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Comparing libev/ev.c (file contents):
Revision 1.491 by root, Thu Jun 20 23:14:53 2019 UTC vs.
Revision 1.534 by root, Thu Jul 30 00:59:36 2020 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2020 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 *
… …
117# define EV_USE_EPOLL 0 117# define EV_USE_EPOLL 0
118# endif 118# endif
119 119
120# if HAVE_LINUX_AIO_ABI_H 120# if HAVE_LINUX_AIO_ABI_H
121# ifndef EV_USE_LINUXAIO 121# ifndef EV_USE_LINUXAIO
122# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS 122# define EV_USE_LINUXAIO 0 /* was: EV_FEATURE_BACKENDS, always off by default */
123# endif 123# endif
124# else 124# else
125# undef EV_USE_LINUXAIO 125# undef EV_USE_LINUXAIO
126# define EV_USE_LINUXAIO 0 126# define EV_USE_LINUXAIO 0
127# endif 127# endif
128 128
129# if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T
130# ifndef EV_USE_IOURING
131# define EV_USE_IOURING EV_FEATURE_BACKENDS
132# endif
133# else
134# undef EV_USE_IOURING
135# define EV_USE_IOURING 0
136# endif
137
129# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 138# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
130# ifndef EV_USE_KQUEUE 139# ifndef EV_USE_KQUEUE
131# define EV_USE_KQUEUE EV_FEATURE_BACKENDS 140# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
132# endif 141# endif
133# else 142# else
… …
168# endif 177# endif
169# else 178# else
170# undef EV_USE_EVENTFD 179# undef EV_USE_EVENTFD
171# define EV_USE_EVENTFD 0 180# define EV_USE_EVENTFD 0
172# endif 181# endif
173 182
183# if HAVE_SYS_TIMERFD_H
184# ifndef EV_USE_TIMERFD
185# define EV_USE_TIMERFD EV_FEATURE_OS
186# endif
187# else
188# undef EV_USE_TIMERFD
189# define EV_USE_TIMERFD 0
190# endif
191
174#endif 192#endif
175 193
176/* OS X, in its infinite idiocy, actually HARDCODES 194/* OS X, in its infinite idiocy, actually HARDCODES
177 * a limit of 1024 into their select. Where people have brains, 195 * a limit of 1024 into their select. Where people have brains,
178 * OS X engineers apparently have a vacuum. Or maybe they were 196 * OS X engineers apparently have a vacuum. Or maybe they were
… …
325#ifndef EV_USE_PORT 343#ifndef EV_USE_PORT
326# define EV_USE_PORT 0 344# define EV_USE_PORT 0
327#endif 345#endif
328 346
329#ifndef EV_USE_LINUXAIO 347#ifndef EV_USE_LINUXAIO
348# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
349# define EV_USE_LINUXAIO 0 /* was: 1, always off by default */
350# else
330# define EV_USE_LINUXAIO 0 351# define EV_USE_LINUXAIO 0
352# endif
353#endif
354
355#ifndef EV_USE_IOURING
356# if __linux /* later checks might disable again */
357# define EV_USE_IOURING 1
358# else
359# define EV_USE_IOURING 0
360# endif
331#endif 361#endif
332 362
333#ifndef EV_USE_INOTIFY 363#ifndef EV_USE_INOTIFY
334# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 364# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
335# define EV_USE_INOTIFY EV_FEATURE_OS 365# define EV_USE_INOTIFY EV_FEATURE_OS
… …
357#ifndef EV_USE_SIGNALFD 387#ifndef EV_USE_SIGNALFD
358# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 388# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
359# define EV_USE_SIGNALFD EV_FEATURE_OS 389# define EV_USE_SIGNALFD EV_FEATURE_OS
360# else 390# else
361# define EV_USE_SIGNALFD 0 391# define EV_USE_SIGNALFD 0
392# endif
393#endif
394
395#ifndef EV_USE_TIMERFD
396# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8))
397# define EV_USE_TIMERFD EV_FEATURE_OS
398# else
399# define EV_USE_TIMERFD 0
362# endif 400# endif
363#endif 401#endif
364 402
365#if 0 /* debugging */ 403#if 0 /* debugging */
366# define EV_VERIFY 3 404# define EV_VERIFY 3
… …
392/* aix's poll.h seems to cause lots of trouble */ 430/* aix's poll.h seems to cause lots of trouble */
393#ifdef _AIX 431#ifdef _AIX
394/* AIX has a completely broken poll.h header */ 432/* AIX has a completely broken poll.h header */
395# undef EV_USE_POLL 433# undef EV_USE_POLL
396# define EV_USE_POLL 0 434# define EV_USE_POLL 0
397#endif
398
399#if EV_USE_LINUXAIO
400# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
401#endif 435#endif
402 436
403/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 437/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
404/* which makes programs even slower. might work on other unices, too. */ 438/* which makes programs even slower. might work on other unices, too. */
405#if EV_USE_CLOCK_SYSCALL 439#if EV_USE_CLOCK_SYSCALL
406# include <sys/syscall.h> 440# include <sys/syscall.h>
407# ifdef SYS_clock_gettime 441# ifdef SYS_clock_gettime
408# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 442# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
409# undef EV_USE_MONOTONIC 443# undef EV_USE_MONOTONIC
410# define EV_USE_MONOTONIC 1 444# define EV_USE_MONOTONIC 1
445# define EV_NEED_SYSCALL 1
411# else 446# else
412# undef EV_USE_CLOCK_SYSCALL 447# undef EV_USE_CLOCK_SYSCALL
413# define EV_USE_CLOCK_SYSCALL 0 448# define EV_USE_CLOCK_SYSCALL 0
414# endif 449# endif
415#endif 450#endif
… …
427#endif 462#endif
428 463
429#if !EV_STAT_ENABLE 464#if !EV_STAT_ENABLE
430# undef EV_USE_INOTIFY 465# undef EV_USE_INOTIFY
431# define EV_USE_INOTIFY 0 466# define EV_USE_INOTIFY 0
467#endif
468
469#if __linux && EV_USE_IOURING
470# include <linux/version.h>
471# if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
472# undef EV_USE_IOURING
473# define EV_USE_IOURING 0
474# endif
432#endif 475#endif
433 476
434#if !EV_USE_NANOSLEEP 477#if !EV_USE_NANOSLEEP
435/* hp-ux has it in sys/time.h, which we unconditionally include above */ 478/* hp-ux has it in sys/time.h, which we unconditionally include above */
436# if !defined _WIN32 && !defined __hpux 479# if !defined _WIN32 && !defined __hpux
… …
438# endif 481# endif
439#endif 482#endif
440 483
441#if EV_USE_LINUXAIO 484#if EV_USE_LINUXAIO
442# include <sys/syscall.h> 485# include <sys/syscall.h>
443# if !SYS_io_getevents 486# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
487# define EV_NEED_SYSCALL 1
488# else
444# undef EV_USE_LINUXAIO 489# undef EV_USE_LINUXAIO
445# define EV_USE_LINUXAIO 0 490# define EV_USE_LINUXAIO 0
491# endif
492#endif
493
494#if EV_USE_IOURING
495# include <sys/syscall.h>
496# if !SYS_io_uring_register && __linux && !__alpha
497# define SYS_io_uring_setup 425
498# define SYS_io_uring_enter 426
499# define SYS_io_uring_register 427
500# endif
501# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
502# define EV_NEED_SYSCALL 1
503# else
504# undef EV_USE_IOURING
505# define EV_USE_IOURING 0
446# endif 506# endif
447#endif 507#endif
448 508
449#if EV_USE_INOTIFY 509#if EV_USE_INOTIFY
450# include <sys/statfs.h> 510# include <sys/statfs.h>
… …
455# define EV_USE_INOTIFY 0 515# define EV_USE_INOTIFY 0
456# endif 516# endif
457#endif 517#endif
458 518
459#if EV_USE_EVENTFD 519#if EV_USE_EVENTFD
460/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 520/* our minimum requirement is glibc 2.7 which has the stub, but not the full header */
461# include <stdint.h> 521# include <stdint.h>
462# ifndef EFD_NONBLOCK 522# ifndef EFD_NONBLOCK
463# define EFD_NONBLOCK O_NONBLOCK 523# define EFD_NONBLOCK O_NONBLOCK
464# endif 524# endif
465# ifndef EFD_CLOEXEC 525# ifndef EFD_CLOEXEC
… …
471# endif 531# endif
472EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); 532EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
473#endif 533#endif
474 534
475#if EV_USE_SIGNALFD 535#if EV_USE_SIGNALFD
476/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 536/* our minimum requirement is glibc 2.7 which has the stub, but not the full header */
477# include <stdint.h> 537# include <stdint.h>
478# ifndef SFD_NONBLOCK 538# ifndef SFD_NONBLOCK
479# define SFD_NONBLOCK O_NONBLOCK 539# define SFD_NONBLOCK O_NONBLOCK
480# endif 540# endif
481# ifndef SFD_CLOEXEC 541# ifndef SFD_CLOEXEC
… …
483# define SFD_CLOEXEC O_CLOEXEC 543# define SFD_CLOEXEC O_CLOEXEC
484# else 544# else
485# define SFD_CLOEXEC 02000000 545# define SFD_CLOEXEC 02000000
486# endif 546# endif
487# endif 547# endif
488EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); 548EV_CPP (extern "C") int (signalfd) (int fd, const sigset_t *mask, int flags);
489 549
490struct signalfd_siginfo 550struct signalfd_siginfo
491{ 551{
492 uint32_t ssi_signo; 552 uint32_t ssi_signo;
493 char pad[128 - sizeof (uint32_t)]; 553 char pad[128 - sizeof (uint32_t)];
494}; 554};
495#endif 555#endif
496 556
497/**/ 557/* for timerfd, libev core requires TFD_TIMER_CANCEL_ON_SET &c */
558#if EV_USE_TIMERFD
559# include <sys/timerfd.h>
560/* timerfd is only used for periodics */
561# if !(defined (TFD_TIMER_CANCEL_ON_SET) && defined (TFD_CLOEXEC) && defined (TFD_NONBLOCK)) || !EV_PERIODIC_ENABLE
562# undef EV_USE_TIMERFD
563# define EV_USE_TIMERFD 0
564# endif
565#endif
566
567/*****************************************************************************/
498 568
499#if EV_VERIFY >= 3 569#if EV_VERIFY >= 3
500# define EV_FREQUENT_CHECK ev_verify (EV_A) 570# define EV_FREQUENT_CHECK ev_verify (EV_A)
501#else 571#else
502# define EV_FREQUENT_CHECK do { } while (0) 572# define EV_FREQUENT_CHECK do { } while (0)
… …
507 * This value is good at least till the year 4000. 577 * This value is good at least till the year 4000.
508 */ 578 */
509#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ 579#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
510/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ 580/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
511 581
512#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 582#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
513#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 583#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
584#define MAX_BLOCKTIME2 1500001.07 /* same, but when timerfd is used to detect jumps, also safe delay to not overflow */
514 585
586/* find a portable timestamp that is "always" in the future but fits into time_t.
587 * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
588 * and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
589#define EV_TSTAMP_HUGE \
590 (sizeof (time_t) >= 8 ? 10000000000000. \
591 : 0 < (time_t)4294967295 ? 4294967295. \
592 : 2147483647.) \
593
594#ifndef EV_TS_CONST
595# define EV_TS_CONST(nv) nv
596# define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999
597# define EV_TS_FROM_USEC(us) us * 1e-6
515#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 598# define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
516#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) 599# define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
600# define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6)
601# define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9)
602#endif
517 603
518/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 604/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
519/* ECB.H BEGIN */ 605/* ECB.H BEGIN */
520/* 606/*
521 * libecb - http://software.schmorp.de/pkg/libecb 607 * libecb - http://software.schmorp.de/pkg/libecb
522 * 608 *
523 * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> 609 * Copyright (©) 2009-2015,2018-2020 Marc Alexander Lehmann <libecb@schmorp.de>
524 * Copyright (©) 2011 Emanuele Giaquinta 610 * Copyright (©) 2011 Emanuele Giaquinta
525 * All rights reserved. 611 * All rights reserved.
