1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 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 | * |
… | |
… | |
34 | * by deleting the provisions above and replace them with the notice |
34 | * by deleting the provisions above and replace them with the notice |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
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40 | #ifdef __cplusplus |
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41 | extern "C" { |
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42 | #endif |
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43 | |
39 | |
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
… | |
… | |
182 | # include EV_H |
178 | # include EV_H |
183 | #else |
179 | #else |
184 | # include "ev.h" |
180 | # include "ev.h" |
185 | #endif |
181 | #endif |
186 | |
182 | |
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183 | EV_CPP(extern "C" {) |
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184 | |
187 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
188 | # include <sys/time.h> |
186 | # include <sys/time.h> |
189 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
190 | # include <unistd.h> |
188 | # include <unistd.h> |
191 | #else |
189 | #else |
… | |
… | |
378 | # undef EV_USE_INOTIFY |
376 | # undef EV_USE_INOTIFY |
379 | # define EV_USE_INOTIFY 0 |
377 | # define EV_USE_INOTIFY 0 |
380 | #endif |
378 | #endif |
381 | |
379 | |
382 | #if !EV_USE_NANOSLEEP |
380 | #if !EV_USE_NANOSLEEP |
383 | # ifndef _WIN32 |
381 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
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|
382 | # if !defined(_WIN32) && !defined(__hpux) |
384 | # include <sys/select.h> |
383 | # include <sys/select.h> |
385 | # endif |
384 | # endif |
386 | #endif |
385 | #endif |
387 | |
386 | |
388 | #if EV_USE_INOTIFY |
387 | #if EV_USE_INOTIFY |
389 | # include <sys/utsname.h> |
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|
390 | # include <sys/statfs.h> |
388 | # include <sys/statfs.h> |
391 | # include <sys/inotify.h> |
389 | # include <sys/inotify.h> |
392 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
390 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
393 | # ifndef IN_DONT_FOLLOW |
391 | # ifndef IN_DONT_FOLLOW |
394 | # undef EV_USE_INOTIFY |
392 | # undef EV_USE_INOTIFY |
… | |
… | |
411 | # define EFD_CLOEXEC O_CLOEXEC |
409 | # define EFD_CLOEXEC O_CLOEXEC |
412 | # else |
410 | # else |
413 | # define EFD_CLOEXEC 02000000 |
411 | # define EFD_CLOEXEC 02000000 |
414 | # endif |
412 | # endif |
415 | # endif |
413 | # endif |
416 | # ifdef __cplusplus |
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417 | extern "C" { |
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|
418 | # endif |
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419 | int (eventfd) (unsigned int initval, int flags); |
414 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
420 | # ifdef __cplusplus |
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421 | } |
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422 | # endif |
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423 | #endif |
415 | #endif |
424 | |
416 | |
425 | #if EV_USE_SIGNALFD |
417 | #if EV_USE_SIGNALFD |
426 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | # include <stdint.h> |
419 | # include <stdint.h> |
… | |
… | |
433 | # define SFD_CLOEXEC O_CLOEXEC |
425 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # else |
426 | # else |
435 | # define SFD_CLOEXEC 02000000 |
427 | # define SFD_CLOEXEC 02000000 |
436 | # endif |
428 | # endif |
437 | # endif |
429 | # endif |
438 | # ifdef __cplusplus |
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439 | extern "C" { |
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440 | # endif |
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441 | int signalfd (int fd, const sigset_t *mask, int flags); |
430 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
442 | |
431 | |
443 | struct signalfd_siginfo |
432 | struct signalfd_siginfo |
444 | { |
433 | { |
445 | uint32_t ssi_signo; |
434 | uint32_t ssi_signo; |
446 | char pad[128 - sizeof (uint32_t)]; |
435 | char pad[128 - sizeof (uint32_t)]; |
447 | }; |
436 | }; |
448 | # ifdef __cplusplus |
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|
449 | } |
|
|
450 | # endif |
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|
451 | #endif |
437 | #endif |
452 | |
438 | |
453 | /**/ |
439 | /**/ |
454 | |
440 | |
455 | #if EV_VERIFY >= 3 |
441 | #if EV_VERIFY >= 3 |
… | |
… | |
537 | # include "ev_win32.c" |
523 | # include "ev_win32.c" |
538 | #endif |
524 | #endif |
539 | |
525 | |
540 | /*****************************************************************************/ |
526 | /*****************************************************************************/ |
541 | |
527 | |
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528 | #ifdef __linux |
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|
529 | # include <sys/utsname.h> |
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530 | #endif |
