1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
47 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
48 | # else |
48 | # else |
49 | # include "config.h" |
49 | # include "config.h" |
50 | # endif |
50 | # endif |
51 | |
51 | |
|
|
52 | # if HAVE_CLOCK_SYSCALL |
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|
53 | # ifndef EV_USE_CLOCK_SYSCALL |
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|
54 | # define EV_USE_CLOCK_SYSCALL 1 |
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|
55 | # ifndef EV_USE_REALTIME |
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|
56 | # define EV_USE_REALTIME 0 |
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|
57 | # endif |
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|
58 | # ifndef EV_USE_MONOTONIC |
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|
59 | # define EV_USE_MONOTONIC 1 |
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60 | # endif |
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|
61 | # endif |
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62 | # endif |
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|
63 | |
52 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
53 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
54 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
55 | # endif |
67 | # endif |
56 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
57 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
58 | # endif |
70 | # endif |
59 | # else |
71 | # else |
60 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
62 | # endif |
74 | # endif |
… | |
… | |
164 | # endif |
176 | # endif |
165 | #endif |
177 | #endif |
166 | |
178 | |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
168 | |
180 | |
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|
181 | #ifndef EV_USE_CLOCK_SYSCALL |
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182 | # if __linux && __GLIBC__ >= 2 |
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|
183 | # define EV_USE_CLOCK_SYSCALL 1 |
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184 | # else |
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185 | # define EV_USE_CLOCK_SYSCALL 0 |
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186 | # endif |
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|
187 | #endif |
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|
188 | |
169 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
171 | # define EV_USE_MONOTONIC 1 |
191 | # define EV_USE_MONOTONIC 1 |
172 | # else |
192 | # else |
173 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
174 | # endif |
194 | # endif |
175 | #endif |
195 | #endif |
176 | |
196 | |
177 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
178 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
179 | #endif |
199 | #endif |
180 | |
200 | |
181 | #ifndef EV_USE_NANOSLEEP |
201 | #ifndef EV_USE_NANOSLEEP |
182 | # if _POSIX_C_SOURCE >= 199309L |
202 | # if _POSIX_C_SOURCE >= 199309L |
183 | # define EV_USE_NANOSLEEP 1 |
203 | # define EV_USE_NANOSLEEP 1 |
… | |
… | |
287 | # endif |
307 | # endif |
288 | #endif |
308 | #endif |
289 | |
309 | |
290 | #if EV_USE_INOTIFY |
310 | #if EV_USE_INOTIFY |
291 | # include <sys/utsname.h> |
311 | # include <sys/utsname.h> |
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|
312 | # include <sys/statfs.h> |
292 | # include <sys/inotify.h> |
313 | # include <sys/inotify.h> |
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
294 | # ifndef IN_DONT_FOLLOW |
315 | # ifndef IN_DONT_FOLLOW |
295 | # undef EV_USE_INOTIFY |
316 | # undef EV_USE_INOTIFY |
296 | # define EV_USE_INOTIFY 0 |
317 | # define EV_USE_INOTIFY 0 |
297 | # endif |
318 | # endif |
298 | #endif |
319 | #endif |
299 | |
320 | |
300 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
301 | # include <winsock.h> |
322 | # include <winsock.h> |
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|
323 | #endif |
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|
324 | |
|
|
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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|
326 | /* which makes programs even slower. might work on other unices, too. */ |
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327 | #if EV_USE_CLOCK_SYSCALL |
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|
328 | # include <syscall.h> |
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|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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|
330 | # undef EV_USE_MONOTONIC |
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331 | # define EV_USE_MONOTONIC 1 |
302 | #endif |
332 | #endif |
303 | |
333 | |
304 | #if EV_USE_EVENTFD |
334 | #if EV_USE_EVENTFD |
305 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
306 | # include <stdint.h> |
336 | # include <stdint.h> |
… | |
… | |
367 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
368 | |
398 | |
369 | #define ev_active(w) ((W)(w))->active |
399 | #define ev_active(w) ((W)(w))->active |
370 | #define ev_at(w) ((WT)(w))->at |
400 | #define ev_at(w) ((WT)(w))->at |
371 | |
401 | |
372 | #if EV_USE_MONOTONIC |
402 | #if EV_USE_REALTIME |
373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
374 | /* giving it a reasonably high chance of working on typical architetcures */ |
404 | /* giving it a reasonably high chance of working on typical architetcures */ |
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|
405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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406 | #endif |
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407 | |
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408 | #if EV_USE_MONOTONIC |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
376 | #endif |
410 | #endif |
377 | |
411 | |
378 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
379 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
… | |
… | |
444 | #define ev_malloc(size) ev_realloc (0, (size)) |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
445 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
446 | |
480 | |
447 | /*****************************************************************************/ |
481 | /*****************************************************************************/ |
448 | |
482 | |
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|
483 | /* file descriptor info structure */ |
449 | typedef struct |
484 | typedef struct |
450 | { |
485 | { |
451 | WL head; |
486 | WL head; |
452 | unsigned char events; |
487 | unsigned char events; /* the events watched for */ |
453 | unsigned char reify; |
488 | unsigned char reify; /* flag set when this ANFD needs reification */ |
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
489 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
455 | unsigned char unused; |
490 | unsigned char unused; |
456 | #if EV_USE_EPOLL |
491 | #if EV_USE_EPOLL |
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
492 | unsigned int egen; /* generation counter to counter epoll bugs */ |
458 | #endif |
493 | #endif |
459 | #if EV_SELECT_IS_WINSOCKET |
494 | #if EV_SELECT_IS_WINSOCKET |
460 | SOCKET handle; |
495 | SOCKET handle; |
461 | #endif |
496 | #endif |
462 | } ANFD; |
497 | } ANFD; |
463 | |
498 | |
|
|
499 | /* stores the pending event set for a given watcher */ |
464 | typedef struct |
500 | typedef struct |
465 | { |
501 | { |
466 | W w; |
502 | W w; |
467 | int events; |
503 | int events; /* the pending event set for the given watcher */ |
468 | } ANPENDING; |
504 | } ANPENDING; |
469 | |
505 | |
470 | #if EV_USE_INOTIFY |
506 | #if EV_USE_INOTIFY |
471 | /* hash table entry per inotify-id */ |
507 | /* hash table entry per inotify-id */ |
472 | typedef struct |
508 | typedef struct |
… | |
… | |
475 | } ANFS; |
511 | } ANFS; |
476 | #endif |
512 | #endif |
477 | |
513 | |
478 | /* Heap Entry */ |
514 | /* Heap Entry */ |
479 | #if EV_HEAP_CACHE_AT |
515 | #if EV_HEAP_CACHE_AT |
|
|
516 | /* a heap element */ |
480 | typedef struct { |
517 | typedef struct { |
481 | ev_tstamp at; |
518 | ev_tstamp at; |
482 | WT w; |
519 | WT w; |
483 | } ANHE; |
520 | } ANHE; |
484 | |
521 | |
485 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
522 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
486 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
523 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
487 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
524 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
488 | #else |
525 | #else |
|
|
526 | /* a heap element */ |
489 | typedef WT ANHE; |
527 | typedef WT ANHE; |
490 | |
528 | |
491 | #define ANHE_w(he) (he) |
529 | #define ANHE_w(he) (he) |
492 | #define ANHE_at(he) (he)->at |
530 | #define ANHE_at(he) (he)->at |
493 | #define ANHE_at_cache(he) |
531 | #define ANHE_at_cache(he) |
… | |
… | |
523 | |
561 | |
524 | ev_tstamp |
562 | ev_tstamp |
525 | ev_time (void) |
563 | ev_time (void) |
526 | { |
564 | { |
527 | #if EV_USE_REALTIME |
565 | #if EV_USE_REALTIME |
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566 | if (expect_true (have_realtime)) |
