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Comparing libev/ev.c (file contents):
Revision 1.468 by root, Fri Sep 5 16:00:17 2014 UTC vs.
Revision 1.503 by root, Wed Jul 3 21:52:04 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	269	# endif
259	#endif	270	#endif
260		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
		278	# endif
		279	#endif
		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	283	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	284	# else
265	# define EV_USE_MONOTONIC 0	285	# define EV_USE_MONOTONIC 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
309	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	348	# else
313	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
354		390
355	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	393	#endif
358		394
359	#ifdef ANDROID	395	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	414	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
383	# else	420	# else
384	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	423	# endif
387	#endif	424	#endif
…		…
405		442
406	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		453	# define EV_NEED_SYSCALL 1
		454	# else
		455	# undef EV_USE_LINUXAIO
		456	# define EV_USE_LINUXAIO 0
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !SYS_io_uring_setup && __linux && !__alpha
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
410	# endif	472	# endif
411	#endif	473	#endif
412		474
413	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	518	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
458	};	520	};
459	#endif	521	#endif
460		522
461	/**/	523	/*****************************************************************************/
462		524
463	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	527	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
471	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
472	*/	534	*/
473	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
474	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
475		537
476	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	538	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
477	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		540
		541	/* find a portable timestamp that is "alawys" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes large than 32 bit, but and maybe the unlikely loating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
478		548
479	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	549	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
480	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	550	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
481		551
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	552	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	553	/* ECB.H BEGIN */
484	/*	554	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	555	* libecb - http://software.schmorp.de/pkg/libecb
486	*	556	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	557	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	558	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	559	* All rights reserved.
490	*	560	*
491	* Redistribution and use in source and binary forms, with or without modifica-	561	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	562	* tion, are permitted provided that the following conditions are met:
…		…
523		593
524	#ifndef ECB_H	594	#ifndef ECB_H
525	#define ECB_H	595	#define ECB_H
526		596
527	/* 16 bits major, 16 bits minor */	597	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	598	#define ECB_VERSION 0x00010006
529		599
530	#ifdef _WIN32	600	#ifdef _WIN32
531	typedef signed char int8_t;	601	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	602	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	603	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	620	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	621	typedef int32_t intptr_t;
552	#endif	622	#endif
553	#else	623	#else
554	#include <inttypes.h>	624	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	625	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	626	#define ECB_PTRSIZE 8
557	#else	627	#else
558	#define ECB_PTRSIZE 4	628	#define ECB_PTRSIZE 4
559	#endif	629	#endif
560	#endif	630	#endif
561		631
		632	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		633	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		634
562	/* work around x32 idiocy by defining proper macros */	635	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	636	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	637	#if _ILP32
565	#define ECB_AMD64_X32 1	638	#define ECB_AMD64_X32 1
566	#else	639	#else
567	#define ECB_AMD64 1	640	#define ECB_AMD64 1
568	#endif	641	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	646	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	647	* or so.
575	* we try to detect these and simply assume they are not gcc - if they have	648	* we try to detect these and simply assume they are not gcc - if they have
576	* an issue with that they should have done it right in the first place.	649	* an issue with that they should have done it right in the first place.
