… | |
… | |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
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 |
|
|
121 | # ifndef EV_USE_LINUXAIO |
|
|
122 | # define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */ |
|
|
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_LINUXAIO |
|
|
126 | # define EV_USE_LINUXAIO 0 |
|
|
127 | # endif |
|
|
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 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
138 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
139 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
140 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
141 | # endif |
124 | # else |
142 | # else |
… | |
… | |
159 | # endif |
177 | # endif |
160 | # else |
178 | # else |
161 | # undef EV_USE_EVENTFD |
179 | # undef EV_USE_EVENTFD |
162 | # define EV_USE_EVENTFD 0 |
180 | # define EV_USE_EVENTFD 0 |
163 | # endif |
181 | # endif |
164 | |
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 | |
165 | #endif |
192 | #endif |
166 | |
193 | |
167 | /* OS X, in its infinite idiocy, actually HARDCODES |
194 | /* OS X, in its infinite idiocy, actually HARDCODES |
168 | * a limit of 1024 into their select. Where people have brains, |
195 | * a limit of 1024 into their select. Where people have brains, |
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
196 | * OS X engineers apparently have a vacuum. Or maybe they were |
… | |
… | |
316 | #ifndef EV_USE_PORT |
343 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
344 | # define EV_USE_PORT 0 |
318 | #endif |
345 | #endif |
319 | |
346 | |
320 | #ifndef EV_USE_LINUXAIO |
347 | #ifndef EV_USE_LINUXAIO |
|
|
348 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
|
|
349 | # define EV_USE_LINUXAIO 0 /* was: 1, always off by default */ |
|
|
350 | # else |
321 | # define EV_USE_LINUXAIO 0 |
351 | # define EV_USE_LINUXAIO 0 |
|
|
352 | # endif |
|
|
353 | #endif |
|
|
354 | |
|
|
355 | #ifndef EV_USE_IOURING |
|
|
356 | # if __linux /* later checks might disable again */ |
|
|
357 | # define EV_USE_IOURING 1 |
|
|
358 | # else |
|
|
359 | # define EV_USE_IOURING 0 |
|
|
360 | # endif |
322 | #endif |
361 | #endif |
323 | |
362 | |
324 | #ifndef EV_USE_INOTIFY |
363 | #ifndef EV_USE_INOTIFY |
325 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
364 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
326 | # define EV_USE_INOTIFY EV_FEATURE_OS |
365 | # define EV_USE_INOTIFY EV_FEATURE_OS |
… | |
… | |
348 | #ifndef EV_USE_SIGNALFD |
387 | #ifndef EV_USE_SIGNALFD |
349 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
388 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
350 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
389 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
351 | # else |
390 | # else |
352 | # 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 |
353 | # endif |
400 | # endif |
354 | #endif |
401 | #endif |
355 | |
402 | |
356 | #if 0 /* debugging */ |
403 | #if 0 /* debugging */ |
357 | # define EV_VERIFY 3 |
404 | # define EV_VERIFY 3 |
… | |
… | |
383 | /* aix's poll.h seems to cause lots of trouble */ |
430 | /* aix's poll.h seems to cause lots of trouble */ |
384 | #ifdef _AIX |
431 | #ifdef _AIX |
385 | /* AIX has a completely broken poll.h header */ |
432 | /* AIX has a completely broken poll.h header */ |
386 | # undef EV_USE_POLL |
433 | # undef EV_USE_POLL |
387 | # define EV_USE_POLL 0 |
434 | # define EV_USE_POLL 0 |
388 | #endif |
|
|
389 | |
|
|
390 | #if EV_USE_LINUXAIO |
|
|
391 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
392 | #endif |
435 | #endif |
393 | |
436 | |
394 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
437 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
395 | /* which makes programs even slower. might work on other unices, too. */ |
438 | /* which makes programs even slower. might work on other unices, too. */ |
396 | #if EV_USE_CLOCK_SYSCALL |
439 | #if EV_USE_CLOCK_SYSCALL |
397 | # include <sys/syscall.h> |
440 | # include <sys/syscall.h> |
398 | # ifdef SYS_clock_gettime |
441 | # ifdef SYS_clock_gettime |
399 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
442 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
400 | # undef EV_USE_MONOTONIC |
443 | # undef EV_USE_MONOTONIC |
401 | # define EV_USE_MONOTONIC 1 |
444 | # define EV_USE_MONOTONIC 1 |
|
|
445 | # define EV_NEED_SYSCALL 1 |
402 | # else |
446 | # else |
403 | # undef EV_USE_CLOCK_SYSCALL |
447 | # undef EV_USE_CLOCK_SYSCALL |
404 | # define EV_USE_CLOCK_SYSCALL 0 |
448 | # define EV_USE_CLOCK_SYSCALL 0 |
405 | # endif |
449 | # endif |
406 | #endif |
450 | #endif |
… | |
… | |
420 | #if !EV_STAT_ENABLE |
464 | #if !EV_STAT_ENABLE |
421 | # undef EV_USE_INOTIFY |
465 | # undef EV_USE_INOTIFY |
422 | # define EV_USE_INOTIFY 0 |
466 | # define EV_USE_INOTIFY 0 |
423 | #endif |
467 | #endif |
424 | |
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 |
|
|
475 | #endif |
|
|
476 | |
425 | #if !EV_USE_NANOSLEEP |
477 | #if !EV_USE_NANOSLEEP |
426 | /* 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 */ |
427 | # if !defined _WIN32 && !defined __hpux |
479 | # if !defined _WIN32 && !defined __hpux |
428 | # include <sys/select.h> |
480 | # include <sys/select.h> |
|
|
481 | # endif |
|
|
482 | #endif |
|
|
483 | |
|
|
484 | #if EV_USE_LINUXAIO |
|
|
485 | # include <sys/syscall.h> |
|
|
486 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
487 | # define EV_NEED_SYSCALL 1 |
|
|
488 | # else |
|
|
489 | # undef EV_USE_LINUXAIO |
|
|
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 |
429 | # endif |
506 | # endif |
430 | #endif |
507 | #endif |
431 | |
508 | |
432 | #if EV_USE_INOTIFY |
509 | #if EV_USE_INOTIFY |
433 | # include <sys/statfs.h> |
510 | # include <sys/statfs.h> |
… | |
… | |
438 | # define EV_USE_INOTIFY 0 |
515 | # define EV_USE_INOTIFY 0 |
439 | # endif |
516 | # endif |
440 | #endif |
517 | #endif |
441 | |
518 | |
442 | #if EV_USE_EVENTFD |
519 | #if EV_USE_EVENTFD |
443 | /* 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 */ |
444 | # include <stdint.h> |
521 | # include <stdint.h> |
445 | # ifndef EFD_NONBLOCK |
522 | # ifndef EFD_NONBLOCK |
446 | # define EFD_NONBLOCK O_NONBLOCK |
523 | # define EFD_NONBLOCK O_NONBLOCK |
447 | # endif |
524 | # endif |
448 | # ifndef EFD_CLOEXEC |
525 | # ifndef EFD_CLOEXEC |
… | |
… | |
454 | # endif |
531 | # endif |
455 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
532 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
456 | #endif |
533 | #endif |
457 | |
534 | |
458 | #if EV_USE_SIGNALFD |
535 | #if EV_USE_SIGNALFD |
459 | /* 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 */ |
460 | # include <stdint.h> |
537 | # include <stdint.h> |
461 | # ifndef SFD_NONBLOCK |
538 | # ifndef SFD_NONBLOCK |
462 | # define SFD_NONBLOCK O_NONBLOCK |
539 | # define SFD_NONBLOCK O_NONBLOCK |
463 | # endif |
540 | # endif |
464 | # ifndef SFD_CLOEXEC |
541 | # ifndef SFD_CLOEXEC |
… | |
… | |
466 | # define SFD_CLOEXEC O_CLOEXEC |
543 | # define SFD_CLOEXEC O_CLOEXEC |
467 | # else |
544 | # else |
468 | # define SFD_CLOEXEC 02000000 |
545 | # define SFD_CLOEXEC 02000000 |
469 | # endif |
546 | # endif |
470 | # endif |
547 | # endif |
471 | 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); |
472 | |
549 | |
473 | struct signalfd_siginfo |
550 | struct signalfd_siginfo |
474 | { |
551 | { |
475 | uint32_t ssi_signo; |
552 | uint32_t ssi_signo; |
476 | char pad[128 - sizeof (uint32_t)]; |
553 | char pad[128 - sizeof (uint32_t)]; |
477 | }; |
554 | }; |
478 | #endif |
555 | #endif |
479 | |
556 | |
480 | /**/ |
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 | /*****************************************************************************/ |
481 | |
568 | |
482 | #if EV_VERIFY >= 3 |
569 | #if EV_VERIFY >= 3 |
483 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
570 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
484 | #else |
571 | #else |
485 | # define EV_FREQUENT_CHECK do { } while (0) |
572 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
490 | * This value is good at least till the year 4000. |
577 | * This value is good at least till the year 4000. |
491 | */ |
578 | */ |
492 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
579 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
493 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
580 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
494 | |
581 | |
495 | #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) */ |
496 | #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) */ |
|
|
584 | #define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */ |
497 | |
585 | |
|
|
586 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
|
|
587 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
588 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
|
|
589 | #define EV_TSTAMP_HUGE \ |
|
|
590 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
591 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
592 | : 2147483647.) \ |
|
|
593 | |
|
|
594 | #ifndef EV_TS_CONST |
|
|
595 | # define EV_TS_CONST(nv) nv |
|
|
596 | # define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
|
|
597 | # define EV_TS_FROM_USEC(us) us * 1e-6 |
498 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
598 | # define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
499 | #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_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
600 | # define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
|
|
601 | # define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
|
|
602 | #endif |
500 | |
603 | |
501 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
604 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
502 | /* ECB.H BEGIN */ |
605 | /* ECB.H BEGIN */ |
503 | /* |
606 | /* |
504 | * libecb - http://software.schmorp.de/pkg/libecb |
607 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
542 | |
645 | |
543 | #ifndef ECB_H |
646 | #ifndef ECB_H |
544 | #define ECB_H |
647 | #define ECB_H |
545 | |
648 | |
546 | /* 16 bits major, 16 bits minor */ |
649 | /* 16 bits major, 16 bits minor */ |
547 | #define ECB_VERSION 0x00010005 |
650 | #define ECB_VERSION 0x00010008 |
|
|
651 | |
|
|
652 | #include <string.h> /* for memcpy */ |
548 | |
653 | |
549 | #ifdef _WIN32 |
654 | #ifdef _WIN32 |
550 | typedef signed char int8_t; |
655 | typedef signed char int8_t; |
551 | typedef unsigned char uint8_t; |
656 | typedef unsigned char uint8_t; |
|
|
657 | typedef signed char int_fast8_t; |
|
|
658 | typedef unsigned char uint_fast8_t; |
552 | typedef signed short int16_t; |
659 | typedef signed short int16_t; |
553 | typedef unsigned short uint16_t; |
660 | typedef unsigned short uint16_t; |
|
|
661 | typedef signed int int_fast16_t; |
|
|
662 | typedef unsigned int uint_fast16_t; |
554 | typedef signed int int32_t; |
663 | typedef signed int int32_t; |
555 | typedef unsigned int uint32_t; |
664 | typedef unsigned int uint32_t; |
|
|
665 | typedef signed int int_fast32_t; |
|
|
666 | typedef unsigned int uint_fast32_t; |
556 | #if __GNUC__ |
667 | #if __GNUC__ |
557 | typedef signed long long int64_t; |
668 | typedef signed long long int64_t; |
558 | typedef unsigned long long uint64_t; |
669 | typedef unsigned long long uint64_t; |
559 | #else /* _MSC_VER || __BORLANDC__ */ |
670 | #else /* _MSC_VER || __BORLANDC__ */ |
560 | typedef signed __int64 int64_t; |
671 | typedef signed __int64 int64_t; |
561 | typedef unsigned __int64 uint64_t; |
672 | typedef unsigned __int64 uint64_t; |
562 | #endif |
673 | #endif |
|
|
674 | typedef int64_t int_fast64_t; |
|
|
675 | typedef uint64_t uint_fast64_t; |
563 | #ifdef _WIN64 |
676 | #ifdef _WIN64 |
564 | #define ECB_PTRSIZE 8 |
677 | #define ECB_PTRSIZE 8 |
565 | typedef uint64_t uintptr_t; |
678 | typedef uint64_t uintptr_t; |
566 | typedef int64_t intptr_t; |
679 | typedef int64_t intptr_t; |
567 | #else |
680 | #else |
… | |
… | |
579 | #endif |
692 | #endif |
580 | |
693 | |
581 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
694 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
582 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
695 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
583 | |
696 | |
|
|
697 | #ifndef ECB_OPTIMIZE_SIZE |
|
|
698 | #if __OPTIMIZE_SIZE__ |
|
|
699 | #define ECB_OPTIMIZE_SIZE 1 |
|
|
700 | #else |
|
|
701 | #define ECB_OPTIMIZE_SIZE 0 |
|
|
702 | #endif |
|
|
703 | #endif |
|
|
704 | |
584 | /* work around x32 idiocy by defining proper macros */ |
705 | /* work around x32 idiocy by defining proper macros */ |
585 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
706 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
586 | #if _ILP32 |
707 | #if _ILP32 |
587 | #define ECB_AMD64_X32 1 |
708 | #define ECB_AMD64_X32 1 |
588 | #else |
709 | #else |
… | |
… | |
666 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
787 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
667 | #endif |
788 | #endif |
668 | |
789 | |
669 | #ifndef ECB_MEMORY_FENCE |
790 | #ifndef ECB_MEMORY_FENCE |
670 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
791 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
792 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
671 | #if __i386 || __i386__ |
793 | #if __i386 || __i386__ |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
794 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
673 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
795 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
674 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
796 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
675 | #elif ECB_GCC_AMD64 |
797 | #elif ECB_GCC_AMD64 |
… | |
… | |
725 | #if ECB_GCC_VERSION(4,7) |
847 | #if ECB_GCC_VERSION(4,7) |
726 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
848 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
727 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
849 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
728 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
850 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
729 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
851 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
852 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
730 | |
853 | |