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|
567 | { |
528 | struct timespec ts; |
568 | struct timespec ts; |
529 | clock_gettime (CLOCK_REALTIME, &ts); |
569 | clock_gettime (CLOCK_REALTIME, &ts); |
530 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
570 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
531 | #else |
571 | } |
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|
572 | #endif |
|
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573 | |
532 | struct timeval tv; |
574 | struct timeval tv; |
533 | gettimeofday (&tv, 0); |
575 | gettimeofday (&tv, 0); |
534 | return tv.tv_sec + tv.tv_usec * 1e-6; |
576 | return tv.tv_sec + tv.tv_usec * 1e-6; |
535 | #endif |
|
|
536 | } |
577 | } |
537 | |
578 | |
538 | ev_tstamp inline_size |
579 | inline_size ev_tstamp |
539 | get_clock (void) |
580 | get_clock (void) |
540 | { |
581 | { |
541 | #if EV_USE_MONOTONIC |
582 | #if EV_USE_MONOTONIC |
542 | if (expect_true (have_monotonic)) |
583 | if (expect_true (have_monotonic)) |
543 | { |
584 | { |
… | |
… | |
588 | |
629 | |
589 | /*****************************************************************************/ |
630 | /*****************************************************************************/ |
590 | |
631 | |
591 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
632 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
592 | |
633 | |
593 | int inline_size |
634 | /* find a suitable new size for the given array, */ |
|
|
635 | /* hopefully by rounding to a ncie-to-malloc size */ |
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|
636 | inline_size int |
594 | array_nextsize (int elem, int cur, int cnt) |
637 | array_nextsize (int elem, int cur, int cnt) |
595 | { |
638 | { |
596 | int ncur = cur + 1; |
639 | int ncur = cur + 1; |
597 | |
640 | |
598 | do |
641 | do |
… | |
… | |
639 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
682 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
640 | } |
683 | } |
641 | #endif |
684 | #endif |
642 | |
685 | |
643 | #define array_free(stem, idx) \ |
686 | #define array_free(stem, idx) \ |
644 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
687 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
645 | |
688 | |
646 | /*****************************************************************************/ |
689 | /*****************************************************************************/ |
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690 | |
|
|
691 | /* dummy callback for pending events */ |
|
|
692 | static void noinline |
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|
693 | pendingcb (EV_P_ ev_prepare *w, int revents) |
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|
694 | { |
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|
695 | } |
647 | |
696 | |
648 | void noinline |
697 | void noinline |
649 | ev_feed_event (EV_P_ void *w, int revents) |
698 | ev_feed_event (EV_P_ void *w, int revents) |
650 | { |
699 | { |
651 | W w_ = (W)w; |
700 | W w_ = (W)w; |
… | |
… | |
660 | pendings [pri][w_->pending - 1].w = w_; |
709 | pendings [pri][w_->pending - 1].w = w_; |
661 | pendings [pri][w_->pending - 1].events = revents; |
710 | pendings [pri][w_->pending - 1].events = revents; |
662 | } |
711 | } |
663 | } |
712 | } |
664 | |
713 | |
665 | void inline_speed |
714 | inline_speed void |
|
|
715 | feed_reverse (EV_P_ W w) |
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|
716 | { |
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717 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
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718 | rfeeds [rfeedcnt++] = w; |
|
|
719 | } |
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720 | |
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|
721 | inline_size void |
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|
722 | feed_reverse_done (EV_P_ int revents) |
|
|
723 | { |
|
|
724 | do |
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|
725 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
726 | while (rfeedcnt); |
|
|
727 | } |
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728 | |
|
|
729 | inline_speed void |
666 | queue_events (EV_P_ W *events, int eventcnt, int type) |
730 | queue_events (EV_P_ W *events, int eventcnt, int type) |
667 | { |
731 | { |
668 | int i; |
732 | int i; |
669 | |
733 | |
670 | for (i = 0; i < eventcnt; ++i) |
734 | for (i = 0; i < eventcnt; ++i) |
671 | ev_feed_event (EV_A_ events [i], type); |
735 | ev_feed_event (EV_A_ events [i], type); |
672 | } |
736 | } |
673 | |
737 | |
674 | /*****************************************************************************/ |
738 | /*****************************************************************************/ |
675 | |
739 | |
676 | void inline_speed |
740 | inline_speed void |
677 | fd_event (EV_P_ int fd, int revents) |
741 | fd_event (EV_P_ int fd, int revents) |
678 | { |
742 | { |
679 | ANFD *anfd = anfds + fd; |
743 | ANFD *anfd = anfds + fd; |
680 | ev_io *w; |
744 | ev_io *w; |
681 | |
745 | |
… | |
… | |
693 | { |
757 | { |
694 | if (fd >= 0 && fd < anfdmax) |
758 | if (fd >= 0 && fd < anfdmax) |
695 | fd_event (EV_A_ fd, revents); |
759 | fd_event (EV_A_ fd, revents); |
696 | } |
760 | } |
697 | |
761 | |
698 | void inline_size |
762 | /* make sure the external fd watch events are in-sync */ |
|
|
763 | /* with the kernel/libev internal state */ |
|
|
764 | inline_size void |
699 | fd_reify (EV_P) |
765 | fd_reify (EV_P) |
700 | { |
766 | { |
701 | int i; |
767 | int i; |
702 | |
768 | |
703 | for (i = 0; i < fdchangecnt; ++i) |
769 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
784 | #ifdef EV_FD_TO_WIN32_HANDLE |
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
785 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
720 | #else |
786 | #else |
721 | anfd->handle = _get_osfhandle (fd); |
787 | anfd->handle = _get_osfhandle (fd); |
722 | #endif |
788 | #endif |
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
789 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
724 | } |
790 | } |
725 | #endif |
791 | #endif |
726 | |
792 | |
727 | { |
793 | { |
728 | unsigned char o_events = anfd->events; |
794 | unsigned char o_events = anfd->events; |
729 | unsigned char o_reify = anfd->reify; |
795 | unsigned char o_reify = anfd->reify; |
730 | |
796 | |
731 | anfd->reify = 0; |
797 | anfd->reify = 0; |
732 | anfd->events = events; |
798 | anfd->events = events; |
733 | |
799 | |
734 | if (o_events != events || o_reify & EV_IOFDSET) |
800 | if (o_events != events || o_reify & EV__IOFDSET) |
735 | backend_modify (EV_A_ fd, o_events, events); |
801 | backend_modify (EV_A_ fd, o_events, events); |
736 | } |
802 | } |
737 | } |
803 | } |
738 | |
804 | |
739 | fdchangecnt = 0; |
805 | fdchangecnt = 0; |
740 | } |
806 | } |
741 | |
807 | |
742 | void inline_size |
808 | /* something about the given fd changed */ |
|
|
809 | inline_size void |
743 | fd_change (EV_P_ int fd, int flags) |
810 | fd_change (EV_P_ int fd, int flags) |
744 | { |
811 | { |
745 | unsigned char reify = anfds [fd].reify; |
812 | unsigned char reify = anfds [fd].reify; |
746 | anfds [fd].reify |= flags; |
813 | anfds [fd].reify |= flags; |
747 | |
814 | |
… | |
… | |
751 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
818 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
752 | fdchanges [fdchangecnt - 1] = fd; |
819 | fdchanges [fdchangecnt - 1] = fd; |
753 | } |
820 | } |
754 | } |
821 | } |
755 | |
822 | |
756 | void inline_speed |
823 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
824 | inline_speed void |
757 | fd_kill (EV_P_ int fd) |
825 | fd_kill (EV_P_ int fd) |
758 | { |
826 | { |
759 | ev_io *w; |
827 | ev_io *w; |
760 | |
828 | |
761 | while ((w = (ev_io *)anfds [fd].head)) |
829 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
763 | ev_io_stop (EV_A_ w); |
831 | ev_io_stop (EV_A_ w); |
764 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
832 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
765 | } |
833 | } |
766 | } |
834 | } |
767 | |
835 | |
768 | int inline_size |
836 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
837 | inline_size int |
769 | fd_valid (int fd) |
838 | fd_valid (int fd) |
770 | { |
839 | { |
771 | #ifdef _WIN32 |
840 | #ifdef _WIN32 |
772 | return _get_osfhandle (fd) != -1; |
841 | return _get_osfhandle (fd) != -1; |
773 | #else |
842 | #else |
… | |
… | |
810 | for (fd = 0; fd < anfdmax; ++fd) |
879 | for (fd = 0; fd < anfdmax; ++fd) |
811 | if (anfds [fd].events) |
880 | if (anfds [fd].events) |
812 | { |
881 | { |
813 | anfds [fd].events = 0; |
882 | anfds [fd].events = 0; |
814 | anfds [fd].emask = 0; |
883 | anfds [fd].emask = 0; |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
884 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
816 | } |
885 | } |
817 | } |
886 | } |
818 | |
887 | |
819 | /*****************************************************************************/ |
888 | /*****************************************************************************/ |
820 | |
889 | |
… | |
… | |
836 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
905 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
