… | |
… | |
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 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
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 |
48 | # else |
44 | # else |
… | |
… | |
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 | |
|
|
183 | EV_CPP(extern "C" {) |
|
|
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 |
… | |
… | |
384 | # include <sys/select.h> |
382 | # include <sys/select.h> |
385 | # endif |
383 | # endif |
386 | #endif |
384 | #endif |
387 | |
385 | |
388 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
389 | # include <sys/utsname.h> |
|
|
390 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
391 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
392 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
393 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
394 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
411 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
412 | # else |
409 | # else |
413 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
414 | # endif |
411 | # endif |
415 | # endif |
412 | # endif |
416 | # ifdef __cplusplus |
|
|
417 | extern "C" { |
|
|
418 | # endif |
|
|
419 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
420 | # ifdef __cplusplus |
|
|
421 | } |
|
|
422 | # endif |
|
|
423 | #endif |
414 | #endif |
424 | |
415 | |
425 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
426 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
427 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
433 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
434 | # else |
425 | # else |
435 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
436 | # endif |
427 | # endif |
437 | # endif |
428 | # endif |
438 | # ifdef __cplusplus |
|
|
439 | extern "C" { |
|
|
440 | # endif |
|
|
441 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
442 | |
430 | |
443 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
444 | { |
432 | { |
445 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
446 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
447 | }; |
435 | }; |
448 | # ifdef __cplusplus |
|
|
449 | } |
|
|
450 | # endif |
|
|
451 | #endif |
436 | #endif |
452 | |
437 | |
453 | /**/ |
438 | /**/ |
454 | |
439 | |
455 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
… | |
… | |
470 | |
455 | |
471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
473 | |
458 | |
474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
475 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; tv.tv_nsec = (long)((t - tv.tv_sec) * 1e9); } while (0) |
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
476 | |
461 | |
477 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
479 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
480 | #else |
465 | #else |
… | |
… | |
537 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
538 | #endif |
523 | #endif |
539 | |
524 | |
540 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
541 | |
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
|
|
568 | |
542 | #if EV_AVOID_STDIO |
569 | #if EV_AVOID_STDIO |
543 | static void noinline |
570 | static void noinline |
544 | ev_printerr (const char *msg) |
571 | ev_printerr (const char *msg) |
545 | { |
572 | { |
546 | write (STDERR_FILENO, msg, strlen (msg)); |
573 | write (STDERR_FILENO, msg, strlen (msg)); |
… | |
… | |
564 | if (syserr_cb) |
591 | if (syserr_cb) |
565 | syserr_cb (msg); |
592 | syserr_cb (msg); |
