… | |
… | |
35 | * and other provisions required by the GPL. If you do not delete the |
35 | * and other provisions required by the GPL. If you do not delete the |
36 | * provisions above, a recipient may use your version of this file under |
36 | * provisions above, a recipient may use your version of this file under |
37 | * either the BSD or the GPL. |
37 | * either the BSD or the GPL. |
38 | */ |
38 | */ |
39 | |
39 | |
40 | #ifdef __cplusplus |
|
|
41 | extern "C" { |
|
|
42 | #endif |
|
|
43 | |
|
|
44 | /* this big block deduces configuration from config.h */ |
40 | /* this big block deduces configuration from config.h */ |
45 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
46 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
47 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
48 | # else |
44 | # else |
… | |
… | |
182 | # include EV_H |
178 | # include EV_H |
183 | #else |
179 | #else |
184 | # include "ev.h" |
180 | # include "ev.h" |
185 | #endif |
181 | #endif |
186 | |
182 | |
|
|
183 | EV_CPP(extern "C" {) |
|
|
184 | |
187 | #ifndef _WIN32 |
185 | #ifndef _WIN32 |
188 | # include <sys/time.h> |
186 | # include <sys/time.h> |
189 | # include <sys/wait.h> |
187 | # include <sys/wait.h> |
190 | # include <unistd.h> |
188 | # include <unistd.h> |
191 | #else |
189 | #else |
… | |
… | |
195 | # ifndef EV_SELECT_IS_WINSOCKET |
193 | # ifndef EV_SELECT_IS_WINSOCKET |
196 | # define EV_SELECT_IS_WINSOCKET 1 |
194 | # define EV_SELECT_IS_WINSOCKET 1 |
197 | # endif |
195 | # endif |
198 | # undef EV_AVOID_STDIO |
196 | # undef EV_AVOID_STDIO |
199 | #endif |
197 | #endif |
|
|
198 | |
|
|
199 | /* OS X, in its infinite idiocy, actually HARDCODES |
|
|
200 | * a limit of 1024 into their select. Where people have brains, |
|
|
201 | * OS X engineers apparently have a vacuum. Or maybe they were |
|
|
202 | * ordered to have a vacuum, or they do anything for money. |
|
|
203 | * This might help. Or not. |
|
|
204 | */ |
|
|
205 | #define _DARWIN_UNLIMITED_SELECT 1 |
200 | |
206 | |
201 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
207 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
202 | |
208 | |
203 | /* try to deduce the maximum number of signals on this platform */ |
209 | /* try to deduce the maximum number of signals on this platform */ |
204 | #if defined (EV_NSIG) |
210 | #if defined (EV_NSIG) |
… | |
… | |
376 | # include <sys/select.h> |
382 | # include <sys/select.h> |
377 | # endif |
383 | # endif |
378 | #endif |
384 | #endif |
379 | |
385 | |
380 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
381 | # include <sys/utsname.h> |
|
|
382 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
383 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
384 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
389 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
385 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
386 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
403 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
404 | # else |
409 | # else |
405 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
406 | # endif |
411 | # endif |
407 | # endif |
412 | # endif |
408 | # ifdef __cplusplus |
|
|
409 | extern "C" { |
|
|
410 | # endif |
|
|
411 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
412 | # ifdef __cplusplus |
|
|
413 | } |
|
|
414 | # endif |
|
|
415 | #endif |
414 | #endif |
416 | |
415 | |
417 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
419 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
425 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
426 | # else |
425 | # else |
427 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
428 | # endif |
427 | # endif |
429 | # endif |
428 | # endif |
430 | # ifdef __cplusplus |
|
