… | |
… | |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
120 | # if HAVE_LINUX_AIO_ABI_H |
120 | # if HAVE_LINUX_AIO_ABI_H |
121 | # ifndef EV_USE_LINUXAIO |
121 | # ifndef EV_USE_LINUXAIO |
122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
122 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
123 | # endif |
123 | # endif |
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 |
… | |
… | |
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 |
330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
331 | # define EV_USE_LINUXAIO 1 |
349 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
332 | # else |
350 | # else |
333 | # 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 |
334 | # endif |
360 | # endif |
335 | #endif |
361 | #endif |
336 | |
362 | |
337 | #ifndef EV_USE_INOTIFY |
363 | #ifndef EV_USE_INOTIFY |
338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
364 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
… | |
… | |
361 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
362 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
363 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
364 | # else |
390 | # else |
365 | # 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 |
366 | # endif |
400 | # endif |
367 | #endif |
401 | #endif |
368 | |
402 | |
369 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
370 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
… | |
… | |
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 || !EV_USE_EPOLL |
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 && !EV_FEATURE_CODE |
|
|
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) |
… | |
… | |
1617 | #else |
1766 | #else |
1618 | |
1767 | |
1619 | #include <float.h> |
1768 | #include <float.h> |
1620 | |
1769 | |
1621 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1770 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1622 | noinline |
1771 | ecb_noinline |
1623 | static ev_tstamp |
1772 | static ev_tstamp |
1624 | ev_floor (ev_tstamp v) |
1773 | ev_floor (ev_tstamp v) |
1625 | { |
1774 | { |
1626 | /* the choice of shift factor is not terribly important */ |
1775 | /* the choice of shift factor is not terribly important */ |
1627 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1776 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1777 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1629 | #else |
1778 | #else |
1630 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1779 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1631 | #endif |
1780 | #endif |
1632 | |
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 | |
1633 | /* argument too large for an unsigned long? */ |
1790 | /* argument too large for an unsigned long? then reduce it */ |
1634 | if (expect_false (v >= shift)) |
1791 | if (ecb_expect_false (v >= shift)) |
1635 | { |
1792 | { |
1636 | ev_tstamp f; |
1793 | ev_tstamp f; |
1637 | |
1794 | |
1638 | if (v == v - 1.) |
1795 | if (v == v - 1.) |
1639 | return v; /* very large number */ |
1796 | return v; /* very large numbers are assumed to be integer */ |
1640 | |
1797 | |
1641 | f = shift * ev_floor (v * (1. / shift)); |
1798 | f = shift * ev_floor (v * (1. / shift)); |
1642 | return f + ev_floor (v - f); |
1799 | return f + ev_floor (v - f); |
1643 | } |
1800 | } |
1644 | |
1801 | |
1645 | /* special treatment for negative args? */ |
|
|
1646 | if (expect_false (v < 0.)) |
|
|
1647 | { |
|
|
1648 | ev_tstamp f = -ev_floor (-v); |
|
|
1649 | |
|
|
1650 | return f - (f == v ? 0 : 1); |
|
|
1651 | } |
|
|
1652 | |
|
|
1653 | /* fits into an unsigned long */ |
1802 | /* fits into an unsigned long */ |
1654 | return (unsigned long)v; |
1803 | return (unsigned long)v; |
1655 | } |
1804 | } |
1656 | |
1805 | |
1657 | #endif |
1806 | #endif |
… | |
… | |
1660 | |
1809 | |
1661 | #ifdef __linux |
1810 | #ifdef __linux |
1662 | # include <sys/utsname.h> |
1811 | # include <sys/utsname.h> |
1663 | #endif |
1812 | #endif |
1664 | |
1813 | |
1665 | noinline ecb_cold |
1814 | ecb_noinline ecb_cold |
1666 | static unsigned int |
1815 | static unsigned int |
1667 | ev_linux_version (void) |
1816 | ev_linux_version (void) |
1668 | { |
1817 | { |
1669 | #ifdef __linux |
1818 | #ifdef __linux |
1670 | unsigned int v = 0; |
1819 | unsigned int v = 0; |
… | |
… | |
1700 | } |
1849 | } |
1701 | |
1850 | |
1702 | /*****************************************************************************/ |
1851 | /*****************************************************************************/ |
1703 | |
1852 | |
1704 | #if EV_AVOID_STDIO |
1853 | #if EV_AVOID_STDIO |
1705 | noinline ecb_cold |
1854 | ecb_noinline ecb_cold |
1706 | static void |
1855 | static void |
1707 | ev_printerr (const char *msg) |
1856 | ev_printerr (const char *msg) |
1708 | { |
1857 | { |
1709 | write (STDERR_FILENO, msg, strlen (msg)); |
1858 | write (STDERR_FILENO, msg, strlen (msg)); |
1710 | } |
1859 | } |
… | |
… | |
1717 | 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 |
1718 | { |
1867 | { |
1719 | syserr_cb = cb; |
1868 | syserr_cb = cb; |
1720 | } |
1869 | } |
1721 | |
1870 | |
1722 | noinline ecb_cold |
1871 | ecb_noinline ecb_cold |
1723 | static void |
1872 | static void |
1724 | ev_syserr (const char *msg) |
1873 | ev_syserr (const char *msg) |
1725 | { |
1874 | { |
1726 | if (!msg) |
1875 | if (!msg) |
1727 | msg = "(libev) system error"; |
1876 | msg = "(libev) system error"; |
… | |
… | |
1799 | { |
1948 | { |
1800 | WL head; |
1949 | WL head; |
1801 | unsigned char events; /* the events watched for */ |
1950 | unsigned char events; /* the events watched for */ |
1802 | 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) */ |
1803 | 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 */ |
1804 | unsigned char unused; |
1953 | unsigned char eflags; /* flags field for use by backends */ |
1805 | #if EV_USE_EPOLL |
1954 | #if EV_USE_EPOLL |
1806 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1955 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1807 | #endif |
1956 | #endif |
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1957 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1809 | SOCKET handle; |
1958 | SOCKET handle; |
… | |
… | |
1863 | static struct ev_loop default_loop_struct; |
2012 | static struct ev_loop default_loop_struct; |
1864 | 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 */ |
1865 | |
2014 | |
1866 | #else |
2015 | #else |
1867 | |
2016 | |
1868 | 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 */ |
1869 | #define VAR(name,decl) static decl; |
2018 | #define VAR(name,decl) static decl; |
1870 | #include "ev_vars.h" |
2019 | #include "ev_vars.h" |
1871 | #undef VAR |
2020 | #undef VAR |
1872 | |
2021 | |
1873 | static int ev_default_loop_ptr; |
2022 | static int ev_default_loop_ptr; |
1874 | |
2023 | |
1875 | #endif |
2024 | #endif |
1876 | |
2025 | |
1877 | #if EV_FEATURE_API |
2026 | #if EV_FEATURE_API |
1878 | # 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) |
1879 | # 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) |
1880 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2029 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1881 | #else |
2030 | #else |
1882 | # define EV_RELEASE_CB (void)0 |
2031 | # define EV_RELEASE_CB (void)0 |
1883 | # define EV_ACQUIRE_CB (void)0 |
2032 | # define EV_ACQUIRE_CB (void)0 |
1884 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2033 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1891 | #ifndef EV_HAVE_EV_TIME |
2040 | #ifndef EV_HAVE_EV_TIME |
1892 | ev_tstamp |
2041 | ev_tstamp |
1893 | ev_time (void) EV_NOEXCEPT |
2042 | ev_time (void) EV_NOEXCEPT |
1894 | { |
2043 | { |
1895 | #if EV_USE_REALTIME |
2044 | #if EV_USE_REALTIME |
1896 | if (expect_true (have_realtime)) |
2045 | if (ecb_expect_true (have_realtime)) |
1897 | { |
2046 | { |
1898 | struct timespec ts; |
2047 | struct timespec ts; |
1899 | clock_gettime (CLOCK_REALTIME, &ts); |
2048 | clock_gettime (CLOCK_REALTIME, &ts); |
1900 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2049 | return EV_TS_GET (ts); |
1901 | } |
2050 | } |
1902 | #endif |
2051 | #endif |
1903 | |
2052 | |
|
|
2053 | { |
1904 | struct timeval tv; |
2054 | struct timeval tv; |
1905 | gettimeofday (&tv, 0); |
2055 | gettimeofday (&tv, 0); |
1906 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2056 | return EV_TV_GET (tv); |
|
|
2057 | } |
1907 | } |
2058 | } |
1908 | #endif |
2059 | #endif |
1909 | |
2060 | |
1910 | inline_size ev_tstamp |
2061 | inline_size ev_tstamp |
1911 | get_clock (void) |
2062 | get_clock (void) |
1912 | { |
2063 | { |
1913 | #if EV_USE_MONOTONIC |
2064 | #if EV_USE_MONOTONIC |
1914 | if (expect_true (have_monotonic)) |
2065 | if (ecb_expect_true (have_monotonic)) |
1915 | { |
2066 | { |
1916 | struct timespec ts; |
2067 | struct timespec ts; |
1917 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2068 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1918 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2069 | return EV_TS_GET (ts); |
1919 | } |
2070 | } |
1920 | #endif |
2071 | #endif |
1921 | |
2072 | |
1922 | return ev_time (); |
2073 | return ev_time (); |
1923 | } |
2074 | } |
… | |
… | |
1931 | #endif |
2082 | #endif |
1932 | |
2083 | |
1933 | void |
2084 | void |
1934 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2085 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1935 | { |
2086 | { |
1936 | if (delay > 0.) |
2087 | if (delay > EV_TS_CONST (0.)) |
1937 | { |
2088 | { |
1938 | #if EV_USE_NANOSLEEP |
2089 | #if EV_USE_NANOSLEEP |
1939 | struct timespec ts; |
2090 | struct timespec ts; |
1940 | |
2091 | |
1941 | EV_TS_SET (ts, delay); |
2092 | EV_TS_SET (ts, delay); |
1942 | nanosleep (&ts, 0); |
2093 | nanosleep (&ts, 0); |
1943 | #elif defined _WIN32 |
2094 | #elif defined _WIN32 |
1944 | /* maybe this should round up, as ms is very low resolution */ |
2095 | /* maybe this should round up, as ms is very low resolution */ |