566 | else |
593 | else |
567 | { |
594 | { |
568 | #if EV_AVOID_STDIO |
595 | #if EV_AVOID_STDIO |
569 | const char *err = strerror (errno); |
|
|
570 | |
|
|
571 | ev_printerr (msg); |
596 | ev_printerr (msg); |
572 | ev_printerr (": "); |
597 | ev_printerr (": "); |
573 | ev_printerr (err); |
598 | ev_printerr (strerror (errno)); |
574 | ev_printerr ("\n"); |
599 | ev_printerr ("\n"); |
575 | #else |
600 | #else |
576 | perror (msg); |
601 | perror (msg); |
577 | #endif |
602 | #endif |
578 | abort (); |
603 | abort (); |
… | |
… | |
612 | ptr = alloc (ptr, size); |
637 | ptr = alloc (ptr, size); |
613 | |
638 | |
614 | if (!ptr && size) |
639 | if (!ptr && size) |
615 | { |
640 | { |
616 | #if EV_AVOID_STDIO |
641 | #if EV_AVOID_STDIO |
617 | ev_printerr ("libev: memory allocation failed, aborting.\n"); |
642 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
618 | #else |
643 | #else |
619 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
644 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
620 | #endif |
645 | #endif |
621 | abort (); |
646 | abort (); |
622 | } |
647 | } |
623 | |
648 | |
624 | return ptr; |
649 | return ptr; |
… | |
… | |
641 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
666 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
642 | unsigned char unused; |
667 | unsigned char unused; |
643 | #if EV_USE_EPOLL |
668 | #if EV_USE_EPOLL |
644 | unsigned int egen; /* generation counter to counter epoll bugs */ |
669 | unsigned int egen; /* generation counter to counter epoll bugs */ |
645 | #endif |
670 | #endif |
646 | #if EV_SELECT_IS_WINSOCKET |
671 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
647 | SOCKET handle; |
672 | SOCKET handle; |
|
|
673 | #endif |
|
|
674 | #if EV_USE_IOCP |
|
|
675 | OVERLAPPED or, ow; |
648 | #endif |
676 | #endif |
649 | } ANFD; |
677 | } ANFD; |
650 | |
678 | |
651 | /* stores the pending event set for a given watcher */ |
679 | /* stores the pending event set for a given watcher */ |
652 | typedef struct |
680 | typedef struct |
… | |
… | |
717 | # define EV_RELEASE_CB (void)0 |
745 | # define EV_RELEASE_CB (void)0 |
718 | # define EV_ACQUIRE_CB (void)0 |
746 | # define EV_ACQUIRE_CB (void)0 |
719 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
747 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
720 | #endif |
748 | #endif |
721 | |
749 | |
722 | #define EVUNLOOP_RECURSE 0x80 |
750 | #define EVBREAK_RECURSE 0x80 |
723 | |
751 | |
724 | /*****************************************************************************/ |
752 | /*****************************************************************************/ |
725 | |
753 | |
726 | #ifndef EV_HAVE_EV_TIME |
754 | #ifndef EV_HAVE_EV_TIME |
727 | ev_tstamp |
755 | ev_tstamp |
… | |
… | |
771 | if (delay > 0.) |
799 | if (delay > 0.) |
772 | { |
800 | { |
773 | #if EV_USE_NANOSLEEP |
801 | #if EV_USE_NANOSLEEP |
774 | struct timespec ts; |
802 | struct timespec ts; |
775 | |
803 | |
776 | EV_SET_TS (ts, delay); |
804 | EV_TS_SET (ts, delay); |
777 | nanosleep (&ts, 0); |
805 | nanosleep (&ts, 0); |
778 | #elif defined(_WIN32) |
806 | #elif defined(_WIN32) |
779 | Sleep ((unsigned long)(delay * 1e3)); |
807 | Sleep ((unsigned long)(delay * 1e3)); |
780 | #else |
808 | #else |
781 | struct timeval tv; |
809 | struct timeval tv; |
782 | |
810 | |
783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
811 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
