… | |
… | |
448 | # ifdef __cplusplus |
448 | # ifdef __cplusplus |
449 | } |
449 | } |
450 | # endif |
450 | # endif |
451 | #endif |
451 | #endif |
452 | |
452 | |
453 | |
|
|
454 | /**/ |
453 | /**/ |
455 | |
454 | |
456 | #if EV_VERIFY >= 3 |
455 | #if EV_VERIFY >= 3 |
457 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
456 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
458 | #else |
457 | #else |
… | |
… | |
470 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
469 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
471 | |
470 | |
472 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
473 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
474 | |
473 | |
|
|
474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
475 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
476 | |
475 | #if __GNUC__ >= 4 |
477 | #if __GNUC__ >= 4 |
476 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
477 | # define noinline __attribute__ ((noinline)) |
479 | # define noinline __attribute__ ((noinline)) |
478 | #else |
480 | #else |
479 | # define expect(expr,value) (expr) |
481 | # define expect(expr,value) (expr) |
… | |
… | |
715 | # define EV_RELEASE_CB (void)0 |
717 | # define EV_RELEASE_CB (void)0 |
716 | # define EV_ACQUIRE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
717 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
718 | #endif |
720 | #endif |
719 | |
721 | |
720 | #define EVUNLOOP_RECURSE 0x80 |
722 | #define EVBREAK_RECURSE 0x80 |
721 | |
723 | |
722 | /*****************************************************************************/ |
724 | /*****************************************************************************/ |
723 | |
725 | |
724 | #ifndef EV_HAVE_EV_TIME |
726 | #ifndef EV_HAVE_EV_TIME |
725 | ev_tstamp |
727 | ev_tstamp |
… | |
… | |
769 | if (delay > 0.) |
771 | if (delay > 0.) |
770 | { |
772 | { |
771 | #if EV_USE_NANOSLEEP |
773 | #if EV_USE_NANOSLEEP |
772 | struct timespec ts; |
774 | struct timespec ts; |
773 | |
775 | |
774 | ts.tv_sec = (time_t)delay; |
776 | EV_TS_SET (ts, delay); |
775 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
776 | |
|
|
777 | nanosleep (&ts, 0); |
777 | nanosleep (&ts, 0); |
778 | #elif defined(_WIN32) |
778 | #elif defined(_WIN32) |
779 | Sleep ((unsigned long)(delay * 1e3)); |
779 | Sleep ((unsigned long)(delay * 1e3)); |
780 | #else |
780 | #else |
781 | struct timeval tv; |
781 | struct timeval tv; |
782 | |
782 | |
783 | tv.tv_sec = (time_t)delay; |
|
|
784 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
785 | |
|
|
786 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
787 | /* something not guaranteed by newer posix versions, but guaranteed */ |
784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
788 | /* by older ones */ |
785 | /* by older ones */ |
|
|
786 | EV_TV_SET (tv, delay); |
789 | select (0, 0, 0, 0, &tv); |
787 | select (0, 0, 0, 0, &tv); |
790 | #endif |
788 | #endif |
791 | } |
789 | } |
792 | } |
790 | } |
793 | |
791 | |
… | |
… | |
945 | { |
943 | { |
946 | int fd = fdchanges [i]; |
944 | int fd = fdchanges [i]; |
947 | ANFD *anfd = anfds + fd; |
945 | ANFD *anfd = anfds + fd; |
948 | ev_io *w; |
946 | ev_io *w; |
949 | |
947 | |
950 | unsigned char events = 0; |
948 | unsigned char o_events = anfd->events; |
|
|
949 | unsigned char o_reify = anfd->reify; |
951 | |
950 | |
952 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
951 | anfd->reify = 0; |
953 | events |= (unsigned char)w->events; |
|
|
954 | |
952 | |
955 | #if EV_SELECT_IS_WINSOCKET |
953 | #if EV_SELECT_IS_WINSOCKET |
956 | if (events) |
954 | if (o_reify & EV__IOFDSET) |
957 | { |
955 | { |
958 | unsigned long arg; |
956 | unsigned long arg; |
959 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
960 | 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)); |
961 | } |
959 | } |
962 | #endif |
960 | #endif |
963 | |
961 | |
|
|
962 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
964 | { |
963 | { |
965 | unsigned char o_events = anfd->events; |
|
|