1945 | /* compared to select (µs) or nanosleep (ns) */ |
2096 | /* compared to select (µs) or nanosleep (ns) */ |
1946 | Sleep ((unsigned long)(delay * 1e3)); |
2097 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1947 | #else |
2098 | #else |
1948 | struct timeval tv; |
2099 | struct timeval tv; |
1949 | |
2100 | |
1950 | /* 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 */ |
1951 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2102 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1981 | } |
2132 | } |
1982 | |
2133 | |
1983 | return ncur; |
2134 | return ncur; |
1984 | } |
2135 | } |
1985 | |
2136 | |
1986 | noinline ecb_cold |
2137 | ecb_noinline ecb_cold |
1987 | static void * |
2138 | static void * |
1988 | array_realloc (int elem, void *base, int *cur, int cnt) |
2139 | array_realloc (int elem, void *base, int *cur, int cnt) |
1989 | { |
2140 | { |
1990 | *cur = array_nextsize (elem, *cur, cnt); |
2141 | *cur = array_nextsize (elem, *cur, cnt); |
1991 | return ev_realloc (base, elem * *cur); |
2142 | return ev_realloc (base, elem * *cur); |
1992 | } |
2143 | } |
1993 | |
2144 | |
1994 | #define array_needsize_noinit(base,count) |
2145 | #define array_needsize_noinit(base,offset,count) |
1995 | |
2146 | |
1996 | #define array_needsize_zerofill(base,count) \ |
2147 | #define array_needsize_zerofill(base,offset,count) \ |
1997 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2148 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1998 | |
2149 | |
1999 | #define array_needsize(type,base,cur,cnt,init) \ |
2150 | #define array_needsize(type,base,cur,cnt,init) \ |
2000 | if (expect_false ((cnt) > (cur))) \ |
2151 | if (ecb_expect_false ((cnt) > (cur))) \ |
2001 | { \ |
2152 | { \ |
2002 | ecb_unused int ocur_ = (cur); \ |
2153 | ecb_unused int ocur_ = (cur); \ |
2003 | (base) = (type *)array_realloc \ |
2154 | (base) = (type *)array_realloc \ |
2004 | (sizeof (type), (base), &(cur), (cnt)); \ |
2155 | (sizeof (type), (base), &(cur), (cnt)); \ |
2005 | init ((base) + (ocur_), (cur) - ocur_); \ |
2156 | init ((base), ocur_, ((cur) - ocur_)); \ |
2006 | } |
2157 | } |
2007 | |
2158 | |
2008 | #if 0 |
2159 | #if 0 |
2009 | #define array_slim(type,stem) \ |
2160 | #define array_slim(type,stem) \ |
2010 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2161 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
2019 | 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 |
2020 | |
2171 | |
2021 | /*****************************************************************************/ |
2172 | /*****************************************************************************/ |
2022 | |
2173 | |
2023 | /* dummy callback for pending events */ |
2174 | /* dummy callback for pending events */ |
2024 | noinline |
2175 | ecb_noinline |
2025 | static void |
2176 | static void |
2026 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2177 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2027 | { |
2178 | { |
2028 | } |
2179 | } |
2029 | |
2180 | |
2030 | noinline |
2181 | ecb_noinline |
2031 | void |
2182 | void |
2032 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2183 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2033 | { |
2184 | { |
2034 | W w_ = (W)w; |
2185 | W w_ = (W)w; |
2035 | int pri = ABSPRI (w_); |
2186 | int pri = ABSPRI (w_); |
2036 | |
2187 | |
2037 | if (expect_false (w_->pending)) |
2188 | if (ecb_expect_false (w_->pending)) |
2038 | pendings [pri][w_->pending - 1].events |= revents; |
2189 | pendings [pri][w_->pending - 1].events |= revents; |
2039 | else |
2190 | else |
2040 | { |
2191 | { |
2041 | w_->pending = ++pendingcnt [pri]; |
2192 | w_->pending = ++pendingcnt [pri]; |
2042 | 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); |
… | |
… | |
2093 | inline_speed void |
2244 | inline_speed void |
2094 | fd_event (EV_P_ int fd, int revents) |
2245 | fd_event (EV_P_ int fd, int revents) |
2095 | { |
2246 | { |
2096 | ANFD *anfd = anfds + fd; |
2247 | ANFD *anfd = anfds + fd; |
2097 | |
2248 | |
2098 | if (expect_true (!anfd->reify)) |
2249 | if (ecb_expect_true (!anfd->reify)) |
2099 | fd_event_nocheck (EV_A_ fd, revents); |
2250 | fd_event_nocheck (EV_A_ fd, revents); |
2100 | } |
2251 | } |
2101 | |
2252 | |
2102 | void |
2253 | void |
2103 | 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 |
… | |
… | |
2111 | inline_size void |
2262 | inline_size void |
2112 | fd_reify (EV_P) |
2263 | fd_reify (EV_P) |
2113 | { |
2264 | { |
2114 | int i; |
2265 | int i; |
2115 | |
2266 | |
|
|
2267 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2268 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2269 | * to handle events in backend_modify, causing fdchangesd to be amended, |
|
|
2270 | * which could result in an endless loop. |
|
|
2271 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2272 | * during fd_reify. that menas thast for those backends, fdchangecnt |
|
|
2273 | * might be non-zero during poll, which must cause them to not block. |
|
|
2274 | * to not put too much of a burden on other backends, this detail |
|
|
2275 | * needs to be handled in the backend. |
|
|
2276 | */ |
|
|
2277 | int changecnt = fdchangecnt; |
|
|
2278 | |
2116 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2279 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2117 | for (i = 0; i < fdchangecnt; ++i) |
2280 | for (i = 0; i < changecnt; ++i) |
2118 | { |
2281 | { |
2119 | int fd = fdchanges [i]; |
2282 | int fd = fdchanges [i]; |
2120 | ANFD *anfd = anfds + fd; |
2283 | ANFD *anfd = anfds + fd; |
2121 | |
2284 | |
2122 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2285 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2136 | } |
2299 | } |
2137 | } |
2300 | } |
2138 | } |
2301 | } |
2139 | #endif |
2302 | #endif |
2140 | |
2303 | |
2141 | for (i = 0; i < fdchangecnt; ++i) |
2304 | for (i = 0; i < changecnt; ++i) |
2142 | { |
2305 | { |
2143 | int fd = fdchanges [i]; |
2306 | int fd = fdchanges [i]; |
2144 | ANFD *anfd = anfds + fd; |
2307 | ANFD *anfd = anfds + fd; |
2145 | ev_io *w; |
2308 | ev_io *w; |
2146 | |
2309 | |
2147 | unsigned char o_events = anfd->events; |
2310 | unsigned char o_events = anfd->events; |
2148 | unsigned char o_reify = anfd->reify; |
2311 | unsigned char o_reify = anfd->reify; |
2149 | |
2312 | |
2150 | anfd->reify = 0; |
2313 | anfd->reify = 0; |
2151 | |
2314 | |
2152 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2315 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2153 | { |
2316 | { |
2154 | anfd->events = 0; |
2317 | anfd->events = 0; |
2155 | |
2318 | |
2156 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2319 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2157 | anfd->events |= (unsigned char)w->events; |
2320 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2162 | |
2325 | |
2163 | if (o_reify & EV__IOFDSET) |
2326 | if (o_reify & EV__IOFDSET) |
2164 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2327 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2165 | } |
2328 | } |
2166 | |
2329 | |
|
|
2330 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2331 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2332 | * front and hope the backend handles this case. |
|
|
2333 | */ |
|
|
2334 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2335 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2336 | |
2167 | fdchangecnt = 0; |
2337 | fdchangecnt -= changecnt; |
2168 | } |
2338 | } |
2169 | |
2339 | |
2170 | /* something about the given fd changed */ |
2340 | /* something about the given fd changed */ |
2171 | inline_size |
2341 | inline_size |
2172 | void |
2342 | void |
2173 | fd_change (EV_P_ int fd, int flags) |
2343 | fd_change (EV_P_ int fd, int flags) |
2174 | { |
2344 | { |
2175 | unsigned char reify = anfds [fd].reify; |
2345 | unsigned char reify = anfds [fd].reify; |
2176 | anfds [fd].reify |= flags; |
2346 | anfds [fd].reify |= flags; |
2177 | |
2347 | |
2178 | if (expect_true (!reify)) |
2348 | if (ecb_expect_true (!reify)) |
2179 | { |
2349 | { |
2180 | ++fdchangecnt; |
2350 | ++fdchangecnt; |
2181 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2351 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2182 | fdchanges [fdchangecnt - 1] = fd; |
2352 | fdchanges [fdchangecnt - 1] = fd; |
2183 | } |
2353 | } |
… | |
… | |
2206 | return fcntl (fd, F_GETFD) != -1; |
2376 | return fcntl (fd, F_GETFD) != -1; |
2207 | #endif |
2377 | #endif |
2208 | } |
2378 | } |
2209 | |
2379 | |
2210 | /* called on EBADF to verify fds */ |
2380 | /* called on EBADF to verify fds */ |
2211 | noinline ecb_cold |
2381 | ecb_noinline ecb_cold |
2212 | static void |
2382 | static void |
2213 | fd_ebadf (EV_P) |
2383 | fd_ebadf (EV_P) |
2214 | { |
2384 | { |
2215 | int fd; |
2385 | int fd; |
2216 | |
2386 | |
… | |
… | |
2219 | if (!fd_valid (fd) && errno == EBADF) |
2389 | if (!fd_valid (fd) && errno == EBADF) |
2220 | fd_kill (EV_A_ fd); |
2390 | fd_kill (EV_A_ fd); |
2221 | } |
2391 | } |
2222 | |
2392 | |
2223 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2393 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2224 | noinline ecb_cold |
2394 | ecb_noinline ecb_cold |
2225 | static void |
2395 | static void |
2226 | fd_enomem (EV_P) |
2396 | fd_enomem (EV_P) |
2227 | { |
2397 | { |
2228 | int fd; |
2398 | int fd; |
2229 | |
2399 | |
… | |
… | |
2234 | break; |
2404 | break; |
2235 | } |
2405 | } |
2236 | } |
2406 | } |
2237 | |
2407 | |
2238 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2408 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2239 | noinline |
2409 | ecb_noinline |
2240 | static void |
2410 | static void |
2241 | fd_rearm_all (EV_P) |
2411 | fd_rearm_all (EV_P) |
2242 | { |
2412 | { |
2243 | int fd; |
2413 | int fd; |
2244 | |
2414 | |
… | |
… | |
2298 | ev_tstamp minat; |
2468 | ev_tstamp minat; |
2299 | ANHE *minpos; |
2469 | ANHE *minpos; |
2300 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2470 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2301 | |
2471 | |
