… | |
… | |
154 | #ifndef _WIN32 |
154 | #ifndef _WIN32 |
155 | # include <sys/time.h> |
155 | # include <sys/time.h> |
156 | # include <sys/wait.h> |
156 | # include <sys/wait.h> |
157 | # include <unistd.h> |
157 | # include <unistd.h> |
158 | #else |
158 | #else |
|
|
159 | # include <io.h> |
159 | # define WIN32_LEAN_AND_MEAN |
160 | # define WIN32_LEAN_AND_MEAN |
160 | # include <windows.h> |
161 | # include <windows.h> |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # endif |
164 | # endif |
164 | #endif |
165 | #endif |
165 | |
166 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
168 | |
168 | #ifndef EV_USE_MONOTONIC |
169 | #ifndef EV_USE_MONOTONIC |
|
|
170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
171 | # define EV_USE_MONOTONIC 1 |
|
|
172 | # else |
169 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
|
|
174 | # endif |
170 | #endif |
175 | #endif |
171 | |
176 | |
172 | #ifndef EV_USE_REALTIME |
177 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
178 | # define EV_USE_REALTIME 0 |
174 | #endif |
179 | #endif |
175 | |
180 | |
176 | #ifndef EV_USE_NANOSLEEP |
181 | #ifndef EV_USE_NANOSLEEP |
|
|
182 | # if _POSIX_C_SOURCE >= 199309L |
|
|
183 | # define EV_USE_NANOSLEEP 1 |
|
|
184 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
185 | # define EV_USE_NANOSLEEP 0 |
|
|
186 | # endif |
178 | #endif |
187 | #endif |
179 | |
188 | |
180 | #ifndef EV_USE_SELECT |
189 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
190 | # define EV_USE_SELECT 1 |
182 | #endif |
191 | #endif |
… | |
… | |
277 | # include <sys/select.h> |
286 | # include <sys/select.h> |
278 | # endif |
287 | # endif |
279 | #endif |
288 | #endif |
280 | |
289 | |
281 | #if EV_USE_INOTIFY |
290 | #if EV_USE_INOTIFY |
|
|
291 | # include <sys/utsname.h> |
|
|
292 | # include <sys/statfs.h> |
282 | # include <sys/inotify.h> |
293 | # include <sys/inotify.h> |
|
|
294 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
295 | # ifndef IN_DONT_FOLLOW |
|
|
296 | # undef EV_USE_INOTIFY |
|
|
297 | # define EV_USE_INOTIFY 0 |
|
|
298 | # endif |
283 | #endif |
299 | #endif |
284 | |
300 | |
285 | #if EV_SELECT_IS_WINSOCKET |
301 | #if EV_SELECT_IS_WINSOCKET |
286 | # include <winsock.h> |
302 | # include <winsock.h> |
287 | #endif |
303 | #endif |
… | |
… | |
373 | { |
389 | { |
374 | syserr_cb = cb; |
390 | syserr_cb = cb; |
375 | } |
391 | } |
376 | |
392 | |
377 | static void noinline |
393 | static void noinline |
378 | syserr (const char *msg) |
394 | ev_syserr (const char *msg) |
379 | { |
395 | { |
380 | if (!msg) |
396 | if (!msg) |
381 | msg = "(libev) system error"; |
397 | msg = "(libev) system error"; |
382 | |
398 | |
383 | if (syserr_cb) |
399 | if (syserr_cb) |
… | |
… | |
434 | typedef struct |
450 | typedef struct |
435 | { |
451 | { |
436 | WL head; |
452 | WL head; |
437 | unsigned char events; |
453 | unsigned char events; |
438 | unsigned char reify; |
454 | unsigned char reify; |
|
|
455 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
456 | unsigned char unused; |
|
|
457 | #if EV_USE_EPOLL |
|
|
458 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
459 | #endif |
439 | #if EV_SELECT_IS_WINSOCKET |
460 | #if EV_SELECT_IS_WINSOCKET |
440 | SOCKET handle; |
461 | SOCKET handle; |
441 | #endif |
462 | #endif |
442 | } ANFD; |
463 | } ANFD; |
443 | |
464 | |
… | |
… | |
556 | struct timeval tv; |
577 | struct timeval tv; |
557 | |
578 | |
558 | tv.tv_sec = (time_t)delay; |
579 | tv.tv_sec = (time_t)delay; |
559 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
580 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
560 | |
581 | |
|
|
582 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
583 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
584 | /* by older ones */ |
561 | select (0, 0, 0, 0, &tv); |
585 | select (0, 0, 0, 0, &tv); |
562 | #endif |