|
431 | extern "C" { |
|
|
432 | # endif |
|
|
433 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
434 | |
430 | |
435 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
436 | { |
432 | { |
437 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
438 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
439 | }; |
435 | }; |
440 | # ifdef __cplusplus |
|
|
441 | } |
|
|
442 | # endif |
436 | #endif |
443 | #endif |
|
|
444 | |
|
|
445 | |
437 | |
446 | /**/ |
438 | /**/ |
447 | |
439 | |
448 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
449 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
… | |
… | |
462 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
463 | |
455 | |
464 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
456 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
465 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
466 | |
458 | |
|
|
459 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
460 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
461 | |
467 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
468 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
469 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
470 | #else |
465 | #else |
471 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
503 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
504 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
505 | |
500 | |
506 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
507 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
502 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
508 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
509 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
510 | #endif |
505 | #endif |
511 | |
506 | |
512 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
513 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
524 | #endif |
519 | #endif |
525 | |
520 | |
526 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
527 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
528 | #endif |
523 | #endif |
|
|
524 | |
|
|
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | unsigned int v = 0; |
|
|
536 | struct utsname buf; |
|
|
537 | int i; |
|
|
538 | char *p = buf.release; |
|
|
539 | |
|
|
540 | if (uname (&buf)) |
|
|
541 | return 0; |
|
|
542 | |
|
|
543 | for (i = 3+1; --i; ) |
|
|
544 | { |
|
|
545 | unsigned int c = 0; |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | if (*p >= '0' && *p <= '9') |
|
|
550 | c = c * 10 + *p++ - '0'; |
|
|
551 | else |
|
|
552 | { |
|
|
553 | p += *p == '.'; |
|
|
554 | break; |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | v = (v << 8) | c; |
|
|
559 | } |
|
|
560 | |
|
|
561 | return v; |
|
|
562 | #else |
|
|
563 | return 0; |
|
|
564 | #endif |
|
|
565 | } |
529 | |
566 | |
530 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
531 | |
568 | |
532 | #if EV_AVOID_STDIO |
569 | #if EV_AVOID_STDIO |
533 | static void noinline |
570 | static void noinline |
… | |
… | |
631 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
668 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
632 | unsigned char unused; |
669 | unsigned char unused; |
633 | #if EV_USE_EPOLL |
670 | #if EV_USE_EPOLL |
634 | unsigned int egen; /* generation counter to counter epoll bugs */ |
671 | unsigned int egen; /* generation counter to counter epoll bugs */ |
635 | #endif |
672 | #endif |
636 | #if EV_SELECT_IS_WINSOCKET |
673 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
637 | SOCKET handle; |
674 | SOCKET handle; |
|
|
675 | #endif |
|
|
676 | #if EV_USE_IOCP |
|
|
677 | OVERLAPPED or, ow; |
638 | #endif |
678 | #endif |
639 | } ANFD; |
679 | } ANFD; |
640 | |
680 | |
641 | /* stores the pending event set for a given watcher */ |
