1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
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 | |
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|
120 | # if HAVE_LINUX_AIO_ABI_H |
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|
121 | # ifndef EV_USE_LINUXAIO |
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|
122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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|
123 | # endif |
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124 | # else |
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125 | # undef EV_USE_LINUXAIO |
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|
126 | # define EV_USE_LINUXAIO 0 |
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|
127 | # endif |
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128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
132 | # endif |
124 | # else |
133 | # else |
… | |
… | |
315 | |
324 | |
316 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
318 | #endif |
327 | #endif |
319 | |
328 | |
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|
329 | #ifndef EV_USE_LINUXAIO |
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330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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331 | # define EV_USE_LINUXAIO 1 |
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332 | # else |
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333 | # define EV_USE_LINUXAIO 0 |
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334 | # endif |
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335 | #endif |
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336 | |
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337 | #ifndef EV_USE_IOURING |
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338 | # if __linux |
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339 | # define EV_USE_IOURING 0 |
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340 | # else |
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341 | # define EV_USE_IOURING 0 |
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342 | # endif |
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|
343 | #endif |
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344 | |
320 | #ifndef EV_USE_INOTIFY |
345 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
346 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
347 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
348 | # else |
324 | # define EV_USE_INOTIFY 0 |
349 | # define EV_USE_INOTIFY 0 |
… | |
… | |
389 | # include <sys/syscall.h> |
414 | # include <sys/syscall.h> |
390 | # ifdef SYS_clock_gettime |
415 | # ifdef SYS_clock_gettime |
391 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
416 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
392 | # undef EV_USE_MONOTONIC |
417 | # undef EV_USE_MONOTONIC |
393 | # define EV_USE_MONOTONIC 1 |
418 | # define EV_USE_MONOTONIC 1 |
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|
419 | # define EV_NEED_SYSCALL 1 |
394 | # else |
420 | # else |
395 | # undef EV_USE_CLOCK_SYSCALL |
421 | # undef EV_USE_CLOCK_SYSCALL |
396 | # define EV_USE_CLOCK_SYSCALL 0 |
422 | # define EV_USE_CLOCK_SYSCALL 0 |
397 | # endif |
423 | # endif |
398 | #endif |
424 | #endif |
… | |
… | |
416 | |
442 | |
417 | #if !EV_USE_NANOSLEEP |
443 | #if !EV_USE_NANOSLEEP |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
444 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
419 | # if !defined _WIN32 && !defined __hpux |
445 | # if !defined _WIN32 && !defined __hpux |
420 | # include <sys/select.h> |
446 | # include <sys/select.h> |
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447 | # endif |
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448 | #endif |
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449 | |
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450 | #if EV_USE_LINUXAIO |
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451 | # include <sys/syscall.h> |
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452 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
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453 | # define EV_NEED_SYSCALL 1 |
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454 | # else |
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455 | # undef EV_USE_LINUXAIO |
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456 | # define EV_USE_LINUXAIO 0 |
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457 | # endif |
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458 | #endif |
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459 | |
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460 | #if EV_USE_IOURING |
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461 | # include <sys/syscall.h> |
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462 | # if !SYS_io_uring_setup && __linux && !__alpha |
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|
463 | # define SYS_io_uring_setup 425 |
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464 | # define SYS_io_uring_enter 426 |
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465 | # define SYS_io_uring_wregister 427 |
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466 | # endif |
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467 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
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468 | # define EV_NEED_SYSCALL 1 |
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469 | # else |
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470 | # undef EV_USE_IOURING |
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471 | # define EV_USE_IOURING 0 |
421 | # endif |
472 | # endif |
422 | #endif |
473 | #endif |
423 | |
474 | |
424 | #if EV_USE_INOTIFY |
475 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
476 | # include <sys/statfs.h> |
… | |
… | |
467 | uint32_t ssi_signo; |
518 | uint32_t ssi_signo; |
468 | char pad[128 - sizeof (uint32_t)]; |
519 | char pad[128 - sizeof (uint32_t)]; |
469 | }; |
520 | }; |
470 | #endif |
521 | #endif |
471 | |
522 | |
472 | /**/ |
523 | /*****************************************************************************/ |
473 | |
524 | |
474 | #if EV_VERIFY >= 3 |
525 | #if EV_VERIFY >= 3 |
475 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
526 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
476 | #else |
527 | #else |
477 | # define EV_FREQUENT_CHECK do { } while (0) |
528 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
482 | * This value is good at least till the year 4000. |
533 | * This value is good at least till the year 4000. |
483 | */ |
534 | */ |
484 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
535 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
485 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
536 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
486 | |
537 | |
487 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
538 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
488 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
539 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
489 | |
540 | |
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|
541 | /* find a portable timestamp that is "always" in the future but fits into time_t. |
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542 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
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543 | * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */ |
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544 | #define EV_TSTAMP_HUGE \ |
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545 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
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546 | : 0 < (time_t)4294967295 ? 4294967295. \ |
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547 | : 2147483647.) \ |
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548 | |
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|
549 | #define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999 |
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|
550 | #define EV_TS_FROM_USEC(us) us * 1e-6 |
490 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
551 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
491 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
552 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
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|
553 | #define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6) |
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|
554 | #define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9) |
492 | |
555 | |
493 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
556 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
494 | /* ECB.H BEGIN */ |
557 | /* ECB.H BEGIN */ |
495 | /* |
558 | /* |
496 | * libecb - http://software.schmorp.de/pkg/libecb |
559 | * libecb - http://software.schmorp.de/pkg/libecb |
… | |
… | |
534 | |
597 | |
535 | #ifndef ECB_H |
598 | #ifndef ECB_H |
536 | #define ECB_H |
599 | #define ECB_H |
537 | |
600 | |
538 | /* 16 bits major, 16 bits minor */ |
601 | /* 16 bits major, 16 bits minor */ |
539 | #define ECB_VERSION 0x00010005 |
602 | #define ECB_VERSION 0x00010006 |
540 | |
603 | |
541 | #ifdef _WIN32 |
604 | #ifdef _WIN32 |
542 | typedef signed char int8_t; |
605 | typedef signed char int8_t; |
543 | typedef unsigned char uint8_t; |
606 | typedef unsigned char uint8_t; |
544 | typedef signed short int16_t; |
607 | typedef signed short int16_t; |
… | |
… | |
609 | #define ECB_CLANG_EXTENSION(x) 0 |
672 | #define ECB_CLANG_EXTENSION(x) 0 |
610 | #endif |
673 | #endif |
611 | |
674 | |
612 | #define ECB_CPP (__cplusplus+0) |
675 | #define ECB_CPP (__cplusplus+0) |
613 | #define ECB_CPP11 (__cplusplus >= 201103L) |
676 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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|
677 | #define ECB_CPP14 (__cplusplus >= 201402L) |
|
|
678 | #define ECB_CPP17 (__cplusplus >= 201703L) |
614 | |
679 | |
615 | #if ECB_CPP |
680 | #if ECB_CPP |
616 | #define ECB_C 0 |
681 | #define ECB_C 0 |
617 | #define ECB_STDC_VERSION 0 |
682 | #define ECB_STDC_VERSION 0 |
618 | #else |
683 | #else |
… | |
… | |
620 | #define ECB_STDC_VERSION __STDC_VERSION__ |
685 | #define ECB_STDC_VERSION __STDC_VERSION__ |
621 | #endif |
686 | #endif |
622 | |
687 | |
623 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
688 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
624 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
689 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
|
|
690 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
625 | |
691 | |
626 | #if ECB_CPP |
692 | #if ECB_CPP |
627 | #define ECB_EXTERN_C extern "C" |
693 | #define ECB_EXTERN_C extern "C" |
628 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
694 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
629 | #define ECB_EXTERN_C_END } |
695 | #define ECB_EXTERN_C_END } |
… | |
… | |
655 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
721 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
656 | #endif |
722 | #endif |
657 | |
723 | |
658 | #ifndef ECB_MEMORY_FENCE |
724 | #ifndef ECB_MEMORY_FENCE |
659 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
725 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
726 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
660 | #if __i386 || __i386__ |
727 | #if __i386 || __i386__ |
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
728 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
662 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
729 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
663 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
730 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
664 | #elif ECB_GCC_AMD64 |
731 | #elif ECB_GCC_AMD64 |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
732 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
733 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
734 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
735 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
736 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
670 | #elif defined __ARM_ARCH_2__ \ |
737 | #elif defined __ARM_ARCH_2__ \ |
671 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
738 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
672 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
739 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
… | |
… | |
714 | #if ECB_GCC_VERSION(4,7) |
781 | #if ECB_GCC_VERSION(4,7) |
715 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
782 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
716 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
783 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
717 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
784 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
718 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
785 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
786 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
719 | |
787 | |
720 | #elif ECB_CLANG_EXTENSION(c_atomic) |
788 | #elif ECB_CLANG_EXTENSION(c_atomic) |
721 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
789 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
722 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
790 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
723 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
791 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
724 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
792 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
793 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
725 | |
794 | |
726 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
795 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
727 | #define ECB_MEMORY_FENCE __sync_synchronize () |
796 | #define ECB_MEMORY_FENCE __sync_synchronize () |
