… | |
… | |
57 | # endif |
57 | # endif |
58 | # ifndef EV_USE_MONOTONIC |
58 | # ifndef EV_USE_MONOTONIC |
59 | # define EV_USE_MONOTONIC 1 |
59 | # define EV_USE_MONOTONIC 1 |
60 | # endif |
60 | # endif |
61 | # endif |
61 | # endif |
|
|
62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
|
|
63 | # define EV_USE_CLOCK_SYSCALL 0 |
62 | # endif |
64 | # endif |
63 | |
65 | |
64 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
65 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
66 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
… | |
… | |
131 | # else |
133 | # else |
132 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
133 | # endif |
135 | # endif |
134 | # endif |
136 | # endif |
135 | |
137 | |
|
|
138 | # ifndef EV_USE_SIGNALFD |
|
|
139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
|
|
140 | # define EV_USE_SIGNALFD 1 |
|
|
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
143 | # endif |
|
|
144 | # endif |
|
|
145 | |
136 | # ifndef EV_USE_EVENTFD |
146 | # ifndef EV_USE_EVENTFD |
137 | # if HAVE_EVENTFD |
147 | # if HAVE_EVENTFD |
138 | # define EV_USE_EVENTFD 1 |
148 | # define EV_USE_EVENTFD 1 |
139 | # else |
149 | # else |
140 | # define EV_USE_EVENTFD 0 |
150 | # define EV_USE_EVENTFD 0 |
… | |
… | |
176 | # endif |
186 | # endif |
177 | #endif |
187 | #endif |
178 | |
188 | |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
180 | |
190 | |
|
|
191 | /* try to deduce the maximum number of signals on this platform */ |
|
|
192 | #if defined (EV_NSIG) |
|
|
193 | /* use what's provided */ |
|
|
194 | #elif defined (NSIG) |
|
|
195 | # define EV_NSIG (NSIG) |
|
|
196 | #elif defined(_NSIG) |
|
|
197 | # define EV_NSIG (_NSIG) |
|
|
198 | #elif defined (SIGMAX) |
|
|
199 | # define EV_NSIG (SIGMAX+1) |
|
|
200 | #elif defined (SIG_MAX) |
|
|
201 | # define EV_NSIG (SIG_MAX+1) |
|
|
202 | #elif defined (_SIG_MAX) |
|
|
203 | # define EV_NSIG (_SIG_MAX+1) |
|
|
204 | #elif defined (MAXSIG) |
|
|
205 | # define EV_NSIG (MAXSIG+1) |
|
|
206 | #elif defined (MAX_SIG) |
|
|
207 | # define EV_NSIG (MAX_SIG+1) |
|
|
208 | #elif defined (SIGARRAYSIZE) |
|
|
209 | # define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ |
|
|
210 | #elif defined (_sys_nsig) |
|
|
211 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
|
|
212 | #else |
|
|
213 | # error "unable to find value for NSIG, please report" |
|
|
214 | /* to make it compile regardless, just remove the above line */ |
|
|
215 | # define EV_NSIG 65 |
|
|
216 | #endif |
|
|
217 | |
181 | #ifndef EV_USE_CLOCK_SYSCALL |
218 | #ifndef EV_USE_CLOCK_SYSCALL |
182 | # if __linux && __GLIBC__ >= 2 |
219 | # if __linux && __GLIBC__ >= 2 |
183 | # define EV_USE_CLOCK_SYSCALL 1 |
220 | # define EV_USE_CLOCK_SYSCALL 1 |
184 | # else |
221 | # else |
185 | # define EV_USE_CLOCK_SYSCALL 0 |
222 | # define EV_USE_CLOCK_SYSCALL 0 |
… | |
… | |
264 | # else |
301 | # else |
265 | # define EV_USE_EVENTFD 0 |
302 | # define EV_USE_EVENTFD 0 |
266 | # endif |
303 | # endif |
267 | #endif |
304 | #endif |
268 | |
305 | |
|
|
306 | #ifndef EV_USE_SIGNALFD |
|
|
307 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
|
|
308 | # define EV_USE_SIGNALFD 1 |
|
|
309 | # else |
|
|
310 | # define EV_USE_SIGNALFD 0 |
|
|
311 | # endif |
|
|
312 | #endif |
|
|
313 | |
269 | #if 0 /* debugging */ |
314 | #if 0 /* debugging */ |
270 | # define EV_VERIFY 3 |
315 | # define EV_VERIFY 3 |
271 | # define EV_USE_4HEAP 1 |
316 | # define EV_USE_4HEAP 1 |
272 | # define EV_HEAP_CACHE_AT 1 |
317 | # define EV_HEAP_CACHE_AT 1 |
273 | #endif |
318 | #endif |
… | |
… | |
280 | # define EV_USE_4HEAP !EV_MINIMAL |
325 | # define EV_USE_4HEAP !EV_MINIMAL |
281 | #endif |
326 | #endif |
282 | |
327 | |
283 | #ifndef EV_HEAP_CACHE_AT |
328 | #ifndef EV_HEAP_CACHE_AT |
284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
329 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
|
|
330 | #endif |
|
|
331 | |
|
|
332 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
333 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
334 | #if EV_USE_CLOCK_SYSCALL |
|
|
335 | # include <syscall.h> |
|
|
336 | # ifdef SYS_clock_gettime |
|
|
337 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
338 | # undef EV_USE_MONOTONIC |
|
|
339 | # define EV_USE_MONOTONIC 1 |
|
|
340 | # else |
|
|
341 | # undef EV_USE_CLOCK_SYSCALL |
|
|
342 | # define EV_USE_CLOCK_SYSCALL 0 |
|
|
343 | # endif |
285 | #endif |
344 | #endif |
286 | |
345 | |
287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
346 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
288 | |
347 | |
289 | #ifndef CLOCK_MONOTONIC |
348 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
320 | |
379 | |
321 | #if EV_SELECT_IS_WINSOCKET |
380 | #if EV_SELECT_IS_WINSOCKET |
322 | # include <winsock.h> |
381 | # include <winsock.h> |
323 | #endif |
382 | #endif |
324 | |
383 | |
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
|
|
326 | /* which makes programs even slower. might work on other unices, too. */ |
|
|
327 | #if EV_USE_CLOCK_SYSCALL |
|
|
328 | # include <syscall.h> |
|
|
329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
330 | # undef EV_USE_MONOTONIC |
|
|
331 | # define EV_USE_MONOTONIC 1 |
|
|
332 | #endif |
|
|
333 | |
|
|
334 | #if EV_USE_EVENTFD |
384 | #if EV_USE_EVENTFD |
335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
385 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
336 | # include <stdint.h> |
386 | # include <stdint.h> |
|
|
387 | # ifndef EFD_NONBLOCK |
|
|
388 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
389 | # endif |
|
|
390 | # ifndef EFD_CLOEXEC |
|
|
391 | # ifdef O_CLOEXEC |
|
|
392 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
393 | # else |
|
|
394 | # define EFD_CLOEXEC 02000000 |
|
|
395 | # endif |
|
|
396 | # endif |
337 | # ifdef __cplusplus |
397 | # ifdef __cplusplus |
338 | extern "C" { |
398 | extern "C" { |
339 | # endif |
399 | # endif |
340 | int eventfd (unsigned int initval, int flags); |
400 | int eventfd (unsigned int initval, int flags); |
341 | # ifdef __cplusplus |
401 | # ifdef __cplusplus |
342 | } |
402 | } |
343 | # endif |
403 | # endif |
344 | #endif |
404 | #endif |
|
|
405 | |
|
|
406 | #if EV_USE_SIGNALFD |
|
|
407 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
408 | # include <stdint.h> |
|
|
409 | # ifndef SFD_NONBLOCK |
|
|
410 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
411 | # endif |
|
|
412 | # ifndef SFD_CLOEXEC |
|
|
413 | # ifdef O_CLOEXEC |
|
|
414 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
415 | # else |
|
|
416 | # define SFD_CLOEXEC 02000000 |
|
|
417 | # endif |
|
|
418 | # endif |
|
|
419 | # ifdef __cplusplus |
|
|
420 | extern "C" { |
|
|
421 | # endif |
|
|
422 | int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
