… | |
… | |
124 | # else |
124 | # else |
125 | # undef EV_USE_LINUXAIO |
125 | # undef EV_USE_LINUXAIO |
126 | # define EV_USE_LINUXAIO 0 |
126 | # define EV_USE_LINUXAIO 0 |
127 | # endif |
127 | # endif |
128 | |
128 | |
|
|
129 | # if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T |
|
|
130 | # ifndef EV_USE_IOURING |
|
|
131 | # define EV_USE_IOURING EV_FEATURE_BACKENDS |
|
|
132 | # endif |
|
|
133 | # else |
|
|
134 | # undef EV_USE_IOURING |
|
|
135 | # define EV_USE_IOURING 0 |
|
|
136 | # endif |
|
|
137 | |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
138 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
130 | # ifndef EV_USE_KQUEUE |
139 | # ifndef EV_USE_KQUEUE |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
140 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
132 | # endif |
141 | # endif |
133 | # else |
142 | # else |
… | |
… | |
168 | # endif |
177 | # endif |
169 | # else |
178 | # else |
170 | # undef EV_USE_EVENTFD |
179 | # undef EV_USE_EVENTFD |
171 | # define EV_USE_EVENTFD 0 |
180 | # define EV_USE_EVENTFD 0 |
172 | # endif |
181 | # endif |
173 | |
182 | |
|
|
183 | # if HAVE_SYS_TIMERFD_H |
|
|
184 | # ifndef EV_USE_TIMERFD |
|
|
185 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
186 | # endif |
|
|
187 | # else |
|
|
188 | # undef EV_USE_TIMERFD |
|
|
189 | # define EV_USE_TIMERFD 0 |
|
|
190 | # endif |
|
|
191 | |
174 | #endif |
192 | #endif |
175 | |
193 | |
176 | /* OS X, in its infinite idiocy, actually HARDCODES |
194 | /* OS X, in its infinite idiocy, actually HARDCODES |
177 | * a limit of 1024 into their select. Where people have brains, |
195 | * a limit of 1024 into their select. Where people have brains, |
178 | * OS X engineers apparently have a vacuum. Or maybe they were |
196 | * OS X engineers apparently have a vacuum. Or maybe they were |
… | |
… | |
325 | #ifndef EV_USE_PORT |
343 | #ifndef EV_USE_PORT |
326 | # define EV_USE_PORT 0 |
344 | # define EV_USE_PORT 0 |
327 | #endif |
345 | #endif |
328 | |
346 | |
329 | #ifndef EV_USE_LINUXAIO |
347 | #ifndef EV_USE_LINUXAIO |
|
|
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
|
|
349 | # define EV_USE_LINUXAIO 1 |
|
|
350 | # else |
330 | # define EV_USE_LINUXAIO 0 |
351 | # define EV_USE_LINUXAIO 0 |
|
|
352 | # endif |
|
|
353 | #endif |
|
|
354 | |
|
|
355 | #ifndef EV_USE_IOURING |
|
|
356 | # if __linux /* later checks might disable again */ |
|
|
357 | # define EV_USE_IOURING 1 |
|
|
358 | # else |
|
|
359 | # define EV_USE_IOURING 0 |
|
|
360 | # endif |
331 | #endif |
361 | #endif |
332 | |
362 | |
333 | #ifndef EV_USE_INOTIFY |
363 | #ifndef EV_USE_INOTIFY |
334 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
364 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
335 | # define EV_USE_INOTIFY EV_FEATURE_OS |
365 | # define EV_USE_INOTIFY EV_FEATURE_OS |
… | |
… | |
357 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
358 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
359 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
360 | # else |
390 | # else |
361 | # define EV_USE_SIGNALFD 0 |
391 | # define EV_USE_SIGNALFD 0 |
|
|
392 | # endif |
|
|
393 | #endif |
|
|
394 | |
|
|
395 | #ifndef EV_USE_TIMERFD |
|
|
396 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)) |
|
|
397 | # define EV_USE_TIMERFD EV_FEATURE_OS |
|
|
398 | # else |
|
|
399 | # define EV_USE_TIMERFD 0 |
362 | # endif |
400 | # endif |
363 | #endif |
401 | #endif |
364 | |
402 | |
365 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
366 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
… | |
… | |
392 | /* aix's poll.h seems to cause lots of trouble */ |
430 | /* aix's poll.h seems to cause lots of trouble */ |
393 | #ifdef _AIX |
431 | #ifdef _AIX |
394 | /* AIX has a completely broken poll.h header */ |
432 | /* AIX has a completely broken poll.h header */ |
395 | # undef EV_USE_POLL |
433 | # undef EV_USE_POLL |
396 | # define EV_USE_POLL 0 |
434 | # define EV_USE_POLL 0 |
397 | #endif |
|
|
398 | |
|
|
399 | #if EV_USE_LINUXAIO |
|
|
400 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
401 | #endif |
435 | #endif |
402 | |
436 | |
403 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
437 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
404 | /* which makes programs even slower. might work on other unices, too. */ |
438 | /* which makes programs even slower. might work on other unices, too. */ |
405 | #if EV_USE_CLOCK_SYSCALL |
439 | #if EV_USE_CLOCK_SYSCALL |
406 | # include <sys/syscall.h> |
440 | # include <sys/syscall.h> |
407 | # ifdef SYS_clock_gettime |
441 | # ifdef SYS_clock_gettime |
408 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
442 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
409 | # undef EV_USE_MONOTONIC |
443 | # undef EV_USE_MONOTONIC |
410 | # define EV_USE_MONOTONIC 1 |
444 | # define EV_USE_MONOTONIC 1 |
|
|
445 | # define EV_NEED_SYSCALL 1 |
411 | # else |
446 | # else |
412 | # undef EV_USE_CLOCK_SYSCALL |
447 | # undef EV_USE_CLOCK_SYSCALL |
413 | # define EV_USE_CLOCK_SYSCALL 0 |
448 | # define EV_USE_CLOCK_SYSCALL 0 |
414 | # endif |
449 | # endif |
415 | #endif |
450 | #endif |
… | |
… | |
427 | #endif |
462 | #endif |
428 | |
463 | |
429 | #if !EV_STAT_ENABLE |
464 | #if !EV_STAT_ENABLE |
430 | # undef EV_USE_INOTIFY |
465 | # undef EV_USE_INOTIFY |
431 | # define EV_USE_INOTIFY 0 |
466 | # define EV_USE_INOTIFY 0 |
|
|
467 | #endif |
|
|
468 | |
|
|
469 | #if __linux && EV_USE_IOURING |
|
|
470 | # include <linux/version.h> |
|
|
471 | # if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0) |
|
|
472 | # undef EV_USE_IOURING |
|
|
473 | # define EV_USE_IOURING 0 |
|
|
474 | # endif |
432 | #endif |
475 | #endif |
433 | |
476 | |
434 | #if !EV_USE_NANOSLEEP |
477 | #if !EV_USE_NANOSLEEP |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
478 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
436 | # if !defined _WIN32 && !defined __hpux |
479 | # if !defined _WIN32 && !defined __hpux |
… | |
… | |
438 | # endif |
481 | # endif |
439 | #endif |
482 | #endif |
440 | |
483 | |
441 | #if EV_USE_LINUXAIO |
484 | #if EV_USE_LINUXAIO |
442 | # include <sys/syscall.h> |
485 | # include <sys/syscall.h> |
443 | # if !SYS_io_getevents |
486 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
487 | # define EV_NEED_SYSCALL 1 |
|
|
488 | # else |
444 | # undef EV_USE_LINUXAIO |
489 | # undef EV_USE_LINUXAIO |
445 | # define EV_USE_LINUXAIO 0 |
490 | # define EV_USE_LINUXAIO 0 |
|
|
491 | # endif |
|
|
492 | #endif |
|
|
493 | |
|
|
494 | #if EV_USE_IOURING |
|
|
495 | # include <sys/syscall.h> |
|
|
496 | # if !SYS_io_uring_setup && __linux && !__alpha |
|
|
497 | # define SYS_io_uring_setup 425 |
|
|
498 | # define SYS_io_uring_enter 426 |
|
|
499 | # define SYS_io_uring_wregister 427 |
|
|
500 | # endif |
|
|
501 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
|
|
502 | # define EV_NEED_SYSCALL 1 |
|
|
503 | # else |
|
|
504 | # undef EV_USE_IOURING |
|
|
505 | # define EV_USE_IOURING 0 |
446 | # endif |
506 | # endif |
447 | #endif |
507 | #endif |
448 | |
508 | |
449 | #if EV_USE_INOTIFY |
509 | #if EV_USE_INOTIFY |
450 | # include <sys/statfs.h> |
510 | # include <sys/statfs.h> |
… | |
… | |
455 | # define EV_USE_INOTIFY 0 |
515 | # define EV_USE_INOTIFY 0 |
456 | # endif |
516 | # endif |
457 | #endif |
517 | #endif |
458 | |
518 | |
459 | #if EV_USE_EVENTFD |
519 | #if EV_USE_EVENTFD |
460 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
520 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
461 | # include <stdint.h> |
521 | # include <stdint.h> |
462 | # ifndef EFD_NONBLOCK |
522 | # ifndef EFD_NONBLOCK |
463 | # define EFD_NONBLOCK O_NONBLOCK |
523 | # define EFD_NONBLOCK O_NONBLOCK |
464 | # endif |
524 | # endif |
465 | # ifndef EFD_CLOEXEC |
525 | # ifndef EFD_CLOEXEC |
… | |
… | |
471 | # endif |
531 | # endif |
472 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
532 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
473 | #endif |
533 | #endif |
474 | |
534 | |
475 | #if EV_USE_SIGNALFD |
535 | #if EV_USE_SIGNALFD |
476 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
536 | /* our minimum requirement is glibc 2.7 which has the stub, but not the full header */ |
477 | # include <stdint.h> |
537 | # include <stdint.h> |
478 | # ifndef SFD_NONBLOCK |
538 | # ifndef SFD_NONBLOCK |
479 | # define SFD_NONBLOCK O_NONBLOCK |
539 | # define SFD_NONBLOCK O_NONBLOCK |
480 | # endif |
540 | # endif |
481 | # ifndef SFD_CLOEXEC |
541 | # ifndef SFD_CLOEXEC |
… | |
… | |
483 | # define SFD_CLOEXEC O_CLOEXEC |
543 | # define SFD_CLOEXEC O_CLOEXEC |
484 | # else |
544 | # else |
485 | # define SFD_CLOEXEC 02000000 |
545 | # define SFD_CLOEXEC 02000000 |
486 | # endif |
546 | # endif |
487 | # endif |
547 | # endif |
488 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
548 | EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags); |
489 | |
549 | |
490 | struct signalfd_siginfo |
550 | struct signalfd_siginfo |
491 | { |
551 | { |
492 | uint32_t ssi_signo; |
552 | uint32_t ssi_signo; |
493 | char pad[128 - sizeof (uint32_t)]; |
553 | char pad[128 - sizeof (uint32_t)]; |
494 | }; |
554 | }; |
495 | #endif |
555 | #endif |
496 | |
556 | |
497 | /**/ |
557 | /* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */ |
|
|
558 | #if EV_USE_TIMERFD |
|
|
559 | # include <sys/timerfd.h> |
|
|
560 | /* timerfd is only used for periodics */ |
|
|
561 | # if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE |
|
|
562 | # undef EV_USE_TIMERFD |
|
|
563 | # define EV_USE_TIMERFD 0 |
|
|
564 | # endif |
|
|
565 | #endif |
|
|
566 | |
|
|
567 | /*****************************************************************************/ |
498 | |
568 | |
499 | #if EV_VERIFY >= 3 |
569 | #if EV_VERIFY >= 3 |
500 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
570 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
501 | #else |
571 | #else |
502 | # define EV_FREQUENT_CHECK do { } while (0) |
572 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
507 | * This value is good at least till the year 4000. |
577 | * This value is good at least till the year 4000. |
508 | */ |
578 | */ |
509 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
579 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
510 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
580 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
511 | |
581 | |
512 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
582 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
513 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
583 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
514 | |
584 | |
|
|
585 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
|
|
586 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
587 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
588 | #define EV_TSTAMP_HUGE \ |
|
|
589 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
590 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
591 | : 2147483647.) \ |
|
|
592 | |
|
|
593 | #ifndef EV_TS_CONST |
|
|
594 | # define EV_TS_CONST(nv) nv |
|
|
595 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
|
|
596 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
515 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
597 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
516 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
598 | # define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
599 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
600 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
601 | #endif |
517 | |
602 | |
518 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
603 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
519 | /* ECB.H BEGIN */ |
604 | /* ECB.H BEGIN */ |
520 | /* |
605 | /* |
521 | * libecb - http://software.schmorp.de/pkg/libecb |
606 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
559 | |
644 | |
560 | #ifndef ECB_H |
645 | #ifndef ECB_H |
561 | #define ECB_H |
646 | #define ECB_H |
562 | |
647 | |
563 | /* 16 bits major, 16 bits minor */ |
648 | /* 16 bits major, 16 bits minor */ |
564 | #define ECB_VERSION 0x00010005 |
649 | #define ECB_VERSION 0x00010006 |
565 | |
650 | |
566 | #ifdef _WIN32 |
651 | #ifdef _WIN32 |
567 | typedef signed char int8_t; |
652 | typedef signed char int8_t; |