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531 | |
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|
532 | static unsigned int noinline |
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|
533 | ev_linux_version (void) |
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534 | { |
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535 | #ifdef __linux |
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|
536 | unsigned int v = 0; |
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537 | struct utsname buf; |
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538 | int i; |
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539 | char *p = buf.release; |
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540 | |
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541 | if (uname (&buf)) |
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542 | return 0; |
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543 | |
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544 | for (i = 3+1; --i; ) |
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545 | { |
|
|
546 | unsigned int c = 0; |
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547 | |
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548 | for (;;) |
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549 | { |
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550 | if (*p >= '0' && *p <= '9') |
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551 | c = c * 10 + *p++ - '0'; |
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552 | else |
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553 | { |
|
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554 | p += *p == '.'; |
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|
555 | break; |
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556 | } |
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557 | } |
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558 | |
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559 | v = (v << 8) | c; |
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560 | } |
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561 | |
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562 | return v; |
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563 | #else |
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564 | return 0; |
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|
565 | #endif |
|
|
566 | } |
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567 | |
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|
568 | /*****************************************************************************/ |
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569 | |
542 | #if EV_AVOID_STDIO |
570 | #if EV_AVOID_STDIO |
543 | static void noinline |
571 | static void noinline |
544 | ev_printerr (const char *msg) |
572 | ev_printerr (const char *msg) |
545 | { |
573 | { |
546 | write (STDERR_FILENO, msg, strlen (msg)); |
574 | write (STDERR_FILENO, msg, strlen (msg)); |
… | |
… | |
564 | if (syserr_cb) |
592 | if (syserr_cb) |
565 | syserr_cb (msg); |
593 | syserr_cb (msg); |
566 | else |
594 | else |
567 | { |
595 | { |
568 | #if EV_AVOID_STDIO |
596 | #if EV_AVOID_STDIO |
569 | const char *err = strerror (errno); |
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|
570 | |
|
|
571 | ev_printerr (msg); |
597 | ev_printerr (msg); |
572 | ev_printerr (": "); |
598 | ev_printerr (": "); |
573 | ev_printerr (err); |
599 | ev_printerr (strerror (errno)); |
574 | ev_printerr ("\n"); |
600 | ev_printerr ("\n"); |
575 | #else |
601 | #else |
576 | perror (msg); |
602 | perror (msg); |
577 | #endif |
603 | #endif |
578 | abort (); |
604 | abort (); |
… | |
… | |
612 | ptr = alloc (ptr, size); |
638 | ptr = alloc (ptr, size); |
613 | |
639 | |
614 | if (!ptr && size) |
640 | if (!ptr && size) |
615 | { |
641 | { |
616 | #if EV_AVOID_STDIO |
642 | #if EV_AVOID_STDIO |
617 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
643 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
618 | #else |
644 | #else |
619 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
645 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
620 | #endif |
646 | #endif |
621 | abort (); |
647 | abort (); |
622 | } |
648 | } |
623 | |
649 | |
624 | return ptr; |
650 | return ptr; |
… | |
… | |
641 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
667 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
642 | unsigned char unused; |
668 | unsigned char unused; |
643 | #if EV_USE_EPOLL |
669 | #if EV_USE_EPOLL |
644 | unsigned int egen; /* generation counter to counter epoll bugs */ |
670 | unsigned int egen; /* generation counter to counter epoll bugs */ |
645 | #endif |
671 | #endif |
646 | #if EV_SELECT_IS_WINSOCKET |
672 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
647 | SOCKET handle; |
673 | SOCKET handle; |
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|
674 | #endif |
|
|
675 | #if EV_USE_IOCP |
|
|
676 | OVERLAPPED or, ow; |
648 | #endif |
677 | #endif |
649 | } ANFD; |
678 | } ANFD; |
650 | |
679 | |