728 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
797 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
729 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
798 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
739 | #elif defined _WIN32 |
808 | #elif defined _WIN32 |
740 | #include <WinNT.h> |
809 | #include <WinNT.h> |
741 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
810 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
742 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
811 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
743 | #include <mbarrier.h> |
812 | #include <mbarrier.h> |
744 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
813 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
745 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
814 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
746 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
815 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
816 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
747 | #elif __xlC__ |
817 | #elif __xlC__ |
748 | #define ECB_MEMORY_FENCE __sync () |
818 | #define ECB_MEMORY_FENCE __sync () |
749 | #endif |
819 | #endif |
750 | #endif |
820 | #endif |
751 | |
821 | |
752 | #ifndef ECB_MEMORY_FENCE |
822 | #ifndef ECB_MEMORY_FENCE |
753 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
823 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
754 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
824 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
755 | /* not just C11 atomics and atomic accesses */ |
825 | /* not just C11 atomics and atomic accesses */ |
756 | #include <stdatomic.h> |
826 | #include <stdatomic.h> |
757 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
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|
758 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
759 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
760 | /* for most usages, or gcc and clang have a bug */ |
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|
761 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
762 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
763 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
764 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
765 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
827 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
828 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
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|
829 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
766 | #endif |
830 | #endif |
767 | #endif |
831 | #endif |
768 | |
832 | |
769 | #ifndef ECB_MEMORY_FENCE |
833 | #ifndef ECB_MEMORY_FENCE |
770 | #if !ECB_AVOID_PTHREADS |
834 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
788 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
852 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
789 | #endif |
853 | #endif |
790 | |
854 | |
791 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
855 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
792 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
856 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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|
857 | #endif |
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|
858 | |
|
|
859 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
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|
860 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
793 | #endif |
861 | #endif |
794 | |
862 | |
795 | /*****************************************************************************/ |
863 | /*****************************************************************************/ |
796 | |
864 | |
797 | #if ECB_CPP |
865 | #if ECB_CPP |
… | |
… | |
1506 | /* ECB.H END */ |
1574 | /* ECB.H END */ |
1507 | |
1575 | |
1508 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1576 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1509 | /* if your architecture doesn't need memory fences, e.g. because it is |
1577 | /* if your architecture doesn't need memory fences, e.g. because it is |
1510 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1578 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1511 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1579 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1512 | * libev, in which cases the memory fences become nops. |
1580 | * libev, in which cases the memory fences become nops. |
1513 | * alternatively, you can remove this #error and link against libpthread, |
1581 | * alternatively, you can remove this #error and link against libpthread, |
1514 | * which will then provide the memory fences. |
1582 | * which will then provide the memory fences. |
1515 | */ |
1583 | */ |
1516 | # error "memory fences not defined for your architecture, please report" |
1584 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1520 | # define ECB_MEMORY_FENCE do { } while (0) |
1588 | # define ECB_MEMORY_FENCE do { } while (0) |
1521 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1589 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1522 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1590 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1523 | #endif |
1591 | #endif |
1524 | |
1592 | |
1525 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1526 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1527 | #define noinline ecb_noinline |
|
|
1528 | |
|
|
1529 | #define inline_size ecb_inline |
1593 | #define inline_size ecb_inline |
1530 | |
1594 | |
1531 | #if EV_FEATURE_CODE |
1595 | #if EV_FEATURE_CODE |
1532 | # define inline_speed ecb_inline |
1596 | # define inline_speed ecb_inline |
1533 | #else |
1597 | #else |
1534 | # define inline_speed noinline static |
1598 | # define inline_speed ecb_noinline static |
1535 | #endif |
1599 | #endif |
|
|
1600 | |
|
|
1601 | /*****************************************************************************/ |
|
|
1602 | /* raw syscall wrappers */ |
|
|
1603 | |
|
|
1604 | #if EV_NEED_SYSCALL |
|
|
1605 | |
|
|
1606 | #include <sys/syscall.h> |
|
|
1607 | |
|
|
1608 | /* |
|
|
1609 | * define some syscall wrappers for common architectures |
|
|
1610 | * this is mostly for nice looks during debugging, not performance. |
|
|
1611 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1612 | * enough for linux aio. |
|
|
1613 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1614 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1615 | */ |
|
|
1616 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1617 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1618 | |
|
|
1619 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1620 | ({ \ |
|
|
1621 | long res; \ |
|
|
1622 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1623 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1624 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1625 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1626 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1627 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1628 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1629 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1630 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1631 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1632 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1633 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1634 | __asm__ __volatile__ ( \ |
|
|
1635 | "syscall\n\t" \ |
|
|
1636 | : "=a" (res) \ |
|
|
1637 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1638 | : "cc", "r11", "cx", "memory"); \ |
|
|
1639 | errno = -res; \ |
|
|
1640 | res; \ |
|
|
1641 | }) |
|
|
1642 | |
|
|
1643 | #endif |
|
|
1644 | |
|
|
1645 | #ifdef ev_syscall |
|
|
1646 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1647 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1648 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1649 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1650 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1651 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1652 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1653 | #else |
|
|
1654 | #define ev_syscall0(nr) syscall (nr) |
|
|
1655 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1656 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1657 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1658 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1659 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1660 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1661 | #endif |
|
|
1662 | |
|
|
1663 | #endif |
|
|
1664 | |
|
|
1665 | /*****************************************************************************/ |
1536 | |
1666 | |
1537 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1667 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1538 | |
1668 | |
1539 | #if EV_MINPRI == EV_MAXPRI |
1669 | #if EV_MINPRI == EV_MAXPRI |
1540 | # define ABSPRI(w) (((W)w), 0) |
1670 | # define ABSPRI(w) (((W)w), 0) |
1541 | #else |
1671 | #else |
1542 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1672 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1543 | #endif |
1673 | #endif |
1544 | |
1674 | |
1545 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1675 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1546 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1547 | |
1676 | |
1548 | typedef ev_watcher *W; |
1677 | typedef ev_watcher *W; |
1549 | typedef ev_watcher_list *WL; |
1678 | typedef ev_watcher_list *WL; |
1550 | typedef ev_watcher_time *WT; |
1679 | typedef ev_watcher_time *WT; |
1551 | |
1680 | |
… | |
… | |
1576 | # include "ev_win32.c" |
1705 | # include "ev_win32.c" |
1577 | #endif |
1706 | #endif |
1578 | |
1707 | |
1579 | /*****************************************************************************/ |
1708 | /*****************************************************************************/ |
1580 | |
1709 | |
|
|
1710 | #if EV_USE_LINUXAIO |
|
|
1711 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1712 | #endif |
|
|
1713 | |
1581 | /* define a suitable floor function (only used by periodics atm) */ |
1714 | /* define a suitable floor function (only used by periodics atm) */ |
1582 | |
1715 | |
1583 | #if EV_USE_FLOOR |
1716 | #if EV_USE_FLOOR |
1584 | # include <math.h> |
1717 | # include <math.h> |
1585 | # define ev_floor(v) floor (v) |
1718 | # define ev_floor(v) floor (v) |
1586 | #else |
1719 | #else |
1587 | |
1720 | |
1588 | #include <float.h> |
1721 | #include <float.h> |
1589 | |
1722 | |
1590 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1723 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1591 | noinline |
1724 | ecb_noinline |
1592 | static ev_tstamp |
1725 | static ev_tstamp |
1593 | ev_floor (ev_tstamp v) |
1726 | ev_floor (ev_tstamp v) |
1594 | { |
1727 | { |
1595 | /* the choice of shift factor is not terribly important */ |
1728 | /* the choice of shift factor is not terribly important */ |
1596 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1729 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1730 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1598 | #else |
1731 | #else |
1599 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1732 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1600 | #endif |
1733 | #endif |
1601 | |
1734 | |
|
|
1735 | /* special treatment for negative arguments */ |
|
|
1736 | if (ecb_expect_false (v < 0.)) |
|
|
1737 | { |
|
|
1738 | ev_tstamp f = -ev_floor (-v); |
|
|
1739 | |
|
|
1740 | return f - (f == v ? 0 : 1); |
|
|
1741 | } |
|
|
1742 | |
1602 | /* argument too large for an unsigned long? */ |
1743 | /* argument too large for an unsigned long? then reduce it */ |
1603 | if (expect_false (v >= shift)) |
1744 | if (ecb_expect_false (v >= shift)) |
1604 | { |
1745 | { |
1605 | ev_tstamp f; |
1746 | ev_tstamp f; |
1606 | |
1747 | |
1607 | if (v == v - 1.) |
1748 | if (v == v - 1.) |
1608 | return v; /* very large number */ |
1749 | return v; /* very large numbers are assumed to be integer */ |
1609 | |
1750 | |
1610 | f = shift * ev_floor (v * (1. / shift)); |
1751 | f = shift * ev_floor (v * (1. / shift)); |
1611 | return f + ev_floor (v - f); |
1752 | return f + ev_floor (v - f); |
1612 | } |
1753 | } |
1613 | |
1754 | |
1614 | /* special treatment for negative args? */ |
|
|
1615 | if (expect_false (v < 0.)) |
|
|
1616 | { |
|
|
1617 | ev_tstamp f = -ev_floor (-v); |
|
|
1618 | |
|
|
1619 | return f - (f == v ? 0 : 1); |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | /* fits into an unsigned long */ |
1755 | /* fits into an unsigned long */ |
1623 | return (unsigned long)v; |
1756 | return (unsigned long)v; |
1624 | } |
1757 | } |
1625 | |
1758 | |
1626 | #endif |
1759 | #endif |
… | |
… | |
1629 | |
1762 | |
1630 | #ifdef __linux |
1763 | #ifdef __linux |
1631 | # include <sys/utsname.h> |
1764 | # include <sys/utsname.h> |
1632 | #endif |
1765 | #endif |
1633 | |
1766 | |
1634 | noinline ecb_cold |
1767 | ecb_noinline ecb_cold |
1635 | static unsigned int |
1768 | static unsigned int |
1636 | ev_linux_version (void) |
1769 | ev_linux_version (void) |
1637 | { |
1770 | { |
1638 | #ifdef __linux |
1771 | #ifdef __linux |
1639 | unsigned int v = 0; |
1772 | unsigned int v = 0; |
… | |
… | |
1669 | } |
1802 | } |
1670 | |
1803 | |
1671 | /*****************************************************************************/ |
1804 | /*****************************************************************************/ |
1672 | |
1805 | |
1673 | #if EV_AVOID_STDIO |
1806 | #if EV_AVOID_STDIO |
1674 | noinline ecb_cold |
1807 | ecb_noinline ecb_cold |
1675 | static void |
1808 | static void |
1676 | ev_printerr (const char *msg) |
1809 | ev_printerr (const char *msg) |
1677 | { |
1810 | { |
1678 | write (STDERR_FILENO, msg, strlen (msg)); |
1811 | write (STDERR_FILENO, msg, strlen (msg)); |
1679 | } |
1812 | } |
1680 | #endif |
1813 | #endif |
1681 | |
1814 | |
