… | |
… | |
126 | # define EV_USE_EVENTFD 1 |
126 | # define EV_USE_EVENTFD 1 |
127 | # else |
127 | # else |
128 | # define EV_USE_EVENTFD 0 |
128 | # define EV_USE_EVENTFD 0 |
129 | # endif |
129 | # endif |
130 | # endif |
130 | # endif |
131 | |
131 | |
132 | #endif |
132 | #endif |
133 | |
133 | |
134 | #include <math.h> |
134 | #include <math.h> |
135 | #include <stdlib.h> |
135 | #include <stdlib.h> |
136 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
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 |
… | |
… | |
235 | # else |
244 | # else |
236 | # define EV_USE_EVENTFD 0 |
245 | # define EV_USE_EVENTFD 0 |
237 | # endif |
246 | # endif |
238 | #endif |
247 | #endif |
239 | |
248 | |
|
|
249 | #if 0 /* debugging */ |
|
|
250 | # define EV_VERIFY 3 |
|
|
251 | # define EV_USE_4HEAP 1 |
|
|
252 | # define EV_HEAP_CACHE_AT 1 |
|
|
253 | #endif |
|
|
254 | |
|
|
255 | #ifndef EV_VERIFY |
|
|
256 | # define EV_VERIFY !EV_MINIMAL |
|
|
257 | #endif |
|
|
258 | |
240 | #ifndef EV_USE_4HEAP |
259 | #ifndef EV_USE_4HEAP |
241 | # define EV_USE_4HEAP !EV_MINIMAL |
260 | # define EV_USE_4HEAP !EV_MINIMAL |
242 | #endif |
261 | #endif |
243 | |
262 | |
244 | #ifndef EV_HEAP_CACHE_AT |
263 | #ifndef EV_HEAP_CACHE_AT |
… | |
… | |
267 | # include <sys/select.h> |
286 | # include <sys/select.h> |
268 | # endif |
287 | # endif |
269 | #endif |
288 | #endif |
270 | |
289 | |
271 | #if EV_USE_INOTIFY |
290 | #if EV_USE_INOTIFY |
|
|
291 | # include <sys/utsname.h> |
272 | # include <sys/inotify.h> |
292 | # include <sys/inotify.h> |
|
|
293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
294 | # ifndef IN_DONT_FOLLOW |
|
|
295 | # undef EV_USE_INOTIFY |
|
|
296 | # define EV_USE_INOTIFY 0 |
|
|
297 | # endif |
273 | #endif |
298 | #endif |
274 | |
299 | |
275 | #if EV_SELECT_IS_WINSOCKET |
300 | #if EV_SELECT_IS_WINSOCKET |
276 | # include <winsock.h> |
301 | # include <winsock.h> |
277 | #endif |
302 | #endif |
… | |
… | |
288 | # endif |
313 | # endif |
289 | #endif |
314 | #endif |
290 | |
315 | |
291 | /**/ |
316 | /**/ |
292 | |
317 | |
293 | /* undefined or zero: no verification done or available */ |
|
|
294 | /* 1 or higher: ev_loop_verify function available */ |
|
|
295 | /* 2 or higher: ev_loop_verify is called frequently */ |
|
|
296 | #define EV_VERIFY 1 |
|
|
297 | |
|
|
298 | #if EV_VERIFY > 1 |
318 | #if EV_VERIFY >= 3 |
299 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
319 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
300 | #else |
320 | #else |
301 | # define EV_FREQUENT_CHECK do { } while (0) |
321 | # define EV_FREQUENT_CHECK do { } while (0) |
302 | #endif |
322 | #endif |
303 | |
323 | |
… | |
… | |
368 | { |
388 | { |
369 | syserr_cb = cb; |
389 | syserr_cb = cb; |
370 | } |
390 | } |
371 | |
391 | |
372 | static void noinline |
392 | static void noinline |
373 | syserr (const char *msg) |
393 | ev_syserr (const char *msg) |
374 | { |
394 | { |
375 | if (!msg) |
395 | if (!msg) |
376 | msg = "(libev) system error"; |
396 | msg = "(libev) system error"; |
377 | |
397 | |
378 | if (syserr_cb) |
398 | if (syserr_cb) |
… | |
… | |
429 | typedef struct |
449 | typedef struct |
430 | { |
450 | { |
431 | WL head; |
451 | WL head; |
432 | unsigned char events; |
452 | unsigned char events; |
433 | unsigned char reify; |
453 | unsigned char reify; |
|
|
454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
|
|
455 | unsigned char unused; |
|
|
456 | #if EV_USE_EPOLL |
|
|
457 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
458 | #endif |
434 | #if EV_SELECT_IS_WINSOCKET |
459 | #if EV_SELECT_IS_WINSOCKET |
435 | SOCKET handle; |
460 | SOCKET handle; |
436 | #endif |
461 | #endif |
437 | } ANFD; |
462 | } ANFD; |
438 | |
463 | |
… | |
… | |