568 | typedef unsigned char uint8_t; |
653 | typedef unsigned char uint8_t; |
569 | typedef signed short int16_t; |
654 | typedef signed short int16_t; |
… | |
… | |
683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
768 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
684 | #endif |
769 | #endif |
685 | |
770 | |
686 | #ifndef ECB_MEMORY_FENCE |
771 | #ifndef ECB_MEMORY_FENCE |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
772 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
773 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
688 | #if __i386 || __i386__ |
774 | #if __i386 || __i386__ |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
775 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
690 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
776 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
777 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
692 | #elif ECB_GCC_AMD64 |
778 | #elif ECB_GCC_AMD64 |
… | |
… | |
742 | #if ECB_GCC_VERSION(4,7) |
828 | #if ECB_GCC_VERSION(4,7) |
743 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
829 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
744 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
830 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
745 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
831 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
746 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
832 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
833 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
747 | |
834 | |
748 | #elif ECB_CLANG_EXTENSION(c_atomic) |
835 | #elif ECB_CLANG_EXTENSION(c_atomic) |
749 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
836 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
750 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
837 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
751 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
838 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
752 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
839 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
840 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
753 | |
841 | |
754 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
842 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
755 | #define ECB_MEMORY_FENCE __sync_synchronize () |
843 | #define ECB_MEMORY_FENCE __sync_synchronize () |
756 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
844 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
757 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
845 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
767 | #elif defined _WIN32 |
855 | #elif defined _WIN32 |
768 | #include <WinNT.h> |
856 | #include <WinNT.h> |
769 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
857 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
770 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
858 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
771 | #include <mbarrier.h> |
859 | #include <mbarrier.h> |
772 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
860 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
773 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
861 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
774 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
862 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
863 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
775 | #elif __xlC__ |
864 | #elif __xlC__ |
776 | #define ECB_MEMORY_FENCE __sync () |
865 | #define ECB_MEMORY_FENCE __sync () |
777 | #endif |
866 | #endif |
778 | #endif |
867 | #endif |
779 | |
868 | |
780 | #ifndef ECB_MEMORY_FENCE |
869 | #ifndef ECB_MEMORY_FENCE |
781 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
870 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
782 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
871 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
783 | /* not just C11 atomics and atomic accesses */ |
872 | /* not just C11 atomics and atomic accesses */ |
784 | #include <stdatomic.h> |
873 | #include <stdatomic.h> |
785 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
786 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
787 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
788 | /* for most usages, or gcc and clang have a bug */ |
|
|
789 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
790 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
791 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
792 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
793 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
874 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
875 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
876 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
794 | #endif |
877 | #endif |
795 | #endif |
878 | #endif |
796 | |
879 | |
797 | #ifndef ECB_MEMORY_FENCE |
880 | #ifndef ECB_MEMORY_FENCE |
798 | #if !ECB_AVOID_PTHREADS |
881 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
816 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
899 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
817 | #endif |
900 | #endif |
818 | |
901 | |
819 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
902 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
820 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
903 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
907 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
821 | #endif |
908 | #endif |
822 | |
909 | |
823 | /*****************************************************************************/ |
910 | /*****************************************************************************/ |
824 | |
911 | |
825 | #if ECB_CPP |
912 | #if ECB_CPP |
… | |
… | |
1534 | /* ECB.H END */ |
1621 | /* ECB.H END */ |
1535 | |
1622 | |
1536 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1623 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1537 | /* if your architecture doesn't need memory fences, e.g. because it is |
1624 | /* if your architecture doesn't need memory fences, e.g. because it is |
1538 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1625 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1539 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1626 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1540 | * libev, in which cases the memory fences become nops. |
1627 | * libev, in which cases the memory fences become nops. |
1541 | * alternatively, you can remove this #error and link against libpthread, |
1628 | * alternatively, you can remove this #error and link against libpthread, |
1542 | * which will then provide the memory fences. |
1629 | * which will then provide the memory fences. |
1543 | */ |
1630 | */ |
1544 | # error "memory fences not defined for your architecture, please report" |
1631 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1548 | # define ECB_MEMORY_FENCE do { } while (0) |
1635 | # define ECB_MEMORY_FENCE do { } while (0) |
1549 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1636 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1550 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1637 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1551 | #endif |
1638 | #endif |
1552 | |
1639 | |
1553 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1554 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1555 | #define noinline ecb_noinline |
|
|
1556 | |
|
|
1557 | #define inline_size ecb_inline |
1640 | #define inline_size ecb_inline |
1558 | |
1641 | |
1559 | #if EV_FEATURE_CODE |
1642 | #if EV_FEATURE_CODE |
1560 | # define inline_speed ecb_inline |
1643 | # define inline_speed ecb_inline |
1561 | #else |
1644 | #else |
1562 | # define inline_speed noinline static |
1645 | # define inline_speed ecb_noinline static |
1563 | #endif |
1646 | #endif |
|
|
1647 | |
|
|
1648 | /*****************************************************************************/ |
|
|
1649 | /* raw syscall wrappers */ |
|
|
1650 | |
|
|
1651 | #if EV_NEED_SYSCALL |
|
|
1652 | |
|
|
1653 | #include <sys/syscall.h> |
|
|
1654 | |
|
|
1655 | /* |
|
|
1656 | * define some syscall wrappers for common architectures |
|
|
1657 | * this is mostly for nice looks during debugging, not performance. |
|
|
1658 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1659 | * enough for linux aio. |
|
|
1660 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1661 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1662 | */ |
|
|
1663 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1664 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1665 | |
|
|
1666 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1667 | ({ \ |
|
|
1668 | long res; \ |
|
|
1669 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1670 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1671 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1672 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1673 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1674 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1675 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1676 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1677 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1678 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1679 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1680 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1681 | __asm__ __volatile__ ( \ |
|
|
1682 | "syscall\n\t" \ |
|
|
1683 | : "=a" (res) \ |
|
|
1684 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1685 | : "cc", "r11", "cx", "memory"); \ |
|
|
1686 | errno = -res; \ |
|
|
1687 | res; \ |
|
|
1688 | }) |
|
|
1689 | |
|
|
1690 | #endif |
|
|
1691 | |
|
|
1692 | #ifdef ev_syscall |
|
|
1693 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1694 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1695 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1696 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1697 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1698 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1699 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1700 | #else |
|
|
1701 | #define ev_syscall0(nr) syscall (nr) |
|
|
1702 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1703 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1704 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1705 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1706 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1707 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1708 | #endif |
|
|
1709 | |
|
|
1710 | #endif |
|
|
1711 | |
|
|
1712 | /*****************************************************************************/ |
1564 | |
1713 | |
1565 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1714 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1566 | |
1715 | |
1567 | #if EV_MINPRI == EV_MAXPRI |
1716 | #if EV_MINPRI == EV_MAXPRI |
1568 | # define ABSPRI(w) (((W)w), 0) |
1717 | # define ABSPRI(w) (((W)w), 0) |
… | |
… | |
1603 | # include "ev_win32.c" |
1752 | # include "ev_win32.c" |
1604 | #endif |
1753 | #endif |
1605 | |
1754 | |
1606 | /*****************************************************************************/ |
1755 | /*****************************************************************************/ |
1607 | |
1756 | |
|
|
1757 | #if EV_USE_LINUXAIO |
|
|
1758 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1759 | #endif |
|
|
1760 | |
1608 | /* define a suitable floor function (only used by periodics atm) */ |
1761 | /* define a suitable floor function (only used by periodics atm) */ |
1609 | |
1762 | |
1610 | #if EV_USE_FLOOR |
1763 | #if EV_USE_FLOOR |
1611 | # include <math.h> |
1764 | # include <math.h> |
1612 | # define ev_floor(v) floor (v) |
1765 | # define ev_floor(v) floor (v) |
1613 | #else |
1766 | #else |
1614 | |
1767 | |
1615 | #include <float.h> |
1768 | #include <float.h> |
1616 | |
1769 | |
1617 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1770 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1618 | noinline |
1771 | ecb_noinline |
1619 | static ev_tstamp |
1772 | static ev_tstamp |
1620 | ev_floor (ev_tstamp v) |
1773 | ev_floor (ev_tstamp v) |
1621 | { |
1774 | { |