2302 | /* find minimum child */ |
2472 | /* find minimum child */ |
2303 | if (expect_true (pos + DHEAP - 1 < E)) |
2473 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2304 | { |
2474 | { |
2305 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2475 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2306 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2476 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2307 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2477 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2308 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2478 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2309 | } |
2479 | } |
2310 | else if (pos < E) |
2480 | else if (pos < E) |
2311 | { |
2481 | { |
2312 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2482 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2313 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2483 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2314 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2484 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2315 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2485 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2316 | } |
2486 | } |
2317 | else |
2487 | else |
2318 | break; |
2488 | break; |
2319 | |
2489 | |
2320 | if (ANHE_at (he) <= minat) |
2490 | if (ANHE_at (he) <= minat) |
… | |
… | |
2328 | |
2498 | |
2329 | heap [k] = he; |
2499 | heap [k] = he; |
2330 | ev_active (ANHE_w (he)) = k; |
2500 | ev_active (ANHE_w (he)) = k; |
2331 | } |
2501 | } |
2332 | |
2502 | |
2333 | #else /* 4HEAP */ |
2503 | #else /* not 4HEAP */ |
2334 | |
2504 | |
2335 | #define HEAP0 1 |
2505 | #define HEAP0 1 |
2336 | #define HPARENT(k) ((k) >> 1) |
2506 | #define HPARENT(k) ((k) >> 1) |
2337 | #define UPHEAP_DONE(p,k) (!(p)) |
2507 | #define UPHEAP_DONE(p,k) (!(p)) |
2338 | |
2508 | |
… | |
… | |
2426 | |
2596 | |
2427 | /*****************************************************************************/ |
2597 | /*****************************************************************************/ |
2428 | |
2598 | |
2429 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2599 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2430 | |
2600 | |
2431 | noinline ecb_cold |
2601 | ecb_noinline ecb_cold |
2432 | static void |
2602 | static void |
2433 | evpipe_init (EV_P) |
2603 | evpipe_init (EV_P) |
2434 | { |
2604 | { |
2435 | if (!ev_is_active (&pipe_w)) |
2605 | if (!ev_is_active (&pipe_w)) |
2436 | { |
2606 | { |
… | |
… | |
2477 | inline_speed void |
2647 | inline_speed void |
2478 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2648 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2479 | { |
2649 | { |
2480 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2650 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2481 | |
2651 | |
2482 | if (expect_true (*flag)) |
2652 | if (ecb_expect_true (*flag)) |
2483 | return; |
2653 | return; |
2484 | |
2654 | |
2485 | *flag = 1; |
2655 | *flag = 1; |
2486 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2656 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2487 | |
2657 | |
… | |
… | |
2564 | sig_pending = 0; |
2734 | sig_pending = 0; |
2565 | |
2735 | |
2566 | ECB_MEMORY_FENCE; |
2736 | ECB_MEMORY_FENCE; |
2567 | |
2737 | |
2568 | for (i = EV_NSIG - 1; i--; ) |
2738 | for (i = EV_NSIG - 1; i--; ) |
2569 | if (expect_false (signals [i].pending)) |
2739 | if (ecb_expect_false (signals [i].pending)) |
2570 | ev_feed_signal_event (EV_A_ i + 1); |
2740 | ev_feed_signal_event (EV_A_ i + 1); |
2571 | } |
2741 | } |
2572 | #endif |
2742 | #endif |
2573 | |
2743 | |
2574 | #if EV_ASYNC_ENABLE |
2744 | #if EV_ASYNC_ENABLE |
… | |
… | |
2615 | #endif |
2785 | #endif |
2616 | |
2786 | |
2617 | ev_feed_signal (signum); |
2787 | ev_feed_signal (signum); |
2618 | } |
2788 | } |
2619 | |
2789 | |
2620 | noinline |
2790 | ecb_noinline |
2621 | void |
2791 | void |
2622 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2792 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2623 | { |
2793 | { |
2624 | WL w; |
2794 | WL w; |
2625 | |
2795 | |
2626 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2796 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2627 | return; |
2797 | return; |
2628 | |
2798 | |
2629 | --signum; |
2799 | --signum; |
2630 | |
2800 | |
2631 | #if EV_MULTIPLICITY |
2801 | #if EV_MULTIPLICITY |
2632 | /* it is permissible to try to feed a signal to the wrong loop */ |
2802 | /* it is permissible to try to feed a signal to the wrong loop */ |
2633 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2803 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2634 | |
2804 | |
2635 | if (expect_false (signals [signum].loop != EV_A)) |
2805 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2636 | return; |
2806 | return; |
2637 | #endif |
2807 | #endif |
2638 | |
2808 | |
2639 | signals [signum].pending = 0; |
2809 | signals [signum].pending = 0; |
2640 | ECB_MEMORY_FENCE_RELEASE; |
2810 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2724 | |
2894 | |
2725 | #endif |
2895 | #endif |
2726 | |
2896 | |
2727 | /*****************************************************************************/ |
2897 | /*****************************************************************************/ |
2728 | |
2898 | |
|
|
2899 | #if EV_USE_TIMERFD |
|
|
2900 | |
|
|
2901 | static void periodics_reschedule (EV_P); |
|
|
2902 | |
|
|
2903 | static void |
|
|
2904 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
2905 | { |
|
|
2906 | struct itimerspec its = { 0 }; |
|
|
2907 | |
|
|
2908 | /* since we can't easily come zup with a (portable) maximum value of time_t, |
|
|
2909 | * we wake up once per month, which hopefully is rare enough to not |
|
|
2910 | * be a problem. */ |
|
|
2911 | its.it_value.tv_sec = ev_rt_now + 86400 * 30; |
|
|
2912 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
2913 | |
|
|
2914 | ev_rt_now = ev_time (); |
|
|
2915 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
2916 | /* but maybe in the future we want the full treatment. */ |
|
|
2917 | /* |
|
|
2918 | now_floor = EV_TS_CONST (0.); |
|
|
2919 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
2920 | */ |
|
|
2921 | periodics_reschedule (EV_A); |
|
|
2922 | } |
|
|
2923 | |
|
|
2924 | ecb_noinline ecb_cold |
|
|
2925 | static void |
|
|
2926 | evtimerfd_init (EV_P) |
|
|
2927 | { |
|
|
2928 | if (!ev_is_active (&timerfd_w)) |
|
|
2929 | { |
|
|
2930 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
2931 | |
|
|
2932 | if (timerfd >= 0) |
|
|
2933 | { |
|
|
2934 | fd_intern (timerfd); /* just to be sure */ |
|
|
2935 | |
|
|
2936 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
2937 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
2938 | ev_io_start (EV_A_ &timerfd_w); |
|
|
2939 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
2940 | |
|
|
2941 | /* (re-) arm timer */ |
|
|
2942 | timerfdcb (EV_A_ 0, 0); |
|
|
2943 | } |
|
|
2944 | } |
|
|
2945 | } |
|
|
2946 | |
|
|
2947 | #endif |
|
|
2948 | |
|
|
2949 | /*****************************************************************************/ |
|
|
2950 | |
2729 | #if EV_USE_IOCP |
2951 | #if EV_USE_IOCP |
2730 | # include "ev_iocp.c" |
2952 | # include "ev_iocp.c" |
2731 | #endif |
2953 | #endif |
2732 | #if EV_USE_PORT |
2954 | #if EV_USE_PORT |
2733 | # include "ev_port.c" |
2955 | # include "ev_port.c" |
… | |
… | |
2738 | #if EV_USE_EPOLL |
2960 | #if EV_USE_EPOLL |
2739 | # include "ev_epoll.c" |
2961 | # include "ev_epoll.c" |
2740 | #endif |
2962 | #endif |
2741 | #if EV_USE_LINUXAIO |
2963 | #if EV_USE_LINUXAIO |
2742 | # include "ev_linuxaio.c" |
2964 | # include "ev_linuxaio.c" |
|
|
2965 | #endif |
|
|
2966 | #if EV_USE_IOURING |
|
|
2967 | # include "ev_iouring.c" |
2743 | #endif |
2968 | #endif |
2744 | #if EV_USE_POLL |
2969 | #if EV_USE_POLL |
2745 | # include "ev_poll.c" |
2970 | # include "ev_poll.c" |
2746 | #endif |
2971 | #endif |
2747 | #if EV_USE_SELECT |
2972 | #if EV_USE_SELECT |
… | |
… | |
2780 | |
3005 | |
2781 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3006 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2782 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
3007 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2783 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3008 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2784 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
3009 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
3010 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2785 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3011 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2786 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
3012 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2787 | |
3013 | |
2788 | return flags; |
3014 | return flags; |
2789 | } |
3015 | } |
… | |
… | |
2807 | #ifdef __FreeBSD__ |
3033 | #ifdef __FreeBSD__ |
2808 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3034 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2809 | #endif |
3035 | #endif |
2810 | |
3036 | |
2811 | /* TODO: linuxaio is very experimental */ |
3037 | /* TODO: linuxaio is very experimental */ |
|
|
3038 | #if !EV_RECOMMEND_LINUXAIO |
2812 | flags &= ~EVBACKEND_LINUXAIO; |
3039 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3040 | #endif |
|
|
3041 | /* TODO: linuxaio is super experimental */ |
|
|
3042 | #if !EV_RECOMMEND_IOURING |
|
|
3043 | flags &= ~EVBACKEND_IOURING; |
|
|
3044 | #endif |
2813 | |
3045 | |
2814 | return flags; |
3046 | return flags; |
2815 | } |
3047 | } |
2816 | |
3048 | |
2817 | ecb_cold |
3049 | ecb_cold |
… | |
… | |
2822 | |
3054 | |
2823 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3055 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2824 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3056 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2825 | flags &= ~EVBACKEND_EPOLL; |
3057 | flags &= ~EVBACKEND_EPOLL; |
