… | |
… | |
110 | # define EV_USE_EPOLL 0 |
110 | # define EV_USE_EPOLL 0 |
111 | # endif |
111 | # endif |
112 | # endif |
112 | # endif |
113 | |
113 | |
114 | # ifndef EV_USE_KQUEUE |
114 | # ifndef EV_USE_KQUEUE |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
115 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
116 | # define EV_USE_KQUEUE 1 |
116 | # define EV_USE_KQUEUE 1 |
117 | # else |
117 | # else |
118 | # define EV_USE_KQUEUE 0 |
118 | # define EV_USE_KQUEUE 0 |
119 | # endif |
119 | # endif |
120 | # endif |
120 | # endif |
… | |
… | |
153 | |
153 | |
154 | #endif |
154 | #endif |
155 | |
155 | |
156 | #include <math.h> |
156 | #include <math.h> |
157 | #include <stdlib.h> |
157 | #include <stdlib.h> |
|
|
158 | #include <string.h> |
158 | #include <fcntl.h> |
159 | #include <fcntl.h> |
159 | #include <stddef.h> |
160 | #include <stddef.h> |
160 | |
161 | |
161 | #include <stdio.h> |
162 | #include <stdio.h> |
162 | |
163 | |
… | |
… | |
302 | # define EV_USE_EVENTFD 0 |
303 | # define EV_USE_EVENTFD 0 |
303 | # endif |
304 | # endif |
304 | #endif |
305 | #endif |
305 | |
306 | |
306 | #ifndef EV_USE_SIGNALFD |
307 | #ifndef EV_USE_SIGNALFD |
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
308 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
308 | # define EV_USE_SIGNALFD 1 |
309 | # define EV_USE_SIGNALFD 1 |
309 | # else |
310 | # else |
310 | # define EV_USE_SIGNALFD 0 |
311 | # define EV_USE_SIGNALFD 0 |
311 | # endif |
312 | # endif |
312 | #endif |
313 | #endif |
… | |
… | |
386 | # include <stdint.h> |
387 | # include <stdint.h> |
387 | # ifndef EFD_NONBLOCK |
388 | # ifndef EFD_NONBLOCK |
388 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # define EFD_NONBLOCK O_NONBLOCK |
389 | # endif |
390 | # endif |
390 | # ifndef EFD_CLOEXEC |
391 | # ifndef EFD_CLOEXEC |
|
|
392 | # ifdef O_CLOEXEC |
391 | # define EFD_CLOEXEC O_CLOEXEC |
393 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
394 | # else |
|
|
395 | # define EFD_CLOEXEC 02000000 |
|
|
396 | # endif |
392 | # endif |
397 | # endif |
393 | # ifdef __cplusplus |
398 | # ifdef __cplusplus |
394 | extern "C" { |
399 | extern "C" { |
395 | # endif |
400 | # endif |
396 | int eventfd (unsigned int initval, int flags); |
401 | int eventfd (unsigned int initval, int flags); |
… | |
… | |
398 | } |
403 | } |
399 | # endif |
404 | # endif |
400 | #endif |
405 | #endif |
401 | |
406 | |
402 | #if EV_USE_SIGNALFD |
407 | #if EV_USE_SIGNALFD |
403 | # include <sys/signalfd.h> |
408 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
409 | # include <stdint.h> |
|
|
410 | # ifndef SFD_NONBLOCK |
|
|
411 | # define SFD_NONBLOCK O_NONBLOCK |
404 | #endif |
412 | # endif |
|
|
413 | # ifndef SFD_CLOEXEC |
|
|
414 | # ifdef O_CLOEXEC |
|
|
415 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
416 | # else |
|
|
417 | # define SFD_CLOEXEC 02000000 |
|
|
418 | # endif |
|
|
419 | # endif |
|
|
420 | # ifdef __cplusplus |
|
|
421 | extern "C" { |
|
|
422 | # endif |
|
|
423 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
424 | |
|
|
425 | struct signalfd_siginfo |
|
|
426 | { |
|
|
427 | uint32_t ssi_signo; |
|
|
428 | char pad[128 - sizeof (uint32_t)]; |
|
|
429 | }; |
|
|
430 | # ifdef __cplusplus |
|
|
431 | } |
|
|
432 | # endif |
|
|
433 | #endif |
|
|
434 | |
405 | |
435 | |
406 | /**/ |
436 | /**/ |
407 | |
437 | |
408 | #if EV_VERIFY >= 3 |
438 | #if EV_VERIFY >= 3 |
409 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
439 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
421 | */ |
451 | */ |
422 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
452 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
423 | |
453 | |
424 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
454 | #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) */ |
455 | #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 | |
456 | |
428 | #if __GNUC__ >= 4 |
457 | #if __GNUC__ >= 4 |
429 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