1622 | /* the choice of shift factor is not terribly important */ |
1775 | /* the choice of shift factor is not terribly important */ |
1623 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1776 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1624 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1777 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1625 | #else |
1778 | #else |
1626 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1779 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1627 | #endif |
1780 | #endif |
1628 | |
1781 | |
|
|
1782 | /* special treatment for negative arguments */ |
|
|
1783 | if (ecb_expect_false (v < 0.)) |
|
|
1784 | { |
|
|
1785 | ev_tstamp f = -ev_floor (-v); |
|
|
1786 | |
|
|
1787 | return f - (f == v ? 0 : 1); |
|
|
1788 | } |
|
|
1789 | |
1629 | /* argument too large for an unsigned long? */ |
1790 | /* argument too large for an unsigned long? then reduce it */ |
1630 | if (expect_false (v >= shift)) |
1791 | if (ecb_expect_false (v >= shift)) |
1631 | { |
1792 | { |
1632 | ev_tstamp f; |
1793 | ev_tstamp f; |
1633 | |
1794 | |
1634 | if (v == v - 1.) |
1795 | if (v == v - 1.) |
1635 | return v; /* very large number */ |
1796 | return v; /* very large numbers are assumed to be integer */ |
1636 | |
1797 | |
1637 | f = shift * ev_floor (v * (1. / shift)); |
1798 | f = shift * ev_floor (v * (1. / shift)); |
1638 | return f + ev_floor (v - f); |
1799 | return f + ev_floor (v - f); |
1639 | } |
1800 | } |
1640 | |
1801 | |
1641 | /* special treatment for negative args? */ |
|
|
1642 | if (expect_false (v < 0.)) |
|
|
1643 | { |
|
|
1644 | ev_tstamp f = -ev_floor (-v); |
|
|
1645 | |
|
|
1646 | return f - (f == v ? 0 : 1); |
|
|
1647 | } |
|
|
1648 | |
|
|
1649 | /* fits into an unsigned long */ |
1802 | /* fits into an unsigned long */ |
1650 | return (unsigned long)v; |
1803 | return (unsigned long)v; |
1651 | } |
1804 | } |
1652 | |
1805 | |
1653 | #endif |
1806 | #endif |
… | |
… | |
1656 | |
1809 | |
1657 | #ifdef __linux |
1810 | #ifdef __linux |
1658 | # include <sys/utsname.h> |
1811 | # include <sys/utsname.h> |
1659 | #endif |
1812 | #endif |
1660 | |
1813 | |
1661 | noinline ecb_cold |
1814 | ecb_noinline ecb_cold |
1662 | static unsigned int |
1815 | static unsigned int |
1663 | ev_linux_version (void) |
1816 | ev_linux_version (void) |
1664 | { |
1817 | { |
1665 | #ifdef __linux |
1818 | #ifdef __linux |
1666 | unsigned int v = 0; |
1819 | unsigned int v = 0; |
… | |
… | |
1696 | } |
1849 | } |
1697 | |
1850 | |
1698 | /*****************************************************************************/ |
1851 | /*****************************************************************************/ |
1699 | |
1852 | |
1700 | #if EV_AVOID_STDIO |
1853 | #if EV_AVOID_STDIO |
1701 | noinline ecb_cold |
1854 | ecb_noinline ecb_cold |
1702 | static void |
1855 | static void |
1703 | ev_printerr (const char *msg) |
1856 | ev_printerr (const char *msg) |
1704 | { |
1857 | { |
1705 | write (STDERR_FILENO, msg, strlen (msg)); |
1858 | write (STDERR_FILENO, msg, strlen (msg)); |
1706 | } |
1859 | } |
… | |
… | |
1713 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1866 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1714 | { |
1867 | { |
1715 | syserr_cb = cb; |
1868 | syserr_cb = cb; |
1716 | } |
1869 | } |
1717 | |
1870 | |
1718 | noinline ecb_cold |
1871 | ecb_noinline ecb_cold |
1719 | static void |
1872 | static void |
1720 | ev_syserr (const char *msg) |
1873 | ev_syserr (const char *msg) |
1721 | { |
1874 | { |
1722 | if (!msg) |
1875 | if (!msg) |
1723 | msg = "(libev) system error"; |
1876 | msg = "(libev) system error"; |
… | |
… | |
1795 | { |
1948 | { |
1796 | WL head; |
1949 | WL head; |
1797 | unsigned char events; /* the events watched for */ |
1950 | unsigned char events; /* the events watched for */ |
1798 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1951 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1799 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1952 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1800 | unsigned char unused; |
1953 | unsigned char eflags; /* flags field for use by backends */ |
1801 | #if EV_USE_EPOLL |
1954 | #if EV_USE_EPOLL |
1802 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1955 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1803 | #endif |
1956 | #endif |
1804 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1957 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1805 | SOCKET handle; |
1958 | SOCKET handle; |
… | |
… | |
1859 | static struct ev_loop default_loop_struct; |
2012 | static struct ev_loop default_loop_struct; |
1860 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2013 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1861 | |
2014 | |
1862 | #else |
2015 | #else |
1863 | |
2016 | |
1864 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2017 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1865 | #define VAR(name,decl) static decl; |
2018 | #define VAR(name,decl) static decl; |
1866 | #include "ev_vars.h" |
2019 | #include "ev_vars.h" |
1867 | #undef VAR |
2020 | #undef VAR |
1868 | |
2021 | |
1869 | static int ev_default_loop_ptr; |
2022 | static int ev_default_loop_ptr; |
1870 | |
2023 | |
1871 | #endif |
2024 | #endif |
1872 | |
2025 | |
1873 | #if EV_FEATURE_API |
2026 | #if EV_FEATURE_API |
1874 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2027 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1875 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2028 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1876 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2029 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1877 | #else |
2030 | #else |
1878 | # define EV_RELEASE_CB (void)0 |
2031 | # define EV_RELEASE_CB (void)0 |
1879 | # define EV_ACQUIRE_CB (void)0 |
2032 | # define EV_ACQUIRE_CB (void)0 |
1880 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2033 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1887 | #ifndef EV_HAVE_EV_TIME |
2040 | #ifndef EV_HAVE_EV_TIME |
1888 | ev_tstamp |
2041 | ev_tstamp |
1889 | ev_time (void) EV_NOEXCEPT |
2042 | ev_time (void) EV_NOEXCEPT |
1890 | { |
2043 | { |
1891 | #if EV_USE_REALTIME |
2044 | #if EV_USE_REALTIME |
1892 | if (expect_true (have_realtime)) |
2045 | if (ecb_expect_true (have_realtime)) |
1893 | { |
2046 | { |
1894 | struct timespec ts; |
2047 | struct timespec ts; |
1895 | clock_gettime (CLOCK_REALTIME, &ts); |
2048 | clock_gettime (CLOCK_REALTIME, &ts); |
1896 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2049 | return EV_TS_GET (ts); |
1897 | } |
2050 | } |
1898 | #endif |
2051 | #endif |
1899 | |
2052 | |
|
|
2053 | { |
1900 | struct timeval tv; |
2054 | struct timeval tv; |
1901 | gettimeofday (&tv, 0); |
2055 | gettimeofday (&tv, 0); |
1902 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2056 | return EV_TV_GET (tv); |
|
|
2057 | } |
1903 | } |
2058 | } |
1904 | #endif |
2059 | #endif |
1905 | |
2060 | |
1906 | inline_size ev_tstamp |
2061 | inline_size ev_tstamp |
1907 | get_clock (void) |
2062 | get_clock (void) |
1908 | { |
2063 | { |
1909 | #if EV_USE_MONOTONIC |
2064 | #if EV_USE_MONOTONIC |
1910 | if (expect_true (have_monotonic)) |
2065 | if (ecb_expect_true (have_monotonic)) |
1911 | { |
2066 | { |
1912 | struct timespec ts; |
2067 | struct timespec ts; |
1913 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2068 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1914 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2069 | return EV_TS_GET (ts); |
1915 | } |
2070 | } |
1916 | #endif |
2071 | #endif |
1917 | |
2072 | |
1918 | return ev_time (); |
2073 | return ev_time (); |
1919 | } |
2074 | } |
… | |
… | |
1927 | #endif |
2082 | #endif |
1928 | |
2083 | |
1929 | void |
2084 | void |
1930 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2085 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1931 | { |
2086 | { |
1932 | if (delay > 0.) |
2087 | if (delay > EV_TS_CONST (0.)) |
1933 | { |
2088 | { |
1934 | #if EV_USE_NANOSLEEP |
2089 | #if EV_USE_NANOSLEEP |
1935 | struct timespec ts; |
2090 | struct timespec ts; |
1936 | |
2091 | |
1937 | EV_TS_SET (ts, delay); |
2092 | EV_TS_SET (ts, delay); |
1938 | nanosleep (&ts, 0); |
2093 | nanosleep (&ts, 0); |
1939 | #elif defined _WIN32 |
2094 | #elif defined _WIN32 |
1940 | /* maybe this should round up, as ms is very low resolution */ |
2095 | /* maybe this should round up, as ms is very low resolution */ |
1941 | /* compared to select (µs) or nanosleep (ns) */ |
2096 | /* compared to select (µs) or nanosleep (ns) */ |
1942 | Sleep ((unsigned long)(delay * 1e3)); |
2097 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1943 | #else |
2098 | #else |
1944 | struct timeval tv; |
2099 | struct timeval tv; |
1945 | |
2100 | |
1946 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2101 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1947 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2102 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1977 | } |
2132 | } |
1978 | |
2133 | |
1979 | return ncur; |
2134 | return ncur; |
1980 | } |
2135 | } |
1981 | |
2136 | |
1982 | noinline ecb_cold |
2137 | ecb_noinline ecb_cold |
1983 | static void * |
2138 | static void * |
1984 | array_realloc (int elem, void *base, int *cur, int cnt) |
2139 | array_realloc (int elem, void *base, int *cur, int cnt) |
1985 | { |
2140 | { |
1986 | *cur = array_nextsize (elem, *cur, cnt); |
2141 | *cur = array_nextsize (elem, *cur, cnt); |
1987 | return ev_realloc (base, elem * *cur); |
2142 | return ev_realloc (base, elem * *cur); |
1988 | } |
2143 | } |
1989 | |
2144 | |
1990 | #define array_needsize_noinit(base,count) |
2145 | #define array_needsize_noinit(base,offset,count) |
1991 | |
2146 | |
1992 | #define array_needsize_zerofill(base,count) \ |
2147 | #define array_needsize_zerofill(base,offset,count) \ |
1993 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2148 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1994 | |
2149 | |
1995 | #define array_needsize(type,base,cur,cnt,init) \ |
2150 | #define array_needsize(type,base,cur,cnt,init) \ |
1996 | if (expect_false ((cnt) > (cur))) \ |
2151 | if (ecb_expect_false ((cnt) > (cur))) \ |
1997 | { \ |
2152 | { \ |
1998 | ecb_unused int ocur_ = (cur); \ |
2153 | ecb_unused int ocur_ = (cur); \ |
1999 | (base) = (type *)array_realloc \ |
2154 | (base) = (type *)array_realloc \ |
2000 | (sizeof (type), (base), &(cur), (cnt)); \ |
2155 | (sizeof (type), (base), &(cur), (cnt)); \ |
2001 | init ((base) + (ocur_), (cur) - ocur_); \ |
2156 | init ((base), ocur_, ((cur) - ocur_)); \ |
2002 | } |
2157 | } |
2003 | |
2158 | |
2004 | #if 0 |
2159 | #if 0 |
2005 | #define array_slim(type,stem) \ |
2160 | #define array_slim(type,stem) \ |
2006 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2161 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
2015 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2170 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2016 | |
2171 | |
2017 | /*****************************************************************************/ |
2172 | /*****************************************************************************/ |
2018 | |
2173 | |
2019 | /* dummy callback for pending events */ |
2174 | /* dummy callback for pending events */ |
2020 | noinline |
2175 | ecb_noinline |
2021 | static void |
2176 | static void |
2022 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2177 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2023 | { |
2178 | { |
2024 | } |
2179 | } |
2025 | |
2180 | |
2026 | noinline |
2181 | ecb_noinline |
2027 | void |
2182 | void |
2028 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2183 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2029 | { |
2184 | { |
2030 | W w_ = (W)w; |
2185 | W w_ = (W)w; |
2031 | int pri = ABSPRI (w_); |
2186 | int pri = ABSPRI (w_); |
2032 | |
2187 | |
2033 | if (expect_false (w_->pending)) |
2188 | if (ecb_expect_false (w_->pending)) |
2034 | pendings [pri][w_->pending - 1].events |= revents; |
2189 | pendings [pri][w_->pending - 1].events |= revents; |
2035 | else |
2190 | else |
2036 | { |
2191 | { |
2037 | w_->pending = ++pendingcnt [pri]; |
2192 | w_->pending = ++pendingcnt [pri]; |
2038 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2193 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
