… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
… | |
… | |
182 | # include EV_H |
178 | # include EV_H |
183 | #else |
179 | #else |
184 | # include "ev.h" |
180 | # include "ev.h" |
185 | #endif |
181 | #endif |
186 | |
182 | |
|
|
183 | EV_CPP(extern "C" {) |
|
|
184 | |
187 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
188 | # include <sys/time.h> |
186 | # include <sys/time.h> |
189 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
190 | # include <unistd.h> |
188 | # include <unistd.h> |
191 | #else |
189 | #else |
… | |
… | |
411 | # define EFD_CLOEXEC O_CLOEXEC |
409 | # define EFD_CLOEXEC O_CLOEXEC |
412 | # else |
410 | # else |
413 | # define EFD_CLOEXEC 02000000 |
411 | # define EFD_CLOEXEC 02000000 |
414 | # endif |
412 | # endif |
415 | # endif |
413 | # endif |
416 | # ifdef __cplusplus |
|
|
417 | extern "C" { |
|
|
418 | # endif |
|
|
419 | int (eventfd) (unsigned int initval, int flags); |
414 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
420 | # ifdef __cplusplus |
|
|
421 | } |
|
|
422 | # endif |
|
|
423 | #endif |
415 | #endif |
424 | |
416 | |
425 | #if EV_USE_SIGNALFD |
417 | #if EV_USE_SIGNALFD |
426 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | # include <stdint.h> |
419 | # include <stdint.h> |
… | |
… | |
433 | # define SFD_CLOEXEC O_CLOEXEC |
425 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # else |
426 | # else |
435 | # define SFD_CLOEXEC 02000000 |
427 | # define SFD_CLOEXEC 02000000 |
436 | # endif |
428 | # endif |
437 | # endif |
429 | # endif |
438 | # ifdef __cplusplus |
|
|
439 | extern "C" { |
|
|
440 | # endif |
|
|
441 | int signalfd (int fd, const sigset_t *mask, int flags); |
430 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
442 | |
431 | |
443 | struct signalfd_siginfo |
432 | struct signalfd_siginfo |
444 | { |
433 | { |
445 | uint32_t ssi_signo; |
434 | uint32_t ssi_signo; |
446 | char pad[128 - sizeof (uint32_t)]; |
435 | char pad[128 - sizeof (uint32_t)]; |
447 | }; |
436 | }; |
448 | # ifdef __cplusplus |
|
|
449 | } |
|
|
450 | # endif |
|
|
451 | #endif |
437 | #endif |
452 | |
438 | |
453 | /**/ |
439 | /**/ |
454 | |
440 | |
455 | #if EV_VERIFY >= 3 |
441 | #if EV_VERIFY >= 3 |
… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
703 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
704 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
705 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
706 | #endif |
721 | |
707 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
708 | #define EVBREAK_RECURSE 0x80 |
723 | |
709 | |
724 | /*****************************************************************************/ |
710 | /*****************************************************************************/ |
725 | |
711 | |
726 | #ifndef EV_HAVE_EV_TIME |
712 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
713 | ev_tstamp |
… | |
… | |
943 | { |
929 | { |
944 | int fd = fdchanges [i]; |
930 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
931 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
932 | ev_io *w; |
947 | |
933 | |
948 | unsigned char events = 0; |
934 | unsigned char o_events = anfd->events; |
|
|
935 | unsigned char o_reify = anfd->reify; |
949 | |
936 | |
950 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
937 | anfd->reify = 0; |
951 | events |= (unsigned char)w->events; |
|
|
952 | |
938 | |
953 | #if EV_SELECT_IS_WINSOCKET |
939 | #if EV_SELECT_IS_WINSOCKET |
954 | if (events) |
940 | if (o_reify & EV__IOFDSET) |
955 | { |
941 | { |
956 | unsigned long arg; |
942 | unsigned long arg; |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
943 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
944 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
959 | } |
945 | } |
960 | #endif |
946 | #endif |
961 | |
947 | |
|
|
