… | |
… | |
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) |
… | |
… | |
361 | */ |
450 | */ |
362 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
451 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
363 | |
452 | |
364 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
453 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
365 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
454 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
366 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
367 | |
455 | |
368 | #if __GNUC__ >= 4 |
456 | #if __GNUC__ >= 4 |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
457 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
370 | # define noinline __attribute__ ((noinline)) |
458 | # define noinline __attribute__ ((noinline)) |
371 | #else |
459 | #else |
… | |
… | |
384 | # define inline_speed static noinline |
472 | # define inline_speed static noinline |
385 | #else |
473 | #else |
386 | # define inline_speed static inline |
474 | # define inline_speed static inline |
387 | #endif |
475 | #endif |
388 | |
476 | |
389 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
477 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
478 | |
|
|
479 | #if EV_MINPRI == EV_MAXPRI |
|
|
480 | # define ABSPRI(w) (((W)w), 0) |
|
|
481 | #else |
390 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
482 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
483 | #endif |
391 | |
484 | |
392 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
485 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
393 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
486 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
394 | |
487 | |
395 | typedef ev_watcher *W; |
488 | typedef ev_watcher *W; |
… | |
… | |
407 | |
500 | |
408 | #if EV_USE_MONOTONIC |
501 | #if EV_USE_MONOTONIC |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
502 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
410 | #endif |
503 | #endif |
411 | |
504 | |
|
|
505 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
506 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
507 | #endif |
|
|
508 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
509 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) |
|
|
510 | #endif |
|
|
511 | #ifndef EV_WIN32_CLOSE_FD |
|
|
512 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
513 | #endif |
|
|
514 | |
412 | #ifdef _WIN32 |
515 | #ifdef _WIN32 |
413 | # include "ev_win32.c" |
516 | # include "ev_win32.c" |
414 | #endif |
517 | #endif |
415 | |
518 | |
416 | /*****************************************************************************/ |
519 | /*****************************************************************************/ |
… | |
… | |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
581 | #define ev_malloc(size) ev_realloc (0, (size)) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
582 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
480 | |
583 | |
481 | /*****************************************************************************/ |
584 | /*****************************************************************************/ |
482 | |
585 | |
|
|
586 | /* set in reify when reification needed */ |
|
|
587 | #define EV_ANFD_REIFY 1 |
|
|
588 | |
483 | /* file descriptor info structure */ |
589 | /* file descriptor info structure */ |
484 | typedef struct |
590 | typedef struct |
485 | { |
591 | { |
486 | WL head; |
592 | WL head; |
487 | unsigned char events; /* the events watched for */ |
593 | unsigned char events; /* the events watched for */ |
488 | unsigned char reify; /* flag set when this ANFD needs reification */ |
594 | 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 */ |
595 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
490 | unsigned char unused; |
596 | unsigned char unused; |
491 | #if EV_USE_EPOLL |
597 | #if EV_USE_EPOLL |
492 | unsigned int egen; /* generation counter to counter epoll bugs */ |
598 | unsigned int egen; /* generation counter to counter epoll bugs */ |
493 | #endif |
599 | #endif |
… | |
… | |
555 | |
661 | |
556 | static int ev_default_loop_ptr; |
662 | static int ev_default_loop_ptr; |
557 | |
663 | |
558 | #endif |
664 | #endif |
559 | |
665 | |
|
|
666 | #if EV_MINIMAL < 2 |
|
|
667 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
668 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
669 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
670 | #else |
|
|
671 | # define EV_RELEASE_CB (void)0 |
|
|
672 | # define EV_ACQUIRE_CB (void)0 |
|
|
673 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
674 | #endif |
|
|
675 | |
|
|
676 | #define EVUNLOOP_RECURSE 0x80 |
|
|
677 | |
560 | /*****************************************************************************/ |
678 | /*****************************************************************************/ |
561 | |
679 | |
|
|
680 | #ifndef EV_HAVE_EV_TIME |
562 | ev_tstamp |
681 | ev_tstamp |
563 | ev_time (void) |
682 | ev_time (void) |
564 | { |
683 | { |
565 | #if EV_USE_REALTIME |
684 | #if EV_USE_REALTIME |
566 | if (expect_true (have_realtime)) |
685 | if (expect_true (have_realtime)) |
… | |
… | |
573 | |
692 | |
574 | struct timeval tv; |
693 | struct timeval tv; |
575 | gettimeofday (&tv, 0); |
694 | gettimeofday (&tv, 0); |
576 | return tv.tv_sec + tv.tv_usec * 1e-6; |
695 | return tv.tv_sec + tv.tv_usec * 1e-6; |
577 | } |
696 | } |
|
|
697 | #endif |
578 | |
698 | |
579 | inline_size ev_tstamp |
699 | inline_size ev_tstamp |
580 | get_clock (void) |
700 | get_clock (void) |
581 | { |
701 | { |
582 | #if EV_USE_MONOTONIC |
702 | #if EV_USE_MONOTONIC |
… | |
… | |
618 | |
738 | |
619 | tv.tv_sec = (time_t)delay; |
739 | tv.tv_sec = (time_t)delay; |
620 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
740 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
621 | |
741 | |
622 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
742 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
623 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
743 | /* something not guaranteed by newer posix versions, but guaranteed */ |
624 | /* by older ones */ |
744 | /* by older ones */ |
625 | select (0, 0, 0, 0, &tv); |