458 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
430 | # define noinline __attribute__ ((noinline)) |
459 | # define noinline __attribute__ ((noinline)) |
431 | #else |
460 | #else |
… | |
… | |
470 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
499 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
471 | #endif |
500 | #endif |
472 | |
501 | |
473 | #if EV_USE_MONOTONIC |
502 | #if EV_USE_MONOTONIC |
474 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
503 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
504 | #endif |
|
|
505 | |
|
|
506 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
507 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
508 | #endif |
|
|
509 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
510 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
511 | #endif |
|
|
512 | #ifndef EV_WIN32_CLOSE_FD |
|
|
513 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
475 | #endif |
514 | #endif |
476 | |
515 | |
477 | #ifdef _WIN32 |
516 | #ifdef _WIN32 |
478 | # include "ev_win32.c" |
517 | # include "ev_win32.c" |
479 | #endif |
518 | #endif |
… | |
… | |
872 | |
911 | |
873 | #if EV_SELECT_IS_WINSOCKET |
912 | #if EV_SELECT_IS_WINSOCKET |
874 | if (events) |
913 | if (events) |
875 | { |
914 | { |
876 | unsigned long arg; |
915 | unsigned long arg; |
877 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
878 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
916 | 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)); |
917 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
883 | } |
918 | } |
884 | #endif |
919 | #endif |
885 | |
920 | |
886 | { |
921 | { |
… | |
… | |
929 | /* check whether the given fd is atcually valid, for error recovery */ |
964 | /* check whether the given fd is atcually valid, for error recovery */ |
930 | inline_size int |
965 | inline_size int |
931 | fd_valid (int fd) |
966 | fd_valid (int fd) |
932 | { |
967 | { |
933 | #ifdef _WIN32 |
968 | #ifdef _WIN32 |
934 | return _get_osfhandle (fd) != -1; |
969 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
935 | #else |
970 | #else |
936 | return fcntl (fd, F_GETFD) != -1; |
971 | return fcntl (fd, F_GETFD) != -1; |
937 | #endif |
972 | #endif |
938 | } |
973 | } |
939 | |
974 | |
… | |
… | |
1057 | |
1092 | |
1058 | for (;;) |
1093 | for (;;) |
1059 | { |
1094 | { |
1060 | int c = k << 1; |
1095 | int c = k << 1; |
1061 | |
1096 | |
1062 | if (c > N + HEAP0 - 1) |
1097 | if (c >= N + HEAP0) |
1063 | break; |
1098 | break; |
1064 | |
1099 | |
1065 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1100 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1066 | ? 1 : 0; |
1101 | ? 1 : 0; |
1067 | |
1102 | |
… | |
… | |
1103 | |
1138 | |
1104 | /* move an element suitably so it is in a correct place */ |
1139 | /* move an element suitably so it is in a correct place */ |
1105 | inline_size void |
1140 | inline_size void |
1106 | adjustheap (ANHE *heap, int N, int k) |
1141 | adjustheap (ANHE *heap, int N, int k) |
1107 | { |
1142 | { |
1108 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1143 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1109 | upheap (heap, k); |
1144 | upheap (heap, k); |
1110 | else |
1145 | else |
1111 | downheap (heap, N, k); |
1146 | downheap (heap, N, k); |
1112 | } |
1147 | } |
1113 | |
1148 | |
… | |
… | |
1144 | inline_speed void |
1179 | inline_speed void |
1145 | fd_intern (int fd) |
1180 | fd_intern (int fd) |
1146 | { |
1181 | { |
1147 | #ifdef _WIN32 |
1182 | #ifdef _WIN32 |
1148 | unsigned long arg = 1; |
1183 | unsigned long arg = 1; |
1149 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1184 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
1150 | #else |
1185 | #else |
1151 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1186 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1152 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1187 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1153 | #endif |
