… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
717 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
720 | #endif |
721 | |
721 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
722 | #define EVBREAK_RECURSE 0x80 |
723 | |
723 | |
724 | /*****************************************************************************/ |
724 | /*****************************************************************************/ |
725 | |
725 | |
726 | #ifndef EV_HAVE_EV_TIME |
726 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
727 | ev_tstamp |
… | |
… | |
943 | { |
943 | { |
944 | int fd = fdchanges [i]; |
944 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
945 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
946 | ev_io *w; |
947 | |
947 | |
948 | unsigned char events = 0; |
948 | unsigned char o_events = anfd->events; |
|
|
949 | unsigned char o_reify = anfd->reify; |
949 | |
950 | |
950 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
951 | anfd->reify = 0; |
951 | events |= (unsigned char)w->events; |
|
|
952 | |
952 | |
953 | #if EV_SELECT_IS_WINSOCKET |
953 | #if EV_SELECT_IS_WINSOCKET |
954 | if (events) |
954 | if (o_reify & EV__IOFDSET) |
955 | { |
955 | { |
956 | unsigned long arg; |
956 | unsigned long arg; |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
959 | } |
959 | } |
960 | #endif |
960 | #endif |
961 | |
961 | |
|
|
962 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
962 | { |
963 | { |
963 | unsigned char o_events = anfd->events; |
|
|
964 | unsigned char o_reify = anfd->reify; |
|
|
965 | |
|
|
966 | anfd->reify = 0; |
|
|
967 | anfd->events = events; |
964 | anfd->events = 0; |
968 | |
965 | |
969 | if (o_events != events || o_reify & EV__IOFDSET) |
966 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
967 | anfd->events |= (unsigned char)w->events; |
|
|
968 | |
|
|
969 | if (o_events != anfd->events) |
|
|
970 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
971 | } |
|
|
972 | |
|
|
973 | if (o_reify & EV__IOFDSET) |
970 | backend_modify (EV_A_ fd, o_events, events); |
974 | backend_modify (EV_A_ fd, o_events, anfd->events); |
971 | } |
|
|
972 | } |
975 | } |
973 | |
976 | |
974 | fdchangecnt = 0; |
977 | fdchangecnt = 0; |
975 | } |
978 | } |
976 | |
979 | |
… | |
… | |
2289 | mn_now = ev_rt_now; |
2292 | mn_now = ev_rt_now; |
2290 | } |
2293 | } |
2291 | } |
2294 | } |
2292 | |
2295 | |
2293 | void |
2296 | void |
2294 | ev_loop (EV_P_ int flags) |
2297 | ev_run (EV_P_ int flags) |
2295 | { |
2298 | { |
2296 | #if EV_FEATURE_API |
2299 | #if EV_FEATURE_API |
2297 | ++loop_depth; |
2300 | ++loop_depth; |
2298 | #endif |
2301 | #endif |
2299 | |
2302 | |
2300 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2303 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2301 | |
2304 | |
2302 | loop_done = EVUNLOOP_CANCEL; |
2305 | loop_done = EVBREAK_CANCEL; |
2303 | |
2306 | |
2304 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2307 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2305 | |
2308 | |
2306 | do |
2309 | do |
2307 | { |
2310 | { |
… | |
… | |
2350 | /* calculate blocking time */ |
2353 | /* calculate blocking time */ |
2351 | { |
2354 | { |
2352 | ev_tstamp waittime = 0.; |
2355 | ev_tstamp waittime = 0.; |
2353 | ev_tstamp sleeptime = 0.; |
2356 | ev_tstamp sleeptime = 0.; |
2354 | |
2357 | |
|
|
2358 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2359 | ev_tstamp prev_mn_now = mn_now; |
|
|
2360 | |
|
|
2361 | /* update time to cancel out callback processing overhead */ |
|
|
2362 | time_update (EV_A_ 1e100); |
|
|
2363 | |
2355 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2364 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2356 | { |
2365 | { |
2357 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2358 | ev_tstamp prev_mn_now = mn_now; |
|
|
2359 | |
|
|
2360 | /* update time to cancel out callback processing overhead */ |
|
|
2361 | time_update (EV_A_ 1e100); |
|
|
2362 | |
|
|
2363 | waittime = MAX_BLOCKTIME; |
2366 | waittime = MAX_BLOCKTIME; |
2364 | |
2367 | |
2365 | if (timercnt) |
2368 | if (timercnt) |
2366 | { |
2369 | { |
2367 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2370 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2397 | } |
2400 | } |
2398 | |
2401 | |
2399 | #if EV_FEATURE_API |
2402 | #if EV_FEATURE_API |
2400 | ++loop_count; |
2403 | ++loop_count; |
2401 | #endif |
2404 | #endif |
2402 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2405 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2403 | backend_poll (EV_A_ waittime); |