551 | struct timeval tv; |
576 | struct timeval tv; |
552 | |
577 | |
553 | tv.tv_sec = (time_t)delay; |
578 | tv.tv_sec = (time_t)delay; |
554 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
579 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
555 | |
580 | |
|
|
581 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
582 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
583 | /* by older ones */ |
556 | select (0, 0, 0, 0, &tv); |
584 | select (0, 0, 0, 0, &tv); |
557 | #endif |
585 | #endif |
558 | } |
586 | } |
559 | } |
587 | } |
560 | |
588 | |
… | |
… | |
587 | array_realloc (int elem, void *base, int *cur, int cnt) |
615 | array_realloc (int elem, void *base, int *cur, int cnt) |
588 | { |
616 | { |
589 | *cur = array_nextsize (elem, *cur, cnt); |
617 | *cur = array_nextsize (elem, *cur, cnt); |
590 | return ev_realloc (base, elem * *cur); |
618 | return ev_realloc (base, elem * *cur); |
591 | } |
619 | } |
|
|
620 | |
|
|
621 | #define array_init_zero(base,count) \ |
|
|
622 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
592 | |
623 | |
593 | #define array_needsize(type,base,cur,cnt,init) \ |
624 | #define array_needsize(type,base,cur,cnt,init) \ |
594 | if (expect_false ((cnt) > (cur))) \ |
625 | if (expect_false ((cnt) > (cur))) \ |
595 | { \ |
626 | { \ |
596 | int ocur_ = (cur); \ |
627 | int ocur_ = (cur); \ |
… | |
… | |
640 | ev_feed_event (EV_A_ events [i], type); |
671 | ev_feed_event (EV_A_ events [i], type); |
641 | } |
672 | } |
642 | |
673 | |
643 | /*****************************************************************************/ |
674 | /*****************************************************************************/ |
644 | |
675 | |
645 | void inline_size |
|
|
646 | anfds_init (ANFD *base, int count) |
|
|
647 | { |
|
|
648 | while (count--) |
|
|
649 | { |
|
|
650 | base->head = 0; |
|
|
651 | base->events = EV_NONE; |
|
|
652 | base->reify = 0; |
|
|
653 | |
|
|
654 | ++base; |
|
|
655 | } |
|
|
656 | } |
|
|
657 | |
|
|
658 | void inline_speed |
676 | void inline_speed |
659 | fd_event (EV_P_ int fd, int revents) |
677 | fd_event (EV_P_ int fd, int revents) |
660 | { |
678 | { |
661 | ANFD *anfd = anfds + fd; |
679 | ANFD *anfd = anfds + fd; |
662 | ev_io *w; |
680 | ev_io *w; |
… | |
… | |
694 | events |= (unsigned char)w->events; |
712 | events |= (unsigned char)w->events; |
695 | |
713 | |
696 | #if EV_SELECT_IS_WINSOCKET |
714 | #if EV_SELECT_IS_WINSOCKET |
697 | if (events) |
715 | if (events) |
698 | { |
716 | { |
699 | unsigned long argp; |
717 | unsigned long arg; |
700 | #ifdef EV_FD_TO_WIN32_HANDLE |
718 | #ifdef EV_FD_TO_WIN32_HANDLE |
701 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
719 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
702 | #else |
720 | #else |
703 | anfd->handle = _get_osfhandle (fd); |
721 | anfd->handle = _get_osfhandle (fd); |
704 | #endif |
722 | #endif |
705 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
723 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
706 | } |
724 | } |
707 | #endif |
725 | #endif |
708 | |
726 | |
709 | { |
727 | { |
710 | unsigned char o_events = anfd->events; |
728 | unsigned char o_events = anfd->events; |
… | |
… | |
763 | { |
781 | { |
764 | int fd; |
782 | int fd; |
765 | |
783 | |
766 | for (fd = 0; fd < anfdmax; ++fd) |
784 | for (fd = 0; fd < anfdmax; ++fd) |
767 | if (anfds [fd].events) |
785 | if (anfds [fd].events) |
768 | if (!fd_valid (fd) == -1 && errno == EBADF) |
786 | if (!fd_valid (fd) && errno == EBADF) |
769 | fd_kill (EV_A_ fd); |
787 | fd_kill (EV_A_ fd); |
770 | } |
788 | } |
771 | |
789 | |
772 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
790 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
773 | static void noinline |
