… | |
… | |
57 | # endif |
57 | # endif |
58 | # ifndef EV_USE_MONOTONIC |
58 | # ifndef EV_USE_MONOTONIC |
59 | # define EV_USE_MONOTONIC 1 |
59 | # define EV_USE_MONOTONIC 1 |
60 | # endif |
60 | # endif |
61 | # endif |
61 | # endif |
|
|
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
62 | # endif |
64 | # endif |
63 | |
65 | |
64 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
65 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
66 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
67 | # endif |
69 | # endif |
68 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
69 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
70 | # endif |
72 | # endif |
71 | # else |
73 | # else |
72 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
73 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
74 | # endif |
76 | # endif |
… | |
… | |
193 | # define EV_USE_MONOTONIC 0 |
195 | # define EV_USE_MONOTONIC 0 |
194 | # endif |
196 | # endif |
195 | #endif |
197 | #endif |
196 | |
198 | |
197 | #ifndef EV_USE_REALTIME |
199 | #ifndef EV_USE_REALTIME |
198 | # define EV_USE_REALTIME 0 |
200 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
199 | #endif |
201 | #endif |
200 | |
202 | |
201 | #ifndef EV_USE_NANOSLEEP |
203 | #ifndef EV_USE_NANOSLEEP |
202 | # if _POSIX_C_SOURCE >= 199309L |
204 | # if _POSIX_C_SOURCE >= 199309L |
203 | # define EV_USE_NANOSLEEP 1 |
205 | # define EV_USE_NANOSLEEP 1 |
… | |
… | |
280 | # define EV_USE_4HEAP !EV_MINIMAL |
282 | # define EV_USE_4HEAP !EV_MINIMAL |
281 | #endif |
283 | #endif |
282 | |
284 | |
283 | #ifndef EV_HEAP_CACHE_AT |
285 | #ifndef EV_HEAP_CACHE_AT |
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
286 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
287 | #endif |
|
|
288 | |
|
|
289 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
290 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
291 | #if EV_USE_CLOCK_SYSCALL |
|
|
292 | # include <syscall.h> |
|
|
293 | # ifdef SYS_clock_gettime |
|
|
294 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
295 | # undef EV_USE_MONOTONIC |
|
|
296 | # define EV_USE_MONOTONIC 1 |
|
|
297 | # else |
|
|
298 | # undef EV_USE_CLOCK_SYSCALL |
|
|
299 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
300 | # endif |
285 | #endif |
301 | #endif |
286 | |
302 | |
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
303 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
288 | |
304 | |
289 | #ifndef CLOCK_MONOTONIC |
305 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
320 | |
336 | |
321 | #if EV_SELECT_IS_WINSOCKET |
337 | #if EV_SELECT_IS_WINSOCKET |
322 | # include <winsock.h> |
338 | # include <winsock.h> |
323 | #endif |
339 | #endif |
324 | |
340 | |
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
|
|
332 | #endif |
|
|
333 | |
|
|
334 | #if EV_USE_EVENTFD |
341 | #if EV_USE_EVENTFD |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
342 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
336 | # include <stdint.h> |
343 | # include <stdint.h> |
337 | # ifdef __cplusplus |
344 | # ifdef __cplusplus |
338 | extern "C" { |
345 | extern "C" { |
… | |
… | |
384 | # define inline_speed static noinline |
391 | # define inline_speed static noinline |
385 | #else |
392 | #else |
386 | # define inline_speed static inline |
393 | # define inline_speed static inline |
387 | #endif |
394 | #endif |
388 | |
395 | |
389 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
397 | |
|
|
398 | #if EV_MINPRI == EV_MAXPRI |
|
|
399 | # define ABSPRI(w) (((W)w), 0) |
|
|
400 | #else |
390 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
401 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
402 | #endif |
391 | |
403 | |
392 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
404 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
393 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
405 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
394 | |
406 | |
395 | typedef ev_watcher *W; |
407 | typedef ev_watcher *W; |
… | |
… | |
397 | typedef ev_watcher_time *WT; |
409 | typedef ev_watcher_time *WT; |
398 | |
410 | |
399 | #define ev_active(w) ((W)(w))->active |
411 | #define ev_active(w) ((W)(w))->active |
400 | #define ev_at(w) ((WT)(w))->at |
412 | #define ev_at(w) ((WT)(w))->at |
401 | |
413 | |
402 | #if EV_USE_MONOTONIC |
414 | #if EV_USE_REALTIME |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
415 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
416 | /* giving it a reasonably high chance of working on typical architetcures */ |
|
|
417 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
418 | #endif |
|
|
419 | |
|
|
420 | #if EV_USE_MONOTONIC |
405 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
421 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
406 | #endif |
422 | #endif |
407 | |
423 | |
408 | #ifdef _WIN32 |
424 | #ifdef _WIN32 |
409 | # include "ev_win32.c" |
425 | # include "ev_win32.c" |
… | |
… | |
474 | #define ev_malloc(size) ev_realloc (0, (size)) |
490 | #define ev_malloc(size) ev_realloc (0, (size)) |
475 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
491 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
476 | |
492 | |
477 | /*****************************************************************************/ |
493 | /*****************************************************************************/ |
478 | |
494 | |
|
|
495 | /* file descriptor info structure */ |
479 | typedef struct |
496 | typedef struct |
480 | { |
497 | { |
481 | WL head; |
498 | WL head; |
482 | unsigned char events; |
499 | unsigned char events; /* the events watched for */ |
483 | unsigned char reify; |
500 | unsigned char reify; /* flag set when this ANFD needs reification */ |
484 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
501 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
485 | unsigned char unused; |
502 | unsigned char unused; |
486 | #if EV_USE_EPOLL |
503 | #if EV_USE_EPOLL |
487 | unsigned int egen; /* generation counter to counter epoll bugs */ |
504 | unsigned int egen; /* generation counter to counter epoll bugs */ |
488 | #endif |
505 | #endif |
489 | #if EV_SELECT_IS_WINSOCKET |
506 | #if EV_SELECT_IS_WINSOCKET |
490 | SOCKET handle; |
507 | SOCKET handle; |
491 | #endif |
508 | #endif |
492 | } ANFD; |
509 | } ANFD; |
493 | |
510 | |
|
|
511 | /* stores the pending event set for a given watcher */ |
494 | typedef struct |
512 | typedef struct |
495 | { |
513 | { |
496 | W w; |
514 | W w; |
497 | int events; |
515 | int events; /* the pending event set for the given watcher */ |
498 | } ANPENDING; |
516 | } ANPENDING; |
499 | |
517 | |
500 | #if EV_USE_INOTIFY |
518 | #if EV_USE_INOTIFY |
501 | /* hash table entry per inotify-id */ |
519 | /* hash table entry per inotify-id */ |
502 | typedef struct |
520 | typedef struct |
… | |
… | |
505 | } ANFS; |
523 | } ANFS; |
506 | #endif |
524 | #endif |
507 | |
525 | |
508 | /* Heap Entry */ |
526 | /* Heap Entry */ |
509 | #if EV_HEAP_CACHE_AT |
527 | #if EV_HEAP_CACHE_AT |
|
|
528 | /* a heap element */ |
510 | typedef struct { |
529 | typedef struct { |
511 | ev_tstamp at; |
530 | ev_tstamp at; |
512 | WT w; |
531 | WT w; |
513 | } ANHE; |
532 | } ANHE; |
514 | |
533 | |
515 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
534 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
516 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
535 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
517 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
536 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
518 | #else |
537 | #else |
|
|
538 | /* a heap element */ |
519 | typedef WT ANHE; |
539 | typedef WT ANHE; |
520 | |
540 | |