586 | #endif |
563 | } |
587 | } |
564 | } |
588 | } |
565 | |
589 | |
… | |
… | |
592 | array_realloc (int elem, void *base, int *cur, int cnt) |
616 | array_realloc (int elem, void *base, int *cur, int cnt) |
593 | { |
617 | { |
594 | *cur = array_nextsize (elem, *cur, cnt); |
618 | *cur = array_nextsize (elem, *cur, cnt); |
595 | return ev_realloc (base, elem * *cur); |
619 | return ev_realloc (base, elem * *cur); |
596 | } |
620 | } |
|
|
621 | |
|
|
622 | #define array_init_zero(base,count) \ |
|
|
623 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
597 | |
624 | |
598 | #define array_needsize(type,base,cur,cnt,init) \ |
625 | #define array_needsize(type,base,cur,cnt,init) \ |
599 | if (expect_false ((cnt) > (cur))) \ |
626 | if (expect_false ((cnt) > (cur))) \ |
600 | { \ |
627 | { \ |
601 | int ocur_ = (cur); \ |
628 | int ocur_ = (cur); \ |
… | |
… | |
645 | ev_feed_event (EV_A_ events [i], type); |
672 | ev_feed_event (EV_A_ events [i], type); |
646 | } |
673 | } |
647 | |
674 | |
648 | /*****************************************************************************/ |
675 | /*****************************************************************************/ |
649 | |
676 | |
650 | void inline_size |
|
|
651 | anfds_init (ANFD *base, int count) |
|
|
652 | { |
|
|
653 | while (count--) |
|
|
654 | { |
|
|
655 | base->head = 0; |
|
|
656 | base->events = EV_NONE; |
|
|
657 | base->reify = 0; |
|
|
658 | |
|
|
659 | ++base; |
|
|
660 | } |
|
|
661 | } |
|
|
662 | |
|
|
663 | void inline_speed |
677 | void inline_speed |
664 | fd_event (EV_P_ int fd, int revents) |
678 | fd_event (EV_P_ int fd, int revents) |
665 | { |
679 | { |
666 | ANFD *anfd = anfds + fd; |
680 | ANFD *anfd = anfds + fd; |
667 | ev_io *w; |
681 | ev_io *w; |
… | |
… | |
699 | events |= (unsigned char)w->events; |
713 | events |= (unsigned char)w->events; |
700 | |
714 | |
701 | #if EV_SELECT_IS_WINSOCKET |
715 | #if EV_SELECT_IS_WINSOCKET |
702 | if (events) |
716 | if (events) |
703 | { |
717 | { |
704 | unsigned long argp; |
718 | unsigned long arg; |
705 | #ifdef EV_FD_TO_WIN32_HANDLE |
719 | #ifdef EV_FD_TO_WIN32_HANDLE |
706 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
720 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
707 | #else |
721 | #else |
708 | anfd->handle = _get_osfhandle (fd); |
722 | anfd->handle = _get_osfhandle (fd); |
709 | #endif |
723 | #endif |
710 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
724 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
711 | } |
725 | } |
712 | #endif |
726 | #endif |
713 | |
727 | |
714 | { |
728 | { |
715 | unsigned char o_events = anfd->events; |
729 | unsigned char o_events = anfd->events; |
… | |
… | |
768 | { |
782 | { |
769 | int fd; |
783 | int fd; |
770 | |
784 | |
771 | for (fd = 0; fd < anfdmax; ++fd) |
785 | for (fd = 0; fd < anfdmax; ++fd) |
772 | if (anfds [fd].events) |
786 | if (anfds [fd].events) |
773 | if (!fd_valid (fd) == -1 && errno == EBADF) |
787 | if (!fd_valid (fd) && errno == EBADF) |
774 | fd_kill (EV_A_ fd); |
788 | fd_kill (EV_A_ fd); |
775 | } |
789 | } |
776 | |
790 | |
777 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
791 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
778 | static void noinline |
792 | static void noinline |
… | |
… | |
796 | |
810 | |
797 | for (fd = 0; fd < anfdmax; ++fd) |
811 | for (fd = 0; fd < anfdmax; ++fd) |
798 | if (anfds [fd].events) |
812 | if (anfds [fd].events) |
799 | { |
813 | { |
800 | anfds [fd].events = 0; |
814 | anfds [fd].events = 0; |
|
|
815 | anfds [fd].emask = 0; |
801 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
816 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
802 | } |
817 | } |
803 | } |
818 | } |
804 | |
819 | |
805 | /*****************************************************************************/ |
820 | /*****************************************************************************/ |