423 | |
|
|
424 | struct signalfd_siginfo |
|
|
425 | { |
|
|
426 | uint32_t ssi_signo; |
|
|
427 | char pad[128 - sizeof (uint32_t)]; |
|
|
428 | }; |
|
|
429 | # ifdef __cplusplus |
|
|
430 | } |
|
|
431 | # endif |
|
|
432 | #endif |
|
|
433 | |
345 | |
434 | |
346 | /**/ |
435 | /**/ |
347 | |
436 | |
348 | #if EV_VERIFY >= 3 |
437 | #if EV_VERIFY >= 3 |
349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
438 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
… | |
… | |
384 | # define inline_speed static noinline |
473 | # define inline_speed static noinline |
385 | #else |
474 | #else |
386 | # define inline_speed static inline |
475 | # define inline_speed static inline |
387 | #endif |
476 | #endif |
388 | |
477 | |
389 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
478 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
479 | |
|
|
480 | #if EV_MINPRI == EV_MAXPRI |
|
|
481 | # define ABSPRI(w) (((W)w), 0) |
|
|
482 | #else |
390 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
483 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
484 | #endif |
391 | |
485 | |
392 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
486 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
393 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
487 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
394 | |
488 | |
395 | typedef ev_watcher *W; |
489 | typedef ev_watcher *W; |
… | |
… | |
407 | |
501 | |
408 | #if EV_USE_MONOTONIC |
502 | #if EV_USE_MONOTONIC |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
503 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
410 | #endif |
504 | #endif |
411 | |
505 | |
|
|
506 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
507 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
508 | #endif |
|
|
509 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
510 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
|
|
511 | #endif |
|
|
512 | #ifndef EV_WIN32_CLOSE_FD |
|
|
513 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
514 | #endif |
|
|
515 | |
412 | #ifdef _WIN32 |
516 | #ifdef _WIN32 |
413 | # include "ev_win32.c" |
517 | # include "ev_win32.c" |
414 | #endif |
518 | #endif |
415 | |
519 | |
416 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
… | |
… | |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
582 | #define ev_malloc(size) ev_realloc (0, (size)) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
583 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
480 | |
584 | |
481 | /*****************************************************************************/ |
585 | /*****************************************************************************/ |
482 | |
586 | |
|
|
587 | /* set in reify when reification needed */ |
|
|
588 | #define EV_ANFD_REIFY 1 |
|
|
589 | |
483 | /* file descriptor info structure */ |
590 | /* file descriptor info structure */ |
484 | typedef struct |
591 | typedef struct |
485 | { |
592 | { |
486 | WL head; |
593 | WL head; |
487 | unsigned char events; /* the events watched for */ |
594 | unsigned char events; /* the events watched for */ |
488 | unsigned char reify; /* flag set when this ANFD needs reification */ |
595 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
489 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
596 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
490 | unsigned char unused; |
597 | unsigned char unused; |
491 | #if EV_USE_EPOLL |
598 | #if EV_USE_EPOLL |
492 | unsigned int egen; /* generation counter to counter epoll bugs */ |
599 | unsigned int egen; /* generation counter to counter epoll bugs */ |
493 | #endif |
600 | #endif |
… | |
… | |
555 | |
662 | |
556 | static int ev_default_loop_ptr; |
663 | static int ev_default_loop_ptr; |
557 | |
664 | |
558 | #endif |
665 | #endif |
559 | |
666 | |
|
|
667 | #if EV_MINIMAL < 2 |
|
|
668 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
669 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
670 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
671 | #else |
|
|
672 | # define EV_RELEASE_CB (void)0 |
|
|
673 | # define EV_ACQUIRE_CB (void)0 |
|
|
674 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
675 | #endif |
|
|
676 | |
|
|
677 | #define EVUNLOOP_RECURSE 0x80 |
|
|
678 | |
560 | /*****************************************************************************/ |
679 | /*****************************************************************************/ |
561 | |
680 | |
|
|
681 | #ifndef EV_HAVE_EV_TIME |
562 | ev_tstamp |
682 | ev_tstamp |
563 | ev_time (void) |
683 | ev_time (void) |
564 | { |
684 | { |
565 | #if EV_USE_REALTIME |
685 | #if EV_USE_REALTIME |
566 | if (expect_true (have_realtime)) |
686 | if (expect_true (have_realtime)) |
… | |
… | |
573 | |
693 | |
574 | struct timeval tv; |
694 | struct timeval tv; |
575 | gettimeofday (&tv, 0); |
695 | gettimeofday (&tv, 0); |
576 | return tv.tv_sec + tv.tv_usec * 1e-6; |
696 | return tv.tv_sec + tv.tv_usec * 1e-6; |
577 | } |
697 | } |
|
|
698 | #endif |
578 | |
699 | |
579 | inline_size ev_tstamp |
700 | inline_size ev_tstamp |
580 | get_clock (void) |
701 | get_clock (void) |
581 | { |
702 | { |
582 | #if EV_USE_MONOTONIC |
703 | #if EV_USE_MONOTONIC |
… | |
… | |
618 | |
739 | |
619 | tv.tv_sec = (time_t)delay; |
740 | tv.tv_sec = (time_t)delay; |
620 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
741 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
621 | |
742 | |
622 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
743 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
623 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
744 | /* something not guaranteed by newer posix versions, but guaranteed */ |
624 | /* by older ones */ |
745 | /* by older ones */ |
625 | select (0, 0, 0, 0, &tv); |
746 | select (0, 0, 0, 0, &tv); |
626 | #endif |
747 | #endif |
627 | } |
748 | } |
628 | } |
749 | } |
… | |
… | |
736 | } |
857 | } |
737 | |
858 | |
738 | /*****************************************************************************/ |
859 | /*****************************************************************************/ |
739 | |
860 | |
740 | inline_speed void |
861 | inline_speed void |
741 | fd_event (EV_P_ int fd, int revents) |
862 | fd_event_nc (EV_P_ int fd, int revents) |
742 | { |
863 | { |
743 | ANFD *anfd = anfds + fd; |
864 | ANFD *anfd = anfds + fd; |
744 | ev_io *w; |
865 | ev_io *w; |
745 | |
866 | |
746 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
867 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
750 | if (ev) |
871 | if (ev) |
751 | ev_feed_event (EV_A_ (W)w, ev); |
872 | ev_feed_event (EV_A_ (W)w, ev); |
752 | } |
873 | } |
753 | } |
874 | } |
754 | |
875 | |
|
|
876 | /* do not submit kernel events for fds that have reify set */ |
|