521 | #define ANHE_w(he) (he) |
541 | #define ANHE_w(he) (he) |
522 | #define ANHE_at(he) (he)->at |
542 | #define ANHE_at(he) (he)->at |
523 | #define ANHE_at_cache(he) |
543 | #define ANHE_at_cache(he) |
… | |
… | |
547 | |
567 | |
548 | static int ev_default_loop_ptr; |
568 | static int ev_default_loop_ptr; |
549 | |
569 | |
550 | #endif |
570 | #endif |
551 | |
571 | |
|
|
572 | #if EV_MINIMAL < 2 |
|
|
573 | # define EV_SUSPEND_CB if (expect_false (suspend_cb)) suspend_cb (EV_A) |
|
|
574 | # define EV_RESUME_CB if (expect_false (resume_cb )) resume_cb (EV_A) |
|
|
575 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
576 | #else |
|
|
577 | # define EV_SUSPEND_CB (void)0 |
|
|
578 | # define EV_RESUME_CB (void)0 |
|
|
579 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
580 | #endif |
|
|
581 | |
552 | /*****************************************************************************/ |
582 | /*****************************************************************************/ |
553 | |
583 | |
|
|
584 | #ifndef EV_HAVE_EV_TIME |
554 | ev_tstamp |
585 | ev_tstamp |
555 | ev_time (void) |
586 | ev_time (void) |
556 | { |
587 | { |
557 | #if EV_USE_REALTIME |
588 | #if EV_USE_REALTIME |
|
|
589 | if (expect_true (have_realtime)) |
|
|
590 | { |
558 | struct timespec ts; |
591 | struct timespec ts; |
559 | clock_gettime (CLOCK_REALTIME, &ts); |
592 | clock_gettime (CLOCK_REALTIME, &ts); |
560 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
593 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
561 | #else |
594 | } |
|
|
595 | #endif |
|
|
596 | |
562 | struct timeval tv; |
597 | struct timeval tv; |
563 | gettimeofday (&tv, 0); |
598 | gettimeofday (&tv, 0); |
564 | return tv.tv_sec + tv.tv_usec * 1e-6; |
599 | return tv.tv_sec + tv.tv_usec * 1e-6; |
565 | #endif |
|
|
566 | } |
600 | } |
|
|
601 | #endif |
567 | |
602 | |
568 | ev_tstamp inline_size |
603 | inline_size ev_tstamp |
569 | get_clock (void) |
604 | get_clock (void) |
570 | { |
605 | { |
571 | #if EV_USE_MONOTONIC |
606 | #if EV_USE_MONOTONIC |
572 | if (expect_true (have_monotonic)) |
607 | if (expect_true (have_monotonic)) |
573 | { |
608 | { |
… | |
… | |
607 | |
642 | |
608 | tv.tv_sec = (time_t)delay; |
643 | tv.tv_sec = (time_t)delay; |
609 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
644 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
610 | |
645 | |
611 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
646 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
612 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
647 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
613 | /* by older ones */ |
648 | /* by older ones */ |
614 | select (0, 0, 0, 0, &tv); |
649 | select (0, 0, 0, 0, &tv); |
615 | #endif |
650 | #endif |
616 | } |
651 | } |
617 | } |
652 | } |
618 | |
653 | |
619 | /*****************************************************************************/ |
654 | /*****************************************************************************/ |
620 | |
655 | |
621 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
656 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
622 | |
657 | |
623 | int inline_size |
658 | /* find a suitable new size for the given array, */ |
|
|
659 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
660 | inline_size int |
624 | array_nextsize (int elem, int cur, int cnt) |
661 | array_nextsize (int elem, int cur, int cnt) |
625 | { |
662 | { |
626 | int ncur = cur + 1; |
663 | int ncur = cur + 1; |
627 | |
664 | |
628 | do |
665 | do |
… | |
… | |
669 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
706 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
670 | } |
707 | } |
671 | #endif |
708 | #endif |
672 | |
709 | |
673 | #define array_free(stem, idx) \ |
710 | #define array_free(stem, idx) \ |
674 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
711 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
675 | |
712 | |
676 | /*****************************************************************************/ |
713 | /*****************************************************************************/ |
|
|
714 | |
|
|
715 | /* dummy callback for pending events */ |
|
|
716 | static void noinline |
|
|
717 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
718 | { |
|
|
719 | } |
677 | |
720 | |
678 | void noinline |
721 | void noinline |
679 | ev_feed_event (EV_P_ void *w, int revents) |
722 | ev_feed_event (EV_P_ void *w, int revents) |
680 | { |
723 | { |
681 | W w_ = (W)w; |
724 | W w_ = (W)w; |
… | |
… | |
690 | pendings [pri][w_->pending - 1].w = w_; |
733 | pendings [pri][w_->pending - 1].w = w_; |
691 | pendings [pri][w_->pending - 1].events = revents; |
734 | pendings [pri][w_->pending - 1].events = revents; |
692 | } |
735 | } |
693 | } |
736 | } |
694 | |
737 | |
695 | void inline_speed |
738 | inline_speed void |
|
|
739 | feed_reverse (EV_P_ W w) |
|
|
740 | { |
|
|
741 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
742 | rfeeds [rfeedcnt++] = w; |
|
|
743 | } |
|
|
744 | |
|
|
745 | inline_size void |
|
|
746 | feed_reverse_done (EV_P_ int revents) |
|
|
747 | { |
|
|
748 | do |
|
|
749 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
750 | while (rfeedcnt); |
|
|
751 | } |
|
|
752 | |
|
|
753 | inline_speed void |
696 | queue_events (EV_P_ W *events, int eventcnt, int type) |
754 | queue_events (EV_P_ W *events, int eventcnt, int type) |
697 | { |
755 | { |
698 | int i; |
756 | int i; |
699 | |
757 | |
700 | for (i = 0; i < eventcnt; ++i) |
758 | for (i = 0; i < eventcnt; ++i) |
701 | ev_feed_event (EV_A_ events [i], type); |
759 | ev_feed_event (EV_A_ events [i], type); |
702 | } |
760 | } |
703 | |
761 | |
704 | /*****************************************************************************/ |
762 | /*****************************************************************************/ |
705 | |
763 | |
706 | void inline_speed |
764 | inline_speed void |
707 | fd_event (EV_P_ int fd, int revents) |
765 | fd_event (EV_P_ int fd, int revents) |
708 | { |
766 | { |
709 | ANFD *anfd = anfds + fd; |
767 | ANFD *anfd = anfds + fd; |
710 | ev_io *w; |
768 | ev_io *w; |
711 | |
769 | |
… | |
… | |
723 | { |
781 | { |
724 | if (fd >= 0 && fd < anfdmax) |
782 | if (fd >= 0 && fd < anfdmax) |
725 | fd_event (EV_A_ fd, revents); |
783 | fd_event (EV_A_ fd, revents); |
726 | } |
784 | } |
727 | |
785 | |
728 | void inline_size |
786 | /* make sure the external fd watch events are in-sync */ |
|
|
787 | /* with the kernel/libev internal state */ |
|
|
788 | inline_size void |
729 | fd_reify (EV_P) |
789 | fd_reify (EV_P) |
730 | { |
790 | { |
731 | int i; |
791 | int i; |
732 | |
792 | |
733 | for (i = 0; i < fdchangecnt; ++i) |
793 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
759 | unsigned char o_reify = anfd->reify; |
819 | unsigned char o_reify = anfd->reify; |
760 | |
820 | |
761 | anfd->reify = 0; |
821 | anfd->reify = 0; |
762 | anfd->events = events; |
822 | anfd->events = events; |
763 | |
823 | |
764 | if (o_events != events || o_reify & EV_IOFDSET) |
824 | if (o_events != events || o_reify & EV__IOFDSET) |
765 | backend_modify (EV_A_ fd, o_events, events); |
825 | backend_modify (EV_A_ fd, o_events, events); |
766 | } |
826 | } |
767 | } |
827 | } |
768 | |
828 | |
769 | fdchangecnt = 0; |
829 | fdchangecnt = 0; |
770 | } |
830 | } |
771 | |
831 | |
772 | void inline_size |
832 | /* something about the given fd changed */ |
|
|
833 | inline_size void |
773 | fd_change (EV_P_ int fd, int flags) |
834 | fd_change (EV_P_ int fd, int flags) |
774 | { |
835 | { |
775 | unsigned char reify = anfds [fd].reify; |
836 | unsigned char reify = anfds [fd].reify; |
776 | anfds [fd].reify |= flags; |
837 | anfds [fd].reify |= flags; |