651 | /* stores the pending event set for a given watcher */ |
680 | /* stores the pending event set for a given watcher */ |
652 | typedef struct |
681 | typedef struct |
… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
746 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
747 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
748 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
749 | #endif |
721 | |
750 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
751 | #define EVBREAK_RECURSE 0x80 |
723 | |
752 | |
724 | /*****************************************************************************/ |
753 | /*****************************************************************************/ |
725 | |
754 | |
726 | #ifndef EV_HAVE_EV_TIME |
755 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
756 | ev_tstamp |
… | |
… | |
785 | /* by older ones */ |
814 | /* by older ones */ |
786 | EV_TV_SET (tv, delay); |
815 | EV_TV_SET (tv, delay); |
787 | select (0, 0, 0, 0, &tv); |
816 | select (0, 0, 0, 0, &tv); |
788 | #endif |
817 | #endif |
789 | } |
818 | } |
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|
819 | } |
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|
820 | |
|
|
821 | inline_speed int |
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|
822 | ev_timeout_to_ms (ev_tstamp timeout) |
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|
823 | { |
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|
824 | int ms = timeout * 1000. + .999999; |
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|
825 | |
|
|
826 | return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1; |
790 | } |
827 | } |
791 | |
828 | |
792 | /*****************************************************************************/ |
829 | /*****************************************************************************/ |
793 | |
830 | |
794 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
831 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
… | |
… | |
937 | inline_size void |
974 | inline_size void |
938 | fd_reify (EV_P) |
975 | fd_reify (EV_P) |
939 | { |
976 | { |
940 | int i; |
977 | int i; |
941 | |
978 | |
|
|
979 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
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|
980 | for (i = 0; i < fdchangecnt; ++i) |
|
|
981 | { |
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|
982 | int fd = fdchanges [i]; |
|
|
983 | ANFD *anfd = anfds + fd; |
|
|
984 | |
|
|
985 | if (anfd->reify & EV__IOFDSET) |
|
|
986 | { |
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|
987 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
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|
988 | |
|
|
989 | if (handle != anfd->handle) |
|
|
990 | { |
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|
991 | unsigned long arg; |
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|
992 | |
|
|
993 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
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|
994 | |
|
|
995 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
996 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
997 | anfd->events = 0; |
|
|
998 | anfd->handle = handle; |
|
|
999 | } |
|
|
1000 | } |
|
|
1001 | } |
|
|
1002 | #endif |
|
|
1003 | |
942 | for (i = 0; i < fdchangecnt; ++i) |
1004 | for (i = 0; i < fdchangecnt; ++i) |
943 | { |
1005 | { |
944 | int fd = fdchanges [i]; |
1006 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
1007 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
1008 | ev_io *w; |
947 | |
1009 | |
948 | unsigned char o_events = anfd->events; |
1010 | unsigned char o_events = anfd->events; |
949 | unsigned char o_reify = anfd->reify; |
1011 | unsigned char o_reify = anfd->reify; |
950 | |
1012 | |
951 | anfd->reify = 0; |
1013 | anfd->reify = 0; |
952 | |
|
|
953 | #if EV_SELECT_IS_WINSOCKET |
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|
954 | if (o_reify & EV__IOFDSET) |
|
|
955 | { |
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|
956 | unsigned long arg; |
|
|
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
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|
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
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|
959 | } |
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|
960 | #endif |
|
|
961 | |
1014 | |
962 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
1015 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
963 | { |
1016 | { |
964 | anfd->events = 0; |
1017 | anfd->events = 0; |
965 | |
1018 | |
… | |
… | |
1314 | char dummy; |
1367 | char dummy; |
1315 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1368 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1316 | read (evpipe [0], &dummy, 1); |
1369 | read (evpipe [0], &dummy, 1); |
1317 | } |
1370 | } |
1318 | |
1371 | |
|
|
1372 | #if EV_SIGNAL_ENABLE |
1319 | if (sig_pending) |
1373 | if (sig_pending) |
1320 | { |
1374 | { |
1321 | sig_pending = 0; |
1375 | sig_pending = 0; |
1322 | |
1376 | |
1323 | for (i = EV_NSIG - 1; i--; ) |
1377 | for (i = EV_NSIG - 1; i--; ) |