577	*/	650	*/
578	#ifndef ECB_GCC_VERSION
579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	651	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
580	#define ECB_GCC_VERSION(major,minor) 0	652	#define ECB_GCC_VERSION(major,minor) 0
581	#else	653	#else
582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	654	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
583	#endif	655	#endif
		656
		657	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		658
		659	#if __clang__ && defined __has_builtin
		660	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		661	#else
		662	#define ECB_CLANG_BUILTIN(x) 0
		663	#endif
		664
		665	#if __clang__ && defined __has_extension
		666	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		667	#else
		668	#define ECB_CLANG_EXTENSION(x) 0
584	#endif	669	#endif
585		670
586	#define ECB_CPP (__cplusplus+0)	671	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	672	#define ECB_CPP11 (__cplusplus >= 201103L)
		673	#define ECB_CPP14 (__cplusplus >= 201402L)
		674	#define ECB_CPP17 (__cplusplus >= 201703L)
588		675
589	#if ECB_CPP	676	#if ECB_CPP
590	#define ECB_C 0	677	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	678	#define ECB_STDC_VERSION 0
592	#else	679	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	681	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	682	#endif
596		683
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	684	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	685	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		686	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		687
600	#if ECB_CPP	688	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	689	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	690	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	691	#define ECB_EXTERN_C_END }
…		…
618		706
619	#if ECB_NO_SMP	707	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	708	#define ECB_MEMORY_FENCE do { } while (0)
621	#endif	709	#endif
622		710
		711	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		712	#if __xlC__ && ECB_CPP
		713	#include <builtins.h>
		714	#endif
		715
		716	#if 1400 <= _MSC_VER
		717	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		718	#endif
		719
623	#ifndef ECB_MEMORY_FENCE	720	#ifndef ECB_MEMORY_FENCE
624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	721	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		722	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
625	#if __i386 || __i386__	723	#if __i386 || __i386__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	724	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	725	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	726	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	727	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	728	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	729	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	730	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	731	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	732	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		733	#elif defined __ARM_ARCH_2__ \
		734	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		735	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		736	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		737	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		738	|| defined __ARM_ARCH_5TEJ__
		739	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	740	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	741	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		742	|| defined __ARM_ARCH_6T2__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	743	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	744	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	745	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	746	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	747	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	749	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	751	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	752	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	753	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	754	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
671	#if ECB_GCC_VERSION(4,7)	777	#if ECB_GCC_VERSION(4,7)
672	/* see comment below (stdatomic.h) about the C11 memory model. */	778	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	779	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	780	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	781	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		782	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
676		783
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	784	#elif ECB_CLANG_EXTENSION(c_atomic)
678	* without risking compile time errors with other compilers. We *could*
679	* define our own ecb_clang_has_feature, but I just can't be bothered to work
680	* around this shit time and again.
681	* #elif defined __clang && __has_feature (cxx_atomic)
682	* // see comment below (stdatomic.h) about the C11 memory model.	785	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	786	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	787	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	788	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/	789	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
687		790
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	791	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	792	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	793	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	794	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
701	#elif defined _WIN32	804	#elif defined _WIN32
702	#include <WinNT.h>	805	#include <WinNT.h>
703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	806	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	807	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
705	#include <mbarrier.h>	808	#include <mbarrier.h>
706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	809	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	810	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	811	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		812	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