812 | /* something not guaranteed by newer posix versions, but guaranteed */ |
785 | /* by older ones */ |
813 | /* by older ones */ |
786 | EV_SET_TV (tv, delay); |
814 | EV_TV_SET (tv, delay); |
787 | select (0, 0, 0, 0, &tv); |
815 | select (0, 0, 0, 0, &tv); |
788 | #endif |
816 | #endif |
789 | } |
817 | } |
790 | } |
818 | } |
791 | |
819 | |
… | |
… | |
943 | { |
971 | { |
944 | int fd = fdchanges [i]; |
972 | int fd = fdchanges [i]; |
945 | ANFD *anfd = anfds + fd; |
973 | ANFD *anfd = anfds + fd; |
946 | ev_io *w; |
974 | ev_io *w; |
947 | |
975 | |
948 | unsigned char events = 0; |
976 | unsigned char o_events = anfd->events; |
|
|
977 | unsigned char o_reify = anfd->reify; |
949 | |
978 | |
950 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
979 | anfd->reify = 0; |
951 | events |= (unsigned char)w->events; |
|
|
952 | |
980 | |
953 | #if EV_SELECT_IS_WINSOCKET |
981 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
954 | if (events) |
982 | if (o_reify & EV__IOFDSET) |
955 | { |
983 | { |
956 | unsigned long arg; |
984 | unsigned long arg; |
957 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
985 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
958 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
986 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
987 | printf ("oi %d %x\n", fd, anfd->handle);//D |
959 | } |
988 | } |
960 | #endif |
989 | #endif |
961 | |
990 | |
|
|
991 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
962 | { |
992 | { |
963 | unsigned char o_events = anfd->events; |
|
|
964 | unsigned char o_reify = anfd->reify; |
|
|
965 | |
|
|
966 | anfd->reify = 0; |
|
|
967 | anfd->events = events; |
993 | anfd->events = 0; |
968 | |
994 | |
969 | if (o_events != events || o_reify & EV__IOFDSET) |
995 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
996 | anfd->events |= (unsigned char)w->events; |
|
|
997 | |
|
|
998 | if (o_events != anfd->events) |
|
|
999 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | if (o_reify & EV__IOFDSET) |
970 | backend_modify (EV_A_ fd, o_events, events); |
1003 | backend_modify (EV_A_ fd, o_events, anfd->events); |
971 | } |
|
|
972 | } |
1004 | } |
973 | |
1005 | |
974 | fdchangecnt = 0; |
1006 | fdchangecnt = 0; |
975 | } |
1007 | } |
976 | |
1008 | |
… | |
… | |
1459 | |
1491 | |
1460 | #endif |
1492 | #endif |
1461 | |
1493 | |
1462 | /*****************************************************************************/ |
1494 | /*****************************************************************************/ |
1463 | |
1495 | |
|
|
1496 | #if EV_USE_IOCP |
|
|
1497 | # include "ev_iocp.c" |
|
|
1498 | #endif |
1464 | #if EV_USE_PORT |
1499 | #if EV_USE_PORT |
1465 | # include "ev_port.c" |
1500 | # include "ev_port.c" |
1466 | #endif |
1501 | #endif |
1467 | #if EV_USE_KQUEUE |
1502 | #if EV_USE_KQUEUE |
1468 | # include "ev_kqueue.c" |
1503 | # include "ev_kqueue.c" |
… | |
… | |
1541 | ev_embeddable_backends (void) |
1576 | ev_embeddable_backends (void) |
1542 | { |
1577 | { |
1543 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1578 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1544 | |
1579 | |
1545 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1580 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1546 | /* please fix it and tell me how to detect the fix */ |
1581 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1547 | flags &= ~EVBACKEND_EPOLL; |
1582 | flags &= ~EVBACKEND_EPOLL; |
1548 | |
1583 | |