1324 | if (expect_false (signals [i].pending)) |
1378 | if (expect_false (signals [i].pending)) |
1325 | ev_feed_signal_event (EV_A_ i + 1); |
1379 | ev_feed_signal_event (EV_A_ i + 1); |
1326 | } |
1380 | } |
|
|
1381 | #endif |
1327 | |
1382 | |
1328 | #if EV_ASYNC_ENABLE |
1383 | #if EV_ASYNC_ENABLE |
1329 | if (async_pending) |
1384 | if (async_pending) |
1330 | { |
1385 | { |
1331 | async_pending = 0; |
1386 | async_pending = 0; |
… | |
… | |
1340 | #endif |
1395 | #endif |
1341 | } |
1396 | } |
1342 | |
1397 | |
1343 | /*****************************************************************************/ |
1398 | /*****************************************************************************/ |
1344 | |
1399 | |
|
|
1400 | void |
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1401 | ev_feed_signal (int signum) |
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1402 | { |
|
|
1403 | #if EV_MULTIPLICITY |
|
|
1404 | EV_P = signals [signum - 1].loop; |
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1405 | |
|
|
1406 | if (!EV_A) |
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1407 | return; |
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|
1408 | #endif |
|
|
1409 | |
|
|
1410 | signals [signum - 1].pending = 1; |
|
|
1411 | evpipe_write (EV_A_ &sig_pending); |
|
|
1412 | } |
|
|
1413 | |
1345 | static void |
1414 | static void |
1346 | ev_sighandler (int signum) |
1415 | ev_sighandler (int signum) |
1347 | { |
1416 | { |
1348 | #if EV_MULTIPLICITY |
|
|
1349 | EV_P = signals [signum - 1].loop; |
|
|
1350 | #endif |
|
|
1351 | |
|
|
1352 | #ifdef _WIN32 |
1417 | #ifdef _WIN32 |
1353 | signal (signum, ev_sighandler); |
1418 | signal (signum, ev_sighandler); |
1354 | #endif |
1419 | #endif |
1355 | |
1420 | |
1356 | signals [signum - 1].pending = 1; |
1421 | ev_feed_signal (signum); |
1357 | evpipe_write (EV_A_ &sig_pending); |
|
|
1358 | } |
1422 | } |
1359 | |
1423 | |
1360 | void noinline |
1424 | void noinline |
1361 | ev_feed_signal_event (EV_P_ int signum) |
1425 | ev_feed_signal_event (EV_P_ int signum) |
1362 | { |
1426 | { |
… | |
… | |
1462 | |
1526 | |
1463 | #endif |
1527 | #endif |
1464 | |
1528 | |
1465 | /*****************************************************************************/ |
1529 | /*****************************************************************************/ |
1466 | |
1530 | |
|
|
1531 | #if EV_USE_IOCP |
|
|
1532 | # include "ev_iocp.c" |
|
|
1533 | #endif |
1467 | #if EV_USE_PORT |
1534 | #if EV_USE_PORT |
1468 | # include "ev_port.c" |
1535 | # include "ev_port.c" |
1469 | #endif |
1536 | #endif |
1470 | #if EV_USE_KQUEUE |
1537 | #if EV_USE_KQUEUE |
1471 | # include "ev_kqueue.c" |
1538 | # include "ev_kqueue.c" |
… | |
… | |
1544 | ev_embeddable_backends (void) |
1611 | ev_embeddable_backends (void) |
1545 | { |
1612 | { |
1546 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1613 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1547 | |
1614 | |
1548 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1615 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1549 | /* please fix it and tell me how to detect the fix */ |
1616 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1550 | flags &= ~EVBACKEND_EPOLL; |
1617 | flags &= ~EVBACKEND_EPOLL; |
1551 | |
1618 | |
1552 | return flags; |
1619 | return flags; |
1553 | } |
1620 | } |
1554 | |
1621 | |
1555 | unsigned int |
1622 | unsigned int |
… | |
… | |
1611 | static void noinline |
1678 | static void noinline |
1612 | loop_init (EV_P_ unsigned int flags) |
1679 | loop_init (EV_P_ unsigned int flags) |
1613 | { |
1680 | { |
1614 | if (!backend) |
1681 | if (!backend) |
1615 | { |
1682 | { |
|
|
1683 | origflags = flags; |
|
|
1684 | |
1616 | #if EV_USE_REALTIME |
1685 | #if EV_USE_REALTIME |
1617 | if (!have_realtime) |
1686 | if (!have_realtime) |
1618 | { |
1687 | { |
1619 | struct timespec ts; |
1688 | struct timespec ts; |
1620 | |
1689 | |
… | |
… | |
1665 | #endif |
1734 | #endif |
1666 | #if EV_USE_SIGNALFD |
1735 | #if EV_USE_SIGNALFD |
1667 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1736 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1668 | #endif |
1737 | #endif |
1669 | |
1738 | |
1670 | if (!(flags & 0x0000ffffU)) |
1739 | if (!(flags & EVBACKEND_MASK)) |
1671 | flags |= ev_recommended_backends (); |
1740 | flags |= ev_recommended_backends (); |
1672 | |
1741 | |
|
|
1742 | #if EV_USE_IOCP |
|
|
1743 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1744 | #endif |
1673 | #if EV_USE_PORT |
1745 | #if EV_USE_PORT |
1674 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1746 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1675 | #endif |
1747 | #endif |
1676 | #if EV_USE_KQUEUE |
1748 | #if EV_USE_KQUEUE |
1677 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1749 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1694 | #endif |
1766 | #endif |
1695 | } |
1767 | } |
1696 | } |
1768 | } |
1697 | |
1769 | |
1698 | /* free up a loop structure */ |
1770 | /* free up a loop structure */ |
1699 | static void noinline |
1771 | void |
1700 | loop_destroy (EV_P) |
1772 | ev_loop_destroy (EV_P) |
