… | |
… | |
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 |
436 | #endif |
451 | #endif |
|
|
452 | |
|
|
453 | |
437 | |
454 | /**/ |
438 | /**/ |
455 | |
439 | |
456 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
457 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
… | |
… | |
470 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
471 | |
455 | |
472 | #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) */ |
473 | #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) */ |
474 | |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } 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) |
|
|
461 | |
475 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
476 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
477 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
478 | #else |
465 | #else |
479 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
535 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
536 | #endif |
523 | #endif |
537 | |
524 | |
538 | /*****************************************************************************/ |
525 | /*****************************************************************************/ |
539 | |
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 | |
540 | #if EV_AVOID_STDIO |
569 | #if EV_AVOID_STDIO |
541 | static void noinline |
570 | static void noinline |
542 | ev_printerr (const char *msg) |
571 | ev_printerr (const char *msg) |
543 | { |
572 | { |
544 | write (STDERR_FILENO, msg, strlen (msg)); |
573 | write (STDERR_FILENO, msg, strlen (msg)); |
… | |
… | |
639 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
668 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
640 | unsigned char unused; |
669 | unsigned char unused; |
641 | #if EV_USE_EPOLL |
670 | #if EV_USE_EPOLL |
642 | unsigned int egen; /* generation counter to counter epoll bugs */ |
671 | unsigned int egen; /* generation counter to counter epoll bugs */ |
643 | #endif |
672 | #endif |
644 | #if EV_SELECT_IS_WINSOCKET |
673 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
645 | SOCKET handle; |
674 | SOCKET handle; |
|
|
675 | #endif |
|
|
676 | #if EV_USE_IOCP |
|
|
677 | OVERLAPPED or, ow; |
646 | #endif |
678 | #endif |
647 | } ANFD; |
679 | } ANFD; |
648 | |
680 | |
649 | /* stores the pending event set for a given watcher */ |
681 | /* stores the pending event set for a given watcher */ |
650 | typedef struct |
682 | typedef struct |
… | |
… | |
715 | # define EV_RELEASE_CB (void)0 |
747 | # define EV_RELEASE_CB (void)0 |
716 | # define EV_ACQUIRE_CB (void)0 |
748 | # define EV_ACQUIRE_CB (void)0 |
717 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
749 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
718 | #endif |
750 | #endif |
719 | |
751 | |
720 | #define EVUNLOOP_RECURSE 0x80 |
752 | #define EVBREAK_RECURSE 0x80 |
721 | |
753 | |
722 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
723 | |
755 | |
724 | #ifndef EV_HAVE_EV_TIME |
756 | #ifndef EV_HAVE_EV_TIME |
725 | ev_tstamp |
757 | ev_tstamp |
… | |
… | |
769 | if (delay > 0.) |
801 | if (delay > 0.) |
770 | { |
802 | { |
771 | #if EV_USE_NANOSLEEP |
803 | #if EV_USE_NANOSLEEP |
772 | struct timespec ts; |
804 | struct timespec ts; |
773 | |
805 | |
774 | ts.tv_sec = (time_t)delay; |
806 | EV_TS_SET (ts, delay); |
775 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
776 | |
|
|
777 | nanosleep (&ts, 0); |
807 | nanosleep (&ts, 0); |
778 | #elif defined(_WIN32) |
808 | #elif defined(_WIN32) |
779 | Sleep ((unsigned long)(delay * 1e3)); |