837 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
906 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
838 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
907 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
839 | |
908 | |
840 | /* away from the root */ |
909 | /* away from the root */ |
841 | void inline_speed |
910 | inline_speed void |
842 | downheap (ANHE *heap, int N, int k) |
911 | downheap (ANHE *heap, int N, int k) |
843 | { |
912 | { |
844 | ANHE he = heap [k]; |
913 | ANHE he = heap [k]; |
845 | ANHE *E = heap + N + HEAP0; |
914 | ANHE *E = heap + N + HEAP0; |
846 | |
915 | |
… | |
… | |
886 | #define HEAP0 1 |
955 | #define HEAP0 1 |
887 | #define HPARENT(k) ((k) >> 1) |
956 | #define HPARENT(k) ((k) >> 1) |
888 | #define UPHEAP_DONE(p,k) (!(p)) |
957 | #define UPHEAP_DONE(p,k) (!(p)) |
889 | |
958 | |
890 | /* away from the root */ |
959 | /* away from the root */ |
891 | void inline_speed |
960 | inline_speed void |
892 | downheap (ANHE *heap, int N, int k) |
961 | downheap (ANHE *heap, int N, int k) |
893 | { |
962 | { |
894 | ANHE he = heap [k]; |
963 | ANHE he = heap [k]; |
895 | |
964 | |
896 | for (;;) |
965 | for (;;) |
… | |
… | |
916 | ev_active (ANHE_w (he)) = k; |
985 | ev_active (ANHE_w (he)) = k; |
917 | } |
986 | } |
918 | #endif |
987 | #endif |
919 | |
988 | |
920 | /* towards the root */ |
989 | /* towards the root */ |
921 | void inline_speed |
990 | inline_speed void |
922 | upheap (ANHE *heap, int k) |
991 | upheap (ANHE *heap, int k) |
923 | { |
992 | { |
924 | ANHE he = heap [k]; |
993 | ANHE he = heap [k]; |
925 | |
994 | |
926 | for (;;) |
995 | for (;;) |
… | |
… | |
937 | |
1006 | |
938 | heap [k] = he; |
1007 | heap [k] = he; |
939 | ev_active (ANHE_w (he)) = k; |
1008 | ev_active (ANHE_w (he)) = k; |
940 | } |
1009 | } |
941 | |
1010 | |
942 | void inline_size |
1011 | /* move an element suitably so it is in a correct place */ |
|
|
1012 | inline_size void |
943 | adjustheap (ANHE *heap, int N, int k) |
1013 | adjustheap (ANHE *heap, int N, int k) |
944 | { |
1014 | { |
945 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1015 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
946 | upheap (heap, k); |
1016 | upheap (heap, k); |
947 | else |
1017 | else |
948 | downheap (heap, N, k); |
1018 | downheap (heap, N, k); |
949 | } |
1019 | } |
950 | |
1020 | |
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
1021 | /* rebuild the heap: this function is used only once and executed rarely */ |
952 | void inline_size |
1022 | inline_size void |
953 | reheap (ANHE *heap, int N) |
1023 | reheap (ANHE *heap, int N) |
954 | { |
1024 | { |
955 | int i; |
1025 | int i; |
956 | |
1026 | |
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
1027 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
… | |
… | |
960 | upheap (heap, i + HEAP0); |
1030 | upheap (heap, i + HEAP0); |
961 | } |
1031 | } |
962 | |
1032 | |
963 | /*****************************************************************************/ |
1033 | /*****************************************************************************/ |
964 | |
1034 | |
|
|
1035 | /* associate signal watchers to a signal signal */ |
965 | typedef struct |
1036 | typedef struct |
966 | { |
1037 | { |
967 | WL head; |
1038 | WL head; |
968 | EV_ATOMIC_T gotsig; |
1039 | EV_ATOMIC_T gotsig; |
969 | } ANSIG; |
1040 | } ANSIG; |
… | |
… | |
973 | |
1044 | |
974 | static EV_ATOMIC_T gotsig; |
1045 | static EV_ATOMIC_T gotsig; |
975 | |
1046 | |
976 | /*****************************************************************************/ |
1047 | /*****************************************************************************/ |
977 | |
1048 | |
978 | void inline_speed |
1049 | /* used to prepare libev internal fd's */ |
|
|
1050 | /* this is not fork-safe */ |
|
|
1051 | inline_speed void |
979 | fd_intern (int fd) |
1052 | fd_intern (int fd) |
980 | { |
1053 | { |
981 | #ifdef _WIN32 |
1054 | #ifdef _WIN32 |
982 | unsigned long arg = 1; |
1055 | unsigned long arg = 1; |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1056 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
988 | } |
1061 | } |
989 | |
1062 | |
990 | static void noinline |
1063 | static void noinline |
991 | evpipe_init (EV_P) |
1064 | evpipe_init (EV_P) |
992 | { |
1065 | { |
993 | if (!ev_is_active (&pipeev)) |
1066 | if (!ev_is_active (&pipe_w)) |
994 | { |
1067 | { |
995 | #if EV_USE_EVENTFD |
1068 | #if EV_USE_EVENTFD |
996 | if ((evfd = eventfd (0, 0)) >= 0) |
1069 | if ((evfd = eventfd (0, 0)) >= 0) |
997 | { |
1070 | { |
998 | evpipe [0] = -1; |
1071 | evpipe [0] = -1; |
999 | fd_intern (evfd); |
1072 | fd_intern (evfd); |
1000 | ev_io_set (&pipeev, evfd, EV_READ); |
1073 | ev_io_set (&pipe_w, evfd, EV_READ); |
1001 | } |
1074 | } |
1002 | else |
1075 | else |
1003 | #endif |
1076 | #endif |
1004 | { |
1077 | { |
1005 | while (pipe (evpipe)) |
1078 | while (pipe (evpipe)) |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
1079 | ev_syserr ("(libev) error creating signal/async pipe"); |
1007 | |
1080 | |
1008 | fd_intern (evpipe [0]); |
1081 | fd_intern (evpipe [0]); |
1009 | fd_intern (evpipe [1]); |
1082 | fd_intern (evpipe [1]); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1083 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
1011 | } |
1084 | } |
1012 | |
1085 | |
1013 | ev_io_start (EV_A_ &pipeev); |
1086 | ev_io_start (EV_A_ &pipe_w); |
1014 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1087 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
1015 | } |
1088 | } |
1016 | } |
1089 | } |
1017 | |
1090 | |
1018 | void inline_size |
1091 | inline_size void |
1019 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1092 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1020 | { |
1093 | { |
1021 | if (!*flag) |
1094 | if (!*flag) |
1022 | { |
1095 | { |
1023 | int old_errno = errno; /* save errno because write might clobber it */ |
1096 | int old_errno = errno; /* save errno because write might clobber it */ |
… | |
… | |
1036 | |
1109 | |
1037 | errno = old_errno; |
1110 | errno = old_errno; |
1038 | } |
1111 | } |
1039 | } |
1112 | } |
1040 | |
1113 | |
|
|
1114 | /* called whenever the libev signal pipe */ |
|
|
1115 | /* got some events (signal, async) */ |
1041 | static void |
1116 | static void |
1042 | pipecb (EV_P_ ev_io *iow, int revents) |
1117 | pipecb (EV_P_ ev_io *iow, int revents) |
1043 | { |
1118 | { |
1044 | #if EV_USE_EVENTFD |
1119 | #if EV_USE_EVENTFD |
1045 | if (evfd >= 0) |
1120 | if (evfd >= 0) |
… | |
… | |
1101 | ev_feed_signal_event (EV_P_ int signum) |
1176 | ev_feed_signal_event (EV_P_ int signum) |
1102 | { |
1177 | { |
1103 | WL w; |
1178 | WL w; |
1104 | |
1179 | |
1105 | #if EV_MULTIPLICITY |
1180 | #if EV_MULTIPLICITY |
1106 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1181 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1107 | #endif |
1182 | #endif |
1108 | |
1183 | |
1109 | --signum; |
1184 | --signum; |
1110 | |
1185 | |
1111 | if (signum < 0 || signum >= signalmax) |
1186 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
1127 | |
1202 | |
1128 | #ifndef WIFCONTINUED |
1203 | #ifndef WIFCONTINUED |
1129 | # define WIFCONTINUED(status) 0 |
1204 | # define WIFCONTINUED(status) 0 |
1130 | #endif |
1205 | #endif |
1131 | |
1206 | |
1132 | void inline_speed |
1207 | /* handle a single child status event */ |
|
|
1208 | inline_speed void |
1133 | child_reap (EV_P_ int chain, int pid, int status) |
1209 | child_reap (EV_P_ int chain, int pid, int status) |
1134 | { |
1210 | { |
1135 | ev_child *w; |
1211 | ev_child *w; |
1136 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1212 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
1137 | |
1213 | |
… | |
… | |
1150 | |
1226 | |
1151 | #ifndef WCONTINUED |
1227 | #ifndef WCONTINUED |
1152 | # define WCONTINUED 0 |
1228 | # define WCONTINUED 0 |
1153 | #endif |
1229 | #endif |
1154 | |
1230 | |
|
|
1231 | /* called on sigchld etc., calls waitpid */ |
1155 | static void |
1232 | static void |
1156 | childcb (EV_P_ ev_signal *sw, int revents) |
1233 | childcb (EV_P_ ev_signal *sw, int revents) |
1157 | { |
1234 | { |
1158 | int pid, status; |
1235 | int pid, status; |
1159 | |
1236 | |
… | |
… | |
1240 | /* kqueue is borked on everything but netbsd apparently */ |
1317 | /* kqueue is borked on everything but netbsd apparently */ |
1241 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1318 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1242 | flags &= ~EVBACKEND_KQUEUE; |
1319 | flags &= ~EVBACKEND_KQUEUE; |
1243 | #endif |
1320 | #endif |
1244 | #ifdef __APPLE__ |
1321 | #ifdef __APPLE__ |
1245 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1322 | /* only select works correctly on that "unix-certified" platform */ |
1246 | flags &= ~EVBACKEND_POLL; |
1323 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1324 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1247 | #endif |
1325 | #endif |
1248 | |
1326 | |
1249 | return flags; |
1327 | return flags; |
1250 | } |
1328 | } |
1251 | |
1329 | |
… | |
… | |
1283 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1361 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1284 | { |