1549 | return flags; |
1584 | return flags; |
1550 | } |
1585 | } |
1551 | |
1586 | |
1552 | unsigned int |
1587 | unsigned int |
… | |
… | |
1665 | #endif |
1700 | #endif |
1666 | |
1701 | |
1667 | if (!(flags & 0x0000ffffU)) |
1702 | if (!(flags & 0x0000ffffU)) |
1668 | flags |= ev_recommended_backends (); |
1703 | flags |= ev_recommended_backends (); |
1669 | |
1704 | |
|
|
1705 | #if EV_USE_IOCP |
|
|
1706 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1707 | #endif |
1670 | #if EV_USE_PORT |
1708 | #if EV_USE_PORT |
1671 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1709 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1672 | #endif |
1710 | #endif |
1673 | #if EV_USE_KQUEUE |
1711 | #if EV_USE_KQUEUE |
1674 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1712 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1691 | #endif |
1729 | #endif |
1692 | } |
1730 | } |
1693 | } |
1731 | } |
1694 | |
1732 | |
1695 | /* free up a loop structure */ |
1733 | /* free up a loop structure */ |
1696 | static void noinline |
1734 | void |
1697 | loop_destroy (EV_P) |
1735 | ev_loop_destroy (EV_P) |
1698 | { |
1736 | { |
1699 | int i; |
1737 | int i; |
|
|
1738 | |
|
|
1739 | #if EV_MULTIPLICITY |
|
|
1740 | /* mimic free (0) */ |
|
|
1741 | if (!EV_A) |
|
|
1742 | return; |
|
|
1743 | #endif |
|
|
1744 | |
|
|
1745 | #if EV_CLEANUP_ENABLE |
|
|
1746 | /* queue cleanup watchers (and execute them) */ |
|
|
1747 | if (expect_false (cleanupcnt)) |
|
|
1748 | { |
|
|
1749 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1750 | EV_INVOKE_PENDING; |
|
|
1751 | } |
|
|
1752 | #endif |
|
|
1753 | |
|
|
1754 | #if EV_CHILD_ENABLE |
|
|
1755 | if (ev_is_active (&childev)) |
|
|
1756 | { |
|
|
1757 | ev_ref (EV_A); /* child watcher */ |
|
|
1758 | ev_signal_stop (EV_A_ &childev); |
|
|
1759 | } |
|
|
1760 | #endif |
1700 | |
1761 | |
1701 | if (ev_is_active (&pipe_w)) |
1762 | if (ev_is_active (&pipe_w)) |
1702 | { |
1763 | { |
1703 | /*ev_ref (EV_A);*/ |
1764 | /*ev_ref (EV_A);*/ |
1704 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1765 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1726 | #endif |
1787 | #endif |
1727 | |
1788 | |
1728 | if (backend_fd >= 0) |
1789 | if (backend_fd >= 0) |
1729 | close (backend_fd); |
1790 | close (backend_fd); |
1730 | |
1791 | |
|
|
1792 | #if EV_USE_IOCP |
|
|
1793 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1794 | #endif |
1731 | #if EV_USE_PORT |
1795 | #if EV_USE_PORT |
1732 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1796 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1733 | #endif |
1797 | #endif |
1734 | #if EV_USE_KQUEUE |
1798 | #if EV_USE_KQUEUE |
1735 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1799 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1762 | array_free (periodic, EMPTY); |
1826 | array_free (periodic, EMPTY); |
1763 | #endif |
1827 | #endif |
1764 | #if EV_FORK_ENABLE |
1828 | #if EV_FORK_ENABLE |
1765 | array_free (fork, EMPTY); |
1829 | array_free (fork, EMPTY); |
1766 | #endif |
1830 | #endif |
|
|
1831 | #if EV_CLEANUP_ENABLE |
|
|
1832 | array_free (cleanup, EMPTY); |
|
|
1833 | #endif |
1767 | array_free (prepare, EMPTY); |
1834 | array_free (prepare, EMPTY); |
1768 | array_free (check, EMPTY); |
1835 | array_free (check, EMPTY); |
1769 | #if EV_ASYNC_ENABLE |
1836 | #if EV_ASYNC_ENABLE |
1770 | array_free (async, EMPTY); |
1837 | array_free (async, EMPTY); |
1771 | #endif |
1838 | #endif |