948 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
962 | { |
949 | { |
963 | unsigned char o_events = anfd->events; |
|
|
964 | unsigned char o_reify = anfd->reify; |
|
|
965 | |
|
|
966 | anfd->reify = 0; |
|
|
967 | anfd->events = events; |
950 | anfd->events = 0; |
968 | |
951 | |
969 | if (o_events != events || o_reify & EV__IOFDSET) |
952 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
953 | anfd->events |= (unsigned char)w->events; |
|
|
954 | |
|
|
955 | if (o_events != anfd->events) |
|
|
956 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
957 | } |
|
|
958 | |
|
|
959 | if (o_reify & EV__IOFDSET) |
970 | backend_modify (EV_A_ fd, o_events, events); |
960 | backend_modify (EV_A_ fd, o_events, anfd->events); |
971 | } |
|
|
972 | } |
961 | } |
973 | |
962 | |
974 | fdchangecnt = 0; |
963 | fdchangecnt = 0; |
975 | } |
964 | } |
976 | |
965 | |
… | |
… | |
2289 | mn_now = ev_rt_now; |
2278 | mn_now = ev_rt_now; |
2290 | } |
2279 | } |
2291 | } |
2280 | } |
2292 | |
2281 | |
2293 | void |
2282 | void |
2294 | ev_loop (EV_P_ int flags) |
2283 | ev_run (EV_P_ int flags) |
2295 | { |
2284 | { |
2296 | #if EV_FEATURE_API |
2285 | #if EV_FEATURE_API |
2297 | ++loop_depth; |
2286 | ++loop_depth; |
2298 | #endif |
2287 | #endif |
2299 | |
2288 | |
2300 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2289 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2301 | |
2290 | |
2302 | loop_done = EVUNLOOP_CANCEL; |
2291 | loop_done = EVBREAK_CANCEL; |
2303 | |
2292 | |
2304 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2293 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2305 | |
2294 | |
2306 | do |
2295 | do |
2307 | { |
2296 | { |
… | |
… | |
2350 | /* calculate blocking time */ |
2339 | /* calculate blocking time */ |
2351 | { |
2340 | { |
2352 | ev_tstamp waittime = 0.; |
2341 | ev_tstamp waittime = 0.; |
2353 | ev_tstamp sleeptime = 0.; |
2342 | ev_tstamp sleeptime = 0.; |
2354 | |
2343 | |
|
|
2344 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2345 | ev_tstamp prev_mn_now = mn_now; |
|
|
2346 | |
|
|
2347 | /* update time to cancel out callback processing overhead */ |
|
|
2348 | time_update (EV_A_ 1e100); |
|
|
2349 | |
2355 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2350 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2356 | { |
2351 | { |
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; |
2352 | waittime = MAX_BLOCKTIME; |
2364 | |
2353 | |
2365 | if (timercnt) |
2354 | if (timercnt) |
2366 | { |
2355 | { |
2367 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2356 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2397 | } |
2386 | } |
2398 | |
2387 | |
2399 | #if EV_FEATURE_API |
2388 | #if EV_FEATURE_API |
2400 | ++loop_count; |
2389 | ++loop_count; |
2401 | #endif |
2390 | #endif |
2402 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2391 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2403 | backend_poll (EV_A_ waittime); |
2392 | backend_poll (EV_A_ waittime); |
2404 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2393 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2405 | |
2394 | |
2406 | /* update ev_rt_now, do magic */ |
2395 | /* update ev_rt_now, do magic */ |
2407 | time_update (EV_A_ waittime + sleeptime); |
2396 | time_update (EV_A_ waittime + sleeptime); |
2408 | } |
2397 | } |
2409 | |
2398 | |
… | |
… | |
2427 | EV_INVOKE_PENDING; |
2416 | EV_INVOKE_PENDING; |
2428 | } |
2417 | } |
2429 | while (expect_true ( |
2418 | while (expect_true ( |
2430 | activecnt |
2419 | activecnt |
2431 | && !loop_done |
2420 | && !loop_done |
2432 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2421 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2433 | )); |
2422 | )); |
2434 | |
2423 | |
2435 | if (loop_done == EVUNLOOP_ONE) |
2424 | if (loop_done == EVBREAK_ONE) |
2436 | loop_done = EVUNLOOP_CANCEL; |