… | |
… | |
937 | /* rebuild the heap: this function is used only once and executed rarely */ |
952 | /* rebuild the heap: this function is used only once and executed rarely */ |
938 | void inline_size |
953 | void inline_size |
939 | reheap (ANHE *heap, int N) |
954 | reheap (ANHE *heap, int N) |
940 | { |
955 | { |
941 | int i; |
956 | int i; |
|
|
957 | |
942 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
958 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
943 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
959 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
944 | for (i = 0; i < N; ++i) |
960 | for (i = 0; i < N; ++i) |
945 | upheap (heap, i + HEAP0); |
961 | upheap (heap, i + HEAP0); |
946 | } |
962 | } |
947 | |
963 | |
948 | #if EV_VERIFY |
|
|
949 | static void |
|
|
950 | checkheap (ANHE *heap, int N) |
|
|
951 | { |
|
|
952 | int i; |
|
|
953 | |
|
|
954 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
955 | { |
|
|
956 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
957 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
958 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
959 | } |
|
|
960 | } |
|
|
961 | #endif |
|
|
962 | |
|
|
963 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
964 | |
965 | |
965 | typedef struct |
966 | typedef struct |
966 | { |
967 | { |
967 | WL head; |
968 | WL head; |
… | |
… | |
971 | static ANSIG *signals; |
972 | static ANSIG *signals; |
972 | static int signalmax; |
973 | static int signalmax; |
973 | |
974 | |
974 | static EV_ATOMIC_T gotsig; |
975 | static EV_ATOMIC_T gotsig; |
975 | |
976 | |
976 | void inline_size |
|
|
977 | signals_init (ANSIG *base, int count) |
|
|
978 | { |
|
|
979 | while (count--) |
|
|
980 | { |
|
|
981 | base->head = 0; |
|
|
982 | base->gotsig = 0; |
|
|
983 | |
|
|
984 | ++base; |
|
|
985 | } |
|
|
986 | } |
|
|
987 | |
|
|
988 | /*****************************************************************************/ |
977 | /*****************************************************************************/ |
989 | |
978 | |
990 | void inline_speed |
979 | void inline_speed |
991 | fd_intern (int fd) |
980 | fd_intern (int fd) |
992 | { |
981 | { |
993 | #ifdef _WIN32 |
982 | #ifdef _WIN32 |
994 | int arg = 1; |
983 | unsigned long arg = 1; |
995 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
984 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
996 | #else |
985 | #else |
997 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
986 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
998 | fcntl (fd, F_SETFL, O_NONBLOCK); |
987 | fcntl (fd, F_SETFL, O_NONBLOCK); |
999 | #endif |
988 | #endif |
… | |
… | |
1013 | } |
1002 | } |
1014 | else |
1003 | else |
1015 | #endif |
1004 | #endif |
1016 | { |
1005 | { |
1017 | while (pipe (evpipe)) |
1006 | while (pipe (evpipe)) |
1018 | syserr ("(libev) error creating signal/async pipe"); |
1007 | ev_syserr ("(libev) error creating signal/async pipe"); |
1019 | |
1008 | |
1020 | fd_intern (evpipe [0]); |
1009 | fd_intern (evpipe [0]); |
1021 | fd_intern (evpipe [1]); |
1010 | fd_intern (evpipe [1]); |
1022 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1011 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1023 | } |
1012 | } |
… | |
… | |
1513 | { |
1502 | { |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1503 | postfork = 1; /* must be in line with ev_default_fork */ |
1515 | } |
1504 | } |
1516 | |
1505 | |
1517 | #if EV_VERIFY |
1506 | #if EV_VERIFY |
1518 | static void |
1507 | static void noinline |
|
|
1508 | verify_watcher (EV_P_ W w) |
|
|
1509 | { |
|
|
1510 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1511 | |
|
|
1512 | if (w->pending) |
|
|
1513 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | static void noinline |
|
|
1517 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1518 | { |