526 * 612 *
527 * Redistribution and use in source and binary forms, with or without modifica- 613 * Redistribution and use in source and binary forms, with or without modifica-
528 * tion, are permitted provided that the following conditions are met: 614 * tion, are permitted provided that the following conditions are met:
… …
559 645
560#ifndef ECB_H 646#ifndef ECB_H
561#define ECB_H 647#define ECB_H
562 648
563/* 16 bits major, 16 bits minor */ 649/* 16 bits major, 16 bits minor */
564#define ECB_VERSION 0x00010005 650#define ECB_VERSION 0x00010008
565 651
566#ifdef _WIN32 652#include <string.h> /* for memcpy */
653
654#if defined (_WIN32) && !defined (__MINGW32__)
567 typedef signed char int8_t; 655 typedef signed char int8_t;
568 typedef unsigned char uint8_t; 656 typedef unsigned char uint8_t;
657 typedef signed char int_fast8_t;
658 typedef unsigned char uint_fast8_t;
569 typedef signed short int16_t; 659 typedef signed short int16_t;
570 typedef unsigned short uint16_t; 660 typedef unsigned short uint16_t;
661 typedef signed int int_fast16_t;
662 typedef unsigned int uint_fast16_t;
571 typedef signed int int32_t; 663 typedef signed int int32_t;
572 typedef unsigned int uint32_t; 664 typedef unsigned int uint32_t;
665 typedef signed int int_fast32_t;
666 typedef unsigned int uint_fast32_t;
573 #if __GNUC__ 667 #if __GNUC__
574 typedef signed long long int64_t; 668 typedef signed long long int64_t;
575 typedef unsigned long long uint64_t; 669 typedef unsigned long long uint64_t;
576 #else /* _MSC_VER || __BORLANDC__ */ 670 #else /* _MSC_VER || __BORLANDC__ */
577 typedef signed __int64 int64_t; 671 typedef signed __int64 int64_t;
578 typedef unsigned __int64 uint64_t; 672 typedef unsigned __int64 uint64_t;
579 #endif 673 #endif
674 typedef int64_t int_fast64_t;
675 typedef uint64_t uint_fast64_t;
580 #ifdef _WIN64 676 #ifdef _WIN64
581 #define ECB_PTRSIZE 8 677 #define ECB_PTRSIZE 8
582 typedef uint64_t uintptr_t; 678 typedef uint64_t uintptr_t;
583 typedef int64_t intptr_t; 679 typedef int64_t intptr_t;
584 #else 680 #else
… …
596#endif 692#endif
597 693
598#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) 694#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
599#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) 695#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
600 696
697#ifndef ECB_OPTIMIZE_SIZE
698 #if __OPTIMIZE_SIZE__
699 #define ECB_OPTIMIZE_SIZE 1
700 #else
701 #define ECB_OPTIMIZE_SIZE 0
702 #endif
703#endif
704
601/* work around x32 idiocy by defining proper macros */ 705/* work around x32 idiocy by defining proper macros */
602#if ECB_GCC_AMD64 || ECB_MSVC_AMD64 706#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
603 #if _ILP32 707 #if _ILP32
604 #define ECB_AMD64_X32 1 708 #define ECB_AMD64_X32 1
605 #else 709 #else
… …
683 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ 787 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
684#endif 788#endif
685 789
686#ifndef ECB_MEMORY_FENCE 790#ifndef ECB_MEMORY_FENCE
687 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 791 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
792 #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
688 #if __i386 || __i386__ 793 #if __i386 || __i386__
689 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 794 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
690 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 795 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
691 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") 796 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
692 #elif ECB_GCC_AMD64 797 #elif ECB_GCC_AMD64
… …
742 #if ECB_GCC_VERSION(4,7) 847 #if ECB_GCC_VERSION(4,7)
743 /* see comment below (stdatomic.h) about the C11 memory model. */ 848 /* see comment below (stdatomic.h) about the C11 memory model. */
744 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 849 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
745 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 850 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
746 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) 851 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
852 #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
747 853
748 #elif ECB_CLANG_EXTENSION(c_atomic) 854 #elif ECB_CLANG_EXTENSION(c_atomic)
749 /* see comment below (stdatomic.h) about the C11 memory model. */ 855 /* see comment below (stdatomic.h) about the C11 memory model. */
750 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 856 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
751 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 857 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
752 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) 858 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
859 #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
753 860
754 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 861 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
755 #define ECB_MEMORY_FENCE __sync_synchronize () 862 #define ECB_MEMORY_FENCE __sync_synchronize ()
756 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 863 #elif _MSC_VER >= 1500 /* VC++ 2008 */
757 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ 864 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
… …
767 #elif defined _WIN32 874 #elif defined _WIN32
768 #include <WinNT.h> 875 #include <WinNT.h>
769 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 876 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
770 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 877 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
771 #include <mbarrier.h> 878 #include <mbarrier.h>
772 #define ECB_MEMORY_FENCE __machine_rw_barrier () 879 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
773 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 880 #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
774 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 881 #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
882 #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
775 #elif __xlC__ 883 #elif __xlC__
776 #define ECB_MEMORY_FENCE __sync () 884 #define ECB_MEMORY_FENCE __sync ()
777 #endif 885 #endif
778#endif 886#endif
779 887
780#ifndef ECB_MEMORY_FENCE 888#ifndef ECB_MEMORY_FENCE
781 #if ECB_C11 && !defined __STDC_NO_ATOMICS__ 889 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
782 /* we assume that these memory fences work on all variables/all memory accesses, */ 890 /* we assume that these memory fences work on all variables/all memory accesses, */
783 /* not just C11 atomics and atomic accesses */ 891 /* not just C11 atomics and atomic accesses */
784 #include <stdatomic.h> 892 #include <stdatomic.h>
785 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
786 /* any fence other than seq_cst, which isn't very efficient for us. */
787 /* Why that is, we don't know - either the C11 memory model is quite useless */
788 /* for most usages, or gcc and clang have a bug */
789 /* I *currently* lean towards the latter, and inefficiently implement */
790 /* all three of ecb's fences as a seq_cst fence */
791 /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
792 /* for all __atomic_thread_fence's except seq_cst */
793 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) 893 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
894 #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
895 #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
794 #endif 896 #endif
795#endif 897#endif
796 898
797#ifndef ECB_MEMORY_FENCE 899#ifndef ECB_MEMORY_FENCE
798 #if !ECB_AVOID_PTHREADS 900 #if !ECB_AVOID_PTHREADS
… …
816 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 918 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
817#endif 919#endif
818 920
819#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE 921#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
820 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 922 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
923#endif
924
925#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
926 #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
821#endif 927#endif
822 928
823/*****************************************************************************/ 929/*****************************************************************************/
824 930
825#if ECB_CPP 931#if ECB_CPP
… …
1109ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } 1215ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
1110ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } 1216ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
1111ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } 1217ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
1112ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } 1218ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
1113 1219
1220#if ECB_CPP
1221
1222inline uint8_t ecb_ctz (uint8_t v) { return ecb_ctz32 (v); }
1223inline uint16_t ecb_ctz (uint16_t v) { return ecb_ctz32 (v); }
1224inline uint32_t ecb_ctz (uint32_t v) { return ecb_ctz32 (v); }
1225inline uint64_t ecb_ctz (uint64_t v) { return ecb_ctz64 (v); }
1226
1227inline bool ecb_is_pot (uint8_t v) { return ecb_is_pot32 (v); }
1228inline bool ecb_is_pot (uint16_t v) { return ecb_is_pot32 (v); }
1229inline bool ecb_is_pot (uint32_t v) { return ecb_is_pot32 (v); }
1230inline bool ecb_is_pot (uint64_t v) { return ecb_is_pot64 (v); }
1231
1232inline int ecb_ld (uint8_t v) { return ecb_ld32 (v); }
1233inline int ecb_ld (uint16_t v) { return ecb_ld32 (v); }
1234inline int ecb_ld (uint32_t v) { return ecb_ld32 (v); }
1235inline int ecb_ld (uint64_t v) { return ecb_ld64 (v); }
1236
1237inline int ecb_popcount (uint8_t v) { return ecb_popcount32 (v); }
1238inline int ecb_popcount (uint16_t v) { return ecb_popcount32 (v); }
1239inline int ecb_popcount (uint32_t v) { return ecb_popcount32 (v); }
1240inline int ecb_popcount (uint64_t v) { return ecb_popcount64 (v); }
1241
1242inline uint8_t ecb_bitrev (uint8_t v) { return ecb_bitrev8 (v); }
1243inline uint16_t ecb_bitrev (uint16_t v) { return ecb_bitrev16 (v); }
1244inline uint32_t ecb_bitrev (uint32_t v) { return ecb_bitrev32 (v); }
1245
1246inline uint8_t ecb_rotl (uint8_t v, unsigned int count) { return ecb_rotl8 (v, count); }
1247inline uint16_t ecb_rotl (uint16_t v, unsigned int count) { return ecb_rotl16 (v, count); }
1248inline uint32_t ecb_rotl (uint32_t v, unsigned int count) { return ecb_rotl32 (v, count); }
1249inline uint64_t ecb_rotl (uint64_t v, unsigned int count) { return ecb_rotl64 (v, count); }
1250
1251inline uint8_t ecb_rotr (uint8_t v, unsigned int count) { return ecb_rotr8 (v, count); }
1252inline uint16_t ecb_rotr (uint16_t v, unsigned int count) { return ecb_rotr16 (v, count); }
1253inline uint32_t ecb_rotr (uint32_t v, unsigned int count) { return ecb_rotr32 (v, count); }
1254inline uint64_t ecb_rotr (uint64_t v, unsigned int count) { return ecb_rotr64 (v, count); }
1255
1256#endif
1257
1114#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) 1258#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
1115 #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) 1259 #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
1116 #define ecb_bswap16(x) __builtin_bswap16 (x) 1260 #define ecb_bswap16(x) __builtin_bswap16 (x)
1117 #else 1261 #else
1118 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) 1262 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
… …
1189ecb_inline ecb_const ecb_bool ecb_big_endian (void); 1333ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1190ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } 1334ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1191ecb_inline ecb_const ecb_bool ecb_little_endian (void); 1335ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1192ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } 1336ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1193 1337
1338/*****************************************************************************/
1339/* unaligned load/store */
1340
1341ecb_inline uint_fast16_t ecb_be_u16_to_host (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; }
1342ecb_inline uint_fast32_t ecb_be_u32_to_host (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; }
1343ecb_inline uint_fast64_t ecb_be_u64_to_host (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; }
1344
1345ecb_inline uint_fast16_t ecb_le_u16_to_host (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; }
1346ecb_inline uint_fast32_t ecb_le_u32_to_host (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; }
1347ecb_inline uint_fast64_t ecb_le_u64_to_host (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; }
1348
1349ecb_inline uint_fast16_t ecb_peek_u16_u (const void *ptr) { uint16_t v; memcpy (&v, ptr, sizeof (v)); return v; }
1350ecb_inline uint_fast32_t ecb_peek_u32_u (const void *ptr) { uint32_t v; memcpy (&v, ptr, sizeof (v)); return v; }
1351ecb_inline uint_fast64_t ecb_peek_u64_u (const void *ptr) { uint64_t v; memcpy (&v, ptr, sizeof (v)); return v; }
1352
1353ecb_inline uint_fast16_t ecb_peek_be_u16_u (const void *ptr) { return ecb_be_u16_to_host (ecb_peek_u16_u (ptr)); }
1354ecb_inline uint_fast32_t ecb_peek_be_u32_u (const void *ptr) { return ecb_be_u32_to_host (ecb_peek_u32_u (ptr)); }
1355ecb_inline uint_fast64_t ecb_peek_be_u64_u (const void *ptr) { return ecb_be_u64_to_host (ecb_peek_u64_u (ptr)); }
1356
1357ecb_inline uint_fast16_t ecb_peek_le_u16_u (const void *ptr) { return ecb_le_u16_to_host (ecb_peek_u16_u (ptr)); }
1358ecb_inline uint_fast32_t ecb_peek_le_u32_u (const void *ptr) { return ecb_le_u32_to_host (ecb_peek_u32_u (ptr)); }
1359ecb_inline uint_fast64_t ecb_peek_le_u64_u (const void *ptr) { return ecb_le_u64_to_host (ecb_peek_u64_u (ptr)); }
1360
1361ecb_inline uint_fast16_t ecb_host_to_be_u16 (uint_fast16_t v) { return ecb_little_endian () ? ecb_bswap16 (v) : v; }
1362ecb_inline uint_fast32_t ecb_host_to_be_u32 (uint_fast32_t v) { return ecb_little_endian () ? ecb_bswap32 (v) : v; }
1363ecb_inline uint_fast64_t ecb_host_to_be_u64 (uint_fast64_t v) { return ecb_little_endian () ? ecb_bswap64 (v) : v; }
1364
1365ecb_inline uint_fast16_t ecb_host_to_le_u16 (uint_fast16_t v) { return ecb_big_endian () ? ecb_bswap16 (v) : v; }
1366ecb_inline uint_fast32_t ecb_host_to_le_u32 (uint_fast32_t v) { return ecb_big_endian () ? ecb_bswap32 (v) : v; }
1367ecb_inline uint_fast64_t ecb_host_to_le_u64 (uint_fast64_t v) { return ecb_big_endian () ? ecb_bswap64 (v) : v; }
1368
1369ecb_inline void ecb_poke_u16_u (void *ptr, uint16_t v) { memcpy (ptr, &v, sizeof (v)); }
1370ecb_inline void ecb_poke_u32_u (void *ptr, uint32_t v) { memcpy (ptr, &v, sizeof (v)); }
1371ecb_inline void ecb_poke_u64_u (void *ptr, uint64_t v) { memcpy (ptr, &v, sizeof (v)); }
1372
1373ecb_inline void ecb_poke_be_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_be_u16 (v)); }
1374ecb_inline void ecb_poke_be_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_be_u32 (v)); }
1375ecb_inline void ecb_poke_be_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_be_u64 (v)); }
1376
1377ecb_inline void ecb_poke_le_u16_u (void *ptr, uint_fast16_t v) { ecb_poke_u16_u (ptr, ecb_host_to_le_u16 (v)); }
1378ecb_inline void ecb_poke_le_u32_u (void *ptr, uint_fast32_t v) { ecb_poke_u32_u (ptr, ecb_host_to_le_u32 (v)); }
1379ecb_inline void ecb_poke_le_u64_u (void *ptr, uint_fast64_t v) { ecb_poke_u64_u (ptr, ecb_host_to_le_u64 (v)); }
1380
1381#if ECB_CPP
1382
1383inline uint8_t ecb_bswap (uint8_t v) { return v; }
1384inline uint16_t ecb_bswap (uint16_t v) { return ecb_bswap16 (v); }
1385inline uint32_t ecb_bswap (uint32_t v) { return ecb_bswap32 (v); }
1386inline uint64_t ecb_bswap (uint64_t v) { return ecb_bswap64 (v); }
1387
1388template<typename T> inline T ecb_be_to_host (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; }
1389template<typename T> inline T ecb_le_to_host (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; }
1390template<typename T> inline T ecb_peek (const void *ptr) { return *(const T *)ptr; }
1391template<typename T> inline T ecb_peek_be (const void *ptr) { return ecb_be_to_host (ecb_peek <T> (ptr)); }
1392template<typename T> inline T ecb_peek_le (const void *ptr) { return ecb_le_to_host (ecb_peek <T> (ptr)); }
1393template<typename T> inline T ecb_peek_u (const void *ptr) { T v; memcpy (&v, ptr, sizeof (v)); return v; }
1394template<typename T> inline T ecb_peek_be_u (const void *ptr) { return ecb_be_to_host (ecb_peek_u<T> (ptr)); }
1395template<typename T> inline T ecb_peek_le_u (const void *ptr) { return ecb_le_to_host (ecb_peek_u<T> (ptr)); }
1396
1397template<typename T> inline T ecb_host_to_be (T v) { return ecb_little_endian () ? ecb_bswap (v) : v; }
1398template<typename T> inline T ecb_host_to_le (T v) { return ecb_big_endian () ? ecb_bswap (v) : v; }
1399template<typename T> inline void ecb_poke (void *ptr, T v) { *(T *)ptr = v; }
1400template<typename T> inline void ecb_poke_be (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_be (v)); }
1401template<typename T> inline void ecb_poke_le (void *ptr, T v) { return ecb_poke <T> (ptr, ecb_host_to_le (v)); }
1402template<typename T> inline void ecb_poke_u (void *ptr, T v) { memcpy (ptr, &v, sizeof (v)); }
1403template<typename T> inline void ecb_poke_be_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_be (v)); }
1404template<typename T> inline void ecb_poke_le_u (void *ptr, T v) { return ecb_poke_u<T> (ptr, ecb_host_to_le (v)); }
1405
1406#endif
1407
1408/*****************************************************************************/
1409
1194#if ECB_GCC_VERSION(3,0) || ECB_C99 1410#if ECB_GCC_VERSION(3,0) || ECB_C99
1195 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 1411 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1196#else 1412#else
1197 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 1413 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1198#endif 1414#endif
… …
1221 return N; 1437 return N;
1222 } 1438 }
1223#else 1439#else
1224 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) 1440 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1225#endif 1441#endif
1442
1443/*****************************************************************************/
1226 1444
1227ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); 1445ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
1228ecb_function_ ecb_const uint32_t 1446ecb_function_ ecb_const uint32_t
1229ecb_binary16_to_binary32 (uint32_t x) 1447ecb_binary16_to_binary32 (uint32_t x)
1230{ 1448{
… …
1339 || defined __sh__ \ 1557 || defined __sh__ \
1340 || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ 1558 || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1341 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ 1559 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1342 || defined __aarch64__ 1560 || defined __aarch64__
1343 #define ECB_STDFP 1 1561 #define ECB_STDFP 1
1344 #include <string.h> /* for memcpy */
1345#else 1562#else
1346 #define ECB_STDFP 0 1563 #define ECB_STDFP 0
1347#endif 1564#endif
1348 1565
1349#ifndef ECB_NO_LIBM 1566#ifndef ECB_NO_LIBM
… …
1534/* ECB.H END */ 1751/* ECB.H END */
1535 1752
1536#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 1753#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1537/* if your architecture doesn't need memory fences, e.g. because it is 1754/* if your architecture doesn't need memory fences, e.g. because it is
1538 * single-cpu/core, or if you use libev in a project that doesn't use libev 1755 * single-cpu/core, or if you use libev in a project that doesn't use libev
1539 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 1756 * from multiple threads, then you can define ECB_NO_THREADS when compiling
1540 * libev, in which cases the memory fences become nops. 1757 * libev, in which cases the memory fences become nops.