745 | select (0, 0, 0, 0, &tv); |
626 | #endif |
746 | #endif |
627 | } |
747 | } |
628 | } |
748 | } |
… | |
… | |
736 | } |
856 | } |
737 | |
857 | |
738 | /*****************************************************************************/ |
858 | /*****************************************************************************/ |
739 | |
859 | |
740 | inline_speed void |
860 | inline_speed void |
741 | fd_event (EV_P_ int fd, int revents) |
861 | fd_event_nc (EV_P_ int fd, int revents) |
742 | { |
862 | { |
743 | ANFD *anfd = anfds + fd; |
863 | ANFD *anfd = anfds + fd; |
744 | ev_io *w; |
864 | ev_io *w; |
745 | |
865 | |
746 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
866 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
750 | if (ev) |
870 | if (ev) |
751 | ev_feed_event (EV_A_ (W)w, ev); |
871 | ev_feed_event (EV_A_ (W)w, ev); |
752 | } |
872 | } |
753 | } |
873 | } |
754 | |
874 | |
|
|
875 | /* do not submit kernel events for fds that have reify set */ |
|
|
876 | /* because that means they changed while we were polling for new events */ |
|
|
877 | inline_speed void |
|
|
878 | fd_event (EV_P_ int fd, int revents) |
|
|
879 | { |
|
|
880 | ANFD *anfd = anfds + fd; |
|
|
881 | |
|
|
882 | if (expect_true (!anfd->reify)) |
|
|
883 | fd_event_nc (EV_A_ fd, revents); |
|
|
884 | } |
|
|
885 | |
755 | void |
886 | void |
756 | ev_feed_fd_event (EV_P_ int fd, int revents) |
887 | ev_feed_fd_event (EV_P_ int fd, int revents) |
757 | { |
888 | { |
758 | if (fd >= 0 && fd < anfdmax) |
889 | if (fd >= 0 && fd < anfdmax) |
759 | fd_event (EV_A_ fd, revents); |
890 | fd_event_nc (EV_A_ fd, revents); |
760 | } |
891 | } |
761 | |
892 | |
762 | /* make sure the external fd watch events are in-sync */ |
893 | /* make sure the external fd watch events are in-sync */ |
763 | /* with the kernel/libev internal state */ |
894 | /* with the kernel/libev internal state */ |
764 | inline_size void |
895 | inline_size void |
… | |
… | |
779 | |
910 | |
780 | #if EV_SELECT_IS_WINSOCKET |
911 | #if EV_SELECT_IS_WINSOCKET |
781 | if (events) |
912 | if (events) |
782 | { |
913 | { |
783 | unsigned long arg; |
914 | unsigned long arg; |
784 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
785 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
915 | 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)); |
916 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
790 | } |
917 | } |
791 | #endif |
918 | #endif |
792 | |
919 | |
793 | { |
920 | { |
… | |
… | |
864 | |
991 | |
865 | for (fd = anfdmax; fd--; ) |
992 | for (fd = anfdmax; fd--; ) |
866 | if (anfds [fd].events) |
993 | if (anfds [fd].events) |
867 | { |
994 | { |
868 | fd_kill (EV_A_ fd); |
995 | fd_kill (EV_A_ fd); |
869 | return; |
996 | break; |
870 | } |
997 | } |
871 | } |
998 | } |
872 | |
999 | |
873 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1000 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
874 | static void noinline |
1001 | static void noinline |
… | |
… | |
879 | for (fd = 0; fd < anfdmax; ++fd) |
1006 | for (fd = 0; fd < anfdmax; ++fd) |
880 | if (anfds [fd].events) |
1007 | if (anfds [fd].events) |
881 | { |
1008 | { |
882 | anfds [fd].events = 0; |
1009 | anfds [fd].events = 0; |
883 | anfds [fd].emask = 0; |
1010 | anfds [fd].emask = 0; |
884 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
1011 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
885 | } |
1012 | } |
886 | } |
1013 | } |
887 | |
1014 | |
888 | /*****************************************************************************/ |
1015 | /*****************************************************************************/ |
889 | |
1016 | |
… | |
… | |
964 | |
1091 | |
965 | for (;;) |
1092 | for (;;) |
966 | { |
1093 | { |
967 | int c = k << 1; |
1094 | int c = k << 1; |
968 | |
1095 | |
969 | if (c > N + HEAP0 - 1) |
1096 | if (c >= N + HEAP0) |
970 | break; |
1097 | break; |
971 | |
1098 | |
972 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
1099 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
973 | ? 1 : 0; |
1100 | ? 1 : 0; |
974 | |
1101 | |
… | |
… | |
1010 | |
1137 | |
1011 | /* move an element suitably so it is in a correct place */ |
1138 | /* move an element suitably so it is in a correct place */ |
1012 | inline_size void |
1139 | inline_size void |
1013 | adjustheap (ANHE *heap, int N, int k) |
1140 | adjustheap (ANHE *heap, int N, int k) |
1014 | { |
1141 | { |
1015 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
1142 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
1016 | upheap (heap, k); |
1143 | upheap (heap, k); |
1017 | else |
1144 | else |
1018 | downheap (heap, N, k); |
1145 | downheap (heap, N, k); |
1019 | } |
1146 | } |
1020 | |
1147 | |
… | |
… | |
1033 | /*****************************************************************************/ |
1160 | /*****************************************************************************/ |
1034 | |
1161 | |
1035 | /* associate signal watchers to a signal signal */ |
1162 | /* associate signal watchers to a signal signal */ |
1036 | typedef struct |
1163 | typedef struct |
1037 | { |
1164 | { |
|
|
1165 | EV_ATOMIC_T pending; |
|
|
1166 | #if EV_MULTIPLICITY |
|
|
1167 | EV_P; |
|
|
1168 | #endif |
1038 | WL head; |
1169 | WL head; |
1039 | EV_ATOMIC_T gotsig; |
|
|
1040 | } ANSIG; |
1170 | } ANSIG; |
1041 | |
1171 | |
1042 | static ANSIG *signals; |
1172 | static ANSIG signals [EV_NSIG - 1]; |
1043 | static int signalmax; |
|
|
1044 | |
|
|
1045 | static EV_ATOMIC_T gotsig; |
|
|
1046 | |
1173 | |
1047 | /*****************************************************************************/ |
1174 | /*****************************************************************************/ |
1048 | |
1175 | |
1049 | /* used to prepare libev internal fd's */ |
1176 | /* used to prepare libev internal fd's */ |
1050 | /* this is not fork-safe */ |
1177 | /* this is not fork-safe */ |
… | |
… | |
1064 | evpipe_init (EV_P) |
1191 | evpipe_init (EV_P) |
1065 | { |
1192 | { |
1066 | if (!ev_is_active (&pipe_w)) |
1193 | if (!ev_is_active (&pipe_w)) |
1067 | { |
1194 | { |
1068 | #if EV_USE_EVENTFD |
1195 | #if EV_USE_EVENTFD |
|
|
1196 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1197 | if (evfd < 0 && errno == EINVAL) |