1188 | #endif |
1154 | } |
1189 | } |
… | |
… | |
1259 | { |
1294 | { |
1260 | #if EV_MULTIPLICITY |
1295 | #if EV_MULTIPLICITY |
1261 | EV_P = signals [signum - 1].loop; |
1296 | EV_P = signals [signum - 1].loop; |
1262 | #endif |
1297 | #endif |
1263 | |
1298 | |
1264 | #if _WIN32 |
1299 | #ifdef _WIN32 |
1265 | signal (signum, ev_sighandler); |
1300 | signal (signum, ev_sighandler); |
1266 | #endif |
1301 | #endif |
1267 | |
1302 | |
1268 | signals [signum - 1].pending = 1; |
1303 | signals [signum - 1].pending = 1; |
1269 | evpipe_write (EV_A_ &sig_pending); |
1304 | evpipe_write (EV_A_ &sig_pending); |
… | |
… | |
1570 | #endif |
1605 | #endif |
1571 | #if EV_USE_INOTIFY |
1606 | #if EV_USE_INOTIFY |
1572 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1607 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1573 | #endif |
1608 | #endif |
1574 | #if EV_USE_SIGNALFD |
1609 | #if EV_USE_SIGNALFD |
1575 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1610 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
1576 | #endif |
1611 | #endif |
1577 | |
1612 | |
1578 | if (!(flags & 0x0000ffffU)) |
1613 | if (!(flags & 0x0000ffffU)) |
1579 | flags |= ev_recommended_backends (); |
1614 | flags |= ev_recommended_backends (); |
1580 | |
1615 | |
… | |
… | |
1617 | close (evfd); |
1652 | close (evfd); |
1618 | #endif |
1653 | #endif |
1619 | |
1654 | |
1620 | if (evpipe [0] >= 0) |
1655 | if (evpipe [0] >= 0) |
1621 | { |
1656 | { |
1622 | close (evpipe [0]); |
1657 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1623 | close (evpipe [1]); |
1658 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1624 | } |
1659 | } |
1625 | } |
1660 | } |
1626 | |
1661 | |
1627 | #if EV_USE_SIGNALFD |
1662 | #if EV_USE_SIGNALFD |
1628 | if (ev_is_active (&sigfd_w)) |
1663 | if (ev_is_active (&sigfd_w)) |
1629 | { |
|
|
1630 | /*ev_ref (EV_A);*/ |
|
|
1631 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1632 | |
|
|
1633 | close (sigfd); |
1664 | close (sigfd); |
1634 | } |
|
|
1635 | #endif |
1665 | #endif |
1636 | |
1666 | |
1637 | #if EV_USE_INOTIFY |
1667 | #if EV_USE_INOTIFY |
1638 | if (fs_fd >= 0) |
1668 | if (fs_fd >= 0) |
1639 | close (fs_fd); |
1669 | close (fs_fd); |
… | |
… | |
1724 | close (evfd); |
1754 | close (evfd); |
1725 | #endif |
1755 | #endif |
1726 | |
1756 | |
1727 | if (evpipe [0] >= 0) |
1757 | if (evpipe [0] >= 0) |
1728 | { |
1758 | { |
1729 | close (evpipe [0]); |
1759 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1730 | close (evpipe [1]); |
1760 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1731 | } |
1761 | } |
1732 | |
1762 | |
1733 | evpipe_init (EV_A); |
1763 | evpipe_init (EV_A); |
1734 | /* now iterate over everything, in case we missed something */ |
1764 | /* now iterate over everything, in case we missed something */ |
1735 | pipecb (EV_A_ &pipe_w, EV_READ); |
1765 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
2127 | ANHE_at_cache (*he); |
2157 | ANHE_at_cache (*he); |
2128 | } |
2158 | } |
2129 | } |
2159 | } |
2130 | |
2160 | |
2131 | /* fetch new monotonic and realtime times from the kernel */ |
2161 | /* fetch new monotonic and realtime times from the kernel */ |
2132 | /* also detetc if there was a timejump, and act accordingly */ |
2162 | /* also detect if there was a timejump, and act accordingly */ |
2133 | inline_speed void |
2163 | inline_speed void |
2134 | time_update (EV_P_ ev_tstamp max_block) |
2164 | time_update (EV_P_ ev_tstamp max_block) |
2135 | { |
2165 | { |
2136 | #if EV_USE_MONOTONIC |
2166 | #if EV_USE_MONOTONIC |
2137 | if (expect_true (have_monotonic)) |
2167 | if (expect_true (have_monotonic)) |
… | |
… | |
2671 | return; |
2701 | return; |
2672 | |
2702 | |
2673 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2703 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2674 | |
2704 | |
2675 | #if EV_MULTIPLICITY |
2705 | #if EV_MULTIPLICITY |
2676 | assert (("libev: tried to attach to a signal from two different loops", |