681 | /* stores the pending event set for a given watcher */ |
642 | typedef struct |
682 | typedef struct |
… | |
… | |
707 | # define EV_RELEASE_CB (void)0 |
747 | # define EV_RELEASE_CB (void)0 |
708 | # define EV_ACQUIRE_CB (void)0 |
748 | # define EV_ACQUIRE_CB (void)0 |
709 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
749 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
710 | #endif |
750 | #endif |
711 | |
751 | |
712 | #define EVUNLOOP_RECURSE 0x80 |
752 | #define EVBREAK_RECURSE 0x80 |
713 | |
753 | |
714 | /*****************************************************************************/ |
754 | /*****************************************************************************/ |
715 | |
755 | |
716 | #ifndef EV_HAVE_EV_TIME |
756 | #ifndef EV_HAVE_EV_TIME |
717 | ev_tstamp |
757 | ev_tstamp |
… | |
… | |
761 | if (delay > 0.) |
801 | if (delay > 0.) |
762 | { |
802 | { |
763 | #if EV_USE_NANOSLEEP |
803 | #if EV_USE_NANOSLEEP |
764 | struct timespec ts; |
804 | struct timespec ts; |
765 | |
805 | |
766 | ts.tv_sec = (time_t)delay; |
806 | EV_TS_SET (ts, delay); |
767 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
768 | |
|
|
769 | nanosleep (&ts, 0); |
807 | nanosleep (&ts, 0); |
770 | #elif defined(_WIN32) |
808 | #elif defined(_WIN32) |
771 | Sleep ((unsigned long)(delay * 1e3)); |
809 | Sleep ((unsigned long)(delay * 1e3)); |
772 | #else |
810 | #else |
773 | struct timeval tv; |
811 | struct timeval tv; |
774 | |
812 | |
775 | tv.tv_sec = (time_t)delay; |
|
|
776 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
777 | |
|
|
778 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
813 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
779 | /* something not guaranteed by newer posix versions, but guaranteed */ |
814 | /* something not guaranteed by newer posix versions, but guaranteed */ |
780 | /* by older ones */ |
815 | /* by older ones */ |
|
|
816 | EV_TV_SET (tv, delay); |
781 | select (0, 0, 0, 0, &tv); |
817 | select (0, 0, 0, 0, &tv); |
782 | #endif |
818 | #endif |
783 | } |
819 | } |
784 | } |
820 | } |
785 | |
821 | |
786 | /*****************************************************************************/ |
822 | /*****************************************************************************/ |
787 | |
823 | |
788 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
824 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
789 | |
825 | |
790 | /* find a suitable new size for the given array, */ |
826 | /* find a suitable new size for the given array, */ |
791 | /* hopefully by rounding to a ncie-to-malloc size */ |
827 | /* hopefully by rounding to a nice-to-malloc size */ |
792 | inline_size int |
828 | inline_size int |
793 | array_nextsize (int elem, int cur, int cnt) |
829 | array_nextsize (int elem, int cur, int cnt) |
794 | { |
830 | { |
795 | int ncur = cur + 1; |
831 | int ncur = cur + 1; |
796 | |
832 | |
… | |
… | |
937 | { |
973 | { |
938 | int fd = fdchanges [i]; |
974 | int fd = fdchanges [i]; |
939 | ANFD *anfd = anfds + fd; |
975 | ANFD *anfd = anfds + fd; |
940 | ev_io *w; |
976 | ev_io *w; |
941 | |
977 | |
942 | unsigned char events = 0; |
978 | unsigned char o_events = anfd->events; |
|
|
979 | unsigned char o_reify = anfd->reify; |
943 | |
980 | |
944 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
981 | anfd->reify = 0; |
945 | events |= (unsigned char)w->events; |
|
|
946 | |
982 | |
947 | #if EV_SELECT_IS_WINSOCKET |
983 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
948 | if (events) |
984 | if (o_reify & EV__IOFDSET) |
949 | { |
985 | { |
950 | unsigned long arg; |
986 | unsigned long arg; |
951 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
987 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
952 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