1069 | if ((evfd = eventfd (0, 0)) >= 0) |
1198 | evfd = eventfd (0, 0); |
|
|
1199 | |
|
|
1200 | if (evfd >= 0) |
1070 | { |
1201 | { |
1071 | evpipe [0] = -1; |
1202 | evpipe [0] = -1; |
1072 | fd_intern (evfd); |
1203 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
1073 | ev_io_set (&pipe_w, evfd, EV_READ); |
1204 | ev_io_set (&pipe_w, evfd, EV_READ); |
1074 | } |
1205 | } |
1075 | else |
1206 | else |
1076 | #endif |
1207 | #endif |
1077 | { |
1208 | { |
… | |
… | |
1114 | /* called whenever the libev signal pipe */ |
1245 | /* called whenever the libev signal pipe */ |
1115 | /* got some events (signal, async) */ |
1246 | /* got some events (signal, async) */ |
1116 | static void |
1247 | static void |
1117 | pipecb (EV_P_ ev_io *iow, int revents) |
1248 | pipecb (EV_P_ ev_io *iow, int revents) |
1118 | { |
1249 | { |
|
|
1250 | int i; |
|
|
1251 | |
1119 | #if EV_USE_EVENTFD |
1252 | #if EV_USE_EVENTFD |
1120 | if (evfd >= 0) |
1253 | if (evfd >= 0) |
1121 | { |
1254 | { |
1122 | uint64_t counter; |
1255 | uint64_t counter; |
1123 | read (evfd, &counter, sizeof (uint64_t)); |
1256 | read (evfd, &counter, sizeof (uint64_t)); |
… | |
… | |
1127 | { |
1260 | { |
1128 | char dummy; |
1261 | char dummy; |
1129 | read (evpipe [0], &dummy, 1); |
1262 | read (evpipe [0], &dummy, 1); |
1130 | } |
1263 | } |
1131 | |
1264 | |
1132 | if (gotsig && ev_is_default_loop (EV_A)) |
1265 | if (sig_pending) |
1133 | { |
1266 | { |
1134 | int signum; |
1267 | sig_pending = 0; |
1135 | gotsig = 0; |
|
|
1136 | |
1268 | |
1137 | for (signum = signalmax; signum--; ) |
1269 | for (i = EV_NSIG - 1; i--; ) |
1138 | if (signals [signum].gotsig) |
1270 | if (expect_false (signals [i].pending)) |
1139 | ev_feed_signal_event (EV_A_ signum + 1); |
1271 | ev_feed_signal_event (EV_A_ i + 1); |
1140 | } |
1272 | } |
1141 | |
1273 | |
1142 | #if EV_ASYNC_ENABLE |
1274 | #if EV_ASYNC_ENABLE |
1143 | if (gotasync) |
1275 | if (async_pending) |
1144 | { |
1276 | { |
1145 | int i; |
1277 | async_pending = 0; |
1146 | gotasync = 0; |
|
|
1147 | |
1278 | |
1148 | for (i = asynccnt; i--; ) |
1279 | for (i = asynccnt; i--; ) |
1149 | if (asyncs [i]->sent) |
1280 | if (asyncs [i]->sent) |
1150 | { |
1281 | { |
1151 | asyncs [i]->sent = 0; |
1282 | asyncs [i]->sent = 0; |
… | |
… | |
1159 | |
1290 | |
1160 | static void |
1291 | static void |
1161 | ev_sighandler (int signum) |
1292 | ev_sighandler (int signum) |
1162 | { |
1293 | { |
1163 | #if EV_MULTIPLICITY |
1294 | #if EV_MULTIPLICITY |
1164 | struct ev_loop *loop = &default_loop_struct; |
1295 | EV_P = signals [signum - 1].loop; |
1165 | #endif |
1296 | #endif |
1166 | |
1297 | |
1167 | #if _WIN32 |
1298 | #if _WIN32 |
1168 | signal (signum, ev_sighandler); |
1299 | signal (signum, ev_sighandler); |
1169 | #endif |
1300 | #endif |
1170 | |
1301 | |
1171 | signals [signum - 1].gotsig = 1; |
1302 | signals [signum - 1].pending = 1; |
1172 | evpipe_write (EV_A_ &gotsig); |
1303 | evpipe_write (EV_A_ &sig_pending); |
1173 | } |
1304 | } |
1174 | |
1305 | |
1175 | void noinline |
1306 | void noinline |
1176 | ev_feed_signal_event (EV_P_ int signum) |
1307 | ev_feed_signal_event (EV_P_ int signum) |
1177 | { |
1308 | { |
1178 | WL w; |
1309 | WL w; |
1179 | |
1310 | |
|
|
1311 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1312 | return; |
|
|
1313 | |
|
|
1314 | --signum; |
|
|
1315 | |
1180 | #if EV_MULTIPLICITY |
1316 | #if EV_MULTIPLICITY |
1181 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
1317 | /* it is permissible to try to feed a signal to the wrong loop */ |
1182 | #endif |
1318 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
1183 | |
1319 | |
1184 | --signum; |
1320 | if (expect_false (signals [signum].loop != EV_A)) |
1185 | |
|
|
1186 | if (signum < 0 || signum >= signalmax) |
|
|
1187 | return; |
1321 | return; |
|
|
1322 | #endif |
1188 | |
1323 | |
1189 | signals [signum].gotsig = 0; |
1324 | signals [signum].pending = 0; |
1190 | |
1325 | |
1191 | for (w = signals [signum].head; w; w = w->next) |
1326 | for (w = signals [signum].head; w; w = w->next) |
1192 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1327 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1193 | } |
1328 | } |
|
|
1329 | |
|
|
1330 | #if EV_USE_SIGNALFD |
|
|
1331 | static void |
|
|
1332 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1333 | { |
|
|
1334 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1335 | |
|
|
1336 | for (;;) |
|
|
1337 | { |
|
|
1338 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1339 | |
|
|
1340 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1341 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1342 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1343 | |
|
|
1344 | if (res < (ssize_t)sizeof (si)) |
|
|
1345 | break; |
|
|
1346 | } |
|
|
1347 | } |
|
|
1348 | #endif |
1194 | |
1349 | |
1195 | /*****************************************************************************/ |
1350 | /*****************************************************************************/ |
1196 | |
1351 | |
1197 | static WL childs [EV_PID_HASHSIZE]; |
1352 | static WL childs [EV_PID_HASHSIZE]; |
1198 | |
1353 | |
… | |
… | |
1343 | ev_backend (EV_P) |
1498 | ev_backend (EV_P) |
1344 | { |
1499 | { |
1345 | return backend; |
1500 | return backend; |
1346 | } |
1501 | } |
1347 | |
1502 | |
|
|
1503 | #if EV_MINIMAL < 2 |
1348 | unsigned int |
1504 | unsigned int |
1349 | ev_loop_count (EV_P) |
1505 | ev_loop_count (EV_P) |
1350 | { |
1506 | { |
1351 | return loop_count; |
1507 | return loop_count; |
1352 | } |
1508 | } |
1353 | |
1509 | |
|
|
1510 | unsigned int |
|
|
1511 | ev_loop_depth (EV_P) |
|
|
1512 | { |
|
|
1513 | return loop_depth; |
|
|
1514 | } |
|
|
1515 | |
1354 | void |
1516 | void |
1355 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1517 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1356 | { |
1518 | { |
1357 | io_blocktime = interval; |
1519 | io_blocktime = interval; |
1358 | } |
1520 | } |
… | |
… | |
1360 | void |
1522 | void |
1361 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1523 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1362 | { |
1524 | { |
1363 | timeout_blocktime = interval; |
1525 | timeout_blocktime = interval; |