|
877 | /* because that means they changed while we were polling for new events */ |
|
|
878 | inline_speed void |
|
|
879 | fd_event (EV_P_ int fd, int revents) |
|
|
880 | { |
|
|
881 | ANFD *anfd = anfds + fd; |
|
|
882 | |
|
|
883 | if (expect_true (!anfd->reify)) |
|
|
884 | fd_event_nc (EV_A_ fd, revents); |
|
|
885 | } |
|
|
886 | |
755 | void |
887 | void |
756 | ev_feed_fd_event (EV_P_ int fd, int revents) |
888 | ev_feed_fd_event (EV_P_ int fd, int revents) |
757 | { |
889 | { |
758 | if (fd >= 0 && fd < anfdmax) |
890 | if (fd >= 0 && fd < anfdmax) |
759 | fd_event (EV_A_ fd, revents); |
891 | fd_event_nc (EV_A_ fd, revents); |
760 | } |
892 | } |
761 | |
893 | |
762 | /* make sure the external fd watch events are in-sync */ |
894 | /* make sure the external fd watch events are in-sync */ |
763 | /* with the kernel/libev internal state */ |
895 | /* with the kernel/libev internal state */ |
764 | inline_size void |
896 | inline_size void |
… | |
… | |
779 | |
911 | |
780 | #if EV_SELECT_IS_WINSOCKET |
912 | #if EV_SELECT_IS_WINSOCKET |
781 | if (events) |
913 | if (events) |
782 | { |
914 | { |
783 | unsigned long arg; |
915 | unsigned long arg; |
784 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
785 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
916 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
786 | #else |
|
|
787 | anfd->handle = _get_osfhandle (fd); |
|
|
788 | #endif |
|
|
789 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
917 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
790 | } |
918 | } |
791 | #endif |
919 | #endif |
792 | |
920 | |
793 | { |
921 | { |
… | |
… | |
864 | |
992 | |
865 | for (fd = anfdmax; fd--; ) |
993 | for (fd = anfdmax; fd--; ) |
866 | if (anfds [fd].events) |
994 | if (anfds [fd].events) |
867 | { |
995 | { |
868 | fd_kill (EV_A_ fd); |
996 | fd_kill (EV_A_ fd); |
869 | return; |
997 | break; |
870 | } |
998 | } |
871 | } |
999 | } |
872 | |
1000 | |
873 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1001 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
874 | static void noinline |
1002 | static void noinline |
… | |
… | |
879 | for (fd = 0; fd < anfdmax; ++fd) |
1007 | for (fd = 0; fd < anfdmax; ++fd) |
880 | if (anfds [fd].events) |
1008 | if (anfds [fd].events) |
881 | { |
1009 | { |
882 | anfds [fd].events = 0; |
1010 | anfds [fd].events = 0; |
883 | anfds [fd].emask = 0; |
1011 | anfds [fd].emask = 0; |
884 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
1012 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
885 | } |
1013 | } |
886 | } |
1014 | } |
887 | |
1015 | |
888 | /*****************************************************************************/ |
1016 | /*****************************************************************************/ |
889 | |
1017 | |
… | |
… | |
964 | |
1092 | |
965 | for (;;) |
1093 | for (;;) |
966 | { |
1094 | { |
967 | int c = k << 1; |
1095 | int c = k << 1; |
968 | |
1096 | |
969 | if (c > N + HEAP0 - 1) |
1097 | if (c >= N + HEAP0) |
970 | break; |
1098 | break; |
971 | |
1099 | |
972 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1100 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
973 | ? 1 : 0; |
1101 | ? 1 : 0; |
974 | |
1102 | |
… | |
… | |
1010 | |
1138 | |
1011 | /* move an element suitably so it is in a correct place */ |
1139 | /* move an element suitably so it is in a correct place */ |
1012 | inline_size void |
1140 | inline_size void |
1013 | adjustheap (ANHE *heap, int N, int k) |
1141 | adjustheap (ANHE *heap, int N, int k) |
1014 | { |
1142 | { |
1015 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1143 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1016 | upheap (heap, k); |
1144 | upheap (heap, k); |
1017 | else |
1145 | else |
1018 | downheap (heap, N, k); |
1146 | downheap (heap, N, k); |
1019 | } |
1147 | } |
1020 | |
1148 | |
… | |
… | |
1033 | /*****************************************************************************/ |
1161 | /*****************************************************************************/ |
1034 | |
1162 | |
1035 | /* associate signal watchers to a signal signal */ |
1163 | /* associate signal watchers to a signal signal */ |
1036 | typedef struct |
1164 | typedef struct |
1037 | { |
1165 | { |
|
|
1166 | EV_ATOMIC_T pending; |
|
|
1167 | #if EV_MULTIPLICITY |
|
|
1168 | EV_P; |
|
|
1169 | #endif |
1038 | WL head; |
1170 | WL head; |
1039 | EV_ATOMIC_T gotsig; |
|
|
1040 | } ANSIG; |
1171 | } ANSIG; |
1041 | |
1172 | |
1042 | static ANSIG *signals; |
1173 | static ANSIG signals [EV_NSIG - 1]; |
1043 | static int signalmax; |
|
|
1044 | |
|
|
1045 | static EV_ATOMIC_T gotsig; |
|
|
1046 | |
1174 | |
1047 | /*****************************************************************************/ |
1175 | /*****************************************************************************/ |
1048 | |
1176 | |
1049 | /* used to prepare libev internal fd's */ |
1177 | /* used to prepare libev internal fd's */ |
1050 | /* this is not fork-safe */ |
1178 | /* this is not fork-safe */ |
… | |
… | |
1064 | evpipe_init (EV_P) |
1192 | evpipe_init (EV_P) |
1065 | { |
1193 | { |
1066 | if (!ev_is_active (&pipe_w)) |
1194 | if (!ev_is_active (&pipe_w)) |
1067 | { |
1195 | { |
1068 | #if EV_USE_EVENTFD |
1196 | #if EV_USE_EVENTFD |
|
|
1197 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1198 | if (evfd < 0 && errno == EINVAL) |
1069 | if ((evfd = eventfd (0, 0)) >= 0) |
1199 | evfd = eventfd (0, 0); |
|
|
1200 | |
|
|
1201 | if (evfd >= 0) |
1070 | { |
1202 | { |
1071 | evpipe [0] = -1; |
1203 | evpipe [0] = -1; |
1072 | fd_intern (evfd); |
1204 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1073 | ev_io_set (&pipe_w, evfd, EV_READ); |
1205 | ev_io_set (&pipe_w, evfd, EV_READ); |
1074 | } |
1206 | } |
1075 | else |
1207 | else |
1076 | #endif |
1208 | #endif |
1077 | { |
1209 | { |
… | |
… | |
1114 | /* called whenever the libev signal pipe */ |
1246 | /* called whenever the libev signal pipe */ |
1115 | /* got some events (signal, async) */ |
1247 | /* got some events (signal, async) */ |
1116 | static void |
1248 | static void |
1117 | pipecb (EV_P_ ev_io *iow, int revents) |
1249 | pipecb (EV_P_ ev_io *iow, int revents) |
1118 | { |
1250 | { |
|
|
1251 | int i; |
|
|
1252 | |
1119 | #if EV_USE_EVENTFD |
1253 | #if EV_USE_EVENTFD |
1120 | if (evfd >= 0) |
1254 | if (evfd >= 0) |
1121 | { |
1255 | { |
1122 | uint64_t counter; |
1256 | uint64_t counter; |
1123 | read (evfd, &counter, sizeof (uint64_t)); |
1257 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1127 | { |
1261 | { |
1128 | char dummy; |
1262 | char dummy; |
1129 | read (evpipe [0], &dummy, 1); |
1263 | read (evpipe [0], &dummy, 1); |
1130 | } |
1264 | } |
1131 | |
1265 | |
1132 | if (gotsig && ev_is_default_loop (EV_A)) |