988 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
|
|
989 | printf ("oi %d %x\n", fd, anfd->handle);//D |
953 | } |
990 | } |
954 | #endif |
991 | #endif |
955 | |
992 | |
|
|
993 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
956 | { |
994 | { |
957 | unsigned char o_events = anfd->events; |
|
|
958 | unsigned char o_reify = anfd->reify; |
|
|
959 | |
|
|
960 | anfd->reify = 0; |
|
|
961 | anfd->events = events; |
995 | anfd->events = 0; |
962 | |
996 | |
963 | if (o_events != events || o_reify & EV__IOFDSET) |
997 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
998 | anfd->events |= (unsigned char)w->events; |
|
|
999 | |
|
|
1000 | if (o_events != anfd->events) |
|
|
1001 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | if (o_reify & EV__IOFDSET) |
964 | backend_modify (EV_A_ fd, o_events, events); |
1005 | backend_modify (EV_A_ fd, o_events, anfd->events); |
965 | } |
|
|
966 | } |
1006 | } |
967 | |
1007 | |
968 | fdchangecnt = 0; |
1008 | fdchangecnt = 0; |
969 | } |
1009 | } |
970 | |
1010 | |
… | |
… | |
1063 | } |
1103 | } |
1064 | |
1104 | |
1065 | /*****************************************************************************/ |
1105 | /*****************************************************************************/ |
1066 | |
1106 | |
1067 | /* |
1107 | /* |
1068 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1108 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1069 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1109 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1070 | * the branching factor of the d-tree. |
1110 | * the branching factor of the d-tree. |
1071 | */ |
1111 | */ |
1072 | |
1112 | |
1073 | /* |
1113 | /* |
… | |
… | |
1273 | uint64_t counter = 1; |
1313 | uint64_t counter = 1; |
1274 | write (evfd, &counter, sizeof (uint64_t)); |
1314 | write (evfd, &counter, sizeof (uint64_t)); |
1275 | } |
1315 | } |
1276 | else |
1316 | else |
1277 | #endif |
1317 | #endif |
|
|
1318 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1319 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1320 | /* so when you think this write should be a send instead, please find out */ |
|
|
1321 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1322 | /* tell me. thank you. */ |
1278 | write (evpipe [1], &dummy, 1); |
1323 | write (evpipe [1], &dummy, 1); |
1279 | |
1324 | |
1280 | errno = old_errno; |
1325 | errno = old_errno; |
1281 | } |
1326 | } |
1282 | } |
1327 | } |
… | |
… | |
1296 | } |
1341 | } |
1297 | else |
1342 | else |
1298 | #endif |
1343 | #endif |
1299 | { |
1344 | { |
1300 | char dummy; |
1345 | char dummy; |
|
|
1346 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1301 | read (evpipe [0], &dummy, 1); |
1347 | read (evpipe [0], &dummy, 1); |
1302 | } |
1348 | } |
1303 | |
1349 | |
1304 | if (sig_pending) |
1350 | if (sig_pending) |
1305 | { |
1351 | { |
… | |
… | |
1447 | |
1493 | |
1448 | #endif |
1494 | #endif |
1449 | |
1495 | |
1450 | /*****************************************************************************/ |
1496 | /*****************************************************************************/ |
1451 | |
1497 | |
|
|
1498 | #if EV_USE_IOCP |
|
|
1499 | # include "ev_iocp.c" |
|
|
1500 | #endif |
1452 | #if EV_USE_PORT |
1501 | #if EV_USE_PORT |
1453 | # include "ev_port.c" |
1502 | # include "ev_port.c" |
1454 | #endif |
1503 | #endif |
1455 | #if EV_USE_KQUEUE |
1504 | #if EV_USE_KQUEUE |
1456 | # include "ev_kqueue.c" |
1505 | # include "ev_kqueue.c" |
… | |
… | |
1529 | ev_embeddable_backends (void) |
1578 | ev_embeddable_backends (void) |
1530 | { |
1579 | { |
1531 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1580 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1532 | |
1581 | |