966 | unsigned char o_reify = anfd->reify; |
|
|
967 | |
|
|
968 | anfd->reify = 0; |
|
|
969 | anfd->events = events; |
964 | anfd->events = 0; |
970 | |
965 | |
971 | 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) |
972 | backend_modify (EV_A_ fd, o_events, events); |
974 | backend_modify (EV_A_ fd, o_events, anfd->events); |
973 | } |
|
|
974 | } |
975 | } |
975 | |
976 | |
976 | fdchangecnt = 0; |
977 | fdchangecnt = 0; |
977 | } |
978 | } |
978 | |
979 | |
… | |
… | |
1281 | uint64_t counter = 1; |
1282 | uint64_t counter = 1; |
1282 | write (evfd, &counter, sizeof (uint64_t)); |
1283 | write (evfd, &counter, sizeof (uint64_t)); |
1283 | } |
1284 | } |
1284 | else |
1285 | else |
1285 | #endif |
1286 | #endif |
|
|
1287 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1288 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1289 | /* so when you think this write should be a send instead, please find out */ |
|
|
1290 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1291 | /* tell me. thank you. */ |
1286 | write (evpipe [1], &dummy, 1); |
1292 | write (evpipe [1], &dummy, 1); |
1287 | |
1293 | |
1288 | errno = old_errno; |
1294 | errno = old_errno; |
1289 | } |
1295 | } |
1290 | } |
1296 | } |
… | |
… | |
1304 | } |
1310 | } |
1305 | else |
1311 | else |
1306 | #endif |
1312 | #endif |
1307 | { |
1313 | { |
1308 | char dummy; |
1314 | char dummy; |
|
|
1315 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1309 | read (evpipe [0], &dummy, 1); |
1316 | read (evpipe [0], &dummy, 1); |
1310 | } |
1317 | } |
1311 | |
1318 | |
1312 | if (sig_pending) |
1319 | if (sig_pending) |
1313 | { |
1320 | { |
… | |
… | |
2285 | mn_now = ev_rt_now; |
2292 | mn_now = ev_rt_now; |
2286 | } |
2293 | } |
2287 | } |
2294 | } |
2288 | |
2295 | |
2289 | void |
2296 | void |
2290 | ev_loop (EV_P_ int flags) |
2297 | ev_run (EV_P_ int flags) |
2291 | { |
2298 | { |
2292 | #if EV_FEATURE_API |
2299 | #if EV_FEATURE_API |
2293 | ++loop_depth; |
2300 | ++loop_depth; |
2294 | #endif |
2301 | #endif |
2295 | |
2302 | |
2296 | 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)); |
2297 | |
2304 | |
2298 | loop_done = EVUNLOOP_CANCEL; |
2305 | loop_done = EVBREAK_CANCEL; |
2299 | |
2306 | |
2300 | 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 */ |
2301 | |
2308 | |
2302 | do |
2309 | do |
2303 | { |
2310 | { |
… | |
… | |
2346 | /* calculate blocking time */ |
2353 | /* calculate blocking time */ |
2347 | { |
2354 | { |
2348 | ev_tstamp waittime = 0.; |
2355 | ev_tstamp waittime = 0.; |
2349 | ev_tstamp sleeptime = 0.; |
2356 | ev_tstamp sleeptime = 0.; |
2350 | |
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 | |
2351 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2364 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2352 | { |
2365 | { |
2353 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2354 | ev_tstamp prev_mn_now = mn_now; |
|
|
2355 | |
|
|
2356 | /* update time to cancel out callback processing overhead */ |
|
|
2357 | time_update (EV_A_ 1e100); |
|
|
2358 | |
|
|
2359 | waittime = MAX_BLOCKTIME; |
2366 | waittime = MAX_BLOCKTIME; |
2360 | |
2367 | |
2361 | if (timercnt) |
2368 | if (timercnt) |
2362 | { |
2369 | { |
2363 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2370 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2393 | } |
2400 | } |
2394 | |
2401 | |
2395 | #if EV_FEATURE_API |
2402 | #if EV_FEATURE_API |
2396 | ++loop_count; |
2403 | ++loop_count; |
2397 | #endif |
2404 | #endif |
2398 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2405 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2399 | backend_poll (EV_A_ waittime); |
2406 | backend_poll (EV_A_ waittime); |
2400 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2407 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2401 | |
2408 | |
2402 | /* update ev_rt_now, do magic */ |
2409 | /* update ev_rt_now, do magic */ |
2403 | time_update (EV_A_ waittime + sleeptime); |
2410 | time_update (EV_A_ waittime + sleeptime); |
2404 | } |
2411 | } |
2405 | |
2412 | |
… | |
… | |