1682 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1815 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1683 | |
1816 | |
1684 | ecb_cold |
1817 | ecb_cold |
1685 | void |
1818 | void |
1686 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1819 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1687 | { |
1820 | { |
1688 | syserr_cb = cb; |
1821 | syserr_cb = cb; |
1689 | } |
1822 | } |
1690 | |
1823 | |
1691 | noinline ecb_cold |
1824 | ecb_noinline ecb_cold |
1692 | static void |
1825 | static void |
1693 | ev_syserr (const char *msg) |
1826 | ev_syserr (const char *msg) |
1694 | { |
1827 | { |
1695 | if (!msg) |
1828 | if (!msg) |
1696 | msg = "(libev) system error"; |
1829 | msg = "(libev) system error"; |
… | |
… | |
1710 | abort (); |
1843 | abort (); |
1711 | } |
1844 | } |
1712 | } |
1845 | } |
1713 | |
1846 | |
1714 | static void * |
1847 | static void * |
1715 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1848 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1716 | { |
1849 | { |
1717 | /* some systems, notably openbsd and darwin, fail to properly |
1850 | /* some systems, notably openbsd and darwin, fail to properly |
1718 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1851 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1719 | * the single unix specification, so work around them here. |
1852 | * the single unix specification, so work around them here. |
1720 | * recently, also (at least) fedora and debian started breaking it, |
1853 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1726 | |
1859 | |
1727 | free (ptr); |
1860 | free (ptr); |
1728 | return 0; |
1861 | return 0; |
1729 | } |
1862 | } |
1730 | |
1863 | |
1731 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1864 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1732 | |
1865 | |
1733 | ecb_cold |
1866 | ecb_cold |
1734 | void |
1867 | void |
1735 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1868 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1736 | { |
1869 | { |
1737 | alloc = cb; |
1870 | alloc = cb; |
1738 | } |
1871 | } |
1739 | |
1872 | |
1740 | inline_speed void * |
1873 | inline_speed void * |
… | |
… | |
1767 | typedef struct |
1900 | typedef struct |
1768 | { |
1901 | { |
1769 | WL head; |
1902 | WL head; |
1770 | unsigned char events; /* the events watched for */ |
1903 | unsigned char events; /* the events watched for */ |
1771 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1904 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1772 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1905 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1773 | unsigned char unused; |
1906 | unsigned char eflags; /* flags field for use by backends */ |
1774 | #if EV_USE_EPOLL |
1907 | #if EV_USE_EPOLL |
1775 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1908 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1776 | #endif |
1909 | #endif |
1777 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1910 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1778 | SOCKET handle; |
1911 | SOCKET handle; |
… | |
… | |
1842 | static int ev_default_loop_ptr; |
1975 | static int ev_default_loop_ptr; |
1843 | |
1976 | |
1844 | #endif |
1977 | #endif |
1845 | |
1978 | |
1846 | #if EV_FEATURE_API |
1979 | #if EV_FEATURE_API |
1847 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1980 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1848 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1981 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1849 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1982 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1850 | #else |
1983 | #else |
1851 | # define EV_RELEASE_CB (void)0 |
1984 | # define EV_RELEASE_CB (void)0 |
1852 | # define EV_ACQUIRE_CB (void)0 |
1985 | # define EV_ACQUIRE_CB (void)0 |
1853 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1986 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1857 | |
1990 | |
1858 | /*****************************************************************************/ |
1991 | /*****************************************************************************/ |
1859 | |
1992 | |
1860 | #ifndef EV_HAVE_EV_TIME |
1993 | #ifndef EV_HAVE_EV_TIME |
1861 | ev_tstamp |
1994 | ev_tstamp |
1862 | ev_time (void) EV_THROW |
1995 | ev_time (void) EV_NOEXCEPT |
1863 | { |
1996 | { |
1864 | #if EV_USE_REALTIME |
1997 | #if EV_USE_REALTIME |
1865 | if (expect_true (have_realtime)) |
1998 | if (ecb_expect_true (have_realtime)) |
1866 | { |
1999 | { |
1867 | struct timespec ts; |
2000 | struct timespec ts; |
1868 | clock_gettime (CLOCK_REALTIME, &ts); |
2001 | clock_gettime (CLOCK_REALTIME, &ts); |
1869 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2002 | return EV_TS_GET (ts); |
1870 | } |
2003 | } |
1871 | #endif |
2004 | #endif |
1872 | |
2005 | |
1873 | struct timeval tv; |
2006 | struct timeval tv; |
1874 | gettimeofday (&tv, 0); |
2007 | gettimeofday (&tv, 0); |
1875 | return tv.tv_sec + tv.tv_usec * 1e-6; |
2008 | return EV_TV_GET (tv); |
1876 | } |
2009 | } |
1877 | #endif |
2010 | #endif |
1878 | |
2011 | |
1879 | inline_size ev_tstamp |
2012 | inline_size ev_tstamp |
1880 | get_clock (void) |
2013 | get_clock (void) |
1881 | { |
2014 | { |
1882 | #if EV_USE_MONOTONIC |
2015 | #if EV_USE_MONOTONIC |
1883 | if (expect_true (have_monotonic)) |
2016 | if (ecb_expect_true (have_monotonic)) |
1884 | { |
2017 | { |
1885 | struct timespec ts; |
2018 | struct timespec ts; |
1886 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2019 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1887 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2020 | return EV_TS_GET (ts); |
1888 | } |
2021 | } |
1889 | #endif |
2022 | #endif |
1890 | |
2023 | |
1891 | return ev_time (); |
2024 | return ev_time (); |
1892 | } |
2025 | } |
1893 | |
2026 | |
1894 | #if EV_MULTIPLICITY |
2027 | #if EV_MULTIPLICITY |
1895 | ev_tstamp |
2028 | ev_tstamp |
1896 | ev_now (EV_P) EV_THROW |
2029 | ev_now (EV_P) EV_NOEXCEPT |
1897 | { |
2030 | { |
1898 | return ev_rt_now; |
2031 | return ev_rt_now; |
1899 | } |
2032 | } |
1900 | #endif |
2033 | #endif |
1901 | |
2034 | |
1902 | void |
2035 | void |
1903 | ev_sleep (ev_tstamp delay) EV_THROW |
2036 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1904 | { |
2037 | { |
1905 | if (delay > 0.) |
2038 | if (delay > 0.) |
1906 | { |
2039 | { |
1907 | #if EV_USE_NANOSLEEP |
2040 | #if EV_USE_NANOSLEEP |
1908 | struct timespec ts; |
2041 | struct timespec ts; |
… | |
… | |
1910 | EV_TS_SET (ts, delay); |
2043 | EV_TS_SET (ts, delay); |
1911 | nanosleep (&ts, 0); |
2044 | nanosleep (&ts, 0); |
1912 | #elif defined _WIN32 |
2045 | #elif defined _WIN32 |
1913 | /* maybe this should round up, as ms is very low resolution */ |
2046 | /* maybe this should round up, as ms is very low resolution */ |
1914 | /* compared to select (µs) or nanosleep (ns) */ |
2047 | /* compared to select (µs) or nanosleep (ns) */ |
1915 | Sleep ((unsigned long)(delay * 1e3)); |
2048 | Sleep ((unsigned long)(EV_TS_TO_MSEC (delay))); |
1916 | #else |
2049 | #else |
1917 | struct timeval tv; |
2050 | struct timeval tv; |
1918 | |
2051 | |
1919 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
2052 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1920 | /* something not guaranteed by newer posix versions, but guaranteed */ |
2053 | /* something not guaranteed by newer posix versions, but guaranteed */ |
… | |
… | |
1950 | } |
2083 | } |
1951 | |
2084 | |
1952 | return ncur; |
2085 | return ncur; |
1953 | } |
2086 | } |
1954 | |
2087 | |
1955 | noinline ecb_cold |
2088 | ecb_noinline ecb_cold |
1956 | static void * |
2089 | static void * |
1957 | array_realloc (int elem, void *base, int *cur, int cnt) |
2090 | array_realloc (int elem, void *base, int *cur, int cnt) |
1958 | { |
2091 | { |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
2092 | *cur = array_nextsize (elem, *cur, cnt); |
1960 | return ev_realloc (base, elem * *cur); |
2093 | return ev_realloc (base, elem * *cur); |
1961 | } |
2094 | } |
1962 | |
2095 | |
|
|
2096 | #define array_needsize_noinit(base,offset,count) |
|
|
2097 | |
1963 | #define array_init_zero(base,count) \ |
2098 | #define array_needsize_zerofill(base,offset,count) \ |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2099 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1965 | |
2100 | |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
2101 | #define array_needsize(type,base,cur,cnt,init) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
2102 | if (ecb_expect_false ((cnt) > (cur))) \ |
1968 | { \ |
2103 | { \ |
1969 | ecb_unused int ocur_ = (cur); \ |
2104 | ecb_unused int ocur_ = (cur); \ |
1970 | (base) = (type *)array_realloc \ |
2105 | (base) = (type *)array_realloc \ |
1971 | (sizeof (type), (base), &(cur), (cnt)); \ |
2106 | (sizeof (type), (base), &(cur), (cnt)); \ |
1972 | init ((base) + (ocur_), (cur) - ocur_); \ |
2107 | init ((base), ocur_, ((cur) - ocur_)); \ |
1973 | } |
2108 | } |
1974 | |
2109 | |
1975 | #if 0 |
2110 | #if 0 |
1976 | #define array_slim(type,stem) \ |
2111 | #define array_slim(type,stem) \ |
1977 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2112 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1986 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2121 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1987 | |
2122 | |
1988 | /*****************************************************************************/ |
2123 | /*****************************************************************************/ |
1989 | |
2124 | |
1990 | /* dummy callback for pending events */ |
2125 | /* dummy callback for pending events */ |
1991 | noinline |
2126 | ecb_noinline |
1992 | static void |
2127 | static void |
1993 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2128 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1994 | { |
2129 | { |
1995 | } |
2130 | } |
1996 | |
2131 | |
1997 | noinline |
2132 | ecb_noinline |
1998 | void |
2133 | void |
1999 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2134 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2000 | { |
2135 | { |
2001 | W w_ = (W)w; |
2136 | W w_ = (W)w; |
2002 | int pri = ABSPRI (w_); |
2137 | int pri = ABSPRI (w_); |
2003 | |
2138 | |
2004 | if (expect_false (w_->pending)) |
2139 | if (ecb_expect_false (w_->pending)) |
2005 | pendings [pri][w_->pending - 1].events |= revents; |
2140 | pendings [pri][w_->pending - 1].events |= revents; |
2006 | else |
2141 | else |
2007 | { |
2142 | { |
2008 | w_->pending = ++pendingcnt [pri]; |
2143 | w_->pending = ++pendingcnt [pri]; |
2009 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2144 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2010 | pendings [pri][w_->pending - 1].w = w_; |
2145 | pendings [pri][w_->pending - 1].w = w_; |
2011 | pendings [pri][w_->pending - 1].events = revents; |
2146 | pendings [pri][w_->pending - 1].events = revents; |
2012 | } |
2147 | } |
2013 | |
2148 | |
2014 | pendingpri = NUMPRI - 1; |
2149 | pendingpri = NUMPRI - 1; |
2015 | } |
2150 | } |
2016 | |
2151 | |
2017 | inline_speed void |
2152 | inline_speed void |
2018 | feed_reverse (EV_P_ W w) |
2153 | feed_reverse (EV_P_ W w) |
2019 | { |
2154 | { |
2020 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2155 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2021 | rfeeds [rfeedcnt++] = w; |
2156 | rfeeds [rfeedcnt++] = w; |
2022 | } |
2157 | } |
2023 | |
2158 | |
2024 | inline_size void |
2159 | inline_size void |
2025 | feed_reverse_done (EV_P_ int revents) |
2160 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2060 | inline_speed void |
2195 | inline_speed void |
2061 | fd_event (EV_P_ int fd, int revents) |
2196 | fd_event (EV_P_ int fd, int revents) |
2062 | { |
2197 | { |
2063 | ANFD *anfd = anfds + fd; |
2198 | ANFD *anfd = anfds + fd; |
2064 | |
2199 | |
2065 | if (expect_true (!anfd->reify)) |
2200 | if (ecb_expect_true (!anfd->reify)) |
2066 | fd_event_nocheck (EV_A_ fd, revents); |
2201 | fd_event_nocheck (EV_A_ fd, revents); |
2067 | } |
2202 | } |
2068 | |
2203 | |
2069 | void |
2204 | void |
2070 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2205 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2071 | { |
2206 | { |
2072 | if (fd >= 0 && fd < anfdmax) |
2207 | if (fd >= 0 && fd < anfdmax) |
2073 | fd_event_nocheck (EV_A_ fd, revents); |
2208 | fd_event_nocheck (EV_A_ fd, revents); |
2074 | } |
2209 | } |
2075 | |
2210 | |
… | |
… | |
2112 | ev_io *w; |
2247 | ev_io *w; |
2113 | |
2248 | |
2114 | unsigned char o_events = anfd->events; |
2249 | unsigned char o_events = anfd->events; |
2115 | unsigned char o_reify = anfd->reify; |
2250 | unsigned char o_reify = anfd->reify; |
2116 | |
2251 | |
2117 | anfd->reify = 0; |
2252 | anfd->reify = 0; |
2118 | |
2253 | |
2119 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2254 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2120 | { |
2255 | { |
2121 | anfd->events = 0; |
2256 | anfd->events = 0; |
2122 | |
2257 | |
2123 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2258 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2124 | anfd->events |= (unsigned char)w->events; |
2259 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2140 | fd_change (EV_P_ int fd, int flags) |
2275 | fd_change (EV_P_ int fd, int flags) |
2141 | { |
2276 | { |
2142 | unsigned char reify = anfds [fd].reify; |
2277 | unsigned char reify = anfds [fd].reify; |
2143 | anfds [fd].reify |= flags; |
2278 | anfds [fd].reify |= flags; |
2144 | |
2279 | |
2145 | if (expect_true (!reify)) |
2280 | if (ecb_expect_true (!reify)) |
2146 | { |
2281 | { |
2147 | ++fdchangecnt; |
2282 | ++fdchangecnt; |
2148 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2283 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2149 | fdchanges [fdchangecnt - 1] = fd; |
2284 | fdchanges [fdchangecnt - 1] = fd; |
2150 | } |
2285 | } |
2151 | } |
2286 | } |
2152 | |
2287 | |
2153 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2288 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2173 | return fcntl (fd, F_GETFD) != -1; |
2308 | return fcntl (fd, F_GETFD) != -1; |