… | |
… | |
2089 | inline_speed void |
2244 | inline_speed void |
2090 | fd_event (EV_P_ int fd, int revents) |
2245 | fd_event (EV_P_ int fd, int revents) |
2091 | { |
2246 | { |
2092 | ANFD *anfd = anfds + fd; |
2247 | ANFD *anfd = anfds + fd; |
2093 | |
2248 | |
2094 | if (expect_true (!anfd->reify)) |
2249 | if (ecb_expect_true (!anfd->reify)) |
2095 | fd_event_nocheck (EV_A_ fd, revents); |
2250 | fd_event_nocheck (EV_A_ fd, revents); |
2096 | } |
2251 | } |
2097 | |
2252 | |
2098 | void |
2253 | void |
2099 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2254 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2141 | ev_io *w; |
2296 | ev_io *w; |
2142 | |
2297 | |
2143 | unsigned char o_events = anfd->events; |
2298 | unsigned char o_events = anfd->events; |
2144 | unsigned char o_reify = anfd->reify; |
2299 | unsigned char o_reify = anfd->reify; |
2145 | |
2300 | |
2146 | anfd->reify = 0; |
2301 | anfd->reify = 0; |
2147 | |
2302 | |
2148 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2303 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2149 | { |
2304 | { |
2150 | anfd->events = 0; |
2305 | anfd->events = 0; |
2151 | |
2306 | |
2152 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2307 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2153 | anfd->events |= (unsigned char)w->events; |
2308 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2169 | fd_change (EV_P_ int fd, int flags) |
2324 | fd_change (EV_P_ int fd, int flags) |
2170 | { |
2325 | { |
2171 | unsigned char reify = anfds [fd].reify; |
2326 | unsigned char reify = anfds [fd].reify; |
2172 | anfds [fd].reify |= flags; |
2327 | anfds [fd].reify |= flags; |
2173 | |
2328 | |
2174 | if (expect_true (!reify)) |
2329 | if (ecb_expect_true (!reify)) |
2175 | { |
2330 | { |
2176 | ++fdchangecnt; |
2331 | ++fdchangecnt; |
2177 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2332 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2178 | fdchanges [fdchangecnt - 1] = fd; |
2333 | fdchanges [fdchangecnt - 1] = fd; |
2179 | } |
2334 | } |
… | |
… | |
2202 | return fcntl (fd, F_GETFD) != -1; |
2357 | return fcntl (fd, F_GETFD) != -1; |
2203 | #endif |
2358 | #endif |
2204 | } |
2359 | } |
2205 | |
2360 | |
2206 | /* called on EBADF to verify fds */ |
2361 | /* called on EBADF to verify fds */ |
2207 | noinline ecb_cold |
2362 | ecb_noinline ecb_cold |
2208 | static void |
2363 | static void |
2209 | fd_ebadf (EV_P) |
2364 | fd_ebadf (EV_P) |
2210 | { |
2365 | { |
2211 | int fd; |
2366 | int fd; |
2212 | |
2367 | |
… | |
… | |
2215 | if (!fd_valid (fd) && errno == EBADF) |
2370 | if (!fd_valid (fd) && errno == EBADF) |
2216 | fd_kill (EV_A_ fd); |
2371 | fd_kill (EV_A_ fd); |
2217 | } |
2372 | } |
2218 | |
2373 | |
2219 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2374 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2220 | noinline ecb_cold |
2375 | ecb_noinline ecb_cold |
2221 | static void |
2376 | static void |
2222 | fd_enomem (EV_P) |
2377 | fd_enomem (EV_P) |
2223 | { |
2378 | { |
2224 | int fd; |
2379 | int fd; |
2225 | |
2380 | |
… | |
… | |
2230 | break; |
2385 | break; |
2231 | } |
2386 | } |
2232 | } |
2387 | } |
2233 | |
2388 | |
2234 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2389 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2235 | noinline |
2390 | ecb_noinline |
2236 | static void |
2391 | static void |
2237 | fd_rearm_all (EV_P) |
2392 | fd_rearm_all (EV_P) |
2238 | { |
2393 | { |
2239 | int fd; |
2394 | int fd; |
2240 | |
2395 | |
… | |
… | |
2294 | ev_tstamp minat; |
2449 | ev_tstamp minat; |
2295 | ANHE *minpos; |
2450 | ANHE *minpos; |
2296 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2451 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2297 | |
2452 | |
2298 | /* find minimum child */ |
2453 | /* find minimum child */ |
2299 | if (expect_true (pos + DHEAP - 1 < E)) |
2454 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2300 | { |
2455 | { |
2301 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2456 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2302 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2457 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2303 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2458 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2304 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2459 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2305 | } |
2460 | } |
2306 | else if (pos < E) |
2461 | else if (pos < E) |
2307 | { |
2462 | { |
2308 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2463 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2309 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2464 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2310 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2465 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2311 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2466 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2312 | } |
2467 | } |
2313 | else |
2468 | else |
2314 | break; |
2469 | break; |
2315 | |
2470 | |
2316 | if (ANHE_at (he) <= minat) |
2471 | if (ANHE_at (he) <= minat) |
… | |
… | |
2324 | |
2479 | |
2325 | heap [k] = he; |
2480 | heap [k] = he; |
2326 | ev_active (ANHE_w (he)) = k; |
2481 | ev_active (ANHE_w (he)) = k; |
2327 | } |
2482 | } |
2328 | |
2483 | |
2329 | #else /* 4HEAP */ |
2484 | #else /* not 4HEAP */ |
2330 | |
2485 | |
2331 | #define HEAP0 1 |
2486 | #define HEAP0 1 |
2332 | #define HPARENT(k) ((k) >> 1) |
2487 | #define HPARENT(k) ((k) >> 1) |
2333 | #define UPHEAP_DONE(p,k) (!(p)) |
2488 | #define UPHEAP_DONE(p,k) (!(p)) |
2334 | |
2489 | |
… | |
… | |
2422 | |
2577 | |
2423 | /*****************************************************************************/ |
2578 | /*****************************************************************************/ |
2424 | |
2579 | |
2425 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2580 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2426 | |
2581 | |
2427 | noinline ecb_cold |
2582 | ecb_noinline ecb_cold |
2428 | static void |
2583 | static void |
2429 | evpipe_init (EV_P) |
2584 | evpipe_init (EV_P) |
2430 | { |
2585 | { |
2431 | if (!ev_is_active (&pipe_w)) |
2586 | if (!ev_is_active (&pipe_w)) |
2432 | { |
2587 | { |
… | |
… | |
2473 | inline_speed void |
2628 | inline_speed void |
2474 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2629 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2475 | { |
2630 | { |
2476 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2631 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2477 | |
2632 | |
2478 | if (expect_true (*flag)) |
2633 | if (ecb_expect_true (*flag)) |
2479 | return; |
2634 | return; |
2480 | |
2635 | |
2481 | *flag = 1; |
2636 | *flag = 1; |
2482 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2637 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2483 | |
2638 | |
… | |
… | |
2560 | sig_pending = 0; |
2715 | sig_pending = 0; |
2561 | |
2716 | |
2562 | ECB_MEMORY_FENCE; |
2717 | ECB_MEMORY_FENCE; |
2563 | |
2718 | |
2564 | for (i = EV_NSIG - 1; i--; ) |
2719 | for (i = EV_NSIG - 1; i--; ) |
2565 | if (expect_false (signals [i].pending)) |
2720 | if (ecb_expect_false (signals [i].pending)) |
2566 | ev_feed_signal_event (EV_A_ i + 1); |
2721 | ev_feed_signal_event (EV_A_ i + 1); |
2567 | } |
2722 | } |
2568 | #endif |
2723 | #endif |
2569 | |
2724 | |
2570 | #if EV_ASYNC_ENABLE |
2725 | #if EV_ASYNC_ENABLE |
… | |
… | |
2611 | #endif |
2766 | #endif |
2612 | |
2767 | |
2613 | ev_feed_signal (signum); |
2768 | ev_feed_signal (signum); |
2614 | } |
2769 | } |
2615 | |
2770 | |
2616 | noinline |
2771 | ecb_noinline |
2617 | void |
2772 | void |
2618 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2773 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2619 | { |
2774 | { |
2620 | WL w; |
2775 | WL w; |
2621 | |
2776 | |
2622 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2777 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2623 | return; |
2778 | return; |
2624 | |
2779 | |
2625 | --signum; |
2780 | --signum; |
2626 | |
2781 | |
2627 | #if EV_MULTIPLICITY |
2782 | #if EV_MULTIPLICITY |
2628 | /* it is permissible to try to feed a signal to the wrong loop */ |
2783 | /* it is permissible to try to feed a signal to the wrong loop */ |
2629 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2784 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2630 | |
2785 | |
2631 | if (expect_false (signals [signum].loop != EV_A)) |
2786 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2632 | return; |
2787 | return; |
2633 | #endif |
2788 | #endif |
2634 | |
2789 | |
2635 | signals [signum].pending = 0; |
2790 | signals [signum].pending = 0; |
2636 | ECB_MEMORY_FENCE_RELEASE; |
2791 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2720 | |
2875 | |
2721 | #endif |
2876 | #endif |
2722 | |
2877 | |
2723 | /*****************************************************************************/ |
2878 | /*****************************************************************************/ |
2724 | |
2879 | |
|
|
2880 | #if EV_USE_TIMERFD |
|
|
2881 | |
|
|
2882 | static void periodics_reschedule (EV_P); |
|
|
2883 | |
|
|
2884 | static void |
|
|
2885 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
2886 | { |
|
|
2887 | struct itimerspec its = { 0 }; |
|
|
2888 | |
|
|
2889 | /* since we can't easily come zup with a (portable) maximum value of time_t, |
|
|
2890 | * we wake up once per month, which hopefully is rare enough to not |
|
|
2891 | * be a problem. */ |
|
|
2892 | its.it_value.tv_sec = ev_rt_now + 86400 * 30; |
|
|
2893 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
2894 | |
|
|
2895 | ev_rt_now = ev_time (); |
|
|
2896 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
2897 | /* but maybe in the future we want the full treatment. */ |
|
|
2898 | /* |
|
|
2899 | now_floor = EV_TS_CONST (0.); |
|
|
2900 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
2901 | */ |
|
|
2902 | periodics_reschedule (EV_A); |
|
|
2903 | } |
|
|
2904 | |
|
|
2905 | ecb_noinline ecb_cold |
|
|
2906 | static void |
|
|
2907 | evtimerfd_init (EV_P) |
|
|
2908 | { |
|
|
2909 | if (!ev_is_active (&timerfd_w)) |
|
|
2910 | { |
|
|
2911 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
2912 | |
|
|
2913 | if (timerfd >= 0) |
|
|
2914 | { |
|
|
2915 | fd_intern (timerfd); /* just to be sure */ |
|
|
2916 | |
|
|
2917 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
2918 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
2919 | ev_io_start (EV_A_ &timerfd_w); |
|
|
2920 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2921 | |
|
|
2922 | /* (re-) arm timer */ |
|
|
2923 | timerfdcb (EV_A_ 0, 0); |
|
|
2924 | } |
|
|
2925 | } |
|
|
2926 | } |
|
|
2927 | |
|
|
2928 | #endif |
|
|
2929 | |
|
|
2930 | /*****************************************************************************/ |
|
|
2931 | |
2725 | #if EV_USE_IOCP |
2932 | #if EV_USE_IOCP |
2726 | # include "ev_iocp.c" |
2933 | # include "ev_iocp.c" |
2727 | #endif |
2934 | #endif |
2728 | #if EV_USE_PORT |
2935 | #if EV_USE_PORT |
2729 | # include "ev_port.c" |
2936 | # include "ev_port.c" |
2730 | #endif |
2937 | #endif |
2731 | #if EV_USE_KQUEUE |
2938 | #if EV_USE_KQUEUE |
2732 | # include "ev_kqueue.c" |
2939 | # include "ev_kqueue.c" |
2733 | #endif |
2940 | #endif |
|
|
2941 | #if EV_USE_EPOLL |
|
|
2942 | # include "ev_epoll.c" |
|
|
2943 | #endif |
2734 | #if EV_USE_LINUXAIO |
2944 | #if EV_USE_LINUXAIO |
2735 | # include "ev_linuxaio.c" |
2945 | # include "ev_linuxaio.c" |
2736 | #endif |
2946 | #endif |
2737 | #if EV_USE_EPOLL |
2947 | #if EV_USE_IOURING |
2738 | # include "ev_epoll.c" |
2948 | # include "ev_iouring.c" |
2739 | #endif |
2949 | #endif |
2740 | #if EV_USE_POLL |
2950 | #if EV_USE_POLL |
2741 | # include "ev_poll.c" |
2951 | # include "ev_poll.c" |
2742 | #endif |
2952 | #endif |
2743 | #if EV_USE_SELECT |
2953 | #if EV_USE_SELECT |
… | |
… | |
2776 | |
2986 | |