1541 * alternatively, you can remove this #error and link against libpthread, 1758 * alternatively, you can remove this #error and link against libpthread,
1542 * which will then provide the memory fences. 1759 * which will then provide the memory fences.
1543 */ 1760 */
1544# error "memory fences not defined for your architecture, please report" 1761# error "memory fences not defined for your architecture, please report"
… …
1548# define ECB_MEMORY_FENCE do { } while (0) 1765# define ECB_MEMORY_FENCE do { } while (0)
1549# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 1766# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1550# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 1767# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1551#endif 1768#endif
1552 1769
1553#define expect_false(cond) ecb_expect_false (cond)
1554#define expect_true(cond) ecb_expect_true (cond)
1555#define noinline ecb_noinline
1556
1557#define inline_size ecb_inline 1770#define inline_size ecb_inline
1558 1771
1559#if EV_FEATURE_CODE 1772#if EV_FEATURE_CODE
1560# define inline_speed ecb_inline 1773# define inline_speed ecb_inline
1561#else 1774#else
1562# define inline_speed noinline static 1775# define inline_speed ecb_noinline static
1563#endif 1776#endif
1777
1778/*****************************************************************************/
1779/* raw syscall wrappers */
1780
1781#if EV_NEED_SYSCALL
1782
1783#include <sys/syscall.h>
1784
1785/*
1786 * define some syscall wrappers for common architectures
1787 * this is mostly for nice looks during debugging, not performance.
1788 * our syscalls return < 0, not == -1, on error. which is good
1789 * enough for linux aio.
1790 * TODO: arm is also common nowadays, maybe even mips and x86
1791 * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
1792 */
1793#if __GNUC__ && __linux && ECB_AMD64 && !EV_FEATURE_CODE
1794 /* the costly errno access probably kills this for size optimisation */
1795
1796 #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
1797 ({ \
1798 long res; \
1799 register unsigned long r6 __asm__ ("r9" ); \
1800 register unsigned long r5 __asm__ ("r8" ); \
1801 register unsigned long r4 __asm__ ("r10"); \
1802 register unsigned long r3 __asm__ ("rdx"); \
1803 register unsigned long r2 __asm__ ("rsi"); \
1804 register unsigned long r1 __asm__ ("rdi"); \
1805 if (narg >= 6) r6 = (unsigned long)(arg6); \
1806 if (narg >= 5) r5 = (unsigned long)(arg5); \
1807 if (narg >= 4) r4 = (unsigned long)(arg4); \
1808 if (narg >= 3) r3 = (unsigned long)(arg3); \
1809 if (narg >= 2) r2 = (unsigned long)(arg2); \
1810 if (narg >= 1) r1 = (unsigned long)(arg1); \
1811 __asm__ __volatile__ ( \
1812 "syscall\n\t" \
1813 : "=a" (res) \
1814 : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
1815 : "cc", "r11", "cx", "memory"); \
1816 errno = -res; \
1817 res; \
1818 })
1819
1820#endif
1821
1822#ifdef ev_syscall
1823 #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
1824 #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
1825 #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
1826 #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
1827 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
1828 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
1829 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
1830#else
1831 #define ev_syscall0(nr) syscall (nr)
1832 #define ev_syscall1(nr,arg1) syscall (nr, arg1)
1833 #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
1834 #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
1835 #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
1836 #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
1837 #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
1838#endif
1839
1840#endif
1841
1842/*****************************************************************************/
1564 1843
1565#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1844#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1566 1845
1567#if EV_MINPRI == EV_MAXPRI 1846#if EV_MINPRI == EV_MAXPRI
1568# define ABSPRI(w) (((W)w), 0) 1847# define ABSPRI(w) (((W)w), 0)
… …
1603# include "ev_win32.c" 1882# include "ev_win32.c"
1604#endif 1883#endif
1605 1884
1606/*****************************************************************************/ 1885/*****************************************************************************/
1607 1886
1887#if EV_USE_LINUXAIO
1888# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
1889#endif
1890
1608/* define a suitable floor function (only used by periodics atm) */ 1891/* define a suitable floor function (only used by periodics atm) */
1609 1892
1610#if EV_USE_FLOOR 1893#if EV_USE_FLOOR
1611# include <math.h> 1894# include <math.h>
1612# define ev_floor(v) floor (v) 1895# define ev_floor(v) floor (v)
1613#else 1896#else
1614 1897
1615#include <float.h> 1898#include <float.h>
1616 1899
1617/* a floor() replacement function, should be independent of ev_tstamp type */ 1900/* a floor() replacement function, should be independent of ev_tstamp type */
1618noinline 1901ecb_noinline
1619static ev_tstamp 1902static ev_tstamp
1620ev_floor (ev_tstamp v) 1903ev_floor (ev_tstamp v)
1621{ 1904{
1622 /* the choice of shift factor is not terribly important */ 1905 /* the choice of shift factor is not terribly important */
1623#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1906#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1624 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1907 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1625#else 1908#else
1626 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; 1909 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1627#endif 1910#endif
1628 1911
1912 /* special treatment for negative arguments */
1913 if (ecb_expect_false (v < 0.))
1914 {
1915 ev_tstamp f = -ev_floor (-v);
1916
1917 return f - (f == v ? 0 : 1);
1918 }
1919
1629 /* argument too large for an unsigned long? */ 1920 /* argument too large for an unsigned long? then reduce it */
1630 if (expect_false (v >= shift)) 1921 if (ecb_expect_false (v >= shift))
1631 { 1922 {
1632 ev_tstamp f; 1923 ev_tstamp f;
1633 1924
1634 if (v == v - 1.) 1925 if (v == v - 1.)
1635 return v; /* very large number */ 1926 return v; /* very large numbers are assumed to be integer */
1636 1927
1637 f = shift * ev_floor (v * (1. / shift)); 1928 f = shift * ev_floor (v * (1. / shift));
1638 return f + ev_floor (v - f); 1929 return f + ev_floor (v - f);
1639 } 1930 }
1640 1931
1641 /* special treatment for negative args? */
1642 if (expect_false (v < 0.))
1643 {
1644 ev_tstamp f = -ev_floor (-v);
1645
1646 return f - (f == v ? 0 : 1);
1647 }
1648
1649 /* fits into an unsigned long */ 1932 /* fits into an unsigned long */
1650 return (unsigned long)v; 1933 return (unsigned long)v;
1651} 1934}
1652 1935
1653#endif 1936#endif
… …
1656 1939
1657#ifdef __linux 1940#ifdef __linux
1658# include <sys/utsname.h> 1941# include <sys/utsname.h>
1659#endif 1942#endif
1660 1943
1661noinline ecb_cold 1944ecb_noinline ecb_cold
1662static unsigned int 1945static unsigned int
1663ev_linux_version (void) 1946ev_linux_version (void)
1664{ 1947{
1665#ifdef __linux 1948#ifdef __linux
1666 unsigned int v = 0; 1949 unsigned int v = 0;
… …
1696} 1979}
1697 1980
1698/*****************************************************************************/ 1981/*****************************************************************************/
1699 1982
1700#if EV_AVOID_STDIO 1983#if EV_AVOID_STDIO
1701noinline ecb_cold 1984ecb_noinline ecb_cold
1702static void 1985static void
1703ev_printerr (const char *msg) 1986ev_printerr (const char *msg)
1704{ 1987{
1705 write (STDERR_FILENO, msg, strlen (msg)); 1988 write (STDERR_FILENO, msg, strlen (msg));
1706} 1989}
… …
1713ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT 1996ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1714{ 1997{
1715 syserr_cb = cb; 1998 syserr_cb = cb;
1716} 1999}
1717 2000
1718noinline ecb_cold 2001ecb_noinline ecb_cold
1719static void 2002static void
1720ev_syserr (const char *msg) 2003ev_syserr (const char *msg)
1721{ 2004{
1722 if (!msg) 2005 if (!msg)
1723 msg = "(libev) system error"; 2006 msg = "(libev) system error";
… …
1795{ 2078{
1796 WL head; 2079 WL head;
1797 unsigned char events; /* the events watched for */ 2080 unsigned char events; /* the events watched for */
1798 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ 2081 unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1799 unsigned char emask; /* some backends store the actual kernel mask in here */ 2082 unsigned char emask; /* some backends store the actual kernel mask in here */
1800 unsigned char unused; 2083 unsigned char eflags; /* flags field for use by backends */
1801#if EV_USE_EPOLL 2084#if EV_USE_EPOLL
1802 unsigned int egen; /* generation counter to counter epoll bugs */ 2085 unsigned int egen; /* generation counter to counter epoll bugs */
1803#endif 2086#endif
1804#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 2087#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1805 SOCKET handle; 2088 SOCKET handle;
… …
1859 static struct ev_loop default_loop_struct; 2142 static struct ev_loop default_loop_struct;
1860 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ 2143 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1861 2144
1862#else 2145#else
1863 2146
1864 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ 2147 EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */
1865 #define VAR(name,decl) static decl; 2148 #define VAR(name,decl) static decl;
1866 #include "ev_vars.h" 2149 #include "ev_vars.h"
1867 #undef VAR 2150 #undef VAR
1868 2151
1869 static int ev_default_loop_ptr; 2152 static int ev_default_loop_ptr;
1870 2153
1871#endif 2154#endif
1872 2155
1873#if EV_FEATURE_API 2156#if EV_FEATURE_API
1874# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 2157# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1875# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 2158# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1876# define EV_INVOKE_PENDING invoke_cb (EV_A) 2159# define EV_INVOKE_PENDING invoke_cb (EV_A)
1877#else 2160#else
1878# define EV_RELEASE_CB (void)0 2161# define EV_RELEASE_CB (void)0
1879# define EV_ACQUIRE_CB (void)0 2162# define EV_ACQUIRE_CB (void)0
1880# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 2163# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
… …
1887#ifndef EV_HAVE_EV_TIME 2170#ifndef EV_HAVE_EV_TIME
1888ev_tstamp 2171ev_tstamp
1889ev_time (void) EV_NOEXCEPT 2172ev_time (void) EV_NOEXCEPT
1890{ 2173{
1891#if EV_USE_REALTIME 2174#if EV_USE_REALTIME
1892 if (expect_true (have_realtime)) 2175 if (ecb_expect_true (have_realtime))
1893 { 2176 {
1894 struct timespec ts; 2177 struct timespec ts;
1895 clock_gettime (CLOCK_REALTIME, &ts); 2178 clock_gettime (CLOCK_REALTIME, &ts);
1896 return ts.tv_sec + ts.tv_nsec * 1e-9; 2179 return EV_TS_GET (ts);
1897 } 2180 }
1898#endif 2181#endif
1899 2182
2183 {
1900 struct timeval tv; 2184 struct timeval tv;
1901 gettimeofday (&tv, 0); 2185 gettimeofday (&tv, 0);
1902 return tv.tv_sec + tv.tv_usec * 1e-6; 2186 return EV_TV_GET (tv);
2187 }
1903} 2188}
1904#endif 2189#endif
1905 2190
1906inline_size ev_tstamp 2191inline_size ev_tstamp
1907get_clock (void) 2192get_clock (void)
1908{ 2193{
1909#if EV_USE_MONOTONIC 2194#if EV_USE_MONOTONIC
1910 if (expect_true (have_monotonic)) 2195 if (ecb_expect_true (have_monotonic))
1911 { 2196 {
1912 struct timespec ts; 2197 struct timespec ts;
1913 clock_gettime (CLOCK_MONOTONIC, &ts); 2198 clock_gettime (CLOCK_MONOTONIC, &ts);
1914 return ts.tv_sec + ts.tv_nsec * 1e-9; 2199 return EV_TS_GET (ts);
1915 } 2200 }
1916#endif 2201#endif
1917 2202
1918 return ev_time (); 2203 return ev_time ();
1919} 2204}
… …
1927#endif 2212#endif
1928 2213
1929void 2214void
1930ev_sleep (ev_tstamp delay) EV_NOEXCEPT 2215ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1931{ 2216{
1932 if (delay > 0.) 2217 if (delay > EV_TS_CONST (0.))