1533 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1582 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1534 | /* please fix it and tell me how to detect the fix */ |
1583 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1535 | flags &= ~EVBACKEND_EPOLL; |
1584 | flags &= ~EVBACKEND_EPOLL; |
1536 | |
1585 | |
1537 | return flags; |
1586 | return flags; |
1538 | } |
1587 | } |
1539 | |
1588 | |
1540 | unsigned int |
1589 | unsigned int |
… | |
… | |
1653 | #endif |
1702 | #endif |
1654 | |
1703 | |
1655 | if (!(flags & 0x0000ffffU)) |
1704 | if (!(flags & 0x0000ffffU)) |
1656 | flags |= ev_recommended_backends (); |
1705 | flags |= ev_recommended_backends (); |
1657 | |
1706 | |
|
|
1707 | #if EV_USE_IOCP |
|
|
1708 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
|
|
1709 | #endif |
1658 | #if EV_USE_PORT |
1710 | #if EV_USE_PORT |
1659 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1711 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1660 | #endif |
1712 | #endif |
1661 | #if EV_USE_KQUEUE |
1713 | #if EV_USE_KQUEUE |
1662 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1714 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
1679 | #endif |
1731 | #endif |
1680 | } |
1732 | } |
1681 | } |
1733 | } |
1682 | |
1734 | |
1683 | /* free up a loop structure */ |
1735 | /* free up a loop structure */ |
1684 | static void noinline |
1736 | void |
1685 | loop_destroy (EV_P) |
1737 | ev_loop_destroy (EV_P) |
1686 | { |
1738 | { |
1687 | int i; |
1739 | int i; |
|
|
1740 | |
|
|
1741 | #if EV_CHILD_ENABLE |
|
|
1742 | if (ev_is_active (&childev)) |
|
|
1743 | { |
|
|
1744 | ev_ref (EV_A); /* child watcher */ |
|
|
1745 | ev_signal_stop (EV_A_ &childev); |
|
|
1746 | } |
|
|
1747 | #endif |
1688 | |
1748 | |
1689 | if (ev_is_active (&pipe_w)) |
1749 | if (ev_is_active (&pipe_w)) |
1690 | { |
1750 | { |
1691 | /*ev_ref (EV_A);*/ |
1751 | /*ev_ref (EV_A);*/ |
1692 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1752 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
… | |
… | |
1714 | #endif |
1774 | #endif |
1715 | |
1775 | |
1716 | if (backend_fd >= 0) |
1776 | if (backend_fd >= 0) |
1717 | close (backend_fd); |
1777 | close (backend_fd); |
1718 | |
1778 | |
|
|
1779 | #if EV_USE_IOCP |
|
|
1780 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
1781 | #endif |
1719 | #if EV_USE_PORT |
1782 | #if EV_USE_PORT |
1720 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1783 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1721 | #endif |
1784 | #endif |
1722 | #if EV_USE_KQUEUE |
1785 | #if EV_USE_KQUEUE |
1723 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
1786 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1757 | #if EV_ASYNC_ENABLE |
1820 | #if EV_ASYNC_ENABLE |
1758 | array_free (async, EMPTY); |
1821 | array_free (async, EMPTY); |
1759 | #endif |
1822 | #endif |
1760 | |
1823 | |
1761 | backend = 0; |
1824 | backend = 0; |
|
|
1825 | |
|
|
1826 | #if EV_MULTIPLICITY |
|
|
1827 | if (ev_is_default_loop (EV_A)) |
|
|
1828 | #endif |
|
|
1829 | ev_default_loop_ptr = 0; |
|
|
1830 | #if EV_MULTIPLICITY |
|
|
1831 | else |
|
|
1832 | ev_free (EV_A); |
|
|
1833 | #endif |
1762 | } |
1834 | } |
1763 | |
1835 | |
1764 | #if EV_USE_INOTIFY |
1836 | #if EV_USE_INOTIFY |
1765 | inline_size void infy_fork (EV_P); |
1837 | inline_size void infy_fork (EV_P); |
1766 | #endif |
1838 | #endif |
… | |
… | |
1825 | loop_init (EV_A_ flags); |
1897 | loop_init (EV_A_ flags); |
1826 | |
1898 | |
1827 | if (ev_backend (EV_A)) |
1899 | if (ev_backend (EV_A)) |
1828 | return EV_A; |
1900 | return EV_A; |
1829 | |
1901 | |
|
|
1902 | ev_free (EV_A); |
1830 | return 0; |
1903 | return 0; |
1831 | } |
1904 | } |
1832 | |
1905 | |
1833 | void |
|
|
1834 | ev_loop_destroy (EV_P) |
|
|
1835 | { |
|
|
1836 | loop_destroy (EV_A); |
|