791 | static void noinline |
… | |
… | |
791 | |
809 | |
792 | for (fd = 0; fd < anfdmax; ++fd) |
810 | for (fd = 0; fd < anfdmax; ++fd) |
793 | if (anfds [fd].events) |
811 | if (anfds [fd].events) |
794 | { |
812 | { |
795 | anfds [fd].events = 0; |
813 | anfds [fd].events = 0; |
|
|
814 | anfds [fd].emask = 0; |
796 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
815 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
797 | } |
816 | } |
798 | } |
817 | } |
799 | |
818 | |
800 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
… | |
… | |
932 | /* rebuild the heap: this function is used only once and executed rarely */ |
951 | /* rebuild the heap: this function is used only once and executed rarely */ |
933 | void inline_size |
952 | void inline_size |
934 | reheap (ANHE *heap, int N) |
953 | reheap (ANHE *heap, int N) |
935 | { |
954 | { |
936 | int i; |
955 | int i; |
|
|
956 | |
937 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
957 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
938 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
958 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
939 | for (i = 0; i < N; ++i) |
959 | for (i = 0; i < N; ++i) |
940 | upheap (heap, i + HEAP0); |
960 | upheap (heap, i + HEAP0); |
941 | } |
961 | } |
942 | |
962 | |
943 | #if EV_VERIFY |
|
|
944 | static void |
|
|
945 | checkheap (ANHE *heap, int N) |
|
|
946 | { |
|
|
947 | int i; |
|
|
948 | |
|
|
949 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
950 | { |
|
|
951 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
952 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
953 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
954 | } |
|
|
955 | } |
|
|
956 | #endif |
|
|
957 | |
|
|
958 | /*****************************************************************************/ |
963 | /*****************************************************************************/ |
959 | |
964 | |
960 | typedef struct |
965 | typedef struct |
961 | { |
966 | { |
962 | WL head; |
967 | WL head; |
… | |
… | |
966 | static ANSIG *signals; |
971 | static ANSIG *signals; |
967 | static int signalmax; |
972 | static int signalmax; |
968 | |
973 | |
969 | static EV_ATOMIC_T gotsig; |
974 | static EV_ATOMIC_T gotsig; |
970 | |
975 | |
971 | void inline_size |
|
|
972 | signals_init (ANSIG *base, int count) |
|
|
973 | { |
|
|
974 | while (count--) |
|
|
975 | { |
|
|
976 | base->head = 0; |
|
|
977 | base->gotsig = 0; |
|
|
978 | |
|
|
979 | ++base; |
|
|
980 | } |
|
|
981 | } |
|
|
982 | |
|
|
983 | /*****************************************************************************/ |
976 | /*****************************************************************************/ |
984 | |
977 | |
985 | void inline_speed |
978 | void inline_speed |
986 | fd_intern (int fd) |
979 | fd_intern (int fd) |
987 | { |
980 | { |
988 | #ifdef _WIN32 |
981 | #ifdef _WIN32 |
989 | int arg = 1; |
982 | unsigned long arg = 1; |
990 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
983 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
991 | #else |
984 | #else |
992 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
985 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
993 | fcntl (fd, F_SETFL, O_NONBLOCK); |
986 | fcntl (fd, F_SETFL, O_NONBLOCK); |
994 | #endif |
987 | #endif |
… | |
… | |
1008 | } |
1001 | } |
1009 | else |
1002 | else |
1010 | #endif |
1003 | #endif |
1011 | { |
1004 | { |
1012 | while (pipe (evpipe)) |
1005 | while (pipe (evpipe)) |
1013 | syserr ("(libev) error creating signal/async pipe"); |
1006 | ev_syserr ("(libev) error creating signal/async pipe"); |
1014 | |
1007 | |
1015 | fd_intern (evpipe [0]); |
1008 | fd_intern (evpipe [0]); |
1016 | fd_intern (evpipe [1]); |