709	#elif __xlC__	813	#elif __xlC__
710	#define ECB_MEMORY_FENCE __sync ()	814	#define ECB_MEMORY_FENCE __sync ()
711	#endif	815	#endif
712	#endif	816	#endif
713		817
714	#ifndef ECB_MEMORY_FENCE	818	#ifndef ECB_MEMORY_FENCE
715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	819	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
716	/* we assume that these memory fences work on all variables/all memory accesses, */	820	/* we assume that these memory fences work on all variables/all memory accesses, */
717	/* not just C11 atomics and atomic accesses */	821	/* not just C11 atomics and atomic accesses */
718	#include <stdatomic.h>	822	#include <stdatomic.h>
719	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
720	/* any fence other than seq_cst, which isn't very efficient for us. */
721	/* Why that is, we don't know - either the C11 memory model is quite useless */
722	/* for most usages, or gcc and clang have a bug */
723	/* I *currently* lean towards the latter, and inefficiently implement */
724	/* all three of ecb's fences as a seq_cst fence */
725	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
726	/* for all __atomic_thread_fence's except seq_cst */
727	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	823	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		824	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		825	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
728	#endif	826	#endif
729	#endif	827	#endif
730		828
731	#ifndef ECB_MEMORY_FENCE	829	#ifndef ECB_MEMORY_FENCE
732	#if !ECB_AVOID_PTHREADS	830	#if !ECB_AVOID_PTHREADS
…		…
752		850
753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	851	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	852	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	853	#endif
756		854
		855	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		856	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		857	#endif
		858
757	/*****************************************************************************/	859	/*****************************************************************************/
758		860
759	#if __cplusplus	861	#if ECB_CPP
760	#define ecb_inline static inline	862	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	863	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	864	#define ecb_inline static __inline__
763	#elif ECB_C99	865	#elif ECB_C99
764	#define ecb_inline static inline	866	#define ecb_inline static inline
…		…
778		880
779	#define ECB_CONCAT_(a, b) a ## b	881	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	882	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	883	#define ECB_STRINGIFY_(a) # a
782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	884	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		885	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
783		886
784	#define ecb_function_ ecb_inline	887	#define ecb_function_ ecb_inline
785		888
786	#if ECB_GCC_VERSION(3,1)	889	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	890	#define ecb_attribute(attrlist) __attribute__ (attrlist)
788	#define ecb_is_constant(expr) __builtin_constant_p (expr)
789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
791	#else	891	#else
792	#define ecb_attribute(attrlist)	892	#define ecb_attribute(attrlist)
		893	#endif
793		894
		895	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		896	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		897	#else
794	/* possible C11 impl for integral types	898	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	899	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
796	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	900	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
797		901
798	#define ecb_is_constant(expr) 0	902	#define ecb_is_constant(expr) 0
		903	#endif
		904
		905	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		906	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		907	#else
799	#define ecb_expect(expr,value) (expr)	908	#define ecb_expect(expr,value) (expr)
		909	#endif
		910
		911	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		912	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		913	#else
800	#define ecb_prefetch(addr,rw,locality)	914	#define ecb_prefetch(addr,rw,locality)
801	#endif	915	#endif
802		916
803	/* no emulation for ecb_decltype */	917	/* no emulation for ecb_decltype */
804	#if ECB_GCC_VERSION(4,5)	918	#if ECB_CPP11
		919	// older implementations might have problems with decltype(x)::type, work around it
		920	template<class T> struct ecb_decltype_t { typedef T type; };
805	#define ecb_decltype(x) __decltype(x)	921	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	922	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	923	#define ecb_decltype(x) __typeof__ (x)
808	#endif	924	#endif
809		925
810	#if _MSC_VER >= 1300	926	#if _MSC_VER >= 1300
811	#define ecb_deprecated __declspec(deprecated)	927	#define ecb_deprecated __declspec (deprecated)
812	#else	928	#else
813	#define ecb_deprecated ecb_attribute ((__deprecated__))	929	#define ecb_deprecated ecb_attribute ((__deprecated__))
814	#endif	930	#endif
815		931
		932	#if _MSC_VER >= 1500
		933	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		934	#elif ECB_GCC_VERSION(4,5)
		935	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		936	#else
		937	#define ecb_deprecated_message(msg) ecb_deprecated
		938	#endif
		939
		940	#if _MSC_VER >= 1400
		941	#define ecb_noinline __declspec (noinline)
		942	#else
816	#define ecb_noinline ecb_attribute ((__noinline__))	943	#define ecb_noinline ecb_attribute ((__noinline__))
		944	#endif
		945
817	#define ecb_unused ecb_attribute ((__unused__))	946	#define ecb_unused ecb_attribute ((__unused__))
818	#define ecb_const ecb_attribute ((__const__))	947	#define ecb_const ecb_attribute ((__const__))
819	#define ecb_pure ecb_attribute ((__pure__))	948	#define ecb_pure ecb_attribute ((__pure__))
820		949
821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	950	#if ECB_C11 || __IBMC_NORETURN