|
1837 | ev_free (loop); |
|
|
1838 | } |
|
|
1839 | |
|
|
1840 | void |
|
|
1841 | ev_loop_fork (EV_P) |
|
|
1842 | { |
|
|
1843 | postfork = 1; /* must be in line with ev_default_fork */ |
|
|
1844 | } |
|
|
1845 | #endif /* multiplicity */ |
1906 | #endif /* multiplicity */ |
1846 | |
1907 | |
1847 | #if EV_VERIFY |
1908 | #if EV_VERIFY |
1848 | static void noinline |
1909 | static void noinline |
1849 | verify_watcher (EV_P_ W w) |
1910 | verify_watcher (EV_P_ W w) |
… | |
… | |
1951 | } |
2012 | } |
1952 | #endif |
2013 | #endif |
1953 | |
2014 | |
1954 | #if EV_MULTIPLICITY |
2015 | #if EV_MULTIPLICITY |
1955 | struct ev_loop * |
2016 | struct ev_loop * |
1956 | ev_default_loop_init (unsigned int flags) |
|
|
1957 | #else |
2017 | #else |
1958 | int |
2018 | int |
|
|
2019 | #endif |
1959 | ev_default_loop (unsigned int flags) |
2020 | ev_default_loop (unsigned int flags) |
1960 | #endif |
|
|
1961 | { |
2021 | { |
1962 | if (!ev_default_loop_ptr) |
2022 | if (!ev_default_loop_ptr) |
1963 | { |
2023 | { |
1964 | #if EV_MULTIPLICITY |
2024 | #if EV_MULTIPLICITY |
1965 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2025 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
1984 | |
2044 | |
1985 | return ev_default_loop_ptr; |
2045 | return ev_default_loop_ptr; |
1986 | } |
2046 | } |
1987 | |
2047 | |
1988 | void |
2048 | void |
1989 | ev_default_destroy (void) |
2049 | ev_loop_fork (EV_P) |
1990 | { |
2050 | { |
1991 | #if EV_MULTIPLICITY |
|
|
1992 | EV_P = ev_default_loop_ptr; |
|
|
1993 | #endif |
|
|
1994 | |
|
|
1995 | ev_default_loop_ptr = 0; |
|
|
1996 | |
|
|
1997 | #if EV_CHILD_ENABLE |
|
|
1998 | ev_ref (EV_A); /* child watcher */ |
|
|
1999 | ev_signal_stop (EV_A_ &childev); |
|
|
2000 | #endif |
|
|
2001 | |
|
|
2002 | loop_destroy (EV_A); |
|
|
2003 | } |
|
|
2004 | |
|
|
2005 | void |
|
|
2006 | ev_default_fork (void) |
|
|
2007 | { |
|
|
2008 | #if EV_MULTIPLICITY |
|
|
2009 | EV_P = ev_default_loop_ptr; |
|
|
2010 | #endif |
|
|
2011 | |
|
|
2012 | postfork = 1; /* must be in line with ev_loop_fork */ |
2051 | postfork = 1; /* must be in line with ev_default_fork */ |
2013 | } |
2052 | } |
2014 | |
2053 | |
2015 | /*****************************************************************************/ |
2054 | /*****************************************************************************/ |
2016 | |
2055 | |
2017 | void |
2056 | void |
… | |
… | |
2171 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2210 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2172 | } |
2211 | } |
2173 | } |
2212 | } |
2174 | |
2213 | |
2175 | /* simply recalculate all periodics */ |
2214 | /* simply recalculate all periodics */ |
2176 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2215 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2177 | static void noinline |
2216 | static void noinline |
2178 | periodics_reschedule (EV_P) |
2217 | periodics_reschedule (EV_P) |
2179 | { |
2218 | { |
2180 | int i; |
2219 | int i; |
2181 | |
2220 | |
… | |
… | |
2277 | mn_now = ev_rt_now; |
2316 | mn_now = ev_rt_now; |
2278 | } |
2317 | } |
2279 | } |
2318 | } |
2280 | |
2319 | |
2281 | void |
2320 | void |
2282 | ev_loop (EV_P_ int flags) |
2321 | ev_run (EV_P_ int flags) |
2283 | { |
2322 | { |
2284 | #if EV_FEATURE_API |
2323 | #if EV_FEATURE_API |
2285 | ++loop_depth; |
2324 | ++loop_depth; |
2286 | #endif |
2325 | #endif |
2287 | |
2326 | |
2288 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2327 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2289 | |
2328 | |
2290 | loop_done = EVUNLOOP_CANCEL; |
2329 | loop_done = EVBREAK_CANCEL; |
2291 | |
2330 | |
2292 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2331 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2293 | |
2332 | |
2294 | do |
2333 | do |