2706 | assert (("libev: a signal must not be attached to two different loops", |
2677 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2707 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2678 | |
2708 | |
2679 | signals [w->signum - 1].loop = EV_A; |
2709 | signals [w->signum - 1].loop = EV_A; |
2680 | #endif |
2710 | #endif |
2681 | |
2711 | |
… | |
… | |
2717 | if (!((WL)w)->next) |
2747 | if (!((WL)w)->next) |
2718 | # if EV_USE_SIGNALFD |
2748 | # if EV_USE_SIGNALFD |
2719 | if (sigfd < 0) /*TODO*/ |
2749 | if (sigfd < 0) /*TODO*/ |
2720 | # endif |
2750 | # endif |
2721 | { |
2751 | { |
2722 | # if _WIN32 |
2752 | # ifdef _WIN32 |
|
|
2753 | evpipe_init (EV_A); |
|
|
2754 | |
2723 | signal (w->signum, ev_sighandler); |
2755 | signal (w->signum, ev_sighandler); |
2724 | # else |
2756 | # else |
2725 | struct sigaction sa; |
2757 | struct sigaction sa; |
2726 | |
2758 | |
2727 | evpipe_init (EV_A); |
2759 | evpipe_init (EV_A); |
… | |
… | |
2758 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2790 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
2759 | #endif |
2791 | #endif |
2760 | #if EV_USE_SIGNALFD |
2792 | #if EV_USE_SIGNALFD |
2761 | if (sigfd >= 0) |
2793 | if (sigfd >= 0) |
2762 | { |
2794 | { |
2763 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
2795 | sigset_t ss; |
|
|
2796 | |
|
|
2797 | sigemptyset (&ss); |
|
|
2798 | sigaddset (&ss, w->signum); |
2764 | sigdelset (&sigfd_set, w->signum); |
2799 | sigdelset (&sigfd_set, w->signum); |
|
|
2800 | |
2765 | signalfd (sigfd, &sigfd_set, 0); |
2801 | signalfd (sigfd, &sigfd_set, 0); |
2766 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
2802 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
2767 | /*TODO: maybe unblock signal? */ |
|
|
2768 | } |
2803 | } |
2769 | else |
2804 | else |
2770 | #endif |
2805 | #endif |
2771 | signal (w->signum, SIG_DFL); |
2806 | signal (w->signum, SIG_DFL); |
2772 | } |
2807 | } |
… | |
… | |
2825 | static void noinline |
2860 | static void noinline |
2826 | infy_add (EV_P_ ev_stat *w) |
2861 | infy_add (EV_P_ ev_stat *w) |
2827 | { |
2862 | { |
2828 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2863 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
2829 | |
2864 | |
2830 | if (w->wd < 0) |
2865 | if (w->wd >= 0) |
|
|
2866 | { |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2870 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
2871 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2872 | |
|
|
2873 | if (!fs_2625) |
|
|
2874 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
2875 | else if (!statfs (w->path, &sfs) |
|
|
2876 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
2877 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2878 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2879 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2880 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2881 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
2882 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
2883 | else |
|
|
2884 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
2831 | { |
2885 | } |
|
|
2886 | else |
|
|
2887 | { |
|
|
2888 | /* can't use inotify, continue to stat */ |
2832 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2889 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
2833 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2834 | |
2890 | |
2835 | /* monitor some parent directory for speedup hints */ |
2891 | /* if path is not there, monitor some parent directory for speedup hints */ |
2836 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2892 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2837 | /* but an efficiency issue only */ |
2893 | /* but an efficiency issue only */ |
2838 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2894 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2839 | { |
2895 | { |
2840 | char path [4096]; |
2896 | char path [4096]; |
… | |
… | |