777 | |
838 | |
… | |
… | |
781 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
842 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
782 | fdchanges [fdchangecnt - 1] = fd; |
843 | fdchanges [fdchangecnt - 1] = fd; |
783 | } |
844 | } |
784 | } |
845 | } |
785 | |
846 | |
786 | void inline_speed |
847 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
848 | inline_speed void |
787 | fd_kill (EV_P_ int fd) |
849 | fd_kill (EV_P_ int fd) |
788 | { |
850 | { |
789 | ev_io *w; |
851 | ev_io *w; |
790 | |
852 | |
791 | while ((w = (ev_io *)anfds [fd].head)) |
853 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
793 | ev_io_stop (EV_A_ w); |
855 | ev_io_stop (EV_A_ w); |
794 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
856 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
795 | } |
857 | } |
796 | } |
858 | } |
797 | |
859 | |
798 | int inline_size |
860 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
861 | inline_size int |
799 | fd_valid (int fd) |
862 | fd_valid (int fd) |
800 | { |
863 | { |
801 | #ifdef _WIN32 |
864 | #ifdef _WIN32 |
802 | return _get_osfhandle (fd) != -1; |
865 | return _get_osfhandle (fd) != -1; |
803 | #else |
866 | #else |
… | |
… | |
840 | for (fd = 0; fd < anfdmax; ++fd) |
903 | for (fd = 0; fd < anfdmax; ++fd) |
841 | if (anfds [fd].events) |
904 | if (anfds [fd].events) |
842 | { |
905 | { |
843 | anfds [fd].events = 0; |
906 | anfds [fd].events = 0; |
844 | anfds [fd].emask = 0; |
907 | anfds [fd].emask = 0; |
845 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
908 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
846 | } |
909 | } |
847 | } |
910 | } |
848 | |
911 | |
849 | /*****************************************************************************/ |
912 | /*****************************************************************************/ |
850 | |
913 | |
… | |
… | |
866 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
929 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
867 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
930 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
868 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
931 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
869 | |
932 | |
870 | /* away from the root */ |
933 | /* away from the root */ |
871 | void inline_speed |
934 | inline_speed void |
872 | downheap (ANHE *heap, int N, int k) |
935 | downheap (ANHE *heap, int N, int k) |
873 | { |
936 | { |
874 | ANHE he = heap [k]; |
937 | ANHE he = heap [k]; |
875 | ANHE *E = heap + N + HEAP0; |
938 | ANHE *E = heap + N + HEAP0; |
876 | |
939 | |
… | |
… | |
916 | #define HEAP0 1 |
979 | #define HEAP0 1 |
917 | #define HPARENT(k) ((k) >> 1) |
980 | #define HPARENT(k) ((k) >> 1) |
918 | #define UPHEAP_DONE(p,k) (!(p)) |
981 | #define UPHEAP_DONE(p,k) (!(p)) |
919 | |
982 | |
920 | /* away from the root */ |
983 | /* away from the root */ |
921 | void inline_speed |
984 | inline_speed void |
922 | downheap (ANHE *heap, int N, int k) |
985 | downheap (ANHE *heap, int N, int k) |
923 | { |
986 | { |
924 | ANHE he = heap [k]; |
987 | ANHE he = heap [k]; |
925 | |
988 | |
926 | for (;;) |
989 | for (;;) |
… | |
… | |
946 | ev_active (ANHE_w (he)) = k; |
1009 | ev_active (ANHE_w (he)) = k; |
947 | } |
1010 | } |
948 | #endif |
1011 | #endif |
949 | |
1012 | |
950 | /* towards the root */ |
1013 | /* towards the root */ |
951 | void inline_speed |
1014 | inline_speed void |
952 | upheap (ANHE *heap, int k) |
1015 | upheap (ANHE *heap, int k) |
953 | { |
1016 | { |
954 | ANHE he = heap [k]; |
1017 | ANHE he = heap [k]; |
955 | |
1018 | |
956 | for (;;) |
1019 | for (;;) |
… | |
… | |
967 | |
1030 | |
968 | heap [k] = he; |
1031 | heap [k] = he; |
969 | ev_active (ANHE_w (he)) = k; |
1032 | ev_active (ANHE_w (he)) = k; |
970 | } |
1033 | } |
971 | |
1034 | |
972 | void inline_size |
1035 | /* move an element suitably so it is in a correct place */ |
|
|
1036 | inline_size void |
973 | adjustheap (ANHE *heap, int N, int k) |
1037 | adjustheap (ANHE *heap, int N, int k) |
974 | { |
1038 | { |
975 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1039 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
976 | upheap (heap, k); |
1040 | upheap (heap, k); |
977 | else |
1041 | else |
978 | downheap (heap, N, k); |
1042 | downheap (heap, N, k); |
979 | } |
1043 | } |
980 | |
1044 | |
981 | /* rebuild the heap: this function is used only once and executed rarely */ |
1045 | /* rebuild the heap: this function is used only once and executed rarely */ |
982 | void inline_size |
1046 | inline_size void |
983 | reheap (ANHE *heap, int N) |
1047 | reheap (ANHE *heap, int N) |
984 | { |
1048 | { |
985 | int i; |
1049 | int i; |
986 | |
1050 | |
987 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1051 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
990 | upheap (heap, i + HEAP0); |
1054 | upheap (heap, i + HEAP0); |
991 | } |
1055 | } |
992 | |
1056 | |
993 | /*****************************************************************************/ |
1057 | /*****************************************************************************/ |
994 | |
1058 | |
|
|
1059 | /* associate signal watchers to a signal signal */ |
995 | typedef struct |
1060 | typedef struct |
996 | { |
1061 | { |
997 | WL head; |
1062 | WL head; |
998 | EV_ATOMIC_T gotsig; |
1063 | EV_ATOMIC_T gotsig; |
999 | } ANSIG; |
1064 | } ANSIG; |
… | |
… | |
1003 | |
1068 | |
1004 | static EV_ATOMIC_T gotsig; |
1069 | static EV_ATOMIC_T gotsig; |
1005 | |
1070 | |
1006 | /*****************************************************************************/ |
1071 | /*****************************************************************************/ |
1007 | |
1072 | |
1008 | void inline_speed |
1073 | /* used to prepare libev internal fd's */ |
|
|
1074 | /* this is not fork-safe */ |
|
|
1075 | inline_speed void |
1009 | fd_intern (int fd) |
1076 | fd_intern (int fd) |
1010 | { |
1077 | { |
1011 | #ifdef _WIN32 |
1078 | #ifdef _WIN32 |
1012 | unsigned long arg = 1; |
1079 | unsigned long arg = 1; |
1013 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1080 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
1018 | } |
1085 | } |
1019 | |
1086 | |
1020 | static void noinline |
1087 | static void noinline |
1021 | evpipe_init (EV_P) |
1088 | evpipe_init (EV_P) |
1022 | { |
1089 | { |
1023 | if (!ev_is_active (&pipeev)) |
1090 | if (!ev_is_active (&pipe_w)) |
1024 | { |
1091 | { |
1025 | #if EV_USE_EVENTFD |
1092 | #if EV_USE_EVENTFD |
1026 | if ((evfd = eventfd (0, 0)) >= 0) |
1093 | if ((evfd = eventfd (0, 0)) >= 0) |
1027 | { |
1094 | { |
1028 | evpipe [0] = -1; |
1095 | evpipe [0] = -1; |
1029 | fd_intern (evfd); |
1096 | fd_intern (evfd); |
1030 | ev_io_set (&pipeev, evfd, EV_READ); |
1097 | ev_io_set (&pipe_w, evfd, EV_READ); |
1031 | } |
1098 | } |
1032 | else |
1099 | else |
1033 | #endif |
1100 | #endif |
1034 | { |
1101 | { |
1035 | while (pipe (evpipe)) |
1102 | while (pipe (evpipe)) |
1036 | ev_syserr ("(libev) error creating signal/async pipe"); |
1103 | ev_syserr ("(libev) error creating signal/async pipe"); |
1037 | |
1104 | |
1038 | fd_intern (evpipe [0]); |
1105 | fd_intern (evpipe [0]); |
1039 | fd_intern (evpipe [1]); |
1106 | fd_intern (evpipe [1]); |
1040 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1107 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1041 | } |
1108 | } |
1042 | |
1109 | |
1043 | ev_io_start (EV_A_ &pipeev); |
1110 | ev_io_start (EV_A_ &pipe_w); |
1044 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1111 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1045 | } |
1112 | } |
1046 | } |
1113 | } |
1047 | |
1114 | |
1048 | void inline_size |
1115 | inline_size void |