731 | #elif ECB_CLANG_EXTENSION(c_atomic) |
854 | #elif ECB_CLANG_EXTENSION(c_atomic) |
732 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
855 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
733 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
856 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
734 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
857 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
735 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
858 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
859 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
736 | |
860 | |
737 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
861 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
738 | #define ECB_MEMORY_FENCE __sync_synchronize () |
862 | #define ECB_MEMORY_FENCE __sync_synchronize () |
739 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
863 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
740 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
864 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
750 | #elif defined _WIN32 |
874 | #elif defined _WIN32 |
751 | #include <WinNT.h> |
875 | #include <WinNT.h> |
752 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
876 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
753 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
877 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
754 | #include <mbarrier.h> |
878 | #include <mbarrier.h> |
755 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
879 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
756 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
880 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
757 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
881 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
882 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
758 | #elif __xlC__ |
883 | #elif __xlC__ |
759 | #define ECB_MEMORY_FENCE __sync () |
884 | #define ECB_MEMORY_FENCE __sync () |
760 | #endif |
885 | #endif |
761 | #endif |
886 | #endif |
762 | |
887 | |
763 | #ifndef ECB_MEMORY_FENCE |
888 | #ifndef ECB_MEMORY_FENCE |
764 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
889 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
765 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
890 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
766 | /* not just C11 atomics and atomic accesses */ |
891 | /* not just C11 atomics and atomic accesses */ |
767 | #include <stdatomic.h> |
892 | #include <stdatomic.h> |
768 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
769 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
770 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
771 | /* for most usages, or gcc and clang have a bug */ |
|
|
772 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
773 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
774 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
775 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
776 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
893 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
894 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
895 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
777 | #endif |
896 | #endif |
778 | #endif |
897 | #endif |
779 | |
898 | |
780 | #ifndef ECB_MEMORY_FENCE |
899 | #ifndef ECB_MEMORY_FENCE |
781 | #if !ECB_AVOID_PTHREADS |
900 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
799 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
918 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
800 | #endif |
919 | #endif |
801 | |
920 | |
802 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
921 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
803 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
922 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
926 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
804 | #endif |
927 | #endif |
805 | |
928 | |
806 | /*****************************************************************************/ |
929 | /*****************************************************************************/ |
807 | |
930 | |
808 | #if ECB_CPP |
931 | #if ECB_CPP |
… | |
… | |
1092 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1215 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1093 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1216 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1094 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1217 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1095 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1218 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1096 | |
1219 | |
|
|
1220 | #if ECB_CPP |
|
|
1221 | |
|
|
1222 | inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); } |
|
|
1223 | inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); } |
|
|
1224 | inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); } |
|
|
1225 | inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); } |
|
|
1226 | |
|
|
1227 | inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); } |
|
|
1228 | inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); } |
|
|
1229 | inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); } |
|
|
1230 | inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); } |
|
|
1231 | |
|
|
1232 | inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); } |
|
|
1233 | inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); } |
|
|
1234 | inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); } |
|
|
1235 | inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); } |
|
|
1236 | |
|
|
1237 | inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); } |
|
|
1238 | inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); } |
|
|
1239 | inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); } |
|
|
1240 | inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); } |
|
|
1241 | |
|
|
1242 | inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); } |
|
|
1243 | inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); } |
|
|
1244 | inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); } |
|
|
1245 | |
|
|
1246 | inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); } |
|
|
1247 | inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); } |
|
|
1248 | inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); } |
|
|
1249 | inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); } |
|
|
1250 | |
|
|
1251 | inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); } |
|
|
1252 | inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); } |
|
|
1253 | inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); } |
|
|
1254 | inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); } |
|
|
1255 | |
|
|
1256 | #endif |
|
|
1257 | |
1097 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1258 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1098 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1259 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
1099 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1260 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
1100 | #else |
1261 | #else |
1101 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1262 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
… | |
… | |
1172 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1333 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1173 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1334 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1174 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1335 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1175 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1336 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1176 | |
1337 | |
|
|
1338 | /*****************************************************************************/ |
|
|
1339 | /* unaligned load/store */ |
|
|
1340 | |
|
|
1341 | ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1342 | ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1343 | ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1344 | |
|
|
1345 | ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1346 | ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1347 | ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1348 | |
|
|
1349 | ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1350 | ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1351 | ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1352 | |
|
|
1353 | ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1354 | ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1355 | ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1356 | |
|
|
1357 | ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); } |
|
|
1358 | ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); } |
|
|
1359 | ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); } |
|
|
1360 | |
|
|
1361 | ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; } |
|
|
1362 | ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; } |
|
|
1363 | ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; } |
|
|
1364 | |
|
|
1365 | ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; } |
|
|
1366 | ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; } |
|
|
1367 | ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; } |
|
|
1368 | |
|
|
1369 | ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1370 | ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1371 | ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1372 | |
|
|
1373 | ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); } |
|
|
1374 | ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); } |
|
|
1375 | ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); } |
|
|
1376 | |
|
|
1377 | ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); } |
|
|
1378 | ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); } |
|
|
1379 | ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); } |
|
|
1380 | |
|
|
1381 | #if ECB_CPP |
|
|
1382 | |
|
|
1383 | inline uint8_t ecb_bswap (uint8_t v) { return v; } |
|
|
1384 | inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); } |
|
|
1385 | inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); } |
|
|
1386 | inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); } |
|
|
1387 | |
|
|
1388 | template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1389 | template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1390 | template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; } |
|
|
1391 | template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); } |
|
|
1392 | template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); } |
|
|
1393 | template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; } |
|
|
1394 | template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1395 | template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); } |
|
|
1396 | |
|
|
1397 | template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; } |
|
|
1398 | template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; } |
|
|
1399 | template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; } |
|
|
1400 | template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); } |
|
|
1401 | template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); } |
|
|
1402 | template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); } |
|
|
1403 | template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); } |
|
|
1404 | template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); } |
|
|
1405 | |
|
|
1406 | #endif |
|
|
1407 | |
|
|
1408 | /*****************************************************************************/ |
|
|
1409 | |
1177 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1410 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1178 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1411 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1179 | #else |
1412 | #else |
1180 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1413 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1181 | #endif |
1414 | #endif |
… | |
… | |
1204 | return N; |
1437 | return N; |
1205 | } |
1438 | } |
1206 | #else |
1439 | #else |
1207 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1440 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1208 | #endif |
1441 | #endif |
|
|
1442 | |
|
|
1443 | /*****************************************************************************/ |
1209 | |
1444 | |
1210 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1445 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
1211 | ecb_function_ ecb_const uint32_t |
1446 | ecb_function_ ecb_const uint32_t |
1212 | ecb_binary16_to_binary32 (uint32_t x) |
1447 | ecb_binary16_to_binary32 (uint32_t x) |
1213 | { |
1448 | { |
… | |
… | |
1322 | || defined __sh__ \ |
1557 | || defined __sh__ \ |
1323 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1558 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
1324 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1559 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
1325 | || defined __aarch64__ |
1560 | || defined __aarch64__ |
1326 | #define ECB_STDFP 1 |
1561 | #define ECB_STDFP 1 |
1327 | #include <string.h> /* for memcpy */ |
|
|
1328 | #else |
1562 | #else |
1329 | #define ECB_STDFP 0 |
1563 | #define ECB_STDFP 0 |
1330 | #endif |
1564 | #endif |
1331 | |
1565 | |
1332 | #ifndef ECB_NO_LIBM |
1566 | #ifndef ECB_NO_LIBM |
… | |
… | |
1517 | /* ECB.H END */ |
1751 | /* ECB.H END */ |
1518 | |
1752 | |
1519 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1753 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1520 | /* if your architecture doesn't need memory fences, e.g. because it is |
1754 | /* if your architecture doesn't need memory fences, e.g. because it is |
1521 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1755 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1522 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1756 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1523 | * libev, in which cases the memory fences become nops. |
1757 | * libev, in which cases the memory fences become nops. |
1524 | * alternatively, you can remove this #error and link against libpthread, |