1772 | |
1839 | |
1773 | backend = 0; |
1840 | backend = 0; |
|
|
1841 | |
|
|
1842 | #if EV_MULTIPLICITY |
|
|
1843 | if (ev_is_default_loop (EV_A)) |
|
|
1844 | #endif |
|
|
1845 | ev_default_loop_ptr = 0; |
|
|
1846 | #if EV_MULTIPLICITY |
|
|
1847 | else |
|
|
1848 | ev_free (EV_A); |
|
|
1849 | #endif |
1774 | } |
1850 | } |
1775 | |
1851 | |
1776 | #if EV_USE_INOTIFY |
1852 | #if EV_USE_INOTIFY |
1777 | inline_size void infy_fork (EV_P); |
1853 | inline_size void infy_fork (EV_P); |
1778 | #endif |
1854 | #endif |
… | |
… | |
1837 | loop_init (EV_A_ flags); |
1913 | loop_init (EV_A_ flags); |
1838 | |
1914 | |
1839 | if (ev_backend (EV_A)) |
1915 | if (ev_backend (EV_A)) |
1840 | return EV_A; |
1916 | return EV_A; |
1841 | |
1917 | |
|
|
1918 | ev_free (EV_A); |
1842 | return 0; |
1919 | return 0; |
1843 | } |
1920 | } |
1844 | |
1921 | |
1845 | void |
|
|
1846 | ev_loop_destroy (EV_P) |
|
|
1847 | { |
|
|
1848 | loop_destroy (EV_A); |
|
|
1849 | ev_free (loop); |
|
|
1850 | } |
|
|
1851 | |
|
|
1852 | void |
|
|
1853 | ev_loop_fork (EV_P) |
|
|
1854 | { |
|
|
1855 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1856 | } |
|
|
1857 | #endif /* multiplicity */ |
1922 | #endif /* multiplicity */ |
1858 | |
1923 | |
1859 | #if EV_VERIFY |
1924 | #if EV_VERIFY |
1860 | static void noinline |
1925 | static void noinline |
1861 | verify_watcher (EV_P_ W w) |
1926 | verify_watcher (EV_P_ W w) |
… | |
… | |
1936 | #if EV_FORK_ENABLE |
2001 | #if EV_FORK_ENABLE |
1937 | assert (forkmax >= forkcnt); |
2002 | assert (forkmax >= forkcnt); |
1938 | array_verify (EV_A_ (W *)forks, forkcnt); |
2003 | array_verify (EV_A_ (W *)forks, forkcnt); |
1939 | #endif |
2004 | #endif |
1940 | |
2005 | |
|
|
2006 | #if EV_CLEANUP_ENABLE |
|
|
2007 | assert (cleanupmax >= cleanupcnt); |
|
|
2008 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2009 | #endif |
|
|
2010 | |
1941 | #if EV_ASYNC_ENABLE |
2011 | #if EV_ASYNC_ENABLE |
1942 | assert (asyncmax >= asynccnt); |
2012 | assert (asyncmax >= asynccnt); |
1943 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2013 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1944 | #endif |
2014 | #endif |
1945 | |
2015 | |
… | |
… | |
1963 | } |
2033 | } |
1964 | #endif |
2034 | #endif |
1965 | |
2035 | |
1966 | #if EV_MULTIPLICITY |
2036 | #if EV_MULTIPLICITY |
1967 | struct ev_loop * |
2037 | struct ev_loop * |
1968 | ev_default_loop_init (unsigned int flags) |
|
|
1969 | #else |
2038 | #else |
1970 | int |
2039 | int |
|
|
2040 | #endif |
1971 | ev_default_loop (unsigned int flags) |
2041 | ev_default_loop (unsigned int flags) |
1972 | #endif |
|
|
1973 | { |
2042 | { |
1974 | if (!ev_default_loop_ptr) |
2043 | if (!ev_default_loop_ptr) |
1975 | { |
2044 | { |
1976 | #if EV_MULTIPLICITY |
2045 | #if EV_MULTIPLICITY |
1977 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2046 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1996 | |
2065 | |
1997 | return ev_default_loop_ptr; |
2066 | return ev_default_loop_ptr; |
1998 | } |
2067 | } |
1999 | |
2068 | |
2000 | void |
2069 | void |
2001 | ev_default_destroy (void) |
2070 | ev_loop_fork (EV_P) |
2002 | { |
2071 | { |
2003 | #if EV_MULTIPLICITY |
|
|
2004 | EV_P = ev_default_loop_ptr; |
|
|
2005 | #endif |
|
|
2006 | |
|
|
2007 | ev_default_loop_ptr = 0; |
|
|
2008 | |
|
|
2009 | #if EV_CHILD_ENABLE |
|
|
2010 | ev_ref (EV_A); /* child watcher */ |
|
|
2011 | ev_signal_stop (EV_A_ &childev); |
|
|
2012 | #endif |
|
|