2826 | |
3058 | |
|
|
3059 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3060 | |
|
|
3061 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
3062 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
3063 | * if the kernel ever is fixed, this might change... |
|
|
3064 | */ |
|
|
3065 | |
2827 | return flags; |
3066 | return flags; |
2828 | } |
3067 | } |
2829 | |
3068 | |
2830 | unsigned int |
3069 | unsigned int |
2831 | ev_backend (EV_P) EV_NOEXCEPT |
3070 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2883 | acquire_cb = acquire; |
3122 | acquire_cb = acquire; |
2884 | } |
3123 | } |
2885 | #endif |
3124 | #endif |
2886 | |
3125 | |
2887 | /* initialise a loop structure, must be zero-initialised */ |
3126 | /* initialise a loop structure, must be zero-initialised */ |
2888 | noinline ecb_cold |
3127 | ecb_noinline ecb_cold |
2889 | static void |
3128 | static void |
2890 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3129 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2891 | { |
3130 | { |
2892 | if (!backend) |
3131 | if (!backend) |
2893 | { |
3132 | { |
… | |
… | |
2948 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3187 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2949 | #endif |
3188 | #endif |
2950 | #if EV_USE_SIGNALFD |
3189 | #if EV_USE_SIGNALFD |
2951 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3190 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2952 | #endif |
3191 | #endif |
|
|
3192 | #if EV_USE_TIMERFD |
|
|
3193 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3194 | #endif |
2953 | |
3195 | |
2954 | if (!(flags & EVBACKEND_MASK)) |
3196 | if (!(flags & EVBACKEND_MASK)) |
2955 | flags |= ev_recommended_backends (); |
3197 | flags |= ev_recommended_backends (); |
2956 | |
3198 | |
2957 | #if EV_USE_IOCP |
3199 | #if EV_USE_IOCP |
… | |
… | |
2960 | #if EV_USE_PORT |
3202 | #if EV_USE_PORT |
2961 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3203 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2962 | #endif |
3204 | #endif |
2963 | #if EV_USE_KQUEUE |
3205 | #if EV_USE_KQUEUE |
2964 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
3206 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3207 | #endif |
|
|
3208 | #if EV_USE_IOURING |
|
|
3209 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
2965 | #endif |
3210 | #endif |
2966 | #if EV_USE_LINUXAIO |
3211 | #if EV_USE_LINUXAIO |
2967 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3212 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2968 | #endif |
3213 | #endif |
2969 | #if EV_USE_EPOLL |
3214 | #if EV_USE_EPOLL |
… | |
… | |
2998 | return; |
3243 | return; |
2999 | #endif |
3244 | #endif |
3000 | |
3245 | |
3001 | #if EV_CLEANUP_ENABLE |
3246 | #if EV_CLEANUP_ENABLE |
3002 | /* queue cleanup watchers (and execute them) */ |
3247 | /* queue cleanup watchers (and execute them) */ |
3003 | if (expect_false (cleanupcnt)) |
3248 | if (ecb_expect_false (cleanupcnt)) |
3004 | { |
3249 | { |
3005 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3250 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3006 | EV_INVOKE_PENDING; |
3251 | EV_INVOKE_PENDING; |
3007 | } |
3252 | } |
3008 | #endif |
3253 | #endif |
… | |
… | |
3027 | #if EV_USE_SIGNALFD |
3272 | #if EV_USE_SIGNALFD |
3028 | if (ev_is_active (&sigfd_w)) |
3273 | if (ev_is_active (&sigfd_w)) |
3029 | close (sigfd); |
3274 | close (sigfd); |
3030 | #endif |
3275 | #endif |
3031 | |
3276 | |
|
|
3277 | #if EV_USE_TIMERFD |
|
|
3278 | if (ev_is_active (&timerfd_w)) |
|
|
3279 | close (timerfd); |
|
|
3280 | #endif |
|
|
3281 | |
3032 | #if EV_USE_INOTIFY |
3282 | #if EV_USE_INOTIFY |
3033 | if (fs_fd >= 0) |
3283 | if (fs_fd >= 0) |
3034 | close (fs_fd); |
3284 | close (fs_fd); |
3035 | #endif |
3285 | #endif |
3036 | |
3286 | |
… | |
… | |
3043 | #if EV_USE_PORT |
3293 | #if EV_USE_PORT |
3044 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3294 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3045 | #endif |
3295 | #endif |
3046 | #if EV_USE_KQUEUE |
3296 | #if EV_USE_KQUEUE |
3047 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
3297 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3298 | #endif |
|
|
3299 | #if EV_USE_IOURING |
|
|
3300 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
3048 | #endif |
3301 | #endif |
3049 | #if EV_USE_LINUXAIO |
3302 | #if EV_USE_LINUXAIO |
3050 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3303 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3051 | #endif |
3304 | #endif |
3052 | #if EV_USE_EPOLL |
3305 | #if EV_USE_EPOLL |
… | |
… | |
3111 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3364 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3112 | #endif |
3365 | #endif |
3113 | #if EV_USE_KQUEUE |
3366 | #if EV_USE_KQUEUE |
3114 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3367 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3115 | #endif |
3368 | #endif |
|
|
3369 | #if EV_USE_IOURING |
|
|
3370 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3371 | #endif |
3116 | #if EV_USE_LINUXAIO |
3372 | #if EV_USE_LINUXAIO |
3117 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3373 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3118 | #endif |
3374 | #endif |
3119 | #if EV_USE_EPOLL |
3375 | #if EV_USE_EPOLL |
3120 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3376 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3121 | #endif |
3377 | #endif |
3122 | #if EV_USE_INOTIFY |
3378 | #if EV_USE_INOTIFY |
3123 | infy_fork (EV_A); |
3379 | infy_fork (EV_A); |
3124 | #endif |
3380 | #endif |
3125 | |
3381 | |
|
|
3382 | if (postfork != 2) |
|
|
3383 | { |
|
|
3384 | #if EV_USE_SIGNALFD |
|
|
3385 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3386 | #endif |
|
|
3387 | |
|
|
3388 | #if EV_USE_TIMERFD |
|
|
3389 | if (ev_is_active (&timerfd_w)) |
|
|
3390 | { |
|
|
3391 | ev_ref (EV_A); |
|
|
3392 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3393 | |
|
|
3394 | close (timerfd); |
|
|
3395 | timerfd = -2; |
|
|
3396 | |
|
|
3397 | evtimerfd_init (EV_A); |
|
|
3398 | /* reschedule periodics, in case we missed something */ |
|
|
3399 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3400 | } |
|
|
3401 | #endif |
|
|
3402 | |
3126 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3403 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3127 | if (ev_is_active (&pipe_w) && postfork != 2) |
3404 | if (ev_is_active (&pipe_w)) |
3128 | { |
3405 | { |
3129 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3406 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3130 | |
3407 | |
3131 | ev_ref (EV_A); |
3408 | ev_ref (EV_A); |
3132 | ev_io_stop (EV_A_ &pipe_w); |
3409 | ev_io_stop (EV_A_ &pipe_w); |
3133 | |
3410 | |
3134 | if (evpipe [0] >= 0) |
3411 | if (evpipe [0] >= 0) |
3135 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3412 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3136 | |
3413 | |
3137 | evpipe_init (EV_A); |
3414 | evpipe_init (EV_A); |
3138 | /* iterate over everything, in case we missed something before */ |
3415 | /* iterate over everything, in case we missed something before */ |
3139 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3416 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3417 | } |
|
|
3418 | #endif |
3140 | } |
3419 | } |
3141 | #endif |
|
|
3142 | |
3420 | |
3143 | postfork = 0; |
3421 | postfork = 0; |
3144 | } |
3422 | } |
3145 | |
3423 | |
3146 | #if EV_MULTIPLICITY |
3424 | #if EV_MULTIPLICITY |
… | |
… | |
3162 | } |
3440 | } |
3163 | |
3441 | |
3164 | #endif /* multiplicity */ |
3442 | #endif /* multiplicity */ |
3165 | |
3443 | |
3166 | #if EV_VERIFY |
3444 | #if EV_VERIFY |
3167 | noinline ecb_cold |
3445 | ecb_noinline ecb_cold |
3168 | static void |
3446 | static void |
3169 | verify_watcher (EV_P_ W w) |
3447 | verify_watcher (EV_P_ W w) |
3170 | { |
3448 | { |
3171 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3449 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3172 | |
3450 | |
3173 | if (w->pending) |
3451 | if (w->pending) |
3174 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3452 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3175 | } |
3453 | } |
3176 | |
3454 | |
3177 | noinline ecb_cold |
3455 | ecb_noinline ecb_cold |
3178 | static void |
3456 | static void |
3179 | verify_heap (EV_P_ ANHE *heap, int N) |
3457 | verify_heap (EV_P_ ANHE *heap, int N) |
3180 | { |
3458 | { |
3181 | int i; |
3459 | int i; |
3182 | |
3460 | |
… | |
… | |
3188 | |
3466 | |
3189 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3467 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3190 | } |
3468 | } |
3191 | } |
3469 | } |
3192 | |
3470 | |
3193 | noinline ecb_cold |
3471 | ecb_noinline ecb_cold |
3194 | static void |
3472 | static void |
3195 | array_verify (EV_P_ W *ws, int cnt) |
3473 | array_verify (EV_P_ W *ws, int cnt) |
3196 | { |
3474 | { |
3197 | while (cnt--) |
3475 | while (cnt--) |
3198 | { |
3476 | { |
… | |
… | |
3347 | count += pendingcnt [pri]; |
3625 | count += pendingcnt [pri]; |
3348 | |
3626 | |
3349 | return count; |
3627 | return count; |
3350 | } |
3628 | } |
3351 | |
3629 | |
3352 | noinline |
3630 | ecb_noinline |
3353 | void |
3631 | void |
3354 | ev_invoke_pending (EV_P) |
3632 | ev_invoke_pending (EV_P) |
3355 | { |
3633 | { |
3356 | pendingpri = NUMPRI; |
3634 | pendingpri = NUMPRI; |
3357 | |
3635 | |
… | |
… | |
3376 | /* make idle watchers pending. this handles the "call-idle */ |
3654 | /* make idle watchers pending. this handles the "call-idle */ |
3377 | /* only when higher priorities are idle" logic */ |
3655 | /* only when higher priorities are idle" logic */ |
3378 | inline_size void |
3656 | inline_size void |
3379 | idle_reify (EV_P) |
3657 | idle_reify (EV_P) |
3380 | { |
3658 | { |
3381 | if (expect_false (idleall)) |
3659 | if (ecb_expect_false (idleall)) |
3382 | { |
3660 | { |
3383 | int pri; |
3661 | int pri; |
3384 | |
3662 | |