1758 | * alternatively, you can remove this #error and link against libpthread, |
1525 | * which will then provide the memory fences. |
1759 | * which will then provide the memory fences. |
1526 | */ |
1760 | */ |
1527 | # error "memory fences not defined for your architecture, please report" |
1761 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1531 | # define ECB_MEMORY_FENCE do { } while (0) |
1765 | # define ECB_MEMORY_FENCE do { } while (0) |
1532 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1766 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1533 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1767 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1534 | #endif |
1768 | #endif |
1535 | |
1769 | |
1536 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1537 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1538 | #define noinline ecb_noinline |
|
|
1539 | |
|
|
1540 | #define inline_size ecb_inline |
1770 | #define inline_size ecb_inline |
1541 | |
1771 | |
1542 | #if EV_FEATURE_CODE |
1772 | #if EV_FEATURE_CODE |
1543 | # define inline_speed ecb_inline |
1773 | # define inline_speed ecb_inline |
1544 | #else |
1774 | #else |
1545 | # define inline_speed noinline static |
1775 | # define inline_speed ecb_noinline static |
1546 | #endif |
1776 | #endif |
|
|
1777 | |
|
|
1778 | /*****************************************************************************/ |
|
|
1779 | /* raw syscall wrappers */ |
|
|
1780 | |
|
|
1781 | #if EV_NEED_SYSCALL |
|
|
1782 | |
|
|
1783 | #include <sys/syscall.h> |
|
|
1784 | |
|
|
1785 | /* |
|
|
1786 | * define some syscall wrappers for common architectures |
|
|
1787 | * this is mostly for nice looks during debugging, not performance. |
|
|
1788 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1789 | * enough for linux aio. |
|
|
1790 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1791 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1792 | */ |
|
|
1793 | #if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE |
|
|
1794 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1795 | |
|
|
1796 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1797 | ({ \ |
|
|
1798 | long res; \ |
|
|
1799 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1800 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1801 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1802 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1803 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1804 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1805 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1806 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1807 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1808 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1809 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1810 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1811 | __asm__ __volatile__ ( \ |
|
|
1812 | "syscall\n\t" \ |
|
|
1813 | : "=a" (res) \ |
|
|
1814 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1815 | : "cc", "r11", "cx", "memory"); \ |
|
|
1816 | errno = -res; \ |
|
|
1817 | res; \ |
|
|
1818 | }) |
|
|
1819 | |
|
|
1820 | #endif |
|
|
1821 | |
|
|
1822 | #ifdef ev_syscall |
|
|
1823 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1824 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1825 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1826 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1827 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1828 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1829 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1830 | #else |
|
|
1831 | #define ev_syscall0(nr) syscall (nr) |
|
|
1832 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1833 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1834 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1835 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1836 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1837 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1838 | #endif |
|
|
1839 | |
|
|
1840 | #endif |
|
|
1841 | |
|
|
1842 | /*****************************************************************************/ |
1547 | |
1843 | |
1548 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1844 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1549 | |
1845 | |
1550 | #if EV_MINPRI == EV_MAXPRI |
1846 | #if EV_MINPRI == EV_MAXPRI |
1551 | # define ABSPRI(w) (((W)w), 0) |
1847 | # define ABSPRI(w) (((W)w), 0) |
… | |
… | |
1586 | # include "ev_win32.c" |
1882 | # include "ev_win32.c" |
1587 | #endif |
1883 | #endif |
1588 | |
1884 | |
1589 | /*****************************************************************************/ |
1885 | /*****************************************************************************/ |
1590 | |
1886 | |
|
|
1887 | #if EV_USE_LINUXAIO |
|
|
1888 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1889 | #endif |
|
|
1890 | |
1591 | /* define a suitable floor function (only used by periodics atm) */ |
1891 | /* define a suitable floor function (only used by periodics atm) */ |
1592 | |
1892 | |
1593 | #if EV_USE_FLOOR |
1893 | #if EV_USE_FLOOR |
1594 | # include <math.h> |
1894 | # include <math.h> |
1595 | # define ev_floor(v) floor (v) |
1895 | # define ev_floor(v) floor (v) |
1596 | #else |
1896 | #else |
1597 | |
1897 | |
1598 | #include <float.h> |
1898 | #include <float.h> |
1599 | |
1899 | |
1600 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1900 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1601 | noinline |
1901 | ecb_noinline |
1602 | static ev_tstamp |
1902 | static ev_tstamp |
1603 | ev_floor (ev_tstamp v) |
1903 | ev_floor (ev_tstamp v) |
1604 | { |
1904 | { |
1605 | /* the choice of shift factor is not terribly important */ |
1905 | /* the choice of shift factor is not terribly important */ |
1606 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1906 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1607 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1907 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1608 | #else |
1908 | #else |
1609 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1909 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1610 | #endif |
1910 | #endif |
1611 | |
1911 | |
|
|
1912 | /* special treatment for negative arguments */ |
|
|
1913 | if (ecb_expect_false (v < 0.)) |
|
|
1914 | { |
|
|
1915 | ev_tstamp f = -ev_floor (-v); |
|
|
1916 | |
|
|
1917 | return f - (f == v ? 0 : 1); |
|
|
1918 | } |
|
|
1919 | |
1612 | /* argument too large for an unsigned long? */ |
1920 | /* argument too large for an unsigned long? then reduce it */ |
1613 | if (expect_false (v >= shift)) |
1921 | if (ecb_expect_false (v >= shift)) |
1614 | { |
1922 | { |
1615 | ev_tstamp f; |
1923 | ev_tstamp f; |
1616 | |
1924 | |
1617 | if (v == v - 1.) |
1925 | if (v == v - 1.) |
1618 | return v; /* very large number */ |
1926 | return v; /* very large numbers are assumed to be integer */ |
1619 | |
1927 | |
1620 | f = shift * ev_floor (v * (1. / shift)); |
1928 | f = shift * ev_floor (v * (1. / shift)); |
1621 | return f + ev_floor (v - f); |
1929 | return f + ev_floor (v - f); |
1622 | } |
1930 | } |
1623 | |
1931 | |
1624 | /* special treatment for negative args? */ |
|
|
1625 | if (expect_false (v < 0.)) |
|
|
1626 | { |
|
|
1627 | ev_tstamp f = -ev_floor (-v); |
|
|
1628 | |
|
|
1629 | return f - (f == v ? 0 : 1); |
|
|
1630 | } |
|
|
1631 | |
|
|
1632 | /* fits into an unsigned long */ |
1932 | /* fits into an unsigned long */ |
1633 | return (unsigned long)v; |
1933 | return (unsigned long)v; |
1634 | } |
1934 | } |
1635 | |
1935 | |
1636 | #endif |
1936 | #endif |
… | |
… | |
1639 | |
1939 | |
1640 | #ifdef __linux |
1940 | #ifdef __linux |
1641 | # include <sys/utsname.h> |
1941 | # include <sys/utsname.h> |
1642 | #endif |
1942 | #endif |
1643 | |
1943 | |
1644 | noinline ecb_cold |
1944 | ecb_noinline ecb_cold |
1645 | static unsigned int |
1945 | static unsigned int |
1646 | ev_linux_version (void) |
1946 | ev_linux_version (void) |
1647 | { |
1947 | { |
1648 | #ifdef __linux |
1948 | #ifdef __linux |
1649 | unsigned int v = 0; |
1949 | unsigned int v = 0; |
… | |
… | |
1679 | } |
1979 | } |
1680 | |
1980 | |
1681 | /*****************************************************************************/ |
1981 | /*****************************************************************************/ |
1682 | |
1982 | |
1683 | #if EV_AVOID_STDIO |
1983 | #if EV_AVOID_STDIO |
1684 | noinline ecb_cold |
1984 | ecb_noinline ecb_cold |
1685 | static void |
1985 | static void |
1686 | ev_printerr (const char *msg) |
1986 | ev_printerr (const char *msg) |
1687 | { |
1987 | { |
1688 | write (STDERR_FILENO, msg, strlen (msg)); |
1988 | write (STDERR_FILENO, msg, strlen (msg)); |
1689 | } |
1989 | } |
… | |
… | |
1696 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1996 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1697 | { |
1997 | { |
1698 | syserr_cb = cb; |
1998 | syserr_cb = cb; |
1699 | } |
1999 | } |
1700 | |
2000 | |
1701 | noinline ecb_cold |
2001 | ecb_noinline ecb_cold |
1702 | static void |
2002 | static void |
1703 | ev_syserr (const char *msg) |
2003 | ev_syserr (const char *msg) |
1704 | { |
2004 | { |
1705 | if (!msg) |
2005 | if (!msg) |
1706 | msg = "(libev) system error"; |
2006 | msg = "(libev) system error"; |
… | |
… | |
1778 | { |
2078 | { |
1779 | WL head; |
2079 | WL head; |
1780 | unsigned char events; /* the events watched for */ |
2080 | unsigned char events; /* the events watched for */ |
1781 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
2081 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1782 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
2082 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1783 | unsigned char unused; |
2083 | unsigned char eflags; /* flags field for use by backends */ |
1784 | #if EV_USE_EPOLL |
2084 | #if EV_USE_EPOLL |
1785 | unsigned int egen; /* generation counter to counter epoll bugs */ |
2085 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1786 | #endif |
2086 | #endif |
1787 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2087 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1788 | SOCKET handle; |
2088 | SOCKET handle; |
… | |
… | |
1842 | static struct ev_loop default_loop_struct; |
2142 | static struct ev_loop default_loop_struct; |
1843 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
2143 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
1844 | |
2144 | |
1845 | #else |
2145 | #else |
1846 | |
2146 | |
1847 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
2147 | EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */ |
1848 | #define VAR(name,decl) static decl; |
2148 | #define VAR(name,decl) static decl; |
1849 | #include "ev_vars.h" |
2149 | #include "ev_vars.h" |
1850 | #undef VAR |
2150 | #undef VAR |
1851 | |
2151 | |
1852 | static int ev_default_loop_ptr; |
2152 | static int ev_default_loop_ptr; |
1853 | |
2153 | |
1854 | #endif |
2154 | #endif |
1855 | |
2155 | |
1856 | #if EV_FEATURE_API |
2156 | #if EV_FEATURE_API |
1857 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
2157 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1858 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
2158 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1859 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
2159 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1860 | #else |
2160 | #else |
1861 | # define EV_RELEASE_CB (void)0 |
2161 | # define EV_RELEASE_CB (void)0 |
1862 | # define EV_ACQUIRE_CB (void)0 |
2162 | # define EV_ACQUIRE_CB (void)0 |
1863 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
2163 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1870 | #ifndef EV_HAVE_EV_TIME |
2170 | #ifndef EV_HAVE_EV_TIME |
1871 | ev_tstamp |
2171 | ev_tstamp |
1872 | ev_time (void) EV_NOEXCEPT |
2172 | ev_time (void) EV_NOEXCEPT |
1873 | { |
2173 | { |
1874 | #if EV_USE_REALTIME |
2174 | #if EV_USE_REALTIME |
1875 | if (expect_true (have_realtime)) |
2175 | if (ecb_expect_true (have_realtime)) |
1876 | { |
2176 | { |
1877 | struct timespec ts; |
2177 | struct timespec ts; |
1878 | clock_gettime (CLOCK_REALTIME, &ts); |
2178 | clock_gettime (CLOCK_REALTIME, &ts); |
1879 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2179 | return EV_TS_GET (ts); |
1880 | } |
2180 | } |
1881 | #endif |
2181 | #endif |
1882 | |
2182 | |
|
|
2183 | { |
1883 | struct timeval tv; |
2184 | struct timeval tv; |
1884 | gettimeofday (&tv, 0); |
2185 | gettimeofday (&tv, 0); |
1885 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2186 | return EV_TV_GET (tv); |
|
|
2187 | } |
1886 | } |
2188 | } |
1887 | #endif |
2189 | #endif |
1888 | |
2190 | |
1889 | inline_size ev_tstamp |
2191 | inline_size ev_tstamp |
1890 | get_clock (void) |
2192 | get_clock (void) |
1891 | { |
2193 | { |
1892 | #if EV_USE_MONOTONIC |
2194 | #if EV_USE_MONOTONIC |
1893 | if (expect_true (have_monotonic)) |
2195 | if (ecb_expect_true (have_monotonic)) |
1894 | { |
2196 | { |
1895 | struct timespec ts; |
2197 | struct timespec ts; |
1896 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2198 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1897 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2199 | return EV_TS_GET (ts); |
1898 | } |
2200 | } |
1899 | #endif |
2201 | #endif |
1900 | |
2202 | |
1901 | return ev_time (); |
2203 | return ev_time (); |
1902 | } |
2204 | } |
… | |
… | |
1910 | #endif |
2212 | #endif |
1911 | |
2213 | |
1912 | void |
2214 | void |
1913 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
2215 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1914 | { |
2216 | { |
1915 | if (delay > 0.) |
2217 | if (delay > EV_TS_CONST (0.)) |
1916 | { |
2218 | { |
1917 | #if EV_USE_NANOSLEEP |
2219 | #if EV_USE_NANOSLEEP |
1918 | struct timespec ts; |
2220 | struct timespec ts; |
1919 | |
2221 | |
1920 | EV_TS_SET (ts, delay); |
2222 | EV_TS_SET (ts, delay); |
1921 | nanosleep (&ts, 0); |
2223 | nanosleep (&ts, 0); |
1922 | #elif defined _WIN32 |
2224 | #elif defined _WIN32 |
1923 | /* maybe this should round up, as ms is very low resolution */ |
2225 | /* maybe this should round up, as ms is very low resolution */ |
1924 | /* compared to select (µs) or nanosleep (ns) */ |
2226 | /* compared to select (µs) or nanosleep (ns) */ |