1933 { 2218 {
1934#if EV_USE_NANOSLEEP 2219#if EV_USE_NANOSLEEP
1935 struct timespec ts; 2220 struct timespec ts;
1936 2221
1937 EV_TS_SET (ts, delay); 2222 EV_TS_SET (ts, delay);
1938 nanosleep (&ts, 0); 2223 nanosleep (&ts, 0);
1939#elif defined _WIN32 2224#elif defined _WIN32
1940 /* maybe this should round up, as ms is very low resolution */ 2225 /* maybe this should round up, as ms is very low resolution */
1941 /* compared to select (µs) or nanosleep (ns) */ 2226 /* compared to select (µs) or nanosleep (ns) */
1942 Sleep ((unsigned long)(delay * 1e3)); 2227 Sleep ((unsigned long)(EV_TS_TO_MSEC (delay)));
1943#else 2228#else
1944 struct timeval tv; 2229 struct timeval tv;
1945 2230
1946 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 2231 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1947 /* something not guaranteed by newer posix versions, but guaranteed */ 2232 /* something not guaranteed by newer posix versions, but guaranteed */
… …
1977 } 2262 }
1978 2263
1979 return ncur; 2264 return ncur;
1980} 2265}
1981 2266
1982noinline ecb_cold 2267ecb_noinline ecb_cold
1983static void * 2268static void *
1984array_realloc (int elem, void *base, int *cur, int cnt) 2269array_realloc (int elem, void *base, int *cur, int cnt)
1985{ 2270{
1986 *cur = array_nextsize (elem, *cur, cnt); 2271 *cur = array_nextsize (elem, *cur, cnt);
1987 return ev_realloc (base, elem * *cur); 2272 return ev_realloc (base, elem * *cur);
1988} 2273}
1989 2274
1990#define array_needsize_noinit(base,count) 2275#define array_needsize_noinit(base,offset,count)
1991 2276
1992#define array_needsize_zerofill(base,count) \ 2277#define array_needsize_zerofill(base,offset,count) \
1993 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 2278 memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1994 2279
1995#define array_needsize(type,base,cur,cnt,init) \ 2280#define array_needsize(type,base,cur,cnt,init) \
1996 if (expect_false ((cnt) > (cur))) \ 2281 if (ecb_expect_false ((cnt) > (cur))) \
1997 { \ 2282 { \
1998 ecb_unused int ocur_ = (cur); \ 2283 ecb_unused int ocur_ = (cur); \
1999 (base) = (type *)array_realloc \ 2284 (base) = (type *)array_realloc \
2000 (sizeof (type), (base), &(cur), (cnt)); \ 2285 (sizeof (type), (base), &(cur), (cnt)); \
2001 init ((base) + (ocur_), (cur) - ocur_); \ 2286 init ((base), ocur_, ((cur) - ocur_)); \
2002 } 2287 }
2003 2288
2004#if 0 2289#if 0
2005#define array_slim(type,stem) \ 2290#define array_slim(type,stem) \
2006 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ 2291 if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
… …
2015 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 2300 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
2016 2301
2017/*****************************************************************************/ 2302/*****************************************************************************/
2018 2303
2019/* dummy callback for pending events */ 2304/* dummy callback for pending events */
2020noinline 2305ecb_noinline
2021static void 2306static void
2022pendingcb (EV_P_ ev_prepare *w, int revents) 2307pendingcb (EV_P_ ev_prepare *w, int revents)
2023{ 2308{
2024} 2309}
2025 2310
2026noinline 2311ecb_noinline
2027void 2312void
2028ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT 2313ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
2029{ 2314{
2030 W w_ = (W)w; 2315 W w_ = (W)w;
2031 int pri = ABSPRI (w_); 2316 int pri = ABSPRI (w_);
2032 2317
2033 if (expect_false (w_->pending)) 2318 if (ecb_expect_false (w_->pending))
2034 pendings [pri][w_->pending - 1].events |= revents; 2319 pendings [pri][w_->pending - 1].events |= revents;
2035 else 2320 else
2036 { 2321 {
2037 w_->pending = ++pendingcnt [pri]; 2322 w_->pending = ++pendingcnt [pri];
2038 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); 2323 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
… …
2089inline_speed void 2374inline_speed void
2090fd_event (EV_P_ int fd, int revents) 2375fd_event (EV_P_ int fd, int revents)
2091{ 2376{
2092 ANFD *anfd = anfds + fd; 2377 ANFD *anfd = anfds + fd;
2093 2378
2094 if (expect_true (!anfd->reify)) 2379 if (ecb_expect_true (!anfd->reify))
2095 fd_event_nocheck (EV_A_ fd, revents); 2380 fd_event_nocheck (EV_A_ fd, revents);
2096} 2381}
2097 2382
2098void 2383void
2099ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT 2384ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
… …
2107inline_size void 2392inline_size void
2108fd_reify (EV_P) 2393fd_reify (EV_P)
2109{ 2394{
2110 int i; 2395 int i;
2111 2396
2397 /* most backends do not modify the fdchanges list in backend_modfiy.
2398 * except io_uring, which has fixed-size buffers which might force us
2399 * to handle events in backend_modify, causing fdchanges to be amended,
2400 * which could result in an endless loop.
2401 * to avoid this, we do not dynamically handle fds that were added
2402 * during fd_reify. that means that for those backends, fdchangecnt
2403 * might be non-zero during poll, which must cause them to not block.
2404 * to not put too much of a burden on other backends, this detail
2405 * needs to be handled in the backend.
2406 */
2407 int changecnt = fdchangecnt;
2408
2112#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP 2409#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
2113 for (i = 0; i < fdchangecnt; ++i) 2410 for (i = 0; i < changecnt; ++i)
2114 { 2411 {
2115 int fd = fdchanges [i]; 2412 int fd = fdchanges [i];
2116 ANFD *anfd = anfds + fd; 2413 ANFD *anfd = anfds + fd;
2117 2414
2118 if (anfd->reify & EV__IOFDSET && anfd->head) 2415 if (anfd->reify & EV__IOFDSET && anfd->head)
… …
2132 } 2429 }
2133 } 2430 }
2134 } 2431 }
2135#endif 2432#endif
2136 2433
2137 for (i = 0; i < fdchangecnt; ++i) 2434 for (i = 0; i < changecnt; ++i)
2138 { 2435 {
2139 int fd = fdchanges [i]; 2436 int fd = fdchanges [i];
2140 ANFD *anfd = anfds + fd; 2437 ANFD *anfd = anfds + fd;
2141 ev_io *w; 2438 ev_io *w;
2142 2439
2143 unsigned char o_events = anfd->events; 2440 unsigned char o_events = anfd->events;
2144 unsigned char o_reify = anfd->reify; 2441 unsigned char o_reify = anfd->reify;
2145 2442
2146 anfd->reify = 0; 2443 anfd->reify = 0;
2147 2444
2148 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 2445 /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
2149 { 2446 {
2150 anfd->events = 0; 2447 anfd->events = 0;
2151 2448
2152 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 2449 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
2153 anfd->events |= (unsigned char)w->events; 2450 anfd->events |= (unsigned char)w->events;
… …
2158 2455
2159 if (o_reify & EV__IOFDSET) 2456 if (o_reify & EV__IOFDSET)
2160 backend_modify (EV_A_ fd, o_events, anfd->events); 2457 backend_modify (EV_A_ fd, o_events, anfd->events);
2161 } 2458 }
2162 2459
2460 /* normally, fdchangecnt hasn't changed. if it has, then new fds have been added.
2461 * this is a rare case (see beginning comment in this function), so we copy them to the
2462 * front and hope the backend handles this case.
2463 */
2464 if (ecb_expect_false (fdchangecnt != changecnt))
2465 memmove (fdchanges, fdchanges + changecnt, (fdchangecnt - changecnt) * sizeof (*fdchanges));
2466
2163 fdchangecnt = 0; 2467 fdchangecnt -= changecnt;
2164} 2468}
2165 2469
2166/* something about the given fd changed */ 2470/* something about the given fd changed */
2167inline_size 2471inline_size
2168void 2472void
2169fd_change (EV_P_ int fd, int flags) 2473fd_change (EV_P_ int fd, int flags)
2170{ 2474{
2171 unsigned char reify = anfds [fd].reify; 2475 unsigned char reify = anfds [fd].reify;
2172 anfds [fd].reify |= flags; 2476 anfds [fd].reify = reify | flags;
2173 2477
2174 if (expect_true (!reify)) 2478 if (ecb_expect_true (!reify))
2175 { 2479 {
2176 ++fdchangecnt; 2480 ++fdchangecnt;
2177 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); 2481 array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
2178 fdchanges [fdchangecnt - 1] = fd; 2482 fdchanges [fdchangecnt - 1] = fd;
2179 } 2483 }
… …
2202 return fcntl (fd, F_GETFD) != -1; 2506 return fcntl (fd, F_GETFD) != -1;
2203#endif 2507#endif
2204} 2508}
2205 2509
2206/* called on EBADF to verify fds */ 2510/* called on EBADF to verify fds */
2207noinline ecb_cold 2511ecb_noinline ecb_cold
2208static void 2512static void
2209fd_ebadf (EV_P) 2513fd_ebadf (EV_P)
2210{ 2514{
2211 int fd; 2515 int fd;
2212 2516
… …
2215 if (!fd_valid (fd) && errno == EBADF) 2519 if (!fd_valid (fd) && errno == EBADF)
2216 fd_kill (EV_A_ fd); 2520 fd_kill (EV_A_ fd);
2217} 2521}
2218 2522
2219/* called on ENOMEM in select/poll to kill some fds and retry */ 2523/* called on ENOMEM in select/poll to kill some fds and retry */
2220noinline ecb_cold 2524ecb_noinline ecb_cold
2221static void 2525static void
2222fd_enomem (EV_P) 2526fd_enomem (EV_P)
2223{ 2527{
2224 int fd; 2528 int fd;
2225 2529
… …
2230 break; 2534 break;
2231 } 2535 }
2232} 2536}
2233 2537
2234/* usually called after fork if backend needs to re-arm all fds from scratch */ 2538/* usually called after fork if backend needs to re-arm all fds from scratch */
2235noinline 2539ecb_noinline
2236static void 2540static void
2237fd_rearm_all (EV_P) 2541fd_rearm_all (EV_P)
2238{ 2542{
2239 int fd; 2543 int fd;
2240 2544
… …
2294 ev_tstamp minat; 2598 ev_tstamp minat;
2295 ANHE *minpos; 2599 ANHE *minpos;
2296 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; 2600 ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2297 2601
2298 /* find minimum child */ 2602 /* find minimum child */
2299 if (expect_true (pos + DHEAP - 1 < E)) 2603 if (ecb_expect_true (pos + DHEAP - 1 < E))
2300 { 2604 {
2301 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2605 /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2302 if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2606 if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2303 if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2607 if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2304 if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2608 if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2305 } 2609 }
2306 else if (pos < E) 2610 else if (pos < E)
2307 { 2611 {
2308 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); 2612 /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2309 if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); 2613 if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2310 if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); 2614 if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2311 if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); 2615 if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2312 } 2616 }
2313 else 2617 else
2314 break; 2618 break;
2315 2619
2316 if (ANHE_at (he) <= minat) 2620 if (ANHE_at (he) <= minat)
… …
2324 2628
2325 heap [k] = he; 2629 heap [k] = he;
2326 ev_active (ANHE_w (he)) = k; 2630 ev_active (ANHE_w (he)) = k;
2327} 2631}
2328 2632
2329#else /* 4HEAP */ 2633#else /* not 4HEAP */
2330 2634
2331#define HEAP0 1 2635#define HEAP0 1
2332#define HPARENT(k) ((k) >> 1) 2636#define HPARENT(k) ((k) >> 1)
2333#define UPHEAP_DONE(p,k) (!(p)) 2637#define UPHEAP_DONE(p,k) (!(p))
2334 2638
… …
2406 upheap (heap, i + HEAP0); 2710 upheap (heap, i + HEAP0);
2407} 2711}
2408 2712
2409/*****************************************************************************/ 2713/*****************************************************************************/
2410 2714
2411/* associate signal watchers to a signal signal */ 2715/* associate signal watchers to a signal */
2412typedef struct 2716typedef struct
2413{ 2717{
2414 EV_ATOMIC_T pending; 2718 EV_ATOMIC_T pending;
2415#if EV_MULTIPLICITY 2719#if EV_MULTIPLICITY
2416 EV_P; 2720 EV_P;
… …
2422 2726
2423/*****************************************************************************/ 2727/*****************************************************************************/
2424 2728
2425#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2729#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2426 2730
2427noinline ecb_cold 2731ecb_noinline ecb_cold
2428static void 2732static void
2429evpipe_init (EV_P) 2733evpipe_init (EV_P)
2430{ 2734{