1362 | { |
1285 | timeout_blocktime = interval; |
1363 | timeout_blocktime = interval; |
1286 | } |
1364 | } |
1287 | |
1365 | |
|
|
1366 | /* initialise a loop structure, must be zero-initialised */ |
1288 | static void noinline |
1367 | static void noinline |
1289 | loop_init (EV_P_ unsigned int flags) |
1368 | loop_init (EV_P_ unsigned int flags) |
1290 | { |
1369 | { |
1291 | if (!backend) |
1370 | if (!backend) |
1292 | { |
1371 | { |
|
|
1372 | #if EV_USE_REALTIME |
|
|
1373 | if (!have_realtime) |
|
|
1374 | { |
|
|
1375 | struct timespec ts; |
|
|
1376 | |
|
|
1377 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1378 | have_realtime = 1; |
|
|
1379 | } |
|
|
1380 | #endif |
|
|
1381 | |
1293 | #if EV_USE_MONOTONIC |
1382 | #if EV_USE_MONOTONIC |
|
|
1383 | if (!have_monotonic) |
1294 | { |
1384 | { |
1295 | struct timespec ts; |
1385 | struct timespec ts; |
|
|
1386 | |
1296 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1387 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1297 | have_monotonic = 1; |
1388 | have_monotonic = 1; |
1298 | } |
1389 | } |
1299 | #endif |
1390 | #endif |
1300 | |
1391 | |
1301 | ev_rt_now = ev_time (); |
1392 | ev_rt_now = ev_time (); |
1302 | mn_now = get_clock (); |
1393 | mn_now = get_clock (); |
1303 | now_floor = mn_now; |
1394 | now_floor = mn_now; |
… | |
… | |
1340 | #endif |
1431 | #endif |
1341 | #if EV_USE_SELECT |
1432 | #if EV_USE_SELECT |
1342 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1433 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1343 | #endif |
1434 | #endif |
1344 | |
1435 | |
|
|
1436 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1437 | |
1345 | ev_init (&pipeev, pipecb); |
1438 | ev_init (&pipe_w, pipecb); |
1346 | ev_set_priority (&pipeev, EV_MAXPRI); |
1439 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1347 | } |
1440 | } |
1348 | } |
1441 | } |
1349 | |
1442 | |
|
|
1443 | /* free up a loop structure */ |
1350 | static void noinline |
1444 | static void noinline |
1351 | loop_destroy (EV_P) |
1445 | loop_destroy (EV_P) |
1352 | { |
1446 | { |
1353 | int i; |
1447 | int i; |
1354 | |
1448 | |
1355 | if (ev_is_active (&pipeev)) |
1449 | if (ev_is_active (&pipe_w)) |
1356 | { |
1450 | { |
1357 | ev_ref (EV_A); /* signal watcher */ |
1451 | ev_ref (EV_A); /* signal watcher */ |
1358 | ev_io_stop (EV_A_ &pipeev); |
1452 | ev_io_stop (EV_A_ &pipe_w); |
1359 | |
1453 | |
1360 | #if EV_USE_EVENTFD |
1454 | #if EV_USE_EVENTFD |
1361 | if (evfd >= 0) |
1455 | if (evfd >= 0) |
1362 | close (evfd); |
1456 | close (evfd); |
1363 | #endif |
1457 | #endif |
… | |
… | |
1402 | } |
1496 | } |
1403 | |
1497 | |
1404 | ev_free (anfds); anfdmax = 0; |
1498 | ev_free (anfds); anfdmax = 0; |
1405 | |
1499 | |
1406 | /* have to use the microsoft-never-gets-it-right macro */ |
1500 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1501 | array_free (rfeed, EMPTY); |
1407 | array_free (fdchange, EMPTY); |
1502 | array_free (fdchange, EMPTY); |
1408 | array_free (timer, EMPTY); |
1503 | array_free (timer, EMPTY); |
1409 | #if EV_PERIODIC_ENABLE |
1504 | #if EV_PERIODIC_ENABLE |
1410 | array_free (periodic, EMPTY); |
1505 | array_free (periodic, EMPTY); |
1411 | #endif |
1506 | #endif |
… | |
… | |
1420 | |
1515 | |
1421 | backend = 0; |
1516 | backend = 0; |
1422 | } |
1517 | } |
1423 | |
1518 | |
1424 | #if EV_USE_INOTIFY |
1519 | #if EV_USE_INOTIFY |
1425 | void inline_size infy_fork (EV_P); |
1520 | inline_size void infy_fork (EV_P); |
1426 | #endif |
1521 | #endif |
1427 | |
1522 | |
1428 | void inline_size |
1523 | inline_size void |
1429 | loop_fork (EV_P) |
1524 | loop_fork (EV_P) |
1430 | { |
1525 | { |
1431 | #if EV_USE_PORT |
1526 | #if EV_USE_PORT |
1432 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1527 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1433 | #endif |
1528 | #endif |
… | |
… | |
1439 | #endif |
1534 | #endif |
1440 | #if EV_USE_INOTIFY |
1535 | #if EV_USE_INOTIFY |
1441 | infy_fork (EV_A); |
1536 | infy_fork (EV_A); |
1442 | #endif |
1537 | #endif |
1443 | |
1538 | |
1444 | if (ev_is_active (&pipeev)) |
1539 | if (ev_is_active (&pipe_w)) |
1445 | { |
1540 | { |
1446 | /* this "locks" the handlers against writing to the pipe */ |
1541 | /* this "locks" the handlers against writing to the pipe */ |
1447 | /* while we modify the fd vars */ |
1542 | /* while we modify the fd vars */ |
1448 | gotsig = 1; |
1543 | gotsig = 1; |
1449 | #if EV_ASYNC_ENABLE |
1544 | #if EV_ASYNC_ENABLE |
1450 | gotasync = 1; |
1545 | gotasync = 1; |
1451 | #endif |
1546 | #endif |
1452 | |
1547 | |
1453 | ev_ref (EV_A); |
1548 | ev_ref (EV_A); |
1454 | ev_io_stop (EV_A_ &pipeev); |
1549 | ev_io_stop (EV_A_ &pipe_w); |
1455 | |
1550 | |
1456 | #if EV_USE_EVENTFD |
1551 | #if EV_USE_EVENTFD |
1457 | if (evfd >= 0) |
1552 | if (evfd >= 0) |
1458 | close (evfd); |
1553 | close (evfd); |
1459 | #endif |
1554 | #endif |
… | |
… | |
1464 | close (evpipe [1]); |
1559 | close (evpipe [1]); |
1465 | } |
1560 | } |
1466 | |
1561 | |
1467 | evpipe_init (EV_A); |
1562 | evpipe_init (EV_A); |
1468 | /* now iterate over everything, in case we missed something */ |
1563 | /* now iterate over everything, in case we missed something */ |
1469 | pipecb (EV_A_ &pipeev, EV_READ); |
1564 | pipecb (EV_A_ &pipe_w, EV_READ); |
1470 | } |
1565 | } |
1471 | |
1566 | |
1472 | postfork = 0; |
1567 | postfork = 0; |
1473 | } |
1568 | } |
1474 | |
1569 | |
… | |
… | |
1504 | |
1599 | |
1505 | #if EV_VERIFY |
1600 | #if EV_VERIFY |
1506 | static void noinline |
1601 | static void noinline |
1507 | verify_watcher (EV_P_ W w) |
1602 | verify_watcher (EV_P_ W w) |
1508 | { |
1603 | { |
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1604 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1510 | |
1605 | |
1511 | if (w->pending) |
1606 | if (w->pending) |
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1607 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
1513 | } |
1608 | } |
1514 | |
1609 | |
1515 | static void noinline |
1610 | static void noinline |
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
1611 | verify_heap (EV_P_ ANHE *heap, int N) |
1517 | { |
1612 | { |
1518 | int i; |
1613 | int i; |
1519 | |
1614 | |
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
1615 | for (i = HEAP0; i < N + HEAP0; ++i) |
1521 | { |
1616 | { |
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1617 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1618 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1619 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
1525 | |
1620 | |
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1621 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
1527 | } |
1622 | } |
1528 | } |
1623 | } |
1529 | |
1624 | |
1530 | static void noinline |
1625 | static void noinline |
1531 | array_verify (EV_P_ W *ws, int cnt) |
1626 | array_verify (EV_P_ W *ws, int cnt) |
1532 | { |
1627 | { |
1533 | while (cnt--) |
1628 | while (cnt--) |
1534 | { |
1629 | { |
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1630 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1536 | verify_watcher (EV_A_ ws [cnt]); |
1631 | verify_watcher (EV_A_ ws [cnt]); |
1537 | } |
1632 | } |
1538 | } |
1633 | } |
1539 | #endif |
1634 | #endif |
1540 | |
1635 | |
… | |
… | |
1547 | |
1642 | |
1548 | assert (activecnt >= -1); |
1643 | assert (activecnt >= -1); |
1549 | |
1644 | |
1550 | assert (fdchangemax >= fdchangecnt); |
1645 | assert (fdchangemax >= fdchangecnt); |
1551 | for (i = 0; i < fdchangecnt; ++i) |
1646 | for (i = 0; i < fdchangecnt; ++i) |
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
1647 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
1553 | |
1648 | |
1554 | assert (anfdmax >= 0); |
1649 | assert (anfdmax >= 0); |
1555 | for (i = 0; i < anfdmax; ++i) |
1650 | for (i = 0; i < anfdmax; ++i) |
1556 | for (w = anfds [i].head; w; w = w->next) |
1651 | for (w = anfds [i].head; w; w = w->next) |
1557 | { |
1652 | { |
1558 | verify_watcher (EV_A_ (W)w); |
1653 | verify_watcher (EV_A_ (W)w); |
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
1654 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1655 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
1561 | } |
1656 | } |
1562 | |
1657 | |
1563 | assert (timermax >= timercnt); |
1658 | assert (timermax >= timercnt); |
1564 | verify_heap (EV_A_ timers, timercnt); |
1659 | verify_heap (EV_A_ timers, timercnt); |
1565 | |
1660 | |
… | |
… | |
1659 | { |
1754 | { |
1660 | #if EV_MULTIPLICITY |
1755 | #if EV_MULTIPLICITY |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1756 | struct ev_loop *loop = ev_default_loop_ptr; |
1662 | #endif |
1757 | #endif |
1663 | |
1758 | |
1664 | ev_loop_fork (EV_A); |
1759 | postfork = 1; /* must be in line with ev_loop_fork */ |
1665 | } |
1760 | } |
1666 | |
1761 | |
1667 | /*****************************************************************************/ |
1762 | /*****************************************************************************/ |
1668 | |
1763 | |
1669 | void |
1764 | void |
1670 | ev_invoke (EV_P_ void *w, int revents) |
1765 | ev_invoke (EV_P_ void *w, int revents) |
1671 | { |
1766 | { |
