… | |
… | |
886 | ev_backend (EV_P) |
886 | ev_backend (EV_P) |
887 | { |
887 | { |
888 | return backend; |
888 | return backend; |
889 | } |
889 | } |
890 | |
890 | |
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891 | unsigned int |
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|
892 | ev_loop_count (EV_P) |
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|
893 | { |
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894 | return loop_count; |
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|
895 | } |
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|
896 | |
891 | static void noinline |
897 | static void noinline |
892 | loop_init (EV_P_ unsigned int flags) |
898 | loop_init (EV_P_ unsigned int flags) |
893 | { |
899 | { |
894 | if (!backend) |
900 | if (!backend) |
895 | { |
901 | { |
… | |
… | |
1342 | ? EVUNLOOP_ONE |
1348 | ? EVUNLOOP_ONE |
1343 | : EVUNLOOP_CANCEL; |
1349 | : EVUNLOOP_CANCEL; |
1344 | |
1350 | |
1345 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1351 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1346 | |
1352 | |
1347 | for (;;) |
1353 | do |
1348 | { |
1354 | { |
1349 | #ifndef _WIN32 |
1355 | #ifndef _WIN32 |
1350 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1356 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1351 | if (expect_false (getpid () != curpid)) |
1357 | if (expect_false (getpid () != curpid)) |
1352 | { |
1358 | { |
… | |
… | |
1384 | |
1390 | |
1385 | /* calculate blocking time */ |
1391 | /* calculate blocking time */ |
1386 | { |
1392 | { |
1387 | ev_tstamp block; |
1393 | ev_tstamp block; |
1388 | |
1394 | |
1389 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1395 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
1390 | block = 0.; /* do not block at all */ |
1396 | block = 0.; /* do not block at all */ |
1391 | else |
1397 | else |
1392 | { |
1398 | { |
1393 | /* update time to cancel out callback processing overhead */ |
1399 | /* update time to cancel out callback processing overhead */ |
1394 | #if EV_USE_MONOTONIC |
1400 | #if EV_USE_MONOTONIC |
… | |
… | |
1418 | #endif |
1424 | #endif |
1419 | |
1425 | |
1420 | if (expect_false (block < 0.)) block = 0.; |
1426 | if (expect_false (block < 0.)) block = 0.; |
1421 | } |
1427 | } |
1422 | |
1428 | |
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|
1429 | ++loop_count; |
1423 | backend_poll (EV_A_ block); |
1430 | backend_poll (EV_A_ block); |
1424 | } |
1431 | } |
1425 | |
1432 | |
1426 | /* update ev_rt_now, do magic */ |
1433 | /* update ev_rt_now, do magic */ |
1427 | time_update (EV_A); |
1434 | time_update (EV_A); |
… | |
… | |
1440 | if (expect_false (checkcnt)) |
1447 | if (expect_false (checkcnt)) |
1441 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1448 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1442 | |
1449 | |
1443 | call_pending (EV_A); |
1450 | call_pending (EV_A); |
1444 | |
1451 | |
1445 | if (expect_false (loop_done)) |
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|
1446 | break; |
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|
1447 | } |
1452 | } |
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|
1453 | while (expect_true (activecnt && !loop_done)); |
1448 | |
1454 | |
1449 | if (loop_done == EVUNLOOP_ONE) |
1455 | if (loop_done == EVUNLOOP_ONE) |
1450 | loop_done = EVUNLOOP_CANCEL; |
1456 | loop_done = EVUNLOOP_CANCEL; |
1451 | } |
1457 | } |
1452 | |
1458 | |