2431 if (!ev_is_active (&pipe_w)) 2735 if (!ev_is_active (&pipe_w))
2432 { 2736 {
… …
2473inline_speed void 2777inline_speed void
2474evpipe_write (EV_P_ EV_ATOMIC_T *flag) 2778evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2475{ 2779{
2476 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ 2780 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2477 2781
2478 if (expect_true (*flag)) 2782 if (ecb_expect_true (*flag))
2479 return; 2783 return;
2480 2784
2481 *flag = 1; 2785 *flag = 1;
2482 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 2786 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2483 2787
… …
2560 sig_pending = 0; 2864 sig_pending = 0;
2561 2865
2562 ECB_MEMORY_FENCE; 2866 ECB_MEMORY_FENCE;
2563 2867
2564 for (i = EV_NSIG - 1; i--; ) 2868 for (i = EV_NSIG - 1; i--; )
2565 if (expect_false (signals [i].pending)) 2869 if (ecb_expect_false (signals [i].pending))
2566 ev_feed_signal_event (EV_A_ i + 1); 2870 ev_feed_signal_event (EV_A_ i + 1);
2567 } 2871 }
2568#endif 2872#endif
2569 2873
2570#if EV_ASYNC_ENABLE 2874#if EV_ASYNC_ENABLE
… …
2611#endif 2915#endif
2612 2916
2613 ev_feed_signal (signum); 2917 ev_feed_signal (signum);
2614} 2918}
2615 2919
2616noinline 2920ecb_noinline
2617void 2921void
2618ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT 2922ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2619{ 2923{
2620 WL w; 2924 WL w;
2621 2925
2622 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2926 if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2623 return; 2927 return;
2624 2928
2625 --signum; 2929 --signum;
2626 2930
2627#if EV_MULTIPLICITY 2931#if EV_MULTIPLICITY
2628 /* it is permissible to try to feed a signal to the wrong loop */ 2932 /* it is permissible to try to feed a signal to the wrong loop */
2629 /* or, likely more useful, feeding a signal nobody is waiting for */ 2933 /* or, likely more useful, feeding a signal nobody is waiting for */
2630 2934
2631 if (expect_false (signals [signum].loop != EV_A)) 2935 if (ecb_expect_false (signals [signum].loop != EV_A))
2632 return; 2936 return;
2633#endif 2937#endif
2634 2938
2635 signals [signum].pending = 0; 2939 signals [signum].pending = 0;
2636 ECB_MEMORY_FENCE_RELEASE; 2940 ECB_MEMORY_FENCE_RELEASE;
… …
2720 3024
2721#endif 3025#endif
2722 3026
2723/*****************************************************************************/ 3027/*****************************************************************************/
2724 3028
3029#if EV_USE_TIMERFD
3030
3031static void periodics_reschedule (EV_P);
3032
3033static void
3034timerfdcb (EV_P_ ev_io *iow, int revents)
3035{
3036 struct itimerspec its = { 0 };
3037
3038 its.it_value.tv_sec = ev_rt_now + (int)MAX_BLOCKTIME2;
3039 timerfd_settime (timerfd, TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET, &its, 0);
3040
3041 ev_rt_now = ev_time ();
3042 /* periodics_reschedule only needs ev_rt_now */
3043 /* but maybe in the future we want the full treatment. */
3044 /*
3045 now_floor = EV_TS_CONST (0.);
3046 time_update (EV_A_ EV_TSTAMP_HUGE);
3047 */
3048#if EV_PERIODIC_ENABLE
3049 periodics_reschedule (EV_A);
3050#endif
3051}
3052
3053ecb_noinline ecb_cold
3054static void
3055evtimerfd_init (EV_P)
3056{
3057 if (!ev_is_active (&timerfd_w))
3058 {
3059 timerfd = timerfd_create (CLOCK_REALTIME, TFD_NONBLOCK | TFD_CLOEXEC);
3060
3061 if (timerfd >= 0)
3062 {
3063 fd_intern (timerfd); /* just to be sure */
3064
3065 ev_io_init (&timerfd_w, timerfdcb, timerfd, EV_READ);
3066 ev_set_priority (&timerfd_w, EV_MINPRI);
3067 ev_io_start (EV_A_ &timerfd_w);
3068 ev_unref (EV_A); /* watcher should not keep loop alive */
3069
3070 /* (re-) arm timer */
3071 timerfdcb (EV_A_ 0, 0);
3072 }
3073 }
3074}
3075
3076#endif
3077
3078/*****************************************************************************/
3079
2725#if EV_USE_IOCP 3080#if EV_USE_IOCP
2726# include "ev_iocp.c" 3081# include "ev_iocp.c"
2727#endif 3082#endif
2728#if EV_USE_PORT 3083#if EV_USE_PORT
2729# include "ev_port.c" 3084# include "ev_port.c"
2730#endif 3085#endif
2731#if EV_USE_KQUEUE 3086#if EV_USE_KQUEUE
2732# include "ev_kqueue.c" 3087# include "ev_kqueue.c"
2733#endif 3088#endif
3089#if EV_USE_EPOLL
3090# include "ev_epoll.c"
3091#endif
2734#if EV_USE_LINUXAIO 3092#if EV_USE_LINUXAIO
2735# include "ev_linuxaio.c" 3093# include "ev_linuxaio.c"
2736#endif 3094#endif
2737#if EV_USE_EPOLL 3095#if EV_USE_IOURING
2738# include "ev_epoll.c" 3096# include "ev_iouring.c"
2739#endif 3097#endif
2740#if EV_USE_POLL 3098#if EV_USE_POLL
2741# include "ev_poll.c" 3099# include "ev_poll.c"
2742#endif 3100#endif
2743#if EV_USE_SELECT 3101#if EV_USE_SELECT
… …
2772unsigned int 3130unsigned int
2773ev_supported_backends (void) EV_NOEXCEPT 3131ev_supported_backends (void) EV_NOEXCEPT
2774{ 3132{
2775 unsigned int flags = 0; 3133 unsigned int flags = 0;
2776 3134
2777 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 3135 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2778 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; 3136 if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2779 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; 3137 if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
2780 if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; 3138 if (EV_USE_LINUXAIO ) flags |= EVBACKEND_LINUXAIO;
2781 if (EV_USE_POLL ) flags |= EVBACKEND_POLL; 3139 if (EV_USE_IOURING && ev_linux_version () >= 0x050601) flags |= EVBACKEND_IOURING; /* 5.6.1+ */
2782 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; 3140 if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2783 3141 if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
3142
2784 return flags; 3143 return flags;
2785} 3144}
2786 3145
2787ecb_cold 3146ecb_cold
2788unsigned int 3147unsigned int
… …
2803#ifdef __FreeBSD__ 3162#ifdef __FreeBSD__
2804 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ 3163 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2805#endif 3164#endif
2806 3165
2807 /* TODO: linuxaio is very experimental */ 3166 /* TODO: linuxaio is very experimental */
3167#if !EV_RECOMMEND_LINUXAIO
2808 flags &= ~EVBACKEND_LINUXAIO; 3168 flags &= ~EVBACKEND_LINUXAIO;
3169#endif
3170 /* TODO: iouring is super experimental */
3171#if !EV_RECOMMEND_IOURING
3172 flags &= ~EVBACKEND_IOURING;
3173#endif
2809 3174
2810 return flags; 3175 return flags;
2811} 3176}
2812 3177
2813ecb_cold 3178ecb_cold
2814unsigned int 3179unsigned int
2815ev_embeddable_backends (void) EV_NOEXCEPT 3180ev_embeddable_backends (void) EV_NOEXCEPT
2816{ 3181{
2817 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 3182 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT | EVBACKEND_IOURING;
2818 3183
2819 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 3184 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2820 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 3185 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2821 flags &= ~EVBACKEND_EPOLL; 3186 flags &= ~EVBACKEND_EPOLL;
2822 3187
3188 /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
3189
2823 return flags; 3190 return flags;
2824} 3191}
2825 3192
2826unsigned int 3193unsigned int
2827ev_backend (EV_P) EV_NOEXCEPT 3194ev_backend (EV_P) EV_NOEXCEPT
… …
2879 acquire_cb = acquire; 3246 acquire_cb = acquire;
2880} 3247}
2881#endif 3248#endif
2882 3249
2883/* initialise a loop structure, must be zero-initialised */ 3250/* initialise a loop structure, must be zero-initialised */
2884noinline ecb_cold 3251ecb_noinline ecb_cold
2885static void 3252static void
2886loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT 3253loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2887{ 3254{
2888 if (!backend) 3255 if (!backend)
2889 { 3256 {
… …
2944 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 3311 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2945#endif 3312#endif
2946#if EV_USE_SIGNALFD 3313#if EV_USE_SIGNALFD
2947 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 3314 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
2948#endif 3315#endif
3316#if EV_USE_TIMERFD
3317 timerfd = flags & EVFLAG_NOTIMERFD ? -1 : -2;
3318#endif
2949 3319
2950 if (!(flags & EVBACKEND_MASK)) 3320 if (!(flags & EVBACKEND_MASK))
2951 flags |= ev_recommended_backends (); 3321 flags |= ev_recommended_backends ();
2952 3322
2953#if EV_USE_IOCP 3323#if EV_USE_IOCP
… …
2956#if EV_USE_PORT 3326#if EV_USE_PORT
2957 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 3327 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2958#endif 3328#endif
2959#if EV_USE_KQUEUE 3329#if EV_USE_KQUEUE
2960 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); 3330 if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
3331#endif
3332#if EV_USE_IOURING
3333 if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
2961#endif 3334#endif
2962#if EV_USE_LINUXAIO 3335#if EV_USE_LINUXAIO
2963 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); 3336 if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2964#endif 3337#endif
2965#if EV_USE_EPOLL 3338#if EV_USE_EPOLL
… …
2994 return; 3367 return;
2995#endif 3368#endif
2996 3369
2997#if EV_CLEANUP_ENABLE 3370#if EV_CLEANUP_ENABLE
2998 /* queue cleanup watchers (and execute them) */ 3371 /* queue cleanup watchers (and execute them) */
2999 if (expect_false (cleanupcnt)) 3372 if (ecb_expect_false (cleanupcnt))
3000 { 3373 {
3001 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); 3374 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
3002 EV_INVOKE_PENDING; 3375 EV_INVOKE_PENDING;
3003 } 3376 }
3004#endif 3377#endif
… …
3023#if EV_USE_SIGNALFD 3396#if EV_USE_SIGNALFD
3024 if (ev_is_active (&sigfd_w)) 3397 if (ev_is_active (&sigfd_w))
3025 close (sigfd); 3398 close (sigfd);
3026#endif 3399#endif
3027 3400
3401#if EV_USE_TIMERFD
3402 if (ev_is_active (&timerfd_w))
3403 close (timerfd);
3404#endif
3405
3028#if EV_USE_INOTIFY 3406#if EV_USE_INOTIFY
3029 if (fs_fd >= 0) 3407 if (fs_fd >= 0)
3030 close (fs_fd); 3408 close (fs_fd);
3031#endif 3409#endif
3032 3410
… …
3039#if EV_USE_PORT 3417#if EV_USE_PORT
3040 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 3418 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
3041#endif 3419#endif
3042#if EV_USE_KQUEUE 3420#if EV_USE_KQUEUE
3043 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); 3421 if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
3422#endif
3423#if EV_USE_IOURING
3424 if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
3044#endif 3425#endif
3045#if EV_USE_LINUXAIO 3426#if EV_USE_LINUXAIO
3046 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); 3427 if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
3047#endif 3428#endif
3048#if EV_USE_EPOLL 3429#if EV_USE_EPOLL
… …
3107 if (backend == EVBACKEND_PORT ) port_fork (EV_A); 3488 if (backend == EVBACKEND_PORT ) port_fork (EV_A);
3108#endif 3489#endif
3109#if EV_USE_KQUEUE 3490#if EV_USE_KQUEUE
3110 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); 3491 if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
3111#endif 3492#endif
3493#if EV_USE_IOURING
3494 if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
3495#endif
3112#if EV_USE_LINUXAIO 3496#if EV_USE_LINUXAIO
3113 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); 3497 if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
3114#endif 3498#endif
3115#if EV_USE_EPOLL 3499#if EV_USE_EPOLL
3116 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); 3500 if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
3117#endif 3501#endif
3118#if EV_USE_INOTIFY 3502#if EV_USE_INOTIFY
3119 infy_fork (EV_A); 3503 infy_fork (EV_A);
3120#endif 3504#endif
3121 3505
3506 if (postfork != 2)
3507 {
3508 #if EV_USE_SIGNALFD
3509 /* surprisingly, nothing needs to be done for signalfd, accoridng to docs, it does the right thing on fork */
3510 #endif
3511
3512 #if EV_USE_TIMERFD
3513 if (ev_is_active (&timerfd_w))
3514 {
3515 ev_ref (EV_A);
3516 ev_io_stop (EV_A_ &timerfd_w);
3517
3518 close (timerfd);
3519 timerfd = -2;
3520
3521 evtimerfd_init (EV_A);
3522 /* reschedule periodics, in case we missed something */
3523 ev_feed_event (EV_A_ &timerfd_w, EV_CUSTOM);
3524 }
3525 #endif
3526
3122#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 3527 #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