1701 | { |
1773 | { |
1702 | int i; |
1774 | int i; |
|
|
1775 | |
|
|
1776 | #if EV_MULTIPLICITY |
|
|
1777 | /* mimic free (0) */ |
|
|
1778 | if (!EV_A) |
|
|
1779 | return; |
|
|
1780 | #endif |
|
|
1781 | |
|
|
1782 | #if EV_CLEANUP_ENABLE |
|
|
1783 | /* queue cleanup watchers (and execute them) */ |
|
|
1784 | if (expect_false (cleanupcnt)) |
|
|
1785 | { |
|
|
1786 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1787 | EV_INVOKE_PENDING; |
|
|
1788 | } |
|
|
1789 | #endif |
|
|
1790 | |
|
|
1791 | #if EV_CHILD_ENABLE |
|
|
1792 | if (ev_is_active (&childev)) |
|
|
1793 | { |
|
|
1794 | ev_ref (EV_A); /* child watcher */ |
|
|
1795 | ev_signal_stop (EV_A_ &childev); |
|
|
1796 | } |
|
|
1797 | #endif |
1703 | |
1798 | |
1704 | if (ev_is_active (&pipe_w)) |
1799 | if (ev_is_active (&pipe_w)) |
1705 | { |
1800 | { |
1706 | /*ev_ref (EV_A);*/ |
1801 | /*ev_ref (EV_A);*/ |
1707 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1802 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1729 | #endif |
1824 | #endif |
1730 | |
1825 | |
1731 | if (backend_fd >= 0) |
1826 | if (backend_fd >= 0) |
1732 | close (backend_fd); |
1827 | close (backend_fd); |
1733 | |
1828 | |
|
|
1829 | #if EV_USE_IOCP |
|
|
1830 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1831 | #endif |
1734 | #if EV_USE_PORT |
1832 | #if EV_USE_PORT |
1735 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1833 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1736 | #endif |
1834 | #endif |
1737 | #if EV_USE_KQUEUE |
1835 | #if EV_USE_KQUEUE |
1738 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1836 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1765 | array_free (periodic, EMPTY); |
1863 | array_free (periodic, EMPTY); |
1766 | #endif |
1864 | #endif |
1767 | #if EV_FORK_ENABLE |
1865 | #if EV_FORK_ENABLE |
1768 | array_free (fork, EMPTY); |
1866 | array_free (fork, EMPTY); |
1769 | #endif |
1867 | #endif |
|
|
1868 | #if EV_CLEANUP_ENABLE |
|
|
1869 | array_free (cleanup, EMPTY); |
|
|
1870 | #endif |
1770 | array_free (prepare, EMPTY); |
1871 | array_free (prepare, EMPTY); |
1771 | array_free (check, EMPTY); |
1872 | array_free (check, EMPTY); |
1772 | #if EV_ASYNC_ENABLE |
1873 | #if EV_ASYNC_ENABLE |
1773 | array_free (async, EMPTY); |
1874 | array_free (async, EMPTY); |
1774 | #endif |
1875 | #endif |
1775 | |
1876 | |
1776 | backend = 0; |
1877 | backend = 0; |
|
|
1878 | |
|
|
1879 | #if EV_MULTIPLICITY |
|
|
1880 | if (ev_is_default_loop (EV_A)) |
|
|
1881 | #endif |
|
|
1882 | ev_default_loop_ptr = 0; |
|
|
1883 | #if EV_MULTIPLICITY |
|
|
1884 | else |
|
|
1885 | ev_free (EV_A); |
|
|
1886 | #endif |
1777 | } |
1887 | } |
1778 | |
1888 | |
1779 | #if EV_USE_INOTIFY |
1889 | #if EV_USE_INOTIFY |
1780 | inline_size void infy_fork (EV_P); |
1890 | inline_size void infy_fork (EV_P); |
1781 | #endif |
1891 | #endif |
… | |
… | |
1840 | loop_init (EV_A_ flags); |
1950 | loop_init (EV_A_ flags); |
1841 | |
1951 | |
1842 | if (ev_backend (EV_A)) |
1952 | if (ev_backend (EV_A)) |
1843 | return EV_A; |
1953 | return EV_A; |
1844 | |
1954 | |
|
|
1955 | ev_free (EV_A); |
1845 | return 0; |
1956 | return 0; |
1846 | } |
1957 | } |
1847 | |
1958 | |
1848 | void |
|
|
1849 | ev_loop_destroy (EV_P) |
|
|
1850 | { |
|
|
1851 | loop_destroy (EV_A); |
|
|
1852 | ev_free (loop); |
|
|
1853 | } |
|
|
1854 | |
|
|
1855 | void |
|
|
1856 | ev_loop_fork (EV_P) |
|
|
1857 | { |
|
|
1858 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1859 | } |
|
|
1860 | #endif /* multiplicity */ |
1959 | #endif /* multiplicity */ |
1861 | |
1960 | |
1862 | #if EV_VERIFY |
1961 | #if EV_VERIFY |
1863 | static void noinline |
1962 | static void noinline |
1864 | verify_watcher (EV_P_ W w) |
1963 | verify_watcher (EV_P_ W w) |
… | |
… | |
1939 | #if EV_FORK_ENABLE |
2038 | #if EV_FORK_ENABLE |
1940 | assert (forkmax >= forkcnt); |
2039 | assert (forkmax >= forkcnt); |
1941 | array_verify (EV_A_ (W *)forks, forkcnt); |
2040 | array_verify (EV_A_ (W *)forks, forkcnt); |
1942 | #endif |
2041 | #endif |
1943 | |
2042 | |
|
|
2043 | #if EV_CLEANUP_ENABLE |
|
|
2044 | assert (cleanupmax >= cleanupcnt); |
|
|
2045 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2046 | #endif |
|
|
2047 | |
1944 | #if EV_ASYNC_ENABLE |
2048 | #if EV_ASYNC_ENABLE |
1945 | assert (asyncmax >= asynccnt); |
2049 | assert (asyncmax >= asynccnt); |
1946 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2050 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1947 | #endif |
2051 | #endif |
1948 | |
2052 | |
… | |
… | |
1966 | } |
2070 | } |
1967 | #endif |
2071 | #endif |
1968 | |
2072 | |
1969 | #if EV_MULTIPLICITY |
2073 | #if EV_MULTIPLICITY |
1970 | struct ev_loop * |
2074 | struct ev_loop * |
1971 | ev_default_loop_init (unsigned int flags) |
|
|
1972 | #else |
2075 | #else |
1973 | int |
2076 | int |
|
|
2077 | #endif |
1974 | ev_default_loop (unsigned int flags) |
2078 | ev_default_loop (unsigned int flags) |
1975 | #endif |
|
|
1976 | { |
2079 | { |
1977 | if (!ev_default_loop_ptr) |
2080 | if (!ev_default_loop_ptr) |
1978 | { |
2081 | { |
1979 | #if EV_MULTIPLICITY |