1925 | Sleep ((unsigned long)(delay * 1e3)); |
2227 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1926 | #else |
2228 | #else |
1927 | struct timeval tv; |
2229 | struct timeval tv; |
1928 | |
2230 | |
1929 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2231 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1930 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2232 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1960 | } |
2262 | } |
1961 | |
2263 | |
1962 | return ncur; |
2264 | return ncur; |
1963 | } |
2265 | } |
1964 | |
2266 | |
1965 | noinline ecb_cold |
2267 | ecb_noinline ecb_cold |
1966 | static void * |
2268 | static void * |
1967 | array_realloc (int elem, void *base, int *cur, int cnt) |
2269 | array_realloc (int elem, void *base, int *cur, int cnt) |
1968 | { |
2270 | { |
1969 | *cur = array_nextsize (elem, *cur, cnt); |
2271 | *cur = array_nextsize (elem, *cur, cnt); |
1970 | return ev_realloc (base, elem * *cur); |
2272 | return ev_realloc (base, elem * *cur); |
1971 | } |
2273 | } |
1972 | |
2274 | |
1973 | #define array_needsize_noinit(base,count) |
2275 | #define array_needsize_noinit(base,offset,count) |
1974 | |
2276 | |
1975 | #define array_needsize_zerofill(base,count) \ |
2277 | #define array_needsize_zerofill(base,offset,count) \ |
1976 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2278 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1977 | |
2279 | |
1978 | #define array_needsize(type,base,cur,cnt,init) \ |
2280 | #define array_needsize(type,base,cur,cnt,init) \ |
1979 | if (expect_false ((cnt) > (cur))) \ |
2281 | if (ecb_expect_false ((cnt) > (cur))) \ |
1980 | { \ |
2282 | { \ |
1981 | ecb_unused int ocur_ = (cur); \ |
2283 | ecb_unused int ocur_ = (cur); \ |
1982 | (base) = (type *)array_realloc \ |
2284 | (base) = (type *)array_realloc \ |
1983 | (sizeof (type), (base), &(cur), (cnt)); \ |
2285 | (sizeof (type), (base), &(cur), (cnt)); \ |
1984 | init ((base) + (ocur_), (cur) - ocur_); \ |
2286 | init ((base), ocur_, ((cur) - ocur_)); \ |
1985 | } |
2287 | } |
1986 | |
2288 | |
1987 | #if 0 |
2289 | #if 0 |
1988 | #define array_slim(type,stem) \ |
2290 | #define array_slim(type,stem) \ |
1989 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2291 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1998 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2300 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1999 | |
2301 | |
2000 | /*****************************************************************************/ |
2302 | /*****************************************************************************/ |
2001 | |
2303 | |
2002 | /* dummy callback for pending events */ |
2304 | /* dummy callback for pending events */ |
2003 | noinline |
2305 | ecb_noinline |
2004 | static void |
2306 | static void |
2005 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2307 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2006 | { |
2308 | { |
2007 | } |
2309 | } |
2008 | |
2310 | |
2009 | noinline |
2311 | ecb_noinline |
2010 | void |
2312 | void |
2011 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2313 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2012 | { |
2314 | { |
2013 | W w_ = (W)w; |
2315 | W w_ = (W)w; |
2014 | int pri = ABSPRI (w_); |
2316 | int pri = ABSPRI (w_); |
2015 | |
2317 | |
2016 | if (expect_false (w_->pending)) |
2318 | if (ecb_expect_false (w_->pending)) |
2017 | pendings [pri][w_->pending - 1].events |= revents; |
2319 | pendings [pri][w_->pending - 1].events |= revents; |
2018 | else |
2320 | else |
2019 | { |
2321 | { |
2020 | w_->pending = ++pendingcnt [pri]; |
2322 | w_->pending = ++pendingcnt [pri]; |
2021 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2323 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
… | |
… | |
2072 | inline_speed void |
2374 | inline_speed void |
2073 | fd_event (EV_P_ int fd, int revents) |
2375 | fd_event (EV_P_ int fd, int revents) |
2074 | { |
2376 | { |
2075 | ANFD *anfd = anfds + fd; |
2377 | ANFD *anfd = anfds + fd; |
2076 | |
2378 | |
2077 | if (expect_true (!anfd->reify)) |
2379 | if (ecb_expect_true (!anfd->reify)) |
2078 | fd_event_nocheck (EV_A_ fd, revents); |
2380 | fd_event_nocheck (EV_A_ fd, revents); |
2079 | } |
2381 | } |
2080 | |
2382 | |
2081 | void |
2383 | void |
2082 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2384 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2090 | inline_size void |
2392 | inline_size void |
2091 | fd_reify (EV_P) |
2393 | fd_reify (EV_P) |
2092 | { |
2394 | { |
2093 | int i; |
2395 | int i; |
2094 | |
2396 | |
|
|
2397 | /* most backends do not modify the fdchanges list in backend_modfiy. |
|
|
2398 | * except io_uring, which has fixed-size buffers which might force us |
|
|
2399 | * to handle events in backend_modify, causing fdchanges to be amended, |
|
|
2400 | * which could result in an endless loop. |
|
|
2401 | * to avoid this, we do not dynamically handle fds that were added |
|
|
2402 | * during fd_reify. that means that for those backends, fdchangecnt |
|
|
2403 | * might be non-zero during poll, which must cause them to not block. |
|
|
2404 | * to not put too much of a burden on other backends, this detail |
|
|
2405 | * needs to be handled in the backend. |
|
|
2406 | */ |
|
|
2407 | int changecnt = fdchangecnt; |
|
|
2408 | |
2095 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2409 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
2096 | for (i = 0; i < fdchangecnt; ++i) |
2410 | for (i = 0; i < changecnt; ++i) |
2097 | { |
2411 | { |
2098 | int fd = fdchanges [i]; |
2412 | int fd = fdchanges [i]; |
2099 | ANFD *anfd = anfds + fd; |
2413 | ANFD *anfd = anfds + fd; |
2100 | |
2414 | |
2101 | if (anfd->reify & EV__IOFDSET && anfd->head) |
2415 | if (anfd->reify & EV__IOFDSET && anfd->head) |
… | |
… | |
2115 | } |
2429 | } |
2116 | } |
2430 | } |
2117 | } |
2431 | } |
2118 | #endif |
2432 | #endif |
2119 | |
2433 | |
2120 | for (i = 0; i < fdchangecnt; ++i) |
2434 | for (i = 0; i < changecnt; ++i) |
2121 | { |
2435 | { |
2122 | int fd = fdchanges [i]; |
2436 | int fd = fdchanges [i]; |
2123 | ANFD *anfd = anfds + fd; |
2437 | ANFD *anfd = anfds + fd; |
2124 | ev_io *w; |
2438 | ev_io *w; |
2125 | |
2439 | |
2126 | unsigned char o_events = anfd->events; |
2440 | unsigned char o_events = anfd->events; |
2127 | unsigned char o_reify = anfd->reify; |
2441 | unsigned char o_reify = anfd->reify; |
2128 | |
2442 | |
2129 | anfd->reify = 0; |
2443 | anfd->reify = 0; |
2130 | |
2444 | |
2131 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2445 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2132 | { |
2446 | { |
2133 | anfd->events = 0; |
2447 | anfd->events = 0; |
2134 | |
2448 | |
2135 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2449 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2136 | anfd->events |= (unsigned char)w->events; |
2450 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2141 | |
2455 | |
2142 | if (o_reify & EV__IOFDSET) |
2456 | if (o_reify & EV__IOFDSET) |
2143 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2457 | backend_modify (EV_A_ fd, o_events, anfd->events); |
2144 | } |
2458 | } |
2145 | |
2459 | |
|
|
2460 | /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added. |
|
|
2461 | * this is a rare case (see beginning comment in this function), so we copy them to the |
|
|
2462 | * front and hope the backend handles this case. |
|
|
2463 | */ |
|
|
2464 | if (ecb_expect_false (fdchangecnt != changecnt)) |
|
|
2465 | memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges)); |
|
|
2466 | |
2146 | fdchangecnt = 0; |
2467 | fdchangecnt -= changecnt; |
2147 | } |
2468 | } |
2148 | |
2469 | |
2149 | /* something about the given fd changed */ |
2470 | /* something about the given fd changed */ |
2150 | inline_size |
2471 | inline_size |
2151 | void |
2472 | void |
2152 | fd_change (EV_P_ int fd, int flags) |
2473 | fd_change (EV_P_ int fd, int flags) |
2153 | { |
2474 | { |
2154 | unsigned char reify = anfds [fd].reify; |
2475 | unsigned char reify = anfds [fd].reify; |
2155 | anfds [fd].reify |= flags; |
2476 | anfds [fd].reify |= flags; |
2156 | |
2477 | |
2157 | if (expect_true (!reify)) |
2478 | if (ecb_expect_true (!reify)) |
2158 | { |
2479 | { |
2159 | ++fdchangecnt; |
2480 | ++fdchangecnt; |
2160 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2481 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2161 | fdchanges [fdchangecnt - 1] = fd; |
2482 | fdchanges [fdchangecnt - 1] = fd; |
2162 | } |
2483 | } |
… | |
… | |
2185 | return fcntl (fd, F_GETFD) != -1; |
2506 | return fcntl (fd, F_GETFD) != -1; |
2186 | #endif |
2507 | #endif |
2187 | } |
2508 | } |
2188 | |
2509 | |
2189 | /* called on EBADF to verify fds */ |
2510 | /* called on EBADF to verify fds */ |
2190 | noinline ecb_cold |
2511 | ecb_noinline ecb_cold |
2191 | static void |
2512 | static void |
2192 | fd_ebadf (EV_P) |
2513 | fd_ebadf (EV_P) |
2193 | { |
2514 | { |
2194 | int fd; |
2515 | int fd; |
2195 | |
2516 | |
… | |
… | |
2198 | if (!fd_valid (fd) && errno == EBADF) |
2519 | if (!fd_valid (fd) && errno == EBADF) |
2199 | fd_kill (EV_A_ fd); |
2520 | fd_kill (EV_A_ fd); |
2200 | } |
2521 | } |
2201 | |
2522 | |
2202 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2523 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2203 | noinline ecb_cold |
2524 | ecb_noinline ecb_cold |
2204 | static void |
2525 | static void |
2205 | fd_enomem (EV_P) |
2526 | fd_enomem (EV_P) |
2206 | { |
2527 | { |
2207 | int fd; |
2528 | int fd; |
2208 | |
2529 | |
… | |
… | |
2213 | break; |
2534 | break; |
2214 | } |
2535 | } |
2215 | } |
2536 | } |
2216 | |
2537 | |
2217 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2218 | noinline |
2539 | ecb_noinline |
2219 | static void |
2540 | static void |
2220 | fd_rearm_all (EV_P) |
2541 | fd_rearm_all (EV_P) |
2221 | { |
2542 | { |
2222 | int fd; |
2543 | int fd; |
2223 | |
2544 | |
… | |
… | |
2277 | ev_tstamp minat; |
2598 | ev_tstamp minat; |
2278 | ANHE *minpos; |
2599 | ANHE *minpos; |
2279 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2600 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2280 | |
2601 | |
2281 | /* find minimum child */ |
2602 | /* find minimum child */ |
2282 | if (expect_true (pos + DHEAP - 1 < E)) |
2603 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2283 | { |
2604 | { |
2284 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2605 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2285 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2606 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2286 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2607 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2287 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2608 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2288 | } |
2609 | } |
2289 | else if (pos < E) |
2610 | else if (pos < E) |
2290 | { |
2611 | { |
2291 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2612 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2292 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2613 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2293 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2614 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2294 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2615 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2295 | } |
2616 | } |
2296 | else |
2617 | else |
2297 | break; |
2618 | break; |
2298 | |
2619 | |
2299 | if (ANHE_at (he) <= minat) |
2620 | if (ANHE_at (he) <= minat) |
… | |
… | |
2307 | |
2628 | |
2308 | heap [k] = he; |
2629 | heap [k] = he; |
2309 | ev_active (ANHE_w (he)) = k; |
2630 | ev_active (ANHE_w (he)) = k; |
2310 | } |
2631 | } |
2311 | |
2632 | |
2312 | #else /* 4HEAP */ |
2633 | #else /* not 4HEAP */ |
2313 | |
2634 | |
2314 | #define HEAP0 1 |
2635 | #define HEAP0 1 |
2315 | #define HPARENT(k) ((k) >> 1) |
2636 | #define HPARENT(k) ((k) >> 1) |
2316 | #define UPHEAP_DONE(p,k) (!(p)) |
2637 | #define UPHEAP_DONE(p,k) (!(p)) |
2317 | |
2638 | |
… | |
… | |
2389 | upheap (heap, i + HEAP0); |
2710 | upheap (heap, i + HEAP0); |
2390 | } |
2711 | } |
2391 | |
2712 | |
2392 | /*****************************************************************************/ |
2713 | /*****************************************************************************/ |
2393 | |
2714 | |
2394 | /* associate signal watchers to a signal signal */ |
2715 | /* associate signal watchers to a signal */ |
2395 | typedef struct |
2716 | typedef struct |
2396 | { |
2717 | { |
2397 | EV_ATOMIC_T pending; |
2718 | EV_ATOMIC_T pending; |
2398 | #if EV_MULTIPLICITY |
2719 | #if EV_MULTIPLICITY |
2399 | EV_P; |
2720 | EV_P; |
… | |
… | |
2405 | |
2726 | |
2406 | /*****************************************************************************/ |
2727 | /*****************************************************************************/ |
2407 | |
2728 | |
2408 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2729 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2409 | |
2730 | |
2410 | noinline ecb_cold |
2731 | ecb_noinline ecb_cold |
2411 | static void |
2732 | static void |
2412 | evpipe_init (EV_P) |
2733 | evpipe_init (EV_P) |
2413 | { |
2734 | { |
2414 | if (!ev_is_active (&pipe_w)) |
2735 | if (!ev_is_active (&pipe_w)) |
2415 | { |
2736 | { |
… | |
… | |
2456 | inline_speed void |
2777 | inline_speed void |
2457 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2778 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2458 | { |
2779 | { |
2459 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2780 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2460 | |
2781 | |
2461 | if (expect_true (*flag)) |
2782 | if (ecb_expect_true (*flag)) |
2462 | return; |
2783 | return; |
2463 | |
2784 | |
2464 | *flag = 1; |
2785 | *flag = 1; |
2465 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2786 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2466 | |
2787 | |
… | |
… | |
2543 | sig_pending = 0; |
2864 | sig_pending = 0; |
2544 | |
2865 | |
2545 | ECB_MEMORY_FENCE; |
2866 | ECB_MEMORY_FENCE; |
2546 | |
2867 | |
2547 | for (i = EV_NSIG - 1; i--; ) |
2868 | for (i = EV_NSIG - 1; i--; ) |
2548 | if (expect_false (signals [i].pending)) |
2869 | if (ecb_expect_false (signals [i].pending)) |
2549 | ev_feed_signal_event (EV_A_ i + 1); |
2870 | ev_feed_signal_event (EV_A_ i + 1); |