2295 | { |
2334 | { |
… | |
… | |
2338 | /* calculate blocking time */ |
2377 | /* calculate blocking time */ |
2339 | { |
2378 | { |
2340 | ev_tstamp waittime = 0.; |
2379 | ev_tstamp waittime = 0.; |
2341 | ev_tstamp sleeptime = 0.; |
2380 | ev_tstamp sleeptime = 0.; |
2342 | |
2381 | |
|
|
2382 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2383 | ev_tstamp prev_mn_now = mn_now; |
|
|
2384 | |
|
|
2385 | /* update time to cancel out callback processing overhead */ |
|
|
2386 | time_update (EV_A_ 1e100); |
|
|
2387 | |
2343 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2388 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2344 | { |
2389 | { |
2345 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2346 | ev_tstamp prev_mn_now = mn_now; |
|
|
2347 | |
|
|
2348 | /* update time to cancel out callback processing overhead */ |
|
|
2349 | time_update (EV_A_ 1e100); |
|
|
2350 | |
|
|
2351 | waittime = MAX_BLOCKTIME; |
2390 | waittime = MAX_BLOCKTIME; |
2352 | |
2391 | |
2353 | if (timercnt) |
2392 | if (timercnt) |
2354 | { |
2393 | { |
2355 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2394 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2385 | } |
2424 | } |
2386 | |
2425 | |
2387 | #if EV_FEATURE_API |
2426 | #if EV_FEATURE_API |
2388 | ++loop_count; |
2427 | ++loop_count; |
2389 | #endif |
2428 | #endif |
2390 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2429 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2391 | backend_poll (EV_A_ waittime); |
2430 | backend_poll (EV_A_ waittime); |
2392 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2431 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2393 | |
2432 | |
2394 | /* update ev_rt_now, do magic */ |
2433 | /* update ev_rt_now, do magic */ |
2395 | time_update (EV_A_ waittime + sleeptime); |
2434 | time_update (EV_A_ waittime + sleeptime); |
2396 | } |
2435 | } |
2397 | |
2436 | |
… | |
… | |
2415 | EV_INVOKE_PENDING; |
2454 | EV_INVOKE_PENDING; |
2416 | } |
2455 | } |
2417 | while (expect_true ( |
2456 | while (expect_true ( |
2418 | activecnt |
2457 | activecnt |
2419 | && !loop_done |
2458 | && !loop_done |
2420 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2459 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2421 | )); |
2460 | )); |
2422 | |
2461 | |
2423 | if (loop_done == EVUNLOOP_ONE) |
2462 | if (loop_done == EVBREAK_ONE) |
2424 | loop_done = EVUNLOOP_CANCEL; |
2463 | loop_done = EVBREAK_CANCEL; |
2425 | |
2464 | |
2426 | #if EV_FEATURE_API |
2465 | #if EV_FEATURE_API |
2427 | --loop_depth; |
2466 | --loop_depth; |
2428 | #endif |
2467 | #endif |
2429 | } |
2468 | } |
2430 | |
2469 | |
2431 | void |
2470 | void |
2432 | ev_unloop (EV_P_ int how) |
2471 | ev_break (EV_P_ int how) |
2433 | { |
2472 | { |
2434 | loop_done = how; |
2473 | loop_done = how; |
2435 | } |
2474 | } |
2436 | |
2475 | |
2437 | void |
2476 | void |
… | |
… | |
2585 | EV_FREQUENT_CHECK; |
2624 | EV_FREQUENT_CHECK; |
2586 | |
2625 | |
2587 | wlist_del (&anfds[w->fd].head, (WL)w); |
2626 | wlist_del (&anfds[w->fd].head, (WL)w); |
2588 | ev_stop (EV_A_ (W)w); |
2627 | ev_stop (EV_A_ (W)w); |
2589 | |
2628 | |
2590 | fd_change (EV_A_ w->fd, 1); |
2629 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2591 | |
2630 | |
2592 | EV_FREQUENT_CHECK; |
2631 | EV_FREQUENT_CHECK; |
2593 | } |
2632 | } |
2594 | |
2633 | |
2595 | void noinline |
2634 | void noinline |
… | |
… | |
3047 | { |
3086 | { |
3048 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3087 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3049 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3088 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3050 | ofs += sizeof (struct inotify_event) + ev->len; |
3089 | ofs += sizeof (struct inotify_event) + ev->len; |