1009 | fd_intern (evpipe [1]); |
1017 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1010 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
1018 | } |
1011 | } |
… | |
… | |
1478 | |
1471 | |
1479 | postfork = 0; |
1472 | postfork = 0; |
1480 | } |
1473 | } |
1481 | |
1474 | |
1482 | #if EV_MULTIPLICITY |
1475 | #if EV_MULTIPLICITY |
|
|
1476 | |
1483 | struct ev_loop * |
1477 | struct ev_loop * |
1484 | ev_loop_new (unsigned int flags) |
1478 | ev_loop_new (unsigned int flags) |
1485 | { |
1479 | { |
1486 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1480 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1487 | |
1481 | |
… | |
… | |
1507 | { |
1501 | { |
1508 | postfork = 1; /* must be in line with ev_default_fork */ |
1502 | postfork = 1; /* must be in line with ev_default_fork */ |
1509 | } |
1503 | } |
1510 | |
1504 | |
1511 | #if EV_VERIFY |
1505 | #if EV_VERIFY |
1512 | static void |
1506 | static void noinline |
|
|
1507 | verify_watcher (EV_P_ W w) |
|
|
1508 | { |
|
|
1509 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1510 | |
|
|
1511 | if (w->pending) |
|
|
1512 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | static void noinline |
|
|
1516 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1517 | { |
|
|
1518 | int i; |
|
|
1519 | |
|
|
1520 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1521 | { |
|
|
1522 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1523 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1524 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1525 | |
|
|
1526 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1527 | } |
|
|
1528 | } |
|
|
1529 | |
|
|
1530 | static void noinline |
1513 | array_check (W **ws, int cnt) |
1531 | array_verify (EV_P_ W *ws, int cnt) |
1514 | { |
1532 | { |
1515 | while (cnt--) |
1533 | while (cnt--) |
|
|
1534 | { |
1516 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
1535 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1536 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1537 | } |
1517 | } |
1538 | } |
|
|
1539 | #endif |
1518 | |
1540 | |
1519 | static void |
1541 | void |
1520 | ev_loop_verify (EV_P) |
1542 | ev_loop_verify (EV_P) |
1521 | { |
1543 | { |
|
|
1544 | #if EV_VERIFY |
1522 | int i; |
1545 | int i; |
|
|
1546 | WL w; |
1523 | |
1547 | |
|
|
1548 | assert (activecnt >= -1); |
|
|
1549 | |
|
|
1550 | assert (fdchangemax >= fdchangecnt); |
|
|
1551 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1552 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1553 | |
|
|
1554 | assert (anfdmax >= 0); |
|
|
1555 | for (i = 0; i < anfdmax; ++i) |
|
|
1556 | for (w = anfds [i].head; w; w = w->next) |
|
|
1557 | { |
|
|
1558 | verify_watcher (EV_A_ (W)w); |
|
|
1559 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1560 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | assert (timermax >= timercnt); |
1524 | checkheap (timers, timercnt); |
1564 | verify_heap (EV_A_ timers, timercnt); |
|
|
1565 | |
1525 | #if EV_PERIODIC_ENABLE |
1566 | #if EV_PERIODIC_ENABLE |
|
|
1567 | assert (periodicmax >= periodiccnt); |
1526 | checkheap (periodics, periodiccnt); |
1568 | verify_heap (EV_A_ periodics, periodiccnt); |
1527 | #endif |
1569 | #endif |
1528 | |
1570 | |
|
|
1571 | for (i = NUMPRI; i--; ) |
|
|
1572 | { |
|
|
1573 | assert (pendingmax [i] >= pendingcnt [i]); |
1529 | #if EV_IDLE_ENABLE |
1574 | #if EV_IDLE_ENABLE |
1530 | for (i = NUMPRI; i--; ) |
1575 | assert (idleall >= 0); |
|
|
1576 | assert (idlemax [i] >= idlecnt [i]); |
1531 | array_check ((W **)idles [i], idlecnt [i]); |
1577 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
1532 | #endif |
1578 | #endif |
|
|
1579 | } |
|
|
1580 | |
1533 | #if EV_FORK_ENABLE |
1581 | #if EV_FORK_ENABLE |