1364 | } |
1526 | } |
|
|
1527 | |
|
|
1528 | void |
|
|
1529 | ev_set_userdata (EV_P_ void *data) |
|
|
1530 | { |
|
|
1531 | userdata = data; |
|
|
1532 | } |
|
|
1533 | |
|
|
1534 | void * |
|
|
1535 | ev_userdata (EV_P) |
|
|
1536 | { |
|
|
1537 | return userdata; |
|
|
1538 | } |
|
|
1539 | |
|
|
1540 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1541 | { |
|
|
1542 | invoke_cb = invoke_pending_cb; |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1546 | { |
|
|
1547 | release_cb = release; |
|
|
1548 | acquire_cb = acquire; |
|
|
1549 | } |
|
|
1550 | #endif |
1365 | |
1551 | |
1366 | /* initialise a loop structure, must be zero-initialised */ |
1552 | /* initialise a loop structure, must be zero-initialised */ |
1367 | static void noinline |
1553 | static void noinline |
1368 | loop_init (EV_P_ unsigned int flags) |
1554 | loop_init (EV_P_ unsigned int flags) |
1369 | { |
1555 | { |
… | |
… | |
1387 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1573 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1388 | have_monotonic = 1; |
1574 | have_monotonic = 1; |
1389 | } |
1575 | } |
1390 | #endif |
1576 | #endif |
1391 | |
1577 | |
|
|
1578 | /* pid check not overridable via env */ |
|
|
1579 | #ifndef _WIN32 |
|
|
1580 | if (flags & EVFLAG_FORKCHECK) |
|
|
1581 | curpid = getpid (); |
|
|
1582 | #endif |
|
|
1583 | |
|
|
1584 | if (!(flags & EVFLAG_NOENV) |
|
|
1585 | && !enable_secure () |
|
|
1586 | && getenv ("LIBEV_FLAGS")) |
|
|
1587 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1588 | |
1392 | ev_rt_now = ev_time (); |
1589 | ev_rt_now = ev_time (); |
1393 | mn_now = get_clock (); |
1590 | mn_now = get_clock (); |
1394 | now_floor = mn_now; |
1591 | now_floor = mn_now; |
1395 | rtmn_diff = ev_rt_now - mn_now; |
1592 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1593 | #if EV_MINIMAL < 2 |
|
|
1594 | invoke_cb = ev_invoke_pending; |
|
|
1595 | #endif |
1396 | |
1596 | |
1397 | io_blocktime = 0.; |
1597 | io_blocktime = 0.; |
1398 | timeout_blocktime = 0.; |
1598 | timeout_blocktime = 0.; |
1399 | backend = 0; |
1599 | backend = 0; |
1400 | backend_fd = -1; |
1600 | backend_fd = -1; |
1401 | gotasync = 0; |
1601 | sig_pending = 0; |
|
|
1602 | #if EV_ASYNC_ENABLE |
|
|
1603 | async_pending = 0; |
|
|
1604 | #endif |
1402 | #if EV_USE_INOTIFY |
1605 | #if EV_USE_INOTIFY |
1403 | fs_fd = -2; |
1606 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
1404 | #endif |
1607 | #endif |
1405 | |
1608 | #if EV_USE_SIGNALFD |
1406 | /* pid check not overridable via env */ |
1609 | sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; |
1407 | #ifndef _WIN32 |
|
|
1408 | if (flags & EVFLAG_FORKCHECK) |
|
|
1409 | curpid = getpid (); |
|
|
1410 | #endif |
1610 | #endif |
1411 | |
|
|
1412 | if (!(flags & EVFLAG_NOENV) |
|
|
1413 | && !enable_secure () |
|
|
1414 | && getenv ("LIBEV_FLAGS")) |
|
|
1415 | flags = atoi (getenv ("LIBEV_FLAGS")); |
|
|
1416 | |
1611 | |
1417 | if (!(flags & 0x0000ffffU)) |
1612 | if (!(flags & 0x0000ffffU)) |
1418 | flags |= ev_recommended_backends (); |
1613 | flags |= ev_recommended_backends (); |
1419 | |
1614 | |
1420 | #if EV_USE_PORT |
1615 | #if EV_USE_PORT |
… | |
… | |
1446 | { |
1641 | { |
1447 | int i; |
1642 | int i; |
1448 | |
1643 | |
1449 | if (ev_is_active (&pipe_w)) |
1644 | if (ev_is_active (&pipe_w)) |
1450 | { |
1645 | { |
1451 | ev_ref (EV_A); /* signal watcher */ |
1646 | /*ev_ref (EV_A);*/ |
1452 | ev_io_stop (EV_A_ &pipe_w); |
1647 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
1453 | |
1648 | |
1454 | #if EV_USE_EVENTFD |
1649 | #if EV_USE_EVENTFD |
1455 | if (evfd >= 0) |
1650 | if (evfd >= 0) |
1456 | close (evfd); |
1651 | close (evfd); |
1457 | #endif |
1652 | #endif |
1458 | |
1653 | |
1459 | if (evpipe [0] >= 0) |
1654 | if (evpipe [0] >= 0) |
1460 | { |
1655 | { |
1461 | close (evpipe [0]); |
1656 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1462 | close (evpipe [1]); |
1657 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1463 | } |
1658 | } |
1464 | } |
1659 | } |
|
|
1660 | |
|
|
1661 | #if EV_USE_SIGNALFD |
|
|
1662 | if (ev_is_active (&sigfd_w)) |
|
|
1663 | close (sigfd); |
|
|
1664 | #endif |
1465 | |
1665 | |
1466 | #if EV_USE_INOTIFY |
1666 | #if EV_USE_INOTIFY |
1467 | if (fs_fd >= 0) |
1667 | if (fs_fd >= 0) |
1468 | close (fs_fd); |
1668 | close (fs_fd); |
1469 | #endif |
1669 | #endif |
… | |
… | |
1493 | #if EV_IDLE_ENABLE |
1693 | #if EV_IDLE_ENABLE |
1494 | array_free (idle, [i]); |
1694 | array_free (idle, [i]); |
1495 | #endif |
1695 | #endif |
1496 | } |
1696 | } |
1497 | |
1697 | |
1498 | ev_free (anfds); anfdmax = 0; |
1698 | ev_free (anfds); anfds = 0; anfdmax = 0; |
1499 | |
1699 | |
1500 | /* have to use the microsoft-never-gets-it-right macro */ |
1700 | /* have to use the microsoft-never-gets-it-right macro */ |
1501 | array_free (rfeed, EMPTY); |
1701 | array_free (rfeed, EMPTY); |
1502 | array_free (fdchange, EMPTY); |
1702 | array_free (fdchange, EMPTY); |
1503 | array_free (timer, EMPTY); |
1703 | array_free (timer, EMPTY); |
… | |
… | |
1538 | |
1738 | |
1539 | if (ev_is_active (&pipe_w)) |
1739 | if (ev_is_active (&pipe_w)) |
1540 | { |
1740 | { |
1541 | /* this "locks" the handlers against writing to the pipe */ |
1741 | /* this "locks" the handlers against writing to the pipe */ |
1542 | /* while we modify the fd vars */ |
1742 | /* while we modify the fd vars */ |
1543 | gotsig = 1; |
1743 | sig_pending = 1; |
1544 | #if EV_ASYNC_ENABLE |
1744 | #if EV_ASYNC_ENABLE |
1545 | gotasync = 1; |
1745 | async_pending = 1; |
1546 | #endif |
1746 | #endif |
1547 | |
1747 | |
1548 | ev_ref (EV_A); |
1748 | ev_ref (EV_A); |
1549 | ev_io_stop (EV_A_ &pipe_w); |
1749 | ev_io_stop (EV_A_ &pipe_w); |
1550 | |
1750 | |
… | |
… | |
1553 | close (evfd); |
1753 | close (evfd); |
1554 | #endif |
1754 | #endif |
1555 | |
1755 | |
1556 | if (evpipe [0] >= 0) |
1756 | if (evpipe [0] >= 0) |
1557 | { |
1757 | { |
1558 | close (evpipe [0]); |
1758 | EV_WIN32_CLOSE_FD (evpipe [0]); |
1559 | close (evpipe [1]); |
1759 | EV_WIN32_CLOSE_FD (evpipe [1]); |
1560 | } |
1760 | } |
1561 | |
1761 | |
1562 | evpipe_init (EV_A); |
1762 | evpipe_init (EV_A); |
1563 | /* now iterate over everything, in case we missed something */ |