2013 | |
|
|
2014 | loop_destroy (EV_A); |
|
|
2015 | } |
|
|
2016 | |
|
|
2017 | void |
|
|
2018 | ev_default_fork (void) |
|
|
2019 | { |
|
|
2020 | #if EV_MULTIPLICITY |
|
|
2021 | EV_P = ev_default_loop_ptr; |
|
|
2022 | #endif |
|
|
2023 | |
|
|
2024 | postfork = 1; /* must be in line with ev_loop_fork */ |
2072 | postfork = 1; /* must be in line with ev_default_fork */ |
2025 | } |
2073 | } |
2026 | |
2074 | |
2027 | /*****************************************************************************/ |
2075 | /*****************************************************************************/ |
2028 | |
2076 | |
2029 | void |
2077 | void |
… | |
… | |
2289 | mn_now = ev_rt_now; |
2337 | mn_now = ev_rt_now; |
2290 | } |
2338 | } |
2291 | } |
2339 | } |
2292 | |
2340 | |
2293 | void |
2341 | void |
2294 | ev_loop (EV_P_ int flags) |
2342 | ev_run (EV_P_ int flags) |
2295 | { |
2343 | { |
2296 | #if EV_FEATURE_API |
2344 | #if EV_FEATURE_API |
2297 | ++loop_depth; |
2345 | ++loop_depth; |
2298 | #endif |
2346 | #endif |
2299 | |
2347 | |
2300 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2348 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2301 | |
2349 | |
2302 | loop_done = EVUNLOOP_CANCEL; |
2350 | loop_done = EVBREAK_CANCEL; |
2303 | |
2351 | |
2304 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2352 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2305 | |
2353 | |
2306 | do |
2354 | do |
2307 | { |
2355 | { |
… | |
… | |
2350 | /* calculate blocking time */ |
2398 | /* calculate blocking time */ |
2351 | { |
2399 | { |
2352 | ev_tstamp waittime = 0.; |
2400 | ev_tstamp waittime = 0.; |
2353 | ev_tstamp sleeptime = 0.; |
2401 | ev_tstamp sleeptime = 0.; |
2354 | |
2402 | |
|
|
2403 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2404 | ev_tstamp prev_mn_now = mn_now; |
|
|
2405 | |
|
|
2406 | /* update time to cancel out callback processing overhead */ |
|
|
2407 | time_update (EV_A_ 1e100); |
|
|
2408 | |
2355 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2409 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2356 | { |
2410 | { |
2357 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2358 | ev_tstamp prev_mn_now = mn_now; |
|
|
2359 | |
|
|
2360 | /* update time to cancel out callback processing overhead */ |
|
|
2361 | time_update (EV_A_ 1e100); |
|
|
2362 | |
|
|
2363 | waittime = MAX_BLOCKTIME; |
2411 | waittime = MAX_BLOCKTIME; |
2364 | |
2412 | |
2365 | if (timercnt) |
2413 | if (timercnt) |
2366 | { |
2414 | { |
2367 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2415 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2397 | } |
2445 | } |
2398 | |
2446 | |
2399 | #if EV_FEATURE_API |
2447 | #if EV_FEATURE_API |
2400 | ++loop_count; |
2448 | ++loop_count; |
2401 | #endif |
2449 | #endif |
2402 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2450 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2403 | backend_poll (EV_A_ waittime); |
2451 | backend_poll (EV_A_ waittime); |
2404 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2452 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2405 | |
2453 | |
2406 | /* update ev_rt_now, do magic */ |
2454 | /* update ev_rt_now, do magic */ |
2407 | time_update (EV_A_ waittime + sleeptime); |
2455 | time_update (EV_A_ waittime + sleeptime); |
2408 | } |
2456 | } |
2409 | |
2457 | |
… | |
… | |
2427 | EV_INVOKE_PENDING; |
2475 | EV_INVOKE_PENDING; |
2428 | } |
2476 | } |
2429 | while (expect_true ( |