|
|
1582 | assert (forkmax >= forkcnt); |
1534 | array_check ((W **)forks, forkcnt); |
1583 | array_verify (EV_A_ (W *)forks, forkcnt); |
1535 | #endif |
1584 | #endif |
1536 | array_check ((W **)prepares, preparecnt); |
1585 | |
1537 | array_check ((W **)checks, checkcnt); |
|
|
1538 | #if EV_ASYNC_ENABLE |
1586 | #if EV_ASYNC_ENABLE |
|
|
1587 | assert (asyncmax >= asynccnt); |
1539 | array_check ((W **)asyncs, asynccnt); |
1588 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1589 | #endif |
|
|
1590 | |
|
|
1591 | assert (preparemax >= preparecnt); |
|
|
1592 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1593 | |
|
|
1594 | assert (checkmax >= checkcnt); |
|
|
1595 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1596 | |
|
|
1597 | # if 0 |
|
|
1598 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1599 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1540 | #endif |
1600 | # endif |
1541 | } |
|
|
1542 | #endif |
1601 | #endif |
|
|
1602 | } |
1543 | |
1603 | |
1544 | #endif |
1604 | #endif /* multiplicity */ |
1545 | |
1605 | |
1546 | #if EV_MULTIPLICITY |
1606 | #if EV_MULTIPLICITY |
1547 | struct ev_loop * |
1607 | struct ev_loop * |
1548 | ev_default_loop_init (unsigned int flags) |
1608 | ev_default_loop_init (unsigned int flags) |
1549 | #else |
1609 | #else |
… | |
… | |
1582 | { |
1642 | { |
1583 | #if EV_MULTIPLICITY |
1643 | #if EV_MULTIPLICITY |
1584 | struct ev_loop *loop = ev_default_loop_ptr; |
1644 | struct ev_loop *loop = ev_default_loop_ptr; |
1585 | #endif |
1645 | #endif |
1586 | |
1646 | |
|
|
1647 | ev_default_loop_ptr = 0; |
|
|
1648 | |
1587 | #ifndef _WIN32 |
1649 | #ifndef _WIN32 |
1588 | ev_ref (EV_A); /* child watcher */ |
1650 | ev_ref (EV_A); /* child watcher */ |
1589 | ev_signal_stop (EV_A_ &childev); |
1651 | ev_signal_stop (EV_A_ &childev); |
1590 | #endif |
1652 | #endif |
1591 | |
1653 | |
… | |
… | |
1597 | { |
1659 | { |
1598 | #if EV_MULTIPLICITY |
1660 | #if EV_MULTIPLICITY |
1599 | struct ev_loop *loop = ev_default_loop_ptr; |
1661 | struct ev_loop *loop = ev_default_loop_ptr; |
1600 | #endif |
1662 | #endif |
1601 | |
1663 | |
1602 | if (backend) |
|
|
1603 | postfork = 1; /* must be in line with ev_loop_fork */ |
1664 | postfork = 1; /* must be in line with ev_loop_fork */ |
1604 | } |
1665 | } |
1605 | |
1666 | |
1606 | /*****************************************************************************/ |
1667 | /*****************************************************************************/ |
1607 | |
1668 | |
1608 | void |
1669 | void |
… | |
… | |
1613 | |
1674 | |
1614 | void inline_speed |
1675 | void inline_speed |
1615 | call_pending (EV_P) |
1676 | call_pending (EV_P) |
1616 | { |
1677 | { |
1617 | int pri; |
1678 | int pri; |
1618 | |
|
|
1619 | EV_FREQUENT_CHECK; |
|
|
1620 | |
1679 | |
1621 | for (pri = NUMPRI; pri--; ) |
1680 | for (pri = NUMPRI; pri--; ) |
1622 | while (pendingcnt [pri]) |
1681 | while (pendingcnt [pri]) |
1623 | { |
1682 | { |
1624 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1683 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
… | |
… | |
1627 | { |
1686 | { |
1628 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1687 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1629 | |
1688 | |
1630 | p->w->pending = 0; |
1689 | p->w->pending = 0; |
1631 | EV_CB_INVOKE (p->w, p->events); |
1690 | EV_CB_INVOKE (p->w, p->events); |
|
|
1691 | EV_FREQUENT_CHECK; |
1632 | } |
1692 | } |
1633 | } |
1693 | } |
1634 | |
|
|
1635 | EV_FREQUENT_CHECK; |
|
|
1636 | } |
1694 | } |
1637 | |
1695 | |
1638 | #if EV_IDLE_ENABLE |
1696 | #if EV_IDLE_ENABLE |
1639 | void inline_size |
1697 | void inline_size |
1640 | idle_reify (EV_P) |
1698 | idle_reify (EV_P) |
… | |
… | |