809 | Sleep ((unsigned long)(delay * 1e3)); |
780 | #else |
810 | #else |
781 | struct timeval tv; |
811 | struct timeval tv; |
782 | |
812 | |
783 | tv.tv_sec = (time_t)delay; |
|
|
784 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
785 | |
|
|
786 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
813 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
787 | /* something not guaranteed by newer posix versions, but guaranteed */ |
814 | /* something not guaranteed by newer posix versions, but guaranteed */ |
788 | /* by older ones */ |
815 | /* by older ones */ |
|
|
816 | EV_TV_SET (tv, delay); |
789 | select (0, 0, 0, 0, &tv); |
817 | select (0, 0, 0, 0, &tv); |
790 | #endif |
818 | #endif |
791 | } |
819 | } |
792 | } |
820 | } |
793 | |
821 | |
… | |
… | |
945 | { |
973 | { |
946 | int fd = fdchanges [i]; |
974 | int fd = fdchanges [i]; |
947 | ANFD *anfd = anfds + fd; |
975 | ANFD *anfd = anfds + fd; |
948 | ev_io *w; |
976 | ev_io *w; |
949 | |
977 | |
950 | unsigned char events = 0; |
978 | unsigned char o_events = anfd->events; |
|
|
979 | unsigned char o_reify = anfd->reify; |
951 | |
980 | |
952 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
981 | anfd->reify = 0; |
953 | events |= (unsigned char)w->events; |
|
|
954 | |
982 | |
955 | #if EV_SELECT_IS_WINSOCKET |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
956 | if (events) |
984 | if (o_reify & EV__IOFDSET) |
957 | { |
985 | { |
958 | unsigned long arg; |
986 | unsigned long arg; |
959 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
960 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
988 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
989 | printf ("oi %d %x\n", fd, anfd->handle);//D |
961 | } |
990 | } |
962 | #endif |
991 | #endif |
963 | |
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
964 | { |
994 | { |
965 | unsigned char o_events = anfd->events; |
|
|
966 | unsigned char o_reify = anfd->reify; |
|
|
967 | |
|
|
968 | anfd->reify = 0; |
|
|
969 | anfd->events = events; |
995 | anfd->events = 0; |
970 | |
996 | |
971 | if (o_events != events || o_reify & EV__IOFDSET) |
997 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
998 | anfd->events |= (unsigned char)w->events; |
|
|
999 | |
|
|
1000 | if (o_events != anfd->events) |
|
|
1001 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | if (o_reify & EV__IOFDSET) |
972 | backend_modify (EV_A_ fd, o_events, events); |
1005 | backend_modify (EV_A_ fd, o_events, anfd->events); |
973 | } |
|
|
974 | } |
1006 | } |
975 | |
1007 | |
976 | fdchangecnt = 0; |
1008 | fdchangecnt = 0; |
977 | } |
1009 | } |
978 | |
1010 | |
… | |
… | |
1461 | |
1493 | |
1462 | #endif |
1494 | #endif |
1463 | |
1495 | |
1464 | /*****************************************************************************/ |
1496 | /*****************************************************************************/ |
1465 | |
1497 | |
|
|
1498 | #if EV_USE_IOCP |
|
|
1499 | # include "ev_iocp.c" |
|
|
1500 | #endif |
1466 | #if EV_USE_PORT |
1501 | #if EV_USE_PORT |
1467 | # include "ev_port.c" |
1502 | # include "ev_port.c" |
1468 | #endif |
1503 | #endif |
1469 | #if EV_USE_KQUEUE |
1504 | #if EV_USE_KQUEUE |
1470 | # include "ev_kqueue.c" |
1505 | # include "ev_kqueue.c" |
… | |
… | |
1543 | ev_embeddable_backends (void) |
1578 | ev_embeddable_backends (void) |
1544 | { |
1579 | { |
1545 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1546 | |
1581 | |