2174 | #endif |
2309 | #endif |
2175 | } |
2310 | } |
2176 | |
2311 | |
2177 | /* called on EBADF to verify fds */ |
2312 | /* called on EBADF to verify fds */ |
2178 | noinline ecb_cold |
2313 | ecb_noinline ecb_cold |
2179 | static void |
2314 | static void |
2180 | fd_ebadf (EV_P) |
2315 | fd_ebadf (EV_P) |
2181 | { |
2316 | { |
2182 | int fd; |
2317 | int fd; |
2183 | |
2318 | |
… | |
… | |
2186 | if (!fd_valid (fd) && errno == EBADF) |
2321 | if (!fd_valid (fd) && errno == EBADF) |
2187 | fd_kill (EV_A_ fd); |
2322 | fd_kill (EV_A_ fd); |
2188 | } |
2323 | } |
2189 | |
2324 | |
2190 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2325 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2191 | noinline ecb_cold |
2326 | ecb_noinline ecb_cold |
2192 | static void |
2327 | static void |
2193 | fd_enomem (EV_P) |
2328 | fd_enomem (EV_P) |
2194 | { |
2329 | { |
2195 | int fd; |
2330 | int fd; |
2196 | |
2331 | |
… | |
… | |
2201 | break; |
2336 | break; |
2202 | } |
2337 | } |
2203 | } |
2338 | } |
2204 | |
2339 | |
2205 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2340 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2206 | noinline |
2341 | ecb_noinline |
2207 | static void |
2342 | static void |
2208 | fd_rearm_all (EV_P) |
2343 | fd_rearm_all (EV_P) |
2209 | { |
2344 | { |
2210 | int fd; |
2345 | int fd; |
2211 | |
2346 | |
… | |
… | |
2265 | ev_tstamp minat; |
2400 | ev_tstamp minat; |
2266 | ANHE *minpos; |
2401 | ANHE *minpos; |
2267 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2402 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2268 | |
2403 | |
2269 | /* find minimum child */ |
2404 | /* find minimum child */ |
2270 | if (expect_true (pos + DHEAP - 1 < E)) |
2405 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2271 | { |
2406 | { |
2272 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2407 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2273 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2408 | if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2274 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2409 | if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2275 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2410 | if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2276 | } |
2411 | } |
2277 | else if (pos < E) |
2412 | else if (pos < E) |
2278 | { |
2413 | { |
2279 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2414 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2280 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2415 | if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2281 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2416 | if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2282 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2417 | if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2283 | } |
2418 | } |
2284 | else |
2419 | else |
2285 | break; |
2420 | break; |
2286 | |
2421 | |
2287 | if (ANHE_at (he) <= minat) |
2422 | if (ANHE_at (he) <= minat) |
… | |
… | |
2295 | |
2430 | |
2296 | heap [k] = he; |
2431 | heap [k] = he; |
2297 | ev_active (ANHE_w (he)) = k; |
2432 | ev_active (ANHE_w (he)) = k; |
2298 | } |
2433 | } |
2299 | |
2434 | |
2300 | #else /* 4HEAP */ |
2435 | #else /* not 4HEAP */ |
2301 | |
2436 | |
2302 | #define HEAP0 1 |
2437 | #define HEAP0 1 |
2303 | #define HPARENT(k) ((k) >> 1) |
2438 | #define HPARENT(k) ((k) >> 1) |
2304 | #define UPHEAP_DONE(p,k) (!(p)) |
2439 | #define UPHEAP_DONE(p,k) (!(p)) |
2305 | |
2440 | |
… | |
… | |
2393 | |
2528 | |
2394 | /*****************************************************************************/ |
2529 | /*****************************************************************************/ |
2395 | |
2530 | |
2396 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2531 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2397 | |
2532 | |
2398 | noinline ecb_cold |
2533 | ecb_noinline ecb_cold |
2399 | static void |
2534 | static void |
2400 | evpipe_init (EV_P) |
2535 | evpipe_init (EV_P) |
2401 | { |
2536 | { |
2402 | if (!ev_is_active (&pipe_w)) |
2537 | if (!ev_is_active (&pipe_w)) |
2403 | { |
2538 | { |
… | |
… | |
2444 | inline_speed void |
2579 | inline_speed void |
2445 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2580 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2446 | { |
2581 | { |
2447 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2582 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2448 | |
2583 | |
2449 | if (expect_true (*flag)) |
2584 | if (ecb_expect_true (*flag)) |
2450 | return; |
2585 | return; |
2451 | |
2586 | |
2452 | *flag = 1; |
2587 | *flag = 1; |
2453 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2588 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2454 | |
2589 | |
… | |
… | |
2531 | sig_pending = 0; |
2666 | sig_pending = 0; |
2532 | |
2667 | |
2533 | ECB_MEMORY_FENCE; |
2668 | ECB_MEMORY_FENCE; |
2534 | |
2669 | |
2535 | for (i = EV_NSIG - 1; i--; ) |
2670 | for (i = EV_NSIG - 1; i--; ) |
2536 | if (expect_false (signals [i].pending)) |
2671 | if (ecb_expect_false (signals [i].pending)) |
2537 | ev_feed_signal_event (EV_A_ i + 1); |
2672 | ev_feed_signal_event (EV_A_ i + 1); |
2538 | } |
2673 | } |
2539 | #endif |
2674 | #endif |
2540 | |
2675 | |
2541 | #if EV_ASYNC_ENABLE |
2676 | #if EV_ASYNC_ENABLE |
… | |
… | |
2557 | } |
2692 | } |
2558 | |
2693 | |
2559 | /*****************************************************************************/ |
2694 | /*****************************************************************************/ |
2560 | |
2695 | |
2561 | void |
2696 | void |
2562 | ev_feed_signal (int signum) EV_THROW |
2697 | ev_feed_signal (int signum) EV_NOEXCEPT |
2563 | { |
2698 | { |
2564 | #if EV_MULTIPLICITY |
2699 | #if EV_MULTIPLICITY |
2565 | EV_P; |
2700 | EV_P; |
2566 | ECB_MEMORY_FENCE_ACQUIRE; |
2701 | ECB_MEMORY_FENCE_ACQUIRE; |
2567 | EV_A = signals [signum - 1].loop; |
2702 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2582 | #endif |
2717 | #endif |
2583 | |
2718 | |
2584 | ev_feed_signal (signum); |
2719 | ev_feed_signal (signum); |
2585 | } |
2720 | } |
2586 | |
2721 | |
2587 | noinline |
2722 | ecb_noinline |
2588 | void |
2723 | void |
2589 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2724 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2590 | { |
2725 | { |
2591 | WL w; |
2726 | WL w; |
2592 | |
2727 | |
2593 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2728 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2594 | return; |
2729 | return; |
2595 | |
2730 | |
2596 | --signum; |
2731 | --signum; |
2597 | |
2732 | |
2598 | #if EV_MULTIPLICITY |
2733 | #if EV_MULTIPLICITY |
2599 | /* it is permissible to try to feed a signal to the wrong loop */ |
2734 | /* it is permissible to try to feed a signal to the wrong loop */ |
2600 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2735 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2601 | |
2736 | |
2602 | if (expect_false (signals [signum].loop != EV_A)) |
2737 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2603 | return; |
2738 | return; |
2604 | #endif |
2739 | #endif |
2605 | |
2740 | |
2606 | signals [signum].pending = 0; |
2741 | signals [signum].pending = 0; |
2607 | ECB_MEMORY_FENCE_RELEASE; |
2742 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2703 | # include "ev_kqueue.c" |
2838 | # include "ev_kqueue.c" |
2704 | #endif |
2839 | #endif |
2705 | #if EV_USE_EPOLL |
2840 | #if EV_USE_EPOLL |
2706 | # include "ev_epoll.c" |
2841 | # include "ev_epoll.c" |
2707 | #endif |
2842 | #endif |
|
|
2843 | #if EV_USE_LINUXAIO |
|
|
2844 | # include "ev_linuxaio.c" |
|
|
2845 | #endif |
|
|
2846 | #if EV_USE_IOURING |
|
|
2847 | # include "ev_iouring.c" |
|
|
2848 | #endif |
2708 | #if EV_USE_POLL |
2849 | #if EV_USE_POLL |
2709 | # include "ev_poll.c" |
2850 | # include "ev_poll.c" |
2710 | #endif |
2851 | #endif |
2711 | #if EV_USE_SELECT |
2852 | #if EV_USE_SELECT |
2712 | # include "ev_select.c" |
2853 | # include "ev_select.c" |
2713 | #endif |
2854 | #endif |
2714 | |
2855 | |
2715 | ecb_cold int |
2856 | ecb_cold int |
2716 | ev_version_major (void) EV_THROW |
2857 | ev_version_major (void) EV_NOEXCEPT |
2717 | { |
2858 | { |
2718 | return EV_VERSION_MAJOR; |
2859 | return EV_VERSION_MAJOR; |
2719 | } |
2860 | } |
2720 | |
2861 | |
2721 | ecb_cold int |
2862 | ecb_cold int |
2722 | ev_version_minor (void) EV_THROW |
2863 | ev_version_minor (void) EV_NOEXCEPT |
2723 | { |
2864 | { |
2724 | return EV_VERSION_MINOR; |
2865 | return EV_VERSION_MINOR; |
2725 | } |
2866 | } |
2726 | |
2867 | |
2727 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2868 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
2736 | #endif |
2877 | #endif |
2737 | } |
2878 | } |
2738 | |
2879 | |
2739 | ecb_cold |
2880 | ecb_cold |
2740 | unsigned int |
2881 | unsigned int |
2741 | ev_supported_backends (void) EV_THROW |
2882 | ev_supported_backends (void) EV_NOEXCEPT |
2742 | { |
2883 | { |
2743 | unsigned int flags = 0; |
2884 | unsigned int flags = 0; |
2744 | |
2885 | |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2886 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2746 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2887 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2747 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2888 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2889 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2890 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2748 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2891 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2892 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2750 | |
2893 | |
2751 | return flags; |
2894 | return flags; |
2752 | } |
2895 | } |
2753 | |
2896 | |
2754 | ecb_cold |
2897 | ecb_cold |
2755 | unsigned int |
2898 | unsigned int |
2756 | ev_recommended_backends (void) EV_THROW |
2899 | ev_recommended_backends (void) EV_NOEXCEPT |
2757 | { |
2900 | { |
2758 | unsigned int flags = ev_supported_backends (); |
2901 | unsigned int flags = ev_supported_backends (); |
2759 | |
2902 | |
2760 | #ifndef __NetBSD__ |
2903 | #ifndef __NetBSD__ |
2761 | /* kqueue is borked on everything but netbsd apparently */ |
2904 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2769 | #endif |
2912 | #endif |
2770 | #ifdef __FreeBSD__ |
2913 | #ifdef __FreeBSD__ |
2771 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2914 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2772 | #endif |
2915 | #endif |
2773 | |
2916 | |
|
|
2917 | /* TODO: linuxaio is very experimental */ |
|
|
2918 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2919 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2920 | #endif |
|
|
2921 | /* TODO: linuxaio is super experimental */ |
|
|
2922 | #if !EV_RECOMMEND_IOURING |
|
|
2923 | flags &= ~EVBACKEND_IOURING; |
|
|
2924 | #endif |
|
|
2925 | |
2774 | return flags; |
2926 | return flags; |
2775 | } |
2927 | } |
2776 | |
2928 | |
2777 | ecb_cold |
2929 | ecb_cold |
2778 | unsigned int |
2930 | unsigned int |
2779 | ev_embeddable_backends (void) EV_THROW |
2931 | ev_embeddable_backends (void) EV_NOEXCEPT |
2780 | { |
2932 | { |
2781 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2933 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2782 | |
2934 | |
2783 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2935 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2784 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2936 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2785 | flags &= ~EVBACKEND_EPOLL; |
2937 | flags &= ~EVBACKEND_EPOLL; |
2786 | |
2938 | |
|
|
2939 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2940 | |
|
|
2941 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2942 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2943 | * if the kernel ever is fixed, this might change... |
|
|
2944 | */ |
|
|
2945 | |
2787 | return flags; |
2946 | return flags; |
2788 | } |
2947 | } |
2789 | |
2948 | |
2790 | unsigned int |
2949 | unsigned int |
2791 | ev_backend (EV_P) EV_THROW |
2950 | ev_backend (EV_P) EV_NOEXCEPT |
2792 | { |
2951 | { |
2793 | return backend; |
2952 | return backend; |
2794 | } |
2953 | } |
2795 | |
2954 | |
2796 | #if EV_FEATURE_API |
2955 | #if EV_FEATURE_API |
2797 | unsigned int |
2956 | unsigned int |
2798 | ev_iteration (EV_P) EV_THROW |
2957 | ev_iteration (EV_P) EV_NOEXCEPT |
2799 | { |
2958 | { |
2800 | return loop_count; |
2959 | return loop_count; |
2801 | } |
2960 | } |
2802 | |
2961 | |
2803 | unsigned int |
2962 | unsigned int |
2804 | ev_depth (EV_P) EV_THROW |
2963 | ev_depth (EV_P) EV_NOEXCEPT |
2805 | { |
2964 | { |
2806 | return loop_depth; |
2965 | return loop_depth; |
2807 | } |
2966 | } |
2808 | |
2967 | |
2809 | void |
2968 | void |
2810 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2969 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2811 | { |
2970 | { |
2812 | io_blocktime = interval; |
2971 | io_blocktime = interval; |
2813 | } |
2972 | } |
2814 | |
2973 | |
2815 | void |
2974 | void |
2816 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2975 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2817 | { |
2976 | { |
2818 | timeout_blocktime = interval; |
2977 | timeout_blocktime = interval; |
2819 | } |
2978 | } |
2820 | |
2979 | |
2821 | void |
2980 | void |
2822 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2981 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2823 | { |
2982 | { |
2824 | userdata = data; |
2983 | userdata = data; |
2825 | } |
2984 | } |
2826 | |
2985 | |
2827 | void * |
2986 | void * |
2828 | ev_userdata (EV_P) EV_THROW |
2987 | ev_userdata (EV_P) EV_NOEXCEPT |
2829 | { |
2988 | { |
2830 | return userdata; |
2989 | return userdata; |
2831 | } |
2990 | } |
2832 | |
2991 | |
2833 | void |
2992 | void |
2834 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2993 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2835 | { |
2994 | { |
2836 | invoke_cb = invoke_pending_cb; |
2995 | invoke_cb = invoke_pending_cb; |