3123 if (ev_is_active (&pipe_w) && postfork != 2) 3528 if (ev_is_active (&pipe_w))
3124 { 3529 {
3125 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 3530 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
3126 3531
3127 ev_ref (EV_A); 3532 ev_ref (EV_A);
3128 ev_io_stop (EV_A_ &pipe_w); 3533 ev_io_stop (EV_A_ &pipe_w);
3129 3534
3130 if (evpipe [0] >= 0) 3535 if (evpipe [0] >= 0)
3131 EV_WIN32_CLOSE_FD (evpipe [0]); 3536 EV_WIN32_CLOSE_FD (evpipe [0]);
3132 3537
3133 evpipe_init (EV_A); 3538 evpipe_init (EV_A);
3134 /* iterate over everything, in case we missed something before */ 3539 /* iterate over everything, in case we missed something before */
3135 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3540 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3541 }
3542 #endif
3136 } 3543 }
3137#endif
3138 3544
3139 postfork = 0; 3545 postfork = 0;
3140} 3546}
3141 3547
3142#if EV_MULTIPLICITY 3548#if EV_MULTIPLICITY
… …
3158} 3564}
3159 3565
3160#endif /* multiplicity */ 3566#endif /* multiplicity */
3161 3567
3162#if EV_VERIFY 3568#if EV_VERIFY
3163noinline ecb_cold 3569ecb_noinline ecb_cold
3164static void 3570static void
3165verify_watcher (EV_P_ W w) 3571verify_watcher (EV_P_ W w)
3166{ 3572{
3167 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3573 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
3168 3574
3169 if (w->pending) 3575 if (w->pending)
3170 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3576 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
3171} 3577}
3172 3578
3173noinline ecb_cold 3579ecb_noinline ecb_cold
3174static void 3580static void
3175verify_heap (EV_P_ ANHE *heap, int N) 3581verify_heap (EV_P_ ANHE *heap, int N)
3176{ 3582{
3177 int i; 3583 int i;
3178 3584
… …
3184 3590
3185 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3591 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
3186 } 3592 }
3187} 3593}
3188 3594
3189noinline ecb_cold 3595ecb_noinline ecb_cold
3190static void 3596static void
3191array_verify (EV_P_ W *ws, int cnt) 3597array_verify (EV_P_ W *ws, int cnt)
3192{ 3598{
3193 while (cnt--) 3599 while (cnt--)
3194 { 3600 {
… …
3343 count += pendingcnt [pri]; 3749 count += pendingcnt [pri];
3344 3750
3345 return count; 3751 return count;
3346} 3752}
3347 3753
3348noinline 3754ecb_noinline
3349void 3755void
3350ev_invoke_pending (EV_P) 3756ev_invoke_pending (EV_P)
3351{ 3757{
3352 pendingpri = NUMPRI; 3758 pendingpri = NUMPRI;
3353 3759
… …
3372/* make idle watchers pending. this handles the "call-idle */ 3778/* make idle watchers pending. this handles the "call-idle */
3373/* only when higher priorities are idle" logic */ 3779/* only when higher priorities are idle" logic */
3374inline_size void 3780inline_size void
3375idle_reify (EV_P) 3781idle_reify (EV_P)
3376{ 3782{
3377 if (expect_false (idleall)) 3783 if (ecb_expect_false (idleall))
3378 { 3784 {
3379 int pri; 3785 int pri;
3380 3786
3381 for (pri = NUMPRI; pri--; ) 3787 for (pri = NUMPRI; pri--; )
3382 { 3788 {
… …
3412 { 3818 {
3413 ev_at (w) += w->repeat; 3819 ev_at (w) += w->repeat;
3414 if (ev_at (w) < mn_now) 3820 if (ev_at (w) < mn_now)
3415 ev_at (w) = mn_now; 3821 ev_at (w) = mn_now;
3416 3822
3417 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); 3823 assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
3418 3824
3419 ANHE_at_cache (timers [HEAP0]); 3825 ANHE_at_cache (timers [HEAP0]);
3420 downheap (timers, timercnt, HEAP0); 3826 downheap (timers, timercnt, HEAP0);
3421 } 3827 }
3422 else 3828 else
… …
3431 } 3837 }
3432} 3838}
3433 3839
3434#if EV_PERIODIC_ENABLE 3840#if EV_PERIODIC_ENABLE
3435 3841
3436noinline 3842ecb_noinline
3437static void 3843static void
3438periodic_recalc (EV_P_ ev_periodic *w) 3844periodic_recalc (EV_P_ ev_periodic *w)
3439{ 3845{
3440 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3846 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3441 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3847 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
… …
3444 while (at <= ev_rt_now) 3850 while (at <= ev_rt_now)
3445 { 3851 {
3446 ev_tstamp nat = at + w->interval; 3852 ev_tstamp nat = at + w->interval;
3447 3853
3448 /* when resolution fails us, we use ev_rt_now */ 3854 /* when resolution fails us, we use ev_rt_now */
3449 if (expect_false (nat == at)) 3855 if (ecb_expect_false (nat == at))
3450 { 3856 {
3451 at = ev_rt_now; 3857 at = ev_rt_now;
3452 break; 3858 break;
3453 } 3859 }
3454 3860
… …
3500 } 3906 }
3501} 3907}
3502 3908
3503/* simply recalculate all periodics */ 3909/* simply recalculate all periodics */
3504/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3910/* TODO: maybe ensure that at least one event happens when jumping forward? */
3505noinline ecb_cold 3911ecb_noinline ecb_cold
3506static void 3912static void
3507periodics_reschedule (EV_P) 3913periodics_reschedule (EV_P)
3508{ 3914{
3509 int i; 3915 int i;
3510 3916
… …
3524 reheap (periodics, periodiccnt); 3930 reheap (periodics, periodiccnt);
3525} 3931}
3526#endif 3932#endif
3527 3933
3528/* adjust all timers by a given offset */ 3934/* adjust all timers by a given offset */
3529noinline ecb_cold 3935ecb_noinline ecb_cold
3530static void 3936static void
3531timers_reschedule (EV_P_ ev_tstamp adjust) 3937timers_reschedule (EV_P_ ev_tstamp adjust)
3532{ 3938{
3533 int i; 3939 int i;
3534 3940
… …
3544/* also detect if there was a timejump, and act accordingly */ 3950/* also detect if there was a timejump, and act accordingly */
3545inline_speed void 3951inline_speed void
3546time_update (EV_P_ ev_tstamp max_block) 3952time_update (EV_P_ ev_tstamp max_block)
3547{ 3953{
3548#if EV_USE_MONOTONIC 3954#if EV_USE_MONOTONIC
3549 if (expect_true (have_monotonic)) 3955 if (ecb_expect_true (have_monotonic))
3550 { 3956 {
3551 int i; 3957 int i;
3552 ev_tstamp odiff = rtmn_diff; 3958 ev_tstamp odiff = rtmn_diff;
3553 3959
3554 mn_now = get_clock (); 3960 mn_now = get_clock ();
3555 3961
3556 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ 3962 /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3557 /* interpolate in the meantime */ 3963 /* interpolate in the meantime */
3558 if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) 3964 if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5)))
3559 { 3965 {
3560 ev_rt_now = rtmn_diff + mn_now; 3966 ev_rt_now = rtmn_diff + mn_now;
3561 return; 3967 return;
3562 } 3968 }
3563 3969
… …
3577 ev_tstamp diff; 3983 ev_tstamp diff;
3578 rtmn_diff = ev_rt_now - mn_now; 3984 rtmn_diff = ev_rt_now - mn_now;
3579 3985
3580 diff = odiff - rtmn_diff; 3986 diff = odiff - rtmn_diff;
3581 3987
3582 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) 3988 if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP)))
3583 return; /* all is well */ 3989 return; /* all is well */
3584 3990
3585 ev_rt_now = ev_time (); 3991 ev_rt_now = ev_time ();
3586 mn_now = get_clock (); 3992 mn_now = get_clock ();
3587 now_floor = mn_now; 3993 now_floor = mn_now;
… …
3596 else 4002 else
3597#endif 4003#endif
3598 { 4004 {
3599 ev_rt_now = ev_time (); 4005 ev_rt_now = ev_time ();
3600 4006
3601 if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) 4007 if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP)))
3602 { 4008 {
3603 /* adjust timers. this is easy, as the offset is the same for all of them */ 4009 /* adjust timers. this is easy, as the offset is the same for all of them */
3604 timers_reschedule (EV_A_ ev_rt_now - mn_now); 4010 timers_reschedule (EV_A_ ev_rt_now - mn_now);
3605#if EV_PERIODIC_ENABLE 4011#if EV_PERIODIC_ENABLE
3606 periodics_reschedule (EV_A); 4012 periodics_reschedule (EV_A);
… …
3629#if EV_VERIFY >= 2 4035#if EV_VERIFY >= 2
3630 ev_verify (EV_A); 4036 ev_verify (EV_A);
3631#endif 4037#endif
3632 4038
3633#ifndef _WIN32 4039#ifndef _WIN32
3634 if (expect_false (curpid)) /* penalise the forking check even more */ 4040 if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3635 if (expect_false (getpid () != curpid)) 4041 if (ecb_expect_false (getpid () != curpid))
3636 { 4042 {
3637 curpid = getpid (); 4043 curpid = getpid ();
3638 postfork = 1; 4044 postfork = 1;
3639 } 4045 }
3640#endif 4046#endif
3641 4047
3642#if EV_FORK_ENABLE 4048#if EV_FORK_ENABLE
3643 /* we might have forked, so queue fork handlers */ 4049 /* we might have forked, so queue fork handlers */
3644 if (expect_false (postfork)) 4050 if (ecb_expect_false (postfork))
3645 if (forkcnt) 4051 if (forkcnt)
3646 { 4052 {
3647 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 4053 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3648 EV_INVOKE_PENDING; 4054 EV_INVOKE_PENDING;
3649 } 4055 }
3650#endif 4056#endif
3651 4057
3652#if EV_PREPARE_ENABLE 4058#if EV_PREPARE_ENABLE
3653 /* queue prepare watchers (and execute them) */ 4059 /* queue prepare watchers (and execute them) */
3654 if (expect_false (preparecnt)) 4060 if (ecb_expect_false (preparecnt))
3655 { 4061 {
3656 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 4062 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3657 EV_INVOKE_PENDING; 4063 EV_INVOKE_PENDING;
3658 } 4064 }
3659#endif 4065#endif
3660 4066
3661 if (expect_false (loop_done)) 4067 if (ecb_expect_false (loop_done))
3662 break; 4068 break;
3663 4069
3664 /* we might have forked, so reify kernel state if necessary */ 4070 /* we might have forked, so reify kernel state if necessary */
3665 if (expect_false (postfork)) 4071 if (ecb_expect_false (postfork))
3666 loop_fork (EV_A); 4072 loop_fork (EV_A);
3667 4073
3668 /* update fd-related kernel structures */ 4074 /* update fd-related kernel structures */
3669 fd_reify (EV_A); 4075 fd_reify (EV_A);
3670 4076
… …
3675 4081
3676 /* remember old timestamp for io_blocktime calculation */ 4082 /* remember old timestamp for io_blocktime calculation */
3677 ev_tstamp prev_mn_now = mn_now; 4083 ev_tstamp prev_mn_now = mn_now;
3678 4084
3679 /* update time to cancel out callback processing overhead */ 4085 /* update time to cancel out callback processing overhead */
3680 time_update (EV_A_ 1e100); 4086 time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE));
3681 4087
3682 /* from now on, we want a pipe-wake-up */ 4088 /* from now on, we want a pipe-wake-up */
3683 pipe_write_wanted = 1; 4089 pipe_write_wanted = 1;
3684 4090
3685 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ 4091 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3686 4092
3687 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 4093 if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3688 { 4094 {
3689 waittime = MAX_BLOCKTIME; 4095 waittime = EV_TS_CONST (MAX_BLOCKTIME);
4096
4097 if (ecb_expect_true (have_monotonic))
4098 {
4099#if EV_USE_TIMERFD
4100 /* sleep a lot longer when we can reliably detect timejumps */
4101 if (ecb_expect_true (timerfd != -1))
4102 waittime = EV_TS_CONST (MAX_BLOCKTIME2);
4103#endif
4104#if !EV_PERIODIC_ENABLE
4105 /* without periodics but with monotonic clock there is no need */
4106 /* for any time jump detection, so sleep longer */
4107 waittime = EV_TS_CONST (MAX_BLOCKTIME2);
4108#endif
4109 }
3690 4110
3691 if (timercnt) 4111 if (timercnt)
3692 { 4112 {
3693 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; 4113 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
3694 if (waittime > to) waittime = to; 4114 if (waittime > to) waittime = to;
… …
3701 if (waittime > to) waittime = to; 4121 if (waittime > to) waittime = to;
3702 } 4122 }
3703#endif 4123#endif
3704 4124
3705 /* don't let timeouts decrease the waittime below timeout_blocktime */ 4125 /* don't let timeouts decrease the waittime below timeout_blocktime */
3706 if (expect_false (waittime < timeout_blocktime)) 4126 if (ecb_expect_false (waittime < timeout_blocktime))
3707 waittime = timeout_blocktime; 4127 waittime = timeout_blocktime;
3708 4128
3709 /* at this point, we NEED to wait, so we have to ensure */ 4129 /* now there are two more special cases left, either we have
3710 /* to pass a minimum nonzero value to the backend */ 4130 * already-expired timers, so we should not sleep, or we have timers
4131 * that expire very soon, in which case we need to wait for a minimum
4132 * amount of time for some event loop backends.