2777 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2987 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2778 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2988 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2779 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2989 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2780 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2990 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2991 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2781 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2992 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2782 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2993 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2783 | |
2994 | |
2784 | return flags; |
2995 | return flags; |
2785 | } |
2996 | } |
… | |
… | |
2803 | #ifdef __FreeBSD__ |
3014 | #ifdef __FreeBSD__ |
2804 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3015 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2805 | #endif |
3016 | #endif |
2806 | |
3017 | |
2807 | /* TODO: linuxaio is very experimental */ |
3018 | /* TODO: linuxaio is very experimental */ |
|
|
3019 | #if !EV_RECOMMEND_LINUXAIO |
2808 | flags &= ~EVBACKEND_LINUXAIO; |
3020 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3021 | #endif |
|
|
3022 | /* TODO: linuxaio is super experimental */ |
|
|
3023 | #if !EV_RECOMMEND_IOURING |
|
|
3024 | flags &= ~EVBACKEND_IOURING; |
|
|
3025 | #endif |
2809 | |
3026 | |
2810 | return flags; |
3027 | return flags; |
2811 | } |
3028 | } |
2812 | |
3029 | |
2813 | ecb_cold |
3030 | ecb_cold |
… | |
… | |
2818 | |
3035 | |
2819 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3036 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2820 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3037 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2821 | flags &= ~EVBACKEND_EPOLL; |
3038 | flags &= ~EVBACKEND_EPOLL; |
2822 | |
3039 | |
|
|
3040 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3041 | |
|
|
3042 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
3043 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
3044 | * if the kernel ever is fixed, this might change... |
|
|
3045 | */ |
|
|
3046 | |
2823 | return flags; |
3047 | return flags; |
2824 | } |
3048 | } |
2825 | |
3049 | |
2826 | unsigned int |
3050 | unsigned int |
2827 | ev_backend (EV_P) EV_NOEXCEPT |
3051 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2879 | acquire_cb = acquire; |
3103 | acquire_cb = acquire; |
2880 | } |
3104 | } |
2881 | #endif |
3105 | #endif |
2882 | |
3106 | |
2883 | /* initialise a loop structure, must be zero-initialised */ |
3107 | /* initialise a loop structure, must be zero-initialised */ |
2884 | noinline ecb_cold |
3108 | ecb_noinline ecb_cold |
2885 | static void |
3109 | static void |
2886 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3110 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2887 | { |
3111 | { |
2888 | if (!backend) |
3112 | if (!backend) |
2889 | { |
3113 | { |
… | |
… | |
2944 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3168 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2945 | #endif |
3169 | #endif |
2946 | #if EV_USE_SIGNALFD |
3170 | #if EV_USE_SIGNALFD |
2947 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3171 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2948 | #endif |
3172 | #endif |
|
|
3173 | #if EV_USE_TIMERFD |
|
|
3174 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3175 | #endif |
2949 | |
3176 | |
2950 | if (!(flags & EVBACKEND_MASK)) |
3177 | if (!(flags & EVBACKEND_MASK)) |
2951 | flags |= ev_recommended_backends (); |
3178 | flags |= ev_recommended_backends (); |
2952 | |
3179 | |
2953 | #if EV_USE_IOCP |
3180 | #if EV_USE_IOCP |
… | |
… | |
2956 | #if EV_USE_PORT |
3183 | #if EV_USE_PORT |
2957 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3184 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2958 | #endif |
3185 | #endif |
2959 | #if EV_USE_KQUEUE |
3186 | #if EV_USE_KQUEUE |
2960 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
3187 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3188 | #endif |
|
|
3189 | #if EV_USE_IOURING |
|
|
3190 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
2961 | #endif |
3191 | #endif |
2962 | #if EV_USE_LINUXAIO |
3192 | #if EV_USE_LINUXAIO |
2963 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3193 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2964 | #endif |
3194 | #endif |
2965 | #if EV_USE_EPOLL |
3195 | #if EV_USE_EPOLL |
… | |
… | |
2994 | return; |
3224 | return; |
2995 | #endif |
3225 | #endif |
2996 | |
3226 | |
2997 | #if EV_CLEANUP_ENABLE |
3227 | #if EV_CLEANUP_ENABLE |
2998 | /* queue cleanup watchers (and execute them) */ |
3228 | /* queue cleanup watchers (and execute them) */ |
2999 | if (expect_false (cleanupcnt)) |
3229 | if (ecb_expect_false (cleanupcnt)) |
3000 | { |
3230 | { |
3001 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3231 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3002 | EV_INVOKE_PENDING; |
3232 | EV_INVOKE_PENDING; |
3003 | } |
3233 | } |
3004 | #endif |
3234 | #endif |
… | |
… | |
3023 | #if EV_USE_SIGNALFD |
3253 | #if EV_USE_SIGNALFD |
3024 | if (ev_is_active (&sigfd_w)) |
3254 | if (ev_is_active (&sigfd_w)) |
3025 | close (sigfd); |
3255 | close (sigfd); |
3026 | #endif |
3256 | #endif |
3027 | |
3257 | |
|
|
3258 | #if EV_USE_TIMERFD |
|
|
3259 | if (ev_is_active (&timerfd_w)) |
|
|
3260 | close (timerfd); |
|
|
3261 | #endif |
|
|
3262 | |
3028 | #if EV_USE_INOTIFY |
3263 | #if EV_USE_INOTIFY |
3029 | if (fs_fd >= 0) |
3264 | if (fs_fd >= 0) |
3030 | close (fs_fd); |
3265 | close (fs_fd); |
3031 | #endif |
3266 | #endif |
3032 | |
3267 | |
… | |
… | |
3039 | #if EV_USE_PORT |
3274 | #if EV_USE_PORT |
3040 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3275 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3041 | #endif |
3276 | #endif |
3042 | #if EV_USE_KQUEUE |
3277 | #if EV_USE_KQUEUE |
3043 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
3278 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3279 | #endif |
|
|
3280 | #if EV_USE_IOURING |
|
|
3281 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
3044 | #endif |
3282 | #endif |
3045 | #if EV_USE_LINUXAIO |
3283 | #if EV_USE_LINUXAIO |
3046 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3284 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3047 | #endif |
3285 | #endif |
3048 | #if EV_USE_EPOLL |
3286 | #if EV_USE_EPOLL |
… | |
… | |
3107 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3345 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3108 | #endif |
3346 | #endif |
3109 | #if EV_USE_KQUEUE |
3347 | #if EV_USE_KQUEUE |
3110 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3348 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3111 | #endif |
3349 | #endif |
|
|
3350 | #if EV_USE_IOURING |
|
|
3351 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3352 | #endif |
3112 | #if EV_USE_LINUXAIO |
3353 | #if EV_USE_LINUXAIO |
3113 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3354 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3114 | #endif |
3355 | #endif |
3115 | #if EV_USE_EPOLL |
3356 | #if EV_USE_EPOLL |
3116 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3357 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3117 | #endif |
3358 | #endif |
3118 | #if EV_USE_INOTIFY |
3359 | #if EV_USE_INOTIFY |
3119 | infy_fork (EV_A); |
3360 | infy_fork (EV_A); |
3120 | #endif |
3361 | #endif |
3121 | |
3362 | |
|
|
3363 | if (postfork != 2) |
|
|
3364 | { |
|
|
3365 | #if EV_USE_SIGNALFD |
|
|
3366 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3367 | #endif |
|
|
3368 | |
|
|
3369 | #if EV_USE_TIMERFD |
|
|
3370 | if (ev_is_active (&timerfd_w)) |
|
|
3371 | { |
|
|
3372 | ev_ref (EV_A); |
|
|
3373 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3374 | |
|
|
3375 | close (timerfd); |
|
|
3376 | timerfd = -2; |
|
|
3377 | |
|
|
3378 | evtimerfd_init (EV_A); |
|
|
3379 | /* reschedule periodics, in case we missed something */ |
|
|
3380 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3381 | } |
|
|
3382 | #endif |
|
|
3383 | |
3122 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3384 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3123 | if (ev_is_active (&pipe_w) && postfork != 2) |
3385 | if (ev_is_active (&pipe_w)) |
3124 | { |
3386 | { |
3125 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3387 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3126 | |
3388 | |
3127 | ev_ref (EV_A); |
3389 | ev_ref (EV_A); |
3128 | ev_io_stop (EV_A_ &pipe_w); |
3390 | ev_io_stop (EV_A_ &pipe_w); |
3129 | |
3391 | |
3130 | if (evpipe [0] >= 0) |
3392 | if (evpipe [0] >= 0) |
3131 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3393 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3132 | |
3394 | |
3133 | evpipe_init (EV_A); |
3395 | evpipe_init (EV_A); |
3134 | /* iterate over everything, in case we missed something before */ |
3396 | /* iterate over everything, in case we missed something before */ |
3135 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3397 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3398 | } |
|
|
3399 | #endif |
3136 | } |
3400 | } |
3137 | #endif |
|
|
3138 | |
3401 | |
3139 | postfork = 0; |
3402 | postfork = 0; |
3140 | } |
3403 | } |
3141 | |
3404 | |
3142 | #if EV_MULTIPLICITY |
3405 | #if EV_MULTIPLICITY |
… | |
… | |
3158 | } |
3421 | } |
3159 | |
3422 | |
3160 | #endif /* multiplicity */ |
3423 | #endif /* multiplicity */ |
3161 | |
3424 | |
3162 | #if EV_VERIFY |
3425 | #if EV_VERIFY |
3163 | noinline ecb_cold |
3426 | ecb_noinline ecb_cold |
3164 | static void |
3427 | static void |
3165 | verify_watcher (EV_P_ W w) |
3428 | verify_watcher (EV_P_ W w) |
3166 | { |
3429 | { |
3167 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3430 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3168 | |
3431 | |
3169 | if (w->pending) |
3432 | if (w->pending) |
3170 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3433 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3171 | } |
3434 | } |
3172 | |
3435 | |
3173 | noinline ecb_cold |
3436 | ecb_noinline ecb_cold |
3174 | static void |
3437 | static void |
3175 | verify_heap (EV_P_ ANHE *heap, int N) |
3438 | verify_heap (EV_P_ ANHE *heap, int N) |
3176 | { |
3439 | { |
3177 | int i; |
3440 | int i; |
3178 | |
3441 | |
… | |
… | |
3184 | |
3447 | |
3185 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3448 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3186 | } |
3449 | } |
3187 | } |
3450 | } |
3188 | |
3451 | |
3189 | noinline ecb_cold |
3452 | ecb_noinline ecb_cold |
3190 | static void |
3453 | static void |
3191 | array_verify (EV_P_ W *ws, int cnt) |
3454 | array_verify (EV_P_ W *ws, int cnt) |
3192 | { |
3455 | { |
3193 | while (cnt--) |
3456 | while (cnt--) |
3194 | { |
3457 | { |
… | |
… | |
3343 | count += pendingcnt [pri]; |
3606 | count += pendingcnt [pri]; |
3344 | |
3607 | |
3345 | return count; |
3608 | return count; |
3346 | } |
3609 | } |
3347 | |
3610 | |
3348 | noinline |
3611 | ecb_noinline |
3349 | void |
3612 | void |
3350 | ev_invoke_pending (EV_P) |
3613 | ev_invoke_pending (EV_P) |
3351 | { |
3614 | { |
3352 | pendingpri = NUMPRI; |
3615 | pendingpri = NUMPRI; |
3353 | |
3616 | |
… | |
… | |
3372 | /* make idle watchers pending. this handles the "call-idle */ |
3635 | /* make idle watchers pending. this handles the "call-idle */ |
3373 | /* only when higher priorities are idle" logic */ |
3636 | /* only when higher priorities are idle" logic */ |
3374 | inline_size void |
3637 | inline_size void |
3375 | idle_reify (EV_P) |
3638 | idle_reify (EV_P) |
3376 | { |
3639 | { |
3377 | if (expect_false (idleall)) |
3640 | if (ecb_expect_false (idleall)) |
3378 | { |
3641 | { |
3379 | int pri; |
3642 | int pri; |
3380 | |
3643 | |
3381 | for (pri = NUMPRI; pri--; ) |
3644 | for (pri = NUMPRI; pri--; ) |
3382 | { |
3645 | { |
… | |
… | |
3412 | { |
3675 | { |
3413 | ev_at (w) += w->repeat; |
3676 | ev_at (w) += w->repeat; |
3414 | if (ev_at (w) < mn_now) |
3677 | if (ev_at (w) < mn_now) |
3415 | ev_at (w) = mn_now; |
3678 | ev_at (w) = mn_now; |
3416 | |
3679 | |
3417 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3680 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3418 | |
3681 | |
3419 | ANHE_at_cache (timers [HEAP0]); |
3682 | ANHE_at_cache (timers [HEAP0]); |
3420 | downheap (timers, timercnt, HEAP0); |
3683 | downheap (timers, timercnt, HEAP0); |
3421 | } |
3684 | } |
3422 | else |
3685 | else |
… | |
… | |
3431 | } |
3694 | } |