2837 | } |
2996 | } |
2838 | |
2997 | |
2839 | void |
2998 | void |
2840 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2999 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2841 | { |
3000 | { |
2842 | release_cb = release; |
3001 | release_cb = release; |
2843 | acquire_cb = acquire; |
3002 | acquire_cb = acquire; |
2844 | } |
3003 | } |
2845 | #endif |
3004 | #endif |
2846 | |
3005 | |
2847 | /* initialise a loop structure, must be zero-initialised */ |
3006 | /* initialise a loop structure, must be zero-initialised */ |
2848 | noinline ecb_cold |
3007 | ecb_noinline ecb_cold |
2849 | static void |
3008 | static void |
2850 | loop_init (EV_P_ unsigned int flags) EV_THROW |
3009 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2851 | { |
3010 | { |
2852 | if (!backend) |
3011 | if (!backend) |
2853 | { |
3012 | { |
2854 | origflags = flags; |
3013 | origflags = flags; |
2855 | |
3014 | |
… | |
… | |
2913 | |
3072 | |
2914 | if (!(flags & EVBACKEND_MASK)) |
3073 | if (!(flags & EVBACKEND_MASK)) |
2915 | flags |= ev_recommended_backends (); |
3074 | flags |= ev_recommended_backends (); |
2916 | |
3075 | |
2917 | #if EV_USE_IOCP |
3076 | #if EV_USE_IOCP |
2918 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
3077 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2919 | #endif |
3078 | #endif |
2920 | #if EV_USE_PORT |
3079 | #if EV_USE_PORT |
2921 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3080 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2922 | #endif |
3081 | #endif |
2923 | #if EV_USE_KQUEUE |
3082 | #if EV_USE_KQUEUE |
2924 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
3083 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
3084 | #endif |
|
|
3085 | #if EV_USE_IOURING |
|
|
3086 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3087 | #endif |
|
|
3088 | #if EV_USE_LINUXAIO |
|
|
3089 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2925 | #endif |
3090 | #endif |
2926 | #if EV_USE_EPOLL |
3091 | #if EV_USE_EPOLL |
2927 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3092 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2928 | #endif |
3093 | #endif |
2929 | #if EV_USE_POLL |
3094 | #if EV_USE_POLL |
2930 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
3095 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2931 | #endif |
3096 | #endif |
2932 | #if EV_USE_SELECT |
3097 | #if EV_USE_SELECT |
2933 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
3098 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2934 | #endif |
3099 | #endif |
2935 | |
3100 | |
2936 | ev_prepare_init (&pending_w, pendingcb); |
3101 | ev_prepare_init (&pending_w, pendingcb); |
2937 | |
3102 | |
2938 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3103 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2955 | return; |
3120 | return; |
2956 | #endif |
3121 | #endif |
2957 | |
3122 | |
2958 | #if EV_CLEANUP_ENABLE |
3123 | #if EV_CLEANUP_ENABLE |
2959 | /* queue cleanup watchers (and execute them) */ |
3124 | /* queue cleanup watchers (and execute them) */ |
2960 | if (expect_false (cleanupcnt)) |
3125 | if (ecb_expect_false (cleanupcnt)) |
2961 | { |
3126 | { |
2962 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3127 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2963 | EV_INVOKE_PENDING; |
3128 | EV_INVOKE_PENDING; |
2964 | } |
3129 | } |
2965 | #endif |
3130 | #endif |
… | |
… | |
2993 | |
3158 | |
2994 | if (backend_fd >= 0) |
3159 | if (backend_fd >= 0) |
2995 | close (backend_fd); |
3160 | close (backend_fd); |
2996 | |
3161 | |
2997 | #if EV_USE_IOCP |
3162 | #if EV_USE_IOCP |
2998 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3163 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2999 | #endif |
3164 | #endif |
3000 | #if EV_USE_PORT |
3165 | #if EV_USE_PORT |
3001 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3166 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3002 | #endif |
3167 | #endif |
3003 | #if EV_USE_KQUEUE |
3168 | #if EV_USE_KQUEUE |
3004 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3169 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3170 | #endif |
|
|
3171 | #if EV_USE_IOURING |
|
|
3172 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
|
|
3173 | #endif |
|
|
3174 | #if EV_USE_LINUXAIO |
|
|
3175 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3005 | #endif |
3176 | #endif |
3006 | #if EV_USE_EPOLL |
3177 | #if EV_USE_EPOLL |
3007 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3178 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3008 | #endif |
3179 | #endif |
3009 | #if EV_USE_POLL |
3180 | #if EV_USE_POLL |
3010 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3181 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3011 | #endif |
3182 | #endif |
3012 | #if EV_USE_SELECT |
3183 | #if EV_USE_SELECT |
3013 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3184 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3014 | #endif |
3185 | #endif |
3015 | |
3186 | |
3016 | for (i = NUMPRI; i--; ) |
3187 | for (i = NUMPRI; i--; ) |
3017 | { |
3188 | { |
3018 | array_free (pending, [i]); |
3189 | array_free (pending, [i]); |
… | |
… | |
3060 | |
3231 | |
3061 | inline_size void |
3232 | inline_size void |
3062 | loop_fork (EV_P) |
3233 | loop_fork (EV_P) |
3063 | { |
3234 | { |
3064 | #if EV_USE_PORT |
3235 | #if EV_USE_PORT |
3065 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3236 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3066 | #endif |
3237 | #endif |
3067 | #if EV_USE_KQUEUE |
3238 | #if EV_USE_KQUEUE |
3068 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3239 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3240 | #endif |
|
|
3241 | #if EV_USE_IOURING |
|
|
3242 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3243 | #endif |
|
|
3244 | #if EV_USE_LINUXAIO |
|
|
3245 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3069 | #endif |
3246 | #endif |
3070 | #if EV_USE_EPOLL |
3247 | #if EV_USE_EPOLL |
3071 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3248 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3072 | #endif |
3249 | #endif |
3073 | #if EV_USE_INOTIFY |
3250 | #if EV_USE_INOTIFY |
3074 | infy_fork (EV_A); |
3251 | infy_fork (EV_A); |
3075 | #endif |
3252 | #endif |
3076 | |
3253 | |
… | |
… | |
3096 | |
3273 | |
3097 | #if EV_MULTIPLICITY |
3274 | #if EV_MULTIPLICITY |
3098 | |
3275 | |
3099 | ecb_cold |
3276 | ecb_cold |
3100 | struct ev_loop * |
3277 | struct ev_loop * |
3101 | ev_loop_new (unsigned int flags) EV_THROW |
3278 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
3102 | { |
3279 | { |
3103 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3280 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3104 | |
3281 | |
3105 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3282 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3106 | loop_init (EV_A_ flags); |
3283 | loop_init (EV_A_ flags); |
… | |
… | |
3113 | } |
3290 | } |
3114 | |
3291 | |
3115 | #endif /* multiplicity */ |
3292 | #endif /* multiplicity */ |
3116 | |
3293 | |
3117 | #if EV_VERIFY |
3294 | #if EV_VERIFY |
3118 | noinline ecb_cold |
3295 | ecb_noinline ecb_cold |
3119 | static void |
3296 | static void |
3120 | verify_watcher (EV_P_ W w) |
3297 | verify_watcher (EV_P_ W w) |
3121 | { |
3298 | { |
3122 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3299 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3123 | |
3300 | |
3124 | if (w->pending) |
3301 | if (w->pending) |
3125 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3302 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3126 | } |
3303 | } |
3127 | |
3304 | |
3128 | noinline ecb_cold |
3305 | ecb_noinline ecb_cold |
3129 | static void |
3306 | static void |
3130 | verify_heap (EV_P_ ANHE *heap, int N) |
3307 | verify_heap (EV_P_ ANHE *heap, int N) |
3131 | { |
3308 | { |
3132 | int i; |
3309 | int i; |
3133 | |
3310 | |
… | |
… | |
3139 | |
3316 | |
3140 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3317 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3141 | } |
3318 | } |
3142 | } |
3319 | } |
3143 | |
3320 | |
3144 | noinline ecb_cold |
3321 | ecb_noinline ecb_cold |
3145 | static void |
3322 | static void |
3146 | array_verify (EV_P_ W *ws, int cnt) |
3323 | array_verify (EV_P_ W *ws, int cnt) |
3147 | { |
3324 | { |
3148 | while (cnt--) |
3325 | while (cnt--) |
3149 | { |
3326 | { |
… | |
… | |
3153 | } |
3330 | } |
3154 | #endif |
3331 | #endif |
3155 | |
3332 | |
3156 | #if EV_FEATURE_API |
3333 | #if EV_FEATURE_API |
3157 | void ecb_cold |
3334 | void ecb_cold |
3158 | ev_verify (EV_P) EV_THROW |
3335 | ev_verify (EV_P) EV_NOEXCEPT |
3159 | { |
3336 | { |
3160 | #if EV_VERIFY |
3337 | #if EV_VERIFY |
3161 | int i; |
3338 | int i; |
3162 | WL w, w2; |
3339 | WL w, w2; |
3163 | |
3340 | |
… | |
… | |
3244 | ecb_cold |
3421 | ecb_cold |
3245 | struct ev_loop * |
3422 | struct ev_loop * |
3246 | #else |
3423 | #else |
3247 | int |
3424 | int |
3248 | #endif |
3425 | #endif |
3249 | ev_default_loop (unsigned int flags) EV_THROW |
3426 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3250 | { |
3427 | { |
3251 | if (!ev_default_loop_ptr) |
3428 | if (!ev_default_loop_ptr) |
3252 | { |
3429 | { |
3253 | #if EV_MULTIPLICITY |
3430 | #if EV_MULTIPLICITY |
3254 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3431 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3273 | |
3450 | |
3274 | return ev_default_loop_ptr; |
3451 | return ev_default_loop_ptr; |
3275 | } |
3452 | } |
3276 | |
3453 | |
3277 | void |
3454 | void |
3278 | ev_loop_fork (EV_P) EV_THROW |
3455 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3279 | { |
3456 | { |
3280 | postfork = 1; |
3457 | postfork = 1; |
3281 | } |
3458 | } |
3282 | |
3459 | |
3283 | /*****************************************************************************/ |
3460 | /*****************************************************************************/ |
… | |
… | |
3287 | { |
3464 | { |
3288 | EV_CB_INVOKE ((W)w, revents); |
3465 | EV_CB_INVOKE ((W)w, revents); |
3289 | } |
3466 | } |
3290 | |
3467 | |
3291 | unsigned int |
3468 | unsigned int |
3292 | ev_pending_count (EV_P) EV_THROW |
3469 | ev_pending_count (EV_P) EV_NOEXCEPT |
3293 | { |
3470 | { |
3294 | int pri; |
3471 | int pri; |
3295 | unsigned int count = 0; |
3472 | unsigned int count = 0; |
3296 | |
3473 | |
3297 | for (pri = NUMPRI; pri--; ) |
3474 | for (pri = NUMPRI; pri--; ) |
3298 | count += pendingcnt [pri]; |
3475 | count += pendingcnt [pri]; |
3299 | |
3476 | |
3300 | return count; |
3477 | return count; |
3301 | } |
3478 | } |
3302 | |
3479 | |
3303 | noinline |
3480 | ecb_noinline |
3304 | void |
3481 | void |
3305 | ev_invoke_pending (EV_P) |
3482 | ev_invoke_pending (EV_P) |
3306 | { |
3483 | { |
3307 | pendingpri = NUMPRI; |
3484 | pendingpri = NUMPRI; |
3308 | |
3485 | |
… | |
… | |
3327 | /* make idle watchers pending. this handles the "call-idle */ |
3504 | /* make idle watchers pending. this handles the "call-idle */ |
3328 | /* only when higher priorities are idle" logic */ |
3505 | /* only when higher priorities are idle" logic */ |
3329 | inline_size void |
3506 | inline_size void |
3330 | idle_reify (EV_P) |
3507 | idle_reify (EV_P) |
3331 | { |
3508 | { |
3332 | if (expect_false (idleall)) |
3509 | if (ecb_expect_false (idleall)) |
3333 | { |
3510 | { |
3334 | int pri; |
3511 | int pri; |
3335 | |
3512 | |
3336 | for (pri = NUMPRI; pri--; ) |
3513 | for (pri = NUMPRI; pri--; ) |
3337 | { |
3514 | { |
… | |
… | |
3386 | } |
3563 | } |
3387 | } |
3564 | } |
3388 | |
3565 | |
3389 | #if EV_PERIODIC_ENABLE |
3566 | #if EV_PERIODIC_ENABLE |
3390 | |
3567 | |
3391 | noinline |
3568 | ecb_noinline |
3392 | static void |
3569 | static void |
3393 | periodic_recalc (EV_P_ ev_periodic *w) |
3570 | periodic_recalc (EV_P_ ev_periodic *w) |
3394 | { |
3571 | { |
3395 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3572 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3396 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3573 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3399 | while (at <= ev_rt_now) |
3576 | while (at <= ev_rt_now) |
3400 | { |
3577 | { |
3401 | ev_tstamp nat = at + w->interval; |
3578 | ev_tstamp nat = at + w->interval; |
3402 | |
3579 | |
3403 | /* when resolution fails us, we use ev_rt_now */ |
3580 | /* when resolution fails us, we use ev_rt_now */ |
3404 | if (expect_false (nat == at)) |
3581 | if (ecb_expect_false (nat == at)) |
3405 | { |
3582 | { |
3406 | at = ev_rt_now; |
3583 | at = ev_rt_now; |
3407 | break; |
3584 | break; |
3408 | } |
3585 | } |
3409 | |
3586 | |
… | |
… | |
3455 | } |
3632 | } |
3456 | } |
3633 | } |
3457 | |
3634 | |
3458 | /* simply recalculate all periodics */ |
3635 | /* simply recalculate all periodics */ |
3459 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3636 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3460 | noinline ecb_cold |
3637 | ecb_noinline ecb_cold |
3461 | static void |
3638 | static void |
3462 | periodics_reschedule (EV_P) |
3639 | periodics_reschedule (EV_P) |
3463 | { |
3640 | { |
3464 | int i; |
3641 | int i; |
3465 | |
3642 | |
… | |
… | |
3479 | reheap (periodics, periodiccnt); |
3656 | reheap (periodics, periodiccnt); |
3480 | } |
3657 | } |
3481 | #endif |
3658 | #endif |
3482 | |
3659 | |
3483 | /* adjust all timers by a given offset */ |
3660 | /* adjust all timers by a given offset */ |
3484 | noinline ecb_cold |
3661 | ecb_noinline ecb_cold |
3485 | static void |
3662 | static void |
3486 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3663 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3487 | { |
3664 | { |
3488 | int i; |
3665 | int i; |
3489 | |
3666 | |
… | |
… | |
3499 | /* also detect if there was a timejump, and act accordingly */ |
3676 | /* also detect if there was a timejump, and act accordingly */ |
3500 | inline_speed void |
3677 | inline_speed void |
3501 | time_update (EV_P_ ev_tstamp max_block) |
3678 | time_update (EV_P_ ev_tstamp max_block) |
3502 | { |
3679 | { |
3503 | #if EV_USE_MONOTONIC |