1692 | #if EV_PERIODIC_ENABLE |
1750 | #if EV_PERIODIC_ENABLE |
1693 | void inline_size |
1751 | void inline_size |
1694 | periodics_reify (EV_P) |
1752 | periodics_reify (EV_P) |
1695 | { |
1753 | { |
1696 | EV_FREQUENT_CHECK; |
1754 | EV_FREQUENT_CHECK; |
|
|
1755 | |
1697 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1756 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1698 | { |
1757 | { |
1699 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1758 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
1700 | |
1759 | |
1701 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1760 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
1707 | |
1766 | |
1708 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1767 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
1709 | |
1768 | |
1710 | ANHE_at_cache (periodics [HEAP0]); |
1769 | ANHE_at_cache (periodics [HEAP0]); |
1711 | downheap (periodics, periodiccnt, HEAP0); |
1770 | downheap (periodics, periodiccnt, HEAP0); |
1712 | EV_FREQUENT_CHECK; |
|
|
1713 | } |
1771 | } |
1714 | else if (w->interval) |
1772 | else if (w->interval) |
1715 | { |
1773 | { |
1716 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1774 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1717 | /* if next trigger time is not sufficiently in the future, put it there */ |
1775 | /* if next trigger time is not sufficiently in the future, put it there */ |
… | |
… | |
1842 | ev_unref (EV_P) |
1900 | ev_unref (EV_P) |
1843 | { |
1901 | { |
1844 | --activecnt; |
1902 | --activecnt; |
1845 | } |
1903 | } |
1846 | |
1904 | |
|
|
1905 | void |
|
|
1906 | ev_now_update (EV_P) |
|
|
1907 | { |
|
|
1908 | time_update (EV_A_ 1e100); |
|
|
1909 | } |
|
|
1910 | |
1847 | static int loop_done; |
1911 | static int loop_done; |
1848 | |
1912 | |
1849 | void |
1913 | void |
1850 | ev_loop (EV_P_ int flags) |
1914 | ev_loop (EV_P_ int flags) |
1851 | { |
1915 | { |
… | |
… | |
1853 | |
1917 | |
1854 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1918 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1855 | |
1919 | |
1856 | do |
1920 | do |
1857 | { |
1921 | { |
|
|
1922 | #if EV_VERIFY >= 2 |
|
|
1923 | ev_loop_verify (EV_A); |
|
|
1924 | #endif |
|
|
1925 | |
1858 | #ifndef _WIN32 |
1926 | #ifndef _WIN32 |
1859 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1927 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1860 | if (expect_false (getpid () != curpid)) |
1928 | if (expect_false (getpid () != curpid)) |
1861 | { |
1929 | { |
1862 | curpid = getpid (); |
1930 | curpid = getpid (); |
… | |
… | |
2056 | |
2124 | |
2057 | if (expect_false (ev_is_active (w))) |
2125 | if (expect_false (ev_is_active (w))) |
2058 | return; |
2126 | return; |
2059 | |
2127 | |
2060 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2128 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2129 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
2061 | |
2130 | |
2062 | EV_FREQUENT_CHECK; |
2131 | EV_FREQUENT_CHECK; |
2063 | |
2132 | |
2064 | ev_start (EV_A_ (W)w, 1); |
2133 | ev_start (EV_A_ (W)w, 1); |
2065 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2134 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2066 | wlist_add (&anfds[fd].head, (WL)w); |
2135 | wlist_add (&anfds[fd].head, (WL)w); |
2067 | |
2136 | |
2068 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2137 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2069 | w->events &= ~EV_IOFDSET; |
2138 | w->events &= ~EV_IOFDSET; |
2070 | |
2139 | |
… | |
… | |
2262 | sigset_t full, prev; |
2331 | sigset_t full, prev; |
2263 | sigfillset (&full); |
2332 | sigfillset (&full); |
2264 | sigprocmask (SIG_SETMASK, &full, &prev); |
2333 | sigprocmask (SIG_SETMASK, &full, &prev); |
2265 | #endif |