1672 | EV_CB_INVOKE ((W)w, revents); |
1767 | EV_CB_INVOKE ((W)w, revents); |
1673 | } |
1768 | } |
1674 | |
1769 | |
1675 | void inline_speed |
1770 | inline_speed void |
1676 | call_pending (EV_P) |
1771 | call_pending (EV_P) |
1677 | { |
1772 | { |
1678 | int pri; |
1773 | int pri; |
1679 | |
1774 | |
1680 | for (pri = NUMPRI; pri--; ) |
1775 | for (pri = NUMPRI; pri--; ) |
1681 | while (pendingcnt [pri]) |
1776 | while (pendingcnt [pri]) |
1682 | { |
1777 | { |
1683 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1778 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1684 | |
1779 | |
1685 | if (expect_true (p->w)) |
|
|
1686 | { |
|
|
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1780 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1781 | /* ^ this is no longer true, as pending_w could be here */ |
1688 | |
1782 | |
1689 | p->w->pending = 0; |
1783 | p->w->pending = 0; |
1690 | EV_CB_INVOKE (p->w, p->events); |
1784 | EV_CB_INVOKE (p->w, p->events); |
1691 | EV_FREQUENT_CHECK; |
1785 | EV_FREQUENT_CHECK; |
1692 | } |
|
|
1693 | } |
1786 | } |
1694 | } |
1787 | } |
1695 | |
1788 | |
1696 | #if EV_IDLE_ENABLE |
1789 | #if EV_IDLE_ENABLE |
1697 | void inline_size |
1790 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1791 | /* only when higher priorities are idle" logic */ |
|
|
1792 | inline_size void |
1698 | idle_reify (EV_P) |
1793 | idle_reify (EV_P) |
1699 | { |
1794 | { |
1700 | if (expect_false (idleall)) |
1795 | if (expect_false (idleall)) |
1701 | { |
1796 | { |
1702 | int pri; |
1797 | int pri; |
… | |
… | |
1714 | } |
1809 | } |
1715 | } |
1810 | } |
1716 | } |
1811 | } |
1717 | #endif |
1812 | #endif |
1718 | |
1813 | |
1719 | void inline_size |
1814 | /* make timers pending */ |
|
|
1815 | inline_size void |
1720 | timers_reify (EV_P) |
1816 | timers_reify (EV_P) |
1721 | { |
1817 | { |
1722 | EV_FREQUENT_CHECK; |
1818 | EV_FREQUENT_CHECK; |
1723 | |
1819 | |
1724 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1820 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1725 | { |
1821 | { |
1726 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
1822 | do |
1727 | |
|
|
1728 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1729 | |
|
|
1730 | /* first reschedule or stop timer */ |
|
|
1731 | if (w->repeat) |
|
|
1732 | { |
1823 | { |
|
|
1824 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1825 | |
|
|
1826 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1827 | |
|
|
1828 | /* first reschedule or stop timer */ |
|
|
1829 | if (w->repeat) |
|
|
1830 | { |
1733 | ev_at (w) += w->repeat; |
1831 | ev_at (w) += w->repeat; |
1734 | if (ev_at (w) < mn_now) |
1832 | if (ev_at (w) < mn_now) |
1735 | ev_at (w) = mn_now; |
1833 | ev_at (w) = mn_now; |
1736 | |
1834 | |
1737 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1835 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1738 | |
1836 | |
1739 | ANHE_at_cache (timers [HEAP0]); |
1837 | ANHE_at_cache (timers [HEAP0]); |
1740 | downheap (timers, timercnt, HEAP0); |
1838 | downheap (timers, timercnt, HEAP0); |
|
|
1839 | } |
|
|
1840 | else |
|
|
1841 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1842 | |
|
|
1843 | EV_FREQUENT_CHECK; |
|
|
1844 | feed_reverse (EV_A_ (W)w); |
1741 | } |
1845 | } |
1742 | else |
1846 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1743 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1744 | |
1847 | |
1745 | EV_FREQUENT_CHECK; |
|
|
1746 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1848 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1747 | } |
1849 | } |
1748 | } |
1850 | } |
1749 | |
1851 | |
1750 | #if EV_PERIODIC_ENABLE |
1852 | #if EV_PERIODIC_ENABLE |
1751 | void inline_size |
1853 | /* make periodics pending */ |
|
|
1854 | inline_size void |
1752 | periodics_reify (EV_P) |
1855 | periodics_reify (EV_P) |
1753 | { |
1856 | { |
1754 | EV_FREQUENT_CHECK; |
1857 | EV_FREQUENT_CHECK; |
1755 | |
1858 | |
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1859 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1757 | { |
1860 | { |
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1861 | int feed_count = 0; |
1759 | |
1862 | |
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1863 | do |
1761 | |
|
|
1762 | /* first reschedule or stop timer */ |
|
|
1763 | if (w->reschedule_cb) |
|
|
1764 | { |
1864 | { |
|
|
1865 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1866 | |
|
|
1867 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1868 | |
|
|
1869 | /* first reschedule or stop timer */ |
|
|
1870 | if (w->reschedule_cb) |
|
|
1871 | { |
1765 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1872 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1766 | |
1873 | |
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1874 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1768 | |
1875 | |
1769 | ANHE_at_cache (periodics [HEAP0]); |
1876 | ANHE_at_cache (periodics [HEAP0]); |
1770 | downheap (periodics, periodiccnt, HEAP0); |
1877 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1878 | } |
|
|
1879 | else if (w->interval) |
|
|
1880 | { |
|
|
1881 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1882 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1883 | /* this might happen because of floating point inexactness */ |
|
|
1884 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1885 | { |
|
|
1886 | ev_at (w) += w->interval; |
|
|
1887 | |
|
|
1888 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1889 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1890 | /* has effectively asked to get triggered more often than possible */ |
|
|
1891 | if (ev_at (w) < ev_rt_now) |
|
|
1892 | ev_at (w) = ev_rt_now; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1896 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1897 | } |
|
|
1898 | else |
|
|
1899 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1900 | |
|
|
1901 | EV_FREQUENT_CHECK; |
|
|
1902 | feed_reverse (EV_A_ (W)w); |
1771 | } |
1903 | } |
1772 | else if (w->interval) |
1904 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1773 | { |
|
|
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1776 | /* this might happen because of floating point inexactness */ |
|
|
1777 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1778 | { |
|
|
1779 | ev_at (w) += w->interval; |
|
|
1780 | |
1905 | |
1781 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1782 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1783 | /* has effectively asked to get triggered more often than possible */ |
|
|
1784 | if (ev_at (w) < ev_rt_now) |
|
|
1785 | ev_at (w) = ev_rt_now; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1789 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1790 | } |
|
|
1791 | else |
|
|
1792 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1793 | |
|
|
1794 | EV_FREQUENT_CHECK; |
|
|
1795 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1906 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1796 | } |
1907 | } |
1797 | } |
1908 | } |
1798 | |
1909 | |
|
|
1910 | /* simply recalculate all periodics */ |
|
|
1911 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1799 | static void noinline |
1912 | static void noinline |
1800 | periodics_reschedule (EV_P) |
1913 | periodics_reschedule (EV_P) |
1801 | { |
1914 | { |
1802 | int i; |
1915 | int i; |
1803 | |
1916 | |
… | |
… | |
1816 | |
1929 | |
1817 | reheap (periodics, periodiccnt); |
1930 | reheap (periodics, periodiccnt); |
1818 | } |
1931 | } |
1819 | #endif |
1932 | #endif |
1820 | |
1933 | |
1821 | void inline_speed |
1934 | /* adjust all timers by a given offset */ |
|
|
1935 | static void noinline |
|
|
1936 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1937 | { |
|
|
1938 | int i; |
|
|
1939 | |
|
|
1940 | for (i = 0; i < timercnt; ++i) |
|
|
1941 | { |
|
|
1942 | ANHE *he = timers + i + HEAP0; |
|
|
1943 | ANHE_w (*he)->at += adjust; |
|
|
1944 | ANHE_at_cache (*he); |
|
|
1945 | } |
|
|
1946 | } |
|
|
1947 | |
|
|
1948 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
1949 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
1950 | inline_speed void |
1822 | time_update (EV_P_ ev_tstamp max_block) |
1951 | time_update (EV_P_ ev_tstamp max_block) |
1823 | { |
1952 | { |
1824 | int i; |
1953 | int i; |
1825 | |
1954 | |
1826 | #if EV_USE_MONOTONIC |
1955 | #if EV_USE_MONOTONIC |
… | |
… | |
1859 | ev_rt_now = ev_time (); |
1988 | ev_rt_now = ev_time (); |
1860 | mn_now = get_clock (); |
1989 | mn_now = get_clock (); |
1861 | now_floor = mn_now; |
1990 | now_floor = mn_now; |
1862 | } |
1991 | } |
1863 | |
1992 | |
|
|
1993 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1994 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1864 | # if EV_PERIODIC_ENABLE |
1995 | # if EV_PERIODIC_ENABLE |
1865 | periodics_reschedule (EV_A); |
1996 | periodics_reschedule (EV_A); |
1866 | # endif |
1997 | # endif |
1867 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1868 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1869 | } |
1998 | } |
1870 | else |
1999 | else |
1871 | #endif |
2000 | #endif |
1872 | { |
2001 | { |
1873 | ev_rt_now = ev_time (); |
2002 | ev_rt_now = ev_time (); |
