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Comparing libev/ev.c (file contents):
Revision 1.349 by sf-exg, Fri Oct 15 22:59:59 2010 UTC vs.
Revision 1.353 by root, Thu Oct 21 12:32:47 2010 UTC

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
727ev_tstamp 727ev_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
2293void 2296void
2294ev_loop (EV_P_ int flags) 2297ev_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
2443void 2446void
2444ev_unloop (EV_P_ int how) 2447ev_break (EV_P_ int how)
2445{ 2448{
2446 loop_done = how; 2449 loop_done = how;
2447} 2450}
2448 2451
2449void 2452void
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
2607void noinline 2610void noinline
3424 3427
3425#if EV_EMBED_ENABLE 3428#if EV_EMBED_ENABLE
3426void noinline 3429void noinline
3427ev_embed_sweep (EV_P_ ev_embed *w) 3430ev_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
3432static void 3435static void
3433embed_io_cb (EV_P_ ev_io *io, int revents) 3436embed_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
3443static void 3446static void
3444embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3447embed_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
3459static void 3462static 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
3573void 3576void
3574ev_async_start (EV_P_ ev_async *w) 3577ev_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

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