4133 */
3711 if (expect_false (waittime < backend_mintime)) 4134 if (ecb_expect_false (waittime < backend_mintime))
4135 waittime = waittime <= EV_TS_CONST (0.)
4136 ? EV_TS_CONST (0.)
3712 waittime = backend_mintime; 4137 : backend_mintime;
3713 4138
3714 /* extra check because io_blocktime is commonly 0 */ 4139 /* extra check because io_blocktime is commonly 0 */
3715 if (expect_false (io_blocktime)) 4140 if (ecb_expect_false (io_blocktime))
3716 { 4141 {
3717 sleeptime = io_blocktime - (mn_now - prev_mn_now); 4142 sleeptime = io_blocktime - (mn_now - prev_mn_now);
3718 4143
3719 if (sleeptime > waittime - backend_mintime) 4144 if (sleeptime > waittime - backend_mintime)
3720 sleeptime = waittime - backend_mintime; 4145 sleeptime = waittime - backend_mintime;
3721 4146
3722 if (expect_true (sleeptime > 0.)) 4147 if (ecb_expect_true (sleeptime > EV_TS_CONST (0.)))
3723 { 4148 {
3724 ev_sleep (sleeptime); 4149 ev_sleep (sleeptime);
3725 waittime -= sleeptime; 4150 waittime -= sleeptime;
3726 } 4151 }
3727 } 4152 }
… …
3741 { 4166 {
3742 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 4167 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3743 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 4168 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3744 } 4169 }
3745 4170
3746
3747 /* update ev_rt_now, do magic */ 4171 /* update ev_rt_now, do magic */
3748 time_update (EV_A_ waittime + sleeptime); 4172 time_update (EV_A_ waittime + sleeptime);
3749 } 4173 }
3750 4174
3751 /* queue pending timers and reschedule them */ 4175 /* queue pending timers and reschedule them */
… …
3759 idle_reify (EV_A); 4183 idle_reify (EV_A);
3760#endif 4184#endif
3761 4185
3762#if EV_CHECK_ENABLE 4186#if EV_CHECK_ENABLE
3763 /* queue check watchers, to be executed first */ 4187 /* queue check watchers, to be executed first */
3764 if (expect_false (checkcnt)) 4188 if (ecb_expect_false (checkcnt))
3765 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 4189 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3766#endif 4190#endif
3767 4191
3768 EV_INVOKE_PENDING; 4192 EV_INVOKE_PENDING;
3769 } 4193 }
3770 while (expect_true ( 4194 while (ecb_expect_true (
3771 activecnt 4195 activecnt
3772 && !loop_done 4196 && !loop_done
3773 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) 4197 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3774 )); 4198 ));
3775 4199
… …
3802} 4226}
3803 4227
3804void 4228void
3805ev_now_update (EV_P) EV_NOEXCEPT 4229ev_now_update (EV_P) EV_NOEXCEPT
3806{ 4230{
3807 time_update (EV_A_ 1e100); 4231 time_update (EV_A_ EV_TSTAMP_HUGE);
3808} 4232}
3809 4233
3810void 4234void
3811ev_suspend (EV_P) EV_NOEXCEPT 4235ev_suspend (EV_P) EV_NOEXCEPT
3812{ 4236{
… …
3839inline_size void 4263inline_size void
3840wlist_del (WL *head, WL elem) 4264wlist_del (WL *head, WL elem)
3841{ 4265{
3842 while (*head) 4266 while (*head)
3843 { 4267 {
3844 if (expect_true (*head == elem)) 4268 if (ecb_expect_true (*head == elem))
3845 { 4269 {
3846 *head = elem->next; 4270 *head = elem->next;
3847 break; 4271 break;
3848 } 4272 }
3849 4273
… …
3866ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT 4290ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3867{ 4291{
3868 W w_ = (W)w; 4292 W w_ = (W)w;
3869 int pending = w_->pending; 4293 int pending = w_->pending;
3870 4294
3871 if (expect_true (pending)) 4295 if (ecb_expect_true (pending))
3872 { 4296 {
3873 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; 4297 ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3874 p->w = (W)&pending_w; 4298 p->w = (W)&pending_w;
3875 w_->pending = 0; 4299 w_->pending = 0;
3876 return p->events; 4300 return p->events;
… …
3903 w->active = 0; 4327 w->active = 0;
3904} 4328}
3905 4329
3906/*****************************************************************************/ 4330/*****************************************************************************/
3907 4331
3908noinline 4332ecb_noinline
3909void 4333void
3910ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT 4334ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3911{ 4335{
3912 int fd = w->fd; 4336 int fd = w->fd;
3913 4337
3914 if (expect_false (ev_is_active (w))) 4338 if (ecb_expect_false (ev_is_active (w)))
3915 return; 4339 return;
3916 4340
3917 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 4341 assert (("libev: ev_io_start called with negative fd", fd >= 0));
3918 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 4342 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3919 4343
4344#if EV_VERIFY >= 2
4345 assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
4346#endif
3920 EV_FREQUENT_CHECK; 4347 EV_FREQUENT_CHECK;
3921 4348
3922 ev_start (EV_A_ (W)w, 1); 4349 ev_start (EV_A_ (W)w, 1);
3923 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); 4350 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3924 wlist_add (&anfds[fd].head, (WL)w); 4351 wlist_add (&anfds[fd].head, (WL)w);
… …
3930 w->events &= ~EV__IOFDSET; 4357 w->events &= ~EV__IOFDSET;
3931 4358
3932 EV_FREQUENT_CHECK; 4359 EV_FREQUENT_CHECK;
3933} 4360}
3934 4361
3935noinline 4362ecb_noinline
3936void 4363void
3937ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT 4364ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3938{ 4365{
3939 clear_pending (EV_A_ (W)w); 4366 clear_pending (EV_A_ (W)w);
3940 if (expect_false (!ev_is_active (w))) 4367 if (ecb_expect_false (!ev_is_active (w)))
3941 return; 4368 return;
3942 4369
3943 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); 4370 assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3944 4371
4372#if EV_VERIFY >= 2
4373 assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
4374#endif
3945 EV_FREQUENT_CHECK; 4375 EV_FREQUENT_CHECK;
3946 4376
3947 wlist_del (&anfds[w->fd].head, (WL)w); 4377 wlist_del (&anfds[w->fd].head, (WL)w);
3948 ev_stop (EV_A_ (W)w); 4378 ev_stop (EV_A_ (W)w);
3949 4379
3950 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 4380 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3951 4381
3952 EV_FREQUENT_CHECK; 4382 EV_FREQUENT_CHECK;
3953} 4383}
3954 4384
3955noinline 4385ecb_noinline
3956void 4386void
3957ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT 4387ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3958{ 4388{
3959 if (expect_false (ev_is_active (w))) 4389 if (ecb_expect_false (ev_is_active (w)))
3960 return; 4390 return;
3961 4391
3962 ev_at (w) += mn_now; 4392 ev_at (w) += mn_now;
3963 4393
3964 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); 4394 assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
… …
3975 EV_FREQUENT_CHECK; 4405 EV_FREQUENT_CHECK;
3976 4406
3977 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 4407 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3978} 4408}
3979 4409
3980noinline 4410ecb_noinline
3981void 4411void
3982ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT 4412ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3983{ 4413{
3984 clear_pending (EV_A_ (W)w); 4414 clear_pending (EV_A_ (W)w);
3985 if (expect_false (!ev_is_active (w))) 4415 if (ecb_expect_false (!ev_is_active (w)))
3986 return; 4416 return;
3987 4417
3988 EV_FREQUENT_CHECK; 4418 EV_FREQUENT_CHECK;
3989 4419
3990 { 4420 {
… …
3992 4422
3993 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); 4423 assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3994 4424
3995 --timercnt; 4425 --timercnt;
3996 4426
3997 if (expect_true (active < timercnt + HEAP0)) 4427 if (ecb_expect_true (active < timercnt + HEAP0))
3998 { 4428 {
3999 timers [active] = timers [timercnt + HEAP0]; 4429 timers [active] = timers [timercnt + HEAP0];
4000 adjustheap (timers, timercnt, active); 4430 adjustheap (timers, timercnt, active);
4001 } 4431 }
4002 } 4432 }
… …
4006 ev_stop (EV_A_ (W)w); 4436 ev_stop (EV_A_ (W)w);
4007 4437
4008 EV_FREQUENT_CHECK; 4438 EV_FREQUENT_CHECK;
4009} 4439}
4010 4440
4011noinline 4441ecb_noinline
4012void 4442void
4013ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT 4443ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
4014{ 4444{
4015 EV_FREQUENT_CHECK; 4445 EV_FREQUENT_CHECK;
4016 4446
… …
4037} 4467}
4038 4468
4039ev_tstamp 4469ev_tstamp
4040ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT 4470ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
4041{ 4471{
4042 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 4472 return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.));
4043} 4473}
4044 4474
4045#if EV_PERIODIC_ENABLE 4475#if EV_PERIODIC_ENABLE
4046noinline 4476ecb_noinline
4047void 4477void
4048ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT 4478ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
4049{ 4479{
4050 if (expect_false (ev_is_active (w))) 4480 if (ecb_expect_false (ev_is_active (w)))
4051 return; 4481 return;
4482
4483#if EV_USE_TIMERFD
4484 if (timerfd == -2)
4485 evtimerfd_init (EV_A);
4486#endif
4052 4487
4053 if (w->reschedule_cb) 4488 if (w->reschedule_cb)
4054 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 4489 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
4055 else if (w->interval) 4490 else if (w->interval)
4056 { 4491 {
… …
4072 EV_FREQUENT_CHECK; 4507 EV_FREQUENT_CHECK;
4073 4508
4074 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4509 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
4075} 4510}
4076 4511
4077noinline 4512ecb_noinline
4078void 4513void
4079ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT 4514ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
4080{ 4515{
4081 clear_pending (EV_A_ (W)w); 4516 clear_pending (EV_A_ (W)w);
4082 if (expect_false (!ev_is_active (w))) 4517 if (ecb_expect_false (!ev_is_active (w)))
4083 return; 4518 return;
4084 4519
4085 EV_FREQUENT_CHECK; 4520 EV_FREQUENT_CHECK;
4086 4521
4087 { 4522 {
… …
4089 4524
4090 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); 4525 assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
4091 4526
4092 --periodiccnt; 4527 --periodiccnt;
4093 4528
4094 if (expect_true (active < periodiccnt + HEAP0)) 4529 if (ecb_expect_true (active < periodiccnt + HEAP0))
4095 { 4530 {
4096 periodics [active] = periodics [periodiccnt + HEAP0]; 4531 periodics [active] = periodics [periodiccnt + HEAP0];
4097 adjustheap (periodics, periodiccnt, active); 4532 adjustheap (periodics, periodiccnt, active);
4098 } 4533 }
4099 } 4534 }
… …
4101 ev_stop (EV_A_ (W)w); 4536 ev_stop (EV_A_ (W)w);
4102 4537
4103 EV_FREQUENT_CHECK; 4538 EV_FREQUENT_CHECK;
4104} 4539}
4105 4540
4106noinline 4541ecb_noinline
4107void 4542void
4108ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT 4543ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
4109{ 4544{
4110 /* TODO: use adjustheap and recalculation */ 4545 /* TODO: use adjustheap and recalculation */
4111 ev_periodic_stop (EV_A_ w); 4546 ev_periodic_stop (EV_A_ w);
… …
4117# define SA_RESTART 0 4552# define SA_RESTART 0
4118#endif 4553#endif
4119 4554
4120#if EV_SIGNAL_ENABLE 4555#if EV_SIGNAL_ENABLE
4121 4556
4122noinline 4557ecb_noinline
4123void 4558void
4124ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT 4559ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
4125{ 4560{
4126 if (expect_false (ev_is_active (w))) 4561 if (ecb_expect_false (ev_is_active (w)))
4127 return; 4562 return;
4128 4563
4129 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4564 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
4130 4565
4131#if EV_MULTIPLICITY 4566#if EV_MULTIPLICITY
… …
4200 } 4635 }
4201 4636
4202 EV_FREQUENT_CHECK; 4637 EV_FREQUENT_CHECK;
4203} 4638}
4204 4639
4205noinline 4640ecb_noinline
4206void 4641void
4207ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT 4642ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
4208{ 4643{
4209 clear_pending (EV_A_ (W)w); 4644 clear_pending (EV_A_ (W)w);
4210 if (expect_false (!ev_is_active (w))) 4645 if (ecb_expect_false (!ev_is_active (w)))
4211 return; 4646 return;
4212 4647
4213 EV_FREQUENT_CHECK; 4648 EV_FREQUENT_CHECK;
4214 4649
4215 wlist_del (&signals [w->signum - 1].head, (WL)w); 4650 wlist_del (&signals [w->signum - 1].head, (WL)w);
… …
4248ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT 4683ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
4249{ 4684{
4250#if EV_MULTIPLICITY 4685#if EV_MULTIPLICITY
4251 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4686 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
4252#endif 4687#endif
4253 if (expect_false (ev_is_active (w))) 4688 if (ecb_expect_false (ev_is_active (w)))
4254 return; 4689 return;
4255 4690
4256 EV_FREQUENT_CHECK; 4691 EV_FREQUENT_CHECK;
4257 4692
4258 ev_start (EV_A_ (W)w, 1); 4693 ev_start (EV_A_ (W)w, 1);
… …
4263 4698
4264void 4699void