1547 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1582 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1548 | /* please fix it and tell me how to detect the fix */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1549 | flags &= ~EVBACKEND_EPOLL; |
1584 | flags &= ~EVBACKEND_EPOLL; |
1550 | |
1585 | |
1551 | return flags; |
1586 | return flags; |
1552 | } |
1587 | } |
1553 | |
1588 | |
1554 | unsigned int |
1589 | unsigned int |
… | |
… | |
1667 | #endif |
1702 | #endif |
1668 | |
1703 | |
1669 | if (!(flags & 0x0000ffffU)) |
1704 | if (!(flags & 0x0000ffffU)) |
1670 | flags |= ev_recommended_backends (); |
1705 | flags |= ev_recommended_backends (); |
1671 | |
1706 | |
|
|
1707 | #if EV_USE_IOCP |
|
|
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1709 | #endif |
1672 | #if EV_USE_PORT |
1710 | #if EV_USE_PORT |
1673 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1711 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1674 | #endif |
1712 | #endif |
1675 | #if EV_USE_KQUEUE |
1713 | #if EV_USE_KQUEUE |
1676 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1714 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1693 | #endif |
1731 | #endif |
1694 | } |
1732 | } |
1695 | } |
1733 | } |
1696 | |
1734 | |
1697 | /* free up a loop structure */ |
1735 | /* free up a loop structure */ |
1698 | static void noinline |
1736 | void |
1699 | loop_destroy (EV_P) |
1737 | ev_loop_destroy (EV_P) |
1700 | { |
1738 | { |
1701 | int i; |
1739 | int i; |
|
|
1740 | |
|
|
1741 | #if EV_MULTIPLICITY |
|
|
1742 | /* mimic free (0) */ |
|
|
1743 | if (!EV_A) |
|
|
1744 | return; |
|
|
1745 | #endif |
|
|
1746 | |
|
|
1747 | #if EV_CLEANUP_ENABLE |
|
|
1748 | /* queue cleanup watchers (and execute them) */ |
|
|
1749 | if (expect_false (cleanupcnt)) |
|
|
1750 | { |
|
|
1751 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
1752 | EV_INVOKE_PENDING; |
|
|
1753 | } |
|
|
1754 | #endif |
|
|
1755 | |
|
|
1756 | #if EV_CHILD_ENABLE |
|
|
1757 | if (ev_is_active (&childev)) |
|
|
1758 | { |
|
|
1759 | ev_ref (EV_A); /* child watcher */ |
|
|
1760 | ev_signal_stop (EV_A_ &childev); |
|
|
1761 | } |
|
|
1762 | #endif |
1702 | |
1763 | |
1703 | if (ev_is_active (&pipe_w)) |
1764 | if (ev_is_active (&pipe_w)) |
1704 | { |
1765 | { |
1705 | /*ev_ref (EV_A);*/ |
1766 | /*ev_ref (EV_A);*/ |
1706 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1767 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1728 | #endif |
1789 | #endif |
1729 | |
1790 | |
1730 | if (backend_fd >= 0) |
1791 | if (backend_fd >= 0) |
1731 | close (backend_fd); |
1792 | close (backend_fd); |
1732 | |
1793 | |
|
|
1794 | #if EV_USE_IOCP |
|
|
1795 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1796 | #endif |
1733 | #if EV_USE_PORT |
1797 | #if EV_USE_PORT |
1734 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1798 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1735 | #endif |
1799 | #endif |
1736 | #if EV_USE_KQUEUE |
1800 | #if EV_USE_KQUEUE |
1737 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1801 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1764 | array_free (periodic, EMPTY); |
1828 | array_free (periodic, EMPTY); |
1765 | #endif |
1829 | #endif |
1766 | #if EV_FORK_ENABLE |
1830 | #if EV_FORK_ENABLE |
1767 | array_free (fork, EMPTY); |
1831 | array_free (fork, EMPTY); |
1768 | #endif |
1832 | #endif |
|
|
1833 | #if EV_CLEANUP_ENABLE |
|
|
1834 | array_free (cleanup, EMPTY); |
|
|
1835 | #endif |
1769 | array_free (prepare, EMPTY); |
1836 | array_free (prepare, EMPTY); |
1770 | array_free (check, EMPTY); |