1763 | /* now iterate over everything, in case we missed something */ |
1564 | pipecb (EV_A_ &pipe_w, EV_READ); |
1764 | pipecb (EV_A_ &pipe_w, EV_READ); |
… | |
… | |
1570 | #if EV_MULTIPLICITY |
1770 | #if EV_MULTIPLICITY |
1571 | |
1771 | |
1572 | struct ev_loop * |
1772 | struct ev_loop * |
1573 | ev_loop_new (unsigned int flags) |
1773 | ev_loop_new (unsigned int flags) |
1574 | { |
1774 | { |
1575 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1775 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1576 | |
1776 | |
1577 | memset (loop, 0, sizeof (struct ev_loop)); |
1777 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1578 | |
|
|
1579 | loop_init (EV_A_ flags); |
1778 | loop_init (EV_A_ flags); |
1580 | |
1779 | |
1581 | if (ev_backend (EV_A)) |
1780 | if (ev_backend (EV_A)) |
1582 | return loop; |
1781 | return EV_A; |
1583 | |
1782 | |
1584 | return 0; |
1783 | return 0; |
1585 | } |
1784 | } |
1586 | |
1785 | |
1587 | void |
1786 | void |
… | |
… | |
1594 | void |
1793 | void |
1595 | ev_loop_fork (EV_P) |
1794 | ev_loop_fork (EV_P) |
1596 | { |
1795 | { |
1597 | postfork = 1; /* must be in line with ev_default_fork */ |
1796 | postfork = 1; /* must be in line with ev_default_fork */ |
1598 | } |
1797 | } |
|
|
1798 | #endif /* multiplicity */ |
1599 | |
1799 | |
1600 | #if EV_VERIFY |
1800 | #if EV_VERIFY |
1601 | static void noinline |
1801 | static void noinline |
1602 | verify_watcher (EV_P_ W w) |
1802 | verify_watcher (EV_P_ W w) |
1603 | { |
1803 | { |
… | |
… | |
1631 | verify_watcher (EV_A_ ws [cnt]); |
1831 | verify_watcher (EV_A_ ws [cnt]); |
1632 | } |
1832 | } |
1633 | } |
1833 | } |
1634 | #endif |
1834 | #endif |
1635 | |
1835 | |
|
|
1836 | #if EV_MINIMAL < 2 |
1636 | void |
1837 | void |
1637 | ev_loop_verify (EV_P) |
1838 | ev_loop_verify (EV_P) |
1638 | { |
1839 | { |
1639 | #if EV_VERIFY |
1840 | #if EV_VERIFY |
1640 | int i; |
1841 | int i; |
… | |
… | |
1689 | assert (checkmax >= checkcnt); |
1890 | assert (checkmax >= checkcnt); |
1690 | array_verify (EV_A_ (W *)checks, checkcnt); |
1891 | array_verify (EV_A_ (W *)checks, checkcnt); |
1691 | |
1892 | |
1692 | # if 0 |
1893 | # if 0 |
1693 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1894 | 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) |
1895 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
1695 | # endif |
|
|
1696 | #endif |
1896 | # endif |
|
|
1897 | #endif |
1697 | } |
1898 | } |
1698 | |
1899 | #endif |
1699 | #endif /* multiplicity */ |
|
|
1700 | |
1900 | |
1701 | #if EV_MULTIPLICITY |
1901 | #if EV_MULTIPLICITY |
1702 | struct ev_loop * |
1902 | struct ev_loop * |
1703 | ev_default_loop_init (unsigned int flags) |
1903 | ev_default_loop_init (unsigned int flags) |
1704 | #else |
1904 | #else |
… | |
… | |
1707 | #endif |
1907 | #endif |
1708 | { |
1908 | { |
1709 | if (!ev_default_loop_ptr) |
1909 | if (!ev_default_loop_ptr) |
1710 | { |
1910 | { |
1711 | #if EV_MULTIPLICITY |
1911 | #if EV_MULTIPLICITY |
1712 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1912 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1713 | #else |
1913 | #else |
1714 | ev_default_loop_ptr = 1; |
1914 | ev_default_loop_ptr = 1; |
1715 | #endif |
1915 | #endif |
1716 | |
1916 | |
1717 | loop_init (EV_A_ flags); |
1917 | loop_init (EV_A_ flags); |
… | |
… | |
1734 | |
1934 | |
1735 | void |
1935 | void |
1736 | ev_default_destroy (void) |
1936 | ev_default_destroy (void) |
1737 | { |
1937 | { |
1738 | #if EV_MULTIPLICITY |
1938 | #if EV_MULTIPLICITY |
1739 | struct ev_loop *loop = ev_default_loop_ptr; |
1939 | EV_P = ev_default_loop_ptr; |
1740 | #endif |
1940 | #endif |
1741 | |
1941 | |
1742 | ev_default_loop_ptr = 0; |
1942 | ev_default_loop_ptr = 0; |
1743 | |
1943 | |
1744 | #ifndef _WIN32 |
1944 | #ifndef _WIN32 |
… | |
… | |
1751 | |
1951 | |
1752 | void |
1952 | void |
1753 | ev_default_fork (void) |
1953 | ev_default_fork (void) |
1754 | { |
1954 | { |
1755 | #if EV_MULTIPLICITY |
1955 | #if EV_MULTIPLICITY |
1756 | struct ev_loop *loop = ev_default_loop_ptr; |
1956 | EV_P = ev_default_loop_ptr; |
1757 | #endif |
1957 | #endif |
1758 | |
1958 | |
1759 | postfork = 1; /* must be in line with ev_loop_fork */ |
1959 | postfork = 1; /* must be in line with ev_loop_fork */ |
1760 | } |
1960 | } |
1761 | |
1961 | |
… | |
… | |
1765 | ev_invoke (EV_P_ void *w, int revents) |
1965 | ev_invoke (EV_P_ void *w, int revents) |
1766 | { |
1966 | { |
1767 | EV_CB_INVOKE ((W)w, revents); |
1967 | EV_CB_INVOKE ((W)w, revents); |
1768 | } |
1968 | } |
1769 | |
1969 | |
1770 | inline_speed void |
1970 | unsigned int |
1771 | call_pending (EV_P) |
1971 | ev_pending_count (EV_P) |
|
|
1972 | { |
|
|
1973 | int pri; |
|
|
1974 | unsigned int count = 0; |
|
|
1975 | |
|
|
1976 | for (pri = NUMPRI; pri--; ) |
|
|
1977 | count += pendingcnt [pri]; |
|
|
1978 | |
|
|
1979 | return count; |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | void noinline |
|
|
1983 | ev_invoke_pending (EV_P) |
1772 | { |
1984 | { |
1773 | int pri; |
1985 | int pri; |
1774 | |
1986 | |
1775 | for (pri = NUMPRI; pri--; ) |
1987 | for (pri = NUMPRI; pri--; ) |
1776 | while (pendingcnt [pri]) |
1988 | while (pendingcnt [pri]) |
… | |
… | |
2011 | |
2223 | |
2012 | mn_now = ev_rt_now; |
2224 | mn_now = ev_rt_now; |
2013 | } |
2225 | } |
2014 | } |
2226 | } |
2015 | |
2227 | |
2016 | static int loop_done; |
|
|
2017 | |
|
|
2018 | void |
2228 | void |
2019 | ev_loop (EV_P_ int flags) |
2229 | ev_loop (EV_P_ int flags) |
2020 | { |
2230 | { |
|
|
2231 | #if EV_MINIMAL < 2 |
|
|
2232 | ++loop_depth; |
|
|
2233 | #endif |
|
|
2234 | |
|
|
2235 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2236 | |
2021 | loop_done = EVUNLOOP_CANCEL; |
2237 | loop_done = EVUNLOOP_CANCEL; |
2022 | |
2238 | |
2023 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2239 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2024 | |
2240 | |
2025 | do |
2241 | do |
2026 | { |
2242 | { |
2027 | #if EV_VERIFY >= 2 |
2243 | #if EV_VERIFY >= 2 |
2028 | ev_loop_verify (EV_A); |
2244 | ev_loop_verify (EV_A); |
… | |
… | |
2041 | /* we might have forked, so queue fork handlers */ |
2257 | /* we might have forked, so queue fork handlers */ |
2042 | if (expect_false (postfork)) |