1049 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1116 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1050 | { |
1117 | { |
1051 | if (!*flag) |
1118 | if (!*flag) |
1052 | { |
1119 | { |
1053 | int old_errno = errno; /* save errno because write might clobber it */ |
1120 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1066 | |
1133 | |
1067 | errno = old_errno; |
1134 | errno = old_errno; |
1068 | } |
1135 | } |
1069 | } |
1136 | } |
1070 | |
1137 | |
|
|
1138 | /* called whenever the libev signal pipe */ |
|
|
1139 | /* got some events (signal, async) */ |
1071 | static void |
1140 | static void |
1072 | pipecb (EV_P_ ev_io *iow, int revents) |
1141 | pipecb (EV_P_ ev_io *iow, int revents) |
1073 | { |
1142 | { |
1074 | #if EV_USE_EVENTFD |
1143 | #if EV_USE_EVENTFD |
1075 | if (evfd >= 0) |
1144 | if (evfd >= 0) |
… | |
… | |
1157 | |
1226 | |
1158 | #ifndef WIFCONTINUED |
1227 | #ifndef WIFCONTINUED |
1159 | # define WIFCONTINUED(status) 0 |
1228 | # define WIFCONTINUED(status) 0 |
1160 | #endif |
1229 | #endif |
1161 | |
1230 | |
1162 | void inline_speed |
1231 | /* handle a single child status event */ |
|
|
1232 | inline_speed void |
1163 | child_reap (EV_P_ int chain, int pid, int status) |
1233 | child_reap (EV_P_ int chain, int pid, int status) |
1164 | { |
1234 | { |
1165 | ev_child *w; |
1235 | ev_child *w; |
1166 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1236 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1167 | |
1237 | |
… | |
… | |
1180 | |
1250 | |
1181 | #ifndef WCONTINUED |
1251 | #ifndef WCONTINUED |
1182 | # define WCONTINUED 0 |
1252 | # define WCONTINUED 0 |
1183 | #endif |
1253 | #endif |
1184 | |
1254 | |
|
|
1255 | /* called on sigchld etc., calls waitpid */ |
1185 | static void |
1256 | static void |
1186 | childcb (EV_P_ ev_signal *sw, int revents) |
1257 | childcb (EV_P_ ev_signal *sw, int revents) |
1187 | { |
1258 | { |
1188 | int pid, status; |
1259 | int pid, status; |
1189 | |
1260 | |
… | |
… | |
1296 | ev_backend (EV_P) |
1367 | ev_backend (EV_P) |
1297 | { |
1368 | { |
1298 | return backend; |
1369 | return backend; |
1299 | } |
1370 | } |
1300 | |
1371 | |
|
|
1372 | #if EV_MINIMAL < 2 |
1301 | unsigned int |
1373 | unsigned int |
1302 | ev_loop_count (EV_P) |
1374 | ev_loop_count (EV_P) |
1303 | { |
1375 | { |
1304 | return loop_count; |
1376 | return loop_count; |
1305 | } |
1377 | } |
1306 | |
1378 | |
|
|
1379 | unsigned int |
|
|
1380 | ev_loop_depth (EV_P) |
|
|
1381 | { |
|
|
1382 | return loop_depth; |
|
|
1383 | } |
|
|
1384 | |
1307 | void |
1385 | void |
1308 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1386 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1309 | { |
1387 | { |
1310 | io_blocktime = interval; |
1388 | io_blocktime = interval; |
1311 | } |
1389 | } |
… | |
… | |
1314 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1392 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1315 | { |
1393 | { |
1316 | timeout_blocktime = interval; |
1394 | timeout_blocktime = interval; |
1317 | } |
1395 | } |
1318 | |
1396 | |
|
|
1397 | void |
|
|
1398 | ev_set_userdata (EV_P_ void *data) |
|
|
1399 | { |
|
|
1400 | userdata = data; |
|
|
1401 | } |
|
|
1402 | |
|
|
1403 | void * |
|
|
1404 | ev_userdata (EV_P) |
|
|
1405 | { |
|
|
1406 | return userdata; |
|
|
1407 | } |
|
|
1408 | |
|
|
1409 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1410 | { |
|
|
1411 | invoke_cb = invoke_pending_cb; |
|
|
1412 | } |
|
|
1413 | |
|
|
1414 | void ev_set_blocking_cb (EV_P_ void (*suspend_cb_)(EV_P), void (*resume_cb_)(EV_P)) |
|
|
1415 | { |
|
|
1416 | suspend_cb = suspend_cb_; |
|
|
1417 | resume_cb = resume_cb_; |
|
|
1418 | } |
|
|
1419 | #endif |
|
|
1420 | |
|
|
1421 | /* initialise a loop structure, must be zero-initialised */ |
1319 | static void noinline |
1422 | static void noinline |
1320 | loop_init (EV_P_ unsigned int flags) |
1423 | loop_init (EV_P_ unsigned int flags) |
1321 | { |
1424 | { |
1322 | if (!backend) |
1425 | if (!backend) |
1323 | { |
1426 | { |
|
|
1427 | #if EV_USE_REALTIME |
|
|
1428 | if (!have_realtime) |
|
|
1429 | { |
|
|
1430 | struct timespec ts; |
|
|
1431 | |
|
|
1432 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1433 | have_realtime = 1; |
|
|
1434 | } |
|
|
1435 | #endif |
|
|
1436 | |
1324 | #if EV_USE_MONOTONIC |
1437 | #if EV_USE_MONOTONIC |
|
|
1438 | if (!have_monotonic) |
1325 | { |
1439 | { |
1326 | struct timespec ts; |
1440 | struct timespec ts; |
|
|
1441 | |
1327 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1442 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1328 | have_monotonic = 1; |
1443 | have_monotonic = 1; |
1329 | } |
1444 | } |
1330 | #endif |
1445 | #endif |
1331 | |
1446 | |
1332 | ev_rt_now = ev_time (); |
1447 | ev_rt_now = ev_time (); |
1333 | mn_now = get_clock (); |
1448 | mn_now = get_clock (); |
1334 | now_floor = mn_now; |
1449 | now_floor = mn_now; |
1335 | rtmn_diff = ev_rt_now - mn_now; |
1450 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1451 | #if EV_MINIMAL < 2 |
|
|
1452 | invoke_cb = ev_invoke_pending; |
|
|
1453 | #endif |
1336 | |
1454 | |
1337 | io_blocktime = 0.; |
1455 | io_blocktime = 0.; |
1338 | timeout_blocktime = 0.; |
1456 | timeout_blocktime = 0.; |
1339 | backend = 0; |
1457 | backend = 0; |
1340 | backend_fd = -1; |
1458 | backend_fd = -1; |
… | |
… | |
1371 | #endif |
1489 | #endif |
1372 | #if EV_USE_SELECT |
1490 | #if EV_USE_SELECT |
1373 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1491 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1374 | #endif |
1492 | #endif |
1375 | |
1493 | |
|
|
1494 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1495 | |
1376 | ev_init (&pipeev, pipecb); |
1496 | ev_init (&pipe_w, pipecb); |
1377 | ev_set_priority (&pipeev, EV_MAXPRI); |
1497 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1378 | } |
1498 | } |
1379 | } |
1499 | } |
1380 | |
1500 | |
|
|
1501 | /* free up a loop structure */ |
1381 | static void noinline |
1502 | static void noinline |
1382 | loop_destroy (EV_P) |
1503 | loop_destroy (EV_P) |
1383 | { |
1504 | { |
1384 | int i; |
1505 | int i; |
1385 | |
1506 | |
1386 | if (ev_is_active (&pipeev)) |
1507 | if (ev_is_active (&pipe_w)) |
1387 | { |
1508 | { |
1388 | ev_ref (EV_A); /* signal watcher */ |
1509 | ev_ref (EV_A); /* signal watcher */ |
1389 | ev_io_stop (EV_A_ &pipeev); |
1510 | ev_io_stop (EV_A_ &pipe_w); |
1390 | |
1511 | |
1391 | #if EV_USE_EVENTFD |
1512 | #if EV_USE_EVENTFD |
1392 | if (evfd >= 0) |
1513 | if (evfd >= 0) |
1393 | close (evfd); |
1514 | close (evfd); |
1394 | #endif |
1515 | #endif |
… | |
… | |
1433 | } |
1554 | } |
1434 | |
1555 | |
1435 | ev_free (anfds); anfdmax = 0; |
1556 | ev_free (anfds); anfdmax = 0; |
1436 | |
1557 | |
1437 | /* have to use the microsoft-never-gets-it-right macro */ |
1558 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1559 | array_free (rfeed, EMPTY); |
1438 | array_free (fdchange, EMPTY); |
1560 | array_free (fdchange, EMPTY); |
1439 | array_free (timer, EMPTY); |
1561 | array_free (timer, EMPTY); |
1440 | #if EV_PERIODIC_ENABLE |
1562 | #if EV_PERIODIC_ENABLE |
1441 | array_free (periodic, EMPTY); |
1563 | array_free (periodic, EMPTY); |
1442 | #endif |
1564 | #endif |
… | |
… | |
1451 | |
1573 | |
1452 | backend = 0; |
1574 | backend = 0; |
1453 | } |
1575 | } |
1454 | |
1576 | |
1455 | #if EV_USE_INOTIFY |
1577 | #if EV_USE_INOTIFY |
1456 | void inline_size infy_fork (EV_P); |
1578 | inline_size void infy_fork (EV_P); |
1457 | #endif |
1579 | #endif |
1458 | |
1580 | |
1459 | void inline_size |
1581 | inline_size void |
1460 | loop_fork (EV_P) |
1582 | loop_fork (EV_P) |
1461 | { |
1583 | { |
1462 | #if EV_USE_PORT |
1584 | #if EV_USE_PORT |