2856 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2912 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2857 | } |
2913 | } |
2858 | } |
2914 | } |
2859 | |
2915 | |
2860 | if (w->wd >= 0) |
2916 | if (w->wd >= 0) |
2861 | { |
|
|
2862 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2917 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2863 | |
2918 | |
2864 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2919 | /* now re-arm timer, if required */ |
2865 | /* unless the filesystem it known to be local, we therefore still poll */ |
2920 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
2866 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2867 | struct statfs sfs; |
|
|
2868 | |
|
|
2869 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2870 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2871 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2872 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2873 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2874 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2875 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2876 | return; |
|
|
2877 | |
|
|
2878 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2879 | ev_timer_again (EV_A_ &w->timer); |
2921 | ev_timer_again (EV_A_ &w->timer); |
2880 | } |
2922 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
2881 | } |
2923 | } |
2882 | |
2924 | |
2883 | static void noinline |
2925 | static void noinline |
2884 | infy_del (EV_P_ ev_stat *w) |
2926 | infy_del (EV_P_ ev_stat *w) |
2885 | { |
2927 | { |
… | |
… | |
2961 | return; |
3003 | return; |
2962 | |
3004 | |
2963 | fs_2625 = 1; |
3005 | fs_2625 = 1; |
2964 | } |
3006 | } |
2965 | |
3007 | |
|
|
3008 | inline_size int |
|
|
3009 | infy_newfd (void) |
|
|
3010 | { |
|
|
3011 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3012 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3013 | if (fd >= 0) |
|
|
3014 | return fd; |
|
|
3015 | #endif |
|
|
3016 | return inotify_init (); |
|
|
3017 | } |
|
|
3018 | |
2966 | inline_size void |
3019 | inline_size void |
2967 | infy_init (EV_P) |
3020 | infy_init (EV_P) |
2968 | { |
3021 | { |
2969 | if (fs_fd != -2) |
3022 | if (fs_fd != -2) |
2970 | return; |
3023 | return; |
2971 | |
3024 | |
2972 | fs_fd = -1; |
3025 | fs_fd = -1; |
2973 | |
3026 | |
2974 | check_2625 (EV_A); |
3027 | check_2625 (EV_A); |
2975 | |
3028 | |
2976 | fs_fd = inotify_init (); |
3029 | fs_fd = infy_newfd (); |
2977 | |
3030 | |
2978 | if (fs_fd >= 0) |
3031 | if (fs_fd >= 0) |
2979 | { |
3032 | { |
|
|
3033 | fd_intern (fs_fd); |
2980 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3034 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2981 | ev_set_priority (&fs_w, EV_MAXPRI); |
3035 | ev_set_priority (&fs_w, EV_MAXPRI); |
2982 | ev_io_start (EV_A_ &fs_w); |
3036 | ev_io_start (EV_A_ &fs_w); |
|
|
3037 | ev_unref (EV_A); |
2983 | } |
3038 | } |
2984 | } |
3039 | } |
2985 | |
3040 | |
2986 | inline_size void |
3041 | inline_size void |
2987 | infy_fork (EV_P) |
3042 | infy_fork (EV_P) |
… | |
… | |
2989 | int slot; |
3044 | int slot; |
2990 | |
3045 | |
2991 | if (fs_fd < 0) |
3046 | if (fs_fd < 0) |
2992 | return; |
3047 | return; |
2993 | |
3048 | |
|
|
3049 | ev_ref (EV_A); |
|
|
3050 | ev_io_stop (EV_A_ &fs_w); |
2994 | close (fs_fd); |
3051 | close (fs_fd); |
2995 | fs_fd = inotify_init (); |
3052 | fs_fd = infy_newfd (); |
|
|
3053 | |
|
|
3054 | if (fs_fd >= 0) |
|
|
3055 | { |
|
|
3056 | fd_intern (fs_fd); |
|
|
3057 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3058 | ev_io_start (EV_A_ &fs_w); |
|
|
3059 | ev_unref (EV_A); |
|
|
3060 | } |
2996 | |
3061 | |
2997 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3062 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2998 | { |
3063 | { |
2999 | WL w_ = fs_hash [slot].head; |
3064 | WL w_ = fs_hash [slot].head; |
3000 | fs_hash [slot].head = 0; |
3065 | fs_hash [slot].head = 0; |
… | |
… | |
3007 | w->wd = -1; |
3072 | w->wd = -1; |
3008 | |
3073 | |
3009 | if (fs_fd >= 0) |