2258 | if (expect_false (postfork)) |
2043 | if (forkcnt) |
2259 | if (forkcnt) |
2044 | { |
2260 | { |
2045 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2261 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2046 | call_pending (EV_A); |
2262 | EV_INVOKE_PENDING; |
2047 | } |
2263 | } |
2048 | #endif |
2264 | #endif |
2049 | |
2265 | |
2050 | /* queue prepare watchers (and execute them) */ |
2266 | /* queue prepare watchers (and execute them) */ |
2051 | if (expect_false (preparecnt)) |
2267 | if (expect_false (preparecnt)) |
2052 | { |
2268 | { |
2053 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2269 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2054 | call_pending (EV_A); |
2270 | EV_INVOKE_PENDING; |
2055 | } |
2271 | } |
|
|
2272 | |
|
|
2273 | if (expect_false (loop_done)) |
|
|
2274 | break; |
2056 | |
2275 | |
2057 | /* we might have forked, so reify kernel state if necessary */ |
2276 | /* we might have forked, so reify kernel state if necessary */ |
2058 | if (expect_false (postfork)) |
2277 | if (expect_false (postfork)) |
2059 | loop_fork (EV_A); |
2278 | loop_fork (EV_A); |
2060 | |
2279 | |
… | |
… | |
2066 | ev_tstamp waittime = 0.; |
2285 | ev_tstamp waittime = 0.; |
2067 | ev_tstamp sleeptime = 0.; |
2286 | ev_tstamp sleeptime = 0.; |
2068 | |
2287 | |
2069 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2288 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2070 | { |
2289 | { |
|
|
2290 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2291 | ev_tstamp prev_mn_now = mn_now; |
|
|
2292 | |
2071 | /* update time to cancel out callback processing overhead */ |
2293 | /* update time to cancel out callback processing overhead */ |
2072 | time_update (EV_A_ 1e100); |
2294 | time_update (EV_A_ 1e100); |
2073 | |
2295 | |
2074 | waittime = MAX_BLOCKTIME; |
2296 | waittime = MAX_BLOCKTIME; |
2075 | |
2297 | |
… | |
… | |
2085 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2307 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2086 | if (waittime > to) waittime = to; |
2308 | if (waittime > to) waittime = to; |
2087 | } |
2309 | } |
2088 | #endif |
2310 | #endif |
2089 | |
2311 | |
|
|
2312 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2090 | if (expect_false (waittime < timeout_blocktime)) |
2313 | if (expect_false (waittime < timeout_blocktime)) |
2091 | waittime = timeout_blocktime; |
2314 | waittime = timeout_blocktime; |
2092 | |
2315 | |
2093 | sleeptime = waittime - backend_fudge; |
2316 | /* extra check because io_blocktime is commonly 0 */ |
2094 | |
|
|
2095 | if (expect_true (sleeptime > io_blocktime)) |
2317 | if (expect_false (io_blocktime)) |
2096 | sleeptime = io_blocktime; |
|
|
2097 | |
|
|
2098 | if (sleeptime) |
|
|
2099 | { |
2318 | { |
|
|
2319 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2320 | |
|
|
2321 | if (sleeptime > waittime - backend_fudge) |
|
|
2322 | sleeptime = waittime - backend_fudge; |
|
|
2323 | |
|
|
2324 | if (expect_true (sleeptime > 0.)) |
|
|
2325 | { |
2100 | ev_sleep (sleeptime); |
2326 | ev_sleep (sleeptime); |
2101 | waittime -= sleeptime; |
2327 | waittime -= sleeptime; |
|
|
2328 | } |
2102 | } |
2329 | } |
2103 | } |
2330 | } |
2104 | |
2331 | |
|
|
2332 | #if EV_MINIMAL < 2 |
2105 | ++loop_count; |
2333 | ++loop_count; |
|
|
2334 | #endif |
|
|
2335 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2106 | backend_poll (EV_A_ waittime); |
2336 | backend_poll (EV_A_ waittime); |
|
|
2337 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2107 | |
2338 | |
2108 | /* update ev_rt_now, do magic */ |
2339 | /* update ev_rt_now, do magic */ |
2109 | time_update (EV_A_ waittime + sleeptime); |
2340 | time_update (EV_A_ waittime + sleeptime); |
2110 | } |
2341 | } |
2111 | |
2342 | |
… | |
… | |
2122 | |
2353 | |
2123 | /* queue check watchers, to be executed first */ |
2354 | /* queue check watchers, to be executed first */ |
2124 | if (expect_false (checkcnt)) |
2355 | if (expect_false (checkcnt)) |
2125 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2356 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2126 | |
2357 | |
2127 | call_pending (EV_A); |
2358 | EV_INVOKE_PENDING; |
2128 | } |
2359 | } |
2129 | while (expect_true ( |
2360 | while (expect_true ( |
2130 | activecnt |
2361 | activecnt |
2131 | && !loop_done |
2362 | && !loop_done |
2132 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2363 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2133 | )); |
2364 | )); |
2134 | |
2365 | |
2135 | if (loop_done == EVUNLOOP_ONE) |
2366 | if (loop_done == EVUNLOOP_ONE) |
2136 | loop_done = EVUNLOOP_CANCEL; |
2367 | loop_done = EVUNLOOP_CANCEL; |
|
|
2368 | |
|
|
2369 | #if EV_MINIMAL < 2 |
|
|
2370 | --loop_depth; |
|
|
2371 | #endif |
2137 | } |
2372 | } |
2138 | |
2373 | |
2139 | void |
2374 | void |
2140 | ev_unloop (EV_P_ int how) |
2375 | ev_unloop (EV_P_ int how) |
2141 | { |
2376 | { |
… | |
… | |
2192 | inline_size void |
2427 | inline_size void |
2193 | wlist_del (WL *head, WL elem) |
2428 | wlist_del (WL *head, WL elem) |
2194 | { |
2429 | { |
2195 | while (*head) |
2430 | while (*head) |
2196 | { |
2431 | { |
2197 | if (*head == elem) |
2432 | if (expect_true (*head == elem)) |
2198 | { |
2433 | { |
2199 | *head = elem->next; |
2434 | *head = elem->next; |
2200 | return; |
2435 | break; |
2201 | } |
2436 | } |
2202 | |
2437 | |
2203 | head = &(*head)->next; |
2438 | head = &(*head)->next; |
2204 | } |
2439 | } |
2205 | } |
2440 | } |
… | |
… | |
2233 | } |
2468 | } |
2234 | |
2469 | |
2235 | inline_size void |
2470 | inline_size void |
2236 | pri_adjust (EV_P_ W w) |
2471 | pri_adjust (EV_P_ W w) |
2237 | { |
2472 | { |
2238 | int pri = w->priority; |
2473 | int pri = ev_priority (w); |
2239 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2474 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2240 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2475 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2241 | w->priority = pri; |
2476 | ev_set_priority (w, pri); |
2242 | } |
2477 | } |
2243 | |
2478 | |
2244 | inline_speed void |
2479 | inline_speed void |
2245 | ev_start (EV_P_ W w, int active) |
2480 | ev_start (EV_P_ W w, int active) |
2246 | { |
2481 | { |
… | |