3051 | } |
3090 | } |
3052 | } |
|
|
3053 | |
|
|
3054 | inline_size unsigned int |
|
|
3055 | ev_linux_version (void) |
|
|
3056 | { |
|
|
3057 | struct utsname buf; |
|
|
3058 | unsigned int v; |
|
|
3059 | int i; |
|
|
3060 | char *p = buf.release; |
|
|
3061 | |
|
|
3062 | if (uname (&buf)) |
|
|
3063 | return 0; |
|
|
3064 | |
|
|
3065 | for (i = 3+1; --i; ) |
|
|
3066 | { |
|
|
3067 | unsigned int c = 0; |
|
|
3068 | |
|
|
3069 | for (;;) |
|
|
3070 | { |
|
|
3071 | if (*p >= '0' && *p <= '9') |
|
|
3072 | c = c * 10 + *p++ - '0'; |
|
|
3073 | else |
|
|
3074 | { |
|
|
3075 | p += *p == '.'; |
|
|
3076 | break; |
|
|
3077 | } |
|
|
3078 | } |
|
|
3079 | |
|
|
3080 | v = (v << 8) | c; |
|
|
3081 | } |
|
|
3082 | |
|
|
3083 | return v; |
|
|
3084 | } |
3091 | } |
3085 | |
3092 | |
3086 | inline_size void |
3093 | inline_size void |
3087 | ev_check_2625 (EV_P) |
3094 | ev_check_2625 (EV_P) |
3088 | { |
3095 | { |
… | |
… | |
3412 | |
3419 | |
3413 | #if EV_EMBED_ENABLE |
3420 | #if EV_EMBED_ENABLE |
3414 | void noinline |
3421 | void noinline |
3415 | ev_embed_sweep (EV_P_ ev_embed *w) |
3422 | ev_embed_sweep (EV_P_ ev_embed *w) |
3416 | { |
3423 | { |
3417 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3424 | ev_run (w->other, EVRUN_NOWAIT); |
3418 | } |
3425 | } |
3419 | |
3426 | |
3420 | static void |
3427 | static void |
3421 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3428 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3422 | { |
3429 | { |
3423 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3430 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3424 | |
3431 | |
3425 | if (ev_cb (w)) |
3432 | if (ev_cb (w)) |
3426 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3433 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3427 | else |
3434 | else |
3428 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3435 | ev_run (w->other, EVRUN_NOWAIT); |
3429 | } |
3436 | } |
3430 | |
3437 | |
3431 | static void |
3438 | static void |
3432 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3439 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3433 | { |
3440 | { |
… | |
… | |
3437 | EV_P = w->other; |
3444 | EV_P = w->other; |
3438 | |
3445 | |
3439 | while (fdchangecnt) |
3446 | while (fdchangecnt) |
3440 | { |
3447 | { |
3441 | fd_reify (EV_A); |
3448 | fd_reify (EV_A); |
3442 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3449 | ev_run (EV_A_ EVRUN_NOWAIT); |
3443 | } |
3450 | } |
3444 | } |
3451 | } |
3445 | } |
3452 | } |
3446 | |
3453 | |
3447 | static void |
3454 | static void |
… | |
… | |
3453 | |
3460 | |
3454 | { |
3461 | { |
3455 | EV_P = w->other; |
3462 | EV_P = w->other; |
3456 | |
3463 | |
3457 | ev_loop_fork (EV_A); |
3464 | ev_loop_fork (EV_A); |
3458 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3465 | ev_run (EV_A_ EVRUN_NOWAIT); |
3459 | } |
3466 | } |
3460 | |
3467 | |
3461 | ev_embed_start (EV_A_ w); |
3468 | ev_embed_start (EV_A_ w); |
3462 | } |
3469 | } |
3463 | |
3470 | |
… | |
… | |
3561 | void |
3568 | void |
3562 | ev_async_start (EV_P_ ev_async *w) |
3569 | ev_async_start (EV_P_ ev_async *w) |
3563 | { |
3570 | { |
3564 | if (expect_false (ev_is_active (w))) |
3571 | if (expect_false (ev_is_active (w))) |
3565 | return; |
3572 | return; |
|
|
3573 | |
|
|
3574 | w->sent = 0; |
3566 | |
3575 | |
3567 | evpipe_init (EV_A); |
3576 | evpipe_init (EV_A); |
3568 | |
3577 | |
3569 | EV_FREQUENT_CHECK; |
3578 | EV_FREQUENT_CHECK; |
3570 | |
3579 | |
… | |
… | |
3790 | |
3799 | |
3791 | #if EV_MULTIPLICITY |
3800 | #if EV_MULTIPLICITY |
3792 | #include "ev_wrap.h" |
3801 | #include "ev_wrap.h" |
3793 | #endif |
3802 | #endif |
3794 | |
3803 | |
3795 | #ifdef __cplusplus |
3804 | EV_CPP(}) |
3796 | } |
|
|
3797 | #endif |
|
|
3798 | |
3805 | |