3385 | for (pri = NUMPRI; pri--; ) |
3663 | for (pri = NUMPRI; pri--; ) |
3386 | { |
3664 | { |
… | |
… | |
3416 | { |
3694 | { |
3417 | ev_at (w) += w->repeat; |
3695 | ev_at (w) += w->repeat; |
3418 | if (ev_at (w) < mn_now) |
3696 | if (ev_at (w) < mn_now) |
3419 | ev_at (w) = mn_now; |
3697 | ev_at (w) = mn_now; |
3420 | |
3698 | |
3421 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3699 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3422 | |
3700 | |
3423 | ANHE_at_cache (timers [HEAP0]); |
3701 | ANHE_at_cache (timers [HEAP0]); |
3424 | downheap (timers, timercnt, HEAP0); |
3702 | downheap (timers, timercnt, HEAP0); |
3425 | } |
3703 | } |
3426 | else |
3704 | else |
… | |
… | |
3435 | } |
3713 | } |
3436 | } |
3714 | } |
3437 | |
3715 | |
3438 | #if EV_PERIODIC_ENABLE |
3716 | #if EV_PERIODIC_ENABLE |
3439 | |
3717 | |
3440 | noinline |
3718 | ecb_noinline |
3441 | static void |
3719 | static void |
3442 | periodic_recalc (EV_P_ ev_periodic *w) |
3720 | periodic_recalc (EV_P_ ev_periodic *w) |
3443 | { |
3721 | { |
3444 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3722 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3445 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3723 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3448 | while (at <= ev_rt_now) |
3726 | while (at <= ev_rt_now) |
3449 | { |
3727 | { |
3450 | ev_tstamp nat = at + w->interval; |
3728 | ev_tstamp nat = at + w->interval; |
3451 | |
3729 | |
3452 | /* when resolution fails us, we use ev_rt_now */ |
3730 | /* when resolution fails us, we use ev_rt_now */ |
3453 | if (expect_false (nat == at)) |
3731 | if (ecb_expect_false (nat == at)) |
3454 | { |
3732 | { |
3455 | at = ev_rt_now; |
3733 | at = ev_rt_now; |
3456 | break; |
3734 | break; |
3457 | } |
3735 | } |
3458 | |
3736 | |
… | |
… | |
3504 | } |
3782 | } |
3505 | } |
3783 | } |
3506 | |
3784 | |
3507 | /* simply recalculate all periodics */ |
3785 | /* simply recalculate all periodics */ |
3508 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3786 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3509 | noinline ecb_cold |
3787 | ecb_noinline ecb_cold |
3510 | static void |
3788 | static void |
3511 | periodics_reschedule (EV_P) |
3789 | periodics_reschedule (EV_P) |
3512 | { |
3790 | { |
3513 | int i; |
3791 | int i; |
3514 | |
3792 | |
… | |
… | |
3528 | reheap (periodics, periodiccnt); |
3806 | reheap (periodics, periodiccnt); |
3529 | } |
3807 | } |
3530 | #endif |
3808 | #endif |
3531 | |
3809 | |
3532 | /* adjust all timers by a given offset */ |
3810 | /* adjust all timers by a given offset */ |
3533 | noinline ecb_cold |
3811 | ecb_noinline ecb_cold |
3534 | static void |
3812 | static void |
3535 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3813 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3536 | { |
3814 | { |
3537 | int i; |
3815 | int i; |
3538 | |
3816 | |
… | |
… | |
3548 | /* also detect if there was a timejump, and act accordingly */ |
3826 | /* also detect if there was a timejump, and act accordingly */ |
3549 | inline_speed void |
3827 | inline_speed void |
3550 | time_update (EV_P_ ev_tstamp max_block) |
3828 | time_update (EV_P_ ev_tstamp max_block) |
3551 | { |
3829 | { |
3552 | #if EV_USE_MONOTONIC |
3830 | #if EV_USE_MONOTONIC |
3553 | if (expect_true (have_monotonic)) |
3831 | if (ecb_expect_true (have_monotonic)) |
3554 | { |
3832 | { |
3555 | int i; |
3833 | int i; |
3556 | ev_tstamp odiff = rtmn_diff; |
3834 | ev_tstamp odiff = rtmn_diff; |
3557 | |
3835 | |
3558 | mn_now = get_clock (); |
3836 | mn_now = get_clock (); |
3559 | |
3837 | |
3560 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3838 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3561 | /* interpolate in the meantime */ |
3839 | /* interpolate in the meantime */ |
3562 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3840 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3563 | { |
3841 | { |
3564 | ev_rt_now = rtmn_diff + mn_now; |
3842 | ev_rt_now = rtmn_diff + mn_now; |
3565 | return; |
3843 | return; |
3566 | } |
3844 | } |
3567 | |
3845 | |
… | |
… | |
3581 | ev_tstamp diff; |
3859 | ev_tstamp diff; |
3582 | rtmn_diff = ev_rt_now - mn_now; |
3860 | rtmn_diff = ev_rt_now - mn_now; |
3583 | |
3861 | |
3584 | diff = odiff - rtmn_diff; |
3862 | diff = odiff - rtmn_diff; |
3585 | |
3863 | |
3586 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3864 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3587 | return; /* all is well */ |
3865 | return; /* all is well */ |
3588 | |
3866 | |
3589 | ev_rt_now = ev_time (); |
3867 | ev_rt_now = ev_time (); |
3590 | mn_now = get_clock (); |
3868 | mn_now = get_clock (); |
3591 | now_floor = mn_now; |
3869 | now_floor = mn_now; |
… | |
… | |
3600 | else |
3878 | else |
3601 | #endif |
3879 | #endif |
3602 | { |
3880 | { |
3603 | ev_rt_now = ev_time (); |
3881 | ev_rt_now = ev_time (); |
3604 | |
3882 | |
3605 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3883 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3606 | { |
3884 | { |
3607 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3885 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3608 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3886 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3609 | #if EV_PERIODIC_ENABLE |
3887 | #if EV_PERIODIC_ENABLE |
3610 | periodics_reschedule (EV_A); |
3888 | periodics_reschedule (EV_A); |
… | |
… | |
3633 | #if EV_VERIFY >= 2 |
3911 | #if EV_VERIFY >= 2 |
3634 | ev_verify (EV_A); |
3912 | ev_verify (EV_A); |
3635 | #endif |
3913 | #endif |
3636 | |
3914 | |
3637 | #ifndef _WIN32 |
3915 | #ifndef _WIN32 |
3638 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3916 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3639 | if (expect_false (getpid () != curpid)) |
3917 | if (ecb_expect_false (getpid () != curpid)) |
3640 | { |
3918 | { |
3641 | curpid = getpid (); |
3919 | curpid = getpid (); |
3642 | postfork = 1; |
3920 | postfork = 1; |
3643 | } |
3921 | } |
3644 | #endif |
3922 | #endif |
3645 | |
3923 | |
3646 | #if EV_FORK_ENABLE |
3924 | #if EV_FORK_ENABLE |
3647 | /* we might have forked, so queue fork handlers */ |
3925 | /* we might have forked, so queue fork handlers */ |
3648 | if (expect_false (postfork)) |
3926 | if (ecb_expect_false (postfork)) |
3649 | if (forkcnt) |
3927 | if (forkcnt) |
3650 | { |
3928 | { |
3651 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3929 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3652 | EV_INVOKE_PENDING; |
3930 | EV_INVOKE_PENDING; |
3653 | } |
3931 | } |
3654 | #endif |
3932 | #endif |
3655 | |
3933 | |
3656 | #if EV_PREPARE_ENABLE |
3934 | #if EV_PREPARE_ENABLE |
3657 | /* queue prepare watchers (and execute them) */ |
3935 | /* queue prepare watchers (and execute them) */ |
3658 | if (expect_false (preparecnt)) |
3936 | if (ecb_expect_false (preparecnt)) |
3659 | { |
3937 | { |
3660 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3938 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3661 | EV_INVOKE_PENDING; |
3939 | EV_INVOKE_PENDING; |
3662 | } |
3940 | } |
3663 | #endif |
3941 | #endif |
3664 | |
3942 | |
3665 | if (expect_false (loop_done)) |
3943 | if (ecb_expect_false (loop_done)) |
3666 | break; |
3944 | break; |
3667 | |
3945 | |
3668 | /* we might have forked, so reify kernel state if necessary */ |
3946 | /* we might have forked, so reify kernel state if necessary */ |
3669 | if (expect_false (postfork)) |
3947 | if (ecb_expect_false (postfork)) |
3670 | loop_fork (EV_A); |
3948 | loop_fork (EV_A); |
3671 | |
3949 | |
3672 | /* update fd-related kernel structures */ |
3950 | /* update fd-related kernel structures */ |
3673 | fd_reify (EV_A); |
3951 | fd_reify (EV_A); |
3674 | |
3952 | |
… | |
… | |
3679 | |
3957 | |
3680 | /* remember old timestamp for io_blocktime calculation */ |
3958 | /* remember old timestamp for io_blocktime calculation */ |
3681 | ev_tstamp prev_mn_now = mn_now; |
3959 | ev_tstamp prev_mn_now = mn_now; |
3682 | |
3960 | |
3683 | /* update time to cancel out callback processing overhead */ |
3961 | /* update time to cancel out callback processing overhead */ |
3684 | time_update (EV_A_ 1e100); |
3962 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3685 | |
3963 | |
3686 | /* from now on, we want a pipe-wake-up */ |
3964 | /* from now on, we want a pipe-wake-up */ |
3687 | pipe_write_wanted = 1; |
3965 | pipe_write_wanted = 1; |
3688 | |
3966 | |
3689 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3967 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3690 | |
3968 | |
3691 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3969 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3692 | { |
3970 | { |
3693 | waittime = MAX_BLOCKTIME; |
3971 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
3694 | |
3972 | |
3695 | if (timercnt) |
3973 | if (timercnt) |
3696 | { |
3974 | { |
3697 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3975 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3698 | if (waittime > to) waittime = to; |
3976 | if (waittime > to) waittime = to; |
… | |
… | |
3705 | if (waittime > to) waittime = to; |
3983 | if (waittime > to) waittime = to; |
3706 | } |
3984 | } |
3707 | #endif |
3985 | #endif |
3708 | |
3986 | |
3709 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3987 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3710 | if (expect_false (waittime < timeout_blocktime)) |
3988 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3711 | waittime = timeout_blocktime; |
3989 | waittime = timeout_blocktime; |
3712 | |
3990 | |
3713 | /* at this point, we NEED to wait, so we have to ensure */ |
3991 | /* now there are two more special cases left, either we have |
3714 | /* to pass a minimum nonzero value to the backend */ |
3992 | * already-expired timers, so we should not sleep, or we have timers |
|
|
3993 | * that expire very soon, in which case we need to wait for a minimum |
|
|
3994 | * amount of time for some event loop backends. |