… | |
2273 | |
2508 | |
2274 | ev_start (EV_A_ (W)w, 1); |
2509 | ev_start (EV_A_ (W)w, 1); |
2275 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2510 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2276 | wlist_add (&anfds[fd].head, (WL)w); |
2511 | wlist_add (&anfds[fd].head, (WL)w); |
2277 | |
2512 | |
2278 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
2513 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2279 | w->events &= ~EV__IOFDSET; |
2514 | w->events &= ~EV__IOFDSET; |
2280 | |
2515 | |
2281 | EV_FREQUENT_CHECK; |
2516 | EV_FREQUENT_CHECK; |
2282 | } |
2517 | } |
2283 | |
2518 | |
… | |
… | |
2377 | } |
2612 | } |
2378 | |
2613 | |
2379 | EV_FREQUENT_CHECK; |
2614 | EV_FREQUENT_CHECK; |
2380 | } |
2615 | } |
2381 | |
2616 | |
|
|
2617 | ev_tstamp |
|
|
2618 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2619 | { |
|
|
2620 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
|
|
2621 | } |
|
|
2622 | |
2382 | #if EV_PERIODIC_ENABLE |
2623 | #if EV_PERIODIC_ENABLE |
2383 | void noinline |
2624 | void noinline |
2384 | ev_periodic_start (EV_P_ ev_periodic *w) |
2625 | ev_periodic_start (EV_P_ ev_periodic *w) |
2385 | { |
2626 | { |
2386 | if (expect_false (ev_is_active (w))) |
2627 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2453 | #endif |
2694 | #endif |
2454 | |
2695 | |
2455 | void noinline |
2696 | void noinline |
2456 | ev_signal_start (EV_P_ ev_signal *w) |
2697 | ev_signal_start (EV_P_ ev_signal *w) |
2457 | { |
2698 | { |
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))) |
2699 | if (expect_false (ev_is_active (w))) |
2462 | return; |
2700 | return; |
2463 | |
2701 | |
2464 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
2702 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
2465 | |
2703 | |
2466 | evpipe_init (EV_A); |
2704 | #if EV_MULTIPLICITY |
|
|
2705 | assert (("libev: a signal must not be attached to two different loops", |
|
|
2706 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
2467 | |
2707 | |
2468 | EV_FREQUENT_CHECK; |
2708 | signals [w->signum - 1].loop = EV_A; |
|
|
2709 | #endif |
2469 | |
2710 | |
|
|
2711 | EV_FREQUENT_CHECK; |
|
|
2712 | |
|
|
2713 | #if EV_USE_SIGNALFD |
|
|
2714 | if (sigfd == -2) |
2470 | { |
2715 | { |
2471 | #ifndef _WIN32 |
2716 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
2472 | sigset_t full, prev; |
2717 | if (sigfd < 0 && errno == EINVAL) |
2473 | sigfillset (&full); |
2718 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
2474 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2475 | #endif |
|
|
2476 | |
2719 | |
2477 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
2720 | if (sigfd >= 0) |
|
|
2721 | { |
|
|
2722 | fd_intern (sigfd); /* doing it twice will not hurt */ |
2478 | |
2723 | |
2479 | #ifndef _WIN32 |
2724 | sigemptyset (&sigfd_set); |
2480 | sigprocmask (SIG_SETMASK, &prev, 0); |
2725 | |
2481 | #endif |
2726 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2727 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2728 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2729 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2730 | } |
2482 | } |
2731 | } |
|
|
2732 | |
|
|
2733 | if (sigfd >= 0) |
|
|
2734 | { |
|
|
2735 | /* TODO: check .head */ |
|
|
2736 | sigaddset (&sigfd_set, w->signum); |
|
|
2737 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2738 | |
|
|
2739 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2740 | } |
|
|
2741 | #endif |
2483 | |
2742 | |
2484 | ev_start (EV_A_ (W)w, 1); |
2743 | ev_start (EV_A_ (W)w, 1); |
2485 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2744 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2486 | |
2745 | |
2487 | if (!((WL)w)->next) |
2746 | if (!((WL)w)->next) |
|
|
2747 | # if EV_USE_SIGNALFD |
|
|
2748 | if (sigfd < 0) /*TODO*/ |
|
|
2749 | # endif |
2488 | { |
2750 | { |
2489 | #if _WIN32 |
2751 | # if _WIN32 |
|
|
2752 | evpipe_init (EV_A); |
|
|
2753 | |
2490 | signal (w->signum, ev_sighandler); |
2754 | signal (w->signum, ev_sighandler); |
2491 | #else |
2755 | # else |
2492 | struct sigaction sa; |
2756 | struct sigaction sa; |
|
|
2757 | |
|
|
2758 | evpipe_init (EV_A); |
|
|
2759 | |
2493 | sa.sa_handler = ev_sighandler; |
2760 | sa.sa_handler = ev_sighandler; |
2494 | sigfillset (&sa.sa_mask); |
2761 | sigfillset (&sa.sa_mask); |
2495 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2762 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2496 | sigaction (w->signum, &sa, 0); |
2763 | sigaction (w->signum, &sa, 0); |
|
|
2764 | |
|
|
2765 | sigemptyset (&sa.sa_mask); |
|
|
2766 | sigaddset (&sa.sa_mask, w->signum); |
|
|
2767 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
2497 | #endif |
2768 | #endif |
2498 | } |
2769 | } |
2499 | |
2770 | |
2500 | EV_FREQUENT_CHECK; |
2771 | EV_FREQUENT_CHECK; |
2501 | } |
2772 | } |
2502 | |
2773 | |
2503 | void noinline |
2774 | void noinline |
… | |
… | |
2511 | |
2782 | |
2512 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2783 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2513 | ev_stop (EV_A_ (W)w); |
2784 | ev_stop (EV_A_ (W)w); |
2514 | |
2785 | |
2515 | if (!signals [w->signum - 1].head) |
2786 | if (!signals [w->signum - 1].head) |
|
|
2787 | { |
|
|
2788 | #if EV_MULTIPLICITY |
|
|
2789 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
2790 | #endif |
|
|
2791 | #if EV_USE_SIGNALFD |
|
|
2792 | if (sigfd >= 0) |
|
|
2793 | { |
|
|
2794 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2795 | sigdelset (&sigfd_set, w->signum); |
|
|
2796 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2797 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2798 | /*TODO: maybe unblock signal? */ |
|
|
2799 | } |
|
|
2800 | else |
|
|
2801 | #endif |
2516 | signal (w->signum, SIG_DFL); |
2802 | signal (w->signum, SIG_DFL); |
|
|
2803 | } |
2517 | |
2804 | |
2518 | EV_FREQUENT_CHECK; |
2805 | EV_FREQUENT_CHECK; |
2519 | } |
2806 | } |
2520 | |
2807 | |
2521 | void |
2808 | void |
… | |
… | |
2601 | } |
2888 | } |
2602 | } |
2889 | } |
2603 | |
2890 | |
2604 | if (w->wd >= 0) |
2891 | if (w->wd >= 0) |
2605 | { |
2892 | { |
|
|
2893 | struct statfs sfs; |
|
|
2894 | |