4265ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT 4700ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4266{ 4701{
4267 clear_pending (EV_A_ (W)w); 4702 clear_pending (EV_A_ (W)w);
4268 if (expect_false (!ev_is_active (w))) 4703 if (ecb_expect_false (!ev_is_active (w)))
4269 return; 4704 return;
4270 4705
4271 EV_FREQUENT_CHECK; 4706 EV_FREQUENT_CHECK;
4272 4707
4273 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); 4708 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
… …
4287 4722
4288#define DEF_STAT_INTERVAL 5.0074891 4723#define DEF_STAT_INTERVAL 5.0074891
4289#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4724#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4290#define MIN_STAT_INTERVAL 0.1074891 4725#define MIN_STAT_INTERVAL 0.1074891
4291 4726
4292noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4727ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4293 4728
4294#if EV_USE_INOTIFY 4729#if EV_USE_INOTIFY
4295 4730
4296/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4731/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4297# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4732# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4298 4733
4299noinline 4734ecb_noinline
4300static void 4735static void
4301infy_add (EV_P_ ev_stat *w) 4736infy_add (EV_P_ ev_stat *w)
4302{ 4737{
4303 w->wd = inotify_add_watch (fs_fd, w->path, 4738 w->wd = inotify_add_watch (fs_fd, w->path,
4304 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4739 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
… …
4369 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4804 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4370 ev_timer_again (EV_A_ &w->timer); 4805 ev_timer_again (EV_A_ &w->timer);
4371 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4806 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4372} 4807}
4373 4808
4374noinline 4809ecb_noinline
4375static void 4810static void
4376infy_del (EV_P_ ev_stat *w) 4811infy_del (EV_P_ ev_stat *w)
4377{ 4812{
4378 int slot; 4813 int slot;
4379 int wd = w->wd; 4814 int wd = w->wd;
… …
4387 4822
4388 /* remove this watcher, if others are watching it, they will rearm */ 4823 /* remove this watcher, if others are watching it, they will rearm */
4389 inotify_rm_watch (fs_fd, wd); 4824 inotify_rm_watch (fs_fd, wd);
4390} 4825}
4391 4826
4392noinline 4827ecb_noinline
4393static void 4828static void
4394infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4829infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4395{ 4830{
4396 if (slot < 0) 4831 if (slot < 0)
4397 /* overflow, need to check for all hash slots */ 4832 /* overflow, need to check for all hash slots */
… …
4543 w->attr.st_nlink = 0; 4978 w->attr.st_nlink = 0;
4544 else if (!w->attr.st_nlink) 4979 else if (!w->attr.st_nlink)
4545 w->attr.st_nlink = 1; 4980 w->attr.st_nlink = 1;
4546} 4981}
4547 4982
4548noinline 4983ecb_noinline
4549static void 4984static void
4550stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4985stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4551{ 4986{
4552 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4987 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4553 4988
… …
4587} 5022}
4588 5023
4589void 5024void
4590ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT 5025ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4591{ 5026{
4592 if (expect_false (ev_is_active (w))) 5027 if (ecb_expect_false (ev_is_active (w)))
4593 return; 5028 return;
4594 5029
4595 ev_stat_stat (EV_A_ w); 5030 ev_stat_stat (EV_A_ w);
4596 5031
4597 if (w->interval < MIN_STAT_INTERVAL && w->interval) 5032 if (w->interval < MIN_STAT_INTERVAL && w->interval)
… …
4619 5054
4620void 5055void
4621ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT 5056ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4622{ 5057{
4623 clear_pending (EV_A_ (W)w); 5058 clear_pending (EV_A_ (W)w);
4624 if (expect_false (!ev_is_active (w))) 5059 if (ecb_expect_false (!ev_is_active (w)))
4625 return; 5060 return;
4626 5061
4627 EV_FREQUENT_CHECK; 5062 EV_FREQUENT_CHECK;
4628 5063
4629#if EV_USE_INOTIFY 5064#if EV_USE_INOTIFY
… …
4644 5079
4645#if EV_IDLE_ENABLE 5080#if EV_IDLE_ENABLE
4646void 5081void
4647ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT 5082ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4648{ 5083{
4649 if (expect_false (ev_is_active (w))) 5084 if (ecb_expect_false (ev_is_active (w)))
4650 return; 5085 return;
4651 5086
4652 pri_adjust (EV_A_ (W)w); 5087 pri_adjust (EV_A_ (W)w);
4653 5088
4654 EV_FREQUENT_CHECK; 5089 EV_FREQUENT_CHECK;
… …
4668 5103
4669void 5104void
4670ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT 5105ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4671{ 5106{
4672 clear_pending (EV_A_ (W)w); 5107 clear_pending (EV_A_ (W)w);
4673 if (expect_false (!ev_is_active (w))) 5108 if (ecb_expect_false (!ev_is_active (w)))
4674 return; 5109 return;
4675 5110
4676 EV_FREQUENT_CHECK; 5111 EV_FREQUENT_CHECK;
4677 5112
4678 { 5113 {
… …
4691 5126
4692#if EV_PREPARE_ENABLE 5127#if EV_PREPARE_ENABLE
4693void 5128void
4694ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT 5129ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4695{ 5130{
4696 if (expect_false (ev_is_active (w))) 5131 if (ecb_expect_false (ev_is_active (w)))
4697 return; 5132 return;
4698 5133
4699 EV_FREQUENT_CHECK; 5134 EV_FREQUENT_CHECK;
4700 5135
4701 ev_start (EV_A_ (W)w, ++preparecnt); 5136 ev_start (EV_A_ (W)w, ++preparecnt);
… …
4707 5142
4708void 5143void
4709ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT 5144ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4710{ 5145{
4711 clear_pending (EV_A_ (W)w); 5146 clear_pending (EV_A_ (W)w);
4712 if (expect_false (!ev_is_active (w))) 5147 if (ecb_expect_false (!ev_is_active (w)))
4713 return; 5148 return;
4714 5149
4715 EV_FREQUENT_CHECK; 5150 EV_FREQUENT_CHECK;
4716 5151
4717 { 5152 {
… …
4729 5164
4730#if EV_CHECK_ENABLE 5165#if EV_CHECK_ENABLE
4731void 5166void
4732ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT 5167ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4733{ 5168{
4734 if (expect_false (ev_is_active (w))) 5169 if (ecb_expect_false (ev_is_active (w)))
4735 return; 5170 return;
4736 5171
4737 EV_FREQUENT_CHECK; 5172 EV_FREQUENT_CHECK;
4738 5173
4739 ev_start (EV_A_ (W)w, ++checkcnt); 5174 ev_start (EV_A_ (W)w, ++checkcnt);
… …
4745 5180
4746void 5181void
4747ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT 5182ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4748{ 5183{
4749 clear_pending (EV_A_ (W)w); 5184 clear_pending (EV_A_ (W)w);
4750 if (expect_false (!ev_is_active (w))) 5185 if (ecb_expect_false (!ev_is_active (w)))
4751 return; 5186 return;
4752 5187
4753 EV_FREQUENT_CHECK; 5188 EV_FREQUENT_CHECK;
4754 5189
4755 { 5190 {
… …
4764 EV_FREQUENT_CHECK; 5199 EV_FREQUENT_CHECK;
4765} 5200}
4766#endif 5201#endif
4767 5202
4768#if EV_EMBED_ENABLE 5203#if EV_EMBED_ENABLE
4769noinline 5204ecb_noinline
4770void 5205void
4771ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT 5206ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4772{ 5207{
4773 ev_run (w->other, EVRUN_NOWAIT); 5208 ev_run (w->other, EVRUN_NOWAIT);
4774} 5209}
… …
4798 ev_run (EV_A_ EVRUN_NOWAIT); 5233 ev_run (EV_A_ EVRUN_NOWAIT);
4799 } 5234 }
4800 } 5235 }
4801} 5236}
4802 5237
5238#if EV_FORK_ENABLE
4803static void 5239static void
4804embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) 5240embed_fork_cb (EV_P_ ev_fork *fork_w, int revents)
4805{ 5241{
4806 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); 5242 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
4807 5243
… …
4814 ev_run (EV_A_ EVRUN_NOWAIT); 5250 ev_run (EV_A_ EVRUN_NOWAIT);
4815 } 5251 }
4816 5252
4817 ev_embed_start (EV_A_ w); 5253 ev_embed_start (EV_A_ w);
4818} 5254}
5255#endif
4819 5256
4820#if 0 5257#if 0
4821static void 5258static void
4822embed_idle_cb (EV_P_ ev_idle *idle, int revents) 5259embed_idle_cb (EV_P_ ev_idle *idle, int revents)
4823{ 5260{
… …
4826#endif 5263#endif
4827 5264
4828void 5265void
4829ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT 5266ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4830{ 5267{
4831 if (expect_false (ev_is_active (w))) 5268 if (ecb_expect_false (ev_is_active (w)))
4832 return; 5269 return;
4833 5270
4834 { 5271 {
4835 EV_P = w->other; 5272 EV_P = w->other;
4836 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 5273 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
… …
4844 5281
4845 ev_prepare_init (&w->prepare, embed_prepare_cb); 5282 ev_prepare_init (&w->prepare, embed_prepare_cb);
4846 ev_set_priority (&w->prepare, EV_MINPRI); 5283 ev_set_priority (&w->prepare, EV_MINPRI);
4847 ev_prepare_start (EV_A_ &w->prepare); 5284 ev_prepare_start (EV_A_ &w->prepare);
4848 5285
5286#if EV_FORK_ENABLE
4849 ev_fork_init (&w->fork, embed_fork_cb); 5287 ev_fork_init (&w->fork, embed_fork_cb);
4850 ev_fork_start (EV_A_ &w->fork); 5288 ev_fork_start (EV_A_ &w->fork);
5289#endif
4851 5290
4852 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ 5291 /*ev_idle_init (&w->idle, e,bed_idle_cb);*/
4853 5292
4854 ev_start (EV_A_ (W)w, 1); 5293 ev_start (EV_A_ (W)w, 1);
4855 5294
… …
4858 5297
4859void 5298void
4860ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT 5299ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4861{ 5300{
4862 clear_pending (EV_A_ (W)w); 5301 clear_pending (EV_A_ (W)w);
4863 if (expect_false (!ev_is_active (w))) 5302 if (ecb_expect_false (!ev_is_active (w)))
4864 return; 5303 return;
4865 5304
4866 EV_FREQUENT_CHECK; 5305 EV_FREQUENT_CHECK;
4867 5306
4868 ev_io_stop (EV_A_ &w->io); 5307 ev_io_stop (EV_A_ &w->io);
4869 ev_prepare_stop (EV_A_ &w->prepare); 5308 ev_prepare_stop (EV_A_ &w->prepare);
5309#if EV_FORK_ENABLE
4870 ev_fork_stop (EV_A_ &w->fork); 5310 ev_fork_stop (EV_A_ &w->fork);
5311#endif
4871 5312
4872 ev_stop (EV_A_ (W)w); 5313 ev_stop (EV_A_ (W)w);
4873 5314
4874 EV_FREQUENT_CHECK; 5315 EV_FREQUENT_CHECK;
4875} 5316}
… …
4877 5318
4878#if EV_FORK_ENABLE 5319#if EV_FORK_ENABLE
4879void 5320void
4880ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT 5321ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4881{ 5322{
4882 if (expect_false (ev_is_active (w))) 5323 if (ecb_expect_false (ev_is_active (w)))
4883 return; 5324 return;
4884 5325
4885 EV_FREQUENT_CHECK; 5326 EV_FREQUENT_CHECK;
4886 5327
4887 ev_start (EV_A_ (W)w, ++forkcnt); 5328 ev_start (EV_A_ (W)w, ++forkcnt);
… …
4893 5334
4894void 5335void
4895ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT 5336ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4896{ 5337{
4897 clear_pending (EV_A_ (W)w); 5338 clear_pending (EV_A_ (W)w);
4898 if (expect_false (!ev_is_active (w))) 5339 if (ecb_expect_false (!ev_is_active (w)))
4899 return; 5340 return;
4900 5341
4901 EV_FREQUENT_CHECK; 5342 EV_FREQUENT_CHECK;
4902 5343
4903 { 5344 {
… …
4915 5356
4916#if EV_CLEANUP_ENABLE 5357#if EV_CLEANUP_ENABLE
4917void 5358void
4918ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5359ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4919{ 5360{
4920 if (expect_false (ev_is_active (w))) 5361 if (ecb_expect_false (ev_is_active (w)))
4921 return; 5362 return;
4922 5363
4923 EV_FREQUENT_CHECK; 5364 EV_FREQUENT_CHECK;
4924 5365
4925 ev_start (EV_A_ (W)w, ++cleanupcnt); 5366 ev_start (EV_A_ (W)w, ++cleanupcnt);
… …
4933 5374
4934void 5375void
4935ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT 5376ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4936{ 5377{
4937 clear_pending (EV_A_ (W)w); 5378 clear_pending (EV_A_ (W)w);
4938 if (expect_false (!ev_is_active (w))) 5379 if (ecb_expect_false (!ev_is_active (w)))
4939 return; 5380 return;
4940 5381
4941 EV_FREQUENT_CHECK; 5382 EV_FREQUENT_CHECK;
4942 ev_ref (EV_A); 5383 ev_ref (EV_A);
4943 5384
… …
4956 5397
4957#if EV_ASYNC_ENABLE 5398#if EV_ASYNC_ENABLE
4958void 5399void
4959ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT 5400ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4960{ 5401{
4961 if (expect_false (ev_is_active (w))) 5402 if (ecb_expect_false (ev_is_active (w)))
4962 return; 5403 return;
4963 5404
4964 w->sent = 0; 5405 w->sent = 0;
4965 5406
4966 evpipe_init (EV_A); 5407 evpipe_init (EV_A);
… …
4976 5417
4977void 5418void
4978ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT 5419ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4979{ 5420{
4980 clear_pending (EV_A_ (W)w); 5421 clear_pending (EV_A_ (W)w);
4981 if (expect_false (!ev_is_active (w))) 5422 if (ecb_expect_false (!ev_is_active (w)))
4982 return; 5423 return;
4983 5424
4984 EV_FREQUENT_CHECK; 5425 EV_FREQUENT_CHECK;
4985 5426
4986 { 5427 {

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