… | |
… | |
302 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
303 | # endif |
303 | # endif |
304 | #endif |
304 | #endif |
305 | |
305 | |
306 | #ifndef EV_USE_SIGNALFD |
306 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
308 | # define EV_USE_SIGNALFD 1 |
309 | # else |
309 | # else |
310 | # define EV_USE_SIGNALFD 0 |
310 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
311 | # endif |
312 | #endif |
312 | #endif |
… | |
… | |
386 | # include <stdint.h> |
386 | # include <stdint.h> |
387 | # ifndef EFD_NONBLOCK |
387 | # ifndef EFD_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # endif |
389 | # endif |
390 | # ifndef EFD_CLOEXEC |
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
391 | # define EFD_CLOEXEC O_CLOEXEC |
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # else |
|
|
394 | # define EFD_CLOEXEC 02000000 |
|
|
395 | # endif |
392 | # endif |
396 | # endif |
393 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
394 | extern "C" { |
398 | extern "C" { |
395 | # endif |
399 | # endif |
396 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
… | |
… | |
398 | } |
402 | } |
399 | # endif |
403 | # endif |
400 | #endif |
404 | #endif |
401 | |
405 | |
402 | #if EV_USE_SIGNALFD |
406 | #if EV_USE_SIGNALFD |
403 | # include <sys/signalfd.h> |
407 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
408 | # include <stdint.h> |
|
|
409 | # ifndef SFD_NONBLOCK |
|
|
410 | # define SFD_NONBLOCK O_NONBLOCK |
404 | #endif |
411 | # endif |
|
|
412 | # ifndef SFD_CLOEXEC |
|
|
413 | # ifdef O_CLOEXEC |
|
|
414 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
415 | # else |
|
|
416 | # define SFD_CLOEXEC 02000000 |
|
|
417 | # endif |
|
|
418 | # endif |
|
|
419 | # ifdef __cplusplus |
|
|
420 | extern "C" { |
|
|
421 | # endif |
|
|
422 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
423 | |
|
|
424 | struct signalfd_siginfo |
|
|
425 | { |
|
|
426 | uint32_t ssi_signo; |
|
|
427 | char pad[128 - sizeof (uint32_t)]; |
|
|
428 | }; |
|
|
429 | # ifdef __cplusplus |
|
|
430 | } |
|
|
431 | # endif |
|
|
432 | #endif |
|
|
433 | |
405 | |
434 | |
406 | /**/ |
435 | /**/ |
407 | |
436 | |
408 | #if EV_VERIFY >= 3 |
437 | #if EV_VERIFY >= 3 |
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
421 | */ |
450 | */ |
422 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
451 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
423 | |
452 | |
424 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
453 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
425 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
454 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
426 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
427 | |
455 | |
428 | #if __GNUC__ >= 4 |
456 | #if __GNUC__ >= 4 |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
457 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
430 | # define noinline __attribute__ ((noinline)) |
458 | # define noinline __attribute__ ((noinline)) |
431 | #else |
459 | #else |
… | |
… | |
470 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
498 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
471 | #endif |
499 | #endif |
472 | |
500 | |
473 | #if EV_USE_MONOTONIC |
501 | #if EV_USE_MONOTONIC |
474 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
502 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
503 | #endif |
|
|
504 | |
|
|
505 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
506 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
507 | #endif |
|
|
508 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
509 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
|
|
510 | #endif |
|
|
511 | #ifndef EV_WIN32_CLOSE_FD |
|
|
512 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
475 | #endif |
513 | #endif |
476 | |
514 | |
477 | #ifdef _WIN32 |
515 | #ifdef _WIN32 |
478 | # include "ev_win32.c" |
516 | # include "ev_win32.c" |
479 | #endif |
517 | #endif |
… | |
… | |
872 | |
910 | |
873 | #if EV_SELECT_IS_WINSOCKET |
911 | #if EV_SELECT_IS_WINSOCKET |
874 | if (events) |
912 | if (events) |
875 | { |
913 | { |
876 | unsigned long arg; |
914 | unsigned long arg; |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
915 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
879 | #else |
|
|
880 | anfd->handle = _get_osfhandle (fd); |
|
|
881 | #endif |
|
|
882 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
916 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
883 | } |
917 | } |
884 | #endif |
918 | #endif |
885 | |
919 | |
886 | { |
920 | { |
… | |
… | |
1617 | close (evfd); |
1651 | close (evfd); |
1618 | #endif |
1652 | #endif |
1619 | |
1653 | |
1620 | if (evpipe [0] >= 0) |
1654 | if (evpipe [0] >= 0) |
1621 | { |
1655 | { |
1622 | close (evpipe [0]); |
1656 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1623 | close (evpipe [1]); |
1657 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1624 | } |
1658 | } |
1625 | } |
1659 | } |
1626 | |
1660 | |
1627 | #if EV_USE_SIGNALFD |
