… | |
… | |
164 | #endif |
164 | #endif |
165 | |
165 | |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
167 | |
167 | |
168 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
|
|
169 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
|
|
170 | # define EV_USE_MONOTONIC 1 |
|
|
171 | # else |
169 | # define EV_USE_MONOTONIC 0 |
172 | # define EV_USE_MONOTONIC 0 |
|
|
173 | # endif |
170 | #endif |
174 | #endif |
171 | |
175 | |
172 | #ifndef EV_USE_REALTIME |
176 | #ifndef EV_USE_REALTIME |
173 | # define EV_USE_REALTIME 0 |
177 | # define EV_USE_REALTIME 0 |
174 | #endif |
178 | #endif |
175 | |
179 | |
176 | #ifndef EV_USE_NANOSLEEP |
180 | #ifndef EV_USE_NANOSLEEP |
|
|
181 | # if _POSIX_C_SOURCE >= 199309L |
|
|
182 | # define EV_USE_NANOSLEEP 1 |
|
|
183 | # else |
177 | # define EV_USE_NANOSLEEP 0 |
184 | # define EV_USE_NANOSLEEP 0 |
|
|
185 | # endif |
178 | #endif |
186 | #endif |
179 | |
187 | |
180 | #ifndef EV_USE_SELECT |
188 | #ifndef EV_USE_SELECT |
181 | # define EV_USE_SELECT 1 |
189 | # define EV_USE_SELECT 1 |
182 | #endif |
190 | #endif |
… | |
… | |
699 | events |= (unsigned char)w->events; |
707 | events |= (unsigned char)w->events; |
700 | |
708 | |
701 | #if EV_SELECT_IS_WINSOCKET |
709 | #if EV_SELECT_IS_WINSOCKET |
702 | if (events) |
710 | if (events) |
703 | { |
711 | { |
704 | unsigned long argp; |
712 | unsigned long arg; |
705 | #ifdef EV_FD_TO_WIN32_HANDLE |
713 | #ifdef EV_FD_TO_WIN32_HANDLE |
706 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
714 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
707 | #else |
715 | #else |
708 | anfd->handle = _get_osfhandle (fd); |
716 | anfd->handle = _get_osfhandle (fd); |
709 | #endif |
717 | #endif |
710 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
718 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
711 | } |
719 | } |
712 | #endif |
720 | #endif |
713 | |
721 | |
714 | { |
722 | { |
715 | unsigned char o_events = anfd->events; |
723 | unsigned char o_events = anfd->events; |
… | |
… | |
768 | { |
776 | { |
769 | int fd; |
777 | int fd; |
770 | |
778 | |
771 | for (fd = 0; fd < anfdmax; ++fd) |
779 | for (fd = 0; fd < anfdmax; ++fd) |
772 | if (anfds [fd].events) |
780 | if (anfds [fd].events) |
773 | if (!fd_valid (fd) == -1 && errno == EBADF) |
781 | if (!fd_valid (fd) && errno == EBADF) |
774 | fd_kill (EV_A_ fd); |
782 | fd_kill (EV_A_ fd); |
775 | } |
783 | } |
776 | |
784 | |
777 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
785 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
778 | static void noinline |
786 | static void noinline |
… | |
… | |
937 | /* rebuild the heap: this function is used only once and executed rarely */ |
945 | /* rebuild the heap: this function is used only once and executed rarely */ |
938 | void inline_size |
946 | void inline_size |
939 | reheap (ANHE *heap, int N) |
947 | reheap (ANHE *heap, int N) |
940 | { |
948 | { |
941 | int i; |
949 | int i; |
|
|
950 | |
942 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
951 | /* 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 */ |
952 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
944 | for (i = 0; i < N; ++i) |
953 | for (i = 0; i < N; ++i) |
945 | upheap (heap, i + HEAP0); |
954 | upheap (heap, i + HEAP0); |
946 | } |
955 | } |
947 | |
956 | |
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 | /*****************************************************************************/ |
957 | /*****************************************************************************/ |
964 | |
958 | |
965 | typedef struct |
959 | typedef struct |
966 | { |
960 | { |
967 | WL head; |
961 | WL head; |
… | |
… | |
989 | |
983 | |
990 | void inline_speed |
984 | void inline_speed |
991 | fd_intern (int fd) |
985 | fd_intern (int fd) |
992 | { |
986 | { |
993 | #ifdef _WIN32 |
987 | #ifdef _WIN32 |
994 | int arg = 1; |
988 | unsigned long arg = 1; |
995 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
989 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
996 | #else |
990 | #else |
997 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
991 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
998 | fcntl (fd, F_SETFL, O_NONBLOCK); |
992 | fcntl (fd, F_SETFL, O_NONBLOCK); |
999 | #endif |
993 | #endif |
… | |
… | |
1513 | { |
1507 | { |
1514 | postfork = 1; /* must be in line with ev_default_fork */ |
1508 | postfork = 1; /* must be in line with ev_default_fork */ |
1515 | } |
1509 | } |
1516 | |
1510 | |
1517 | #if EV_VERIFY |
1511 | #if EV_VERIFY |