2423 | EV_INVOKE_PENDING; |
2430 | EV_INVOKE_PENDING; |
2424 | } |
2431 | } |
2425 | while (expect_true ( |
2432 | while (expect_true ( |
2426 | activecnt |
2433 | activecnt |
2427 | && !loop_done |
2434 | && !loop_done |
2428 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2435 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2429 | )); |
2436 | )); |
2430 | |
2437 | |
2431 | if (loop_done == EVUNLOOP_ONE) |
2438 | if (loop_done == EVBREAK_ONE) |
2432 | loop_done = EVUNLOOP_CANCEL; |
2439 | loop_done = EVBREAK_CANCEL; |
2433 | |
2440 | |
2434 | #if EV_FEATURE_API |
2441 | #if EV_FEATURE_API |
2435 | --loop_depth; |
2442 | --loop_depth; |
2436 | #endif |
2443 | #endif |
2437 | } |
2444 | } |
2438 | |
2445 | |
2439 | void |
2446 | void |
2440 | ev_unloop (EV_P_ int how) |
2447 | ev_break (EV_P_ int how) |
2441 | { |
2448 | { |
2442 | loop_done = how; |
2449 | loop_done = how; |
2443 | } |
2450 | } |
2444 | |
2451 | |
2445 | void |
2452 | void |
… | |
… | |
2593 | EV_FREQUENT_CHECK; |
2600 | EV_FREQUENT_CHECK; |
2594 | |
2601 | |
2595 | wlist_del (&anfds[w->fd].head, (WL)w); |
2602 | wlist_del (&anfds[w->fd].head, (WL)w); |
2596 | ev_stop (EV_A_ (W)w); |
2603 | ev_stop (EV_A_ (W)w); |
2597 | |
2604 | |
2598 | fd_change (EV_A_ w->fd, 1); |
2605 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2599 | |
2606 | |
2600 | EV_FREQUENT_CHECK; |
2607 | EV_FREQUENT_CHECK; |
2601 | } |
2608 | } |
2602 | |
2609 | |
2603 | void noinline |
2610 | void noinline |
… | |
… | |
3420 | |
3427 | |
3421 | #if EV_EMBED_ENABLE |
3428 | #if EV_EMBED_ENABLE |
3422 | void noinline |
3429 | void noinline |
3423 | ev_embed_sweep (EV_P_ ev_embed *w) |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
3424 | { |
3431 | { |
3425 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3432 | ev_run (w->other, EVRUN_NOWAIT); |
3426 | } |
3433 | } |
3427 | |
3434 | |
3428 | static void |
3435 | static void |
3429 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3436 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3430 | { |
3437 | { |
3431 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3438 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3432 | |
3439 | |
3433 | if (ev_cb (w)) |
3440 | if (ev_cb (w)) |
3434 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3441 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3435 | else |
3442 | else |
3436 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3443 | ev_run (w->other, EVRUN_NOWAIT); |
3437 | } |
3444 | } |
3438 | |
3445 | |
3439 | static void |
3446 | static void |
3440 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3447 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3441 | { |
3448 | { |
… | |
… | |
3445 | EV_P = w->other; |
3452 | EV_P = w->other; |
3446 | |
3453 | |
3447 | while (fdchangecnt) |
3454 | while (fdchangecnt) |
3448 | { |
3455 | { |
3449 | fd_reify (EV_A); |
3456 | fd_reify (EV_A); |
3450 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3457 | ev_run (EV_A_ EVRUN_NOWAIT); |
3451 | } |
3458 | } |
3452 | } |
3459 | } |
3453 | } |
3460 | } |
3454 | |
3461 | |
3455 | static void |
3462 | static void |
… | |
… | |
3461 | |
3468 | |
3462 | { |
3469 | { |
3463 | EV_P = w->other; |
3470 | EV_P = w->other; |
3464 | |
3471 | |
3465 | ev_loop_fork (EV_A); |
3472 | ev_loop_fork (EV_A); |
3466 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3473 | ev_run (EV_A_ EVRUN_NOWAIT); |
3467 | } |
3474 | } |
3468 | |
3475 | |
3469 | ev_embed_start (EV_A_ w); |
3476 | ev_embed_start (EV_A_ w); |
3470 | } |
3477 | } |
3471 | |
3478 | |
… | |
… | |
3569 | void |
3576 | void |
3570 | ev_async_start (EV_P_ ev_async *w) |
3577 | ev_async_start (EV_P_ ev_async *w) |
3571 | { |
3578 | { |
3572 | if (expect_false (ev_is_active (w))) |
3579 | if (expect_false (ev_is_active (w))) |
3573 | return; |
3580 | return; |
|
|
3581 | |
|
|
3582 | w->sent = 0; |
3574 | |
3583 | |
3575 | evpipe_init (EV_A); |
3584 | evpipe_init (EV_A); |
3576 | |
3585 | |
3577 | EV_FREQUENT_CHECK; |
3586 | EV_FREQUENT_CHECK; |
3578 | |
3587 | |