| … | |
… | |
| 886 | ev_backend (EV_P) |
886 | ev_backend (EV_P) |
| 887 | { |
887 | { |
| 888 | return backend; |
888 | return backend; |
| 889 | } |
889 | } |
| 890 | |
890 | |
|
|
891 | unsigned int |
|
|
892 | ev_loop_count (EV_P) |
|
|
893 | { |
|
|
894 | return loop_count; |
|
|
895 | } |
|
|
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 | while (activecnt) |
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 | { |
| … | |
… | |
| 1370 | { |
1376 | { |
| 1371 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1377 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
| 1372 | call_pending (EV_A); |
1378 | call_pending (EV_A); |
| 1373 | } |
1379 | } |
| 1374 | |
1380 | |
|
|
1381 | if (expect_false (!activecnt)) |
|
|
1382 | break; |
|
|
1383 | |
| 1375 | /* we might have forked, so reify kernel state if necessary */ |
1384 | /* we might have forked, so reify kernel state if necessary */ |
| 1376 | if (expect_false (postfork)) |
1385 | if (expect_false (postfork)) |
| 1377 | loop_fork (EV_A); |
1386 | loop_fork (EV_A); |
| 1378 | |
1387 | |
| 1379 | /* update fd-related kernel structures */ |
1388 | /* update fd-related kernel structures */ |
| … | |
… | |
| 1381 | |
1390 | |
| 1382 | /* calculate blocking time */ |
1391 | /* calculate blocking time */ |
| 1383 | { |
1392 | { |
| 1384 | ev_tstamp block; |
1393 | ev_tstamp block; |
| 1385 | |
1394 | |
| 1386 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1395 | if (expect_false (flags & EVLOOP_NONBLOCK || idlecnt || !activecnt)) |
| 1387 | block = 0.; /* do not block at all */ |
1396 | block = 0.; /* do not block at all */ |
| 1388 | else |
1397 | else |
| 1389 | { |
1398 | { |
| 1390 | /* update time to cancel out callback processing overhead */ |
1399 | /* update time to cancel out callback processing overhead */ |
| 1391 | #if EV_USE_MONOTONIC |
1400 | #if EV_USE_MONOTONIC |
| … | |
… | |
| 1415 | #endif |
1424 | #endif |
| 1416 | |
1425 | |
| 1417 | if (expect_false (block < 0.)) block = 0.; |
1426 | if (expect_false (block < 0.)) block = 0.; |
| 1418 | } |
1427 | } |
| 1419 | |
1428 | |
|
|
1429 | ++loop_count; |
| 1420 | backend_poll (EV_A_ block); |
1430 | backend_poll (EV_A_ block); |
| 1421 | } |
1431 | } |
| 1422 | |
1432 | |
| 1423 | /* update ev_rt_now, do magic */ |
1433 | /* update ev_rt_now, do magic */ |
| 1424 | time_update (EV_A); |
1434 | time_update (EV_A); |
| … | |
… | |
| 1437 | if (expect_false (checkcnt)) |
1447 | if (expect_false (checkcnt)) |
| 1438 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1448 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
| 1439 | |
1449 | |
| 1440 | call_pending (EV_A); |
1450 | call_pending (EV_A); |
| 1441 | |
1451 | |
| 1442 | if (expect_false (loop_done)) |
|
|
| 1443 | break; |
|
|
| 1444 | } |
1452 | } |
|
|
1453 | while (expect_true (activecnt && !loop_done)); |
| 1445 | |
1454 | |
| 1446 | if (loop_done == EVUNLOOP_ONE) |
1455 | if (loop_done == EVUNLOOP_ONE) |
| 1447 | loop_done = EVUNLOOP_CANCEL; |
1456 | loop_done = EVUNLOOP_CANCEL; |
| 1448 | } |
1457 | } |
| 1449 | |
1458 | |