2550 | } |
2871 | } |
2551 | #endif |
2872 | #endif |
2552 | |
2873 | |
2553 | #if EV_ASYNC_ENABLE |
2874 | #if EV_ASYNC_ENABLE |
… | |
… | |
2594 | #endif |
2915 | #endif |
2595 | |
2916 | |
2596 | ev_feed_signal (signum); |
2917 | ev_feed_signal (signum); |
2597 | } |
2918 | } |
2598 | |
2919 | |
2599 | noinline |
2920 | ecb_noinline |
2600 | void |
2921 | void |
2601 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2922 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2602 | { |
2923 | { |
2603 | WL w; |
2924 | WL w; |
2604 | |
2925 | |
2605 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2926 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2606 | return; |
2927 | return; |
2607 | |
2928 | |
2608 | --signum; |
2929 | --signum; |
2609 | |
2930 | |
2610 | #if EV_MULTIPLICITY |
2931 | #if EV_MULTIPLICITY |
2611 | /* it is permissible to try to feed a signal to the wrong loop */ |
2932 | /* it is permissible to try to feed a signal to the wrong loop */ |
2612 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2933 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2613 | |
2934 | |
2614 | if (expect_false (signals [signum].loop != EV_A)) |
2935 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2615 | return; |
2936 | return; |
2616 | #endif |
2937 | #endif |
2617 | |
2938 | |
2618 | signals [signum].pending = 0; |
2939 | signals [signum].pending = 0; |
2619 | ECB_MEMORY_FENCE_RELEASE; |
2940 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2703 | |
3024 | |
2704 | #endif |
3025 | #endif |
2705 | |
3026 | |
2706 | /*****************************************************************************/ |
3027 | /*****************************************************************************/ |
2707 | |
3028 | |
|
|
3029 | #if EV_USE_TIMERFD |
|
|
3030 | |
|
|
3031 | static void periodics_reschedule (EV_P); |
|
|
3032 | |
|
|
3033 | static void |
|
|
3034 | timerfdcb (EV_P_ ev_io *iow, int revents) |
|
|
3035 | { |
|
|
3036 | struct itimerspec its = { 0 }; |
|
|
3037 | |
|
|
3038 | its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2; |
|
|
3039 | timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0); |
|
|
3040 | |
|
|
3041 | ev_rt_now = ev_time (); |
|
|
3042 | /* periodics_reschedule only needs ev_rt_now */ |
|
|
3043 | /* but maybe in the future we want the full treatment. */ |
|
|
3044 | /* |
|
|
3045 | now_floor = EV_TS_CONST (0.); |
|
|
3046 | time_update (EV_A_ EV_TSTAMP_HUGE); |
|
|
3047 | */ |
|
|
3048 | #if EV_PERIODIC_ENABLE |
|
|
3049 | periodics_reschedule (EV_A); |
|
|
3050 | #endif |
|
|
3051 | } |
|
|
3052 | |
|
|
3053 | ecb_noinline ecb_cold |
|
|
3054 | static void |
|
|
3055 | evtimerfd_init (EV_P) |
|
|
3056 | { |
|
|
3057 | if (!ev_is_active (&timerfd_w)) |
|
|
3058 | { |
|
|
3059 | timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC); |
|
|
3060 | |
|
|
3061 | if (timerfd >= 0) |
|
|
3062 | { |
|
|
3063 | fd_intern (timerfd); /* just to be sure */ |
|
|
3064 | |
|
|
3065 | ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ); |
|
|
3066 | ev_set_priority (&timerfd_w, EV_MINPRI); |
|
|
3067 | ev_io_start (EV_A_ &timerfd_w); |
|
|
3068 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
3069 | |
|
|
3070 | /* (re-) arm timer */ |
|
|
3071 | timerfdcb (EV_A_ 0, 0); |
|
|
3072 | } |
|
|
3073 | } |
|
|
3074 | } |
|
|
3075 | |
|
|
3076 | #endif |
|
|
3077 | |
|
|
3078 | /*****************************************************************************/ |
|
|
3079 | |
2708 | #if EV_USE_IOCP |
3080 | #if EV_USE_IOCP |
2709 | # include "ev_iocp.c" |
3081 | # include "ev_iocp.c" |
2710 | #endif |
3082 | #endif |
2711 | #if EV_USE_PORT |
3083 | #if EV_USE_PORT |
2712 | # include "ev_port.c" |
3084 | # include "ev_port.c" |
2713 | #endif |
3085 | #endif |
2714 | #if EV_USE_KQUEUE |
3086 | #if EV_USE_KQUEUE |
2715 | # include "ev_kqueue.c" |
3087 | # include "ev_kqueue.c" |
2716 | #endif |
3088 | #endif |
|
|
3089 | #if EV_USE_EPOLL |
|
|
3090 | # include "ev_epoll.c" |
|
|
3091 | #endif |
2717 | #if EV_USE_LINUXAIO |
3092 | #if EV_USE_LINUXAIO |
2718 | # include "ev_linuxaio.c" |
3093 | # include "ev_linuxaio.c" |
2719 | #endif |
3094 | #endif |
2720 | #if EV_USE_EPOLL |
3095 | #if EV_USE_IOURING |
2721 | # include "ev_epoll.c" |
3096 | # include "ev_iouring.c" |
2722 | #endif |
3097 | #endif |
2723 | #if EV_USE_POLL |
3098 | #if EV_USE_POLL |
2724 | # include "ev_poll.c" |
3099 | # include "ev_poll.c" |
2725 | #endif |
3100 | #endif |
2726 | #if EV_USE_SELECT |
3101 | #if EV_USE_SELECT |
… | |
… | |
2755 | unsigned int |
3130 | unsigned int |
2756 | ev_supported_backends (void) EV_NOEXCEPT |
3131 | ev_supported_backends (void) EV_NOEXCEPT |
2757 | { |
3132 | { |
2758 | unsigned int flags = 0; |
3133 | unsigned int flags = 0; |
2759 | |
3134 | |
2760 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
3135 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2761 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
3136 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2762 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
3137 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2763 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
3138 | if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO; |
2764 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
3139 | if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */ |
2765 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
3140 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2766 | |
3141 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
|
|
3142 | |
2767 | return flags; |
3143 | return flags; |
2768 | } |
3144 | } |
2769 | |
3145 | |
2770 | ecb_cold |
3146 | ecb_cold |
2771 | unsigned int |
3147 | unsigned int |
… | |
… | |
2785 | #endif |
3161 | #endif |
2786 | #ifdef __FreeBSD__ |
3162 | #ifdef __FreeBSD__ |
2787 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
3163 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2788 | #endif |
3164 | #endif |
2789 | |
3165 | |
|
|
3166 | /* TODO: linuxaio is very experimental */ |
|
|
3167 | #if !EV_RECOMMEND_LINUXAIO |
|
|
3168 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
3169 | #endif |
|
|
3170 | /* TODO: linuxaio is super experimental */ |
|
|
3171 | #if !EV_RECOMMEND_IOURING |
|
|
3172 | flags &= ~EVBACKEND_IOURING; |
|
|
3173 | #endif |
|
|
3174 | |
2790 | return flags; |
3175 | return flags; |
2791 | } |
3176 | } |
2792 | |
3177 | |
2793 | ecb_cold |
3178 | ecb_cold |
2794 | unsigned int |
3179 | unsigned int |
2795 | ev_embeddable_backends (void) EV_NOEXCEPT |
3180 | ev_embeddable_backends (void) EV_NOEXCEPT |
2796 | { |
3181 | { |
2797 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
3182 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING; |
2798 | |
3183 | |
2799 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
3184 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2800 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
3185 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2801 | flags &= ~EVBACKEND_EPOLL; |
3186 | flags &= ~EVBACKEND_EPOLL; |
2802 | |
3187 | |
|
|
3188 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
3189 | |
2803 | return flags; |
3190 | return flags; |
2804 | } |
3191 | } |
2805 | |
3192 | |
2806 | unsigned int |
3193 | unsigned int |
2807 | ev_backend (EV_P) EV_NOEXCEPT |
3194 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2859 | acquire_cb = acquire; |
3246 | acquire_cb = acquire; |
2860 | } |
3247 | } |
2861 | #endif |
3248 | #endif |
2862 | |
3249 | |
2863 | /* initialise a loop structure, must be zero-initialised */ |
3250 | /* initialise a loop structure, must be zero-initialised */ |
2864 | noinline ecb_cold |
3251 | ecb_noinline ecb_cold |
2865 | static void |
3252 | static void |
2866 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3253 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2867 | { |
3254 | { |
2868 | if (!backend) |
3255 | if (!backend) |
2869 | { |
3256 | { |
… | |
… | |
2924 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
3311 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
2925 | #endif |
3312 | #endif |
2926 | #if EV_USE_SIGNALFD |
3313 | #if EV_USE_SIGNALFD |
2927 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
3314 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
2928 | #endif |
3315 | #endif |
|
|
3316 | #if EV_USE_TIMERFD |
|
|
3317 | timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2; |
|
|
3318 | #endif |
2929 | |
3319 | |
2930 | if (!(flags & EVBACKEND_MASK)) |
3320 | if (!(flags & EVBACKEND_MASK)) |
2931 | flags |= ev_recommended_backends (); |
3321 | flags |= ev_recommended_backends (); |
2932 | |
3322 | |
2933 | #if EV_USE_IOCP |
3323 | #if EV_USE_IOCP |
… | |
… | |
2936 | #if EV_USE_PORT |
3326 | #if EV_USE_PORT |
2937 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3327 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2938 | #endif |
3328 | #endif |
2939 | #if EV_USE_KQUEUE |
3329 | #if EV_USE_KQUEUE |
2940 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
3330 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3331 | #endif |
|
|
3332 | #if EV_USE_IOURING |
|
|
3333 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
2941 | #endif |
3334 | #endif |
2942 | #if EV_USE_LINUXAIO |
3335 | #if EV_USE_LINUXAIO |
2943 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3336 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2944 | #endif |
3337 | #endif |
2945 | #if EV_USE_EPOLL |
3338 | #if EV_USE_EPOLL |
… | |
… | |
2974 | return; |
3367 | return; |
2975 | #endif |
3368 | #endif |
2976 | |
3369 | |
2977 | #if EV_CLEANUP_ENABLE |
3370 | #if EV_CLEANUP_ENABLE |
2978 | /* queue cleanup watchers (and execute them) */ |
3371 | /* queue cleanup watchers (and execute them) */ |
2979 | if (expect_false (cleanupcnt)) |
3372 | if (ecb_expect_false (cleanupcnt)) |
2980 | { |
3373 | { |
2981 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3374 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2982 | EV_INVOKE_PENDING; |
3375 | EV_INVOKE_PENDING; |
2983 | } |
3376 | } |
2984 | #endif |
3377 | #endif |
… | |
… | |
3003 | #if EV_USE_SIGNALFD |
3396 | #if EV_USE_SIGNALFD |
3004 | if (ev_is_active (&sigfd_w)) |
3397 | if (ev_is_active (&sigfd_w)) |
3005 | close (sigfd); |
3398 | close (sigfd); |
3006 | #endif |
3399 | #endif |
3007 | |
3400 | |
|
|
3401 | #if EV_USE_TIMERFD |
|
|
3402 | if (ev_is_active (&timerfd_w)) |
|
|
3403 | close (timerfd); |
|
|
3404 | #endif |
|
|
3405 | |
3008 | #if EV_USE_INOTIFY |
3406 | #if EV_USE_INOTIFY |
3009 | if (fs_fd >= 0) |
3407 | if (fs_fd >= 0) |
3010 | close (fs_fd); |
3408 | close (fs_fd); |
3011 | #endif |
3409 | #endif |
3012 | |
3410 | |
… | |
… | |
3019 | #if EV_USE_PORT |
3417 | #if EV_USE_PORT |
3020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3418 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3021 | #endif |
3419 | #endif |
3022 | #if EV_USE_KQUEUE |
3420 | #if EV_USE_KQUEUE |
3023 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
3421 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3422 | #endif |
|
|
3423 | #if EV_USE_IOURING |
|
|
3424 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
3024 | #endif |
3425 | #endif |
3025 | #if EV_USE_LINUXAIO |
3426 | #if EV_USE_LINUXAIO |
3026 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3427 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3027 | #endif |
3428 | #endif |
3028 | #if EV_USE_EPOLL |
3429 | #if EV_USE_EPOLL |
… | |
… | |
3087 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3488 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3088 | #endif |
3489 | #endif |
3089 | #if EV_USE_KQUEUE |
3490 | #if EV_USE_KQUEUE |
3090 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3491 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3091 | #endif |
3492 | #endif |
|
|
3493 | #if EV_USE_IOURING |
|
|
3494 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3495 | #endif |
3092 | #if EV_USE_LINUXAIO |
3496 | #if EV_USE_LINUXAIO |
3093 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3497 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3094 | #endif |
3498 | #endif |
3095 | #if EV_USE_EPOLL |
3499 | #if EV_USE_EPOLL |
3096 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3500 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3097 | #endif |
3501 | #endif |
3098 | #if EV_USE_INOTIFY |
3502 | #if EV_USE_INOTIFY |
3099 | infy_fork (EV_A); |
3503 | infy_fork (EV_A); |
3100 | #endif |
3504 | #endif |
3101 | |
3505 | |
|
|
3506 | if (postfork != 2) |
|
|
3507 | { |
|
|
3508 | #if EV_USE_SIGNALFD |
|
|
3509 | /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */ |
|
|
3510 | #endif |
|
|
3511 | |
|
|
3512 | #if EV_USE_TIMERFD |
|
|
3513 | if (ev_is_active (&timerfd_w)) |
|
|
3514 | { |
|
|
3515 | ev_ref (EV_A); |
|
|
3516 | ev_io_stop (EV_A_ &timerfd_w); |
|
|
3517 | |
|
|
3518 | close (timerfd); |
|
|
3519 | timerfd = -2; |
|
|
3520 | |
|
|
3521 | evtimerfd_init (EV_A); |
|
|
3522 | /* reschedule periodics, in case we missed something */ |
|
|
3523 | ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM); |
|
|
3524 | } |
|
|
3525 | #endif |
|
|
3526 | |
3102 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3527 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3103 | if (ev_is_active (&pipe_w) && postfork != 2) |
3528 | if (ev_is_active (&pipe_w)) |
3104 | { |
3529 | { |
3105 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3530 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3106 | |
3531 | |
3107 | ev_ref (EV_A); |
3532 | ev_ref (EV_A); |
3108 | ev_io_stop (EV_A_ &pipe_w); |
3533 | ev_io_stop (EV_A_ &pipe_w); |
3109 | |
3534 | |
3110 | if (evpipe [0] >= 0) |
3535 | if (evpipe [0] >= 0) |
3111 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3536 | EV_WIN32_CLOSE_FD (evpipe [0]); |
3112 | |
3537 | |
3113 | evpipe_init (EV_A); |
3538 | evpipe_init (EV_A); |
3114 | /* iterate over everything, in case we missed something before */ |
3539 | /* iterate over everything, in case we missed something before */ |
3115 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3540 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3541 | } |
|
|
3542 | #endif |
3116 | } |
3543 | } |
3117 | #endif |
|
|
3118 | |
3544 | |
3119 | postfork = 0; |
3545 | postfork = 0; |
3120 | } |
3546 | } |
3121 | |
3547 | |
3122 | #if EV_MULTIPLICITY |