3680 | #if EV_USE_MONOTONIC |
3504 | if (expect_true (have_monotonic)) |
3681 | if (ecb_expect_true (have_monotonic)) |
3505 | { |
3682 | { |
3506 | int i; |
3683 | int i; |
3507 | ev_tstamp odiff = rtmn_diff; |
3684 | ev_tstamp odiff = rtmn_diff; |
3508 | |
3685 | |
3509 | mn_now = get_clock (); |
3686 | mn_now = get_clock (); |
3510 | |
3687 | |
3511 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3688 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3512 | /* interpolate in the meantime */ |
3689 | /* interpolate in the meantime */ |
3513 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3690 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3514 | { |
3691 | { |
3515 | ev_rt_now = rtmn_diff + mn_now; |
3692 | ev_rt_now = rtmn_diff + mn_now; |
3516 | return; |
3693 | return; |
3517 | } |
3694 | } |
3518 | |
3695 | |
… | |
… | |
3532 | ev_tstamp diff; |
3709 | ev_tstamp diff; |
3533 | rtmn_diff = ev_rt_now - mn_now; |
3710 | rtmn_diff = ev_rt_now - mn_now; |
3534 | |
3711 | |
3535 | diff = odiff - rtmn_diff; |
3712 | diff = odiff - rtmn_diff; |
3536 | |
3713 | |
3537 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3714 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3538 | return; /* all is well */ |
3715 | return; /* all is well */ |
3539 | |
3716 | |
3540 | ev_rt_now = ev_time (); |
3717 | ev_rt_now = ev_time (); |
3541 | mn_now = get_clock (); |
3718 | mn_now = get_clock (); |
3542 | now_floor = mn_now; |
3719 | now_floor = mn_now; |
… | |
… | |
3551 | else |
3728 | else |
3552 | #endif |
3729 | #endif |
3553 | { |
3730 | { |
3554 | ev_rt_now = ev_time (); |
3731 | ev_rt_now = ev_time (); |
3555 | |
3732 | |
3556 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3733 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3557 | { |
3734 | { |
3558 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3735 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3559 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3736 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3560 | #if EV_PERIODIC_ENABLE |
3737 | #if EV_PERIODIC_ENABLE |
3561 | periodics_reschedule (EV_A); |
3738 | periodics_reschedule (EV_A); |
… | |
… | |
3584 | #if EV_VERIFY >= 2 |
3761 | #if EV_VERIFY >= 2 |
3585 | ev_verify (EV_A); |
3762 | ev_verify (EV_A); |
3586 | #endif |
3763 | #endif |
3587 | |
3764 | |
3588 | #ifndef _WIN32 |
3765 | #ifndef _WIN32 |
3589 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3766 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3590 | if (expect_false (getpid () != curpid)) |
3767 | if (ecb_expect_false (getpid () != curpid)) |
3591 | { |
3768 | { |
3592 | curpid = getpid (); |
3769 | curpid = getpid (); |
3593 | postfork = 1; |
3770 | postfork = 1; |
3594 | } |
3771 | } |
3595 | #endif |
3772 | #endif |
3596 | |
3773 | |
3597 | #if EV_FORK_ENABLE |
3774 | #if EV_FORK_ENABLE |
3598 | /* we might have forked, so queue fork handlers */ |
3775 | /* we might have forked, so queue fork handlers */ |
3599 | if (expect_false (postfork)) |
3776 | if (ecb_expect_false (postfork)) |
3600 | if (forkcnt) |
3777 | if (forkcnt) |
3601 | { |
3778 | { |
3602 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3779 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3603 | EV_INVOKE_PENDING; |
3780 | EV_INVOKE_PENDING; |
3604 | } |
3781 | } |
3605 | #endif |
3782 | #endif |
3606 | |
3783 | |
3607 | #if EV_PREPARE_ENABLE |
3784 | #if EV_PREPARE_ENABLE |
3608 | /* queue prepare watchers (and execute them) */ |
3785 | /* queue prepare watchers (and execute them) */ |
3609 | if (expect_false (preparecnt)) |
3786 | if (ecb_expect_false (preparecnt)) |
3610 | { |
3787 | { |
3611 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3788 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3612 | EV_INVOKE_PENDING; |
3789 | EV_INVOKE_PENDING; |
3613 | } |
3790 | } |
3614 | #endif |
3791 | #endif |
3615 | |
3792 | |
3616 | if (expect_false (loop_done)) |
3793 | if (ecb_expect_false (loop_done)) |
3617 | break; |
3794 | break; |
3618 | |
3795 | |
3619 | /* we might have forked, so reify kernel state if necessary */ |
3796 | /* we might have forked, so reify kernel state if necessary */ |
3620 | if (expect_false (postfork)) |
3797 | if (ecb_expect_false (postfork)) |
3621 | loop_fork (EV_A); |
3798 | loop_fork (EV_A); |
3622 | |
3799 | |
3623 | /* update fd-related kernel structures */ |
3800 | /* update fd-related kernel structures */ |
3624 | fd_reify (EV_A); |
3801 | fd_reify (EV_A); |
3625 | |
3802 | |
… | |
… | |
3637 | /* from now on, we want a pipe-wake-up */ |
3814 | /* from now on, we want a pipe-wake-up */ |
3638 | pipe_write_wanted = 1; |
3815 | pipe_write_wanted = 1; |
3639 | |
3816 | |
3640 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3817 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3641 | |
3818 | |
3642 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3819 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3643 | { |
3820 | { |
3644 | waittime = MAX_BLOCKTIME; |
3821 | waittime = MAX_BLOCKTIME; |
3645 | |
3822 | |
3646 | if (timercnt) |
3823 | if (timercnt) |
3647 | { |
3824 | { |
… | |
… | |
3656 | if (waittime > to) waittime = to; |
3833 | if (waittime > to) waittime = to; |
3657 | } |
3834 | } |
3658 | #endif |
3835 | #endif |
3659 | |
3836 | |
3660 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3837 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3661 | if (expect_false (waittime < timeout_blocktime)) |
3838 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3662 | waittime = timeout_blocktime; |
3839 | waittime = timeout_blocktime; |
3663 | |
3840 | |
3664 | /* at this point, we NEED to wait, so we have to ensure */ |
3841 | /* at this point, we NEED to wait, so we have to ensure */ |
3665 | /* to pass a minimum nonzero value to the backend */ |
3842 | /* to pass a minimum nonzero value to the backend */ |
3666 | if (expect_false (waittime < backend_mintime)) |
3843 | if (ecb_expect_false (waittime < backend_mintime)) |
3667 | waittime = backend_mintime; |
3844 | waittime = backend_mintime; |
3668 | |
3845 | |
3669 | /* extra check because io_blocktime is commonly 0 */ |
3846 | /* extra check because io_blocktime is commonly 0 */ |
3670 | if (expect_false (io_blocktime)) |
3847 | if (ecb_expect_false (io_blocktime)) |
3671 | { |
3848 | { |
3672 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3849 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3673 | |
3850 | |
3674 | if (sleeptime > waittime - backend_mintime) |
3851 | if (sleeptime > waittime - backend_mintime) |
3675 | sleeptime = waittime - backend_mintime; |
3852 | sleeptime = waittime - backend_mintime; |
3676 | |
3853 | |
3677 | if (expect_true (sleeptime > 0.)) |
3854 | if (ecb_expect_true (sleeptime > 0.)) |
3678 | { |
3855 | { |
3679 | ev_sleep (sleeptime); |
3856 | ev_sleep (sleeptime); |
3680 | waittime -= sleeptime; |
3857 | waittime -= sleeptime; |
3681 | } |
3858 | } |
3682 | } |
3859 | } |
… | |
… | |
3696 | { |
3873 | { |
3697 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3874 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3698 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3875 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3699 | } |
3876 | } |
3700 | |
3877 | |
3701 | |
|
|
3702 | /* update ev_rt_now, do magic */ |
3878 | /* update ev_rt_now, do magic */ |
3703 | time_update (EV_A_ waittime + sleeptime); |
3879 | time_update (EV_A_ waittime + sleeptime); |
3704 | } |
3880 | } |
3705 | |
3881 | |
3706 | /* queue pending timers and reschedule them */ |
3882 | /* queue pending timers and reschedule them */ |
… | |
… | |
3714 | idle_reify (EV_A); |
3890 | idle_reify (EV_A); |
3715 | #endif |
3891 | #endif |
3716 | |
3892 | |
3717 | #if EV_CHECK_ENABLE |
3893 | #if EV_CHECK_ENABLE |
3718 | /* queue check watchers, to be executed first */ |
3894 | /* queue check watchers, to be executed first */ |
3719 | if (expect_false (checkcnt)) |
3895 | if (ecb_expect_false (checkcnt)) |
3720 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3896 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3721 | #endif |
3897 | #endif |
3722 | |
3898 | |
3723 | EV_INVOKE_PENDING; |
3899 | EV_INVOKE_PENDING; |
3724 | } |
3900 | } |
3725 | while (expect_true ( |
3901 | while (ecb_expect_true ( |
3726 | activecnt |
3902 | activecnt |
3727 | && !loop_done |
3903 | && !loop_done |
3728 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3904 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3729 | )); |
3905 | )); |
3730 | |
3906 | |
… | |
… | |
3737 | |
3913 | |
3738 | return activecnt; |
3914 | return activecnt; |
3739 | } |
3915 | } |
3740 | |
3916 | |
3741 | void |
3917 | void |
3742 | ev_break (EV_P_ int how) EV_THROW |
3918 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3743 | { |
3919 | { |
3744 | loop_done = how; |
3920 | loop_done = how; |
3745 | } |
3921 | } |
3746 | |
3922 | |
3747 | void |
3923 | void |
3748 | ev_ref (EV_P) EV_THROW |
3924 | ev_ref (EV_P) EV_NOEXCEPT |
3749 | { |
3925 | { |
3750 | ++activecnt; |
3926 | ++activecnt; |
3751 | } |
3927 | } |
3752 | |
3928 | |
3753 | void |
3929 | void |
3754 | ev_unref (EV_P) EV_THROW |
3930 | ev_unref (EV_P) EV_NOEXCEPT |
3755 | { |
3931 | { |
3756 | --activecnt; |
3932 | --activecnt; |
3757 | } |
3933 | } |
3758 | |
3934 | |
3759 | void |
3935 | void |
3760 | ev_now_update (EV_P) EV_THROW |
3936 | ev_now_update (EV_P) EV_NOEXCEPT |
3761 | { |
3937 | { |
3762 | time_update (EV_A_ 1e100); |
3938 | time_update (EV_A_ 1e100); |
3763 | } |
3939 | } |
3764 | |
3940 | |
3765 | void |
3941 | void |
3766 | ev_suspend (EV_P) EV_THROW |
3942 | ev_suspend (EV_P) EV_NOEXCEPT |
3767 | { |
3943 | { |
3768 | ev_now_update (EV_A); |
3944 | ev_now_update (EV_A); |
3769 | } |
3945 | } |
3770 | |
3946 | |
3771 | void |
3947 | void |
3772 | ev_resume (EV_P) EV_THROW |
3948 | ev_resume (EV_P) EV_NOEXCEPT |
3773 | { |
3949 | { |
3774 | ev_tstamp mn_prev = mn_now; |
3950 | ev_tstamp mn_prev = mn_now; |
3775 | |
3951 | |
3776 | ev_now_update (EV_A); |
3952 | ev_now_update (EV_A); |
3777 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3953 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3794 | inline_size void |
3970 | inline_size void |
3795 | wlist_del (WL *head, WL elem) |
3971 | wlist_del (WL *head, WL elem) |
3796 | { |
3972 | { |
3797 | while (*head) |
3973 | while (*head) |
3798 | { |
3974 | { |
3799 | if (expect_true (*head == elem)) |
3975 | if (ecb_expect_true (*head == elem)) |
3800 | { |
3976 | { |
3801 | *head = elem->next; |
3977 | *head = elem->next; |
3802 | break; |
3978 | break; |
3803 | } |
3979 | } |
3804 | |
3980 | |
… | |
… | |
3816 | w->pending = 0; |
3992 | w->pending = 0; |
3817 | } |
3993 | } |
3818 | } |
3994 | } |
3819 | |
3995 | |
3820 | int |
3996 | int |
3821 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3997 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3822 | { |
3998 | { |
3823 | W w_ = (W)w; |
3999 | W w_ = (W)w; |
3824 | int pending = w_->pending; |
4000 | int pending = w_->pending; |
3825 | |
4001 | |
3826 | if (expect_true (pending)) |
4002 | if (ecb_expect_true (pending)) |
3827 | { |
4003 | { |
3828 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4004 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3829 | p->w = (W)&pending_w; |
4005 | p->w = (W)&pending_w; |
3830 | w_->pending = 0; |
4006 | w_->pending = 0; |
3831 | return p->events; |
4007 | return p->events; |
… | |
… | |
3858 | w->active = 0; |
4034 | w->active = 0; |
3859 | } |
4035 | } |
3860 | |
4036 | |
3861 | /*****************************************************************************/ |
4037 | /*****************************************************************************/ |
3862 | |
4038 | |
3863 | noinline |
4039 | ecb_noinline |
3864 | void |
4040 | void |
3865 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
4041 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3866 | { |
4042 | { |
3867 | int fd = w->fd; |
4043 | int fd = w->fd; |
3868 | |
4044 | |
3869 | if (expect_false (ev_is_active (w))) |
4045 | if (ecb_expect_false (ev_is_active (w))) |
3870 | return; |
4046 | return; |
3871 | |
4047 | |
3872 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4048 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3873 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4049 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3874 | |
4050 | |
|
|
4051 | #if EV_VERIFY >= 2 |
|
|
4052 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4053 | #endif |
3875 | EV_FREQUENT_CHECK; |
4054 | EV_FREQUENT_CHECK; |
3876 | |
4055 | |
3877 | ev_start (EV_A_ (W)w, 1); |
4056 | ev_start (EV_A_ (W)w, 1); |
3878 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
4057 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3879 | wlist_add (&anfds[fd].head, (WL)w); |
4058 | wlist_add (&anfds[fd].head, (WL)w); |
3880 | |
4059 | |
3881 | /* common bug, apparently */ |
4060 | /* common bug, apparently */ |
3882 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
4061 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3883 | |
4062 | |
… | |
… | |
3885 | w->events &= ~EV__IOFDSET; |
4064 | w->events &= ~EV__IOFDSET; |
3886 | |
4065 | |
3887 | EV_FREQUENT_CHECK; |
4066 | EV_FREQUENT_CHECK; |
3888 | } |
4067 | } |
3889 | |
4068 | |
3890 | noinline |
4069 | ecb_noinline |
3891 | void |
4070 | void |
3892 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
4071 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3893 | { |
4072 | { |
3894 | clear_pending (EV_A_ (W)w); |
4073 | clear_pending (EV_A_ (W)w); |
3895 | if (expect_false (!ev_is_active (w))) |
4074 | if (ecb_expect_false (!ev_is_active (w))) |
3896 | return; |
4075 | return; |
3897 | |
4076 | |
3898 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4077 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3899 | |
4078 | |
|
|
4079 | #if EV_VERIFY >= 2 |
|
|
4080 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4081 | #endif |
3900 | EV_FREQUENT_CHECK; |
4082 | EV_FREQUENT_CHECK; |
3901 | |
4083 | |
3902 | wlist_del (&anfds[w->fd].head, (WL)w); |
4084 | wlist_del (&anfds[w->fd].head, (WL)w); |