2477 | while (expect_true ( |
2430 | activecnt |
2478 | activecnt |
2431 | && !loop_done |
2479 | && !loop_done |
2432 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2480 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2433 | )); |
2481 | )); |
2434 | |
2482 | |
2435 | if (loop_done == EVUNLOOP_ONE) |
2483 | if (loop_done == EVBREAK_ONE) |
2436 | loop_done = EVUNLOOP_CANCEL; |
2484 | loop_done = EVBREAK_CANCEL; |
2437 | |
2485 | |
2438 | #if EV_FEATURE_API |
2486 | #if EV_FEATURE_API |
2439 | --loop_depth; |
2487 | --loop_depth; |
2440 | #endif |
2488 | #endif |
2441 | } |
2489 | } |
2442 | |
2490 | |
2443 | void |
2491 | void |
2444 | ev_unloop (EV_P_ int how) |
2492 | ev_break (EV_P_ int how) |
2445 | { |
2493 | { |
2446 | loop_done = how; |
2494 | loop_done = how; |
2447 | } |
2495 | } |
2448 | |
2496 | |
2449 | void |
2497 | void |
… | |
… | |
2597 | EV_FREQUENT_CHECK; |
2645 | EV_FREQUENT_CHECK; |
2598 | |
2646 | |
2599 | wlist_del (&anfds[w->fd].head, (WL)w); |
2647 | wlist_del (&anfds[w->fd].head, (WL)w); |
2600 | ev_stop (EV_A_ (W)w); |
2648 | ev_stop (EV_A_ (W)w); |
2601 | |
2649 | |
2602 | fd_change (EV_A_ w->fd, 1); |
2650 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2603 | |
2651 | |
2604 | EV_FREQUENT_CHECK; |
2652 | EV_FREQUENT_CHECK; |
2605 | } |
2653 | } |
2606 | |
2654 | |
2607 | void noinline |
2655 | void noinline |
… | |
… | |
3059 | { |
3107 | { |
3060 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3108 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3061 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3109 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3062 | ofs += sizeof (struct inotify_event) + ev->len; |
3110 | ofs += sizeof (struct inotify_event) + ev->len; |
3063 | } |
3111 | } |
3064 | } |
|
|
3065 | |
|
|
3066 | inline_size unsigned int |
|
|
3067 | ev_linux_version (void) |
|
|
3068 | { |
|
|
3069 | struct utsname buf; |
|
|
3070 | unsigned int v; |
|
|
3071 | int i; |
|
|
3072 | char *p = buf.release; |
|
|
3073 | |
|
|
3074 | if (uname (&buf)) |
|
|
3075 | return 0; |
|
|
3076 | |
|
|
3077 | for (i = 3+1; --i; ) |
|
|
3078 | { |
|
|
3079 | unsigned int c = 0; |
|
|
3080 | |
|
|
3081 | for (;;) |
|
|
3082 | { |
|
|
3083 | if (*p >= '0' && *p <= '9') |
|
|
3084 | c = c * 10 + *p++ - '0'; |
|
|
3085 | else |
|
|
3086 | { |
|
|
3087 | p += *p == '.'; |
|
|
3088 | break; |
|
|
3089 | } |
|
|
3090 | } |
|
|
3091 | |
|
|
3092 | v = (v << 8) | c; |
|
|
3093 | } |
|
|
3094 | |
|
|
3095 | return v; |
|
|
3096 | } |
3112 | } |
3097 | |
3113 | |
3098 | inline_size void |
3114 | inline_size void |
3099 | ev_check_2625 (EV_P) |
3115 | ev_check_2625 (EV_P) |
3100 | { |
3116 | { |
… | |
… | |
3424 | |
3440 | |
3425 | #if EV_EMBED_ENABLE |
3441 | #if EV_EMBED_ENABLE |
3426 | void noinline |
3442 | void noinline |
3427 | ev_embed_sweep (EV_P_ ev_embed *w) |
3443 | ev_embed_sweep (EV_P_ ev_embed *w) |
3428 | { |
3444 | { |
3429 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3445 | ev_run (w->other, EVRUN_NOWAIT); |
3430 | } |
3446 | } |
3431 | |
3447 | |
3432 | static void |
3448 | static void |
3433 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3449 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3434 | { |
3450 | { |
3435 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3451 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3436 | |
3452 | |
3437 | if (ev_cb (w)) |
3453 | if (ev_cb (w)) |