1266 | if (sig_pending) |
1133 | { |
1267 | { |
1134 | int signum; |
1268 | sig_pending = 0; |
1135 | gotsig = 0; |
|
|
1136 | |
1269 | |
1137 | for (signum = signalmax; signum--; ) |
1270 | for (i = EV_NSIG - 1; i--; ) |
1138 | if (signals [signum].gotsig) |
1271 | if (expect_false (signals [i].pending)) |
1139 | ev_feed_signal_event (EV_A_ signum + 1); |
1272 | ev_feed_signal_event (EV_A_ i + 1); |
1140 | } |
1273 | } |
1141 | |
1274 | |
1142 | #if EV_ASYNC_ENABLE |
1275 | #if EV_ASYNC_ENABLE |
1143 | if (gotasync) |
1276 | if (async_pending) |
1144 | { |
1277 | { |
1145 | int i; |
1278 | async_pending = 0; |
1146 | gotasync = 0; |
|
|
1147 | |
1279 | |
1148 | for (i = asynccnt; i--; ) |
1280 | for (i = asynccnt; i--; ) |
1149 | if (asyncs [i]->sent) |
1281 | if (asyncs [i]->sent) |
1150 | { |
1282 | { |
1151 | asyncs [i]->sent = 0; |
1283 | asyncs [i]->sent = 0; |
… | |
… | |
1159 | |
1291 | |
1160 | static void |
1292 | static void |
1161 | ev_sighandler (int signum) |
1293 | ev_sighandler (int signum) |
1162 | { |
1294 | { |
1163 | #if EV_MULTIPLICITY |
1295 | #if EV_MULTIPLICITY |
1164 | struct ev_loop *loop = &default_loop_struct; |
1296 | EV_P = signals [signum - 1].loop; |
1165 | #endif |
1297 | #endif |
1166 | |
1298 | |
1167 | #if _WIN32 |
1299 | #if _WIN32 |
1168 | signal (signum, ev_sighandler); |
1300 | signal (signum, ev_sighandler); |
1169 | #endif |
1301 | #endif |
1170 | |
1302 | |
1171 | signals [signum - 1].gotsig = 1; |
1303 | signals [signum - 1].pending = 1; |
1172 | evpipe_write (EV_A_ &gotsig); |
1304 | evpipe_write (EV_A_ &sig_pending); |
1173 | } |
1305 | } |
1174 | |
1306 | |
1175 | void noinline |
1307 | void noinline |
1176 | ev_feed_signal_event (EV_P_ int signum) |
1308 | ev_feed_signal_event (EV_P_ int signum) |
1177 | { |
1309 | { |
1178 | WL w; |
1310 | WL w; |
1179 | |
1311 | |
|
|
1312 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1313 | return; |
|
|
1314 | |
|
|
1315 | --signum; |
|
|
1316 | |
1180 | #if EV_MULTIPLICITY |
1317 | #if EV_MULTIPLICITY |
1181 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1318 | /* it is permissible to try to feed a signal to the wrong loop */ |
1182 | #endif |
1319 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1183 | |
1320 | |
1184 | --signum; |
1321 | if (expect_false (signals [signum].loop != EV_A)) |
1185 | |
|
|
1186 | if (signum < 0 || signum >= signalmax) |
|
|
1187 | return; |
1322 | return; |
|
|
1323 | #endif |
1188 | |
1324 | |
1189 | signals [signum].gotsig = 0; |
1325 | signals [signum].pending = 0; |
1190 | |
1326 | |
1191 | for (w = signals [signum].head; w; w = w->next) |
1327 | for (w = signals [signum].head; w; w = w->next) |
1192 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1328 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1193 | } |
1329 | } |
|
|
1330 | |
|
|
1331 | #if EV_USE_SIGNALFD |
|
|
1332 | static void |
|
|
1333 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1334 | { |
|
|
1335 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1336 | |
|
|
1337 | for (;;) |
|
|
1338 | { |
|
|
1339 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1340 | |
|
|
1341 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1342 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1343 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1344 | |
|
|
1345 | if (res < (ssize_t)sizeof (si)) |
|
|
1346 | break; |
|
|
1347 | } |
|
|
1348 | } |
|
|
1349 | #endif |
1194 | |
1350 | |
1195 | /*****************************************************************************/ |
1351 | /*****************************************************************************/ |
1196 | |
1352 | |
1197 | static WL childs [EV_PID_HASHSIZE]; |
1353 | static WL childs [EV_PID_HASHSIZE]; |
1198 | |
1354 | |
… | |
… | |
1343 | ev_backend (EV_P) |
1499 | ev_backend (EV_P) |
1344 | { |
1500 | { |
1345 | return backend; |
1501 | return backend; |
1346 | } |
1502 | } |
1347 | |
1503 | |
|
|
1504 | #if EV_MINIMAL < 2 |
1348 | unsigned int |
1505 | unsigned int |
1349 | ev_loop_count (EV_P) |
1506 | ev_loop_count (EV_P) |
1350 | { |
1507 | { |
1351 | return loop_count; |
1508 | return loop_count; |
1352 | } |
1509 | } |
1353 | |
1510 | |
|
|
1511 | unsigned int |
|
|
1512 | ev_loop_depth (EV_P) |
|
|
1513 | { |
|
|
1514 | return loop_depth; |
|
|
1515 | } |
|
|
1516 | |
1354 | void |
1517 | void |
1355 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1518 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1356 | { |
1519 | { |
1357 | io_blocktime = interval; |
1520 | io_blocktime = interval; |
1358 | } |
1521 | } |
… | |
… | |
1360 | void |
1523 | void |
1361 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1524 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1362 | { |
1525 | { |
1363 | timeout_blocktime = interval; |
1526 | timeout_blocktime = interval; |
1364 | } |
1527 | } |
|
|
1528 | |
|
|
1529 | void |
|
|
1530 | ev_set_userdata (EV_P_ void *data) |
|
|
1531 | { |
|
|
1532 | userdata = data; |
|
|
1533 | } |
|
|
1534 | |
|
|
1535 | void * |
|
|
1536 | ev_userdata (EV_P) |
|
|
1537 | { |
|
|
1538 | return userdata; |
|
|
1539 | } |
|
|
1540 | |
|
|
1541 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1542 | { |
|
|
1543 | invoke_cb = invoke_pending_cb; |
|
|
1544 | } |
|
|
1545 | |
|
|
1546 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1547 | { |
|
|
1548 | release_cb = release; |
|
|
1549 | acquire_cb = acquire; |
|
|
1550 | } |
|
|
1551 | #endif |
1365 | |
1552 | |
1366 | /* initialise a loop structure, must be zero-initialised */ |
1553 | /* initialise a loop structure, must be zero-initialised */ |
1367 | static void noinline |
1554 | static void noinline |
1368 | loop_init (EV_P_ unsigned int flags) |
1555 | loop_init (EV_P_ unsigned int flags) |
1369 | { |
1556 | { |
… | |
… | |
1387 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1574 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1388 | have_monotonic = 1; |
1575 | have_monotonic = 1; |
1389 | } |
1576 | } |
1390 | #endif |
1577 | #endif |
1391 | |
1578 | |
|
|
1579 | /* pid check not overridable via env */ |
|
|
1580 | #ifndef _WIN32 |
|
|
1581 | if (flags & EVFLAG_FORKCHECK) |
|
|
1582 | curpid = getpid (); |
|
|
1583 | #endif |
|
|
1584 | |
|
|
1585 | if (!(flags & EVFLAG_NOENV) |
|
|
1586 | && !enable_secure () |
|
|
1587 | && getenv ("LIBEV_FLAGS")) |
|
|
1588 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1589 | |
1392 | ev_rt_now = ev_time (); |
1590 | ev_rt_now = ev_time (); |
1393 | mn_now = get_clock (); |
1591 | mn_now = get_clock (); |
1394 | now_floor = mn_now; |
1592 | now_floor = mn_now; |
1395 | rtmn_diff = ev_rt_now - mn_now; |
1593 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1594 | #if EV_MINIMAL < 2 |
|
|
1595 | invoke_cb = ev_invoke_pending; |
|
|
1596 | #endif |
1396 | |