1463 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1585 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1464 | #endif |
1586 | #endif |
… | |
… | |
1470 | #endif |
1592 | #endif |
1471 | #if EV_USE_INOTIFY |
1593 | #if EV_USE_INOTIFY |
1472 | infy_fork (EV_A); |
1594 | infy_fork (EV_A); |
1473 | #endif |
1595 | #endif |
1474 | |
1596 | |
1475 | if (ev_is_active (&pipeev)) |
1597 | if (ev_is_active (&pipe_w)) |
1476 | { |
1598 | { |
1477 | /* this "locks" the handlers against writing to the pipe */ |
1599 | /* this "locks" the handlers against writing to the pipe */ |
1478 | /* while we modify the fd vars */ |
1600 | /* while we modify the fd vars */ |
1479 | gotsig = 1; |
1601 | gotsig = 1; |
1480 | #if EV_ASYNC_ENABLE |
1602 | #if EV_ASYNC_ENABLE |
1481 | gotasync = 1; |
1603 | gotasync = 1; |
1482 | #endif |
1604 | #endif |
1483 | |
1605 | |
1484 | ev_ref (EV_A); |
1606 | ev_ref (EV_A); |
1485 | ev_io_stop (EV_A_ &pipeev); |
1607 | ev_io_stop (EV_A_ &pipe_w); |
1486 | |
1608 | |
1487 | #if EV_USE_EVENTFD |
1609 | #if EV_USE_EVENTFD |
1488 | if (evfd >= 0) |
1610 | if (evfd >= 0) |
1489 | close (evfd); |
1611 | close (evfd); |
1490 | #endif |
1612 | #endif |
… | |
… | |
1495 | close (evpipe [1]); |
1617 | close (evpipe [1]); |
1496 | } |
1618 | } |
1497 | |
1619 | |
1498 | evpipe_init (EV_A); |
1620 | evpipe_init (EV_A); |
1499 | /* now iterate over everything, in case we missed something */ |
1621 | /* now iterate over everything, in case we missed something */ |
1500 | pipecb (EV_A_ &pipeev, EV_READ); |
1622 | pipecb (EV_A_ &pipe_w, EV_READ); |
1501 | } |
1623 | } |
1502 | |
1624 | |
1503 | postfork = 0; |
1625 | postfork = 0; |
1504 | } |
1626 | } |
1505 | |
1627 | |
… | |
… | |
1530 | void |
1652 | void |
1531 | ev_loop_fork (EV_P) |
1653 | ev_loop_fork (EV_P) |
1532 | { |
1654 | { |
1533 | postfork = 1; /* must be in line with ev_default_fork */ |
1655 | postfork = 1; /* must be in line with ev_default_fork */ |
1534 | } |
1656 | } |
|
|
1657 | #endif /* multiplicity */ |
1535 | |
1658 | |
1536 | #if EV_VERIFY |
1659 | #if EV_VERIFY |
1537 | static void noinline |
1660 | static void noinline |
1538 | verify_watcher (EV_P_ W w) |
1661 | verify_watcher (EV_P_ W w) |
1539 | { |
1662 | { |
… | |
… | |
1567 | verify_watcher (EV_A_ ws [cnt]); |
1690 | verify_watcher (EV_A_ ws [cnt]); |
1568 | } |
1691 | } |
1569 | } |
1692 | } |
1570 | #endif |
1693 | #endif |
1571 | |
1694 | |
|
|
1695 | #if EV_MINIMAL < 2 |
1572 | void |
1696 | void |
1573 | ev_loop_verify (EV_P) |
1697 | ev_loop_verify (EV_P) |
1574 | { |
1698 | { |
1575 | #if EV_VERIFY |
1699 | #if EV_VERIFY |
1576 | int i; |
1700 | int i; |
… | |
… | |
1629 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1753 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1630 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1754 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1631 | # endif |
1755 | # endif |
1632 | #endif |
1756 | #endif |
1633 | } |
1757 | } |
1634 | |
1758 | #endif |
1635 | #endif /* multiplicity */ |
|
|
1636 | |
1759 | |
1637 | #if EV_MULTIPLICITY |
1760 | #if EV_MULTIPLICITY |
1638 | struct ev_loop * |
1761 | struct ev_loop * |
1639 | ev_default_loop_init (unsigned int flags) |
1762 | ev_default_loop_init (unsigned int flags) |
1640 | #else |
1763 | #else |
… | |
… | |
1701 | ev_invoke (EV_P_ void *w, int revents) |
1824 | ev_invoke (EV_P_ void *w, int revents) |
1702 | { |
1825 | { |
1703 | EV_CB_INVOKE ((W)w, revents); |
1826 | EV_CB_INVOKE ((W)w, revents); |
1704 | } |
1827 | } |
1705 | |
1828 | |
1706 | void inline_speed |
1829 | void noinline |
1707 | call_pending (EV_P) |
1830 | ev_invoke_pending (EV_P) |
1708 | { |
1831 | { |
1709 | int pri; |
1832 | int pri; |
1710 | |
1833 | |
1711 | for (pri = NUMPRI; pri--; ) |
1834 | for (pri = NUMPRI; pri--; ) |
1712 | while (pendingcnt [pri]) |
1835 | while (pendingcnt [pri]) |
1713 | { |
1836 | { |
1714 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1837 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1715 | |
1838 | |
1716 | if (expect_true (p->w)) |
|
|
1717 | { |
|
|
1718 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
1839 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1840 | /* ^ this is no longer true, as pending_w could be here */ |
1719 | |
1841 | |
1720 | p->w->pending = 0; |
1842 | p->w->pending = 0; |
1721 | EV_CB_INVOKE (p->w, p->events); |
1843 | EV_CB_INVOKE (p->w, p->events); |
1722 | EV_FREQUENT_CHECK; |
1844 | EV_FREQUENT_CHECK; |
1723 | } |
|
|
1724 | } |
1845 | } |
1725 | } |
1846 | } |
1726 | |
1847 | |
1727 | #if EV_IDLE_ENABLE |
1848 | #if EV_IDLE_ENABLE |
1728 | void inline_size |
1849 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1850 | /* only when higher priorities are idle" logic */ |
|
|
1851 | inline_size void |
1729 | idle_reify (EV_P) |
1852 | idle_reify (EV_P) |
1730 | { |
1853 | { |
1731 | if (expect_false (idleall)) |
1854 | if (expect_false (idleall)) |
1732 | { |
1855 | { |
1733 | int pri; |
1856 | int pri; |
… | |
… | |
1745 | } |
1868 | } |
1746 | } |
1869 | } |
1747 | } |
1870 | } |
1748 | #endif |
1871 | #endif |
1749 | |
1872 | |
1750 | void inline_size |
1873 | /* make timers pending */ |
|
|
1874 | inline_size void |
1751 | timers_reify (EV_P) |
1875 | timers_reify (EV_P) |
1752 | { |
1876 | { |
1753 | EV_FREQUENT_CHECK; |
1877 | EV_FREQUENT_CHECK; |
1754 | |
1878 | |
1755 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1879 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1756 | { |
1880 | { |
1757 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1881 | do |
1758 | |
|
|
1759 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1760 | |
|
|
1761 | /* first reschedule or stop timer */ |
|
|
1762 | if (w->repeat) |
|
|
1763 | { |
1882 | { |
|
|
1883 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1884 | |
|
|
1885 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1886 | |
|
|
1887 | /* first reschedule or stop timer */ |
|
|
1888 | if (w->repeat) |
|
|
1889 | { |
1764 | ev_at (w) += w->repeat; |
1890 | ev_at (w) += w->repeat; |
1765 | if (ev_at (w) < mn_now) |
1891 | if (ev_at (w) < mn_now) |
1766 | ev_at (w) = mn_now; |
1892 | ev_at (w) = mn_now; |
1767 | |
1893 | |
1768 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1894 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1769 | |
1895 | |
1770 | ANHE_at_cache (timers [HEAP0]); |
1896 | ANHE_at_cache (timers [HEAP0]); |
1771 | downheap (timers, timercnt, HEAP0); |
1897 | downheap (timers, timercnt, HEAP0); |
|
|
1898 | } |
|
|
1899 | else |
|
|
1900 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1901 | |
|
|
1902 | EV_FREQUENT_CHECK; |
|
|
1903 | feed_reverse (EV_A_ (W)w); |
1772 | } |
1904 | } |
1773 | else |
1905 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1774 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1775 | |
1906 | |
1776 | EV_FREQUENT_CHECK; |
|
|
1777 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1907 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1778 | } |
1908 | } |
1779 | } |
1909 | } |
1780 | |
1910 | |
1781 | #if EV_PERIODIC_ENABLE |
1911 | #if EV_PERIODIC_ENABLE |
1782 | void inline_size |
1912 | /* make periodics pending */ |
|
|
1913 | inline_size void |
1783 | periodics_reify (EV_P) |
1914 | periodics_reify (EV_P) |
1784 | { |
1915 | { |
1785 | EV_FREQUENT_CHECK; |
1916 | EV_FREQUENT_CHECK; |
1786 | |
1917 | |
1787 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1918 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1788 | { |
1919 | { |
1789 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1920 | int feed_count = 0; |
1790 | |
1921 | |
1791 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1922 | do |
1792 | |
|
|
1793 | /* first reschedule or stop timer */ |