3438 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3454 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3439 | else |
3455 | else |
3440 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3456 | ev_run (w->other, EVRUN_NOWAIT); |
3441 | } |
3457 | } |
3442 | |
3458 | |
3443 | static void |
3459 | static void |
3444 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3460 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3445 | { |
3461 | { |
… | |
… | |
3449 | EV_P = w->other; |
3465 | EV_P = w->other; |
3450 | |
3466 | |
3451 | while (fdchangecnt) |
3467 | while (fdchangecnt) |
3452 | { |
3468 | { |
3453 | fd_reify (EV_A); |
3469 | fd_reify (EV_A); |
3454 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3470 | ev_run (EV_A_ EVRUN_NOWAIT); |
3455 | } |
3471 | } |
3456 | } |
3472 | } |
3457 | } |
3473 | } |
3458 | |
3474 | |
3459 | static void |
3475 | static void |
… | |
… | |
3465 | |
3481 | |
3466 | { |
3482 | { |
3467 | EV_P = w->other; |
3483 | EV_P = w->other; |
3468 | |
3484 | |
3469 | ev_loop_fork (EV_A); |
3485 | ev_loop_fork (EV_A); |
3470 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3486 | ev_run (EV_A_ EVRUN_NOWAIT); |
3471 | } |
3487 | } |
3472 | |
3488 | |
3473 | ev_embed_start (EV_A_ w); |
3489 | ev_embed_start (EV_A_ w); |
3474 | } |
3490 | } |
3475 | |
3491 | |
… | |
… | |
3567 | |
3583 | |
3568 | EV_FREQUENT_CHECK; |
3584 | EV_FREQUENT_CHECK; |
3569 | } |
3585 | } |
3570 | #endif |
3586 | #endif |
3571 | |
3587 | |
3572 | #if EV_ASYNC_ENABLE |
3588 | #if EV_CLEANUP_ENABLE |
3573 | void |
3589 | void |
3574 | ev_async_start (EV_P_ ev_async *w) |
3590 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3575 | { |
3591 | { |
3576 | if (expect_false (ev_is_active (w))) |
3592 | if (expect_false (ev_is_active (w))) |
3577 | return; |
3593 | return; |
|
|
3594 | |
|
|
3595 | EV_FREQUENT_CHECK; |
|
|
3596 | |
|
|
3597 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3598 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3599 | cleanups [cleanupcnt - 1] = w; |
|
|
3600 | |
|
|
3601 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3602 | ev_unref (EV_A); |
|
|
3603 | EV_FREQUENT_CHECK; |
|
|
3604 | } |
|
|
3605 | |
|
|
3606 | void |
|
|
3607 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3608 | { |
|
|
3609 | clear_pending (EV_A_ (W)w); |
|
|
3610 | if (expect_false (!ev_is_active (w))) |
|
|
3611 | return; |
|
|
3612 | |
|
|
3613 | EV_FREQUENT_CHECK; |
|
|
3614 | ev_ref (EV_A); |
|
|
3615 | |
|
|
3616 | { |
|
|
3617 | int active = ev_active (w); |
|
|
3618 | |
|
|
3619 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3620 | ev_active (cleanups [active - 1]) = active; |
|
|
3621 | } |
|
|
3622 | |
|
|
3623 | ev_stop (EV_A_ (W)w); |
|
|
3624 | |
|
|
3625 | EV_FREQUENT_CHECK; |
|
|
3626 | } |
|
|
3627 | #endif |
|
|
3628 | |
|
|
3629 | #if EV_ASYNC_ENABLE |
|
|
3630 | void |
|
|
3631 | ev_async_start (EV_P_ ev_async *w) |
|
|
3632 | { |
|
|
3633 | if (expect_false (ev_is_active (w))) |
|
|
3634 | return; |
|
|
3635 | |
|
|
3636 | w->sent = 0; |
3578 | |
3637 | |
3579 | evpipe_init (EV_A); |
3638 | evpipe_init (EV_A); |
3580 | |
3639 | |
3581 | EV_FREQUENT_CHECK; |
3640 | EV_FREQUENT_CHECK; |
3582 | |
3641 | |
… | |
… | |
3802 | |
3861 | |
3803 | #if EV_MULTIPLICITY |
3862 | #if EV_MULTIPLICITY |
3804 | #include "ev_wrap.h" |
3863 | #include "ev_wrap.h" |
3805 | #endif |
3864 | #endif |
3806 | |
3865 | |
3807 | #ifdef __cplusplus |
3866 | EV_CPP(}) |
3808 | } |
|
|
3809 | #endif |
|
|
3810 | |
3867 | |