2406 | backend_poll (EV_A_ waittime); |
2404 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2407 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2405 | |
2408 | |
2406 | /* update ev_rt_now, do magic */ |
2409 | /* update ev_rt_now, do magic */ |
2407 | time_update (EV_A_ waittime + sleeptime); |
2410 | time_update (EV_A_ waittime + sleeptime); |
2408 | } |
2411 | } |
2409 | |
2412 | |
… | |
… | |
2427 | EV_INVOKE_PENDING; |
2430 | EV_INVOKE_PENDING; |
2428 | } |
2431 | } |
2429 | while (expect_true ( |
2432 | while (expect_true ( |
2430 | activecnt |
2433 | activecnt |
2431 | && !loop_done |
2434 | && !loop_done |
2432 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2435 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2433 | )); |
2436 | )); |
2434 | |
2437 | |
2435 | if (loop_done == EVUNLOOP_ONE) |
2438 | if (loop_done == EVBREAK_ONE) |
2436 | loop_done = EVUNLOOP_CANCEL; |
2439 | loop_done = EVBREAK_CANCEL; |
2437 | |
2440 | |
2438 | #if EV_FEATURE_API |
2441 | #if EV_FEATURE_API |
2439 | --loop_depth; |
2442 | --loop_depth; |
2440 | #endif |
2443 | #endif |
2441 | } |
2444 | } |
2442 | |
2445 | |
2443 | void |
2446 | void |
2444 | ev_unloop (EV_P_ int how) |
2447 | ev_break (EV_P_ int how) |
2445 | { |
2448 | { |
2446 | loop_done = how; |
2449 | loop_done = how; |
2447 | } |
2450 | } |
2448 | |
2451 | |
2449 | void |
2452 | void |
… | |
… | |
2597 | EV_FREQUENT_CHECK; |
2600 | EV_FREQUENT_CHECK; |
2598 | |
2601 | |
2599 | wlist_del (&anfds[w->fd].head, (WL)w); |
2602 | wlist_del (&anfds[w->fd].head, (WL)w); |
2600 | ev_stop (EV_A_ (W)w); |
2603 | ev_stop (EV_A_ (W)w); |
2601 | |
2604 | |
2602 | fd_change (EV_A_ w->fd, 1); |
2605 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2603 | |
2606 | |
2604 | EV_FREQUENT_CHECK; |
2607 | EV_FREQUENT_CHECK; |
2605 | } |
2608 | } |
2606 | |
2609 | |
2607 | void noinline |
2610 | void noinline |
… | |
… | |
3424 | |
3427 | |
3425 | #if EV_EMBED_ENABLE |
3428 | #if EV_EMBED_ENABLE |
3426 | void noinline |
3429 | void noinline |
3427 | ev_embed_sweep (EV_P_ ev_embed *w) |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
3428 | { |
3431 | { |
3429 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3432 | ev_run (w->other, EVRUN_NOWAIT); |
3430 | } |
3433 | } |
3431 | |
3434 | |
3432 | static void |
3435 | static void |
3433 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3436 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3434 | { |
3437 | { |
3435 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3438 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3436 | |
3439 | |
3437 | if (ev_cb (w)) |
3440 | if (ev_cb (w)) |
3438 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3441 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3439 | else |
3442 | else |
3440 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3443 | ev_run (w->other, EVRUN_NOWAIT); |
3441 | } |
3444 | } |
3442 | |
3445 | |
3443 | static void |
3446 | static void |
3444 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3447 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3445 | { |
3448 | { |
… | |
… | |
3449 | EV_P = w->other; |
3452 | EV_P = w->other; |
3450 | |
3453 | |
3451 | while (fdchangecnt) |
3454 | while (fdchangecnt) |
3452 | { |
3455 | { |
3453 | fd_reify (EV_A); |
3456 | fd_reify (EV_A); |
3454 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3457 | ev_run (EV_A_ EVRUN_NOWAIT); |
3455 | } |
3458 | } |
3456 | } |
3459 | } |
3457 | } |
3460 | } |
3458 | |
3461 | |
3459 | static void |
3462 | static void |
… | |
… | |
3465 | |
3468 | |
3466 | { |
3469 | { |
3467 | EV_P = w->other; |
3470 | EV_P = w->other; |
3468 | |
3471 | |
3469 | ev_loop_fork (EV_A); |
3472 | ev_loop_fork (EV_A); |
3470 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3473 | ev_run (EV_A_ EVRUN_NOWAIT); |
3471 | } |
3474 | } |
3472 | |
3475 | |
3473 | ev_embed_start (EV_A_ w); |
3476 | ev_embed_start (EV_A_ w); |
3474 | } |
3477 | } |
3475 | |
3478 | |
… | |
… | |
3573 | void |
3576 | void |
3574 | ev_async_start (EV_P_ ev_async *w) |
3577 | ev_async_start (EV_P_ ev_async *w) |
3575 | { |
3578 | { |
3576 | if (expect_false (ev_is_active (w))) |
3579 | if (expect_false (ev_is_active (w))) |
3577 | return; |
3580 | return; |
|
|
3581 | |
|
|
3582 | w->sent = 0; |
3578 | |
3583 | |
3579 | evpipe_init (EV_A); |
3584 | evpipe_init (EV_A); |
3580 | |
3585 | |
3581 | EV_FREQUENT_CHECK; |
3586 | EV_FREQUENT_CHECK; |
3582 | |
3587 | |