1874 | |
2003 | |
1875 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2004 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1876 | { |
2005 | { |
|
|
2006 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2007 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1877 | #if EV_PERIODIC_ENABLE |
2008 | #if EV_PERIODIC_ENABLE |
1878 | periodics_reschedule (EV_A); |
2009 | periodics_reschedule (EV_A); |
1879 | #endif |
2010 | #endif |
1880 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1881 | for (i = 0; i < timercnt; ++i) |
|
|
1882 | { |
|
|
1883 | ANHE *he = timers + i + HEAP0; |
|
|
1884 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1885 | ANHE_at_cache (*he); |
|
|
1886 | } |
|
|
1887 | } |
2011 | } |
1888 | |
2012 | |
1889 | mn_now = ev_rt_now; |
2013 | mn_now = ev_rt_now; |
1890 | } |
2014 | } |
1891 | } |
|
|
1892 | |
|
|
1893 | void |
|
|
1894 | ev_ref (EV_P) |
|
|
1895 | { |
|
|
1896 | ++activecnt; |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | ev_unref (EV_P) |
|
|
1901 | { |
|
|
1902 | --activecnt; |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
2015 | } |
1910 | |
2016 | |
1911 | static int loop_done; |
2017 | static int loop_done; |
1912 | |
2018 | |
1913 | void |
2019 | void |
… | |
… | |
1947 | { |
2053 | { |
1948 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2054 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1949 | call_pending (EV_A); |
2055 | call_pending (EV_A); |
1950 | } |
2056 | } |
1951 | |
2057 | |
1952 | if (expect_false (!activecnt)) |
|
|
1953 | break; |
|
|
1954 | |
|
|
1955 | /* we might have forked, so reify kernel state if necessary */ |
2058 | /* we might have forked, so reify kernel state if necessary */ |
1956 | if (expect_false (postfork)) |
2059 | if (expect_false (postfork)) |
1957 | loop_fork (EV_A); |
2060 | loop_fork (EV_A); |
1958 | |
2061 | |
1959 | /* update fd-related kernel structures */ |
2062 | /* update fd-related kernel structures */ |
… | |
… | |
2038 | ev_unloop (EV_P_ int how) |
2141 | ev_unloop (EV_P_ int how) |
2039 | { |
2142 | { |
2040 | loop_done = how; |
2143 | loop_done = how; |
2041 | } |
2144 | } |
2042 | |
2145 | |
|
|
2146 | void |
|
|
2147 | ev_ref (EV_P) |
|
|
2148 | { |
|
|
2149 | ++activecnt; |
|
|
2150 | } |
|
|
2151 | |
|
|
2152 | void |
|
|
2153 | ev_unref (EV_P) |
|
|
2154 | { |
|
|
2155 | --activecnt; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | void |
|
|
2159 | ev_now_update (EV_P) |
|
|
2160 | { |
|
|
2161 | time_update (EV_A_ 1e100); |
|
|
2162 | } |
|
|
2163 | |
|
|
2164 | void |
|
|
2165 | ev_suspend (EV_P) |
|
|
2166 | { |
|
|
2167 | ev_now_update (EV_A); |
|
|
2168 | } |
|
|
2169 | |
|
|
2170 | void |
|
|
2171 | ev_resume (EV_P) |
|
|
2172 | { |
|
|
2173 | ev_tstamp mn_prev = mn_now; |
|
|
2174 | |
|
|
2175 | ev_now_update (EV_A); |
|
|
2176 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2177 | #if EV_PERIODIC_ENABLE |
|
|
2178 | /* TODO: really do this? */ |
|
|
2179 | periodics_reschedule (EV_A); |
|
|
2180 | #endif |
|
|
2181 | } |
|
|
2182 | |
2043 | /*****************************************************************************/ |
2183 | /*****************************************************************************/ |
|
|
2184 | /* singly-linked list management, used when the expected list length is short */ |
2044 | |
2185 | |
2045 | void inline_size |
2186 | inline_size void |
2046 | wlist_add (WL *head, WL elem) |
2187 | wlist_add (WL *head, WL elem) |
2047 | { |
2188 | { |
2048 | elem->next = *head; |
2189 | elem->next = *head; |
2049 | *head = elem; |
2190 | *head = elem; |
2050 | } |
2191 | } |
2051 | |
2192 | |
2052 | void inline_size |
2193 | inline_size void |
2053 | wlist_del (WL *head, WL elem) |
2194 | wlist_del (WL *head, WL elem) |
2054 | { |
2195 | { |
2055 | while (*head) |
2196 | while (*head) |
2056 | { |
2197 | { |
2057 | if (*head == elem) |
2198 | if (*head == elem) |
… | |
… | |
2062 | |
2203 | |
2063 | head = &(*head)->next; |
2204 | head = &(*head)->next; |
2064 | } |
2205 | } |
2065 | } |
2206 | } |
2066 | |
2207 | |
2067 | void inline_speed |
2208 | /* internal, faster, version of ev_clear_pending */ |
|
|
2209 | inline_speed void |
2068 | clear_pending (EV_P_ W w) |
2210 | clear_pending (EV_P_ W w) |
2069 | { |
2211 | { |
2070 | if (w->pending) |
2212 | if (w->pending) |
2071 | { |
2213 | { |
2072 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2214 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
2073 | w->pending = 0; |
2215 | w->pending = 0; |
2074 | } |
2216 | } |
2075 | } |
2217 | } |
2076 | |
2218 | |
2077 | int |
2219 | int |
… | |
… | |
2081 | int pending = w_->pending; |
2223 | int pending = w_->pending; |
2082 | |
2224 | |
2083 | if (expect_true (pending)) |
2225 | if (expect_true (pending)) |
2084 | { |
2226 | { |
2085 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2227 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2228 | p->w = (W)&pending_w; |
2086 | w_->pending = 0; |
2229 | w_->pending = 0; |
2087 | p->w = 0; |
|
|
2088 | return p->events; |
2230 | return p->events; |
2089 | } |
2231 | } |
2090 | else |
2232 | else |
2091 | return 0; |
2233 | return 0; |
2092 | } |
2234 | } |
2093 | |
2235 | |
2094 | void inline_size |
2236 | inline_size void |
2095 | pri_adjust (EV_P_ W w) |
2237 | pri_adjust (EV_P_ W w) |
2096 | { |
2238 | { |
2097 | int pri = w->priority; |
2239 | int pri = w->priority; |
2098 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2240 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2099 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2241 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2100 | w->priority = pri; |
2242 | w->priority = pri; |
2101 | } |
2243 | } |
2102 | |
2244 | |
2103 | void inline_speed |
2245 | inline_speed void |
2104 | ev_start (EV_P_ W w, int active) |
2246 | ev_start (EV_P_ W w, int active) |
2105 | { |
2247 | { |
2106 | pri_adjust (EV_A_ w); |
2248 | pri_adjust (EV_A_ w); |
2107 | w->active = active; |
2249 | w->active = active; |
2108 | ev_ref (EV_A); |
2250 | ev_ref (EV_A); |
2109 | } |
2251 | } |
2110 | |
2252 | |
2111 | void inline_size |
2253 | inline_size void |
2112 | ev_stop (EV_P_ W w) |
2254 | ev_stop (EV_P_ W w) |
2113 | { |
2255 | { |
2114 | ev_unref (EV_A); |
2256 | ev_unref (EV_A); |
2115 | w->active = 0; |
2257 | w->active = 0; |
2116 | } |
2258 | } |
… | |
… | |
2123 | int fd = w->fd; |
2265 | int fd = w->fd; |
2124 | |
2266 | |
2125 | if (expect_false (ev_is_active (w))) |
2267 | if (expect_false (ev_is_active (w))) |
2126 | return; |
2268 | return; |
2127 | |
2269 | |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2270 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2271 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
2130 | |
2272 | |
2131 | EV_FREQUENT_CHECK; |
2273 | EV_FREQUENT_CHECK; |
2132 | |
2274 | |
2133 | ev_start (EV_A_ (W)w, 1); |
2275 | ev_start (EV_A_ (W)w, 1); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2276 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
2277 | wlist_add (&anfds[fd].head, (WL)w); |
2136 | |
2278 | |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2279 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2138 | w->events &= ~EV_IOFDSET; |
2280 | w->events &= ~EV__IOFDSET; |
2139 | |
2281 | |
2140 | EV_FREQUENT_CHECK; |
2282 | EV_FREQUENT_CHECK; |
2141 | } |
2283 | } |
2142 | |
2284 | |
2143 | void noinline |
2285 | void noinline |
… | |
… | |
2145 | { |
2287 | { |
2146 | clear_pending (EV_A_ (W)w); |
2288 | clear_pending (EV_A_ (W)w); |
2147 | if (expect_false (!ev_is_active (w))) |
2289 | if (expect_false (!ev_is_active (w))) |
2148 | return; |
2290 | return; |
2149 | |
2291 | |
2150 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2292 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2151 | |
2293 | |
2152 | EV_FREQUENT_CHECK; |
2294 | EV_FREQUENT_CHECK; |
2153 | |
2295 | |
2154 | wlist_del (&anfds[w->fd].head, (WL)w); |
2296 | wlist_del (&anfds[w->fd].head, (WL)w); |
2155 | ev_stop (EV_A_ (W)w); |
2297 | ev_stop (EV_A_ (W)w); |
… | |
… | |
2165 | if (expect_false (ev_is_active (w))) |
2307 | if (expect_false (ev_is_active (w))) |
2166 | return; |
2308 | return; |
2167 | |
2309 | |
2168 | ev_at (w) += mn_now; |
2310 | ev_at (w) += mn_now; |
2169 | |
2311 | |
2170 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2312 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2171 | |
2313 | |
2172 | EV_FREQUENT_CHECK; |
2314 | EV_FREQUENT_CHECK; |
2173 | |
2315 | |
2174 | ++timercnt; |
2316 | ++timercnt; |
2175 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
2317 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
… | |
… | |
2178 | ANHE_at_cache (timers [ev_active (w)]); |
2320 | ANHE_at_cache (timers [ev_active (w)]); |
2179 | upheap (timers, ev_active (w)); |
2321 | upheap (timers, ev_active (w)); |
2180 | |
2322 | |
2181 | EV_FREQUENT_CHECK; |
2323 | EV_FREQUENT_CHECK; |
2182 | |
2324 | |
2183 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2325 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2184 | } |
2326 | } |
2185 | |
2327 | |
2186 | void noinline |
2328 | void noinline |
2187 | ev_timer_stop (EV_P_ ev_timer *w) |
2329 | ev_timer_stop (EV_P_ ev_timer *w) |