2334 | #endif |
2266 | |
2335 | |
2267 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2336 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2268 | |
2337 | |
2269 | #ifndef _WIN32 |
2338 | #ifndef _WIN32 |
2270 | sigprocmask (SIG_SETMASK, &prev, 0); |
2339 | sigprocmask (SIG_SETMASK, &prev, 0); |
2271 | #endif |
2340 | #endif |
2272 | } |
2341 | } |
… | |
… | |
2414 | |
2483 | |
2415 | static void noinline |
2484 | static void noinline |
2416 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2485 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2417 | { |
2486 | { |
2418 | if (slot < 0) |
2487 | if (slot < 0) |
2419 | /* overflow, need to check for all hahs slots */ |
2488 | /* overflow, need to check for all hash slots */ |
2420 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2489 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2421 | infy_wd (EV_A_ slot, wd, ev); |
2490 | infy_wd (EV_A_ slot, wd, ev); |
2422 | else |
2491 | else |
2423 | { |
2492 | { |
2424 | WL w_; |
2493 | WL w_; |
… | |
… | |
2458 | infy_init (EV_P) |
2527 | infy_init (EV_P) |
2459 | { |
2528 | { |
2460 | if (fs_fd != -2) |
2529 | if (fs_fd != -2) |
2461 | return; |
2530 | return; |
2462 | |
2531 | |
|
|
2532 | /* kernels < 2.6.25 are borked |
|
|
2533 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2534 | */ |
|
|
2535 | { |
|
|
2536 | struct utsname buf; |
|
|
2537 | int major, minor, micro; |
|
|
2538 | |
|
|
2539 | fs_fd = -1; |
|
|
2540 | |
|
|
2541 | if (uname (&buf)) |
|
|
2542 | return; |
|
|
2543 | |
|
|
2544 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2545 | return; |
|
|
2546 | |
|
|
2547 | if (major < 2 |
|
|
2548 | || (major == 2 && minor < 6) |
|
|
2549 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2550 | return; |
|
|
2551 | } |
|
|
2552 | |
2463 | fs_fd = inotify_init (); |
2553 | fs_fd = inotify_init (); |
2464 | |
2554 | |
2465 | if (fs_fd >= 0) |
2555 | if (fs_fd >= 0) |
2466 | { |
2556 | { |
2467 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2557 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
2496 | if (fs_fd >= 0) |
2586 | if (fs_fd >= 0) |
2497 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2587 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2498 | else |
2588 | else |
2499 | ev_timer_start (EV_A_ &w->timer); |
2589 | ev_timer_start (EV_A_ &w->timer); |
2500 | } |
2590 | } |
2501 | |
|
|
2502 | } |
2591 | } |
2503 | } |
2592 | } |
2504 | |
2593 | |
|
|
2594 | #endif |
|
|
2595 | |
|
|
2596 | #ifdef _WIN32 |
|
|
2597 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2598 | #else |
|
|
2599 | # define EV_LSTAT(p,b) lstat (p, b) |
2505 | #endif |
2600 | #endif |
2506 | |
2601 | |
2507 | void |
2602 | void |
2508 | ev_stat_stat (EV_P_ ev_stat *w) |
2603 | ev_stat_stat (EV_P_ ev_stat *w) |
2509 | { |
2604 | { |
… | |
… | |
2536 | || w->prev.st_atime != w->attr.st_atime |
2631 | || w->prev.st_atime != w->attr.st_atime |
2537 | || w->prev.st_mtime != w->attr.st_mtime |
2632 | || w->prev.st_mtime != w->attr.st_mtime |
2538 | || w->prev.st_ctime != w->attr.st_ctime |
2633 | || w->prev.st_ctime != w->attr.st_ctime |
2539 | ) { |
2634 | ) { |
2540 | #if EV_USE_INOTIFY |
2635 | #if EV_USE_INOTIFY |
|
|
2636 | if (fs_fd >= 0) |
|
|
2637 | { |
2541 | infy_del (EV_A_ w); |
2638 | infy_del (EV_A_ w); |
2542 | infy_add (EV_A_ w); |
2639 | infy_add (EV_A_ w); |
2543 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2640 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2641 | } |
2544 | #endif |
2642 | #endif |
2545 | |
2643 | |
2546 | ev_feed_event (EV_A_ w, EV_STAT); |
2644 | ev_feed_event (EV_A_ w, EV_STAT); |
2547 | } |
2645 | } |
2548 | } |
2646 | } |
… | |
… | |
2750 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2848 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