1597 | |
1397 | io_blocktime = 0.; |
1598 | io_blocktime = 0.; |
1398 | timeout_blocktime = 0.; |
1599 | timeout_blocktime = 0.; |
1399 | backend = 0; |
1600 | backend = 0; |
1400 | backend_fd = -1; |
1601 | backend_fd = -1; |
1401 | gotasync = 0; |
1602 | sig_pending = 0; |
|
|
1603 | #if EV_ASYNC_ENABLE |
|
|
1604 | async_pending = 0; |
|
|
1605 | #endif |
1402 | #if EV_USE_INOTIFY |
1606 | #if EV_USE_INOTIFY |
1403 | fs_fd = -2; |
1607 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1404 | #endif |
1608 | #endif |
1405 | |
1609 | #if EV_USE_SIGNALFD |
1406 | /* pid check not overridable via env */ |
1610 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1407 | #ifndef _WIN32 |
|
|
1408 | if (flags & EVFLAG_FORKCHECK) |
|
|
1409 | curpid = getpid (); |
|
|
1410 | #endif |
1611 | #endif |
1411 | |
|
|
1412 | if (!(flags & EVFLAG_NOENV) |
|
|
1413 | && !enable_secure () |
|
|
1414 | && getenv ("LIBEV_FLAGS")) |
|
|
1415 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1416 | |
1612 | |
1417 | if (!(flags & 0x0000ffffU)) |
1613 | if (!(flags & 0x0000ffffU)) |
1418 | flags |= ev_recommended_backends (); |
1614 | flags |= ev_recommended_backends (); |
1419 | |
1615 | |
1420 | #if EV_USE_PORT |
1616 | #if EV_USE_PORT |
… | |
… | |
1446 | { |
1642 | { |
1447 | int i; |
1643 | int i; |
1448 | |
1644 | |
1449 | if (ev_is_active (&pipe_w)) |
1645 | if (ev_is_active (&pipe_w)) |
1450 | { |
1646 | { |
1451 | ev_ref (EV_A); /* signal watcher */ |
1647 | /*ev_ref (EV_A);*/ |
1452 | ev_io_stop (EV_A_ &pipe_w); |
1648 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1453 | |
1649 | |
1454 | #if EV_USE_EVENTFD |
1650 | #if EV_USE_EVENTFD |
1455 | if (evfd >= 0) |
1651 | if (evfd >= 0) |
1456 | close (evfd); |
1652 | close (evfd); |
1457 | #endif |
1653 | #endif |
1458 | |
1654 | |
1459 | if (evpipe [0] >= 0) |
1655 | if (evpipe [0] >= 0) |
1460 | { |
1656 | { |
1461 | close (evpipe [0]); |
1657 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1462 | close (evpipe [1]); |
1658 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1463 | } |
1659 | } |
1464 | } |
1660 | } |
|
|
1661 | |
|
|
1662 | #if EV_USE_SIGNALFD |
|
|
1663 | if (ev_is_active (&sigfd_w)) |
|
|
1664 | { |
|
|
1665 | /*ev_ref (EV_A);*/ |
|
|
1666 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1667 | |
|
|
1668 | close (sigfd); |
|
|
1669 | } |
|
|
1670 | #endif |
1465 | |
1671 | |
1466 | #if EV_USE_INOTIFY |
1672 | #if EV_USE_INOTIFY |
1467 | if (fs_fd >= 0) |
1673 | if (fs_fd >= 0) |
1468 | close (fs_fd); |
1674 | close (fs_fd); |
1469 | #endif |
1675 | #endif |
… | |
… | |
1493 | #if EV_IDLE_ENABLE |
1699 | #if EV_IDLE_ENABLE |
1494 | array_free (idle, [i]); |
1700 | array_free (idle, [i]); |
1495 | #endif |
1701 | #endif |
1496 | } |
1702 | } |
1497 | |
1703 | |
1498 | ev_free (anfds); anfdmax = 0; |
1704 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1499 | |
1705 | |
1500 | /* have to use the microsoft-never-gets-it-right macro */ |
1706 | /* have to use the microsoft-never-gets-it-right macro */ |
1501 | array_free (rfeed, EMPTY); |
1707 | array_free (rfeed, EMPTY); |
1502 | array_free (fdchange, EMPTY); |
1708 | array_free (fdchange, EMPTY); |
1503 | array_free (timer, EMPTY); |
1709 | array_free (timer, EMPTY); |
… | |
… | |
1538 | |
1744 | |
1539 | if (ev_is_active (&pipe_w)) |
1745 | if (ev_is_active (&pipe_w)) |
1540 | { |
1746 | { |
1541 | /* this "locks" the handlers against writing to the pipe */ |
1747 | /* this "locks" the handlers against writing to the pipe */ |
1542 | /* while we modify the fd vars */ |
1748 | /* while we modify the fd vars */ |
1543 | gotsig = 1; |
1749 | sig_pending = 1; |
1544 | #if EV_ASYNC_ENABLE |
1750 | #if EV_ASYNC_ENABLE |
1545 | gotasync = 1; |
1751 | async_pending = 1; |
1546 | #endif |
1752 | #endif |
1547 | |
1753 | |
1548 | ev_ref (EV_A); |
1754 | ev_ref (EV_A); |
1549 | ev_io_stop (EV_A_ &pipe_w); |
1755 | ev_io_stop (EV_A_ &pipe_w); |
1550 | |
1756 | |
… | |
… | |
1553 | close (evfd); |
1759 | close (evfd); |
1554 | #endif |
1760 | #endif |
1555 | |
1761 | |
1556 | if (evpipe [0] >= 0) |
1762 | if (evpipe [0] >= 0) |
1557 | { |
1763 | { |
1558 | close (evpipe [0]); |
1764 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1559 | close (evpipe [1]); |
1765 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1560 | } |
1766 | } |
1561 | |
1767 | |
1562 | evpipe_init (EV_A); |
1768 | evpipe_init (EV_A); |
1563 | /* now iterate over everything, in case we missed something */ |
1769 | /* now iterate over everything, in case we missed something */ |
1564 | pipecb (EV_A_ &pipe_w, EV_READ); |
1770 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1570 | #if EV_MULTIPLICITY |
1776 | #if EV_MULTIPLICITY |
1571 | |
1777 | |
1572 | struct ev_loop * |
1778 | struct ev_loop * |
1573 | ev_loop_new (unsigned int flags) |
1779 | ev_loop_new (unsigned int flags) |
1574 | { |
1780 | { |
1575 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1781 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1576 | |
1782 | |
1577 | memset (loop, 0, sizeof (struct ev_loop)); |
1783 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1578 | |
|
|
1579 | loop_init (EV_A_ flags); |
1784 | loop_init (EV_A_ flags); |
1580 | |
1785 | |
1581 | if (ev_backend (EV_A)) |
1786 | if (ev_backend (EV_A)) |
1582 | return loop; |
1787 | return EV_A; |
1583 | |
1788 | |
1584 | return 0; |
1789 | return 0; |
1585 | } |
1790 | } |
1586 | |
1791 | |
1587 | void |
1792 | void |
… | |
… | |
1594 | void |
1799 | void |
1595 | ev_loop_fork (EV_P) |
1800 | ev_loop_fork (EV_P) |
1596 | { |
1801 | { |
1597 | postfork = 1; /* must be in line with ev_default_fork */ |
1802 | postfork = 1; /* must be in line with ev_default_fork */ |
1598 | } |
1803 | } |
|
|
1804 | #endif /* multiplicity */ |
1599 | |
1805 | |
1600 | #if EV_VERIFY |
1806 | #if EV_VERIFY |
1601 | static void noinline |
1807 | static void noinline |
1602 | verify_watcher (EV_P_ W w) |
1808 | verify_watcher (EV_P_ W w) |
1603 | { |
1809 | { |
… | |
… | |
1631 | verify_watcher (EV_A_ ws [cnt]); |
1837 | verify_watcher (EV_A_ ws [cnt]); |
1632 | } |
1838 | } |
1633 | } |
1839 | } |
1634 | #endif |
1840 | #endif |
1635 | |
1841 | |
|
|
1842 | #if EV_MINIMAL < 2 |
1636 | void |
1843 | void |
1637 | ev_loop_verify (EV_P) |
1844 | ev_loop_verify (EV_P) |
1638 | { |
1845 | { |
1639 | #if EV_VERIFY |
1846 | #if EV_VERIFY |
1640 | int i; |
1847 | int i; |
… | |
… | |
1689 | assert (checkmax >= checkcnt); |
1896 | assert (checkmax >= checkcnt); |
1690 | array_verify (EV_A_ (W *)checks, checkcnt); |
1897 | array_verify (EV_A_ (W *)checks, checkcnt); |
1691 | |
1898 | |
1692 | # if 0 |
1899 | # if 0 |
1693 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1900 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1694 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1901 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1695 | # endif |