3548 | #if EV_MULTIPLICITY |
… | |
… | |
3138 | } |
3564 | } |
3139 | |
3565 | |
3140 | #endif /* multiplicity */ |
3566 | #endif /* multiplicity */ |
3141 | |
3567 | |
3142 | #if EV_VERIFY |
3568 | #if EV_VERIFY |
3143 | noinline ecb_cold |
3569 | ecb_noinline ecb_cold |
3144 | static void |
3570 | static void |
3145 | verify_watcher (EV_P_ W w) |
3571 | verify_watcher (EV_P_ W w) |
3146 | { |
3572 | { |
3147 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3573 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3148 | |
3574 | |
3149 | if (w->pending) |
3575 | if (w->pending) |
3150 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3576 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3151 | } |
3577 | } |
3152 | |
3578 | |
3153 | noinline ecb_cold |
3579 | ecb_noinline ecb_cold |
3154 | static void |
3580 | static void |
3155 | verify_heap (EV_P_ ANHE *heap, int N) |
3581 | verify_heap (EV_P_ ANHE *heap, int N) |
3156 | { |
3582 | { |
3157 | int i; |
3583 | int i; |
3158 | |
3584 | |
… | |
… | |
3164 | |
3590 | |
3165 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3591 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3166 | } |
3592 | } |
3167 | } |
3593 | } |
3168 | |
3594 | |
3169 | noinline ecb_cold |
3595 | ecb_noinline ecb_cold |
3170 | static void |
3596 | static void |
3171 | array_verify (EV_P_ W *ws, int cnt) |
3597 | array_verify (EV_P_ W *ws, int cnt) |
3172 | { |
3598 | { |
3173 | while (cnt--) |
3599 | while (cnt--) |
3174 | { |
3600 | { |
… | |
… | |
3323 | count += pendingcnt [pri]; |
3749 | count += pendingcnt [pri]; |
3324 | |
3750 | |
3325 | return count; |
3751 | return count; |
3326 | } |
3752 | } |
3327 | |
3753 | |
3328 | noinline |
3754 | ecb_noinline |
3329 | void |
3755 | void |
3330 | ev_invoke_pending (EV_P) |
3756 | ev_invoke_pending (EV_P) |
3331 | { |
3757 | { |
3332 | pendingpri = NUMPRI; |
3758 | pendingpri = NUMPRI; |
3333 | |
3759 | |
… | |
… | |
3352 | /* make idle watchers pending. this handles the "call-idle */ |
3778 | /* make idle watchers pending. this handles the "call-idle */ |
3353 | /* only when higher priorities are idle" logic */ |
3779 | /* only when higher priorities are idle" logic */ |
3354 | inline_size void |
3780 | inline_size void |
3355 | idle_reify (EV_P) |
3781 | idle_reify (EV_P) |
3356 | { |
3782 | { |
3357 | if (expect_false (idleall)) |
3783 | if (ecb_expect_false (idleall)) |
3358 | { |
3784 | { |
3359 | int pri; |
3785 | int pri; |
3360 | |
3786 | |
3361 | for (pri = NUMPRI; pri--; ) |
3787 | for (pri = NUMPRI; pri--; ) |
3362 | { |
3788 | { |
… | |
… | |
3392 | { |
3818 | { |
3393 | ev_at (w) += w->repeat; |
3819 | ev_at (w) += w->repeat; |
3394 | if (ev_at (w) < mn_now) |
3820 | if (ev_at (w) < mn_now) |
3395 | ev_at (w) = mn_now; |
3821 | ev_at (w) = mn_now; |
3396 | |
3822 | |
3397 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
3823 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.))); |
3398 | |
3824 | |
3399 | ANHE_at_cache (timers [HEAP0]); |
3825 | ANHE_at_cache (timers [HEAP0]); |
3400 | downheap (timers, timercnt, HEAP0); |
3826 | downheap (timers, timercnt, HEAP0); |
3401 | } |
3827 | } |
3402 | else |
3828 | else |
… | |
… | |
3411 | } |
3837 | } |
3412 | } |
3838 | } |
3413 | |
3839 | |
3414 | #if EV_PERIODIC_ENABLE |
3840 | #if EV_PERIODIC_ENABLE |
3415 | |
3841 | |
3416 | noinline |
3842 | ecb_noinline |
3417 | static void |
3843 | static void |
3418 | periodic_recalc (EV_P_ ev_periodic *w) |
3844 | periodic_recalc (EV_P_ ev_periodic *w) |
3419 | { |
3845 | { |
3420 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3846 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3421 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3847 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3424 | while (at <= ev_rt_now) |
3850 | while (at <= ev_rt_now) |
3425 | { |
3851 | { |
3426 | ev_tstamp nat = at + w->interval; |
3852 | ev_tstamp nat = at + w->interval; |
3427 | |
3853 | |
3428 | /* when resolution fails us, we use ev_rt_now */ |
3854 | /* when resolution fails us, we use ev_rt_now */ |
3429 | if (expect_false (nat == at)) |
3855 | if (ecb_expect_false (nat == at)) |
3430 | { |
3856 | { |
3431 | at = ev_rt_now; |
3857 | at = ev_rt_now; |
3432 | break; |
3858 | break; |
3433 | } |
3859 | } |
3434 | |
3860 | |
… | |
… | |
3480 | } |
3906 | } |
3481 | } |
3907 | } |
3482 | |
3908 | |
3483 | /* simply recalculate all periodics */ |
3909 | /* simply recalculate all periodics */ |
3484 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3910 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3485 | noinline ecb_cold |
3911 | ecb_noinline ecb_cold |
3486 | static void |
3912 | static void |
3487 | periodics_reschedule (EV_P) |
3913 | periodics_reschedule (EV_P) |
3488 | { |
3914 | { |
3489 | int i; |
3915 | int i; |
3490 | |
3916 | |
… | |
… | |
3504 | reheap (periodics, periodiccnt); |
3930 | reheap (periodics, periodiccnt); |
3505 | } |
3931 | } |
3506 | #endif |
3932 | #endif |
3507 | |
3933 | |
3508 | /* adjust all timers by a given offset */ |
3934 | /* adjust all timers by a given offset */ |
3509 | noinline ecb_cold |
3935 | ecb_noinline ecb_cold |
3510 | static void |
3936 | static void |
3511 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3937 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3512 | { |
3938 | { |
3513 | int i; |
3939 | int i; |
3514 | |
3940 | |
… | |
… | |
3524 | /* also detect if there was a timejump, and act accordingly */ |
3950 | /* also detect if there was a timejump, and act accordingly */ |
3525 | inline_speed void |
3951 | inline_speed void |
3526 | time_update (EV_P_ ev_tstamp max_block) |
3952 | time_update (EV_P_ ev_tstamp max_block) |
3527 | { |
3953 | { |
3528 | #if EV_USE_MONOTONIC |
3954 | #if EV_USE_MONOTONIC |
3529 | if (expect_true (have_monotonic)) |
3955 | if (ecb_expect_true (have_monotonic)) |
3530 | { |
3956 | { |
3531 | int i; |
3957 | int i; |
3532 | ev_tstamp odiff = rtmn_diff; |
3958 | ev_tstamp odiff = rtmn_diff; |
3533 | |
3959 | |
3534 | mn_now = get_clock (); |
3960 | mn_now = get_clock (); |
3535 | |
3961 | |
3536 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3962 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3537 | /* interpolate in the meantime */ |
3963 | /* interpolate in the meantime */ |
3538 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3964 | if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5))) |
3539 | { |
3965 | { |
3540 | ev_rt_now = rtmn_diff + mn_now; |
3966 | ev_rt_now = rtmn_diff + mn_now; |
3541 | return; |
3967 | return; |
3542 | } |
3968 | } |
3543 | |
3969 | |
… | |
… | |
3557 | ev_tstamp diff; |
3983 | ev_tstamp diff; |
3558 | rtmn_diff = ev_rt_now - mn_now; |
3984 | rtmn_diff = ev_rt_now - mn_now; |
3559 | |
3985 | |
3560 | diff = odiff - rtmn_diff; |
3986 | diff = odiff - rtmn_diff; |
3561 | |
3987 | |
3562 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3988 | if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP))) |
3563 | return; /* all is well */ |
3989 | return; /* all is well */ |
3564 | |
3990 | |
3565 | ev_rt_now = ev_time (); |
3991 | ev_rt_now = ev_time (); |
3566 | mn_now = get_clock (); |
3992 | mn_now = get_clock (); |
3567 | now_floor = mn_now; |
3993 | now_floor = mn_now; |
… | |
… | |
3576 | else |
4002 | else |
3577 | #endif |
4003 | #endif |
3578 | { |
4004 | { |
3579 | ev_rt_now = ev_time (); |
4005 | ev_rt_now = ev_time (); |
3580 | |
4006 | |
3581 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
4007 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP))) |
3582 | { |
4008 | { |
3583 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
4009 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3584 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
4010 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3585 | #if EV_PERIODIC_ENABLE |
4011 | #if EV_PERIODIC_ENABLE |
3586 | periodics_reschedule (EV_A); |
4012 | periodics_reschedule (EV_A); |
… | |
… | |
3609 | #if EV_VERIFY >= 2 |
4035 | #if EV_VERIFY >= 2 |
3610 | ev_verify (EV_A); |
4036 | ev_verify (EV_A); |
3611 | #endif |
4037 | #endif |
3612 | |
4038 | |
3613 | #ifndef _WIN32 |
4039 | #ifndef _WIN32 |
3614 | if (expect_false (curpid)) /* penalise the forking check even more */ |
4040 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3615 | if (expect_false (getpid () != curpid)) |
4041 | if (ecb_expect_false (getpid () != curpid)) |
3616 | { |
4042 | { |
3617 | curpid = getpid (); |
4043 | curpid = getpid (); |
3618 | postfork = 1; |
4044 | postfork = 1; |
3619 | } |
4045 | } |
3620 | #endif |
4046 | #endif |
3621 | |
4047 | |
3622 | #if EV_FORK_ENABLE |
4048 | #if EV_FORK_ENABLE |
3623 | /* we might have forked, so queue fork handlers */ |
4049 | /* we might have forked, so queue fork handlers */ |
3624 | if (expect_false (postfork)) |
4050 | if (ecb_expect_false (postfork)) |
3625 | if (forkcnt) |
4051 | if (forkcnt) |
3626 | { |
4052 | { |
3627 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
4053 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3628 | EV_INVOKE_PENDING; |
4054 | EV_INVOKE_PENDING; |
3629 | } |
4055 | } |
3630 | #endif |
4056 | #endif |
3631 | |
4057 | |
3632 | #if EV_PREPARE_ENABLE |
4058 | #if EV_PREPARE_ENABLE |
3633 | /* queue prepare watchers (and execute them) */ |
4059 | /* queue prepare watchers (and execute them) */ |
3634 | if (expect_false (preparecnt)) |
4060 | if (ecb_expect_false (preparecnt)) |
3635 | { |
4061 | { |
3636 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
4062 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3637 | EV_INVOKE_PENDING; |
4063 | EV_INVOKE_PENDING; |
3638 | } |
4064 | } |
3639 | #endif |
4065 | #endif |
3640 | |
4066 | |
3641 | if (expect_false (loop_done)) |
4067 | if (ecb_expect_false (loop_done)) |
3642 | break; |
4068 | break; |
3643 | |
4069 | |
3644 | /* we might have forked, so reify kernel state if necessary */ |
4070 | /* we might have forked, so reify kernel state if necessary */ |
3645 | if (expect_false (postfork)) |
4071 | if (ecb_expect_false (postfork)) |
3646 | loop_fork (EV_A); |
4072 | loop_fork (EV_A); |
3647 | |
4073 | |
3648 | /* update fd-related kernel structures */ |
4074 | /* update fd-related kernel structures */ |
3649 | fd_reify (EV_A); |
4075 | fd_reify (EV_A); |
3650 | |
4076 | |
… | |
… | |
3655 | |
4081 | |
3656 | /* remember old timestamp for io_blocktime calculation */ |
4082 | /* remember old timestamp for io_blocktime calculation */ |
3657 | ev_tstamp prev_mn_now = mn_now; |
4083 | ev_tstamp prev_mn_now = mn_now; |
3658 | |
4084 | |
3659 | /* update time to cancel out callback processing overhead */ |
4085 | /* update time to cancel out callback processing overhead */ |
3660 | time_update (EV_A_ 1e100); |
4086 | time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE)); |
3661 | |
4087 | |
3662 | /* from now on, we want a pipe-wake-up */ |
4088 | /* from now on, we want a pipe-wake-up */ |
3663 | pipe_write_wanted = 1; |
4089 | pipe_write_wanted = 1; |
3664 | |
4090 | |
3665 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
4091 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3666 | |
4092 | |
3667 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
4093 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3668 | { |
4094 | { |
3669 | waittime = MAX_BLOCKTIME; |
4095 | waittime = EV_TS_CONST (MAX_BLOCKTIME); |
|
|
4096 | |
|
|
4097 | #if EV_USE_TIMERFD |
|
|
4098 | /* sleep a lot longer when we can reliably detect timejumps */ |
|
|
4099 | if (ecb_expect_true (timerfd >= 0)) |
|
|
4100 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4101 | #endif |
|
|
4102 | #if !EV_PERIODIC_ENABLE |
|
|
4103 | /* without periodics but with monotonic clock there is no need */ |
|
|
4104 | /* for any time jump detection, so sleep longer */ |
|
|
4105 | if (ecb_expect_true (have_monotonic)) |
|
|
4106 | waittime = EV_TS_CONST (MAX_BLOCKTIME2); |
|
|
4107 | #endif |
3670 | |
4108 | |
3671 | if (timercnt) |
4109 | if (timercnt) |
3672 | { |
4110 | { |
3673 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
4111 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
3674 | if (waittime > to) waittime = to; |
4112 | if (waittime > to) waittime = to; |
… | |
… | |
3681 | if (waittime > to) waittime = to; |
4119 | if (waittime > to) waittime = to; |
3682 | } |
4120 | } |
3683 | #endif |
4121 | #endif |
3684 | |
4122 | |
3685 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
4123 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3686 | if (expect_false (waittime < timeout_blocktime)) |
4124 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3687 | waittime = timeout_blocktime; |
4125 | waittime = timeout_blocktime; |
3688 | |
4126 | |
3689 | /* at this point, we NEED to wait, so we have to ensure */ |
4127 | /* now there are two more special cases left, either we have |
3690 | /* to pass a minimum nonzero value to the backend */ |
4128 | * already-expired timers, so we should not sleep, or we have timers |
|
|
4129 | * that expire very soon, in which case we need to wait for a minimum |
|
|
4130 | * amount of time for some event loop backends. |
|
|
4131 | */ |
3691 | if (expect_false (waittime < backend_mintime)) |
4132 | if (ecb_expect_false (waittime < backend_mintime)) |
|
|
4133 | waittime = waittime <= EV_TS_CONST (0.) |
|
|
4134 | ? EV_TS_CONST (0.) |
3692 | waittime = backend_mintime; |
4135 | : backend_mintime; |
3693 | |
4136 | |
3694 | /* extra check because io_blocktime is commonly 0 */ |
4137 | /* extra check because io_blocktime is commonly 0 */ |
3695 | if (expect_false (io_blocktime)) |
4138 | if (ecb_expect_false (io_blocktime)) |
3696 | { |
4139 | { |
3697 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
4140 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3698 | |
4141 | |
3699 | if (sleeptime > waittime - backend_mintime) |
4142 | if (sleeptime > waittime - backend_mintime) |
3700 | sleeptime = waittime - backend_mintime; |
4143 | sleeptime = waittime - backend_mintime; |
3701 | |
4144 | |
3702 | if (expect_true (sleeptime > 0.)) |
4145 | if (ecb_expect_true (sleeptime > EV_TS_CONST (0.))) |
3703 | { |
4146 | { |
3704 | ev_sleep (sleeptime); |
4147 | ev_sleep (sleeptime); |
3705 | waittime -= sleeptime; |
4148 | waittime -= sleeptime; |
3706 | } |
4149 | } |
3707 | } |
4150 | } |
… | |
… | |
3721 | { |
4164 | { |