3432 | } |
3695 | } |
3433 | |
3696 | |
3434 | #if EV_PERIODIC_ENABLE |
3697 | #if EV_PERIODIC_ENABLE |
3435 | |
3698 | |
3436 | noinline |
3699 | ecb_noinline |
3437 | static void |
3700 | static void |
3438 | periodic_recalc (EV_P_ ev_periodic *w) |
3701 | periodic_recalc (EV_P_ ev_periodic *w) |
3439 | { |
3702 | { |
3440 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3703 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3441 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3704 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3444 | while (at <= ev_rt_now) |
3707 | while (at <= ev_rt_now) |
3445 | { |
3708 | { |
3446 | ev_tstamp nat = at + w->interval; |
3709 | ev_tstamp nat = at + w->interval; |
3447 | |
3710 | |
3448 | /* when resolution fails us, we use ev_rt_now */ |
3711 | /* when resolution fails us, we use ev_rt_now */ |
3449 | if (expect_false (nat == at)) |
3712 | if (ecb_expect_false (nat == at)) |
3450 | { |
3713 | { |
3451 | at = ev_rt_now; |
3714 | at = ev_rt_now; |
3452 | break; |
3715 | break; |
3453 | } |
3716 | } |
3454 | |
3717 | |
… | |
… | |
3500 | } |
3763 | } |
3501 | } |
3764 | } |
3502 | |
3765 | |
3503 | /* simply recalculate all periodics */ |
3766 | /* simply recalculate all periodics */ |
3504 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3767 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3505 | noinline ecb_cold |
3768 | ecb_noinline ecb_cold |
3506 | static void |
3769 | static void |
3507 | periodics_reschedule (EV_P) |
3770 | periodics_reschedule (EV_P) |
3508 | { |
3771 | { |
3509 | int i; |
3772 | int i; |
3510 | |
3773 | |
… | |
… | |
3524 | reheap (periodics, periodiccnt); |
3787 | reheap (periodics, periodiccnt); |
3525 | } |
3788 | } |
3526 | #endif |
3789 | #endif |
3527 | |
3790 | |
3528 | /* adjust all timers by a given offset */ |
3791 | /* adjust all timers by a given offset */ |
3529 | noinline ecb_cold |
3792 | ecb_noinline ecb_cold |
3530 | static void |
3793 | static void |
3531 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3794 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3532 | { |
3795 | { |
3533 | int i; |
3796 | int i; |
3534 | |
3797 | |
… | |
… | |
3544 | /* also detect if there was a timejump, and act accordingly */ |
3807 | /* also detect if there was a timejump, and act accordingly */ |
3545 | inline_speed void |
3808 | inline_speed void |
3546 | time_update (EV_P_ ev_tstamp max_block) |
3809 | time_update (EV_P_ ev_tstamp max_block) |
3547 | { |
3810 | { |
3548 | #if EV_USE_MONOTONIC |
3811 | #if EV_USE_MONOTONIC |
3549 | if (expect_true (have_monotonic)) |
3812 | if (ecb_expect_true (have_monotonic)) |
3550 | { |
3813 | { |
3551 | int i; |
3814 | int i; |
3552 | ev_tstamp odiff = rtmn_diff; |
3815 | ev_tstamp odiff = rtmn_diff; |
3553 | |
3816 | |
3554 | mn_now = get_clock (); |
3817 | mn_now = get_clock (); |
3555 | |
3818 | |
3556 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3819 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3557 | /* interpolate in the meantime */ |
3820 | /* interpolate in the meantime */ |
3558 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3821 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3559 | { |
3822 | { |
3560 | ev_rt_now = rtmn_diff + mn_now; |
3823 | ev_rt_now = rtmn_diff + mn_now; |
3561 | return; |
3824 | return; |
3562 | } |
3825 | } |
3563 | |
3826 | |
… | |
… | |
3577 | ev_tstamp diff; |
3840 | ev_tstamp diff; |
3578 | rtmn_diff = ev_rt_now - mn_now; |
3841 | rtmn_diff = ev_rt_now - mn_now; |
3579 | |
3842 | |
3580 | diff = odiff - rtmn_diff; |
3843 | diff = odiff - rtmn_diff; |
3581 | |
3844 | |
3582 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3845 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3583 | return; /* all is well */ |
3846 | return; /* all is well */ |
3584 | |
3847 | |
3585 | ev_rt_now = ev_time (); |
3848 | ev_rt_now = ev_time (); |
3586 | mn_now = get_clock (); |
3849 | mn_now = get_clock (); |
3587 | now_floor = mn_now; |
3850 | now_floor = mn_now; |
… | |
… | |
3596 | else |
3859 | else |
3597 | #endif |
3860 | #endif |
3598 | { |
3861 | { |
3599 | ev_rt_now = ev_time (); |
3862 | ev_rt_now = ev_time (); |
3600 | |
3863 | |
3601 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3864 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3602 | { |
3865 | { |
3603 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3866 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3604 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3867 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3605 | #if EV_PERIODIC_ENABLE |
3868 | #if EV_PERIODIC_ENABLE |
3606 | periodics_reschedule (EV_A); |
3869 | periodics_reschedule (EV_A); |
… | |
… | |
3629 | #if EV_VERIFY >= 2 |
3892 | #if EV_VERIFY >= 2 |
3630 | ev_verify (EV_A); |
3893 | ev_verify (EV_A); |
3631 | #endif |
3894 | #endif |
3632 | |
3895 | |
3633 | #ifndef _WIN32 |
3896 | #ifndef _WIN32 |
3634 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3897 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3635 | if (expect_false (getpid () != curpid)) |
3898 | if (ecb_expect_false (getpid () != curpid)) |
3636 | { |
3899 | { |
3637 | curpid = getpid (); |
3900 | curpid = getpid (); |
3638 | postfork = 1; |
3901 | postfork = 1; |
3639 | } |
3902 | } |
3640 | #endif |
3903 | #endif |
3641 | |
3904 | |
3642 | #if EV_FORK_ENABLE |
3905 | #if EV_FORK_ENABLE |
3643 | /* we might have forked, so queue fork handlers */ |
3906 | /* we might have forked, so queue fork handlers */ |
3644 | if (expect_false (postfork)) |
3907 | if (ecb_expect_false (postfork)) |
3645 | if (forkcnt) |
3908 | if (forkcnt) |
3646 | { |
3909 | { |
3647 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3910 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3648 | EV_INVOKE_PENDING; |
3911 | EV_INVOKE_PENDING; |
3649 | } |
3912 | } |
3650 | #endif |
3913 | #endif |
3651 | |
3914 | |
3652 | #if EV_PREPARE_ENABLE |
3915 | #if EV_PREPARE_ENABLE |
3653 | /* queue prepare watchers (and execute them) */ |
3916 | /* queue prepare watchers (and execute them) */ |
3654 | if (expect_false (preparecnt)) |
3917 | if (ecb_expect_false (preparecnt)) |
3655 | { |
3918 | { |
3656 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3919 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3657 | EV_INVOKE_PENDING; |
3920 | EV_INVOKE_PENDING; |
3658 | } |
3921 | } |
3659 | #endif |
3922 | #endif |
3660 | |
3923 | |
3661 | if (expect_false (loop_done)) |
3924 | if (ecb_expect_false (loop_done)) |
3662 | break; |
3925 | break; |
3663 | |
3926 | |
3664 | /* we might have forked, so reify kernel state if necessary */ |
3927 | /* we might have forked, so reify kernel state if necessary */ |
3665 | if (expect_false (postfork)) |
3928 | if (ecb_expect_false (postfork)) |
3666 | loop_fork (EV_A); |
3929 | loop_fork (EV_A); |
3667 | |
3930 | |
3668 | /* update fd-related kernel structures */ |
3931 | /* update fd-related kernel structures */ |
3669 | fd_reify (EV_A); |
3932 | fd_reify (EV_A); |
3670 | |
3933 | |
… | |
… | |
3675 | |
3938 | |
3676 | /* remember old timestamp for io_blocktime calculation */ |
3939 | /* remember old timestamp for io_blocktime calculation */ |
3677 | ev_tstamp prev_mn_now = mn_now; |
3940 | ev_tstamp prev_mn_now = mn_now; |
3678 | |
3941 | |
3679 | /* update time to cancel out callback processing overhead */ |
3942 | /* update time to cancel out callback processing overhead */ |
3680 | time_update (EV_A_ 1e100); |
3943 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3681 | |
3944 | |
3682 | /* from now on, we want a pipe-wake-up */ |
3945 | /* from now on, we want a pipe-wake-up */ |
3683 | pipe_write_wanted = 1; |
3946 | pipe_write_wanted = 1; |
3684 | |
3947 | |
3685 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3948 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3686 | |
3949 | |
3687 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3950 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3688 | { |
3951 | { |
3689 | waittime = MAX_BLOCKTIME; |
3952 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3690 | |
3953 | |
3691 | if (timercnt) |
3954 | if (timercnt) |
3692 | { |
3955 | { |
3693 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3956 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3694 | if (waittime > to) waittime = to; |
3957 | if (waittime > to) waittime = to; |
… | |
… | |
3701 | if (waittime > to) waittime = to; |
3964 | if (waittime > to) waittime = to; |
3702 | } |
3965 | } |
3703 | #endif |
3966 | #endif |
3704 | |
3967 | |
3705 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3968 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3706 | if (expect_false (waittime < timeout_blocktime)) |
3969 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3707 | waittime = timeout_blocktime; |
3970 | waittime = timeout_blocktime; |
3708 | |
3971 | |
3709 | /* at this point, we NEED to wait, so we have to ensure */ |
3972 | /* now there are two more special cases left, either we have |
3710 | /* to pass a minimum nonzero value to the backend */ |
3973 | * already-expired timers, so we should not sleep, or we have timers |
|
|
3974 | * that expire very soon, in which case we need to wait for a minimum |
|
|
3975 | * amount of time for some event loop backends. |
|
|
3976 | */ |
3711 | if (expect_false (waittime < backend_mintime)) |
3977 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
3978 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
3979 | ? EV_TS_CONST (0.) |
3712 | waittime = backend_mintime; |
3980 | : backend_mintime; |
3713 | |
3981 | |
3714 | /* extra check because io_blocktime is commonly 0 */ |
3982 | /* extra check because io_blocktime is commonly 0 */ |
3715 | if (expect_false (io_blocktime)) |
3983 | if (ecb_expect_false (io_blocktime)) |
3716 | { |
3984 | { |
3717 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3985 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3718 | |
3986 | |
3719 | if (sleeptime > waittime - backend_mintime) |
3987 | if (sleeptime > waittime - backend_mintime) |
3720 | sleeptime = waittime - backend_mintime; |
3988 | sleeptime = waittime - backend_mintime; |
3721 | |
3989 | |
3722 | if (expect_true (sleeptime > 0.)) |
3990 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3723 | { |
3991 | { |
3724 | ev_sleep (sleeptime); |
3992 | ev_sleep (sleeptime); |
3725 | waittime -= sleeptime; |
3993 | waittime -= sleeptime; |
3726 | } |
3994 | } |
3727 | } |
3995 | } |
… | |
… | |
3741 | { |
4009 | { |
3742 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4010 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3743 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4011 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3744 | } |
4012 | } |
3745 | |
4013 | |
3746 | |
|
|
3747 | /* update ev_rt_now, do magic */ |
4014 | /* update ev_rt_now, do magic */ |
3748 | time_update (EV_A_ waittime + sleeptime); |
4015 | time_update (EV_A_ waittime + sleeptime); |
3749 | } |
4016 | } |
3750 | |
4017 | |
3751 | /* queue pending timers and reschedule them */ |
4018 | /* queue pending timers and reschedule them */ |
… | |
… | |
3759 | idle_reify (EV_A); |
4026 | idle_reify (EV_A); |
3760 | #endif |
4027 | #endif |
3761 | |
4028 | |
3762 | #if EV_CHECK_ENABLE |
4029 | #if EV_CHECK_ENABLE |
3763 | /* queue check watchers, to be executed first */ |
4030 | /* queue check watchers, to be executed first */ |
3764 | if (expect_false (checkcnt)) |
4031 | if (ecb_expect_false (checkcnt)) |
3765 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4032 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3766 | #endif |
4033 | #endif |
3767 | |
4034 | |
3768 | EV_INVOKE_PENDING; |
4035 | EV_INVOKE_PENDING; |
3769 | } |
4036 | } |
3770 | while (expect_true ( |
4037 | while (ecb_expect_true ( |
3771 | activecnt |
4038 | activecnt |
3772 | && !loop_done |
4039 | && !loop_done |
3773 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4040 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3774 | )); |
4041 | )); |
3775 | |
4042 | |
… | |
… | |
3802 | } |
4069 | } |
3803 | |
4070 | |
3804 | void |
4071 | void |
3805 | ev_now_update (EV_P) EV_NOEXCEPT |
4072 | ev_now_update (EV_P) EV_NOEXCEPT |
3806 | { |
4073 | { |
3807 | time_update (EV_A_ 1e100); |
4074 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3808 | } |