822	#if ECB_C11	951	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
823	#define ecb_noreturn _Noreturn	952	#define ecb_noreturn _Noreturn
		953	#elif ECB_CPP11
		954	#define ecb_noreturn [[noreturn]]
		955	#elif _MSC_VER >= 1200
		956	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		957	#define ecb_noreturn __declspec (noreturn)
824	#else	958	#else
825	#define ecb_noreturn ecb_attribute ((__noreturn__))	959	#define ecb_noreturn ecb_attribute ((__noreturn__))
826	#endif	960	#endif
827		961
828	#if ECB_GCC_VERSION(4,3)	962	#if ECB_GCC_VERSION(4,3)
…		…
843	/* for compatibility to the rest of the world */	977	/* for compatibility to the rest of the world */
844	#define ecb_likely(expr) ecb_expect_true (expr)	978	#define ecb_likely(expr) ecb_expect_true (expr)
845	#define ecb_unlikely(expr) ecb_expect_false (expr)	979	#define ecb_unlikely(expr) ecb_expect_false (expr)
846		980
847	/* count trailing zero bits and count # of one bits */	981	/* count trailing zero bits and count # of one bits */
848	#if ECB_GCC_VERSION(3,4)	982	#if ECB_GCC_VERSION(3,4) \
		983	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		984	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		985	&& ECB_CLANG_BUILTIN(__builtin_popcount))
849	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	986	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
850	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	987	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
851	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	988	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
852	#define ecb_ctz32(x) __builtin_ctz (x)	989	#define ecb_ctz32(x) __builtin_ctz (x)
853	#define ecb_ctz64(x) __builtin_ctzll (x)	990	#define ecb_ctz64(x) __builtin_ctzll (x)
854	#define ecb_popcount32(x) __builtin_popcount (x)	991	#define ecb_popcount32(x) __builtin_popcount (x)
855	/* no popcountll */	992	/* no popcountll */
856	#else	993	#else
857	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	994	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
858	ecb_function_ int	995	ecb_function_ ecb_const int
859	ecb_ctz32 (uint32_t x)	996	ecb_ctz32 (uint32_t x)
860	{	997	{
		998	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		999	unsigned long r;
		1000	_BitScanForward (&r, x);
		1001	return (int)r;
		1002	#else
861	int r = 0;	1003	int r = 0;
862		1004
863	x &= ~x + 1; /* this isolates the lowest bit */	1005	x &= ~x + 1; /* this isolates the lowest bit */
864		1006
865	#if ECB_branchless_on_i386	1007	#if ECB_branchless_on_i386
…		…
875	if (x & 0xff00ff00) r += 8;	1017	if (x & 0xff00ff00) r += 8;
876	if (x & 0xffff0000) r += 16;	1018	if (x & 0xffff0000) r += 16;
877	#endif	1019	#endif
878		1020
879	return r;	1021	return r;
		1022	#endif
880	}	1023	}
881		1024
882	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1025	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
883	ecb_function_ int	1026	ecb_function_ ecb_const int
884	ecb_ctz64 (uint64_t x)	1027	ecb_ctz64 (uint64_t x)
885	{	1028	{
		1029	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1030	unsigned long r;
		1031	_BitScanForward64 (&r, x);
		1032	return (int)r;
		1033	#else
886	int shift = x & 0xffffffffU ? 0 : 32;	1034	int shift = x & 0xffffffff ? 0 : 32;
887	return ecb_ctz32 (x >> shift) + shift;	1035	return ecb_ctz32 (x >> shift) + shift;
		1036	#endif
888	}	1037	}
889		1038
890	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
891	ecb_function_ int	1040	ecb_function_ ecb_const int
892	ecb_popcount32 (uint32_t x)	1041	ecb_popcount32 (uint32_t x)
893	{	1042	{
894	x -= (x >> 1) & 0x55555555;	1043	x -= (x >> 1) & 0x55555555;
895	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1044	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
896	x = ((x >> 4) + x) & 0x0f0f0f0f;	1045	x = ((x >> 4) + x) & 0x0f0f0f0f;
897	x *= 0x01010101;	1046	x *= 0x01010101;
898		1047
899	return x >> 24;	1048	return x >> 24;
900	}	1049	}
901		1050
902	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1051	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
903	ecb_function_ int ecb_ld32 (uint32_t x)	1052	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
904	{	1053	{
		1054	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1055	unsigned long r;
		1056	_BitScanReverse (&r, x);
		1057	return (int)r;
		1058	#else
905	int r = 0;	1059	int r = 0;
906		1060
907	if (x >> 16) { x >>= 16; r += 16; }	1061	if (x >> 16) { x >>= 16; r += 16; }
908	if (x >> 8) { x >>= 8; r += 8; }	1062	if (x >> 8) { x >>= 8; r += 8; }
909	if (x >> 4) { x >>= 4; r += 4; }	1063	if (x >> 4) { x >>= 4; r += 4; }
910	if (x >> 2) { x >>= 2; r += 2; }	1064	if (x >> 2) { x >>= 2; r += 2; }
911	if (x >> 1) { r += 1; }	1065	if (x >> 1) { r += 1; }
912		1066
913	return r;	1067	return r;
		1068	#endif
914	}	1069	}
915		1070
916	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1071	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
917	ecb_function_ int ecb_ld64 (uint64_t x)	1072	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
918	{	1073	{
		1074	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1075	unsigned long r;
		1076	_BitScanReverse64 (&r, x);
		1077	return (int)r;
		1078	#else
919	int r = 0;	1079	int r = 0;
920		1080
921	if (x >> 32) { x >>= 32; r += 32; }	1081	if (x >> 32) { x >>= 32; r += 32; }
922		1082
923	return r + ecb_ld32 (x);	1083	return r + ecb_ld32 (x);
		1084	#endif
924	}	1085	}
925	#endif	1086	#endif
926		1087
927	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1088	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
928	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1089	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
929	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1090	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
930	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1091	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
931		1092
932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1093	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1094	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
934	{	1095	{