3903 | ev_stop (EV_A_ (W)w); |
4085 | ev_stop (EV_A_ (W)w); |
3904 | |
4086 | |
3905 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4087 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3906 | |
4088 | |
3907 | EV_FREQUENT_CHECK; |
4089 | EV_FREQUENT_CHECK; |
3908 | } |
4090 | } |
3909 | |
4091 | |
3910 | noinline |
4092 | ecb_noinline |
3911 | void |
4093 | void |
3912 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
4094 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3913 | { |
4095 | { |
3914 | if (expect_false (ev_is_active (w))) |
4096 | if (ecb_expect_false (ev_is_active (w))) |
3915 | return; |
4097 | return; |
3916 | |
4098 | |
3917 | ev_at (w) += mn_now; |
4099 | ev_at (w) += mn_now; |
3918 | |
4100 | |
3919 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4101 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3920 | |
4102 | |
3921 | EV_FREQUENT_CHECK; |
4103 | EV_FREQUENT_CHECK; |
3922 | |
4104 | |
3923 | ++timercnt; |
4105 | ++timercnt; |
3924 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
4106 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3925 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
4107 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3926 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
4108 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3927 | ANHE_at_cache (timers [ev_active (w)]); |
4109 | ANHE_at_cache (timers [ev_active (w)]); |
3928 | upheap (timers, ev_active (w)); |
4110 | upheap (timers, ev_active (w)); |
3929 | |
4111 | |
3930 | EV_FREQUENT_CHECK; |
4112 | EV_FREQUENT_CHECK; |
3931 | |
4113 | |
3932 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4114 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3933 | } |
4115 | } |
3934 | |
4116 | |
3935 | noinline |
4117 | ecb_noinline |
3936 | void |
4118 | void |
3937 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
4119 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3938 | { |
4120 | { |
3939 | clear_pending (EV_A_ (W)w); |
4121 | clear_pending (EV_A_ (W)w); |
3940 | if (expect_false (!ev_is_active (w))) |
4122 | if (ecb_expect_false (!ev_is_active (w))) |
3941 | return; |
4123 | return; |
3942 | |
4124 | |
3943 | EV_FREQUENT_CHECK; |
4125 | EV_FREQUENT_CHECK; |
3944 | |
4126 | |
3945 | { |
4127 | { |
… | |
… | |
3947 | |
4129 | |
3948 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4130 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3949 | |
4131 | |
3950 | --timercnt; |
4132 | --timercnt; |
3951 | |
4133 | |
3952 | if (expect_true (active < timercnt + HEAP0)) |
4134 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3953 | { |
4135 | { |
3954 | timers [active] = timers [timercnt + HEAP0]; |
4136 | timers [active] = timers [timercnt + HEAP0]; |
3955 | adjustheap (timers, timercnt, active); |
4137 | adjustheap (timers, timercnt, active); |
3956 | } |
4138 | } |
3957 | } |
4139 | } |
… | |
… | |
3961 | ev_stop (EV_A_ (W)w); |
4143 | ev_stop (EV_A_ (W)w); |
3962 | |
4144 | |
3963 | EV_FREQUENT_CHECK; |
4145 | EV_FREQUENT_CHECK; |
3964 | } |
4146 | } |
3965 | |
4147 | |
3966 | noinline |
4148 | ecb_noinline |
3967 | void |
4149 | void |
3968 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4150 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3969 | { |
4151 | { |
3970 | EV_FREQUENT_CHECK; |
4152 | EV_FREQUENT_CHECK; |
3971 | |
4153 | |
3972 | clear_pending (EV_A_ (W)w); |
4154 | clear_pending (EV_A_ (W)w); |
3973 | |
4155 | |
… | |
… | |
3990 | |
4172 | |
3991 | EV_FREQUENT_CHECK; |
4173 | EV_FREQUENT_CHECK; |
3992 | } |
4174 | } |
3993 | |
4175 | |
3994 | ev_tstamp |
4176 | ev_tstamp |
3995 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4177 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3996 | { |
4178 | { |
3997 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4179 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3998 | } |
4180 | } |
3999 | |
4181 | |
4000 | #if EV_PERIODIC_ENABLE |
4182 | #if EV_PERIODIC_ENABLE |
4001 | noinline |
4183 | ecb_noinline |
4002 | void |
4184 | void |
4003 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4185 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4004 | { |
4186 | { |
4005 | if (expect_false (ev_is_active (w))) |
4187 | if (ecb_expect_false (ev_is_active (w))) |
4006 | return; |
4188 | return; |
4007 | |
4189 | |
4008 | if (w->reschedule_cb) |
4190 | if (w->reschedule_cb) |
4009 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4191 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4010 | else if (w->interval) |
4192 | else if (w->interval) |
… | |
… | |
4017 | |
4199 | |
4018 | EV_FREQUENT_CHECK; |
4200 | EV_FREQUENT_CHECK; |
4019 | |
4201 | |
4020 | ++periodiccnt; |
4202 | ++periodiccnt; |
4021 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4203 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4022 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4204 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4023 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4205 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4024 | ANHE_at_cache (periodics [ev_active (w)]); |
4206 | ANHE_at_cache (periodics [ev_active (w)]); |
4025 | upheap (periodics, ev_active (w)); |
4207 | upheap (periodics, ev_active (w)); |
4026 | |
4208 | |
4027 | EV_FREQUENT_CHECK; |
4209 | EV_FREQUENT_CHECK; |
4028 | |
4210 | |
4029 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4211 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4030 | } |
4212 | } |
4031 | |
4213 | |
4032 | noinline |
4214 | ecb_noinline |
4033 | void |
4215 | void |
4034 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4216 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4035 | { |
4217 | { |
4036 | clear_pending (EV_A_ (W)w); |
4218 | clear_pending (EV_A_ (W)w); |
4037 | if (expect_false (!ev_is_active (w))) |
4219 | if (ecb_expect_false (!ev_is_active (w))) |
4038 | return; |
4220 | return; |
4039 | |
4221 | |
4040 | EV_FREQUENT_CHECK; |
4222 | EV_FREQUENT_CHECK; |
4041 | |
4223 | |
4042 | { |
4224 | { |
… | |
… | |
4044 | |
4226 | |
4045 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4227 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4046 | |
4228 | |
4047 | --periodiccnt; |
4229 | --periodiccnt; |
4048 | |
4230 | |
4049 | if (expect_true (active < periodiccnt + HEAP0)) |
4231 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4050 | { |
4232 | { |
4051 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4233 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4052 | adjustheap (periodics, periodiccnt, active); |
4234 | adjustheap (periodics, periodiccnt, active); |
4053 | } |
4235 | } |
4054 | } |
4236 | } |
… | |
… | |
4056 | ev_stop (EV_A_ (W)w); |
4238 | ev_stop (EV_A_ (W)w); |
4057 | |
4239 | |
4058 | EV_FREQUENT_CHECK; |
4240 | EV_FREQUENT_CHECK; |
4059 | } |
4241 | } |
4060 | |
4242 | |
4061 | noinline |
4243 | ecb_noinline |
4062 | void |
4244 | void |
4063 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4245 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4064 | { |
4246 | { |
4065 | /* TODO: use adjustheap and recalculation */ |
4247 | /* TODO: use adjustheap and recalculation */ |
4066 | ev_periodic_stop (EV_A_ w); |
4248 | ev_periodic_stop (EV_A_ w); |
4067 | ev_periodic_start (EV_A_ w); |
4249 | ev_periodic_start (EV_A_ w); |
4068 | } |
4250 | } |
… | |
… | |
4072 | # define SA_RESTART 0 |
4254 | # define SA_RESTART 0 |
4073 | #endif |
4255 | #endif |
4074 | |
4256 | |
4075 | #if EV_SIGNAL_ENABLE |
4257 | #if EV_SIGNAL_ENABLE |
4076 | |
4258 | |
4077 | noinline |
4259 | ecb_noinline |
4078 | void |
4260 | void |
4079 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4261 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4080 | { |
4262 | { |
4081 | if (expect_false (ev_is_active (w))) |
4263 | if (ecb_expect_false (ev_is_active (w))) |
4082 | return; |
4264 | return; |
4083 | |
4265 | |
4084 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4266 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4085 | |
4267 | |
4086 | #if EV_MULTIPLICITY |
4268 | #if EV_MULTIPLICITY |
… | |
… | |
4155 | } |
4337 | } |
4156 | |
4338 | |
4157 | EV_FREQUENT_CHECK; |
4339 | EV_FREQUENT_CHECK; |
4158 | } |
4340 | } |
4159 | |
4341 | |
4160 | noinline |
4342 | ecb_noinline |
4161 | void |
4343 | void |
4162 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4344 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4163 | { |
4345 | { |
4164 | clear_pending (EV_A_ (W)w); |
4346 | clear_pending (EV_A_ (W)w); |
4165 | if (expect_false (!ev_is_active (w))) |
4347 | if (ecb_expect_false (!ev_is_active (w))) |
4166 | return; |
4348 | return; |
4167 | |
4349 | |
4168 | EV_FREQUENT_CHECK; |
4350 | EV_FREQUENT_CHECK; |
4169 | |
4351 | |
4170 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4352 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4198 | #endif |
4380 | #endif |
4199 | |
4381 | |
4200 | #if EV_CHILD_ENABLE |
4382 | #if EV_CHILD_ENABLE |
4201 | |
4383 | |
4202 | void |
4384 | void |
4203 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4385 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4204 | { |
4386 | { |
4205 | #if EV_MULTIPLICITY |
4387 | #if EV_MULTIPLICITY |
4206 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4388 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4207 | #endif |
4389 | #endif |
4208 | if (expect_false (ev_is_active (w))) |
4390 | if (ecb_expect_false (ev_is_active (w))) |
4209 | return; |
4391 | return; |
4210 | |
4392 | |
4211 | EV_FREQUENT_CHECK; |
4393 | EV_FREQUENT_CHECK; |
4212 | |
4394 | |
4213 | ev_start (EV_A_ (W)w, 1); |
4395 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4215 | |
4397 | |
4216 | EV_FREQUENT_CHECK; |
4398 | EV_FREQUENT_CHECK; |
4217 | } |
4399 | } |
4218 | |
4400 | |
4219 | void |
4401 | void |
4220 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4402 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4221 | { |
4403 | { |
4222 | clear_pending (EV_A_ (W)w); |
4404 | clear_pending (EV_A_ (W)w); |
4223 | if (expect_false (!ev_is_active (w))) |
4405 | if (ecb_expect_false (!ev_is_active (w))) |
4224 | return; |
4406 | return; |
4225 | |
4407 | |
4226 | EV_FREQUENT_CHECK; |
4408 | EV_FREQUENT_CHECK; |
4227 | |
4409 | |
4228 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4410 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4242 | |
4424 | |
4243 | #define DEF_STAT_INTERVAL 5.0074891 |
4425 | #define DEF_STAT_INTERVAL 5.0074891 |
4244 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4426 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4245 | #define MIN_STAT_INTERVAL 0.1074891 |
4427 | #define MIN_STAT_INTERVAL 0.1074891 |
4246 | |
4428 | |
4247 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4429 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4248 | |
4430 | |
4249 | #if EV_USE_INOTIFY |
4431 | #if EV_USE_INOTIFY |
4250 | |
4432 | |
4251 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4433 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4252 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4434 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4253 | |
4435 | |
4254 | noinline |
4436 | ecb_noinline |
4255 | static void |
4437 | static void |
4256 | infy_add (EV_P_ ev_stat *w) |
4438 | infy_add (EV_P_ ev_stat *w) |
4257 | { |
4439 | { |
4258 | w->wd = inotify_add_watch (fs_fd, w->path, |
4440 | w->wd = inotify_add_watch (fs_fd, w->path, |
4259 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4441 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4324 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4506 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4325 | ev_timer_again (EV_A_ &w->timer); |
4507 | ev_timer_again (EV_A_ &w->timer); |
4326 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4508 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4327 | } |
4509 | } |
4328 | |
4510 | |
4329 | noinline |
4511 | ecb_noinline |
4330 | static void |
4512 | static void |
4331 | infy_del (EV_P_ ev_stat *w) |
4513 | infy_del (EV_P_ ev_stat *w) |
4332 | { |
4514 | { |
4333 | int slot; |
4515 | int slot; |
4334 | int wd = w->wd; |
4516 | int wd = w->wd; |
… | |
… | |
4342 | |
4524 | |
4343 | /* remove this watcher, if others are watching it, they will rearm */ |
4525 | /* remove this watcher, if others are watching it, they will rearm */ |
4344 | inotify_rm_watch (fs_fd, wd); |
4526 | inotify_rm_watch (fs_fd, wd); |
4345 | } |
4527 | } |
4346 | |
4528 | |
4347 | noinline |
4529 | ecb_noinline |
4348 | static void |
4530 | static void |
4349 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4531 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4350 | { |
4532 | { |
4351 | if (slot < 0) |
4533 | if (slot < 0) |
4352 | /* overflow, need to check for all hash slots */ |
4534 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4490 | #else |
4672 | #else |
4491 | # define EV_LSTAT(p,b) lstat (p, b) |
4673 | # define EV_LSTAT(p,b) lstat (p, b) |
4492 | #endif |
4674 | #endif |
4493 | |
4675 | |
4494 | void |
4676 | void |
4495 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4677 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4496 | { |
4678 | { |
4497 | if (lstat (w->path, &w->attr) < 0) |
4679 | if (lstat (w->path, &w->attr) < 0) |
4498 | w->attr.st_nlink = 0; |
4680 | w->attr.st_nlink = 0; |
4499 | else if (!w->attr.st_nlink) |
4681 | else if (!w->attr.st_nlink) |
4500 | w->attr.st_nlink = 1; |
4682 | w->attr.st_nlink = 1; |
4501 | } |
4683 | } |
4502 | |
4684 | |
4503 | noinline |
4685 | ecb_noinline |
4504 | static void |
4686 | static void |
4505 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4687 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4506 | { |
4688 | { |
4507 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4689 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4508 | |
4690 | |
… | |
… | |
4540 | ev_feed_event (EV_A_ w, EV_STAT); |
4722 | ev_feed_event (EV_A_ w, EV_STAT); |
4541 | } |
4723 | } |
4542 | } |
4724 | } |
4543 | |
4725 | |
4544 | void |
4726 | void |