1661 | #if EV_USE_SIGNALFD |
1628 | if (ev_is_active (&sigfd_w)) |
1662 | if (ev_is_active (&sigfd_w)) |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
1663 | close (sigfd); |
1634 | } |
|
|
1635 | #endif |
1664 | #endif |
1636 | |
1665 | |
1637 | #if EV_USE_INOTIFY |
1666 | #if EV_USE_INOTIFY |
1638 | if (fs_fd >= 0) |
1667 | if (fs_fd >= 0) |
1639 | close (fs_fd); |
1668 | close (fs_fd); |
… | |
… | |
1724 | close (evfd); |
1753 | close (evfd); |
1725 | #endif |
1754 | #endif |
1726 | |
1755 | |
1727 | if (evpipe [0] >= 0) |
1756 | if (evpipe [0] >= 0) |
1728 | { |
1757 | { |
1729 | close (evpipe [0]); |
1758 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1730 | close (evpipe [1]); |
1759 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1731 | } |
1760 | } |
1732 | |
1761 | |
1733 | evpipe_init (EV_A); |
1762 | evpipe_init (EV_A); |
1734 | /* now iterate over everything, in case we missed something */ |
1763 | /* now iterate over everything, in case we missed something */ |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
1764 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
2718 | # if EV_USE_SIGNALFD |
2747 | # if EV_USE_SIGNALFD |
2719 | if (sigfd < 0) /*TODO*/ |
2748 | if (sigfd < 0) /*TODO*/ |
2720 | # endif |
2749 | # endif |
2721 | { |
2750 | { |
2722 | # if _WIN32 |
2751 | # if _WIN32 |
|
|
2752 | evpipe_init (EV_A); |
|
|
2753 | |
2723 | signal (w->signum, ev_sighandler); |
2754 | signal (w->signum, ev_sighandler); |
2724 | # else |
2755 | # else |
2725 | struct sigaction sa; |
2756 | struct sigaction sa; |
2726 | |
2757 | |
2727 | evpipe_init (EV_A); |
2758 | evpipe_init (EV_A); |
… | |
… | |
2857 | } |
2888 | } |
2858 | } |
2889 | } |
2859 | |
2890 | |
2860 | if (w->wd >= 0) |
2891 | if (w->wd >= 0) |
2861 | { |
2892 | { |
|
|
2893 | struct statfs sfs; |
|
|
2894 | |
2862 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2895 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2863 | |
2896 | |
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2897 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
2898 | /* unless the filesystem is known to be local, we therefore still poll */ |
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
2899 | /* also do poll on <2.6.25, but with normal frequency */ |
2867 | struct statfs sfs; |
|
|
2868 | |
2900 | |
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
2901 | if (fs_2625 && !statfs (w->path, &sfs)) |
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
2902 | if (sfs.f_type == 0x1373 /* devfs */ |
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2903 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
2904 | || sfs.f_type == 0x3153464a /* jfs */ |
… | |
… | |
2961 | return; |
2993 | return; |
2962 | |
2994 | |
2963 | fs_2625 = 1; |
2995 | fs_2625 = 1; |
2964 | } |
2996 | } |
2965 | |
2997 | |
|
|
2998 | inline_size int |
|
|
2999 | infy_newfd (void) |
|
|
3000 | { |
|
|
3001 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3002 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3003 | if (fd >= 0) |
|
|
3004 | return fd; |
|
|
3005 | #endif |
|
|
3006 | return inotify_init (); |
|
|
3007 | } |
|
|
3008 | |
2966 | inline_size void |
3009 | inline_size void |
2967 | infy_init (EV_P) |
3010 | infy_init (EV_P) |
2968 | { |
3011 | { |
2969 | if (fs_fd != -2) |
3012 | if (fs_fd != -2) |
2970 | return; |
3013 | return; |
2971 | |
3014 | |
2972 | fs_fd = -1; |
3015 | fs_fd = -1; |
2973 | |
3016 | |
2974 | check_2625 (EV_A); |
3017 | check_2625 (EV_A); |
2975 | |
3018 | |
2976 | fs_fd = inotify_init (); |
3019 | fs_fd = infy_newfd (); |
2977 | |
3020 | |
2978 | if (fs_fd >= 0) |
3021 | if (fs_fd >= 0) |
2979 | { |
3022 | { |
|
|
3023 | fd_intern (fs_fd); |
2980 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3024 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
3025 | ev_set_priority (&fs_w, EV_MAXPRI); |
2982 | ev_io_start (EV_A_ &fs_w); |
3026 | ev_io_start (EV_A_ &fs_w); |
|
|
3027 | ev_unref (EV_A); |
2983 | } |
3028 | } |
2984 | } |
3029 | } |
2985 | |
3030 | |
2986 | inline_size void |
3031 | inline_size void |
2987 | infy_fork (EV_P) |
3032 | infy_fork (EV_P) |
… | |
… | |
2989 | int slot; |
3034 | int slot; |
2990 | |
3035 | |
2991 | if (fs_fd < 0) |
3036 | if (fs_fd < 0) |
2992 | return; |
3037 | return; |
2993 | |
3038 | |
|
|
3039 | ev_ref (EV_A); |
|
|
3040 | ev_io_stop (EV_A_ &fs_w); |
2994 | close (fs_fd); |
3041 | close (fs_fd); |
2995 | fs_fd = inotify_init (); |
3042 | fs_fd = infy_newfd (); |
|
|
3043 | |
|
|
3044 | if (fs_fd >= 0) |
|
|
3045 | { |
|
|
3046 | fd_intern (fs_fd); |
|
|
3047 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3048 | ev_io_start (EV_A_ &fs_w); |
|
|
3049 | ev_unref (EV_A); |
|
|
3050 | } |
2996 | |
3051 | |
2997 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3052 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2998 | { |
3053 | { |
2999 | WL w_ = fs_hash [slot].head; |
3054 | WL w_ = fs_hash [slot].head; |
3000 | fs_hash [slot].head = 0; |
3055 | fs_hash [slot].head = 0; |