2188 | { |
2330 | { |
… | |
… | |
2193 | EV_FREQUENT_CHECK; |
2335 | EV_FREQUENT_CHECK; |
2194 | |
2336 | |
2195 | { |
2337 | { |
2196 | int active = ev_active (w); |
2338 | int active = ev_active (w); |
2197 | |
2339 | |
2198 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2340 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
2199 | |
2341 | |
2200 | --timercnt; |
2342 | --timercnt; |
2201 | |
2343 | |
2202 | if (expect_true (active < timercnt + HEAP0)) |
2344 | if (expect_true (active < timercnt + HEAP0)) |
2203 | { |
2345 | { |
… | |
… | |
2247 | |
2389 | |
2248 | if (w->reschedule_cb) |
2390 | if (w->reschedule_cb) |
2249 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2391 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2250 | else if (w->interval) |
2392 | else if (w->interval) |
2251 | { |
2393 | { |
2252 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2394 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2253 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2395 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2254 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2396 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2255 | } |
2397 | } |
2256 | else |
2398 | else |
2257 | ev_at (w) = w->offset; |
2399 | ev_at (w) = w->offset; |
… | |
… | |
2265 | ANHE_at_cache (periodics [ev_active (w)]); |
2407 | ANHE_at_cache (periodics [ev_active (w)]); |
2266 | upheap (periodics, ev_active (w)); |
2408 | upheap (periodics, ev_active (w)); |
2267 | |
2409 | |
2268 | EV_FREQUENT_CHECK; |
2410 | EV_FREQUENT_CHECK; |
2269 | |
2411 | |
2270 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2412 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2271 | } |
2413 | } |
2272 | |
2414 | |
2273 | void noinline |
2415 | void noinline |
2274 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2416 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2275 | { |
2417 | { |
… | |
… | |
2280 | EV_FREQUENT_CHECK; |
2422 | EV_FREQUENT_CHECK; |
2281 | |
2423 | |
2282 | { |
2424 | { |
2283 | int active = ev_active (w); |
2425 | int active = ev_active (w); |
2284 | |
2426 | |
2285 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2427 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
2286 | |
2428 | |
2287 | --periodiccnt; |
2429 | --periodiccnt; |
2288 | |
2430 | |
2289 | if (expect_true (active < periodiccnt + HEAP0)) |
2431 | if (expect_true (active < periodiccnt + HEAP0)) |
2290 | { |
2432 | { |
… | |
… | |
2313 | |
2455 | |
2314 | void noinline |
2456 | void noinline |
2315 | ev_signal_start (EV_P_ ev_signal *w) |
2457 | ev_signal_start (EV_P_ ev_signal *w) |
2316 | { |
2458 | { |
2317 | #if EV_MULTIPLICITY |
2459 | #if EV_MULTIPLICITY |
2318 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2460 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2319 | #endif |
2461 | #endif |
2320 | if (expect_false (ev_is_active (w))) |
2462 | if (expect_false (ev_is_active (w))) |
2321 | return; |
2463 | return; |
2322 | |
2464 | |
2323 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2465 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2324 | |
2466 | |
2325 | evpipe_init (EV_A); |
2467 | evpipe_init (EV_A); |
2326 | |
2468 | |
2327 | EV_FREQUENT_CHECK; |
2469 | EV_FREQUENT_CHECK; |
2328 | |
2470 | |
… | |
… | |
2379 | |
2521 | |
2380 | void |
2522 | void |
2381 | ev_child_start (EV_P_ ev_child *w) |
2523 | ev_child_start (EV_P_ ev_child *w) |
2382 | { |
2524 | { |
2383 | #if EV_MULTIPLICITY |
2525 | #if EV_MULTIPLICITY |
2384 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2526 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2385 | #endif |
2527 | #endif |
2386 | if (expect_false (ev_is_active (w))) |
2528 | if (expect_false (ev_is_active (w))) |
2387 | return; |
2529 | return; |
2388 | |
2530 | |
2389 | EV_FREQUENT_CHECK; |
2531 | EV_FREQUENT_CHECK; |
… | |
… | |
2414 | # ifdef _WIN32 |
2556 | # ifdef _WIN32 |
2415 | # undef lstat |
2557 | # undef lstat |
2416 | # define lstat(a,b) _stati64 (a,b) |
2558 | # define lstat(a,b) _stati64 (a,b) |
2417 | # endif |
2559 | # endif |
2418 | |
2560 | |
2419 | #define DEF_STAT_INTERVAL 5.0074891 |
2561 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2562 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
2420 | #define MIN_STAT_INTERVAL 0.1074891 |
2563 | #define MIN_STAT_INTERVAL 0.1074891 |
2421 | |
2564 | |
2422 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2565 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2423 | |
2566 | |
2424 | #if EV_USE_INOTIFY |
2567 | #if EV_USE_INOTIFY |
2425 | # define EV_INOTIFY_BUFSIZE 8192 |
2568 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
2429 | { |
2572 | { |
2430 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2573 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2431 | |
2574 | |
2432 | if (w->wd < 0) |
2575 | if (w->wd < 0) |
2433 | { |
2576 | { |
|
|
2577 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2434 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2578 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2435 | |
2579 | |
2436 | /* monitor some parent directory for speedup hints */ |
2580 | /* monitor some parent directory for speedup hints */ |
2437 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2581 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2438 | /* but an efficiency issue only */ |
2582 | /* but an efficiency issue only */ |
2439 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2583 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2440 | { |
2584 | { |
2441 | char path [4096]; |
2585 | char path [4096]; |
2442 | strcpy (path, w->path); |
2586 | strcpy (path, w->path); |
… | |
… | |
2446 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2590 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2447 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2591 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2448 | |
2592 | |
2449 | char *pend = strrchr (path, '/'); |
2593 | char *pend = strrchr (path, '/'); |
2450 | |
2594 | |
2451 | if (!pend) |
2595 | if (!pend || pend == path) |
2452 | break; /* whoops, no '/', complain to your admin */ |
2596 | break; |
2453 | |
2597 | |
2454 | *pend = 0; |
2598 | *pend = 0; |
2455 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2599 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2456 | } |
2600 | } |
2457 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2601 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2458 | } |
2602 | } |
2459 | } |
2603 | } |
2460 | else |
|
|
2461 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2462 | |
2604 | |
2463 | if (w->wd >= 0) |
2605 | if (w->wd >= 0) |
|
|
2606 | { |
2464 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2607 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2608 | |
|
|
2609 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2610 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2611 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2612 | struct statfs sfs; |
|
|
2613 | |
|
|
2614 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2615 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2616 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2617 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2618 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2619 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2620 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2621 | return; |
|
|
2622 | |
|
|
2623 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2624 | ev_timer_again (EV_A_ &w->timer); |
|
|
2625 | } |
2465 | } |
2626 | } |
2466 | |
2627 | |
2467 | static void noinline |
2628 | static void noinline |
2468 | infy_del (EV_P_ ev_stat *w) |
2629 | infy_del (EV_P_ ev_stat *w) |
2469 | { |
2630 | { |
… | |
… | |
2499 | |
2660 | |
2500 | if (w->wd == wd || wd == -1) |
2661 | if (w->wd == wd || wd == -1) |
2501 | { |
2662 | { |
2502 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2663 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2503 | { |
2664 | { |
|
|
2665 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2504 | w->wd = -1; |
2666 | w->wd = -1; |
2505 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2667 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2506 | } |
2668 | } |
2507 | |
2669 | |
2508 | stat_timer_cb (EV_A_ &w->timer, 0); |
2670 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2521 | |
2683 | |
2522 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2684 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2523 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2685 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2524 | } |
2686 | } |
2525 | |
2687 | |
2526 | void inline_size |
2688 | inline_size void |
2527 | infy_init (EV_P) |
2689 | check_2625 (EV_P) |
2528 | { |
2690 | { |
2529 | if (fs_fd != -2) |
|
|
2530 | return; |
|
|
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
2691 | /* kernels < 2.6.25 are borked |
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2692 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
2534 | */ |
2693 | */ |
2535 | { |
|
|
2536 | struct utsname buf; |
2694 | struct utsname buf; |