|
|
1696 | #endif |
1902 | # endif |
|
|
1903 | #endif |
1697 | } |
1904 | } |
1698 | |
1905 | #endif |
1699 | #endif /* multiplicity */ |
|
|
1700 | |
1906 | |
1701 | #if EV_MULTIPLICITY |
1907 | #if EV_MULTIPLICITY |
1702 | struct ev_loop * |
1908 | struct ev_loop * |
1703 | ev_default_loop_init (unsigned int flags) |
1909 | ev_default_loop_init (unsigned int flags) |
1704 | #else |
1910 | #else |
… | |
… | |
1707 | #endif |
1913 | #endif |
1708 | { |
1914 | { |
1709 | if (!ev_default_loop_ptr) |
1915 | if (!ev_default_loop_ptr) |
1710 | { |
1916 | { |
1711 | #if EV_MULTIPLICITY |
1917 | #if EV_MULTIPLICITY |
1712 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1918 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1713 | #else |
1919 | #else |
1714 | ev_default_loop_ptr = 1; |
1920 | ev_default_loop_ptr = 1; |
1715 | #endif |
1921 | #endif |
1716 | |
1922 | |
1717 | loop_init (EV_A_ flags); |
1923 | loop_init (EV_A_ flags); |
… | |
… | |
1734 | |
1940 | |
1735 | void |
1941 | void |
1736 | ev_default_destroy (void) |
1942 | ev_default_destroy (void) |
1737 | { |
1943 | { |
1738 | #if EV_MULTIPLICITY |
1944 | #if EV_MULTIPLICITY |
1739 | struct ev_loop *loop = ev_default_loop_ptr; |
1945 | EV_P = ev_default_loop_ptr; |
1740 | #endif |
1946 | #endif |
1741 | |
1947 | |
1742 | ev_default_loop_ptr = 0; |
1948 | ev_default_loop_ptr = 0; |
1743 | |
1949 | |
1744 | #ifndef _WIN32 |
1950 | #ifndef _WIN32 |
… | |
… | |
1751 | |
1957 | |
1752 | void |
1958 | void |
1753 | ev_default_fork (void) |
1959 | ev_default_fork (void) |
1754 | { |
1960 | { |
1755 | #if EV_MULTIPLICITY |
1961 | #if EV_MULTIPLICITY |
1756 | struct ev_loop *loop = ev_default_loop_ptr; |
1962 | EV_P = ev_default_loop_ptr; |
1757 | #endif |
1963 | #endif |
1758 | |
1964 | |
1759 | postfork = 1; /* must be in line with ev_loop_fork */ |
1965 | postfork = 1; /* must be in line with ev_loop_fork */ |
1760 | } |
1966 | } |
1761 | |
1967 | |
… | |
… | |
1765 | ev_invoke (EV_P_ void *w, int revents) |
1971 | ev_invoke (EV_P_ void *w, int revents) |
1766 | { |
1972 | { |
1767 | EV_CB_INVOKE ((W)w, revents); |
1973 | EV_CB_INVOKE ((W)w, revents); |
1768 | } |
1974 | } |
1769 | |
1975 | |
1770 | inline_speed void |
1976 | unsigned int |
1771 | call_pending (EV_P) |
1977 | ev_pending_count (EV_P) |
|
|
1978 | { |
|
|
1979 | int pri; |
|
|
1980 | unsigned int count = 0; |
|
|
1981 | |
|
|
1982 | for (pri = NUMPRI; pri--; ) |
|
|
1983 | count += pendingcnt [pri]; |
|
|
1984 | |
|
|
1985 | return count; |
|
|
1986 | } |
|
|
1987 | |
|
|
1988 | void noinline |
|
|
1989 | ev_invoke_pending (EV_P) |
1772 | { |
1990 | { |
1773 | int pri; |
1991 | int pri; |
1774 | |
1992 | |
1775 | for (pri = NUMPRI; pri--; ) |
1993 | for (pri = NUMPRI; pri--; ) |
1776 | while (pendingcnt [pri]) |
1994 | while (pendingcnt [pri]) |
… | |
… | |
2011 | |
2229 | |
2012 | mn_now = ev_rt_now; |
2230 | mn_now = ev_rt_now; |
2013 | } |
2231 | } |
2014 | } |
2232 | } |
2015 | |
2233 | |
2016 | static int loop_done; |
|
|
2017 | |
|
|
2018 | void |
2234 | void |
2019 | ev_loop (EV_P_ int flags) |
2235 | ev_loop (EV_P_ int flags) |
2020 | { |
2236 | { |
|
|
2237 | #if EV_MINIMAL < 2 |
|
|
2238 | ++loop_depth; |
|
|
2239 | #endif |
|
|
2240 | |
|
|
2241 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2242 | |
2021 | loop_done = EVUNLOOP_CANCEL; |
2243 | loop_done = EVUNLOOP_CANCEL; |
2022 | |
2244 | |
2023 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2245 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2024 | |
2246 | |
2025 | do |
2247 | do |
2026 | { |
2248 | { |
2027 | #if EV_VERIFY >= 2 |
2249 | #if EV_VERIFY >= 2 |
2028 | ev_loop_verify (EV_A); |
2250 | ev_loop_verify (EV_A); |
… | |
… | |
2041 | /* we might have forked, so queue fork handlers */ |
2263 | /* we might have forked, so queue fork handlers */ |
2042 | if (expect_false (postfork)) |
2264 | if (expect_false (postfork)) |
2043 | if (forkcnt) |
2265 | if (forkcnt) |
2044 | { |
2266 | { |
2045 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2267 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2046 | call_pending (EV_A); |
2268 | EV_INVOKE_PENDING; |
2047 | } |
2269 | } |
2048 | #endif |
2270 | #endif |
2049 | |
2271 | |
2050 | /* queue prepare watchers (and execute them) */ |
2272 | /* queue prepare watchers (and execute them) */ |
2051 | if (expect_false (preparecnt)) |
2273 | if (expect_false (preparecnt)) |
2052 | { |
2274 | { |
2053 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2275 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2054 | call_pending (EV_A); |
2276 | EV_INVOKE_PENDING; |
2055 | } |
2277 | } |
|
|
2278 | |
|
|
2279 | if (expect_false (loop_done)) |
|
|
2280 | break; |
2056 | |
2281 | |
2057 | /* we might have forked, so reify kernel state if necessary */ |
2282 | /* we might have forked, so reify kernel state if necessary */ |
2058 | if (expect_false (postfork)) |
2283 | if (expect_false (postfork)) |
2059 | loop_fork (EV_A); |
2284 | loop_fork (EV_A); |
2060 | |
2285 | |
… | |
… | |
2066 | ev_tstamp waittime = 0.; |
2291 | ev_tstamp waittime = 0.; |
2067 | ev_tstamp sleeptime = 0.; |
2292 | ev_tstamp sleeptime = 0.; |
2068 | |
2293 | |
2069 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2294 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2070 | { |
2295 | { |
|
|
2296 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2297 | ev_tstamp prev_mn_now = mn_now; |
|
|
2298 | |
2071 | /* update time to cancel out callback processing overhead */ |
2299 | /* update time to cancel out callback processing overhead */ |
2072 | time_update (EV_A_ 1e100); |
2300 | time_update (EV_A_ 1e100); |
2073 | |
2301 | |
2074 | waittime = MAX_BLOCKTIME; |
2302 | waittime = MAX_BLOCKTIME; |
2075 | |
2303 | |
… | |
… | |
2085 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2313 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2086 | if (waittime > to) waittime = to; |
2314 | if (waittime > to) waittime = to; |
2087 | } |
2315 | } |
2088 | #endif |
2316 | #endif |
2089 | |
2317 | |
|
|
2318 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2090 | if (expect_false (waittime < timeout_blocktime)) |
2319 | if (expect_false (waittime < timeout_blocktime)) |
2091 | waittime = timeout_blocktime; |
2320 | waittime = timeout_blocktime; |
2092 | |
2321 | |
2093 | sleeptime = waittime - backend_fudge; |
2322 | /* extra check because io_blocktime is commonly 0 */ |
2094 | |
|
|
2095 | if (expect_true (sleeptime > io_blocktime)) |
2323 | if (expect_false (io_blocktime)) |
2096 | sleeptime = io_blocktime; |
|
|
2097 | |
|
|
2098 | if (sleeptime) |
|
|
2099 | { |
2324 | { |
|
|
2325 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2326 | |