1837 | array_free (check, EMPTY); |
1771 | #if EV_ASYNC_ENABLE |
1838 | #if EV_ASYNC_ENABLE |
1772 | array_free (async, EMPTY); |
1839 | array_free (async, EMPTY); |
1773 | #endif |
1840 | #endif |
1774 | |
1841 | |
1775 | backend = 0; |
1842 | backend = 0; |
|
|
1843 | |
|
|
1844 | #if EV_MULTIPLICITY |
|
|
1845 | if (ev_is_default_loop (EV_A)) |
|
|
1846 | #endif |
|
|
1847 | ev_default_loop_ptr = 0; |
|
|
1848 | #if EV_MULTIPLICITY |
|
|
1849 | else |
|
|
1850 | ev_free (EV_A); |
|
|
1851 | #endif |
1776 | } |
1852 | } |
1777 | |
1853 | |
1778 | #if EV_USE_INOTIFY |
1854 | #if EV_USE_INOTIFY |
1779 | inline_size void infy_fork (EV_P); |
1855 | inline_size void infy_fork (EV_P); |
1780 | #endif |
1856 | #endif |
… | |
… | |
1839 | loop_init (EV_A_ flags); |
1915 | loop_init (EV_A_ flags); |
1840 | |
1916 | |
1841 | if (ev_backend (EV_A)) |
1917 | if (ev_backend (EV_A)) |
1842 | return EV_A; |
1918 | return EV_A; |
1843 | |
1919 | |
|
|
1920 | ev_free (EV_A); |
1844 | return 0; |
1921 | return 0; |
1845 | } |
1922 | } |
1846 | |
1923 | |
1847 | void |
|
|
1848 | ev_loop_destroy (EV_P) |
|
|
1849 | { |
|
|
1850 | loop_destroy (EV_A); |
|
|
1851 | ev_free (loop); |
|
|
1852 | } |
|
|
1853 | |
|
|
1854 | void |
|
|
1855 | ev_loop_fork (EV_P) |
|
|
1856 | { |
|
|
1857 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1858 | } |
|
|
1859 | #endif /* multiplicity */ |
1924 | #endif /* multiplicity */ |
1860 | |
1925 | |
1861 | #if EV_VERIFY |
1926 | #if EV_VERIFY |
1862 | static void noinline |
1927 | static void noinline |
1863 | verify_watcher (EV_P_ W w) |
1928 | verify_watcher (EV_P_ W w) |
… | |
… | |
1938 | #if EV_FORK_ENABLE |
2003 | #if EV_FORK_ENABLE |
1939 | assert (forkmax >= forkcnt); |
2004 | assert (forkmax >= forkcnt); |
1940 | array_verify (EV_A_ (W *)forks, forkcnt); |
2005 | array_verify (EV_A_ (W *)forks, forkcnt); |
1941 | #endif |
2006 | #endif |
1942 | |
2007 | |
|
|
2008 | #if EV_CLEANUP_ENABLE |
|
|
2009 | assert (cleanupmax >= cleanupcnt); |
|
|
2010 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2011 | #endif |
|
|
2012 | |
1943 | #if EV_ASYNC_ENABLE |
2013 | #if EV_ASYNC_ENABLE |
1944 | assert (asyncmax >= asynccnt); |
2014 | assert (asyncmax >= asynccnt); |
1945 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
2015 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
1946 | #endif |
2016 | #endif |
1947 | |
2017 | |
… | |
… | |
1965 | } |
2035 | } |
1966 | #endif |
2036 | #endif |
1967 | |
2037 | |
1968 | #if EV_MULTIPLICITY |
2038 | #if EV_MULTIPLICITY |
1969 | struct ev_loop * |
2039 | struct ev_loop * |
1970 | ev_default_loop_init (unsigned int flags) |
|
|
1971 | #else |
2040 | #else |
1972 | int |
2041 | int |
|
|
2042 | #endif |
1973 | ev_default_loop (unsigned int flags) |
2043 | ev_default_loop (unsigned int flags) |
1974 | #endif |
|
|
1975 | { |
2044 | { |
1976 | if (!ev_default_loop_ptr) |
2045 | if (!ev_default_loop_ptr) |
1977 | { |
2046 | { |
1978 | #if EV_MULTIPLICITY |
2047 | #if EV_MULTIPLICITY |
1979 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2048 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1998 | |
2067 | |
1999 | return ev_default_loop_ptr; |
2068 | return ev_default_loop_ptr; |
2000 | } |
2069 | } |
2001 | |
2070 | |
2002 | void |
2071 | void |
2003 | ev_default_destroy (void) |
2072 | ev_loop_fork (EV_P) |
2004 | { |
2073 | { |
2005 | #if EV_MULTIPLICITY |
|
|
2006 | EV_P = ev_default_loop_ptr; |
|
|
2007 | #endif |
|
|
2008 | |
|
|
2009 | ev_default_loop_ptr = 0; |
|
|
2010 | |
|