|
|
3995 | */ |
3715 | if (expect_false (waittime < backend_mintime)) |
3996 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
3997 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
3998 | ? EV_TS_CONST (0.) |
3716 | waittime = backend_mintime; |
3999 | : backend_mintime; |
3717 | |
4000 | |
3718 | /* extra check because io_blocktime is commonly 0 */ |
4001 | /* extra check because io_blocktime is commonly 0 */ |
3719 | if (expect_false (io_blocktime)) |
4002 | if (ecb_expect_false (io_blocktime)) |
3720 | { |
4003 | { |
3721 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4004 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3722 | |
4005 | |
3723 | if (sleeptime > waittime - backend_mintime) |
4006 | if (sleeptime > waittime - backend_mintime) |
3724 | sleeptime = waittime - backend_mintime; |
4007 | sleeptime = waittime - backend_mintime; |
3725 | |
4008 | |
3726 | if (expect_true (sleeptime > 0.)) |
4009 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3727 | { |
4010 | { |
3728 | ev_sleep (sleeptime); |
4011 | ev_sleep (sleeptime); |
3729 | waittime -= sleeptime; |
4012 | waittime -= sleeptime; |
3730 | } |
4013 | } |
3731 | } |
4014 | } |
… | |
… | |
3745 | { |
4028 | { |
3746 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4029 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3747 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4030 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3748 | } |
4031 | } |
3749 | |
4032 | |
3750 | |
|
|
3751 | /* update ev_rt_now, do magic */ |
4033 | /* update ev_rt_now, do magic */ |
3752 | time_update (EV_A_ waittime + sleeptime); |
4034 | time_update (EV_A_ waittime + sleeptime); |
3753 | } |
4035 | } |
3754 | |
4036 | |
3755 | /* queue pending timers and reschedule them */ |
4037 | /* queue pending timers and reschedule them */ |
… | |
… | |
3763 | idle_reify (EV_A); |
4045 | idle_reify (EV_A); |
3764 | #endif |
4046 | #endif |
3765 | |
4047 | |
3766 | #if EV_CHECK_ENABLE |
4048 | #if EV_CHECK_ENABLE |
3767 | /* queue check watchers, to be executed first */ |
4049 | /* queue check watchers, to be executed first */ |
3768 | if (expect_false (checkcnt)) |
4050 | if (ecb_expect_false (checkcnt)) |
3769 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4051 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3770 | #endif |
4052 | #endif |
3771 | |
4053 | |
3772 | EV_INVOKE_PENDING; |
4054 | EV_INVOKE_PENDING; |
3773 | } |
4055 | } |
3774 | while (expect_true ( |
4056 | while (ecb_expect_true ( |
3775 | activecnt |
4057 | activecnt |
3776 | && !loop_done |
4058 | && !loop_done |
3777 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4059 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3778 | )); |
4060 | )); |
3779 | |
4061 | |
… | |
… | |
3806 | } |
4088 | } |
3807 | |
4089 | |
3808 | void |
4090 | void |
3809 | ev_now_update (EV_P) EV_NOEXCEPT |
4091 | ev_now_update (EV_P) EV_NOEXCEPT |
3810 | { |
4092 | { |
3811 | time_update (EV_A_ 1e100); |
4093 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3812 | } |
4094 | } |
3813 | |
4095 | |
3814 | void |
4096 | void |
3815 | ev_suspend (EV_P) EV_NOEXCEPT |
4097 | ev_suspend (EV_P) EV_NOEXCEPT |
3816 | { |
4098 | { |
… | |
… | |
3843 | inline_size void |
4125 | inline_size void |
3844 | wlist_del (WL *head, WL elem) |
4126 | wlist_del (WL *head, WL elem) |
3845 | { |
4127 | { |
3846 | while (*head) |
4128 | while (*head) |
3847 | { |
4129 | { |
3848 | if (expect_true (*head == elem)) |
4130 | if (ecb_expect_true (*head == elem)) |
3849 | { |
4131 | { |
3850 | *head = elem->next; |
4132 | *head = elem->next; |
3851 | break; |
4133 | break; |
3852 | } |
4134 | } |
3853 | |
4135 | |
… | |
… | |
3870 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4152 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3871 | { |
4153 | { |
3872 | W w_ = (W)w; |
4154 | W w_ = (W)w; |
3873 | int pending = w_->pending; |
4155 | int pending = w_->pending; |
3874 | |
4156 | |
3875 | if (expect_true (pending)) |
4157 | if (ecb_expect_true (pending)) |
3876 | { |
4158 | { |
3877 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4159 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3878 | p->w = (W)&pending_w; |
4160 | p->w = (W)&pending_w; |
3879 | w_->pending = 0; |
4161 | w_->pending = 0; |
3880 | return p->events; |
4162 | return p->events; |
… | |
… | |
3907 | w->active = 0; |
4189 | w->active = 0; |
3908 | } |
4190 | } |
3909 | |
4191 | |
3910 | /*****************************************************************************/ |
4192 | /*****************************************************************************/ |
3911 | |
4193 | |
3912 | noinline |
4194 | ecb_noinline |
3913 | void |
4195 | void |
3914 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4196 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3915 | { |
4197 | { |
3916 | int fd = w->fd; |
4198 | int fd = w->fd; |
3917 | |
4199 | |
3918 | if (expect_false (ev_is_active (w))) |
4200 | if (ecb_expect_false (ev_is_active (w))) |
3919 | return; |
4201 | return; |
3920 | |
4202 | |
3921 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4203 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3922 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4204 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3923 | |
4205 | |
|
|
4206 | #if EV_VERIFY >= 2 |
|
|
4207 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4208 | #endif |
3924 | EV_FREQUENT_CHECK; |
4209 | EV_FREQUENT_CHECK; |
3925 | |
4210 | |
3926 | ev_start (EV_A_ (W)w, 1); |
4211 | ev_start (EV_A_ (W)w, 1); |
3927 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
4212 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3928 | wlist_add (&anfds[fd].head, (WL)w); |
4213 | wlist_add (&anfds[fd].head, (WL)w); |
… | |
… | |
3934 | w->events &= ~EV__IOFDSET; |
4219 | w->events &= ~EV__IOFDSET; |
3935 | |
4220 | |
3936 | EV_FREQUENT_CHECK; |
4221 | EV_FREQUENT_CHECK; |
3937 | } |
4222 | } |
3938 | |
4223 | |
3939 | noinline |
4224 | ecb_noinline |
3940 | void |
4225 | void |
3941 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4226 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3942 | { |
4227 | { |
3943 | clear_pending (EV_A_ (W)w); |
4228 | clear_pending (EV_A_ (W)w); |
3944 | if (expect_false (!ev_is_active (w))) |
4229 | if (ecb_expect_false (!ev_is_active (w))) |
3945 | return; |
4230 | return; |
3946 | |
4231 | |
3947 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4232 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3948 | |
4233 | |
|
|
4234 | #if EV_VERIFY >= 2 |
|
|
4235 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4236 | #endif |
3949 | EV_FREQUENT_CHECK; |
4237 | EV_FREQUENT_CHECK; |
3950 | |
4238 | |
3951 | wlist_del (&anfds[w->fd].head, (WL)w); |
4239 | wlist_del (&anfds[w->fd].head, (WL)w); |
3952 | ev_stop (EV_A_ (W)w); |
4240 | ev_stop (EV_A_ (W)w); |
3953 | |
4241 | |
3954 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4242 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3955 | |
4243 | |
3956 | EV_FREQUENT_CHECK; |
4244 | EV_FREQUENT_CHECK; |
3957 | } |
4245 | } |
3958 | |
4246 | |
3959 | noinline |
4247 | ecb_noinline |
3960 | void |
4248 | void |
3961 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4249 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3962 | { |
4250 | { |
3963 | if (expect_false (ev_is_active (w))) |
4251 | if (ecb_expect_false (ev_is_active (w))) |
3964 | return; |
4252 | return; |
3965 | |
4253 | |
3966 | ev_at (w) += mn_now; |
4254 | ev_at (w) += mn_now; |
3967 | |
4255 | |
3968 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4256 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
3979 | EV_FREQUENT_CHECK; |
4267 | EV_FREQUENT_CHECK; |
3980 | |
4268 | |
3981 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4269 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3982 | } |
4270 | } |
3983 | |
4271 | |
3984 | noinline |
4272 | ecb_noinline |
3985 | void |
4273 | void |
3986 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4274 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3987 | { |
4275 | { |
3988 | clear_pending (EV_A_ (W)w); |
4276 | clear_pending (EV_A_ (W)w); |
3989 | if (expect_false (!ev_is_active (w))) |
4277 | if (ecb_expect_false (!ev_is_active (w))) |
3990 | return; |
4278 | return; |
3991 | |
4279 | |
3992 | EV_FREQUENT_CHECK; |
4280 | EV_FREQUENT_CHECK; |
3993 | |
4281 | |
3994 | { |
4282 | { |
… | |
… | |
3996 | |
4284 | |
3997 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4285 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3998 | |
4286 | |
3999 | --timercnt; |
4287 | --timercnt; |
4000 | |
4288 | |
4001 | if (expect_true (active < timercnt + HEAP0)) |
4289 | if (ecb_expect_true (active < timercnt + HEAP0)) |
4002 | { |
4290 | { |
4003 | timers [active] = timers [timercnt + HEAP0]; |
4291 | timers [active] = timers [timercnt + HEAP0]; |
4004 | adjustheap (timers, timercnt, active); |
4292 | adjustheap (timers, timercnt, active); |
4005 | } |
4293 | } |
4006 | } |
4294 | } |
… | |
… | |
4010 | ev_stop (EV_A_ (W)w); |
4298 | ev_stop (EV_A_ (W)w); |
4011 | |
4299 | |
4012 | EV_FREQUENT_CHECK; |
4300 | EV_FREQUENT_CHECK; |
4013 | } |
4301 | } |
4014 | |
4302 | |
4015 | noinline |
4303 | ecb_noinline |
4016 | void |
4304 | void |
4017 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4305 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4018 | { |
4306 | { |
4019 | EV_FREQUENT_CHECK; |
4307 | EV_FREQUENT_CHECK; |
4020 | |
4308 | |
… | |
… | |
4041 | } |
4329 | } |
4042 | |
4330 | |
4043 | ev_tstamp |
4331 | ev_tstamp |
4044 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4332 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4045 | { |
4333 | { |
4046 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4334 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
4047 | } |
4335 | } |
4048 | |
4336 | |
4049 | #if EV_PERIODIC_ENABLE |
4337 | #if EV_PERIODIC_ENABLE |
4050 | noinline |
4338 | ecb_noinline |