2082 | #if EV_MULTIPLICITY |
1980 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2083 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1999 | |
2102 | |
2000 | return ev_default_loop_ptr; |
2103 | return ev_default_loop_ptr; |
2001 | } |
2104 | } |
2002 | |
2105 | |
2003 | void |
2106 | void |
2004 | ev_default_destroy (void) |
2107 | ev_loop_fork (EV_P) |
2005 | { |
2108 | { |
2006 | #if EV_MULTIPLICITY |
|
|
2007 | EV_P = ev_default_loop_ptr; |
|
|
2008 | #endif |
|
|
2009 | |
|
|
2010 | ev_default_loop_ptr = 0; |
|
|
2011 | |
|
|
2012 | #if EV_CHILD_ENABLE |
|
|
2013 | ev_ref (EV_A); /* child watcher */ |
|
|
2014 | ev_signal_stop (EV_A_ &childev); |
|
|
2015 | #endif |
|
|
2016 | |
|
|
2017 | loop_destroy (EV_A); |
|
|
2018 | } |
|
|
2019 | |
|
|
2020 | void |
|
|
2021 | ev_default_fork (void) |
|
|
2022 | { |
|
|
2023 | #if EV_MULTIPLICITY |
|
|
2024 | EV_P = ev_default_loop_ptr; |
|
|
2025 | #endif |
|
|
2026 | |
|
|
2027 | postfork = 1; /* must be in line with ev_loop_fork */ |
2109 | postfork = 1; /* must be in line with ev_default_fork */ |
2028 | } |
2110 | } |
2029 | |
2111 | |
2030 | /*****************************************************************************/ |
2112 | /*****************************************************************************/ |
2031 | |
2113 | |
2032 | void |
2114 | void |
… | |
… | |
2054 | |
2136 | |
2055 | for (pri = NUMPRI; pri--; ) |
2137 | for (pri = NUMPRI; pri--; ) |
2056 | while (pendingcnt [pri]) |
2138 | while (pendingcnt [pri]) |
2057 | { |
2139 | { |
2058 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2140 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2059 | |
|
|
2060 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
2061 | /* ^ this is no longer true, as pending_w could be here */ |
|
|
2062 | |
2141 | |
2063 | p->w->pending = 0; |
2142 | p->w->pending = 0; |
2064 | EV_CB_INVOKE (p->w, p->events); |
2143 | EV_CB_INVOKE (p->w, p->events); |
2065 | EV_FREQUENT_CHECK; |
2144 | EV_FREQUENT_CHECK; |
2066 | } |
2145 | } |
… | |
… | |
2128 | feed_reverse_done (EV_A_ EV_TIMER); |
2207 | feed_reverse_done (EV_A_ EV_TIMER); |
2129 | } |
2208 | } |
2130 | } |
2209 | } |
2131 | |
2210 | |
2132 | #if EV_PERIODIC_ENABLE |
2211 | #if EV_PERIODIC_ENABLE |
|
|
2212 | |
|
|
2213 | inline_speed void |
|
|
2214 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2215 | { |
|
|
2216 | /* TODO: use slow but potentially more correct incremental algo, */ |
|
|
2217 | /* also do not rely on ceil */ |
|
|
2218 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2219 | } |
|
|
2220 | |
2133 | /* make periodics pending */ |
2221 | /* make periodics pending */ |
2134 | inline_size void |
2222 | inline_size void |
2135 | periodics_reify (EV_P) |
2223 | periodics_reify (EV_P) |
2136 | { |
2224 | { |
2137 | EV_FREQUENT_CHECK; |
2225 | EV_FREQUENT_CHECK; |
… | |
… | |
2156 | ANHE_at_cache (periodics [HEAP0]); |
2244 | ANHE_at_cache (periodics [HEAP0]); |
2157 | downheap (periodics, periodiccnt, HEAP0); |
2245 | downheap (periodics, periodiccnt, HEAP0); |
2158 | } |
2246 | } |
2159 | else if (w->interval) |
2247 | else if (w->interval) |
2160 | { |
2248 | { |
2161 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2249 | periodic_recalc (EV_A_ w); |
|
|
2250 | |
2162 | /* if next trigger time is not sufficiently in the future, put it there */ |
2251 | /* if next trigger time is not sufficiently in the future, put it there */ |
2163 | /* this might happen because of floating point inexactness */ |
2252 | /* this might happen because of floating point inexactness */ |
2164 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
2253 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
2165 | { |
2254 | { |
2166 | ev_at (w) += w->interval; |
2255 | ev_at (w) += w->interval; |
… | |
… | |
2200 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2289 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
2201 | |
2290 | |
2202 | if (w->reschedule_cb) |
2291 | if (w->reschedule_cb) |
2203 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2292 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2204 | else if (w->interval) |
2293 | else if (w->interval) |
2205 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2294 | periodic_recalc (EV_A_ w); |
2206 | |
2295 | |
2207 | ANHE_at_cache (periodics [i]); |
2296 | ANHE_at_cache (periodics [i]); |
2208 | } |
2297 | } |
2209 | |
2298 | |
2210 | reheap (periodics, periodiccnt); |
2299 | reheap (periodics, periodiccnt); |
… | |
… | |
2292 | mn_now = ev_rt_now; |
2381 | mn_now = ev_rt_now; |
2293 | } |
2382 | } |
2294 | } |
2383 | } |
2295 | |
2384 | |
2296 | void |
2385 | void |
2297 | ev_loop (EV_P_ int flags) |
2386 | ev_run (EV_P_ int flags) |
2298 | { |
2387 | { |
2299 | #if EV_FEATURE_API |
2388 | #if EV_FEATURE_API |
2300 | ++loop_depth; |
2389 | ++loop_depth; |
2301 | #endif |
2390 | #endif |
2302 | |
2391 | |
2303 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2392 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2304 | |
2393 | |
2305 | loop_done = EVUNLOOP_CANCEL; |
2394 | loop_done = EVBREAK_CANCEL; |
2306 | |
2395 | |