|
2011 | #if EV_CHILD_ENABLE |
|
|
2012 | ev_ref (EV_A); /* child watcher */ |
|
|
2013 | ev_signal_stop (EV_A_ &childev); |
|
|
2014 | #endif |
|
|
2015 | |
|
|
2016 | loop_destroy (EV_A); |
|
|
2017 | } |
|
|
2018 | |
|
|
2019 | void |
|
|
2020 | ev_default_fork (void) |
|
|
2021 | { |
|
|
2022 | #if EV_MULTIPLICITY |
|
|
2023 | EV_P = ev_default_loop_ptr; |
|
|
2024 | #endif |
|
|
2025 | |
|
|
2026 | postfork = 1; /* must be in line with ev_loop_fork */ |
2074 | postfork = 1; /* must be in line with ev_default_fork */ |
2027 | } |
2075 | } |
2028 | |
2076 | |
2029 | /*****************************************************************************/ |
2077 | /*****************************************************************************/ |
2030 | |
2078 | |
2031 | void |
2079 | void |
… | |
… | |
2291 | mn_now = ev_rt_now; |
2339 | mn_now = ev_rt_now; |
2292 | } |
2340 | } |
2293 | } |
2341 | } |
2294 | |
2342 | |
2295 | void |
2343 | void |
2296 | ev_loop (EV_P_ int flags) |
2344 | ev_run (EV_P_ int flags) |
2297 | { |
2345 | { |
2298 | #if EV_FEATURE_API |
2346 | #if EV_FEATURE_API |
2299 | ++loop_depth; |
2347 | ++loop_depth; |
2300 | #endif |
2348 | #endif |
2301 | |
2349 | |
2302 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2350 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2303 | |
2351 | |
2304 | loop_done = EVUNLOOP_CANCEL; |
2352 | loop_done = EVBREAK_CANCEL; |
2305 | |
2353 | |
2306 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2354 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2307 | |
2355 | |
2308 | do |
2356 | do |
2309 | { |
2357 | { |
… | |
… | |
2352 | /* calculate blocking time */ |
2400 | /* calculate blocking time */ |
2353 | { |
2401 | { |
2354 | ev_tstamp waittime = 0.; |
2402 | ev_tstamp waittime = 0.; |
2355 | ev_tstamp sleeptime = 0.; |
2403 | ev_tstamp sleeptime = 0.; |
2356 | |
2404 | |
|
|
2405 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2406 | ev_tstamp prev_mn_now = mn_now; |
|
|
2407 | |
|
|
2408 | /* update time to cancel out callback processing overhead */ |
|
|
2409 | time_update (EV_A_ 1e100); |
|
|
2410 | |
2357 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2411 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2358 | { |
2412 | { |
2359 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2360 | ev_tstamp prev_mn_now = mn_now; |
|
|
2361 | |
|
|
2362 | /* update time to cancel out callback processing overhead */ |
|
|
2363 | time_update (EV_A_ 1e100); |
|
|
2364 | |
|
|
2365 | waittime = MAX_BLOCKTIME; |
2413 | waittime = MAX_BLOCKTIME; |
2366 | |
2414 | |
2367 | if (timercnt) |
2415 | if (timercnt) |
2368 | { |
2416 | { |
2369 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2417 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2399 | } |
2447 | } |
2400 | |
2448 | |
2401 | #if EV_FEATURE_API |
2449 | #if EV_FEATURE_API |
2402 | ++loop_count; |
2450 | ++loop_count; |
2403 | #endif |
2451 | #endif |
2404 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2452 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2405 | backend_poll (EV_A_ waittime); |
2453 | backend_poll (EV_A_ waittime); |
2406 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2454 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2407 | |
2455 | |
2408 | /* update ev_rt_now, do magic */ |
2456 | /* update ev_rt_now, do magic */ |
2409 | time_update (EV_A_ waittime + sleeptime); |
2457 | time_update (EV_A_ waittime + sleeptime); |
2410 | } |
2458 | } |
2411 | |
2459 | |
… | |
… | |
2429 | EV_INVOKE_PENDING; |