|
|
1519 | int i; |
|
|
1520 | |
|
|
1521 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1522 | { |
|
|
1523 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1524 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1525 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1526 | |
|
|
1527 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1528 | } |
|
|
1529 | } |
|
|
1530 | |
|
|
1531 | static void noinline |
1519 | array_check (W **ws, int cnt) |
1532 | array_verify (EV_P_ W *ws, int cnt) |
1520 | { |
1533 | { |
1521 | while (cnt--) |
1534 | while (cnt--) |
|
|
1535 | { |
1522 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1536 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1537 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1538 | } |
1523 | } |
1539 | } |
1524 | #endif |
1540 | #endif |
1525 | |
1541 | |
1526 | void |
1542 | void |
1527 | ev_loop_verify (EV_P) |
1543 | ev_loop_verify (EV_P) |
1528 | { |
1544 | { |
1529 | #if EV_VERIFY |
1545 | #if EV_VERIFY |
1530 | int i; |
1546 | int i; |
|
|
1547 | WL w; |
1531 | |
1548 | |
|
|
1549 | assert (activecnt >= -1); |
|
|
1550 | |
|
|
1551 | assert (fdchangemax >= fdchangecnt); |
|
|
1552 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1553 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1554 | |
|
|
1555 | assert (anfdmax >= 0); |
|
|
1556 | for (i = 0; i < anfdmax; ++i) |
|
|
1557 | for (w = anfds [i].head; w; w = w->next) |
|
|
1558 | { |
|
|
1559 | verify_watcher (EV_A_ (W)w); |
|
|
1560 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1561 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1562 | } |
|
|
1563 | |
|
|
1564 | assert (timermax >= timercnt); |
1532 | checkheap (timers, timercnt); |
1565 | verify_heap (EV_A_ timers, timercnt); |
|
|
1566 | |
1533 | #if EV_PERIODIC_ENABLE |
1567 | #if EV_PERIODIC_ENABLE |
|
|
1568 | assert (periodicmax >= periodiccnt); |
1534 | checkheap (periodics, periodiccnt); |
1569 | verify_heap (EV_A_ periodics, periodiccnt); |
1535 | #endif |
1570 | #endif |
1536 | |
1571 | |
|
|
1572 | for (i = NUMPRI; i--; ) |
|
|
1573 | { |
|
|
1574 | assert (pendingmax [i] >= pendingcnt [i]); |
1537 | #if EV_IDLE_ENABLE |
1575 | #if EV_IDLE_ENABLE |
1538 | for (i = NUMPRI; i--; ) |
1576 | assert (idleall >= 0); |
|
|
1577 | assert (idlemax [i] >= idlecnt [i]); |
1539 | array_check ((W **)idles [i], idlecnt [i]); |
1578 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
1540 | #endif |
1579 | #endif |
|
|
1580 | } |
|
|
1581 | |
1541 | #if EV_FORK_ENABLE |
1582 | #if EV_FORK_ENABLE |
|
|
1583 | assert (forkmax >= forkcnt); |
1542 | array_check ((W **)forks, forkcnt); |
1584 | array_verify (EV_A_ (W *)forks, forkcnt); |
1543 | #endif |
1585 | #endif |
|
|
1586 | |
1544 | #if EV_ASYNC_ENABLE |
1587 | #if EV_ASYNC_ENABLE |
|
|
1588 | assert (asyncmax >= asynccnt); |
1545 | array_check ((W **)asyncs, asynccnt); |
1589 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1590 | #endif |
|
|
1591 | |
|
|
1592 | assert (preparemax >= preparecnt); |
|
|
1593 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1594 | |
|
|
1595 | assert (checkmax >= checkcnt); |
|
|
1596 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1597 | |
|
|
1598 | # if 0 |
|
|
1599 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1600 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1546 | #endif |
1601 | # endif |
1547 | array_check ((W **)prepares, preparecnt); |
|
|
1548 | array_check ((W **)checks, checkcnt); |
|
|
1549 | #endif |
1602 | #endif |
1550 | } |
1603 | } |
1551 | |
1604 | |
1552 | #endif /* multiplicity */ |
1605 | #endif /* multiplicity */ |
1553 | |
1606 | |
… | |
… | |
1590 | { |
1643 | { |
1591 | #if EV_MULTIPLICITY |
1644 | #if EV_MULTIPLICITY |
1592 | struct ev_loop *loop = ev_default_loop_ptr; |
1645 | struct ev_loop *loop = ev_default_loop_ptr; |
1593 | #endif |