2307 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2396 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2308 | |
2397 | |
2309 | do |
2398 | do |
2310 | { |
2399 | { |
… | |
… | |
2353 | /* calculate blocking time */ |
2442 | /* calculate blocking time */ |
2354 | { |
2443 | { |
2355 | ev_tstamp waittime = 0.; |
2444 | ev_tstamp waittime = 0.; |
2356 | ev_tstamp sleeptime = 0.; |
2445 | ev_tstamp sleeptime = 0.; |
2357 | |
2446 | |
|
|
2447 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2448 | ev_tstamp prev_mn_now = mn_now; |
|
|
2449 | |
|
|
2450 | /* update time to cancel out callback processing overhead */ |
|
|
2451 | time_update (EV_A_ 1e100); |
|
|
2452 | |
2358 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2453 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2359 | { |
2454 | { |
2360 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2361 | ev_tstamp prev_mn_now = mn_now; |
|
|
2362 | |
|
|
2363 | /* update time to cancel out callback processing overhead */ |
|
|
2364 | time_update (EV_A_ 1e100); |
|
|
2365 | |
|
|
2366 | waittime = MAX_BLOCKTIME; |
2455 | waittime = MAX_BLOCKTIME; |
2367 | |
2456 | |
2368 | if (timercnt) |
2457 | if (timercnt) |
2369 | { |
2458 | { |
2370 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2459 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2400 | } |
2489 | } |
2401 | |
2490 | |
2402 | #if EV_FEATURE_API |
2491 | #if EV_FEATURE_API |
2403 | ++loop_count; |
2492 | ++loop_count; |
2404 | #endif |
2493 | #endif |
2405 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2494 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2406 | backend_poll (EV_A_ waittime); |
2495 | backend_poll (EV_A_ waittime); |
2407 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2496 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2408 | |
2497 | |
2409 | /* update ev_rt_now, do magic */ |
2498 | /* update ev_rt_now, do magic */ |
2410 | time_update (EV_A_ waittime + sleeptime); |
2499 | time_update (EV_A_ waittime + sleeptime); |
2411 | } |
2500 | } |
2412 | |
2501 | |
… | |
… | |
2430 | EV_INVOKE_PENDING; |
2519 | EV_INVOKE_PENDING; |
2431 | } |
2520 | } |
2432 | while (expect_true ( |
2521 | while (expect_true ( |
2433 | activecnt |
2522 | activecnt |
2434 | && !loop_done |
2523 | && !loop_done |
2435 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2524 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2436 | )); |
2525 | )); |
2437 | |
2526 | |
2438 | if (loop_done == EVUNLOOP_ONE) |
2527 | if (loop_done == EVBREAK_ONE) |
2439 | loop_done = EVUNLOOP_CANCEL; |
2528 | loop_done = EVBREAK_CANCEL; |
2440 | |
2529 | |
2441 | #if EV_FEATURE_API |
2530 | #if EV_FEATURE_API |
2442 | --loop_depth; |
2531 | --loop_depth; |
2443 | #endif |
2532 | #endif |
2444 | } |
2533 | } |
2445 | |
2534 | |
2446 | void |
2535 | void |
2447 | ev_unloop (EV_P_ int how) |
2536 | ev_break (EV_P_ int how) |
2448 | { |
2537 | { |
2449 | loop_done = how; |
2538 | loop_done = how; |
2450 | } |
2539 | } |
2451 | |
2540 | |
2452 | void |
2541 | void |
… | |
… | |
2702 | if (w->reschedule_cb) |
2791 | if (w->reschedule_cb) |
2703 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2792 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
2704 | else if (w->interval) |
2793 | else if (w->interval) |
2705 | { |
2794 | { |
2706 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2795 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2707 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2796 | periodic_recalc (EV_A_ w); |
2708 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2709 | } |
2797 | } |
2710 | else |
2798 | else |
2711 | ev_at (w) = w->offset; |
2799 | ev_at (w) = w->offset; |
2712 | |
2800 | |
2713 | EV_FREQUENT_CHECK; |
2801 | EV_FREQUENT_CHECK; |
… | |
… | |
2834 | sa.sa_handler = ev_sighandler; |
2922 | sa.sa_handler = ev_sighandler; |
2835 | sigfillset (&sa.sa_mask); |
2923 | sigfillset (&sa.sa_mask); |
2836 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2924 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2837 | sigaction (w->signum, &sa, 0); |
2925 | sigaction (w->signum, &sa, 0); |
2838 | |
2926 | |
|
|
2927 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
2928 | { |
2839 | sigemptyset (&sa.sa_mask); |
2929 | sigemptyset (&sa.sa_mask); |
2840 | sigaddset (&sa.sa_mask, w->signum); |
2930 | sigaddset (&sa.sa_mask, w->signum); |
2841 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2931 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
2932 | } |
2842 | #endif |
2933 | #endif |
2843 | } |
2934 | } |
2844 | |
2935 | |
2845 | EV_FREQUENT_CHECK; |
2936 | EV_FREQUENT_CHECK; |
2846 | } |
2937 | } |
… | |
… | |
3062 | { |
3153 | { |
3063 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3154 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3064 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3155 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3065 | ofs += sizeof (struct inotify_event) + ev->len; |
3156 | ofs += sizeof (struct inotify_event) + ev->len; |
3066 | } |
3157 | } |
3067 | } |
|
|
3068 | |
|
|
3069 | inline_size unsigned int |