2425 | loop_done = EVBREAK_CANCEL; |
2437 | |
2426 | |
2438 | #if EV_FEATURE_API |
2427 | #if EV_FEATURE_API |
2439 | --loop_depth; |
2428 | --loop_depth; |
2440 | #endif |
2429 | #endif |
2441 | } |
2430 | } |
2442 | |
2431 | |
2443 | void |
2432 | void |
2444 | ev_unloop (EV_P_ int how) |
2433 | ev_break (EV_P_ int how) |
2445 | { |
2434 | { |
2446 | loop_done = how; |
2435 | loop_done = how; |
2447 | } |
2436 | } |
2448 | |
2437 | |
2449 | void |
2438 | void |
… | |
… | |
2597 | EV_FREQUENT_CHECK; |
2586 | EV_FREQUENT_CHECK; |
2598 | |
2587 | |
2599 | wlist_del (&anfds[w->fd].head, (WL)w); |
2588 | wlist_del (&anfds[w->fd].head, (WL)w); |
2600 | ev_stop (EV_A_ (W)w); |
2589 | ev_stop (EV_A_ (W)w); |
2601 | |
2590 | |
2602 | fd_change (EV_A_ w->fd, 1); |
2591 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2603 | |
2592 | |
2604 | EV_FREQUENT_CHECK; |
2593 | EV_FREQUENT_CHECK; |
2605 | } |
2594 | } |
2606 | |
2595 | |
2607 | void noinline |
2596 | void noinline |
… | |
… | |
3424 | |
3413 | |
3425 | #if EV_EMBED_ENABLE |
3414 | #if EV_EMBED_ENABLE |
3426 | void noinline |
3415 | void noinline |
3427 | ev_embed_sweep (EV_P_ ev_embed *w) |
3416 | ev_embed_sweep (EV_P_ ev_embed *w) |
3428 | { |
3417 | { |
3429 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3418 | ev_run (w->other, EVRUN_NOWAIT); |
3430 | } |
3419 | } |
3431 | |
3420 | |
3432 | static void |
3421 | static void |
3433 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3422 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3434 | { |
3423 | { |
3435 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3424 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3436 | |
3425 | |
3437 | if (ev_cb (w)) |
3426 | if (ev_cb (w)) |
3438 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3427 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3439 | else |
3428 | else |
3440 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3429 | ev_run (w->other, EVRUN_NOWAIT); |
3441 | } |
3430 | } |
3442 | |
3431 | |
3443 | static void |
3432 | static void |
3444 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3433 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3445 | { |
3434 | { |
… | |
… | |
3449 | EV_P = w->other; |
3438 | EV_P = w->other; |
3450 | |
3439 | |
3451 | while (fdchangecnt) |
3440 | while (fdchangecnt) |
3452 | { |
3441 | { |
3453 | fd_reify (EV_A); |
3442 | fd_reify (EV_A); |
3454 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3443 | ev_run (EV_A_ EVRUN_NOWAIT); |
3455 | } |
3444 | } |
3456 | } |
3445 | } |
3457 | } |
3446 | } |
3458 | |
3447 | |
3459 | static void |
3448 | static void |
… | |
… | |
3465 | |
3454 | |
3466 | { |
3455 | { |
3467 | EV_P = w->other; |
3456 | EV_P = w->other; |
3468 | |
3457 | |
3469 | ev_loop_fork (EV_A); |
3458 | ev_loop_fork (EV_A); |
3470 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3459 | ev_run (EV_A_ EVRUN_NOWAIT); |
3471 | } |
3460 | } |
3472 | |
3461 | |
3473 | ev_embed_start (EV_A_ w); |
3462 | ev_embed_start (EV_A_ w); |
3474 | } |
3463 | } |
3475 | |
3464 | |
… | |
… | |
3573 | void |
3562 | void |
3574 | ev_async_start (EV_P_ ev_async *w) |
3563 | ev_async_start (EV_P_ ev_async *w) |
3575 | { |
3564 | { |
3576 | if (expect_false (ev_is_active (w))) |
3565 | if (expect_false (ev_is_active (w))) |
3577 | return; |
3566 | return; |
|
|
3567 | |
|
|
3568 | w->sent = 0; |
3578 | |
3569 | |
3579 | evpipe_init (EV_A); |
3570 | evpipe_init (EV_A); |
3580 | |
3571 | |
3581 | EV_FREQUENT_CHECK; |
3572 | EV_FREQUENT_CHECK; |
3582 | |
3573 | |
… | |
… | |
3802 | |
3793 | |
3803 | #if EV_MULTIPLICITY |
3794 | #if EV_MULTIPLICITY |
3804 | #include "ev_wrap.h" |
3795 | #include "ev_wrap.h" |
3805 | #endif |
3796 | #endif |
3806 | |
3797 | |
3807 | #ifdef __cplusplus |
3798 | EV_CPP(}) |
3808 | } |
|
|
3809 | #endif |
|
|
3810 | |
3799 | |