2537 | int major, minor, micro; |
2695 | int major, minor, micro; |
2538 | |
2696 | |
2539 | fs_fd = -1; |
|
|
2540 | |
|
|
2541 | if (uname (&buf)) |
2697 | if (uname (&buf)) |
2542 | return; |
2698 | return; |
2543 | |
2699 | |
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2700 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
2545 | return; |
2701 | return; |
2546 | |
2702 | |
2547 | if (major < 2 |
2703 | if (major < 2 |
2548 | || (major == 2 && minor < 6) |
2704 | || (major == 2 && minor < 6) |
2549 | || (major == 2 && minor == 6 && micro < 25)) |
2705 | || (major == 2 && minor == 6 && micro < 25)) |
2550 | return; |
2706 | return; |
2551 | } |
2707 | |
|
|
2708 | fs_2625 = 1; |
|
|
2709 | } |
|
|
2710 | |
|
|
2711 | inline_size void |
|
|
2712 | infy_init (EV_P) |
|
|
2713 | { |
|
|
2714 | if (fs_fd != -2) |
|
|
2715 | return; |
|
|
2716 | |
|
|
2717 | fs_fd = -1; |
|
|
2718 | |
|
|
2719 | check_2625 (EV_A); |
2552 | |
2720 | |
2553 | fs_fd = inotify_init (); |
2721 | fs_fd = inotify_init (); |
2554 | |
2722 | |
2555 | if (fs_fd >= 0) |
2723 | if (fs_fd >= 0) |
2556 | { |
2724 | { |
… | |
… | |
2558 | ev_set_priority (&fs_w, EV_MAXPRI); |
2726 | ev_set_priority (&fs_w, EV_MAXPRI); |
2559 | ev_io_start (EV_A_ &fs_w); |
2727 | ev_io_start (EV_A_ &fs_w); |
2560 | } |
2728 | } |
2561 | } |
2729 | } |
2562 | |
2730 | |
2563 | void inline_size |
2731 | inline_size void |
2564 | infy_fork (EV_P) |
2732 | infy_fork (EV_P) |
2565 | { |
2733 | { |
2566 | int slot; |
2734 | int slot; |
2567 | |
2735 | |
2568 | if (fs_fd < 0) |
2736 | if (fs_fd < 0) |
… | |
… | |
2584 | w->wd = -1; |
2752 | w->wd = -1; |
2585 | |
2753 | |
2586 | if (fs_fd >= 0) |
2754 | if (fs_fd >= 0) |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2755 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2588 | else |
2756 | else |
2589 | ev_timer_start (EV_A_ &w->timer); |
2757 | ev_timer_again (EV_A_ &w->timer); |
2590 | } |
2758 | } |
2591 | } |
2759 | } |
2592 | } |
2760 | } |
2593 | |
2761 | |
2594 | #endif |
2762 | #endif |
… | |
… | |
2649 | ev_stat_start (EV_P_ ev_stat *w) |
2817 | ev_stat_start (EV_P_ ev_stat *w) |
2650 | { |
2818 | { |
2651 | if (expect_false (ev_is_active (w))) |
2819 | if (expect_false (ev_is_active (w))) |
2652 | return; |
2820 | return; |
2653 | |
2821 | |
2654 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2655 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2656 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2657 | |
|
|
2658 | ev_stat_stat (EV_A_ w); |
2822 | ev_stat_stat (EV_A_ w); |
2659 | |
2823 | |
|
|
2824 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2660 | if (w->interval < MIN_STAT_INTERVAL) |
2825 | w->interval = MIN_STAT_INTERVAL; |
2661 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2662 | |
2826 | |
2663 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2827 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2664 | ev_set_priority (&w->timer, ev_priority (w)); |
2828 | ev_set_priority (&w->timer, ev_priority (w)); |
2665 | |
2829 | |
2666 | #if EV_USE_INOTIFY |
2830 | #if EV_USE_INOTIFY |
2667 | infy_init (EV_A); |
2831 | infy_init (EV_A); |
2668 | |
2832 | |
2669 | if (fs_fd >= 0) |
2833 | if (fs_fd >= 0) |
2670 | infy_add (EV_A_ w); |
2834 | infy_add (EV_A_ w); |
2671 | else |
2835 | else |
2672 | #endif |
2836 | #endif |
2673 | ev_timer_start (EV_A_ &w->timer); |
2837 | ev_timer_again (EV_A_ &w->timer); |
2674 | |
2838 | |
2675 | ev_start (EV_A_ (W)w, 1); |
2839 | ev_start (EV_A_ (W)w, 1); |
2676 | |
2840 | |
2677 | EV_FREQUENT_CHECK; |
2841 | EV_FREQUENT_CHECK; |
2678 | } |
2842 | } |
… | |
… | |
2853 | static void |
3017 | static void |
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
3018 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
2855 | { |
3019 | { |
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3020 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
2857 | |
3021 | |
|
|
3022 | ev_embed_stop (EV_A_ w); |
|
|
3023 | |
2858 | { |
3024 | { |
2859 | struct ev_loop *loop = w->other; |
3025 | struct ev_loop *loop = w->other; |
2860 | |
3026 | |
2861 | ev_loop_fork (EV_A); |
3027 | ev_loop_fork (EV_A); |
|
|
3028 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2862 | } |
3029 | } |
|
|
3030 | |
|
|
3031 | ev_embed_start (EV_A_ w); |
2863 | } |
3032 | } |
2864 | |
3033 | |
2865 | #if 0 |
3034 | #if 0 |
2866 | static void |
3035 | static void |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
3036 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
… | |
… | |
2876 | if (expect_false (ev_is_active (w))) |
3045 | if (expect_false (ev_is_active (w))) |
2877 | return; |
3046 | return; |
2878 | |
3047 | |
2879 | { |
3048 | { |
2880 | struct ev_loop *loop = w->other; |
3049 | struct ev_loop *loop = w->other; |
2881 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3050 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2882 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3051 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2883 | } |
3052 | } |
2884 | |
3053 | |
2885 | EV_FREQUENT_CHECK; |
3054 | EV_FREQUENT_CHECK; |
2886 | |
3055 | |
… | |
… | |
3069 | ev_timer_set (&once->to, timeout, 0.); |
3238 | ev_timer_set (&once->to, timeout, 0.); |
3070 | ev_timer_start (EV_A_ &once->to); |
3239 | ev_timer_start (EV_A_ &once->to); |
3071 | } |
3240 | } |
3072 | } |
3241 | } |
3073 | |
3242 | |
|
|
3243 | /*****************************************************************************/ |
|
|
3244 | |
|
|
3245 | #if EV_WALK_ENABLE |
|
|
3246 | void |
|
|
3247 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3248 | { |
|
|
3249 | int i, j; |
|
|
3250 | ev_watcher_list *wl, *wn; |
|
|
3251 | |
|
|
3252 | if (types & (EV_IO | EV_EMBED)) |
|
|
3253 | for (i = 0; i < anfdmax; ++i) |
|
|
3254 | for (wl = anfds [i].head; wl; ) |
|
|
3255 | { |
|
|
3256 | wn = wl->next; |
|
|
3257 | |
|
|
3258 | #if EV_EMBED_ENABLE |
|
|
3259 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3260 | { |
|
|
3261 | if (types & EV_EMBED) |
|
|
3262 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3263 | } |
|
|
3264 | else |
|
|
3265 | #endif |
|
|
3266 | #if EV_USE_INOTIFY |
|
|
3267 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3268 | ; |
|
|
3269 | else |
|
|
3270 | #endif |
|
|
3271 | if ((ev_io *)wl != &pipe_w) |
|
|
3272 | if (types & EV_IO) |
|
|
3273 | cb (EV_A_ EV_IO, wl); |
|
|
3274 | |
|
|
3275 | wl = wn; |
|
|
3276 | } |
|
|
3277 | |
|
|
3278 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3279 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3280 | #if EV_STAT_ENABLE |
|
|
3281 | /*TODO: timer is not always active*/ |
|
|
3282 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3283 | { |
|
|
3284 | if (types & EV_STAT) |
|
|
3285 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3286 | } |
|
|
3287 | else |
|
|
3288 | #endif |
|
|
3289 | if (types & EV_TIMER) |
|
|
3290 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3291 | |
|
|
3292 | #if EV_PERIODIC_ENABLE |
|
|
3293 | if (types & EV_PERIODIC) |
|
|
3294 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3295 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3296 | #endif |
|
|
3297 | |
|
|
3298 | #if EV_IDLE_ENABLE |
|
|
3299 | if (types & EV_IDLE) |
|
|
3300 | for (j = NUMPRI; i--; ) |
|
|
3301 | for (i = idlecnt [j]; i--; ) |
|
|
3302 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3303 | #endif |
|
|
3304 | |
|
|
3305 | #if EV_FORK_ENABLE |
|
|
3306 | if (types & EV_FORK) |
|
|
3307 | for (i = forkcnt; i--; ) |
|
|
3308 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3309 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3310 | #endif |
|
|
3311 | |
|
|
3312 | #if EV_ASYNC_ENABLE |
|
|
3313 | if (types & EV_ASYNC) |
|
|
3314 | for (i = asynccnt; i--; ) |
|
|
3315 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3316 | #endif |
|
|
3317 | |
|
|
3318 | if (types & EV_PREPARE) |
|
|
3319 | for (i = preparecnt; i--; ) |
|
|
3320 | #if EV_EMBED_ENABLE |
|
|
3321 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3322 | #endif |
|
|
3323 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3324 | |
|
|
3325 | if (types & EV_CHECK) |
|
|
3326 | for (i = checkcnt; i--; ) |
|
|
3327 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3328 | |
|
|
3329 | if (types & EV_SIGNAL) |
|
|
3330 | for (i = 0; i < signalmax; ++i) |
|
|
3331 | for (wl = signals [i].head; wl; ) |
|
|
3332 | { |
|
|
3333 | wn = wl->next; |
|
|
3334 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3335 | wl = wn; |
|
|
3336 | } |
|
|
3337 | |
|
|
3338 | if (types & EV_CHILD) |
|
|
3339 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3340 | for (wl = childs [i]; wl; ) |
|
|
3341 | { |
|
|
3342 | wn = wl->next; |
|
|
3343 | cb (EV_A_ EV_CHILD, wl); |
|
|
3344 | wl = wn; |
|
|
3345 | } |
|
|
3346 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3347 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3348 | } |
|
|
3349 | #endif |
|
|
3350 | |
3074 | #if EV_MULTIPLICITY |
3351 | #if EV_MULTIPLICITY |
3075 | #include "ev_wrap.h" |
3352 | #include "ev_wrap.h" |
3076 | #endif |
3353 | #endif |
3077 | |
3354 | |
3078 | #ifdef __cplusplus |
3355 | #ifdef __cplusplus |