2477 | EV_INVOKE_PENDING; |
2430 | } |
2478 | } |
2431 | while (expect_true ( |
2479 | while (expect_true ( |
2432 | activecnt |
2480 | activecnt |
2433 | && !loop_done |
2481 | && !loop_done |
2434 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2482 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2435 | )); |
2483 | )); |
2436 | |
2484 | |
2437 | if (loop_done == EVUNLOOP_ONE) |
2485 | if (loop_done == EVBREAK_ONE) |
2438 | loop_done = EVUNLOOP_CANCEL; |
2486 | loop_done = EVBREAK_CANCEL; |
2439 | |
2487 | |
2440 | #if EV_FEATURE_API |
2488 | #if EV_FEATURE_API |
2441 | --loop_depth; |
2489 | --loop_depth; |
2442 | #endif |
2490 | #endif |
2443 | } |
2491 | } |
2444 | |
2492 | |
2445 | void |
2493 | void |
2446 | ev_unloop (EV_P_ int how) |
2494 | ev_break (EV_P_ int how) |
2447 | { |
2495 | { |
2448 | loop_done = how; |
2496 | loop_done = how; |
2449 | } |
2497 | } |
2450 | |
2498 | |
2451 | void |
2499 | void |
… | |
… | |
2599 | EV_FREQUENT_CHECK; |
2647 | EV_FREQUENT_CHECK; |
2600 | |
2648 | |
2601 | wlist_del (&anfds[w->fd].head, (WL)w); |
2649 | wlist_del (&anfds[w->fd].head, (WL)w); |
2602 | ev_stop (EV_A_ (W)w); |
2650 | ev_stop (EV_A_ (W)w); |
2603 | |
2651 | |
2604 | fd_change (EV_A_ w->fd, 1); |
2652 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2605 | |
2653 | |
2606 | EV_FREQUENT_CHECK; |
2654 | EV_FREQUENT_CHECK; |
2607 | } |
2655 | } |
2608 | |
2656 | |
2609 | void noinline |
2657 | void noinline |
… | |
… | |
3061 | { |
3109 | { |
3062 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3110 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3063 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3111 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3064 | ofs += sizeof (struct inotify_event) + ev->len; |
3112 | ofs += sizeof (struct inotify_event) + ev->len; |
3065 | } |
3113 | } |
3066 | } |
|
|
3067 | |
|
|
3068 | inline_size unsigned int |
|
|
3069 | ev_linux_version (void) |
|
|
3070 | { |
|
|
3071 | struct utsname buf; |
|
|
3072 | unsigned int v; |
|
|
3073 | int i; |
|
|
3074 | char *p = buf.release; |
|
|
3075 | |
|
|
3076 | if (uname (&buf)) |
|
|
3077 | return 0; |
|
|
3078 | |
|
|
3079 | for (i = 3+1; --i; ) |
|
|
3080 | { |
|
|
3081 | unsigned int c = 0; |
|
|
3082 | |
|
|
3083 | for (;;) |
|
|
3084 | { |
|
|
3085 | if (*p >= '0' && *p <= '9') |
|
|
3086 | c = c * 10 + *p++ - '0'; |
|
|
3087 | else |
|
|
3088 | { |
|
|
3089 | p += *p == '.'; |
|
|
3090 | break; |
|
|
3091 | } |
|
|
3092 | } |
|
|
3093 | |
|
|
3094 | v = (v << 8) | c; |
|
|
3095 | } |
|
|
3096 | |
|
|
3097 | return v; |
|
|
3098 | } |
3114 | } |
3099 | |
3115 | |
3100 | inline_size void |
3116 | inline_size void |
3101 | ev_check_2625 (EV_P) |
3117 | ev_check_2625 (EV_P) |
3102 | { |
3118 | { |
… | |
… | |
3426 | |
3442 | |
3427 | #if EV_EMBED_ENABLE |
3443 | #if EV_EMBED_ENABLE |
3428 | void noinline |
3444 | void noinline |
3429 | ev_embed_sweep (EV_P_ ev_embed *w) |
3445 | ev_embed_sweep (EV_P_ ev_embed *w) |
3430 | { |
3446 | { |
3431 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3447 | ev_run (w->other, EVRUN_NOWAIT); |
3432 | } |
3448 | } |
3433 | |
3449 | |
3434 | static void |
3450 | static void |
3435 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3451 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3436 | { |
3452 | { |
3437 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3453 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3438 | |
3454 | |
3439 | if (ev_cb (w)) |
3455 | if (ev_cb (w)) |