4051 | void |
4339 | void |
4052 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4340 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4053 | { |
4341 | { |
4054 | if (expect_false (ev_is_active (w))) |
4342 | if (ecb_expect_false (ev_is_active (w))) |
4055 | return; |
4343 | return; |
|
|
4344 | |
|
|
4345 | #if EV_USE_TIMERFD |
|
|
4346 | if (timerfd == -2) |
|
|
4347 | evtimerfd_init (EV_A); |
|
|
4348 | #endif |
4056 | |
4349 | |
4057 | if (w->reschedule_cb) |
4350 | if (w->reschedule_cb) |
4058 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4351 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4059 | else if (w->interval) |
4352 | else if (w->interval) |
4060 | { |
4353 | { |
… | |
… | |
4076 | EV_FREQUENT_CHECK; |
4369 | EV_FREQUENT_CHECK; |
4077 | |
4370 | |
4078 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4371 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4079 | } |
4372 | } |
4080 | |
4373 | |
4081 | noinline |
4374 | ecb_noinline |
4082 | void |
4375 | void |
4083 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4376 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4084 | { |
4377 | { |
4085 | clear_pending (EV_A_ (W)w); |
4378 | clear_pending (EV_A_ (W)w); |
4086 | if (expect_false (!ev_is_active (w))) |
4379 | if (ecb_expect_false (!ev_is_active (w))) |
4087 | return; |
4380 | return; |
4088 | |
4381 | |
4089 | EV_FREQUENT_CHECK; |
4382 | EV_FREQUENT_CHECK; |
4090 | |
4383 | |
4091 | { |
4384 | { |
… | |
… | |
4093 | |
4386 | |
4094 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4387 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4095 | |
4388 | |
4096 | --periodiccnt; |
4389 | --periodiccnt; |
4097 | |
4390 | |
4098 | if (expect_true (active < periodiccnt + HEAP0)) |
4391 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4099 | { |
4392 | { |
4100 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4393 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4101 | adjustheap (periodics, periodiccnt, active); |
4394 | adjustheap (periodics, periodiccnt, active); |
4102 | } |
4395 | } |
4103 | } |
4396 | } |
… | |
… | |
4105 | ev_stop (EV_A_ (W)w); |
4398 | ev_stop (EV_A_ (W)w); |
4106 | |
4399 | |
4107 | EV_FREQUENT_CHECK; |
4400 | EV_FREQUENT_CHECK; |
4108 | } |
4401 | } |
4109 | |
4402 | |
4110 | noinline |
4403 | ecb_noinline |
4111 | void |
4404 | void |
4112 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4405 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4113 | { |
4406 | { |
4114 | /* TODO: use adjustheap and recalculation */ |
4407 | /* TODO: use adjustheap and recalculation */ |
4115 | ev_periodic_stop (EV_A_ w); |
4408 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4121 | # define SA_RESTART 0 |
4414 | # define SA_RESTART 0 |
4122 | #endif |
4415 | #endif |
4123 | |
4416 | |
4124 | #if EV_SIGNAL_ENABLE |
4417 | #if EV_SIGNAL_ENABLE |
4125 | |
4418 | |
4126 | noinline |
4419 | ecb_noinline |
4127 | void |
4420 | void |
4128 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4421 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4129 | { |
4422 | { |
4130 | if (expect_false (ev_is_active (w))) |
4423 | if (ecb_expect_false (ev_is_active (w))) |
4131 | return; |
4424 | return; |
4132 | |
4425 | |
4133 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4426 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4134 | |
4427 | |
4135 | #if EV_MULTIPLICITY |
4428 | #if EV_MULTIPLICITY |
… | |
… | |
4204 | } |
4497 | } |
4205 | |
4498 | |
4206 | EV_FREQUENT_CHECK; |
4499 | EV_FREQUENT_CHECK; |
4207 | } |
4500 | } |
4208 | |
4501 | |
4209 | noinline |
4502 | ecb_noinline |
4210 | void |
4503 | void |
4211 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4504 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4212 | { |
4505 | { |
4213 | clear_pending (EV_A_ (W)w); |
4506 | clear_pending (EV_A_ (W)w); |
4214 | if (expect_false (!ev_is_active (w))) |
4507 | if (ecb_expect_false (!ev_is_active (w))) |
4215 | return; |
4508 | return; |
4216 | |
4509 | |
4217 | EV_FREQUENT_CHECK; |
4510 | EV_FREQUENT_CHECK; |
4218 | |
4511 | |
4219 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4512 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4252 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4545 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4253 | { |
4546 | { |
4254 | #if EV_MULTIPLICITY |
4547 | #if EV_MULTIPLICITY |
4255 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4548 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4256 | #endif |
4549 | #endif |
4257 | if (expect_false (ev_is_active (w))) |
4550 | if (ecb_expect_false (ev_is_active (w))) |
4258 | return; |
4551 | return; |
4259 | |
4552 | |
4260 | EV_FREQUENT_CHECK; |
4553 | EV_FREQUENT_CHECK; |
4261 | |
4554 | |
4262 | ev_start (EV_A_ (W)w, 1); |
4555 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4267 | |
4560 | |
4268 | void |
4561 | void |
4269 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4562 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4270 | { |
4563 | { |
4271 | clear_pending (EV_A_ (W)w); |
4564 | clear_pending (EV_A_ (W)w); |
4272 | if (expect_false (!ev_is_active (w))) |
4565 | if (ecb_expect_false (!ev_is_active (w))) |
4273 | return; |
4566 | return; |
4274 | |
4567 | |
4275 | EV_FREQUENT_CHECK; |
4568 | EV_FREQUENT_CHECK; |
4276 | |
4569 | |
4277 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4570 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4291 | |
4584 | |
4292 | #define DEF_STAT_INTERVAL 5.0074891 |
4585 | #define DEF_STAT_INTERVAL 5.0074891 |
4293 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4586 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4294 | #define MIN_STAT_INTERVAL 0.1074891 |
4587 | #define MIN_STAT_INTERVAL 0.1074891 |
4295 | |
4588 | |
4296 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4589 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4297 | |
4590 | |
4298 | #if EV_USE_INOTIFY |
4591 | #if EV_USE_INOTIFY |
4299 | |
4592 | |
4300 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4593 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4301 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4594 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4302 | |
4595 | |
4303 | noinline |
4596 | ecb_noinline |
4304 | static void |
4597 | static void |
4305 | infy_add (EV_P_ ev_stat *w) |
4598 | infy_add (EV_P_ ev_stat *w) |
4306 | { |
4599 | { |
4307 | w->wd = inotify_add_watch (fs_fd, w->path, |
4600 | w->wd = inotify_add_watch (fs_fd, w->path, |
4308 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4601 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4373 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4666 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4374 | ev_timer_again (EV_A_ &w->timer); |
4667 | ev_timer_again (EV_A_ &w->timer); |
4375 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4668 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4376 | } |
4669 | } |
4377 | |
4670 | |
4378 | noinline |
4671 | ecb_noinline |
4379 | static void |
4672 | static void |
4380 | infy_del (EV_P_ ev_stat *w) |
4673 | infy_del (EV_P_ ev_stat *w) |
4381 | { |
4674 | { |
4382 | int slot; |
4675 | int slot; |
4383 | int wd = w->wd; |
4676 | int wd = w->wd; |
… | |
… | |
4391 | |
4684 | |
4392 | /* remove this watcher, if others are watching it, they will rearm */ |
4685 | /* remove this watcher, if others are watching it, they will rearm */ |
4393 | inotify_rm_watch (fs_fd, wd); |
4686 | inotify_rm_watch (fs_fd, wd); |
4394 | } |
4687 | } |
4395 | |
4688 | |
4396 | noinline |
4689 | ecb_noinline |
4397 | static void |
4690 | static void |
4398 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4691 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4399 | { |
4692 | { |
4400 | if (slot < 0) |
4693 | if (slot < 0) |
4401 | /* overflow, need to check for all hash slots */ |
4694 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4547 | w->attr.st_nlink = 0; |
4840 | w->attr.st_nlink = 0; |
4548 | else if (!w->attr.st_nlink) |
4841 | else if (!w->attr.st_nlink) |
4549 | w->attr.st_nlink = 1; |
4842 | w->attr.st_nlink = 1; |
4550 | } |
4843 | } |
4551 | |
4844 | |
4552 | noinline |
4845 | ecb_noinline |
4553 | static void |
4846 | static void |
4554 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4847 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4555 | { |
4848 | { |
4556 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4849 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4557 | |
4850 | |
… | |
… | |
4591 | } |
4884 | } |
4592 | |
4885 | |
4593 | void |
4886 | void |
4594 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4887 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4595 | { |
4888 | { |
4596 | if (expect_false (ev_is_active (w))) |
4889 | if (ecb_expect_false (ev_is_active (w))) |
4597 | return; |
4890 | return; |
4598 | |
4891 | |
4599 | ev_stat_stat (EV_A_ w); |
4892 | ev_stat_stat (EV_A_ w); |
4600 | |
4893 | |
4601 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4894 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4623 | |
4916 | |
4624 | void |
4917 | void |
4625 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4918 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4626 | { |
4919 | { |
4627 | clear_pending (EV_A_ (W)w); |
4920 | clear_pending (EV_A_ (W)w); |
4628 | if (expect_false (!ev_is_active (w))) |
4921 | if (ecb_expect_false (!ev_is_active (w))) |
4629 | return; |
4922 | return; |
4630 | |
4923 | |
4631 | EV_FREQUENT_CHECK; |
4924 | EV_FREQUENT_CHECK; |
4632 | |
4925 | |
4633 | #if EV_USE_INOTIFY |
4926 | #if EV_USE_INOTIFY |
… | |
… | |
4648 | |
4941 | |
4649 | #if EV_IDLE_ENABLE |
4942 | #if EV_IDLE_ENABLE |
4650 | void |
4943 | void |
4651 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4944 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4652 | { |
4945 | { |
4653 | if (expect_false (ev_is_active (w))) |
4946 | if (ecb_expect_false (ev_is_active (w))) |