1646 | #endif |
1594 | |
1647 | |
|
|
1648 | ev_default_loop_ptr = 0; |
|
|
1649 | |
1595 | #ifndef _WIN32 |
1650 | #ifndef _WIN32 |
1596 | ev_ref (EV_A); /* child watcher */ |
1651 | ev_ref (EV_A); /* child watcher */ |
1597 | ev_signal_stop (EV_A_ &childev); |
1652 | ev_signal_stop (EV_A_ &childev); |
1598 | #endif |
1653 | #endif |
1599 | |
1654 | |
… | |
… | |
1605 | { |
1660 | { |
1606 | #if EV_MULTIPLICITY |
1661 | #if EV_MULTIPLICITY |
1607 | struct ev_loop *loop = ev_default_loop_ptr; |
1662 | struct ev_loop *loop = ev_default_loop_ptr; |
1608 | #endif |
1663 | #endif |
1609 | |
1664 | |
1610 | if (backend) |
|
|
1611 | postfork = 1; /* must be in line with ev_loop_fork */ |
1665 | postfork = 1; /* must be in line with ev_loop_fork */ |
1612 | } |
1666 | } |
1613 | |
1667 | |
1614 | /*****************************************************************************/ |
1668 | /*****************************************************************************/ |
1615 | |
1669 | |
1616 | void |
1670 | void |
… | |
… | |
1847 | ev_unref (EV_P) |
1901 | ev_unref (EV_P) |
1848 | { |
1902 | { |
1849 | --activecnt; |
1903 | --activecnt; |
1850 | } |
1904 | } |
1851 | |
1905 | |
|
|
1906 | void |
|
|
1907 | ev_now_update (EV_P) |
|
|
1908 | { |
|
|
1909 | time_update (EV_A_ 1e100); |
|
|
1910 | } |
|
|
1911 | |
1852 | static int loop_done; |
1912 | static int loop_done; |
1853 | |
1913 | |
1854 | void |
1914 | void |
1855 | ev_loop (EV_P_ int flags) |
1915 | ev_loop (EV_P_ int flags) |
1856 | { |
1916 | { |
… | |
… | |
2065 | |
2125 | |
2066 | if (expect_false (ev_is_active (w))) |
2126 | if (expect_false (ev_is_active (w))) |
2067 | return; |
2127 | return; |
2068 | |
2128 | |
2069 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2129 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2130 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2070 | |
2131 | |
2071 | EV_FREQUENT_CHECK; |
2132 | EV_FREQUENT_CHECK; |
2072 | |
2133 | |
2073 | ev_start (EV_A_ (W)w, 1); |
2134 | ev_start (EV_A_ (W)w, 1); |
2074 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2135 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2075 | wlist_add (&anfds[fd].head, (WL)w); |
2136 | wlist_add (&anfds[fd].head, (WL)w); |
2076 | |
2137 | |
2077 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2138 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2078 | w->events &= ~EV_IOFDSET; |
2139 | w->events &= ~EV_IOFDSET; |
2079 | |
2140 | |
… | |
… | |
2271 | sigset_t full, prev; |
2332 | sigset_t full, prev; |
2272 | sigfillset (&full); |
2333 | sigfillset (&full); |
2273 | sigprocmask (SIG_SETMASK, &full, &prev); |
2334 | sigprocmask (SIG_SETMASK, &full, &prev); |
2274 | #endif |
2335 | #endif |
2275 | |
2336 | |
2276 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2337 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2277 | |
2338 | |
2278 | #ifndef _WIN32 |
2339 | #ifndef _WIN32 |
2279 | sigprocmask (SIG_SETMASK, &prev, 0); |
2340 | sigprocmask (SIG_SETMASK, &prev, 0); |
2280 | #endif |
2341 | #endif |
2281 | } |
2342 | } |
… | |
… | |
2372 | if (w->wd < 0) |
2433 | if (w->wd < 0) |
2373 | { |
2434 | { |
2374 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2435 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2375 | |
2436 | |
2376 | /* monitor some parent directory for speedup hints */ |
2437 | /* monitor some parent directory for speedup hints */ |
2377 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
2438 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
2378 | /* but an efficiency issue only */ |
2439 | /* but an efficiency issue only */ |
2379 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2440 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2380 | { |
2441 | { |
2381 | char path [4096]; |
2442 | char path [4096]; |
2382 | strcpy (path, w->path); |
2443 | strcpy (path, w->path); |
… | |