3722 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
4165 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3723 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
4166 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3724 | } |
4167 | } |
3725 | |
4168 | |
3726 | |
|
|
3727 | /* update ev_rt_now, do magic */ |
4169 | /* update ev_rt_now, do magic */ |
3728 | time_update (EV_A_ waittime + sleeptime); |
4170 | time_update (EV_A_ waittime + sleeptime); |
3729 | } |
4171 | } |
3730 | |
4172 | |
3731 | /* queue pending timers and reschedule them */ |
4173 | /* queue pending timers and reschedule them */ |
… | |
… | |
3739 | idle_reify (EV_A); |
4181 | idle_reify (EV_A); |
3740 | #endif |
4182 | #endif |
3741 | |
4183 | |
3742 | #if EV_CHECK_ENABLE |
4184 | #if EV_CHECK_ENABLE |
3743 | /* queue check watchers, to be executed first */ |
4185 | /* queue check watchers, to be executed first */ |
3744 | if (expect_false (checkcnt)) |
4186 | if (ecb_expect_false (checkcnt)) |
3745 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
4187 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3746 | #endif |
4188 | #endif |
3747 | |
4189 | |
3748 | EV_INVOKE_PENDING; |
4190 | EV_INVOKE_PENDING; |
3749 | } |
4191 | } |
3750 | while (expect_true ( |
4192 | while (ecb_expect_true ( |
3751 | activecnt |
4193 | activecnt |
3752 | && !loop_done |
4194 | && !loop_done |
3753 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
4195 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3754 | )); |
4196 | )); |
3755 | |
4197 | |
… | |
… | |
3782 | } |
4224 | } |
3783 | |
4225 | |
3784 | void |
4226 | void |
3785 | ev_now_update (EV_P) EV_NOEXCEPT |
4227 | ev_now_update (EV_P) EV_NOEXCEPT |
3786 | { |
4228 | { |
3787 | time_update (EV_A_ 1e100); |
4229 | time_update (EV_A_ EV_TSTAMP_HUGE); |
3788 | } |
4230 | } |
3789 | |
4231 | |
3790 | void |
4232 | void |
3791 | ev_suspend (EV_P) EV_NOEXCEPT |
4233 | ev_suspend (EV_P) EV_NOEXCEPT |
3792 | { |
4234 | { |
… | |
… | |
3819 | inline_size void |
4261 | inline_size void |
3820 | wlist_del (WL *head, WL elem) |
4262 | wlist_del (WL *head, WL elem) |
3821 | { |
4263 | { |
3822 | while (*head) |
4264 | while (*head) |
3823 | { |
4265 | { |
3824 | if (expect_true (*head == elem)) |
4266 | if (ecb_expect_true (*head == elem)) |
3825 | { |
4267 | { |
3826 | *head = elem->next; |
4268 | *head = elem->next; |
3827 | break; |
4269 | break; |
3828 | } |
4270 | } |
3829 | |
4271 | |
… | |
… | |
3846 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
4288 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3847 | { |
4289 | { |
3848 | W w_ = (W)w; |
4290 | W w_ = (W)w; |
3849 | int pending = w_->pending; |
4291 | int pending = w_->pending; |
3850 | |
4292 | |
3851 | if (expect_true (pending)) |
4293 | if (ecb_expect_true (pending)) |
3852 | { |
4294 | { |
3853 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4295 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3854 | p->w = (W)&pending_w; |
4296 | p->w = (W)&pending_w; |
3855 | w_->pending = 0; |
4297 | w_->pending = 0; |
3856 | return p->events; |
4298 | return p->events; |
… | |
… | |
3883 | w->active = 0; |
4325 | w->active = 0; |
3884 | } |
4326 | } |
3885 | |
4327 | |
3886 | /*****************************************************************************/ |
4328 | /*****************************************************************************/ |
3887 | |
4329 | |
3888 | noinline |
4330 | ecb_noinline |
3889 | void |
4331 | void |
3890 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4332 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3891 | { |
4333 | { |
3892 | int fd = w->fd; |
4334 | int fd = w->fd; |
3893 | |
4335 | |
3894 | if (expect_false (ev_is_active (w))) |
4336 | if (ecb_expect_false (ev_is_active (w))) |
3895 | return; |
4337 | return; |
3896 | |
4338 | |
3897 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4339 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3898 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4340 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3899 | |
4341 | |
|
|
4342 | #if EV_VERIFY >= 2 |
|
|
4343 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4344 | #endif |
3900 | EV_FREQUENT_CHECK; |
4345 | EV_FREQUENT_CHECK; |
3901 | |
4346 | |
3902 | ev_start (EV_A_ (W)w, 1); |
4347 | ev_start (EV_A_ (W)w, 1); |
3903 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
4348 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3904 | wlist_add (&anfds[fd].head, (WL)w); |
4349 | wlist_add (&anfds[fd].head, (WL)w); |
… | |
… | |
3910 | w->events &= ~EV__IOFDSET; |
4355 | w->events &= ~EV__IOFDSET; |
3911 | |
4356 | |
3912 | EV_FREQUENT_CHECK; |
4357 | EV_FREQUENT_CHECK; |
3913 | } |
4358 | } |
3914 | |
4359 | |
3915 | noinline |
4360 | ecb_noinline |
3916 | void |
4361 | void |
3917 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4362 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3918 | { |
4363 | { |
3919 | clear_pending (EV_A_ (W)w); |
4364 | clear_pending (EV_A_ (W)w); |
3920 | if (expect_false (!ev_is_active (w))) |
4365 | if (ecb_expect_false (!ev_is_active (w))) |
3921 | return; |
4366 | return; |
3922 | |
4367 | |
3923 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4368 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3924 | |
4369 | |
|
|
4370 | #if EV_VERIFY >= 2 |
|
|
4371 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4372 | #endif |
3925 | EV_FREQUENT_CHECK; |
4373 | EV_FREQUENT_CHECK; |
3926 | |
4374 | |
3927 | wlist_del (&anfds[w->fd].head, (WL)w); |
4375 | wlist_del (&anfds[w->fd].head, (WL)w); |
3928 | ev_stop (EV_A_ (W)w); |
4376 | ev_stop (EV_A_ (W)w); |
3929 | |
4377 | |
3930 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4378 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3931 | |
4379 | |
3932 | EV_FREQUENT_CHECK; |
4380 | EV_FREQUENT_CHECK; |
3933 | } |
4381 | } |
3934 | |
4382 | |
3935 | noinline |
4383 | ecb_noinline |
3936 | void |
4384 | void |
3937 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4385 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3938 | { |
4386 | { |
3939 | if (expect_false (ev_is_active (w))) |
4387 | if (ecb_expect_false (ev_is_active (w))) |
3940 | return; |
4388 | return; |
3941 | |
4389 | |
3942 | ev_at (w) += mn_now; |
4390 | ev_at (w) += mn_now; |
3943 | |
4391 | |
3944 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4392 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
3955 | EV_FREQUENT_CHECK; |
4403 | EV_FREQUENT_CHECK; |
3956 | |
4404 | |
3957 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4405 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3958 | } |
4406 | } |
3959 | |
4407 | |
3960 | noinline |
4408 | ecb_noinline |
3961 | void |
4409 | void |
3962 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4410 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3963 | { |
4411 | { |
3964 | clear_pending (EV_A_ (W)w); |
4412 | clear_pending (EV_A_ (W)w); |
3965 | if (expect_false (!ev_is_active (w))) |
4413 | if (ecb_expect_false (!ev_is_active (w))) |
3966 | return; |
4414 | return; |
3967 | |
4415 | |
3968 | EV_FREQUENT_CHECK; |
4416 | EV_FREQUENT_CHECK; |
3969 | |
4417 | |
3970 | { |
4418 | { |
… | |
… | |
3972 | |
4420 | |
3973 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4421 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3974 | |
4422 | |
3975 | --timercnt; |
4423 | --timercnt; |
3976 | |
4424 | |
3977 | if (expect_true (active < timercnt + HEAP0)) |
4425 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3978 | { |
4426 | { |
3979 | timers [active] = timers [timercnt + HEAP0]; |
4427 | timers [active] = timers [timercnt + HEAP0]; |
3980 | adjustheap (timers, timercnt, active); |
4428 | adjustheap (timers, timercnt, active); |
3981 | } |
4429 | } |
3982 | } |
4430 | } |
… | |
… | |
3986 | ev_stop (EV_A_ (W)w); |
4434 | ev_stop (EV_A_ (W)w); |
3987 | |
4435 | |
3988 | EV_FREQUENT_CHECK; |
4436 | EV_FREQUENT_CHECK; |
3989 | } |
4437 | } |
3990 | |
4438 | |
3991 | noinline |
4439 | ecb_noinline |
3992 | void |
4440 | void |
3993 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4441 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3994 | { |
4442 | { |
3995 | EV_FREQUENT_CHECK; |
4443 | EV_FREQUENT_CHECK; |
3996 | |
4444 | |
… | |
… | |
4017 | } |
4465 | } |
4018 | |
4466 | |
4019 | ev_tstamp |
4467 | ev_tstamp |
4020 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4468 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
4021 | { |
4469 | { |
4022 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4470 | return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.)); |
4023 | } |
4471 | } |
4024 | |
4472 | |
4025 | #if EV_PERIODIC_ENABLE |
4473 | #if EV_PERIODIC_ENABLE |
4026 | noinline |
4474 | ecb_noinline |
4027 | void |
4475 | void |
4028 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4476 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4029 | { |
4477 | { |
4030 | if (expect_false (ev_is_active (w))) |
4478 | if (ecb_expect_false (ev_is_active (w))) |
4031 | return; |
4479 | return; |
|
|
4480 | |
|
|
4481 | #if EV_USE_TIMERFD |
|
|
4482 | if (timerfd == -2) |
|
|
4483 | evtimerfd_init (EV_A); |
|
|
4484 | #endif |
4032 | |
4485 | |
4033 | if (w->reschedule_cb) |
4486 | if (w->reschedule_cb) |
4034 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4487 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4035 | else if (w->interval) |
4488 | else if (w->interval) |
4036 | { |
4489 | { |
… | |
… | |
4052 | EV_FREQUENT_CHECK; |
4505 | EV_FREQUENT_CHECK; |
4053 | |
4506 | |
4054 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4507 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4055 | } |
4508 | } |
4056 | |
4509 | |
4057 | noinline |
4510 | ecb_noinline |
4058 | void |
4511 | void |
4059 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4512 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4060 | { |
4513 | { |
4061 | clear_pending (EV_A_ (W)w); |
4514 | clear_pending (EV_A_ (W)w); |
4062 | if (expect_false (!ev_is_active (w))) |
4515 | if (ecb_expect_false (!ev_is_active (w))) |
4063 | return; |
4516 | return; |
4064 | |
4517 | |
4065 | EV_FREQUENT_CHECK; |
4518 | EV_FREQUENT_CHECK; |
4066 | |
4519 | |
4067 | { |
4520 | { |
… | |
… | |
4069 | |
4522 | |
4070 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4523 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4071 | |
4524 | |
4072 | --periodiccnt; |
4525 | --periodiccnt; |
4073 | |
4526 | |
4074 | if (expect_true (active < periodiccnt + HEAP0)) |
4527 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4075 | { |
4528 | { |
4076 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4529 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4077 | adjustheap (periodics, periodiccnt, active); |
4530 | adjustheap (periodics, periodiccnt, active); |
4078 | } |
4531 | } |
4079 | } |
4532 | } |
… | |
… | |
4081 | ev_stop (EV_A_ (W)w); |
4534 | ev_stop (EV_A_ (W)w); |
4082 | |
4535 | |
4083 | EV_FREQUENT_CHECK; |
4536 | EV_FREQUENT_CHECK; |
4084 | } |
4537 | } |
4085 | |
4538 | |
4086 | noinline |
4539 | ecb_noinline |
4087 | void |
4540 | void |
4088 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4541 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4089 | { |
4542 | { |
4090 | /* TODO: use adjustheap and recalculation */ |
4543 | /* TODO: use adjustheap and recalculation */ |
4091 | ev_periodic_stop (EV_A_ w); |
4544 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4097 | # define SA_RESTART 0 |
4550 | # define SA_RESTART 0 |
4098 | #endif |
4551 | #endif |
4099 | |
4552 | |
4100 | #if EV_SIGNAL_ENABLE |
4553 | #if EV_SIGNAL_ENABLE |
4101 | |
4554 | |
4102 | noinline |
4555 | ecb_noinline |
4103 | void |
4556 | void |
4104 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4557 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4105 | { |
4558 | { |
4106 | if (expect_false (ev_is_active (w))) |
4559 | if (ecb_expect_false (ev_is_active (w))) |
4107 | return; |
4560 | return; |
4108 | |
4561 | |
4109 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4562 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4110 | |
4563 | |
4111 | #if EV_MULTIPLICITY |
4564 | #if EV_MULTIPLICITY |
… | |
… | |
4180 | } |
4633 | } |
4181 | |
4634 | |
4182 | EV_FREQUENT_CHECK; |
4635 | EV_FREQUENT_CHECK; |
4183 | } |
4636 | } |
4184 | |
4637 | |
4185 | noinline |
4638 | ecb_noinline |
4186 | void |
4639 | void |
4187 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4640 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4188 | { |
4641 | { |
4189 | clear_pending (EV_A_ (W)w); |
4642 | clear_pending (EV_A_ (W)w); |
4190 | if (expect_false (!ev_is_active (w))) |
4643 | if (ecb_expect_false (!ev_is_active (w))) |
4191 | return; |
4644 | return; |
4192 | |
4645 | |
4193 | EV_FREQUENT_CHECK; |
4646 | EV_FREQUENT_CHECK; |
4194 | |
4647 | |
4195 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4648 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4228 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4681 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4229 | { |
4682 | { |
4230 | #if EV_MULTIPLICITY |
4683 | #if EV_MULTIPLICITY |
4231 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4684 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4232 | #endif |
4685 | #endif |
4233 | if (expect_false (ev_is_active (w))) |
4686 | if (ecb_expect_false (ev_is_active (w))) |
4234 | return; |
4687 | return; |
4235 | |
4688 | |
4236 | EV_FREQUENT_CHECK; |
4689 | EV_FREQUENT_CHECK; |
4237 | |
4690 | |
4238 | ev_start (EV_A_ (W)w, 1); |
4691 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4243 | |
4696 | |
4244 | void |
4697 | void |
4245 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4698 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4246 | { |
4699 | { |
4247 | clear_pending (EV_A_ (W)w); |
4700 | clear_pending (EV_A_ (W)w); |
4248 | if (expect_false (!ev_is_active (w))) |
4701 | if (ecb_expect_false (!ev_is_active (w))) |
4249 | return; |
4702 | return; |
4250 | |
4703 | |
4251 | EV_FREQUENT_CHECK; |
4704 | EV_FREQUENT_CHECK; |
4252 | |
4705 | |
4253 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4706 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4267 | |
4720 | |
4268 | #define DEF_STAT_INTERVAL 5.0074891 |
4721 | #define DEF_STAT_INTERVAL 5.0074891 |