4075 | } |
3809 | |
4076 | |
3810 | void |
4077 | void |
3811 | ev_suspend (EV_P) EV_NOEXCEPT |
4078 | ev_suspend (EV_P) EV_NOEXCEPT |
3812 | { |
4079 | { |
… | |
… | |
3839 | inline_size void |
4106 | inline_size void |
3840 | wlist_del (WL *head, WL elem) |
4107 | wlist_del (WL *head, WL elem) |
3841 | { |
4108 | { |
3842 | while (*head) |
4109 | while (*head) |
3843 | { |
4110 | { |
3844 | if (expect_true (*head == elem)) |
4111 | if (ecb_expect_true (*head == elem)) |
3845 | { |
4112 | { |
3846 | *head = elem->next; |
4113 | *head = elem->next; |
3847 | break; |
4114 | break; |
3848 | } |
4115 | } |
3849 | |
4116 | |
… | |
… | |
3866 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4133 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3867 | { |
4134 | { |
3868 | W w_ = (W)w; |
4135 | W w_ = (W)w; |
3869 | int pending = w_->pending; |
4136 | int pending = w_->pending; |
3870 | |
4137 | |
3871 | if (expect_true (pending)) |
4138 | if (ecb_expect_true (pending)) |
3872 | { |
4139 | { |
3873 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4140 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3874 | p->w = (W)&pending_w; |
4141 | p->w = (W)&pending_w; |
3875 | w_->pending = 0; |
4142 | w_->pending = 0; |
3876 | return p->events; |
4143 | return p->events; |
… | |
… | |
3903 | w->active = 0; |
4170 | w->active = 0; |
3904 | } |
4171 | } |
3905 | |
4172 | |
3906 | /*****************************************************************************/ |
4173 | /*****************************************************************************/ |
3907 | |
4174 | |
3908 | noinline |
4175 | ecb_noinline |
3909 | void |
4176 | void |
3910 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4177 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3911 | { |
4178 | { |
3912 | int fd = w->fd; |
4179 | int fd = w->fd; |
3913 | |
4180 | |
3914 | if (expect_false (ev_is_active (w))) |
4181 | if (ecb_expect_false (ev_is_active (w))) |
3915 | return; |
4182 | return; |
3916 | |
4183 | |
3917 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4184 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3918 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4185 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3919 | |
4186 | |
|
|
4187 | #if EV_VERIFY >= 2 |
|
|
4188 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4189 | #endif |
3920 | EV_FREQUENT_CHECK; |
4190 | EV_FREQUENT_CHECK; |
3921 | |
4191 | |
3922 | ev_start (EV_A_ (W)w, 1); |
4192 | ev_start (EV_A_ (W)w, 1); |
3923 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
4193 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3924 | wlist_add (&anfds[fd].head, (WL)w); |
4194 | wlist_add (&anfds[fd].head, (WL)w); |
… | |
… | |
3930 | w->events &= ~EV__IOFDSET; |
4200 | w->events &= ~EV__IOFDSET; |
3931 | |
4201 | |
3932 | EV_FREQUENT_CHECK; |
4202 | EV_FREQUENT_CHECK; |
3933 | } |
4203 | } |
3934 | |
4204 | |
3935 | noinline |
4205 | ecb_noinline |
3936 | void |
4206 | void |
3937 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4207 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3938 | { |
4208 | { |
3939 | clear_pending (EV_A_ (W)w); |
4209 | clear_pending (EV_A_ (W)w); |
3940 | if (expect_false (!ev_is_active (w))) |
4210 | if (ecb_expect_false (!ev_is_active (w))) |
3941 | return; |
4211 | return; |
3942 | |
4212 | |
3943 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4213 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3944 | |
4214 | |
|
|
4215 | #if EV_VERIFY >= 2 |
|
|
4216 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4217 | #endif |
3945 | EV_FREQUENT_CHECK; |
4218 | EV_FREQUENT_CHECK; |
3946 | |
4219 | |
3947 | wlist_del (&anfds[w->fd].head, (WL)w); |
4220 | wlist_del (&anfds[w->fd].head, (WL)w); |
3948 | ev_stop (EV_A_ (W)w); |
4221 | ev_stop (EV_A_ (W)w); |
3949 | |
4222 | |
3950 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4223 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3951 | |
4224 | |
3952 | EV_FREQUENT_CHECK; |
4225 | EV_FREQUENT_CHECK; |
3953 | } |
4226 | } |
3954 | |
4227 | |
3955 | noinline |
4228 | ecb_noinline |
3956 | void |
4229 | void |
3957 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4230 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3958 | { |
4231 | { |
3959 | if (expect_false (ev_is_active (w))) |
4232 | if (ecb_expect_false (ev_is_active (w))) |
3960 | return; |
4233 | return; |
3961 | |
4234 | |
3962 | ev_at (w) += mn_now; |
4235 | ev_at (w) += mn_now; |
3963 | |
4236 | |
3964 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4237 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
3975 | EV_FREQUENT_CHECK; |
4248 | EV_FREQUENT_CHECK; |
3976 | |
4249 | |
3977 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4250 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3978 | } |
4251 | } |
3979 | |
4252 | |
3980 | noinline |
4253 | ecb_noinline |
3981 | void |
4254 | void |
3982 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4255 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3983 | { |
4256 | { |
3984 | clear_pending (EV_A_ (W)w); |
4257 | clear_pending (EV_A_ (W)w); |
3985 | if (expect_false (!ev_is_active (w))) |
4258 | if (ecb_expect_false (!ev_is_active (w))) |
3986 | return; |
4259 | return; |
3987 | |
4260 | |
3988 | EV_FREQUENT_CHECK; |
4261 | EV_FREQUENT_CHECK; |
3989 | |
4262 | |
3990 | { |
4263 | { |
… | |
… | |
3992 | |
4265 | |
3993 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4266 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3994 | |
4267 | |
3995 | --timercnt; |
4268 | --timercnt; |
3996 | |
4269 | |
3997 | if (expect_true (active < timercnt + HEAP0)) |
4270 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3998 | { |
4271 | { |
3999 | timers [active] = timers [timercnt + HEAP0]; |
4272 | timers [active] = timers [timercnt + HEAP0]; |
4000 | adjustheap (timers, timercnt, active); |
4273 | adjustheap (timers, timercnt, active); |
4001 | } |
4274 | } |
4002 | } |
4275 | } |
… | |
… | |
4006 | ev_stop (EV_A_ (W)w); |
4279 | ev_stop (EV_A_ (W)w); |
4007 | |
4280 | |
4008 | EV_FREQUENT_CHECK; |
4281 | EV_FREQUENT_CHECK; |
4009 | } |
4282 | } |
4010 | |
4283 | |
4011 | noinline |
4284 | ecb_noinline |
4012 | void |
4285 | void |
4013 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4286 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4014 | { |
4287 | { |
4015 | EV_FREQUENT_CHECK; |
4288 | EV_FREQUENT_CHECK; |
4016 | |
4289 | |
… | |
… | |
4037 | } |
4310 | } |
4038 | |
4311 | |
4039 | ev_tstamp |
4312 | ev_tstamp |
4040 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4313 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4041 | { |
4314 | { |
4042 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4315 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
4043 | } |
4316 | } |
4044 | |
4317 | |
4045 | #if EV_PERIODIC_ENABLE |
4318 | #if EV_PERIODIC_ENABLE |
4046 | noinline |
4319 | ecb_noinline |
4047 | void |
4320 | void |
4048 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4321 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4049 | { |
4322 | { |
4050 | if (expect_false (ev_is_active (w))) |
4323 | if (ecb_expect_false (ev_is_active (w))) |
4051 | return; |
4324 | return; |
|
|
4325 | |
|
|
4326 | #if EV_USE_TIMERFD |
|
|
4327 | if (timerfd == -2) |
|
|
4328 | evtimerfd_init (EV_A); |
|
|
4329 | #endif |
4052 | |
4330 | |
4053 | if (w->reschedule_cb) |
4331 | if (w->reschedule_cb) |
4054 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4332 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4055 | else if (w->interval) |
4333 | else if (w->interval) |
4056 | { |
4334 | { |
… | |
… | |
4072 | EV_FREQUENT_CHECK; |
4350 | EV_FREQUENT_CHECK; |
4073 | |
4351 | |
4074 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4352 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4075 | } |
4353 | } |
4076 | |
4354 | |
4077 | noinline |
4355 | ecb_noinline |
4078 | void |
4356 | void |
4079 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4357 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4080 | { |
4358 | { |
4081 | clear_pending (EV_A_ (W)w); |
4359 | clear_pending (EV_A_ (W)w); |
4082 | if (expect_false (!ev_is_active (w))) |
4360 | if (ecb_expect_false (!ev_is_active (w))) |
4083 | return; |
4361 | return; |
4084 | |
4362 | |
4085 | EV_FREQUENT_CHECK; |
4363 | EV_FREQUENT_CHECK; |
4086 | |
4364 | |
4087 | { |
4365 | { |
… | |
… | |
4089 | |
4367 | |
4090 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4368 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4091 | |
4369 | |
4092 | --periodiccnt; |
4370 | --periodiccnt; |
4093 | |
4371 | |
4094 | if (expect_true (active < periodiccnt + HEAP0)) |
4372 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4095 | { |
4373 | { |
4096 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4374 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4097 | adjustheap (periodics, periodiccnt, active); |
4375 | adjustheap (periodics, periodiccnt, active); |
4098 | } |
4376 | } |
4099 | } |
4377 | } |
… | |
… | |
4101 | ev_stop (EV_A_ (W)w); |
4379 | ev_stop (EV_A_ (W)w); |
4102 | |
4380 | |
4103 | EV_FREQUENT_CHECK; |
4381 | EV_FREQUENT_CHECK; |
4104 | } |
4382 | } |
4105 | |
4383 | |
4106 | noinline |
4384 | ecb_noinline |
4107 | void |
4385 | void |
4108 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4386 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4109 | { |
4387 | { |
4110 | /* TODO: use adjustheap and recalculation */ |
4388 | /* TODO: use adjustheap and recalculation */ |
4111 | ev_periodic_stop (EV_A_ w); |
4389 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4117 | # define SA_RESTART 0 |
4395 | # define SA_RESTART 0 |
4118 | #endif |
4396 | #endif |
4119 | |
4397 | |
4120 | #if EV_SIGNAL_ENABLE |
4398 | #if EV_SIGNAL_ENABLE |
4121 | |
4399 | |
4122 | noinline |
4400 | ecb_noinline |
4123 | void |
4401 | void |
4124 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4402 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4125 | { |
4403 | { |
4126 | if (expect_false (ev_is_active (w))) |
4404 | if (ecb_expect_false (ev_is_active (w))) |
4127 | return; |
4405 | return; |
4128 | |
4406 | |
4129 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4407 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4130 | |
4408 | |
4131 | #if EV_MULTIPLICITY |
4409 | #if EV_MULTIPLICITY |
… | |
… | |
4200 | } |
4478 | } |
4201 | |
4479 | |
4202 | EV_FREQUENT_CHECK; |
4480 | EV_FREQUENT_CHECK; |
4203 | } |
4481 | } |
4204 | |
4482 | |
4205 | noinline |
4483 | ecb_noinline |
4206 | void |
4484 | void |
4207 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4485 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4208 | { |
4486 | { |
4209 | clear_pending (EV_A_ (W)w); |
4487 | clear_pending (EV_A_ (W)w); |
4210 | if (expect_false (!ev_is_active (w))) |
4488 | if (ecb_expect_false (!ev_is_active (w))) |
4211 | return; |
4489 | return; |
4212 | |
4490 | |
4213 | EV_FREQUENT_CHECK; |
4491 | EV_FREQUENT_CHECK; |
4214 | |
4492 | |
4215 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4493 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4248 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4526 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4249 | { |
4527 | { |
4250 | #if EV_MULTIPLICITY |
4528 | #if EV_MULTIPLICITY |
4251 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4529 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4252 | #endif |
4530 | #endif |
4253 | if (expect_false (ev_is_active (w))) |
4531 | if (ecb_expect_false (ev_is_active (w))) |
4254 | return; |
4532 | return; |
4255 | |
4533 | |
4256 | EV_FREQUENT_CHECK; |
4534 | EV_FREQUENT_CHECK; |
4257 | |
4535 | |
4258 | ev_start (EV_A_ (W)w, 1); |
4536 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4263 | |
4541 | |
4264 | void |
4542 | void |
4265 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4543 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4266 | { |
4544 | { |
4267 | clear_pending (EV_A_ (W)w); |
4545 | clear_pending (EV_A_ (W)w); |
4268 | if (expect_false (!ev_is_active (w))) |
4546 | if (ecb_expect_false (!ev_is_active (w))) |
4269 | return; |
4547 | return; |
4270 | |
4548 | |
4271 | EV_FREQUENT_CHECK; |
4549 | EV_FREQUENT_CHECK; |
4272 | |
4550 | |
4273 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4551 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4287 | |