|
|
1794 | if (w->reschedule_cb) |
|
|
1795 | { |
1923 | { |
|
|
1924 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1925 | |
|
|
1926 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1927 | |
|
|
1928 | /* first reschedule or stop timer */ |
|
|
1929 | if (w->reschedule_cb) |
|
|
1930 | { |
1796 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1931 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1797 | |
1932 | |
1798 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1933 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1799 | |
1934 | |
1800 | ANHE_at_cache (periodics [HEAP0]); |
1935 | ANHE_at_cache (periodics [HEAP0]); |
1801 | downheap (periodics, periodiccnt, HEAP0); |
1936 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1937 | } |
|
|
1938 | else if (w->interval) |
|
|
1939 | { |
|
|
1940 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1941 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1942 | /* this might happen because of floating point inexactness */ |
|
|
1943 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1944 | { |
|
|
1945 | ev_at (w) += w->interval; |
|
|
1946 | |
|
|
1947 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1948 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1949 | /* has effectively asked to get triggered more often than possible */ |
|
|
1950 | if (ev_at (w) < ev_rt_now) |
|
|
1951 | ev_at (w) = ev_rt_now; |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1955 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1956 | } |
|
|
1957 | else |
|
|
1958 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1959 | |
|
|
1960 | EV_FREQUENT_CHECK; |
|
|
1961 | feed_reverse (EV_A_ (W)w); |
1802 | } |
1962 | } |
1803 | else if (w->interval) |
1963 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1804 | { |
|
|
1805 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1806 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1807 | /* this might happen because of floating point inexactness */ |
|
|
1808 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1809 | { |
|
|
1810 | ev_at (w) += w->interval; |
|
|
1811 | |
1964 | |
1812 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1813 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1814 | /* has effectively asked to get triggered more often than possible */ |
|
|
1815 | if (ev_at (w) < ev_rt_now) |
|
|
1816 | ev_at (w) = ev_rt_now; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1820 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1821 | } |
|
|
1822 | else |
|
|
1823 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1824 | |
|
|
1825 | EV_FREQUENT_CHECK; |
|
|
1826 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1965 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1827 | } |
1966 | } |
1828 | } |
1967 | } |
1829 | |
1968 | |
|
|
1969 | /* simply recalculate all periodics */ |
|
|
1970 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1830 | static void noinline |
1971 | static void noinline |
1831 | periodics_reschedule (EV_P) |
1972 | periodics_reschedule (EV_P) |
1832 | { |
1973 | { |
1833 | int i; |
1974 | int i; |
1834 | |
1975 | |
… | |
… | |
1847 | |
1988 | |
1848 | reheap (periodics, periodiccnt); |
1989 | reheap (periodics, periodiccnt); |
1849 | } |
1990 | } |
1850 | #endif |
1991 | #endif |
1851 | |
1992 | |
1852 | void inline_speed |
1993 | /* adjust all timers by a given offset */ |
|
|
1994 | static void noinline |
|
|
1995 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1996 | { |
|
|
1997 | int i; |
|
|
1998 | |
|
|
1999 | for (i = 0; i < timercnt; ++i) |
|
|
2000 | { |
|
|
2001 | ANHE *he = timers + i + HEAP0; |
|
|
2002 | ANHE_w (*he)->at += adjust; |
|
|
2003 | ANHE_at_cache (*he); |
|
|
2004 | } |
|
|
2005 | } |
|
|
2006 | |
|
|
2007 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2008 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
2009 | inline_speed void |
1853 | time_update (EV_P_ ev_tstamp max_block) |
2010 | time_update (EV_P_ ev_tstamp max_block) |
1854 | { |
2011 | { |
1855 | int i; |
|
|
1856 | |
|
|
1857 | #if EV_USE_MONOTONIC |
2012 | #if EV_USE_MONOTONIC |
1858 | if (expect_true (have_monotonic)) |
2013 | if (expect_true (have_monotonic)) |
1859 | { |
2014 | { |
|
|
2015 | int i; |
1860 | ev_tstamp odiff = rtmn_diff; |
2016 | ev_tstamp odiff = rtmn_diff; |
1861 | |
2017 | |
1862 | mn_now = get_clock (); |
2018 | mn_now = get_clock (); |
1863 | |
2019 | |
1864 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2020 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1890 | ev_rt_now = ev_time (); |
2046 | ev_rt_now = ev_time (); |
1891 | mn_now = get_clock (); |
2047 | mn_now = get_clock (); |
1892 | now_floor = mn_now; |
2048 | now_floor = mn_now; |
1893 | } |
2049 | } |
1894 | |
2050 | |
|
|
2051 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2052 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1895 | # if EV_PERIODIC_ENABLE |
2053 | # if EV_PERIODIC_ENABLE |
1896 | periodics_reschedule (EV_A); |
2054 | periodics_reschedule (EV_A); |
1897 | # endif |
2055 | # endif |
1898 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1899 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1900 | } |
2056 | } |
1901 | else |
2057 | else |
1902 | #endif |
2058 | #endif |
1903 | { |
2059 | { |
1904 | ev_rt_now = ev_time (); |
2060 | ev_rt_now = ev_time (); |
1905 | |
2061 | |
1906 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2062 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1907 | { |
2063 | { |
|
|
2064 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2065 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1908 | #if EV_PERIODIC_ENABLE |
2066 | #if EV_PERIODIC_ENABLE |
1909 | periodics_reschedule (EV_A); |
2067 | periodics_reschedule (EV_A); |
1910 | #endif |
2068 | #endif |
1911 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1912 | for (i = 0; i < timercnt; ++i) |
|
|
1913 | { |
|
|
1914 | ANHE *he = timers + i + HEAP0; |
|
|
1915 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1916 | ANHE_at_cache (*he); |
|
|
1917 | } |
|
|
1918 | } |
2069 | } |
1919 | |
2070 | |
1920 | mn_now = ev_rt_now; |
2071 | mn_now = ev_rt_now; |
1921 | } |
2072 | } |
1922 | } |
2073 | } |
1923 | |
2074 | |
1924 | void |
2075 | void |
1925 | ev_ref (EV_P) |
|
|
1926 | { |
|
|
1927 | ++activecnt; |
|
|
1928 | } |
|
|
1929 | |
|
|
1930 | void |
|
|
1931 | ev_unref (EV_P) |
|
|
1932 | { |
|
|
1933 | --activecnt; |
|
|
1934 | } |
|
|
1935 | |
|
|
1936 | void |
|
|
1937 | ev_now_update (EV_P) |
|
|
1938 | { |
|
|
1939 | time_update (EV_A_ 1e100); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | static int loop_done; |
|
|
1943 | |
|
|
1944 | void |
|
|
1945 | ev_loop (EV_P_ int flags) |
2076 | ev_loop (EV_P_ int flags) |
1946 | { |
2077 | { |
|
|
2078 | #if EV_MINIMAL < 2 |
|
|
2079 | ++loop_depth; |
|
|
2080 | #endif |
|
|
2081 | |
1947 | loop_done = EVUNLOOP_CANCEL; |
2082 | loop_done = EVUNLOOP_CANCEL; |
1948 | |
2083 | |
1949 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2084 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1950 | |
2085 | |
1951 | do |
2086 | do |
1952 | { |
2087 | { |
1953 | #if EV_VERIFY >= 2 |
2088 | #if EV_VERIFY >= 2 |
1954 | ev_loop_verify (EV_A); |
2089 | ev_loop_verify (EV_A); |
… | |
… | |
1967 | /* we might have forked, so queue fork handlers */ |
2102 | /* we might have forked, so queue fork handlers */ |
1968 | if (expect_false (postfork)) |
2103 | if (expect_false (postfork)) |
1969 | if (forkcnt) |
2104 | if (forkcnt) |
1970 | { |
2105 | { |
1971 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2106 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1972 | call_pending (EV_A); |
2107 | EV_INVOKE_PENDING; |