|
|
2327 | if (sleeptime > waittime - backend_fudge) |
|
|
2328 | sleeptime = waittime - backend_fudge; |
|
|
2329 | |
|
|
2330 | if (expect_true (sleeptime > 0.)) |
|
|
2331 | { |
2100 | ev_sleep (sleeptime); |
2332 | ev_sleep (sleeptime); |
2101 | waittime -= sleeptime; |
2333 | waittime -= sleeptime; |
|
|
2334 | } |
2102 | } |
2335 | } |
2103 | } |
2336 | } |
2104 | |
2337 | |
|
|
2338 | #if EV_MINIMAL < 2 |
2105 | ++loop_count; |
2339 | ++loop_count; |
|
|
2340 | #endif |
|
|
2341 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2106 | backend_poll (EV_A_ waittime); |
2342 | backend_poll (EV_A_ waittime); |
|
|
2343 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2107 | |
2344 | |
2108 | /* update ev_rt_now, do magic */ |
2345 | /* update ev_rt_now, do magic */ |
2109 | time_update (EV_A_ waittime + sleeptime); |
2346 | time_update (EV_A_ waittime + sleeptime); |
2110 | } |
2347 | } |
2111 | |
2348 | |
… | |
… | |
2122 | |
2359 | |
2123 | /* queue check watchers, to be executed first */ |
2360 | /* queue check watchers, to be executed first */ |
2124 | if (expect_false (checkcnt)) |
2361 | if (expect_false (checkcnt)) |
2125 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2362 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2126 | |
2363 | |
2127 | call_pending (EV_A); |
2364 | EV_INVOKE_PENDING; |
2128 | } |
2365 | } |
2129 | while (expect_true ( |
2366 | while (expect_true ( |
2130 | activecnt |
2367 | activecnt |
2131 | && !loop_done |
2368 | && !loop_done |
2132 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2369 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2133 | )); |
2370 | )); |
2134 | |
2371 | |
2135 | if (loop_done == EVUNLOOP_ONE) |
2372 | if (loop_done == EVUNLOOP_ONE) |
2136 | loop_done = EVUNLOOP_CANCEL; |
2373 | loop_done = EVUNLOOP_CANCEL; |
|
|
2374 | |
|
|
2375 | #if EV_MINIMAL < 2 |
|
|
2376 | --loop_depth; |
|
|
2377 | #endif |
2137 | } |
2378 | } |
2138 | |
2379 | |
2139 | void |
2380 | void |
2140 | ev_unloop (EV_P_ int how) |
2381 | ev_unloop (EV_P_ int how) |
2141 | { |
2382 | { |
… | |
… | |
2192 | inline_size void |
2433 | inline_size void |
2193 | wlist_del (WL *head, WL elem) |
2434 | wlist_del (WL *head, WL elem) |
2194 | { |
2435 | { |
2195 | while (*head) |
2436 | while (*head) |
2196 | { |
2437 | { |
2197 | if (*head == elem) |
2438 | if (expect_true (*head == elem)) |
2198 | { |
2439 | { |
2199 | *head = elem->next; |
2440 | *head = elem->next; |
2200 | return; |
2441 | break; |
2201 | } |
2442 | } |
2202 | |
2443 | |
2203 | head = &(*head)->next; |
2444 | head = &(*head)->next; |
2204 | } |
2445 | } |
2205 | } |
2446 | } |
… | |
… | |
2233 | } |
2474 | } |
2234 | |
2475 | |
2235 | inline_size void |
2476 | inline_size void |
2236 | pri_adjust (EV_P_ W w) |
2477 | pri_adjust (EV_P_ W w) |
2237 | { |
2478 | { |
2238 | int pri = w->priority; |
2479 | int pri = ev_priority (w); |
2239 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2480 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2240 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2481 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2241 | w->priority = pri; |
2482 | ev_set_priority (w, pri); |
2242 | } |
2483 | } |
2243 | |
2484 | |
2244 | inline_speed void |
2485 | inline_speed void |
2245 | ev_start (EV_P_ W w, int active) |
2486 | ev_start (EV_P_ W w, int active) |
2246 | { |
2487 | { |
… | |
… | |
2273 | |
2514 | |
2274 | ev_start (EV_A_ (W)w, 1); |
2515 | ev_start (EV_A_ (W)w, 1); |
2275 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2516 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2276 | wlist_add (&anfds[fd].head, (WL)w); |
2517 | wlist_add (&anfds[fd].head, (WL)w); |
2277 | |
2518 | |
2278 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2519 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2279 | w->events &= ~EV__IOFDSET; |
2520 | w->events &= ~EV__IOFDSET; |
2280 | |
2521 | |
2281 | EV_FREQUENT_CHECK; |
2522 | EV_FREQUENT_CHECK; |
2282 | } |
2523 | } |
2283 | |
2524 | |
… | |
… | |
2377 | } |
2618 | } |
2378 | |
2619 | |
2379 | EV_FREQUENT_CHECK; |
2620 | EV_FREQUENT_CHECK; |
2380 | } |
2621 | } |
2381 | |
2622 | |
|
|
2623 | ev_tstamp |
|
|
2624 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2625 | { |
|
|
2626 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2627 | } |
|
|
2628 | |
2382 | #if EV_PERIODIC_ENABLE |
2629 | #if EV_PERIODIC_ENABLE |
2383 | void noinline |
2630 | void noinline |
2384 | ev_periodic_start (EV_P_ ev_periodic *w) |
2631 | ev_periodic_start (EV_P_ ev_periodic *w) |
2385 | { |
2632 | { |
2386 | if (expect_false (ev_is_active (w))) |
2633 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2453 | #endif |
2700 | #endif |
2454 | |
2701 | |
2455 | void noinline |
2702 | void noinline |
2456 | ev_signal_start (EV_P_ ev_signal *w) |
2703 | ev_signal_start (EV_P_ ev_signal *w) |
2457 | { |
2704 | { |
2458 | #if EV_MULTIPLICITY |
|
|
2459 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
2460 | #endif |
|
|
2461 | if (expect_false (ev_is_active (w))) |
2705 | if (expect_false (ev_is_active (w))) |
2462 | return; |
2706 | return; |
2463 | |
2707 | |
2464 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2708 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2465 | |
2709 | |
2466 | evpipe_init (EV_A); |
2710 | #if EV_MULTIPLICITY |
|
|
2711 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2712 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2467 | |
2713 | |
2468 | EV_FREQUENT_CHECK; |
2714 | signals [w->signum - 1].loop = EV_A; |
|
|
2715 | #endif |
2469 | |
2716 | |
|
|
2717 | EV_FREQUENT_CHECK; |
|
|
2718 | |
|
|
2719 | #if EV_USE_SIGNALFD |
|
|
2720 | if (sigfd == -2) |
2470 | { |
2721 | { |
2471 | #ifndef _WIN32 |
2722 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2472 | sigset_t full, prev; |
2723 | if (sigfd < 0 && errno == EINVAL) |
2473 | sigfillset (&full); |
2724 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2474 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2475 | #endif |
|
|
2476 | |
2725 | |
2477 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2726 | if (sigfd >= 0) |
|
|
2727 | { |
|
|
2728 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2478 | |
2729 | |
2479 | #ifndef _WIN32 |
2730 | sigemptyset (&sigfd_set); |
2480 | sigprocmask (SIG_SETMASK, &prev, 0); |
2731 | |
2481 | #endif |
2732 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2733 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2734 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2735 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2736 | } |
2482 | } |
2737 | } |
|
|
2738 | |
|
|
2739 | if (sigfd >= 0) |
|
|
2740 | { |
|
|
2741 | /* TODO: check .head */ |
|
|
2742 | sigaddset (&sigfd_set, w->signum); |
|
|