935	return ( (x * 0x0802U & 0x22110U)	1096	return ( (x * 0x0802U & 0x22110U)
936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1097	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
937	}	1098	}
938		1099
939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1101	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
941	{	1102	{
942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1103	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1104	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1105	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
945	x = ( x >> 8 ) | ( x << 8);	1106	x = ( x >> 8 ) | ( x << 8);
946		1107
947	return x;	1108	return x;
948	}	1109	}
949		1110
950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1111	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1112	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
952	{	1113	{
953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1114	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1115	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1116	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1117	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
959	return x;	1120	return x;
960	}	1121	}
961		1122
962	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1123	/* popcount64 is only available on 64 bit cpus as gcc builtin */
963	/* so for this version we are lazy */	1124	/* so for this version we are lazy */
964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
965	ecb_function_ int	1126	ecb_function_ ecb_const int
966	ecb_popcount64 (uint64_t x)	1127	ecb_popcount64 (uint64_t x)
967	{	1128	{
968	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1129	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
969	}	1130	}
970		1131
971	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1132	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
972	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1133	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
973	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1134	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
974	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1135	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
975	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1136	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
976	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1137	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
977	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1138	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
978	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1139	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
979		1140
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1141	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
981	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1142	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
982	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1143	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
983	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1144	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
984	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1145	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
985	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1146	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
986	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1147	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
987	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1148	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
988		1149
989	#if ECB_GCC_VERSION(4,3)	1150	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1151	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1152	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1153	#else
990	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1154	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1155	#endif
991	#define ecb_bswap32(x) __builtin_bswap32 (x)	1156	#define ecb_bswap32(x) __builtin_bswap32 (x)
992	#define ecb_bswap64(x) __builtin_bswap64 (x)	1157	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1158	#elif _MSC_VER
		1159	#include <stdlib.h>
		1160	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1161	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1162	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
993	#else	1163	#else
994	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1164	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
995	ecb_function_ uint16_t	1165	ecb_function_ ecb_const uint16_t
996	ecb_bswap16 (uint16_t x)	1166	ecb_bswap16 (uint16_t x)
997	{	1167	{
998	return ecb_rotl16 (x, 8);	1168	return ecb_rotl16 (x, 8);
999	}	1169	}
1000		1170
1001	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1171	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1002	ecb_function_ uint32_t	1172	ecb_function_ ecb_const uint32_t
1003	ecb_bswap32 (uint32_t x)	1173	ecb_bswap32 (uint32_t x)
1004	{	1174	{
1005	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1175	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1006	}	1176	}
1007		1177
1008	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1178	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1009	ecb_function_ uint64_t	1179	ecb_function_ ecb_const uint64_t
1010	ecb_bswap64 (uint64_t x)	1180	ecb_bswap64 (uint64_t x)
1011	{	1181	{
1012	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1182	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1013	}	1183	}
1014	#endif	1184	#endif
1015		1185
1016	#if ECB_GCC_VERSION(4,5)	1186	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1017	#define ecb_unreachable() __builtin_unreachable ()	1187	#define ecb_unreachable() __builtin_unreachable ()
1018	#else	1188	#else
1019	/* this seems to work fine, but gcc always emits a warning for it :/ */	1189	/* this seems to work fine, but gcc always emits a warning for it :/ */
1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1190	ecb_inline ecb_noreturn void ecb_unreachable (void);
1021	ecb_inline void ecb_unreachable (void) { }	1191	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1022	#endif	1192	#endif