1518 | static void |
1512 | void noinline |
|
|
1513 | verify_watcher (EV_P_ W w) |
|
|
1514 | { |
|
|
1515 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1516 | |
|
|
1517 | if (w->pending) |
|
|
1518 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1519 | } |
|
|
1520 | |
|
|
1521 | static void noinline |
|
|
1522 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1523 | { |
|
|
1524 | int i; |
|
|
1525 | |
|
|
1526 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1527 | { |
|
|
1528 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1529 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1530 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1531 | |
|
|
1532 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1533 | } |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | static void noinline |
1519 | array_check (W **ws, int cnt) |
1537 | array_verify (EV_P_ W *ws, int cnt) |
1520 | { |
1538 | { |
1521 | while (cnt--) |
1539 | while (cnt--) |
|
|
1540 | { |
1522 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1541 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1542 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1543 | } |
1523 | } |
1544 | } |
1524 | #endif |
1545 | #endif |
1525 | |
1546 | |
1526 | void |
1547 | void |
1527 | ev_loop_verify (EV_P) |
1548 | ev_loop_verify (EV_P) |
1528 | { |
1549 | { |
1529 | #if EV_VERIFY |
1550 | #if EV_VERIFY |
1530 | int i; |
1551 | int i; |
|
|
1552 | WL w; |
1531 | |
1553 | |
|
|
1554 | assert (activecnt >= -1); |
|
|
1555 | |
|
|
1556 | assert (fdchangemax >= fdchangecnt); |
|
|
1557 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1558 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1559 | |
|
|
1560 | assert (anfdmax >= 0); |
|
|
1561 | for (i = 0; i < anfdmax; ++i) |
|
|
1562 | for (w = anfds [i].head; w; w = w->next) |
|
|
1563 | { |
|
|
1564 | verify_watcher (EV_A_ (W)w); |
|
|
1565 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1566 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1567 | } |
|
|
1568 | |
|
|
1569 | assert (timermax >= timercnt); |
1532 | checkheap (timers, timercnt); |
1570 | verify_heap (EV_A_ timers, timercnt); |
|
|
1571 | |
1533 | #if EV_PERIODIC_ENABLE |
1572 | #if EV_PERIODIC_ENABLE |
|
|
1573 | assert (periodicmax >= periodiccnt); |
1534 | checkheap (periodics, periodiccnt); |
1574 | verify_heap (EV_A_ periodics, periodiccnt); |
1535 | #endif |
1575 | #endif |
1536 | |
1576 | |
|
|
1577 | for (i = NUMPRI; i--; ) |
|
|
1578 | { |
|
|
1579 | assert (pendingmax [i] >= pendingcnt [i]); |
1537 | #if EV_IDLE_ENABLE |
1580 | #if EV_IDLE_ENABLE |
1538 | for (i = NUMPRI; i--; ) |
1581 | assert (idleall >= 0); |
|
|
1582 | assert (idlemax [i] >= idlecnt [i]); |
1539 | array_check ((W **)idles [i], idlecnt [i]); |
1583 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
1540 | #endif |
1584 | #endif |
|
|
1585 | } |
|
|
1586 | |
1541 | #if EV_FORK_ENABLE |
1587 | #if EV_FORK_ENABLE |
|
|
1588 | assert (forkmax >= forkcnt); |
1542 | array_check ((W **)forks, forkcnt); |
1589 | array_verify (EV_A_ (W *)forks, forkcnt); |
1543 | #endif |
1590 | #endif |
|
|
1591 | |
1544 | #if EV_ASYNC_ENABLE |
1592 | #if EV_ASYNC_ENABLE |
|
|
1593 | assert (asyncmax >= asynccnt); |
1545 | array_check ((W **)asyncs, asynccnt); |
1594 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1595 | #endif |
|
|
1596 | |
|
|
1597 | assert (preparemax >= preparecnt); |
|
|
1598 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1599 | |
|
|
1600 | assert (checkmax >= checkcnt); |
|
|
1601 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1602 | |
|
|
1603 | # if 0 |
|
|
1604 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1605 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1546 | #endif |
1606 | # endif |
1547 | array_check ((W **)prepares, preparecnt); |
|
|
1548 | array_check ((W **)checks, checkcnt); |
|
|
1549 | #endif |
1607 | #endif |
1550 | } |
1608 | } |
1551 | |
1609 | |
1552 | #endif /* multiplicity */ |
1610 | #endif /* multiplicity */ |
1553 | |
1611 | |
… | |
… | |
2509 | } |
2567 | } |
2510 | |
2568 | |
2511 | } |
2569 | } |
2512 | } |
2570 | } |
2513 | |
2571 | |
|
|
2572 | #endif |
|
|
2573 | |
|
|
2574 | #ifdef _WIN32 |
|
|
2575 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2576 | #else |
|
|
2577 | # define EV_LSTAT(p,b) lstat (p, b) |
2514 | #endif |
2578 | #endif |
2515 | |
2579 | |
2516 | void |
2580 | void |
2517 | ev_stat_stat (EV_P_ ev_stat *w) |
2581 | ev_stat_stat (EV_P_ ev_stat *w) |
2518 | { |
2582 | { |