4565 | |
4288 | #define DEF_STAT_INTERVAL 5.0074891 |
4566 | #define DEF_STAT_INTERVAL 5.0074891 |
4289 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4567 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4290 | #define MIN_STAT_INTERVAL 0.1074891 |
4568 | #define MIN_STAT_INTERVAL 0.1074891 |
4291 | |
4569 | |
4292 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4570 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4293 | |
4571 | |
4294 | #if EV_USE_INOTIFY |
4572 | #if EV_USE_INOTIFY |
4295 | |
4573 | |
4296 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4574 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4297 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4575 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4298 | |
4576 | |
4299 | noinline |
4577 | ecb_noinline |
4300 | static void |
4578 | static void |
4301 | infy_add (EV_P_ ev_stat *w) |
4579 | infy_add (EV_P_ ev_stat *w) |
4302 | { |
4580 | { |
4303 | w->wd = inotify_add_watch (fs_fd, w->path, |
4581 | w->wd = inotify_add_watch (fs_fd, w->path, |
4304 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4582 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4369 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4647 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4370 | ev_timer_again (EV_A_ &w->timer); |
4648 | ev_timer_again (EV_A_ &w->timer); |
4371 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4649 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4372 | } |
4650 | } |
4373 | |
4651 | |
4374 | noinline |
4652 | ecb_noinline |
4375 | static void |
4653 | static void |
4376 | infy_del (EV_P_ ev_stat *w) |
4654 | infy_del (EV_P_ ev_stat *w) |
4377 | { |
4655 | { |
4378 | int slot; |
4656 | int slot; |
4379 | int wd = w->wd; |
4657 | int wd = w->wd; |
… | |
… | |
4387 | |
4665 | |
4388 | /* remove this watcher, if others are watching it, they will rearm */ |
4666 | /* remove this watcher, if others are watching it, they will rearm */ |
4389 | inotify_rm_watch (fs_fd, wd); |
4667 | inotify_rm_watch (fs_fd, wd); |
4390 | } |
4668 | } |
4391 | |
4669 | |
4392 | noinline |
4670 | ecb_noinline |
4393 | static void |
4671 | static void |
4394 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4672 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4395 | { |
4673 | { |
4396 | if (slot < 0) |
4674 | if (slot < 0) |
4397 | /* overflow, need to check for all hash slots */ |
4675 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4543 | w->attr.st_nlink = 0; |
4821 | w->attr.st_nlink = 0; |
4544 | else if (!w->attr.st_nlink) |
4822 | else if (!w->attr.st_nlink) |
4545 | w->attr.st_nlink = 1; |
4823 | w->attr.st_nlink = 1; |
4546 | } |
4824 | } |
4547 | |
4825 | |
4548 | noinline |
4826 | ecb_noinline |
4549 | static void |
4827 | static void |
4550 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4828 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4551 | { |
4829 | { |
4552 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4830 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4553 | |
4831 | |
… | |
… | |
4587 | } |
4865 | } |
4588 | |
4866 | |
4589 | void |
4867 | void |
4590 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4868 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4591 | { |
4869 | { |
4592 | if (expect_false (ev_is_active (w))) |
4870 | if (ecb_expect_false (ev_is_active (w))) |
4593 | return; |
4871 | return; |
4594 | |
4872 | |
4595 | ev_stat_stat (EV_A_ w); |
4873 | ev_stat_stat (EV_A_ w); |
4596 | |
4874 | |
4597 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4875 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4619 | |
4897 | |
4620 | void |
4898 | void |
4621 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4899 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4622 | { |
4900 | { |
4623 | clear_pending (EV_A_ (W)w); |
4901 | clear_pending (EV_A_ (W)w); |
4624 | if (expect_false (!ev_is_active (w))) |
4902 | if (ecb_expect_false (!ev_is_active (w))) |
4625 | return; |
4903 | return; |
4626 | |
4904 | |
4627 | EV_FREQUENT_CHECK; |
4905 | EV_FREQUENT_CHECK; |
4628 | |
4906 | |
4629 | #if EV_USE_INOTIFY |
4907 | #if EV_USE_INOTIFY |
… | |
… | |
4644 | |
4922 | |
4645 | #if EV_IDLE_ENABLE |
4923 | #if EV_IDLE_ENABLE |
4646 | void |
4924 | void |
4647 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4925 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4648 | { |
4926 | { |
4649 | if (expect_false (ev_is_active (w))) |
4927 | if (ecb_expect_false (ev_is_active (w))) |
4650 | return; |
4928 | return; |
4651 | |
4929 | |
4652 | pri_adjust (EV_A_ (W)w); |
4930 | pri_adjust (EV_A_ (W)w); |
4653 | |
4931 | |
4654 | EV_FREQUENT_CHECK; |
4932 | EV_FREQUENT_CHECK; |
… | |
… | |
4668 | |
4946 | |
4669 | void |
4947 | void |
4670 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4948 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4671 | { |
4949 | { |
4672 | clear_pending (EV_A_ (W)w); |
4950 | clear_pending (EV_A_ (W)w); |
4673 | if (expect_false (!ev_is_active (w))) |
4951 | if (ecb_expect_false (!ev_is_active (w))) |
4674 | return; |
4952 | return; |
4675 | |
4953 | |
4676 | EV_FREQUENT_CHECK; |
4954 | EV_FREQUENT_CHECK; |
4677 | |
4955 | |
4678 | { |
4956 | { |
… | |
… | |
4691 | |
4969 | |
4692 | #if EV_PREPARE_ENABLE |
4970 | #if EV_PREPARE_ENABLE |
4693 | void |
4971 | void |
4694 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4972 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4695 | { |
4973 | { |
4696 | if (expect_false (ev_is_active (w))) |
4974 | if (ecb_expect_false (ev_is_active (w))) |
4697 | return; |
4975 | return; |
4698 | |
4976 | |
4699 | EV_FREQUENT_CHECK; |
4977 | EV_FREQUENT_CHECK; |
4700 | |
4978 | |
4701 | ev_start (EV_A_ (W)w, ++preparecnt); |
4979 | ev_start (EV_A_ (W)w, ++preparecnt); |
… | |
… | |
4707 | |
4985 | |
4708 | void |
4986 | void |
4709 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4987 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4710 | { |
4988 | { |
4711 | clear_pending (EV_A_ (W)w); |
4989 | clear_pending (EV_A_ (W)w); |
4712 | if (expect_false (!ev_is_active (w))) |
4990 | if (ecb_expect_false (!ev_is_active (w))) |
4713 | return; |
4991 | return; |
4714 | |
4992 | |
4715 | EV_FREQUENT_CHECK; |
4993 | EV_FREQUENT_CHECK; |
4716 | |
4994 | |
4717 | { |
4995 | { |
… | |
… | |
4729 | |
5007 | |
4730 | #if EV_CHECK_ENABLE |
5008 | #if EV_CHECK_ENABLE |
4731 | void |
5009 | void |
4732 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
5010 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4733 | { |
5011 | { |
4734 | if (expect_false (ev_is_active (w))) |
5012 | if (ecb_expect_false (ev_is_active (w))) |
4735 | return; |
5013 | return; |
4736 | |
5014 | |
4737 | EV_FREQUENT_CHECK; |
5015 | EV_FREQUENT_CHECK; |
4738 | |
5016 | |
4739 | ev_start (EV_A_ (W)w, ++checkcnt); |
5017 | ev_start (EV_A_ (W)w, ++checkcnt); |
… | |
… | |
4745 | |
5023 | |
4746 | void |
5024 | void |
4747 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
5025 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4748 | { |
5026 | { |
4749 | clear_pending (EV_A_ (W)w); |
5027 | clear_pending (EV_A_ (W)w); |
4750 | if (expect_false (!ev_is_active (w))) |
5028 | if (ecb_expect_false (!ev_is_active (w))) |
4751 | return; |
5029 | return; |
4752 | |
5030 | |
4753 | EV_FREQUENT_CHECK; |
5031 | EV_FREQUENT_CHECK; |
4754 | |
5032 | |
4755 | { |
5033 | { |
… | |
… | |
4764 | EV_FREQUENT_CHECK; |
5042 | EV_FREQUENT_CHECK; |
4765 | } |
5043 | } |
4766 | #endif |
5044 | #endif |
4767 | |
5045 | |
4768 | #if EV_EMBED_ENABLE |
5046 | #if EV_EMBED_ENABLE |
4769 | noinline |
5047 | ecb_noinline |
4770 | void |
5048 | void |
4771 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
5049 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4772 | { |
5050 | { |
4773 | ev_run (w->other, EVRUN_NOWAIT); |
5051 | ev_run (w->other, EVRUN_NOWAIT); |
4774 | } |
5052 | } |
… | |
… | |
4826 | #endif |
5104 | #endif |
4827 | |
5105 | |
4828 | void |
5106 | void |
4829 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
5107 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4830 | { |
5108 | { |
4831 | if (expect_false (ev_is_active (w))) |
5109 | if (ecb_expect_false (ev_is_active (w))) |
4832 | return; |
5110 | return; |
4833 | |
5111 | |
4834 | { |
5112 | { |
4835 | EV_P = w->other; |
5113 | EV_P = w->other; |
4836 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5114 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4858 | |
5136 | |
4859 | void |
5137 | void |
4860 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5138 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4861 | { |
5139 | { |
4862 | clear_pending (EV_A_ (W)w); |
5140 | clear_pending (EV_A_ (W)w); |
4863 | if (expect_false (!ev_is_active (w))) |
5141 | if (ecb_expect_false (!ev_is_active (w))) |
4864 | return; |
5142 | return; |
4865 | |
5143 | |
4866 | EV_FREQUENT_CHECK; |
5144 | EV_FREQUENT_CHECK; |
4867 | |
5145 | |
4868 | ev_io_stop (EV_A_ &w->io); |
5146 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4877 | |
5155 | |
4878 | #if EV_FORK_ENABLE |
5156 | #if EV_FORK_ENABLE |
4879 | void |
5157 | void |
4880 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5158 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4881 | { |
5159 | { |
4882 | if (expect_false (ev_is_active (w))) |
5160 | if (ecb_expect_false (ev_is_active (w))) |
4883 | return; |
5161 | return; |
4884 | |
5162 | |
4885 | EV_FREQUENT_CHECK; |
5163 | EV_FREQUENT_CHECK; |
4886 | |
5164 | |
4887 | ev_start (EV_A_ (W)w, ++forkcnt); |
5165 | ev_start (EV_A_ (W)w, ++forkcnt); |
… | |
… | |
4893 | |
5171 | |
4894 | void |
5172 | void |
4895 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5173 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4896 | { |
5174 | { |
4897 | clear_pending (EV_A_ (W)w); |
5175 | clear_pending (EV_A_ (W)w); |
4898 | if (expect_false (!ev_is_active (w))) |
5176 | if (ecb_expect_false (!ev_is_active (w))) |
4899 | return; |
5177 | return; |
4900 | |
5178 | |
4901 | EV_FREQUENT_CHECK; |
5179 | EV_FREQUENT_CHECK; |
4902 | |
5180 | |
4903 | { |
5181 | { |
… | |
… | |
4915 | |
5193 | |
4916 | #if EV_CLEANUP_ENABLE |
5194 | #if EV_CLEANUP_ENABLE |
4917 | void |
5195 | void |
4918 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5196 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4919 | { |
5197 | { |
4920 | if (expect_false (ev_is_active (w))) |
5198 | if (ecb_expect_false (ev_is_active (w))) |
4921 | return; |
5199 | return; |
4922 | |
5200 | |
4923 | EV_FREQUENT_CHECK; |
5201 | EV_FREQUENT_CHECK; |
4924 | |
5202 | |
4925 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5203 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
… | |
… | |
4933 | |
5211 | |
4934 | void |
5212 | void |
4935 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5213 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4936 | { |
5214 | { |
4937 | clear_pending (EV_A_ (W)w); |
5215 | clear_pending (EV_A_ (W)w); |
4938 | if (expect_false (!ev_is_active (w))) |
5216 | if (ecb_expect_false (!ev_is_active (w))) |
4939 | return; |
5217 | return; |
4940 | |
5218 | |
4941 | EV_FREQUENT_CHECK; |
5219 | EV_FREQUENT_CHECK; |
4942 | ev_ref (EV_A); |
5220 | ev_ref (EV_A); |
4943 | |
5221 | |
… | |
… | |
4956 | |
5234 | |
4957 | #if EV_ASYNC_ENABLE |
5235 | #if EV_ASYNC_ENABLE |
4958 | void |
5236 | void |
4959 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5237 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4960 | { |
5238 | { |
4961 | if (expect_false (ev_is_active (w))) |
5239 | if (ecb_expect_false (ev_is_active (w))) |
4962 | return; |
5240 | return; |
4963 | |
5241 | |
4964 | w->sent = 0; |
5242 | w->sent = 0; |
4965 | |
5243 | |
4966 | evpipe_init (EV_A); |
5244 | evpipe_init (EV_A); |
… | |
… | |
4976 | |
5254 | |
4977 | void |
5255 | void |
4978 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5256 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4979 | { |
5257 | { |
4980 | clear_pending (EV_A_ (W)w); |
5258 | clear_pending (EV_A_ (W)w); |
4981 | if (expect_false (!ev_is_active (w))) |
5259 | if (ecb_expect_false (!ev_is_active (w))) |
4982 | return; |
5260 | return; |
4983 | |
5261 | |
4984 | EV_FREQUENT_CHECK; |
5262 | EV_FREQUENT_CHECK; |
4985 | |
5263 | |
4986 | { |
5264 | { |