4269 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4722 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4270 | #define MIN_STAT_INTERVAL 0.1074891 |
4723 | #define MIN_STAT_INTERVAL 0.1074891 |
4271 | |
4724 | |
4272 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4725 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4273 | |
4726 | |
4274 | #if EV_USE_INOTIFY |
4727 | #if EV_USE_INOTIFY |
4275 | |
4728 | |
4276 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4729 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4277 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4730 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4278 | |
4731 | |
4279 | noinline |
4732 | ecb_noinline |
4280 | static void |
4733 | static void |
4281 | infy_add (EV_P_ ev_stat *w) |
4734 | infy_add (EV_P_ ev_stat *w) |
4282 | { |
4735 | { |
4283 | w->wd = inotify_add_watch (fs_fd, w->path, |
4736 | w->wd = inotify_add_watch (fs_fd, w->path, |
4284 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4737 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4349 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4802 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4350 | ev_timer_again (EV_A_ &w->timer); |
4803 | ev_timer_again (EV_A_ &w->timer); |
4351 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4804 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4352 | } |
4805 | } |
4353 | |
4806 | |
4354 | noinline |
4807 | ecb_noinline |
4355 | static void |
4808 | static void |
4356 | infy_del (EV_P_ ev_stat *w) |
4809 | infy_del (EV_P_ ev_stat *w) |
4357 | { |
4810 | { |
4358 | int slot; |
4811 | int slot; |
4359 | int wd = w->wd; |
4812 | int wd = w->wd; |
… | |
… | |
4367 | |
4820 | |
4368 | /* remove this watcher, if others are watching it, they will rearm */ |
4821 | /* remove this watcher, if others are watching it, they will rearm */ |
4369 | inotify_rm_watch (fs_fd, wd); |
4822 | inotify_rm_watch (fs_fd, wd); |
4370 | } |
4823 | } |
4371 | |
4824 | |
4372 | noinline |
4825 | ecb_noinline |
4373 | static void |
4826 | static void |
4374 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4827 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4375 | { |
4828 | { |
4376 | if (slot < 0) |
4829 | if (slot < 0) |
4377 | /* overflow, need to check for all hash slots */ |
4830 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4523 | w->attr.st_nlink = 0; |
4976 | w->attr.st_nlink = 0; |
4524 | else if (!w->attr.st_nlink) |
4977 | else if (!w->attr.st_nlink) |
4525 | w->attr.st_nlink = 1; |
4978 | w->attr.st_nlink = 1; |
4526 | } |
4979 | } |
4527 | |
4980 | |
4528 | noinline |
4981 | ecb_noinline |
4529 | static void |
4982 | static void |
4530 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4983 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4531 | { |
4984 | { |
4532 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4985 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4533 | |
4986 | |
… | |
… | |
4567 | } |
5020 | } |
4568 | |
5021 | |
4569 | void |
5022 | void |
4570 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
5023 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4571 | { |
5024 | { |
4572 | if (expect_false (ev_is_active (w))) |
5025 | if (ecb_expect_false (ev_is_active (w))) |
4573 | return; |
5026 | return; |
4574 | |
5027 | |
4575 | ev_stat_stat (EV_A_ w); |
5028 | ev_stat_stat (EV_A_ w); |
4576 | |
5029 | |
4577 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
5030 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4599 | |
5052 | |
4600 | void |
5053 | void |
4601 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
5054 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4602 | { |
5055 | { |
4603 | clear_pending (EV_A_ (W)w); |
5056 | clear_pending (EV_A_ (W)w); |
4604 | if (expect_false (!ev_is_active (w))) |
5057 | if (ecb_expect_false (!ev_is_active (w))) |
4605 | return; |
5058 | return; |
4606 | |
5059 | |
4607 | EV_FREQUENT_CHECK; |
5060 | EV_FREQUENT_CHECK; |
4608 | |
5061 | |
4609 | #if EV_USE_INOTIFY |
5062 | #if EV_USE_INOTIFY |
… | |
… | |
4624 | |
5077 | |
4625 | #if EV_IDLE_ENABLE |
5078 | #if EV_IDLE_ENABLE |
4626 | void |
5079 | void |
4627 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
5080 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4628 | { |
5081 | { |
4629 | if (expect_false (ev_is_active (w))) |
5082 | if (ecb_expect_false (ev_is_active (w))) |
4630 | return; |
5083 | return; |
4631 | |
5084 | |
4632 | pri_adjust (EV_A_ (W)w); |
5085 | pri_adjust (EV_A_ (W)w); |
4633 | |
5086 | |
4634 | EV_FREQUENT_CHECK; |
5087 | EV_FREQUENT_CHECK; |
… | |
… | |
4648 | |
5101 | |
4649 | void |
5102 | void |
4650 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
5103 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4651 | { |
5104 | { |
4652 | clear_pending (EV_A_ (W)w); |
5105 | clear_pending (EV_A_ (W)w); |
4653 | if (expect_false (!ev_is_active (w))) |
5106 | if (ecb_expect_false (!ev_is_active (w))) |
4654 | return; |
5107 | return; |
4655 | |
5108 | |
4656 | EV_FREQUENT_CHECK; |
5109 | EV_FREQUENT_CHECK; |
4657 | |
5110 | |
4658 | { |
5111 | { |
… | |
… | |
4671 | |
5124 | |
4672 | #if EV_PREPARE_ENABLE |
5125 | #if EV_PREPARE_ENABLE |
4673 | void |
5126 | void |
4674 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5127 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4675 | { |
5128 | { |
4676 | if (expect_false (ev_is_active (w))) |
5129 | if (ecb_expect_false (ev_is_active (w))) |
4677 | return; |
5130 | return; |
4678 | |
5131 | |
4679 | EV_FREQUENT_CHECK; |
5132 | EV_FREQUENT_CHECK; |
4680 | |
5133 | |
4681 | ev_start (EV_A_ (W)w, ++preparecnt); |
5134 | ev_start (EV_A_ (W)w, ++preparecnt); |
… | |
… | |
4687 | |
5140 | |
4688 | void |
5141 | void |
4689 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
5142 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4690 | { |
5143 | { |
4691 | clear_pending (EV_A_ (W)w); |
5144 | clear_pending (EV_A_ (W)w); |
4692 | if (expect_false (!ev_is_active (w))) |
5145 | if (ecb_expect_false (!ev_is_active (w))) |
4693 | return; |
5146 | return; |
4694 | |
5147 | |
4695 | EV_FREQUENT_CHECK; |
5148 | EV_FREQUENT_CHECK; |
4696 | |
5149 | |
4697 | { |
5150 | { |
… | |
… | |
4709 | |
5162 | |
4710 | #if EV_CHECK_ENABLE |
5163 | #if EV_CHECK_ENABLE |
4711 | void |
5164 | void |
4712 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
5165 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4713 | { |
5166 | { |
4714 | if (expect_false (ev_is_active (w))) |
5167 | if (ecb_expect_false (ev_is_active (w))) |
4715 | return; |
5168 | return; |
4716 | |
5169 | |
4717 | EV_FREQUENT_CHECK; |
5170 | EV_FREQUENT_CHECK; |
4718 | |
5171 | |
4719 | ev_start (EV_A_ (W)w, ++checkcnt); |
5172 | ev_start (EV_A_ (W)w, ++checkcnt); |
… | |
… | |
4725 | |
5178 | |
4726 | void |
5179 | void |
4727 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
5180 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4728 | { |
5181 | { |
4729 | clear_pending (EV_A_ (W)w); |
5182 | clear_pending (EV_A_ (W)w); |
4730 | if (expect_false (!ev_is_active (w))) |
5183 | if (ecb_expect_false (!ev_is_active (w))) |
4731 | return; |
5184 | return; |
4732 | |
5185 | |
4733 | EV_FREQUENT_CHECK; |
5186 | EV_FREQUENT_CHECK; |
4734 | |
5187 | |
4735 | { |
5188 | { |
… | |
… | |
4744 | EV_FREQUENT_CHECK; |
5197 | EV_FREQUENT_CHECK; |
4745 | } |
5198 | } |
4746 | #endif |
5199 | #endif |
4747 | |
5200 | |
4748 | #if EV_EMBED_ENABLE |
5201 | #if EV_EMBED_ENABLE |
4749 | noinline |
5202 | ecb_noinline |
4750 | void |
5203 | void |
4751 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
5204 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4752 | { |
5205 | { |
4753 | ev_run (w->other, EVRUN_NOWAIT); |
5206 | ev_run (w->other, EVRUN_NOWAIT); |
4754 | } |
5207 | } |
… | |
… | |
4778 | ev_run (EV_A_ EVRUN_NOWAIT); |
5231 | ev_run (EV_A_ EVRUN_NOWAIT); |
4779 | } |
5232 | } |
4780 | } |
5233 | } |
4781 | } |
5234 | } |
4782 | |
5235 | |
|
|
5236 | #if EV_FORK_ENABLE |
4783 | static void |
5237 | static void |
4784 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
5238 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
4785 | { |
5239 | { |
4786 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
5240 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
4787 | |
5241 | |
… | |
… | |
4794 | ev_run (EV_A_ EVRUN_NOWAIT); |
5248 | ev_run (EV_A_ EVRUN_NOWAIT); |
4795 | } |
5249 | } |
4796 | |
5250 | |
4797 | ev_embed_start (EV_A_ w); |
5251 | ev_embed_start (EV_A_ w); |
4798 | } |
5252 | } |
|
|
5253 | #endif |
4799 | |
5254 | |
4800 | #if 0 |
5255 | #if 0 |
4801 | static void |
5256 | static void |
4802 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
5257 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
4803 | { |
5258 | { |
… | |
… | |
4806 | #endif |
5261 | #endif |
4807 | |
5262 | |
4808 | void |
5263 | void |
4809 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
5264 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4810 | { |
5265 | { |
4811 | if (expect_false (ev_is_active (w))) |
5266 | if (ecb_expect_false (ev_is_active (w))) |
4812 | return; |
5267 | return; |
4813 | |
5268 | |
4814 | { |
5269 | { |
4815 | EV_P = w->other; |
5270 | EV_P = w->other; |
4816 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
5271 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4824 | |
5279 | |
4825 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
5280 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
4826 | ev_set_priority (&w->prepare, EV_MINPRI); |
5281 | ev_set_priority (&w->prepare, EV_MINPRI); |
4827 | ev_prepare_start (EV_A_ &w->prepare); |
5282 | ev_prepare_start (EV_A_ &w->prepare); |
4828 | |
5283 | |
|
|
5284 | #if EV_FORK_ENABLE |
4829 | ev_fork_init (&w->fork, embed_fork_cb); |
5285 | ev_fork_init (&w->fork, embed_fork_cb); |
4830 | ev_fork_start (EV_A_ &w->fork); |
5286 | ev_fork_start (EV_A_ &w->fork); |
|
|
5287 | #endif |
4831 | |
5288 | |
4832 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
5289 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
4833 | |
5290 | |
4834 | ev_start (EV_A_ (W)w, 1); |
5291 | ev_start (EV_A_ (W)w, 1); |
4835 | |
5292 | |
… | |
… | |
4838 | |
5295 | |
4839 | void |
5296 | void |
4840 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
5297 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4841 | { |
5298 | { |
4842 | clear_pending (EV_A_ (W)w); |
5299 | clear_pending (EV_A_ (W)w); |
4843 | if (expect_false (!ev_is_active (w))) |
5300 | if (ecb_expect_false (!ev_is_active (w))) |
4844 | return; |
5301 | return; |
4845 | |
5302 | |
4846 | EV_FREQUENT_CHECK; |
5303 | EV_FREQUENT_CHECK; |
4847 | |
5304 | |
4848 | ev_io_stop (EV_A_ &w->io); |
5305 | ev_io_stop (EV_A_ &w->io); |
4849 | ev_prepare_stop (EV_A_ &w->prepare); |
5306 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
5307 | #if EV_FORK_ENABLE |
4850 | ev_fork_stop (EV_A_ &w->fork); |
5308 | ev_fork_stop (EV_A_ &w->fork); |
|
|
5309 | #endif |
4851 | |
5310 | |
4852 | ev_stop (EV_A_ (W)w); |
5311 | ev_stop (EV_A_ (W)w); |
4853 | |
5312 | |
4854 | EV_FREQUENT_CHECK; |
5313 | EV_FREQUENT_CHECK; |
4855 | } |
5314 | } |
… | |
… | |
4857 | |
5316 | |
4858 | #if EV_FORK_ENABLE |
5317 | #if EV_FORK_ENABLE |
4859 | void |
5318 | void |
4860 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5319 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4861 | { |
5320 | { |
4862 | if (expect_false (ev_is_active (w))) |
5321 | if (ecb_expect_false (ev_is_active (w))) |
4863 | return; |
5322 | return; |
4864 | |
5323 | |
4865 | EV_FREQUENT_CHECK; |
5324 | EV_FREQUENT_CHECK; |
4866 | |
5325 | |
4867 | ev_start (EV_A_ (W)w, ++forkcnt); |
5326 | ev_start (EV_A_ (W)w, ++forkcnt); |
… | |
… | |
4873 | |
5332 | |
4874 | void |
5333 | void |
4875 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5334 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4876 | { |
5335 | { |
4877 | clear_pending (EV_A_ (W)w); |
5336 | clear_pending (EV_A_ (W)w); |
4878 | if (expect_false (!ev_is_active (w))) |
5337 | if (ecb_expect_false (!ev_is_active (w))) |
4879 | return; |
5338 | return; |
4880 | |
5339 | |
4881 | EV_FREQUENT_CHECK; |
5340 | EV_FREQUENT_CHECK; |
4882 | |
5341 | |
4883 | { |
5342 | { |
… | |
… | |
4895 | |
5354 | |
4896 | #if EV_CLEANUP_ENABLE |
5355 | #if EV_CLEANUP_ENABLE |
4897 | void |
5356 | void |
4898 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5357 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4899 | { |
5358 | { |
4900 | if (expect_false (ev_is_active (w))) |
5359 | if (ecb_expect_false (ev_is_active (w))) |
4901 | return; |
5360 | return; |
4902 | |
5361 | |
4903 | EV_FREQUENT_CHECK; |
5362 | EV_FREQUENT_CHECK; |
4904 | |
5363 | |
4905 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5364 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
… | |
… | |
4913 | |
5372 | |
4914 | void |
5373 | void |
4915 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5374 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4916 | { |
5375 | { |
4917 | clear_pending (EV_A_ (W)w); |
5376 | clear_pending (EV_A_ (W)w); |
4918 | if (expect_false (!ev_is_active (w))) |
5377 | if (ecb_expect_false (!ev_is_active (w))) |
4919 | return; |
5378 | return; |
4920 | |
5379 | |
4921 | EV_FREQUENT_CHECK; |
5380 | EV_FREQUENT_CHECK; |
4922 | ev_ref (EV_A); |
5381 | ev_ref (EV_A); |
4923 | |
5382 | |
… | |
… | |
4936 | |
5395 | |
4937 | #if EV_ASYNC_ENABLE |
5396 | #if EV_ASYNC_ENABLE |
4938 | void |
5397 | void |
4939 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5398 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4940 | { |
5399 | { |
4941 | if (expect_false (ev_is_active (w))) |
5400 | if (ecb_expect_false (ev_is_active (w))) |
4942 | return; |
5401 | return; |
4943 | |
5402 | |
4944 | w->sent = 0; |
5403 | w->sent = 0; |
4945 | |
5404 | |
4946 | evpipe_init (EV_A); |
5405 | evpipe_init (EV_A); |
… | |
… | |
4956 | |
5415 | |
4957 | void |
5416 | void |
4958 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5417 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4959 | { |
5418 | { |
4960 | clear_pending (EV_A_ (W)w); |
5419 | clear_pending (EV_A_ (W)w); |
4961 | if (expect_false (!ev_is_active (w))) |
5420 | if (ecb_expect_false (!ev_is_active (w))) |
4962 | return; |
5421 | return; |
4963 | |
5422 | |
4964 | EV_FREQUENT_CHECK; |
5423 | EV_FREQUENT_CHECK; |
4965 | |
5424 | |
4966 | { |
5425 | { |