1973 | } |
2108 | } |
1974 | #endif |
2109 | #endif |
1975 | |
2110 | |
1976 | /* queue prepare watchers (and execute them) */ |
2111 | /* queue prepare watchers (and execute them) */ |
1977 | if (expect_false (preparecnt)) |
2112 | if (expect_false (preparecnt)) |
1978 | { |
2113 | { |
1979 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2114 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1980 | call_pending (EV_A); |
2115 | EV_INVOKE_PENDING; |
1981 | } |
2116 | } |
1982 | |
|
|
1983 | if (expect_false (!activecnt)) |
|
|
1984 | break; |
|
|
1985 | |
2117 | |
1986 | /* we might have forked, so reify kernel state if necessary */ |
2118 | /* we might have forked, so reify kernel state if necessary */ |
1987 | if (expect_false (postfork)) |
2119 | if (expect_false (postfork)) |
1988 | loop_fork (EV_A); |
2120 | loop_fork (EV_A); |
1989 | |
2121 | |
… | |
… | |
1995 | ev_tstamp waittime = 0.; |
2127 | ev_tstamp waittime = 0.; |
1996 | ev_tstamp sleeptime = 0.; |
2128 | ev_tstamp sleeptime = 0.; |
1997 | |
2129 | |
1998 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2130 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1999 | { |
2131 | { |
|
|
2132 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2133 | ev_tstamp prev_mn_now = mn_now; |
|
|
2134 | |
2000 | /* update time to cancel out callback processing overhead */ |
2135 | /* update time to cancel out callback processing overhead */ |
2001 | time_update (EV_A_ 1e100); |
2136 | time_update (EV_A_ 1e100); |
2002 | |
2137 | |
2003 | waittime = MAX_BLOCKTIME; |
2138 | waittime = MAX_BLOCKTIME; |
2004 | |
2139 | |
… | |
… | |
2014 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2149 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2015 | if (waittime > to) waittime = to; |
2150 | if (waittime > to) waittime = to; |
2016 | } |
2151 | } |
2017 | #endif |
2152 | #endif |
2018 | |
2153 | |
|
|
2154 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2019 | if (expect_false (waittime < timeout_blocktime)) |
2155 | if (expect_false (waittime < timeout_blocktime)) |
2020 | waittime = timeout_blocktime; |
2156 | waittime = timeout_blocktime; |
2021 | |
2157 | |
2022 | sleeptime = waittime - backend_fudge; |
2158 | /* extra check because io_blocktime is commonly 0 */ |
2023 | |
|
|
2024 | if (expect_true (sleeptime > io_blocktime)) |
2159 | if (expect_false (io_blocktime)) |
2025 | sleeptime = io_blocktime; |
|
|
2026 | |
|
|
2027 | if (sleeptime) |
|
|
2028 | { |
2160 | { |
|
|
2161 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2162 | |
|
|
2163 | if (sleeptime > waittime - backend_fudge) |
|
|
2164 | sleeptime = waittime - backend_fudge; |
|
|
2165 | |
|
|
2166 | if (expect_true (sleeptime > 0.)) |
|
|
2167 | { |
2029 | ev_sleep (sleeptime); |
2168 | ev_sleep (sleeptime); |
2030 | waittime -= sleeptime; |
2169 | waittime -= sleeptime; |
|
|
2170 | } |
2031 | } |
2171 | } |
2032 | } |
2172 | } |
2033 | |
2173 | |
|
|
2174 | #if EV_MINIMAL < 2 |
2034 | ++loop_count; |
2175 | ++loop_count; |
|
|
2176 | #endif |
2035 | backend_poll (EV_A_ waittime); |
2177 | backend_poll (EV_A_ waittime); |
2036 | |
2178 | |
2037 | /* update ev_rt_now, do magic */ |
2179 | /* update ev_rt_now, do magic */ |
2038 | time_update (EV_A_ waittime + sleeptime); |
2180 | time_update (EV_A_ waittime + sleeptime); |
2039 | } |
2181 | } |
… | |
… | |
2051 | |
2193 | |
2052 | /* queue check watchers, to be executed first */ |
2194 | /* queue check watchers, to be executed first */ |
2053 | if (expect_false (checkcnt)) |
2195 | if (expect_false (checkcnt)) |
2054 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2196 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2055 | |
2197 | |
2056 | call_pending (EV_A); |
2198 | EV_INVOKE_PENDING; |
2057 | } |
2199 | } |
2058 | while (expect_true ( |
2200 | while (expect_true ( |
2059 | activecnt |
2201 | activecnt |
2060 | && !loop_done |
2202 | && !loop_done |
2061 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2203 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2062 | )); |
2204 | )); |
2063 | |
2205 | |
2064 | if (loop_done == EVUNLOOP_ONE) |
2206 | if (loop_done == EVUNLOOP_ONE) |
2065 | loop_done = EVUNLOOP_CANCEL; |
2207 | loop_done = EVUNLOOP_CANCEL; |
|
|
2208 | |
|
|
2209 | #if EV_MINIMAL < 2 |
|
|
2210 | --loop_depth; |
|
|
2211 | #endif |
2066 | } |
2212 | } |
2067 | |
2213 | |
2068 | void |
2214 | void |
2069 | ev_unloop (EV_P_ int how) |
2215 | ev_unloop (EV_P_ int how) |
2070 | { |
2216 | { |
2071 | loop_done = how; |
2217 | loop_done = how; |
2072 | } |
2218 | } |
2073 | |
2219 | |
|
|
2220 | void |
|
|
2221 | ev_ref (EV_P) |
|
|
2222 | { |
|
|
2223 | ++activecnt; |
|
|
2224 | } |
|
|
2225 | |
|
|
2226 | void |
|
|
2227 | ev_unref (EV_P) |
|
|
2228 | { |
|
|
2229 | --activecnt; |
|
|
2230 | } |
|
|
2231 | |
|
|
2232 | void |
|
|
2233 | ev_now_update (EV_P) |
|
|
2234 | { |
|
|
2235 | time_update (EV_A_ 1e100); |
|
|
2236 | } |
|
|
2237 | |
|
|
2238 | void |
|
|
2239 | ev_suspend (EV_P) |
|
|
2240 | { |
|
|
2241 | ev_now_update (EV_A); |
|
|
2242 | } |
|
|
2243 | |
|
|
2244 | void |
|
|
2245 | ev_resume (EV_P) |
|
|
2246 | { |
|
|
2247 | ev_tstamp mn_prev = mn_now; |
|
|
2248 | |
|
|
2249 | ev_now_update (EV_A); |
|
|
2250 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2251 | #if EV_PERIODIC_ENABLE |
|
|
2252 | /* TODO: really do this? */ |
|
|
2253 | periodics_reschedule (EV_A); |
|
|
2254 | #endif |
|
|
2255 | } |
|
|
2256 | |
2074 | /*****************************************************************************/ |
2257 | /*****************************************************************************/ |
|
|
2258 | /* singly-linked list management, used when the expected list length is short */ |
2075 | |
2259 | |
2076 | void inline_size |
2260 | inline_size void |
2077 | wlist_add (WL *head, WL elem) |
2261 | wlist_add (WL *head, WL elem) |
2078 | { |
2262 | { |
2079 | elem->next = *head; |
2263 | elem->next = *head; |
2080 | *head = elem; |
2264 | *head = elem; |
2081 | } |
2265 | } |
2082 | |
2266 | |
2083 | void inline_size |
2267 | inline_size void |
2084 | wlist_del (WL *head, WL elem) |
2268 | wlist_del (WL *head, WL elem) |
2085 | { |
2269 | { |
2086 | while (*head) |
2270 | while (*head) |
2087 | { |
2271 | { |
2088 | if (*head == elem) |
2272 | if (*head == elem) |
… | |
… | |
2093 | |
2277 | |
2094 | head = &(*head)->next; |
2278 | head = &(*head)->next; |
2095 | } |
2279 | } |
2096 | } |
2280 | } |
2097 | |
2281 | |
2098 | void inline_speed |
2282 | /* internal, faster, version of ev_clear_pending */ |
|
|
2283 | inline_speed void |
2099 | clear_pending (EV_P_ W w) |
2284 | clear_pending (EV_P_ W w) |
2100 | { |
2285 | { |
2101 | if (w->pending) |
2286 | if (w->pending) |
2102 | { |
2287 | { |
2103 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2288 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2104 | w->pending = 0; |
2289 | w->pending = 0; |
2105 | } |
2290 | } |
2106 | } |
2291 | } |
2107 | |
2292 | |
2108 | int |
2293 | int |
… | |
… | |
2112 | int pending = w_->pending; |
2297 | int pending = w_->pending; |
2113 | |
2298 | |
2114 | if (expect_true (pending)) |
2299 | if (expect_true (pending)) |
2115 | { |
2300 | { |
2116 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2301 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2302 | p->w = (W)&pending_w; |
2117 | w_->pending = 0; |
2303 | w_->pending = 0; |
2118 | p->w = 0; |
|
|
2119 | return p->events; |
2304 | return p->events; |
2120 | } |
2305 | } |
2121 | else |
2306 | else |
2122 | return 0; |
2307 | return 0; |
2123 | } |
2308 | } |
2124 | |
2309 | |
2125 | void inline_size |
2310 | inline_size void |
2126 | pri_adjust (EV_P_ W w) |
2311 | pri_adjust (EV_P_ W w) |
2127 | { |