2606 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2895 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2607 | |
2896 | |
2608 | /* now local changes will be tracked by inotify, but remote changes won't */ |
2897 | /* 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 */ |
2898 | /* unless the filesystem is known to be local, we therefore still poll */ |
2610 | /* also do poll on <2.6.25, but with normal frequency */ |
2899 | /* also do poll on <2.6.25, but with normal frequency */ |
2611 | struct statfs sfs; |
|
|
2612 | |
2900 | |
2613 | if (fs_2625 && !statfs (w->path, &sfs)) |
2901 | if (fs_2625 && !statfs (w->path, &sfs)) |
2614 | if (sfs.f_type == 0x1373 /* devfs */ |
2902 | if (sfs.f_type == 0x1373 /* devfs */ |
2615 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2903 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
2616 | || sfs.f_type == 0x3153464a /* jfs */ |
2904 | || sfs.f_type == 0x3153464a /* jfs */ |
… | |
… | |
2705 | return; |
2993 | return; |
2706 | |
2994 | |
2707 | fs_2625 = 1; |
2995 | fs_2625 = 1; |
2708 | } |
2996 | } |
2709 | |
2997 | |
|
|
2998 | inline_size int |
|
|
2999 | infy_newfd (void) |
|
|
3000 | { |
|
|
3001 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3002 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3003 | if (fd >= 0) |
|
|
3004 | return fd; |
|
|
3005 | #endif |
|
|
3006 | return inotify_init (); |
|
|
3007 | } |
|
|
3008 | |
2710 | inline_size void |
3009 | inline_size void |
2711 | infy_init (EV_P) |
3010 | infy_init (EV_P) |
2712 | { |
3011 | { |
2713 | if (fs_fd != -2) |
3012 | if (fs_fd != -2) |
2714 | return; |
3013 | return; |
2715 | |
3014 | |
2716 | fs_fd = -1; |
3015 | fs_fd = -1; |
2717 | |
3016 | |
2718 | check_2625 (EV_A); |
3017 | check_2625 (EV_A); |
2719 | |
3018 | |
2720 | fs_fd = inotify_init (); |
3019 | fs_fd = infy_newfd (); |
2721 | |
3020 | |
2722 | if (fs_fd >= 0) |
3021 | if (fs_fd >= 0) |
2723 | { |
3022 | { |
|
|
3023 | fd_intern (fs_fd); |
2724 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3024 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2725 | ev_set_priority (&fs_w, EV_MAXPRI); |
3025 | ev_set_priority (&fs_w, EV_MAXPRI); |
2726 | ev_io_start (EV_A_ &fs_w); |
3026 | ev_io_start (EV_A_ &fs_w); |
|
|
3027 | ev_unref (EV_A); |
2727 | } |
3028 | } |
2728 | } |
3029 | } |
2729 | |
3030 | |
2730 | inline_size void |
3031 | inline_size void |
2731 | infy_fork (EV_P) |
3032 | infy_fork (EV_P) |
… | |
… | |
2733 | int slot; |
3034 | int slot; |
2734 | |
3035 | |
2735 | if (fs_fd < 0) |
3036 | if (fs_fd < 0) |
2736 | return; |
3037 | return; |
2737 | |
3038 | |
|
|
3039 | ev_ref (EV_A); |
|
|
3040 | ev_io_stop (EV_A_ &fs_w); |
2738 | close (fs_fd); |
3041 | close (fs_fd); |
2739 | fs_fd = inotify_init (); |
3042 | fs_fd = infy_newfd (); |
|
|
3043 | |
|
|
3044 | if (fs_fd >= 0) |
|
|
3045 | { |
|
|
3046 | fd_intern (fs_fd); |
|
|
3047 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3048 | ev_io_start (EV_A_ &fs_w); |
|
|
3049 | ev_unref (EV_A); |
|
|
3050 | } |
2740 | |
3051 | |
2741 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3052 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2742 | { |
3053 | { |
2743 | WL w_ = fs_hash [slot].head; |
3054 | WL w_ = fs_hash [slot].head; |
2744 | fs_hash [slot].head = 0; |
3055 | fs_hash [slot].head = 0; |
… | |
… | |
3001 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3312 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3002 | { |
3313 | { |
3003 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3314 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3004 | |
3315 | |
3005 | { |
3316 | { |
3006 | struct ev_loop *loop = w->other; |
3317 | EV_P = w->other; |
3007 | |
3318 | |
3008 | while (fdchangecnt) |
3319 | while (fdchangecnt) |
3009 | { |
3320 | { |
3010 | fd_reify (EV_A); |
3321 | fd_reify (EV_A); |
3011 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3322 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
… | |
… | |
3019 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3330 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
3020 | |
3331 | |
3021 | ev_embed_stop (EV_A_ w); |
3332 | ev_embed_stop (EV_A_ w); |
3022 | |
3333 | |
3023 | { |
3334 | { |
3024 | struct ev_loop *loop = w->other; |
3335 | EV_P = w->other; |
3025 | |
3336 | |
3026 | ev_loop_fork (EV_A); |
3337 | ev_loop_fork (EV_A); |
3027 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3338 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3028 | } |
3339 | } |
3029 | |
3340 | |
… | |
… | |
3043 | { |
3354 | { |
3044 | if (expect_false (ev_is_active (w))) |
3355 | if (expect_false (ev_is_active (w))) |
3045 | return; |
3356 | return; |
3046 | |
3357 | |
3047 | { |
3358 | { |
3048 | struct ev_loop *loop = w->other; |
3359 | EV_P = w->other; |
3049 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3360 | 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); |
3361 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3051 | } |
3362 | } |
3052 | |
3363 | |
3053 | EV_FREQUENT_CHECK; |
3364 | EV_FREQUENT_CHECK; |
… | |
… | |
3165 | |
3476 | |
3166 | void |
3477 | void |
3167 | ev_async_send (EV_P_ ev_async *w) |
3478 | ev_async_send (EV_P_ ev_async *w) |
3168 | { |
3479 | { |
3169 | w->sent = 1; |
3480 | w->sent = 1; |
3170 | evpipe_write (EV_A_ &gotasync); |
3481 | evpipe_write (EV_A_ &async_pending); |
3171 | } |
3482 | } |
3172 | #endif |
3483 | #endif |
3173 | |
3484 | |
3174 | /*****************************************************************************/ |
3485 | /*****************************************************************************/ |
3175 | |
3486 | |
… | |
… | |
3324 | if (types & EV_CHECK) |
3635 | if (types & EV_CHECK) |
3325 | for (i = checkcnt; i--; ) |
3636 | for (i = checkcnt; i--; ) |
3326 | cb (EV_A_ EV_CHECK, checks [i]); |
3637 | cb (EV_A_ EV_CHECK, checks [i]); |
3327 | |
3638 | |
3328 | if (types & EV_SIGNAL) |
3639 | if (types & EV_SIGNAL) |
3329 | for (i = 0; i < signalmax; ++i) |
3640 | for (i = 0; i < EV_NSIG - 1; ++i) |
3330 | for (wl = signals [i].head; wl; ) |
3641 | for (wl = signals [i].head; wl; ) |
3331 | { |
3642 | { |
3332 | wn = wl->next; |
3643 | wn = wl->next; |
3333 | cb (EV_A_ EV_SIGNAL, wl); |
3644 | cb (EV_A_ EV_SIGNAL, wl); |
3334 | wl = wn; |
3645 | wl = wn; |