… | |
2396 | } |
2457 | } |
2397 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2458 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2398 | } |
2459 | } |
2399 | } |
2460 | } |
2400 | else |
2461 | else |
|
|
2462 | todo, on nfs etc., we need to poll every 60s or so |
2401 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
2463 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
2402 | |
2464 | |
2403 | if (w->wd >= 0) |
2465 | if (w->wd >= 0) |
2404 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2466 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2405 | } |
2467 | } |
… | |
… | |
2423 | |
2485 | |
2424 | static void noinline |
2486 | static void noinline |
2425 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2487 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2426 | { |
2488 | { |
2427 | if (slot < 0) |
2489 | if (slot < 0) |
2428 | /* overflow, need to check for all hahs slots */ |
2490 | /* overflow, need to check for all hash slots */ |
2429 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2491 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2430 | infy_wd (EV_A_ slot, wd, ev); |
2492 | infy_wd (EV_A_ slot, wd, ev); |
2431 | else |
2493 | else |
2432 | { |
2494 | { |
2433 | WL w_; |
2495 | WL w_; |
… | |
… | |
2467 | infy_init (EV_P) |
2529 | infy_init (EV_P) |
2468 | { |
2530 | { |
2469 | if (fs_fd != -2) |
2531 | if (fs_fd != -2) |
2470 | return; |
2532 | return; |
2471 | |
2533 | |
|
|
2534 | /* kernels < 2.6.25 are borked |
|
|
2535 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2536 | */ |
|
|
2537 | { |
|
|
2538 | struct utsname buf; |
|
|
2539 | int major, minor, micro; |
|
|
2540 | |
|
|
2541 | fs_fd = -1; |
|
|
2542 | |
|
|
2543 | if (uname (&buf)) |
|
|
2544 | return; |
|
|
2545 | |
|
|
2546 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2547 | return; |
|
|
2548 | |
|
|
2549 | if (major < 2 |
|
|
2550 | || (major == 2 && minor < 6) |
|
|
2551 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2552 | return; |
|
|
2553 | } |
|
|
2554 | |
2472 | fs_fd = inotify_init (); |
2555 | fs_fd = inotify_init (); |
2473 | |
2556 | |
2474 | if (fs_fd >= 0) |
2557 | if (fs_fd >= 0) |
2475 | { |
2558 | { |
2476 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2559 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2505 | if (fs_fd >= 0) |
2588 | if (fs_fd >= 0) |
2506 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2589 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2507 | else |
2590 | else |
2508 | ev_timer_start (EV_A_ &w->timer); |
2591 | ev_timer_start (EV_A_ &w->timer); |
2509 | } |
2592 | } |
2510 | |
|
|
2511 | } |
2593 | } |
2512 | } |
2594 | } |
2513 | |
2595 | |
|
|
2596 | #endif |
|
|
2597 | |
|
|
2598 | #ifdef _WIN32 |
|
|
2599 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2600 | #else |
|
|
2601 | # define EV_LSTAT(p,b) lstat (p, b) |
2514 | #endif |
2602 | #endif |
2515 | |
2603 | |
2516 | void |
2604 | void |
2517 | ev_stat_stat (EV_P_ ev_stat *w) |
2605 | ev_stat_stat (EV_P_ ev_stat *w) |
2518 | { |
2606 | { |
… | |
… | |
2545 | || w->prev.st_atime != w->attr.st_atime |
2633 | || w->prev.st_atime != w->attr.st_atime |
2546 | || w->prev.st_mtime != w->attr.st_mtime |
2634 | || w->prev.st_mtime != w->attr.st_mtime |
2547 | || w->prev.st_ctime != w->attr.st_ctime |
2635 | || w->prev.st_ctime != w->attr.st_ctime |
2548 | ) { |
2636 | ) { |
2549 | #if EV_USE_INOTIFY |
2637 | #if EV_USE_INOTIFY |
|
|
2638 | if (fs_fd >= 0) |
|
|
2639 | { |
2550 | infy_del (EV_A_ w); |
2640 | infy_del (EV_A_ w); |
2551 | infy_add (EV_A_ w); |
2641 | infy_add (EV_A_ w); |
2552 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2642 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2643 | } |
2553 | #endif |
2644 | #endif |
2554 | |
2645 | |
2555 | ev_feed_event (EV_A_ w, EV_STAT); |
2646 | ev_feed_event (EV_A_ w, EV_STAT); |