4654 | return; |
4947 | return; |
4655 | |
4948 | |
4656 | pri_adjust (EV_A_ (W)w); |
4949 | pri_adjust (EV_A_ (W)w); |
4657 | |
4950 | |
4658 | EV_FREQUENT_CHECK; |
4951 | EV_FREQUENT_CHECK; |
… | |
… | |
4672 | |
4965 | |
4673 | void |
4966 | void |
4674 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4967 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4675 | { |
4968 | { |
4676 | clear_pending (EV_A_ (W)w); |
4969 | clear_pending (EV_A_ (W)w); |
4677 | if (expect_false (!ev_is_active (w))) |
4970 | if (ecb_expect_false (!ev_is_active (w))) |
4678 | return; |
4971 | return; |
4679 | |
4972 | |
4680 | EV_FREQUENT_CHECK; |
4973 | EV_FREQUENT_CHECK; |
4681 | |
4974 | |
4682 | { |
4975 | { |
… | |
… | |
4695 | |
4988 | |
4696 | #if EV_PREPARE_ENABLE |
4989 | #if EV_PREPARE_ENABLE |
4697 | void |
4990 | void |
4698 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4991 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4699 | { |
4992 | { |
4700 | if (expect_false (ev_is_active (w))) |
4993 | if (ecb_expect_false (ev_is_active (w))) |
4701 | return; |
4994 | return; |
4702 | |
4995 | |
4703 | EV_FREQUENT_CHECK; |
4996 | EV_FREQUENT_CHECK; |
4704 | |
4997 | |
4705 | ev_start (EV_A_ (W)w, ++preparecnt); |
4998 | ev_start (EV_A_ (W)w, ++preparecnt); |
… | |
… | |
4711 | |
5004 | |
4712 | void |
5005 | void |
4713 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5006 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4714 | { |
5007 | { |
4715 | clear_pending (EV_A_ (W)w); |
5008 | clear_pending (EV_A_ (W)w); |
4716 | if (expect_false (!ev_is_active (w))) |
5009 | if (ecb_expect_false (!ev_is_active (w))) |
4717 | return; |
5010 | return; |
4718 | |
5011 | |
4719 | EV_FREQUENT_CHECK; |
5012 | EV_FREQUENT_CHECK; |
4720 | |
5013 | |
4721 | { |
5014 | { |
… | |
… | |
4733 | |
5026 | |
4734 | #if EV_CHECK_ENABLE |
5027 | #if EV_CHECK_ENABLE |
4735 | void |
5028 | void |
4736 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
5029 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4737 | { |
5030 | { |
4738 | if (expect_false (ev_is_active (w))) |
5031 | if (ecb_expect_false (ev_is_active (w))) |
4739 | return; |
5032 | return; |
4740 | |
5033 | |
4741 | EV_FREQUENT_CHECK; |
5034 | EV_FREQUENT_CHECK; |
4742 | |
5035 | |
4743 | ev_start (EV_A_ (W)w, ++checkcnt); |
5036 | ev_start (EV_A_ (W)w, ++checkcnt); |
… | |
… | |
4749 | |
5042 | |
4750 | void |
5043 | void |
4751 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
5044 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4752 | { |
5045 | { |
4753 | clear_pending (EV_A_ (W)w); |
5046 | clear_pending (EV_A_ (W)w); |
4754 | if (expect_false (!ev_is_active (w))) |
5047 | if (ecb_expect_false (!ev_is_active (w))) |
4755 | return; |
5048 | return; |
4756 | |
5049 | |
4757 | EV_FREQUENT_CHECK; |
5050 | EV_FREQUENT_CHECK; |
4758 | |
5051 | |
4759 | { |
5052 | { |
… | |
… | |
4768 | EV_FREQUENT_CHECK; |
5061 | EV_FREQUENT_CHECK; |
4769 | } |
5062 | } |
4770 | #endif |
5063 | #endif |
4771 | |
5064 | |
4772 | #if EV_EMBED_ENABLE |
5065 | #if EV_EMBED_ENABLE |
4773 | noinline |
5066 | ecb_noinline |
4774 | void |
5067 | void |
4775 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
5068 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4776 | { |
5069 | { |
4777 | ev_run (w->other, EVRUN_NOWAIT); |
5070 | ev_run (w->other, EVRUN_NOWAIT); |
4778 | } |
5071 | } |
… | |
… | |
4802 | ev_run (EV_A_ EVRUN_NOWAIT); |
5095 | ev_run (EV_A_ EVRUN_NOWAIT); |
4803 | } |
5096 | } |
4804 | } |
5097 | } |
4805 | } |
5098 | } |
4806 | |
5099 | |
|
|
5100 | #if EV_FORK_ENABLE |
4807 | static void |
5101 | static void |
4808 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5102 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4809 | { |
5103 | { |
4810 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5104 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4811 | |
5105 | |
… | |
… | |
4818 | ev_run (EV_A_ EVRUN_NOWAIT); |
5112 | ev_run (EV_A_ EVRUN_NOWAIT); |
4819 | } |
5113 | } |
4820 | |
5114 | |
4821 | ev_embed_start (EV_A_ w); |
5115 | ev_embed_start (EV_A_ w); |
4822 | } |
5116 | } |
|
|
5117 | #endif |
4823 | |
5118 | |
4824 | #if 0 |
5119 | #if 0 |
4825 | static void |
5120 | static void |
4826 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5121 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4827 | { |
5122 | { |
… | |
… | |
4830 | #endif |
5125 | #endif |
4831 | |
5126 | |
4832 | void |
5127 | void |
4833 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
5128 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4834 | { |
5129 | { |
4835 | if (expect_false (ev_is_active (w))) |
5130 | if (ecb_expect_false (ev_is_active (w))) |
4836 | return; |
5131 | return; |
4837 | |
5132 | |
4838 | { |
5133 | { |
4839 | EV_P = w->other; |
5134 | EV_P = w->other; |
4840 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5135 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4848 | |
5143 | |
4849 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5144 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4850 | ev_set_priority (&w->prepare, EV_MINPRI); |
5145 | ev_set_priority (&w->prepare, EV_MINPRI); |
4851 | ev_prepare_start (EV_A_ &w->prepare); |
5146 | ev_prepare_start (EV_A_ &w->prepare); |
4852 | |
5147 | |
|
|
5148 | #if EV_FORK_ENABLE |
4853 | ev_fork_init (&w->fork, embed_fork_cb); |
5149 | ev_fork_init (&w->fork, embed_fork_cb); |
4854 | ev_fork_start (EV_A_ &w->fork); |
5150 | ev_fork_start (EV_A_ &w->fork); |
|
|
5151 | #endif |
4855 | |
5152 | |
4856 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5153 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4857 | |
5154 | |
4858 | ev_start (EV_A_ (W)w, 1); |
5155 | ev_start (EV_A_ (W)w, 1); |
4859 | |
5156 | |
… | |
… | |
4862 | |
5159 | |
4863 | void |
5160 | void |
4864 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5161 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4865 | { |
5162 | { |
4866 | clear_pending (EV_A_ (W)w); |
5163 | clear_pending (EV_A_ (W)w); |
4867 | if (expect_false (!ev_is_active (w))) |
5164 | if (ecb_expect_false (!ev_is_active (w))) |
4868 | return; |
5165 | return; |
4869 | |
5166 | |
4870 | EV_FREQUENT_CHECK; |
5167 | EV_FREQUENT_CHECK; |
4871 | |
5168 | |
4872 | ev_io_stop (EV_A_ &w->io); |
5169 | ev_io_stop (EV_A_ &w->io); |
4873 | ev_prepare_stop (EV_A_ &w->prepare); |
5170 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5171 | #if EV_FORK_ENABLE |
4874 | ev_fork_stop (EV_A_ &w->fork); |
5172 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5173 | #endif |
4875 | |
5174 | |
4876 | ev_stop (EV_A_ (W)w); |
5175 | ev_stop (EV_A_ (W)w); |
4877 | |
5176 | |
4878 | EV_FREQUENT_CHECK; |
5177 | EV_FREQUENT_CHECK; |
4879 | } |
5178 | } |
… | |
… | |
4881 | |
5180 | |
4882 | #if EV_FORK_ENABLE |
5181 | #if EV_FORK_ENABLE |
4883 | void |
5182 | void |
4884 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5183 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4885 | { |
5184 | { |
4886 | if (expect_false (ev_is_active (w))) |
5185 | if (ecb_expect_false (ev_is_active (w))) |
4887 | return; |
5186 | return; |
4888 | |
5187 | |
4889 | EV_FREQUENT_CHECK; |
5188 | EV_FREQUENT_CHECK; |
4890 | |
5189 | |
4891 | ev_start (EV_A_ (W)w, ++forkcnt); |
5190 | ev_start (EV_A_ (W)w, ++forkcnt); |
… | |
… | |
4897 | |
5196 | |
4898 | void |
5197 | void |
4899 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5198 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4900 | { |
5199 | { |
4901 | clear_pending (EV_A_ (W)w); |
5200 | clear_pending (EV_A_ (W)w); |
4902 | if (expect_false (!ev_is_active (w))) |
5201 | if (ecb_expect_false (!ev_is_active (w))) |
4903 | return; |
5202 | return; |
4904 | |
5203 | |
4905 | EV_FREQUENT_CHECK; |
5204 | EV_FREQUENT_CHECK; |
4906 | |
5205 | |
4907 | { |
5206 | { |
… | |
… | |
4919 | |
5218 | |
4920 | #if EV_CLEANUP_ENABLE |
5219 | #if EV_CLEANUP_ENABLE |
4921 | void |
5220 | void |
4922 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5221 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4923 | { |
5222 | { |
4924 | if (expect_false (ev_is_active (w))) |
5223 | if (ecb_expect_false (ev_is_active (w))) |
4925 | return; |
5224 | return; |
4926 | |
5225 | |
4927 | EV_FREQUENT_CHECK; |
5226 | EV_FREQUENT_CHECK; |
4928 | |
5227 | |
4929 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5228 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
… | |
… | |
4937 | |
5236 | |
4938 | void |
5237 | void |
4939 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5238 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4940 | { |
5239 | { |
4941 | clear_pending (EV_A_ (W)w); |
5240 | clear_pending (EV_A_ (W)w); |
4942 | if (expect_false (!ev_is_active (w))) |
5241 | if (ecb_expect_false (!ev_is_active (w))) |
4943 | return; |
5242 | return; |
4944 | |
5243 | |
4945 | EV_FREQUENT_CHECK; |
5244 | EV_FREQUENT_CHECK; |
4946 | ev_ref (EV_A); |
5245 | ev_ref (EV_A); |
4947 | |
5246 | |
… | |
… | |
4960 | |
5259 | |
4961 | #if EV_ASYNC_ENABLE |
5260 | #if EV_ASYNC_ENABLE |
4962 | void |
5261 | void |
4963 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5262 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4964 | { |
5263 | { |
4965 | if (expect_false (ev_is_active (w))) |
5264 | if (ecb_expect_false (ev_is_active (w))) |
4966 | return; |
5265 | return; |
4967 | |
5266 | |
4968 | w->sent = 0; |
5267 | w->sent = 0; |
4969 | |
5268 | |
4970 | evpipe_init (EV_A); |
5269 | evpipe_init (EV_A); |
… | |
… | |
4980 | |
5279 | |
4981 | void |
5280 | void |
4982 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5281 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4983 | { |
5282 | { |
4984 | clear_pending (EV_A_ (W)w); |
5283 | clear_pending (EV_A_ (W)w); |
4985 | if (expect_false (!ev_is_active (w))) |
5284 | if (ecb_expect_false (!ev_is_active (w))) |
4986 | return; |
5285 | return; |
4987 | |
5286 | |
4988 | EV_FREQUENT_CHECK; |
5287 | EV_FREQUENT_CHECK; |
4989 | |
5288 | |
4990 | { |
5289 | { |