2751 | } |
2849 | } |
2752 | } |
2850 | } |
2753 | } |
2851 | } |
2754 | |
2852 | |
|
|
2853 | static void |
|
|
2854 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2855 | { |
|
|
2856 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2857 | |
|
|
2858 | { |
|
|
2859 | struct ev_loop *loop = w->other; |
|
|
2860 | |
|
|
2861 | ev_loop_fork (EV_A); |
|
|
2862 | } |
|
|
2863 | } |
|
|
2864 | |
2755 | #if 0 |
2865 | #if 0 |
2756 | static void |
2866 | static void |
2757 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2867 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
2758 | { |
2868 | { |
2759 | ev_idle_stop (EV_A_ idle); |
2869 | ev_idle_stop (EV_A_ idle); |
… | |
… | |
2779 | |
2889 | |
2780 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2890 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2781 | ev_set_priority (&w->prepare, EV_MINPRI); |
2891 | ev_set_priority (&w->prepare, EV_MINPRI); |
2782 | ev_prepare_start (EV_A_ &w->prepare); |
2892 | ev_prepare_start (EV_A_ &w->prepare); |
2783 | |
2893 | |
|
|
2894 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2895 | ev_fork_start (EV_A_ &w->fork); |
|
|
2896 | |
2784 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2897 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
2785 | |
2898 | |
2786 | ev_start (EV_A_ (W)w, 1); |
2899 | ev_start (EV_A_ (W)w, 1); |
2787 | |
2900 | |
2788 | EV_FREQUENT_CHECK; |
2901 | EV_FREQUENT_CHECK; |
… | |
… | |
2795 | if (expect_false (!ev_is_active (w))) |
2908 | if (expect_false (!ev_is_active (w))) |
2796 | return; |
2909 | return; |
2797 | |
2910 | |
2798 | EV_FREQUENT_CHECK; |
2911 | EV_FREQUENT_CHECK; |
2799 | |
2912 | |
2800 | ev_io_stop (EV_A_ &w->io); |
2913 | ev_io_stop (EV_A_ &w->io); |
2801 | ev_prepare_stop (EV_A_ &w->prepare); |
2914 | ev_prepare_stop (EV_A_ &w->prepare); |
2802 | |
2915 | ev_fork_stop (EV_A_ &w->fork); |
2803 | ev_stop (EV_A_ (W)w); |
|
|
2804 | |
2916 | |
2805 | EV_FREQUENT_CHECK; |
2917 | EV_FREQUENT_CHECK; |
2806 | } |
2918 | } |
2807 | #endif |
2919 | #endif |
2808 | |
2920 | |
… | |
… | |
2905 | once_cb (EV_P_ struct ev_once *once, int revents) |
3017 | once_cb (EV_P_ struct ev_once *once, int revents) |
2906 | { |
3018 | { |
2907 | void (*cb)(int revents, void *arg) = once->cb; |
3019 | void (*cb)(int revents, void *arg) = once->cb; |
2908 | void *arg = once->arg; |
3020 | void *arg = once->arg; |
2909 | |
3021 | |
2910 | ev_io_stop (EV_A_ &once->io); |
3022 | ev_io_stop (EV_A_ &once->io); |
2911 | ev_timer_stop (EV_A_ &once->to); |
3023 | ev_timer_stop (EV_A_ &once->to); |
2912 | ev_free (once); |
3024 | ev_free (once); |
2913 | |
3025 | |
2914 | cb (revents, arg); |
3026 | cb (revents, arg); |
2915 | } |
3027 | } |
2916 | |
3028 | |
2917 | static void |
3029 | static void |
2918 | once_cb_io (EV_P_ ev_io *w, int revents) |
3030 | once_cb_io (EV_P_ ev_io *w, int revents) |
2919 | { |
3031 | { |
2920 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3032 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3033 | |
|
|
3034 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2921 | } |
3035 | } |
2922 | |
3036 | |
2923 | static void |
3037 | static void |
2924 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3038 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2925 | { |
3039 | { |
2926 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3040 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3041 | |
|
|
3042 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2927 | } |
3043 | } |
2928 | |
3044 | |
2929 | void |
3045 | void |
2930 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3046 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2931 | { |
3047 | { |