2312 | { |
2128 | int pri = w->priority; |
2313 | int pri = ev_priority (w); |
2129 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2314 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2130 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2315 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2131 | w->priority = pri; |
2316 | ev_set_priority (w, pri); |
2132 | } |
2317 | } |
2133 | |
2318 | |
2134 | void inline_speed |
2319 | inline_speed void |
2135 | ev_start (EV_P_ W w, int active) |
2320 | ev_start (EV_P_ W w, int active) |
2136 | { |
2321 | { |
2137 | pri_adjust (EV_A_ w); |
2322 | pri_adjust (EV_A_ w); |
2138 | w->active = active; |
2323 | w->active = active; |
2139 | ev_ref (EV_A); |
2324 | ev_ref (EV_A); |
2140 | } |
2325 | } |
2141 | |
2326 | |
2142 | void inline_size |
2327 | inline_size void |
2143 | ev_stop (EV_P_ W w) |
2328 | ev_stop (EV_P_ W w) |
2144 | { |
2329 | { |
2145 | ev_unref (EV_A); |
2330 | ev_unref (EV_A); |
2146 | w->active = 0; |
2331 | w->active = 0; |
2147 | } |
2332 | } |
… | |
… | |
2155 | |
2340 | |
2156 | if (expect_false (ev_is_active (w))) |
2341 | if (expect_false (ev_is_active (w))) |
2157 | return; |
2342 | return; |
2158 | |
2343 | |
2159 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2344 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2160 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2345 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2161 | |
2346 | |
2162 | EV_FREQUENT_CHECK; |
2347 | EV_FREQUENT_CHECK; |
2163 | |
2348 | |
2164 | ev_start (EV_A_ (W)w, 1); |
2349 | ev_start (EV_A_ (W)w, 1); |
2165 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2350 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2166 | wlist_add (&anfds[fd].head, (WL)w); |
2351 | wlist_add (&anfds[fd].head, (WL)w); |
2167 | |
2352 | |
2168 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2353 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2169 | w->events &= ~EV_IOFDSET; |
2354 | w->events &= ~EV__IOFDSET; |
2170 | |
2355 | |
2171 | EV_FREQUENT_CHECK; |
2356 | EV_FREQUENT_CHECK; |
2172 | } |
2357 | } |
2173 | |
2358 | |
2174 | void noinline |
2359 | void noinline |
… | |
… | |
2572 | |
2757 | |
2573 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2758 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2574 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2759 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2575 | } |
2760 | } |
2576 | |
2761 | |
2577 | void inline_size |
2762 | inline_size void |
2578 | check_2625 (EV_P) |
2763 | check_2625 (EV_P) |
2579 | { |
2764 | { |
2580 | /* kernels < 2.6.25 are borked |
2765 | /* kernels < 2.6.25 are borked |
2581 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2766 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2582 | */ |
2767 | */ |
… | |
… | |
2595 | return; |
2780 | return; |
2596 | |
2781 | |
2597 | fs_2625 = 1; |
2782 | fs_2625 = 1; |
2598 | } |
2783 | } |
2599 | |
2784 | |
2600 | void inline_size |
2785 | inline_size void |
2601 | infy_init (EV_P) |
2786 | infy_init (EV_P) |
2602 | { |
2787 | { |
2603 | if (fs_fd != -2) |
2788 | if (fs_fd != -2) |
2604 | return; |
2789 | return; |
2605 | |
2790 | |
… | |
… | |
2615 | ev_set_priority (&fs_w, EV_MAXPRI); |
2800 | ev_set_priority (&fs_w, EV_MAXPRI); |
2616 | ev_io_start (EV_A_ &fs_w); |
2801 | ev_io_start (EV_A_ &fs_w); |
2617 | } |
2802 | } |
2618 | } |
2803 | } |
2619 | |
2804 | |
2620 | void inline_size |
2805 | inline_size void |
2621 | infy_fork (EV_P) |
2806 | infy_fork (EV_P) |
2622 | { |
2807 | { |
2623 | int slot; |
2808 | int slot; |
2624 | |
2809 | |
2625 | if (fs_fd < 0) |
2810 | if (fs_fd < 0) |
… | |
… | |
3127 | ev_timer_set (&once->to, timeout, 0.); |
3312 | ev_timer_set (&once->to, timeout, 0.); |
3128 | ev_timer_start (EV_A_ &once->to); |
3313 | ev_timer_start (EV_A_ &once->to); |
3129 | } |
3314 | } |
3130 | } |
3315 | } |
3131 | |
3316 | |
|
|
3317 | /*****************************************************************************/ |
|
|
3318 | |
|
|
3319 | #if EV_WALK_ENABLE |
|
|
3320 | void |
|
|
3321 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3322 | { |
|
|
3323 | int i, j; |
|
|
3324 | ev_watcher_list *wl, *wn; |
|
|
3325 | |
|
|
3326 | if (types & (EV_IO | EV_EMBED)) |
|
|
3327 | for (i = 0; i < anfdmax; ++i) |
|
|
3328 | for (wl = anfds [i].head; wl; ) |
|
|
3329 | { |
|
|
3330 | wn = wl->next; |
|
|
3331 | |
|
|
3332 | #if EV_EMBED_ENABLE |
|
|
3333 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3334 | { |
|
|
3335 | if (types & EV_EMBED) |
|
|
3336 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3337 | } |
|
|
3338 | else |
|
|
3339 | #endif |
|
|
3340 | #if EV_USE_INOTIFY |
|
|
3341 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3342 | ; |
|
|
3343 | else |
|
|
3344 | #endif |
|
|
3345 | if ((ev_io *)wl != &pipe_w) |
|
|
3346 | if (types & EV_IO) |
|
|
3347 | cb (EV_A_ EV_IO, wl); |
|
|
3348 | |
|
|
3349 | wl = wn; |
|
|
3350 | } |
|
|
3351 | |
|
|
3352 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3353 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3354 | #if EV_STAT_ENABLE |
|
|
3355 | /*TODO: timer is not always active*/ |
|
|
3356 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3357 | { |
|
|
3358 | if (types & EV_STAT) |
|
|
3359 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3360 | } |
|
|
3361 | else |
|
|
3362 | #endif |
|
|
3363 | if (types & EV_TIMER) |
|
|
3364 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3365 | |
|
|
3366 | #if EV_PERIODIC_ENABLE |
|
|
3367 | if (types & EV_PERIODIC) |
|
|
3368 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3369 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3370 | #endif |
|
|
3371 | |
|
|
3372 | #if EV_IDLE_ENABLE |
|
|
3373 | if (types & EV_IDLE) |
|
|
3374 | for (j = NUMPRI; i--; ) |
|
|
3375 | for (i = idlecnt [j]; i--; ) |
|
|
3376 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3377 | #endif |
|
|
3378 | |
|
|
3379 | #if EV_FORK_ENABLE |
|
|
3380 | if (types & EV_FORK) |
|
|
3381 | for (i = forkcnt; i--; ) |
|
|
3382 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3383 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3384 | #endif |
|
|
3385 | |
|
|
3386 | #if EV_ASYNC_ENABLE |
|
|
3387 | if (types & EV_ASYNC) |
|
|
3388 | for (i = asynccnt; i--; ) |
|
|
3389 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3390 | #endif |
|
|
3391 | |
|
|
3392 | if (types & EV_PREPARE) |
|
|
3393 | for (i = preparecnt; i--; ) |
|
|
3394 | #if EV_EMBED_ENABLE |
|
|
3395 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3396 | #endif |
|
|
3397 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3398 | |
|
|
3399 | if (types & EV_CHECK) |
|
|
3400 | for (i = checkcnt; i--; ) |
|
|
3401 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3402 | |
|
|
3403 | if (types & EV_SIGNAL) |
|
|
3404 | for (i = 0; i < signalmax; ++i) |
|
|
3405 | for (wl = signals [i].head; wl; ) |
|
|
3406 | { |
|
|
3407 | wn = wl->next; |
|
|
3408 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3409 | wl = wn; |
|
|
3410 | } |
|
|
3411 | |
|
|
3412 | if (types & EV_CHILD) |
|
|
3413 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3414 | for (wl = childs [i]; wl; ) |
|
|
3415 | { |
|
|
3416 | wn = wl->next; |
|
|
3417 | cb (EV_A_ EV_CHILD, wl); |
|
|
3418 | wl = wn; |
|
|
3419 | } |
|
|
3420 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3421 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3422 | } |
|
|
3423 | #endif |
|
|
3424 | |
3132 | #if EV_MULTIPLICITY |
3425 | #if EV_MULTIPLICITY |
3133 | #include "ev_wrap.h" |
3426 | #include "ev_wrap.h" |
3134 | #endif |
3427 | #endif |
3135 | |
3428 | |
3136 | #ifdef __cplusplus |
3429 | #ifdef __cplusplus |