4545 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4727 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4546 | { |
4728 | { |
4547 | if (expect_false (ev_is_active (w))) |
4729 | if (ecb_expect_false (ev_is_active (w))) |
4548 | return; |
4730 | return; |
4549 | |
4731 | |
4550 | ev_stat_stat (EV_A_ w); |
4732 | ev_stat_stat (EV_A_ w); |
4551 | |
4733 | |
4552 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4734 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4571 | |
4753 | |
4572 | EV_FREQUENT_CHECK; |
4754 | EV_FREQUENT_CHECK; |
4573 | } |
4755 | } |
4574 | |
4756 | |
4575 | void |
4757 | void |
4576 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4758 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4577 | { |
4759 | { |
4578 | clear_pending (EV_A_ (W)w); |
4760 | clear_pending (EV_A_ (W)w); |
4579 | if (expect_false (!ev_is_active (w))) |
4761 | if (ecb_expect_false (!ev_is_active (w))) |
4580 | return; |
4762 | return; |
4581 | |
4763 | |
4582 | EV_FREQUENT_CHECK; |
4764 | EV_FREQUENT_CHECK; |
4583 | |
4765 | |
4584 | #if EV_USE_INOTIFY |
4766 | #if EV_USE_INOTIFY |
… | |
… | |
4597 | } |
4779 | } |
4598 | #endif |
4780 | #endif |
4599 | |
4781 | |
4600 | #if EV_IDLE_ENABLE |
4782 | #if EV_IDLE_ENABLE |
4601 | void |
4783 | void |
4602 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4784 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4603 | { |
4785 | { |
4604 | if (expect_false (ev_is_active (w))) |
4786 | if (ecb_expect_false (ev_is_active (w))) |
4605 | return; |
4787 | return; |
4606 | |
4788 | |
4607 | pri_adjust (EV_A_ (W)w); |
4789 | pri_adjust (EV_A_ (W)w); |
4608 | |
4790 | |
4609 | EV_FREQUENT_CHECK; |
4791 | EV_FREQUENT_CHECK; |
… | |
… | |
4612 | int active = ++idlecnt [ABSPRI (w)]; |
4794 | int active = ++idlecnt [ABSPRI (w)]; |
4613 | |
4795 | |
4614 | ++idleall; |
4796 | ++idleall; |
4615 | ev_start (EV_A_ (W)w, active); |
4797 | ev_start (EV_A_ (W)w, active); |
4616 | |
4798 | |
4617 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4799 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4618 | idles [ABSPRI (w)][active - 1] = w; |
4800 | idles [ABSPRI (w)][active - 1] = w; |
4619 | } |
4801 | } |
4620 | |
4802 | |
4621 | EV_FREQUENT_CHECK; |
4803 | EV_FREQUENT_CHECK; |
4622 | } |
4804 | } |
4623 | |
4805 | |
4624 | void |
4806 | void |
4625 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4807 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4626 | { |
4808 | { |
4627 | clear_pending (EV_A_ (W)w); |
4809 | clear_pending (EV_A_ (W)w); |
4628 | if (expect_false (!ev_is_active (w))) |
4810 | if (ecb_expect_false (!ev_is_active (w))) |
4629 | return; |
4811 | return; |
4630 | |
4812 | |
4631 | EV_FREQUENT_CHECK; |
4813 | EV_FREQUENT_CHECK; |
4632 | |
4814 | |
4633 | { |
4815 | { |
… | |
… | |
4644 | } |
4826 | } |
4645 | #endif |
4827 | #endif |
4646 | |
4828 | |
4647 | #if EV_PREPARE_ENABLE |
4829 | #if EV_PREPARE_ENABLE |
4648 | void |
4830 | void |
4649 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4831 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4650 | { |
4832 | { |
4651 | if (expect_false (ev_is_active (w))) |
4833 | if (ecb_expect_false (ev_is_active (w))) |
4652 | return; |
4834 | return; |
4653 | |
4835 | |
4654 | EV_FREQUENT_CHECK; |
4836 | EV_FREQUENT_CHECK; |
4655 | |
4837 | |
4656 | ev_start (EV_A_ (W)w, ++preparecnt); |
4838 | ev_start (EV_A_ (W)w, ++preparecnt); |
4657 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4839 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4658 | prepares [preparecnt - 1] = w; |
4840 | prepares [preparecnt - 1] = w; |
4659 | |
4841 | |
4660 | EV_FREQUENT_CHECK; |
4842 | EV_FREQUENT_CHECK; |
4661 | } |
4843 | } |
4662 | |
4844 | |
4663 | void |
4845 | void |
4664 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4846 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4665 | { |
4847 | { |
4666 | clear_pending (EV_A_ (W)w); |
4848 | clear_pending (EV_A_ (W)w); |
4667 | if (expect_false (!ev_is_active (w))) |
4849 | if (ecb_expect_false (!ev_is_active (w))) |
4668 | return; |
4850 | return; |
4669 | |
4851 | |
4670 | EV_FREQUENT_CHECK; |
4852 | EV_FREQUENT_CHECK; |
4671 | |
4853 | |
4672 | { |
4854 | { |
… | |
… | |
4682 | } |
4864 | } |
4683 | #endif |
4865 | #endif |
4684 | |
4866 | |
4685 | #if EV_CHECK_ENABLE |
4867 | #if EV_CHECK_ENABLE |
4686 | void |
4868 | void |
4687 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4869 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4688 | { |
4870 | { |
4689 | if (expect_false (ev_is_active (w))) |
4871 | if (ecb_expect_false (ev_is_active (w))) |
4690 | return; |
4872 | return; |
4691 | |
4873 | |
4692 | EV_FREQUENT_CHECK; |
4874 | EV_FREQUENT_CHECK; |
4693 | |
4875 | |
4694 | ev_start (EV_A_ (W)w, ++checkcnt); |
4876 | ev_start (EV_A_ (W)w, ++checkcnt); |
4695 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4877 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4696 | checks [checkcnt - 1] = w; |
4878 | checks [checkcnt - 1] = w; |
4697 | |
4879 | |
4698 | EV_FREQUENT_CHECK; |
4880 | EV_FREQUENT_CHECK; |
4699 | } |
4881 | } |
4700 | |
4882 | |
4701 | void |
4883 | void |
4702 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4884 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4703 | { |
4885 | { |
4704 | clear_pending (EV_A_ (W)w); |
4886 | clear_pending (EV_A_ (W)w); |
4705 | if (expect_false (!ev_is_active (w))) |
4887 | if (ecb_expect_false (!ev_is_active (w))) |
4706 | return; |
4888 | return; |
4707 | |
4889 | |
4708 | EV_FREQUENT_CHECK; |
4890 | EV_FREQUENT_CHECK; |
4709 | |
4891 | |
4710 | { |
4892 | { |
… | |
… | |
4719 | EV_FREQUENT_CHECK; |
4901 | EV_FREQUENT_CHECK; |
4720 | } |
4902 | } |
4721 | #endif |
4903 | #endif |
4722 | |
4904 | |
4723 | #if EV_EMBED_ENABLE |
4905 | #if EV_EMBED_ENABLE |
4724 | noinline |
4906 | ecb_noinline |
4725 | void |
4907 | void |
4726 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4908 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4727 | { |
4909 | { |
4728 | ev_run (w->other, EVRUN_NOWAIT); |
4910 | ev_run (w->other, EVRUN_NOWAIT); |
4729 | } |
4911 | } |
4730 | |
4912 | |
4731 | static void |
4913 | static void |
… | |
… | |
4779 | ev_idle_stop (EV_A_ idle); |
4961 | ev_idle_stop (EV_A_ idle); |
4780 | } |
4962 | } |
4781 | #endif |
4963 | #endif |
4782 | |
4964 | |
4783 | void |
4965 | void |
4784 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4966 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4785 | { |
4967 | { |
4786 | if (expect_false (ev_is_active (w))) |
4968 | if (ecb_expect_false (ev_is_active (w))) |
4787 | return; |
4969 | return; |
4788 | |
4970 | |
4789 | { |
4971 | { |
4790 | EV_P = w->other; |
4972 | EV_P = w->other; |
4791 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4973 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4810 | |
4992 | |
4811 | EV_FREQUENT_CHECK; |
4993 | EV_FREQUENT_CHECK; |
4812 | } |
4994 | } |
4813 | |
4995 | |
4814 | void |
4996 | void |
4815 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4997 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4816 | { |
4998 | { |
4817 | clear_pending (EV_A_ (W)w); |
4999 | clear_pending (EV_A_ (W)w); |
4818 | if (expect_false (!ev_is_active (w))) |
5000 | if (ecb_expect_false (!ev_is_active (w))) |
4819 | return; |
5001 | return; |
4820 | |
5002 | |
4821 | EV_FREQUENT_CHECK; |
5003 | EV_FREQUENT_CHECK; |
4822 | |
5004 | |
4823 | ev_io_stop (EV_A_ &w->io); |
5005 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4830 | } |
5012 | } |
4831 | #endif |
5013 | #endif |
4832 | |
5014 | |
4833 | #if EV_FORK_ENABLE |
5015 | #if EV_FORK_ENABLE |
4834 | void |
5016 | void |
4835 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
5017 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4836 | { |
5018 | { |
4837 | if (expect_false (ev_is_active (w))) |
5019 | if (ecb_expect_false (ev_is_active (w))) |
4838 | return; |
5020 | return; |
4839 | |
5021 | |
4840 | EV_FREQUENT_CHECK; |
5022 | EV_FREQUENT_CHECK; |
4841 | |
5023 | |
4842 | ev_start (EV_A_ (W)w, ++forkcnt); |
5024 | ev_start (EV_A_ (W)w, ++forkcnt); |
4843 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
5025 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4844 | forks [forkcnt - 1] = w; |
5026 | forks [forkcnt - 1] = w; |
4845 | |
5027 | |
4846 | EV_FREQUENT_CHECK; |
5028 | EV_FREQUENT_CHECK; |
4847 | } |
5029 | } |
4848 | |
5030 | |
4849 | void |
5031 | void |
4850 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
5032 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4851 | { |
5033 | { |
4852 | clear_pending (EV_A_ (W)w); |
5034 | clear_pending (EV_A_ (W)w); |
4853 | if (expect_false (!ev_is_active (w))) |
5035 | if (ecb_expect_false (!ev_is_active (w))) |
4854 | return; |
5036 | return; |
4855 | |
5037 | |
4856 | EV_FREQUENT_CHECK; |
5038 | EV_FREQUENT_CHECK; |
4857 | |
5039 | |
4858 | { |
5040 | { |
… | |
… | |
4868 | } |
5050 | } |
4869 | #endif |
5051 | #endif |
4870 | |
5052 | |
4871 | #if EV_CLEANUP_ENABLE |
5053 | #if EV_CLEANUP_ENABLE |
4872 | void |
5054 | void |
4873 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
5055 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4874 | { |
5056 | { |
4875 | if (expect_false (ev_is_active (w))) |
5057 | if (ecb_expect_false (ev_is_active (w))) |
4876 | return; |
5058 | return; |
4877 | |
5059 | |
4878 | EV_FREQUENT_CHECK; |
5060 | EV_FREQUENT_CHECK; |
4879 | |
5061 | |
4880 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5062 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4881 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
5063 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4882 | cleanups [cleanupcnt - 1] = w; |
5064 | cleanups [cleanupcnt - 1] = w; |
4883 | |
5065 | |
4884 | /* cleanup watchers should never keep a refcount on the loop */ |
5066 | /* cleanup watchers should never keep a refcount on the loop */ |
4885 | ev_unref (EV_A); |
5067 | ev_unref (EV_A); |
4886 | EV_FREQUENT_CHECK; |
5068 | EV_FREQUENT_CHECK; |
4887 | } |
5069 | } |
4888 | |
5070 | |
4889 | void |
5071 | void |
4890 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
5072 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4891 | { |
5073 | { |
4892 | clear_pending (EV_A_ (W)w); |
5074 | clear_pending (EV_A_ (W)w); |
4893 | if (expect_false (!ev_is_active (w))) |
5075 | if (ecb_expect_false (!ev_is_active (w))) |
4894 | return; |
5076 | return; |
4895 | |
5077 | |
4896 | EV_FREQUENT_CHECK; |
5078 | EV_FREQUENT_CHECK; |
4897 | ev_ref (EV_A); |
5079 | ev_ref (EV_A); |
4898 | |
5080 | |
… | |
… | |
4909 | } |
5091 | } |
4910 | #endif |
5092 | #endif |
4911 | |
5093 | |
4912 | #if EV_ASYNC_ENABLE |
5094 | #if EV_ASYNC_ENABLE |
4913 | void |
5095 | void |
4914 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
5096 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4915 | { |
5097 | { |
4916 | if (expect_false (ev_is_active (w))) |
5098 | if (ecb_expect_false (ev_is_active (w))) |
4917 | return; |
5099 | return; |
4918 | |
5100 | |
4919 | w->sent = 0; |
5101 | w->sent = 0; |
4920 | |
5102 | |
4921 | evpipe_init (EV_A); |
5103 | evpipe_init (EV_A); |
4922 | |
5104 | |
4923 | EV_FREQUENT_CHECK; |
5105 | EV_FREQUENT_CHECK; |
4924 | |
5106 | |
4925 | ev_start (EV_A_ (W)w, ++asynccnt); |
5107 | ev_start (EV_A_ (W)w, ++asynccnt); |
4926 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
5108 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4927 | asyncs [asynccnt - 1] = w; |
5109 | asyncs [asynccnt - 1] = w; |
4928 | |
5110 | |
4929 | EV_FREQUENT_CHECK; |
5111 | EV_FREQUENT_CHECK; |
4930 | } |
5112 | } |
4931 | |
5113 | |
4932 | void |
5114 | void |
4933 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
5115 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4934 | { |
5116 | { |
4935 | clear_pending (EV_A_ (W)w); |
5117 | clear_pending (EV_A_ (W)w); |
4936 | if (expect_false (!ev_is_active (w))) |
5118 | if (ecb_expect_false (!ev_is_active (w))) |
4937 | return; |
5119 | return; |
4938 | |
5120 | |
4939 | EV_FREQUENT_CHECK; |
5121 | EV_FREQUENT_CHECK; |
4940 | |
5122 | |
4941 | { |
5123 | { |
… | |
… | |
4949 | |
5131 | |
4950 | EV_FREQUENT_CHECK; |
5132 | EV_FREQUENT_CHECK; |
4951 | } |
5133 | } |
4952 | |
5134 | |
4953 | void |
5135 | void |
4954 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5136 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4955 | { |
5137 | { |
4956 | w->sent = 1; |
5138 | w->sent = 1; |
4957 | evpipe_write (EV_A_ &async_pending); |
5139 | evpipe_write (EV_A_ &async_pending); |
4958 | } |
5140 | } |
4959 | #endif |
5141 | #endif |
… | |
… | |
4996 | |
5178 | |
4997 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5179 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4998 | } |
5180 | } |
4999 | |
5181 | |
5000 | void |
5182 | void |
5001 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5183 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
5002 | { |
5184 | { |
5003 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5185 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5004 | |
|
|
5005 | if (expect_false (!once)) |
|
|
5006 | { |
|
|
5007 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
5008 | return; |
|
|
5009 | } |
|
|
5010 | |
5186 | |
5011 | once->cb = cb; |
5187 | once->cb = cb; |
5012 | once->arg = arg; |
5188 | once->arg = arg; |
5013 | |
5189 | |
5014 | ev_init (&once->io, once_cb_io); |
5190 | ev_init (&once->io, once_cb_io); |
… | |
… | |
5029 | /*****************************************************************************/ |
5205 | /*****************************************************************************/ |
5030 | |
5206 | |
5031 | #if EV_WALK_ENABLE |
5207 | #if EV_WALK_ENABLE |
5032 | ecb_cold |
5208 | ecb_cold |
5033 | void |
5209 | void |
5034 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5210 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
5035 | { |
5211 | { |
5036 | int i, j; |
5212 | int i, j; |
5037 | ev_watcher_list *wl, *wn; |
5213 | ev_watcher_list *wl, *wn; |
5038 | |
5214 | |
5039 | if (types & (EV_IO | EV_EMBED)) |
5215 | if (types & (EV_IO | EV_EMBED)) |