |
1808 | return; |
1791 | |
1809 | |
1792 | ev_start (EV_A_ (W)w, 1); |
1810 | ev_start (EV_A_ (W)w, 1); |
1793 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1811 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1794 | } |
1812 | } |
1795 | |
1813 | |
1796 | void |
1814 | void |
1797 | ev_child_stop (EV_P_ ev_child *w) |
1815 | ev_child_stop (EV_P_ ev_child *w) |
1798 | { |
1816 | { |
1799 | clear_pending (EV_A_ (W)w); |
1817 | clear_pending (EV_A_ (W)w); |
1800 | if (expect_false (!ev_is_active (w))) |
1818 | if (expect_false (!ev_is_active (w))) |
1801 | return; |
1819 | return; |
1802 | |
1820 | |
1803 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1821 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1804 | ev_stop (EV_A_ (W)w); |
1822 | ev_stop (EV_A_ (W)w); |
1805 | } |
1823 | } |
1806 | |
1824 | |
1807 | #if EV_STAT_ENABLE |
1825 | #if EV_STAT_ENABLE |
1808 | |
1826 | |