2743 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2744 | |
|
|
2745 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2746 | } |
|
|
2747 | #endif |
2483 | |
2748 | |
2484 | ev_start (EV_A_ (W)w, 1); |
2749 | ev_start (EV_A_ (W)w, 1); |
2485 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2750 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2486 | |
2751 | |
2487 | if (!((WL)w)->next) |
2752 | if (!((WL)w)->next) |
|
|
2753 | # if EV_USE_SIGNALFD |
|
|
2754 | if (sigfd < 0) /*TODO*/ |
|
|
2755 | # endif |
2488 | { |
2756 | { |
2489 | #if _WIN32 |
2757 | # if _WIN32 |
2490 | signal (w->signum, ev_sighandler); |
2758 | signal (w->signum, ev_sighandler); |
2491 | #else |
2759 | # else |
2492 | struct sigaction sa; |
2760 | struct sigaction sa; |
|
|
2761 | |
|
|
2762 | evpipe_init (EV_A); |
|
|
2763 | |
2493 | sa.sa_handler = ev_sighandler; |
2764 | sa.sa_handler = ev_sighandler; |
2494 | sigfillset (&sa.sa_mask); |
2765 | sigfillset (&sa.sa_mask); |
2495 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2766 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2496 | sigaction (w->signum, &sa, 0); |
2767 | sigaction (w->signum, &sa, 0); |
|
|
2768 | |
|
|
2769 | sigemptyset (&sa.sa_mask); |
|
|
2770 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2771 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2497 | #endif |
2772 | #endif |
2498 | } |
2773 | } |
2499 | |
2774 | |
2500 | EV_FREQUENT_CHECK; |
2775 | EV_FREQUENT_CHECK; |
2501 | } |
2776 | } |
2502 | |
2777 | |
2503 | void noinline |
2778 | void noinline |
… | |
… | |
2511 | |
2786 | |
2512 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2787 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2513 | ev_stop (EV_A_ (W)w); |
2788 | ev_stop (EV_A_ (W)w); |
2514 | |
2789 | |
2515 | if (!signals [w->signum - 1].head) |
2790 | if (!signals [w->signum - 1].head) |
|
|
2791 | { |
|
|
2792 | #if EV_MULTIPLICITY |
|
|
2793 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2794 | #endif |
|
|
2795 | #if EV_USE_SIGNALFD |
|
|
2796 | if (sigfd >= 0) |
|
|
2797 | { |
|
|
2798 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2799 | sigdelset (&sigfd_set, w->signum); |
|
|
2800 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2801 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2802 | /*TODO: maybe unblock signal? */ |
|
|
2803 | } |
|
|
2804 | else |
|
|
2805 | #endif |
2516 | signal (w->signum, SIG_DFL); |
2806 | signal (w->signum, SIG_DFL); |
|
|
2807 | } |
2517 | |
2808 | |
2518 | EV_FREQUENT_CHECK; |
2809 | EV_FREQUENT_CHECK; |
2519 | } |
2810 | } |
2520 | |
2811 | |
2521 | void |
2812 | void |
… | |
… | |
2601 | } |
2892 | } |
2602 | } |
2893 | } |
2603 | |
2894 | |
2604 | if (w->wd >= 0) |
2895 | if (w->wd >= 0) |
2605 | { |
2896 | { |
|
|
2897 | struct statfs sfs; |
|
|
2898 | |
2606 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2899 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2607 | |
2900 | |
2608 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2901 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2609 | /* unless the filesystem it known to be local, we therefore still poll */ |
2902 | /* unless the filesystem it known to be local, we therefore still poll */ |
2610 | /* also do poll on <2.6.25, but with normal frequency */ |
2903 | /* also do poll on <2.6.25, but with normal frequency */ |
2611 | struct statfs sfs; |
|
|
2612 | |
2904 | |
2613 | if (fs_2625 && !statfs (w->path, &sfs)) |
2905 | if (fs_2625 && !statfs (w->path, &sfs)) |
2614 | if (sfs.f_type == 0x1373 /* devfs */ |
2906 | if (sfs.f_type == 0x1373 /* devfs */ |
2615 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2907 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2616 | || sfs.f_type == 0x3153464a /* jfs */ |
2908 | || sfs.f_type == 0x3153464a /* jfs */ |
… | |
… | |
3001 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3293 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3002 | { |
3294 | { |
3003 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3295 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3004 | |
3296 | |
3005 | { |
3297 | { |
3006 | struct ev_loop *loop = w->other; |
3298 | EV_P = w->other; |
3007 | |
3299 | |
3008 | while (fdchangecnt) |
3300 | while (fdchangecnt) |
3009 | { |
3301 | { |
3010 | fd_reify (EV_A); |
3302 | fd_reify (EV_A); |
3011 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3303 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3019 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3311 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3020 | |
3312 | |
3021 | ev_embed_stop (EV_A_ w); |
3313 | ev_embed_stop (EV_A_ w); |
3022 | |
3314 | |
3023 | { |
3315 | { |
3024 | struct ev_loop *loop = w->other; |
3316 | EV_P = w->other; |
3025 | |
3317 | |
3026 | ev_loop_fork (EV_A); |
3318 | ev_loop_fork (EV_A); |
3027 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3319 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3028 | } |
3320 | } |
3029 | |
3321 | |
… | |
… | |
3043 | { |
3335 | { |
3044 | if (expect_false (ev_is_active (w))) |
3336 | if (expect_false (ev_is_active (w))) |
3045 | return; |
3337 | return; |
3046 | |
3338 | |
3047 | { |
3339 | { |
3048 | struct ev_loop *loop = w->other; |
3340 | EV_P = w->other; |
3049 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3341 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3050 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3342 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3051 | } |
3343 | } |
3052 | |
3344 | |
3053 | EV_FREQUENT_CHECK; |
3345 | EV_FREQUENT_CHECK; |
… | |
… | |
3165 | |
3457 | |
3166 | void |
3458 | void |
3167 | ev_async_send (EV_P_ ev_async *w) |
3459 | ev_async_send (EV_P_ ev_async *w) |
3168 | { |
3460 | { |
3169 | w->sent = 1; |
3461 | w->sent = 1; |
3170 | evpipe_write (EV_A_ &gotasync); |
3462 | evpipe_write (EV_A_ &async_pending); |
3171 | } |
3463 | } |
3172 | #endif |
3464 | #endif |
3173 | |
3465 | |
3174 | /*****************************************************************************/ |
3466 | /*****************************************************************************/ |
3175 | |
3467 | |
… | |
… | |
3324 | if (types & EV_CHECK) |
3616 | if (types & EV_CHECK) |
3325 | for (i = checkcnt; i--; ) |
3617 | for (i = checkcnt; i--; ) |
3326 | cb (EV_A_ EV_CHECK, checks [i]); |
3618 | cb (EV_A_ EV_CHECK, checks [i]); |
3327 | |
3619 | |
3328 | if (types & EV_SIGNAL) |
3620 | if (types & EV_SIGNAL) |
3329 | for (i = 0; i < signalmax; ++i) |
3621 | for (i = 0; i < EV_NSIG - 1; ++i) |
3330 | for (wl = signals [i].head; wl; ) |
3622 | for (wl = signals [i].head; wl; ) |
3331 | { |
3623 | { |
3332 | wn = wl->next; |
3624 | wn = wl->next; |
3333 | cb (EV_A_ EV_SIGNAL, wl); |
3625 | cb (EV_A_ EV_SIGNAL, wl); |
3334 | wl = wn; |
3626 | wl = wn; |