|
|
3070 | ev_linux_version (void) |
|
|
3071 | { |
|
|
3072 | struct utsname buf; |
|
|
3073 | unsigned int v; |
|
|
3074 | int i; |
|
|
3075 | char *p = buf.release; |
|
|
3076 | |
|
|
3077 | if (uname (&buf)) |
|
|
3078 | return 0; |
|
|
3079 | |
|
|
3080 | for (i = 3+1; --i; ) |
|
|
3081 | { |
|
|
3082 | unsigned int c = 0; |
|
|
3083 | |
|
|
3084 | for (;;) |
|
|
3085 | { |
|
|
3086 | if (*p >= '0' && *p <= '9') |
|
|
3087 | c = c * 10 + *p++ - '0'; |
|
|
3088 | else |
|
|
3089 | { |
|
|
3090 | p += *p == '.'; |
|
|
3091 | break; |
|
|
3092 | } |
|
|
3093 | } |
|
|
3094 | |
|
|
3095 | v = (v << 8) | c; |
|
|
3096 | } |
|
|
3097 | |
|
|
3098 | return v; |
|
|
3099 | } |
3158 | } |
3100 | |
3159 | |
3101 | inline_size void |
3160 | inline_size void |
3102 | ev_check_2625 (EV_P) |
3161 | ev_check_2625 (EV_P) |
3103 | { |
3162 | { |
… | |
… | |
3427 | |
3486 | |
3428 | #if EV_EMBED_ENABLE |
3487 | #if EV_EMBED_ENABLE |
3429 | void noinline |
3488 | void noinline |
3430 | ev_embed_sweep (EV_P_ ev_embed *w) |
3489 | ev_embed_sweep (EV_P_ ev_embed *w) |
3431 | { |
3490 | { |
3432 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3491 | ev_run (w->other, EVRUN_NOWAIT); |
3433 | } |
3492 | } |
3434 | |
3493 | |
3435 | static void |
3494 | static void |
3436 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3495 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3437 | { |
3496 | { |
3438 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3497 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3439 | |
3498 | |
3440 | if (ev_cb (w)) |
3499 | if (ev_cb (w)) |
3441 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3500 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3442 | else |
3501 | else |
3443 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3502 | ev_run (w->other, EVRUN_NOWAIT); |
3444 | } |
3503 | } |
3445 | |
3504 | |
3446 | static void |
3505 | static void |
3447 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3506 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3448 | { |
3507 | { |
… | |
… | |
3452 | EV_P = w->other; |
3511 | EV_P = w->other; |
3453 | |
3512 | |
3454 | while (fdchangecnt) |
3513 | while (fdchangecnt) |
3455 | { |
3514 | { |
3456 | fd_reify (EV_A); |
3515 | fd_reify (EV_A); |
3457 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3516 | ev_run (EV_A_ EVRUN_NOWAIT); |
3458 | } |
3517 | } |
3459 | } |
3518 | } |
3460 | } |
3519 | } |
3461 | |
3520 | |
3462 | static void |
3521 | static void |
… | |
… | |
3468 | |
3527 | |
3469 | { |
3528 | { |
3470 | EV_P = w->other; |
3529 | EV_P = w->other; |
3471 | |
3530 | |
3472 | ev_loop_fork (EV_A); |
3531 | ev_loop_fork (EV_A); |
3473 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3532 | ev_run (EV_A_ EVRUN_NOWAIT); |
3474 | } |
3533 | } |
3475 | |
3534 | |
3476 | ev_embed_start (EV_A_ w); |
3535 | ev_embed_start (EV_A_ w); |
3477 | } |
3536 | } |
3478 | |
3537 | |
… | |
… | |
3570 | |
3629 | |
3571 | EV_FREQUENT_CHECK; |
3630 | EV_FREQUENT_CHECK; |
3572 | } |
3631 | } |
3573 | #endif |
3632 | #endif |
3574 | |
3633 | |
3575 | #if EV_ASYNC_ENABLE |
3634 | #if EV_CLEANUP_ENABLE |
3576 | void |
3635 | void |
3577 | ev_async_start (EV_P_ ev_async *w) |
3636 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3578 | { |
3637 | { |
3579 | if (expect_false (ev_is_active (w))) |
3638 | if (expect_false (ev_is_active (w))) |
3580 | return; |
3639 | return; |
|
|
3640 | |
|
|
3641 | EV_FREQUENT_CHECK; |
|
|
3642 | |
|
|
3643 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3644 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3645 | cleanups [cleanupcnt - 1] = w; |
|
|
3646 | |
|
|
3647 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3648 | ev_unref (EV_A); |
|
|
3649 | EV_FREQUENT_CHECK; |
|
|
3650 | } |
|
|
3651 | |
|
|
3652 | void |
|
|
3653 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3654 | { |
|
|
3655 | clear_pending (EV_A_ (W)w); |
|
|
3656 | if (expect_false (!ev_is_active (w))) |
|
|
3657 | return; |
|
|
3658 | |
|
|
3659 | EV_FREQUENT_CHECK; |
|
|
3660 | ev_ref (EV_A); |
|
|
3661 | |
|
|
3662 | { |
|
|
3663 | int active = ev_active (w); |
|
|
3664 | |
|
|
3665 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3666 | ev_active (cleanups [active - 1]) = active; |
|
|
3667 | } |
|
|
3668 | |
|
|
3669 | ev_stop (EV_A_ (W)w); |
|
|
3670 | |
|
|
3671 | EV_FREQUENT_CHECK; |
|
|
3672 | } |
|
|
3673 | #endif |
|
|
3674 | |
|
|
3675 | #if EV_ASYNC_ENABLE |
|
|
3676 | void |
|
|
3677 | ev_async_start (EV_P_ ev_async *w) |
|
|
3678 | { |
|
|
3679 | if (expect_false (ev_is_active (w))) |
|
|
3680 | return; |
|
|
3681 | |
|
|
3682 | w->sent = 0; |
3581 | |
3683 | |
3582 | evpipe_init (EV_A); |
3684 | evpipe_init (EV_A); |
3583 | |
3685 | |
3584 | EV_FREQUENT_CHECK; |
3686 | EV_FREQUENT_CHECK; |
3585 | |
3687 | |
… | |
… | |
3805 | |
3907 | |
3806 | #if EV_MULTIPLICITY |
3908 | #if EV_MULTIPLICITY |
3807 | #include "ev_wrap.h" |
3909 | #include "ev_wrap.h" |
3808 | #endif |
3910 | #endif |
3809 | |
3911 | |
3810 | #ifdef __cplusplus |
3912 | EV_CPP(}) |
3811 | } |
|
|
3812 | #endif |
|
|
3813 | |
3913 | |