3440 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3456 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3441 | else |
3457 | else |
3442 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3458 | ev_run (w->other, EVRUN_NOWAIT); |
3443 | } |
3459 | } |
3444 | |
3460 | |
3445 | static void |
3461 | static void |
3446 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3462 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3447 | { |
3463 | { |
… | |
… | |
3451 | EV_P = w->other; |
3467 | EV_P = w->other; |
3452 | |
3468 | |
3453 | while (fdchangecnt) |
3469 | while (fdchangecnt) |
3454 | { |
3470 | { |
3455 | fd_reify (EV_A); |
3471 | fd_reify (EV_A); |
3456 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3472 | ev_run (EV_A_ EVRUN_NOWAIT); |
3457 | } |
3473 | } |
3458 | } |
3474 | } |
3459 | } |
3475 | } |
3460 | |
3476 | |
3461 | static void |
3477 | static void |
… | |
… | |
3467 | |
3483 | |
3468 | { |
3484 | { |
3469 | EV_P = w->other; |
3485 | EV_P = w->other; |
3470 | |
3486 | |
3471 | ev_loop_fork (EV_A); |
3487 | ev_loop_fork (EV_A); |
3472 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3488 | ev_run (EV_A_ EVRUN_NOWAIT); |
3473 | } |
3489 | } |
3474 | |
3490 | |
3475 | ev_embed_start (EV_A_ w); |
3491 | ev_embed_start (EV_A_ w); |
3476 | } |
3492 | } |
3477 | |
3493 | |
… | |
… | |
3569 | |
3585 | |
3570 | EV_FREQUENT_CHECK; |
3586 | EV_FREQUENT_CHECK; |
3571 | } |
3587 | } |
3572 | #endif |
3588 | #endif |
3573 | |
3589 | |
3574 | #if EV_ASYNC_ENABLE |
3590 | #if EV_CLEANUP_ENABLE |
3575 | void |
3591 | void |
3576 | ev_async_start (EV_P_ ev_async *w) |
3592 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
3577 | { |
3593 | { |
3578 | if (expect_false (ev_is_active (w))) |
3594 | if (expect_false (ev_is_active (w))) |
3579 | return; |
3595 | return; |
|
|
3596 | |
|
|
3597 | EV_FREQUENT_CHECK; |
|
|
3598 | |
|
|
3599 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
3600 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
3601 | cleanups [cleanupcnt - 1] = w; |
|
|
3602 | |
|
|
3603 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
3604 | ev_unref (EV_A); |
|
|
3605 | EV_FREQUENT_CHECK; |
|
|
3606 | } |
|
|
3607 | |
|
|
3608 | void |
|
|
3609 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
3610 | { |
|
|
3611 | clear_pending (EV_A_ (W)w); |
|
|
3612 | if (expect_false (!ev_is_active (w))) |
|
|
3613 | return; |
|
|
3614 | |
|
|
3615 | EV_FREQUENT_CHECK; |
|
|
3616 | ev_ref (EV_A); |
|
|
3617 | |
|
|
3618 | { |
|
|
3619 | int active = ev_active (w); |
|
|
3620 | |
|
|
3621 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
3622 | ev_active (cleanups [active - 1]) = active; |
|
|
3623 | } |
|
|
3624 | |
|
|
3625 | ev_stop (EV_A_ (W)w); |
|
|
3626 | |
|
|
3627 | EV_FREQUENT_CHECK; |
|
|
3628 | } |
|
|
3629 | #endif |
|
|
3630 | |
|
|
3631 | #if EV_ASYNC_ENABLE |
|
|
3632 | void |
|
|
3633 | ev_async_start (EV_P_ ev_async *w) |
|
|
3634 | { |
|
|
3635 | if (expect_false (ev_is_active (w))) |
|
|
3636 | return; |
|
|
3637 | |
|
|
3638 | w->sent = 0; |
3580 | |
3639 | |
3581 | evpipe_init (EV_A); |
3640 | evpipe_init (EV_A); |
3582 | |
3641 | |
3583 | EV_FREQUENT_CHECK; |
3642 | EV_FREQUENT_CHECK; |
3584 | |
3643 | |
… | |
… | |
3804 | |
3863 | |
3805 | #if EV_MULTIPLICITY |
3864 | #if EV_MULTIPLICITY |
3806 | #include "ev_wrap.h" |
3865 | #include "ev_wrap.h" |
3807 | #endif |
3866 | #endif |
3808 | |
3867 | |
3809 | #ifdef __cplusplus |
3868 | EV_CPP(}) |
3810 | } |
|
|
3811 | #endif |
|
|
3812 | |
3869 | |