3074 | if (fs_fd >= 0) |
3010 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3075 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3011 | else |
3076 | else |
|
|
3077 | { |
|
|
3078 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3079 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
3012 | ev_timer_again (EV_A_ &w->timer); |
3080 | ev_timer_again (EV_A_ &w->timer); |
|
|
3081 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3082 | } |
3013 | } |
3083 | } |
3014 | } |
3084 | } |
3015 | } |
3085 | } |
3016 | |
3086 | |
3017 | #endif |
3087 | #endif |
… | |
… | |
3034 | static void noinline |
3104 | static void noinline |
3035 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3105 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3036 | { |
3106 | { |
3037 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3107 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3038 | |
3108 | |
3039 | /* we copy this here each the time so that */ |
3109 | ev_statdata prev = w->attr; |
3040 | /* prev has the old value when the callback gets invoked */ |
|
|
3041 | w->prev = w->attr; |
|
|
3042 | ev_stat_stat (EV_A_ w); |
3110 | ev_stat_stat (EV_A_ w); |
3043 | |
3111 | |
3044 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3112 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3045 | if ( |
3113 | if ( |
3046 | w->prev.st_dev != w->attr.st_dev |
3114 | prev.st_dev != w->attr.st_dev |
3047 | || w->prev.st_ino != w->attr.st_ino |
3115 | || prev.st_ino != w->attr.st_ino |
3048 | || w->prev.st_mode != w->attr.st_mode |
3116 | || prev.st_mode != w->attr.st_mode |
3049 | || w->prev.st_nlink != w->attr.st_nlink |
3117 | || prev.st_nlink != w->attr.st_nlink |
3050 | || w->prev.st_uid != w->attr.st_uid |
3118 | || prev.st_uid != w->attr.st_uid |
3051 | || w->prev.st_gid != w->attr.st_gid |
3119 | || prev.st_gid != w->attr.st_gid |
3052 | || w->prev.st_rdev != w->attr.st_rdev |
3120 | || prev.st_rdev != w->attr.st_rdev |
3053 | || w->prev.st_size != w->attr.st_size |
3121 | || prev.st_size != w->attr.st_size |
3054 | || w->prev.st_atime != w->attr.st_atime |
3122 | || prev.st_atime != w->attr.st_atime |
3055 | || w->prev.st_mtime != w->attr.st_mtime |
3123 | || prev.st_mtime != w->attr.st_mtime |
3056 | || w->prev.st_ctime != w->attr.st_ctime |
3124 | || prev.st_ctime != w->attr.st_ctime |
3057 | ) { |
3125 | ) { |
|
|
3126 | /* we only update w->prev on actual differences */ |
|
|
3127 | /* in case we test more often than invoke the callback, */ |
|
|
3128 | /* to ensure that prev is always different to attr */ |
|
|
3129 | w->prev = prev; |
|
|
3130 | |
3058 | #if EV_USE_INOTIFY |
3131 | #if EV_USE_INOTIFY |
3059 | if (fs_fd >= 0) |
3132 | if (fs_fd >= 0) |
3060 | { |
3133 | { |
3061 | infy_del (EV_A_ w); |
3134 | infy_del (EV_A_ w); |
3062 | infy_add (EV_A_ w); |
3135 | infy_add (EV_A_ w); |
… | |
… | |
3087 | |
3160 | |
3088 | if (fs_fd >= 0) |
3161 | if (fs_fd >= 0) |
3089 | infy_add (EV_A_ w); |
3162 | infy_add (EV_A_ w); |
3090 | else |
3163 | else |
3091 | #endif |
3164 | #endif |
|
|
3165 | { |
3092 | ev_timer_again (EV_A_ &w->timer); |
3166 | ev_timer_again (EV_A_ &w->timer); |
|
|
3167 | ev_unref (EV_A); |
|
|
3168 | } |
3093 | |
3169 | |
3094 | ev_start (EV_A_ (W)w, 1); |
3170 | ev_start (EV_A_ (W)w, 1); |
3095 | |
3171 | |
3096 | EV_FREQUENT_CHECK; |
3172 | EV_FREQUENT_CHECK; |
3097 | } |
3173 | } |
… | |
… | |
3106 | EV_FREQUENT_CHECK; |
3182 | EV_FREQUENT_CHECK; |
3107 | |
3183 | |
3108 | #if EV_USE_INOTIFY |
3184 | #if EV_USE_INOTIFY |
3109 | infy_del (EV_A_ w); |
3185 | infy_del (EV_A_ w); |
3110 | #endif |
3186 | #endif |
|
|
3187 | |
|
|
3188 | if (ev_is_active (&w->timer)) |
|
|
3189 | { |
|
|
3190 | ev_ref (EV_A); |
3111 | ev_timer_stop (EV_A_ &w->timer); |
3191 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3192 | } |
3112 | |
3193 | |
3113 | ev_stop (EV_A_ (W)w); |
3194 | ev_stop (EV_A_ (W)w); |
3114 | |
3195 | |
3115 | EV_FREQUENT_CHECK; |
3196 | EV_FREQUENT_CHECK; |
3116 | } |
3197 | } |