2556 | } |
2647 | } |
2557 | } |
2648 | } |
… | |
… | |
2759 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2850 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2760 | } |
2851 | } |
2761 | } |
2852 | } |
2762 | } |
2853 | } |
2763 | |
2854 | |
|
|
2855 | static void |
|
|
2856 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2857 | { |
|
|
2858 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2859 | |
|
|
2860 | { |
|
|
2861 | struct ev_loop *loop = w->other; |
|
|
2862 | |
|
|
2863 | ev_loop_fork (EV_A); |
|
|
2864 | } |
|
|
2865 | } |
|
|
2866 | |
2764 | #if 0 |
2867 | #if 0 |
2765 | static void |
2868 | static void |
2766 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2869 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2767 | { |
2870 | { |
2768 | ev_idle_stop (EV_A_ idle); |
2871 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2788 | |
2891 | |
2789 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2892 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2790 | ev_set_priority (&w->prepare, EV_MINPRI); |
2893 | ev_set_priority (&w->prepare, EV_MINPRI); |
2791 | ev_prepare_start (EV_A_ &w->prepare); |
2894 | ev_prepare_start (EV_A_ &w->prepare); |
2792 | |
2895 | |
|
|
2896 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2897 | ev_fork_start (EV_A_ &w->fork); |
|
|
2898 | |
2793 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2899 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2794 | |
2900 | |
2795 | ev_start (EV_A_ (W)w, 1); |
2901 | ev_start (EV_A_ (W)w, 1); |
2796 | |
2902 | |
2797 | EV_FREQUENT_CHECK; |
2903 | EV_FREQUENT_CHECK; |
… | |
… | |
2804 | if (expect_false (!ev_is_active (w))) |
2910 | if (expect_false (!ev_is_active (w))) |
2805 | return; |
2911 | return; |
2806 | |
2912 | |
2807 | EV_FREQUENT_CHECK; |
2913 | EV_FREQUENT_CHECK; |
2808 | |
2914 | |
2809 | ev_io_stop (EV_A_ &w->io); |
2915 | ev_io_stop (EV_A_ &w->io); |
2810 | ev_prepare_stop (EV_A_ &w->prepare); |
2916 | ev_prepare_stop (EV_A_ &w->prepare); |
2811 | |
2917 | ev_fork_stop (EV_A_ &w->fork); |
2812 | ev_stop (EV_A_ (W)w); |
|
|
2813 | |
2918 | |
2814 | EV_FREQUENT_CHECK; |
2919 | EV_FREQUENT_CHECK; |
2815 | } |
2920 | } |
2816 | #endif |
2921 | #endif |
2817 | |
2922 | |
… | |
… | |
2914 | once_cb (EV_P_ struct ev_once *once, int revents) |
3019 | once_cb (EV_P_ struct ev_once *once, int revents) |
2915 | { |
3020 | { |
2916 | void (*cb)(int revents, void *arg) = once->cb; |
3021 | void (*cb)(int revents, void *arg) = once->cb; |
2917 | void *arg = once->arg; |
3022 | void *arg = once->arg; |
2918 | |
3023 | |
2919 | ev_io_stop (EV_A_ &once->io); |
3024 | ev_io_stop (EV_A_ &once->io); |
2920 | ev_timer_stop (EV_A_ &once->to); |
3025 | ev_timer_stop (EV_A_ &once->to); |
2921 | ev_free (once); |
3026 | ev_free (once); |
2922 | |
3027 | |
2923 | cb (revents, arg); |
3028 | cb (revents, arg); |
2924 | } |
3029 | } |
2925 | |
3030 | |
2926 | static void |
3031 | static void |
2927 | once_cb_io (EV_P_ ev_io *w, int revents) |
3032 | once_cb_io (EV_P_ ev_io *w, int revents) |
2928 | { |
3033 | { |
2929 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3034 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3035 | |
|
|
3036 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2930 | } |
3037 | } |
2931 | |
3038 | |
2932 | static void |
3039 | static void |
2933 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3040 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2934 | { |
3041 | { |
2935 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3042 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3043 | |
|
|
3044 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2936 | } |
3045 | } |
2937 | |
3046 | |
2938 | void |
3047 | void |
2939 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3048 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2940 | { |
3049 | { |