1023		1193
1024	/* try to tell the compiler that some condition is definitely true */	1194	/* try to tell the compiler that some condition is definitely true */
1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1195	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1026		1196
1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1197	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1028	ecb_inline unsigned char	1198	ecb_inline ecb_const uint32_t
1029	ecb_byteorder_helper (void)	1199	ecb_byteorder_helper (void)
1030	{	1200	{
1031	/* the union code still generates code under pressure in gcc, */	1201	/* the union code still generates code under pressure in gcc, */
1032	/* but less than using pointers, and always seems to */	1202	/* but less than using pointers, and always seems to */
1033	/* successfully return a constant. */	1203	/* successfully return a constant. */
1034	/* the reason why we have this horrible preprocessor mess */	1204	/* the reason why we have this horrible preprocessor mess */
1035	/* is to avoid it in all cases, at least on common architectures */	1205	/* is to avoid it in all cases, at least on common architectures */
1036	/* or when using a recent enough gcc version (>= 4.6) */	1206	/* or when using a recent enough gcc version (>= 4.6) */
1037	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1038	return 0x44;
1039	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1207	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1208	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1209	#define ECB_LITTLE_ENDIAN 1
1040	return 0x44;	1210	return 0x44332211;
1041	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1211	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1212	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1213	#define ECB_BIG_ENDIAN 1
1042	return 0x11;	1214	return 0x11223344;
1043	#else	1215	#else
1044	union	1216	union
1045	{	1217	{
		1218	uint8_t c[4];
1046	uint32_t i;	1219	uint32_t u;
1047	uint8_t c;
1048	} u = { 0x11223344 };	1220	} u = { 0x11, 0x22, 0x33, 0x44 };
1049	return u.c;	1221	return u.u;
1050	#endif	1222	#endif
1051	}	1223	}
1052		1224
1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1225	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1054	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1226	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1055	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1227	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1056	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1228	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1057		1229
1058	#if ECB_GCC_VERSION(3,0) || ECB_C99	1230	#if ECB_GCC_VERSION(3,0) || ECB_C99
1059	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1231	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1060	#else	1232	#else
1061	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1233	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1062	#endif	1234	#endif
1063		1235
1064	#if __cplusplus	1236	#if ECB_CPP
1065	template<typename T>	1237	template<typename T>
1066	static inline T ecb_div_rd (T val, T div)	1238	static inline T ecb_div_rd (T val, T div)
1067	{	1239	{
1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1240	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1069	}	1241	}
…		…
1086	}	1258	}
1087	#else	1259	#else
1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1260	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1089	#endif	1261	#endif
1090		1262
		1263	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1264	ecb_function_ ecb_const uint32_t
		1265	ecb_binary16_to_binary32 (uint32_t x)
		1266	{
		1267	unsigned int s = (x & 0x8000) << (31 - 15);
		1268	int e = (x >> 10) & 0x001f;
		1269	unsigned int m = x & 0x03ff;
		1270
		1271	if (ecb_expect_false (e == 31))
		1272	/* infinity or NaN */
		1273	e = 255 - (127 - 15);
		1274	else if (ecb_expect_false (!e))
		1275	{
		1276	if (ecb_expect_true (!m))
		1277	/* zero, handled by code below by forcing e to 0 */
		1278	e = 0 - (127 - 15);
		1279	else
		1280	{
		1281	/* subnormal, renormalise */
		1282	unsigned int s = 10 - ecb_ld32 (m);
		1283
		1284	m = (m << s) & 0x3ff; /* mask implicit bit */
		1285	e -= s - 1;
		1286	}
		1287	}
		1288
		1289	/* e and m now are normalised, or zero, (or inf or nan) */
		1290	e += 127 - 15;
		1291
		1292	return s | (e << 23) | (m << (23 - 10));
		1293	}
		1294
		1295	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1296	ecb_function_ ecb_const uint16_t
		1297	ecb_binary32_to_binary16 (uint32_t x)
		1298	{
		1299	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1300	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1301	unsigned int m = x & 0x007fffff;
		1302
		1303	x &= 0x7fffffff;
		1304
		1305	/* if it's within range of binary16 normals, use fast path */
		1306	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1307	{
		1308	/* mantissa round-to-even */
		1309	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1310
		1311	/* handle overflow */
		1312	if (ecb_expect_false (m >= 0x00800000))
		1313	{
		1314	m >>= 1;
		1315	e += 1;
		1316	}
		1317
		1318	return s | (e << 10) | (m >> (23 - 10));
		1319	}
		1320
		1321	/* handle large numbers and infinity */
		1322	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1323	return s | 0x7c00;
		1324
		1325	/* handle zero, subnormals and small numbers */
		1326	if (ecb_expect_true (x < 0x38800000))
		1327	{
		1328	/* zero */
		1329	if (ecb_expect_true (!x))
		1330	return s;
		1331
		1332	/* handle subnormals */
		1333
		1334	/* too small, will be zero */
		1335	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1336	return s;
		1337
		1338	m |= 0x00800000; /* make implicit bit explicit */
		1339
		1340	/* very tricky - we need to round to the nearest e (+10) bit value */
		1341	{
		1342	unsigned int bits = 14 - e;
		1343	unsigned int half = (1 << (bits - 1)) - 1;
		1344	unsigned int even = (m >> bits) & 1;
		1345
		1346	/* if this overflows, we will end up with a normalised number */
		1347	m = (m + half + even) >> bits;
		1348	}
		1349
		1350	return s | m;
		1351	}
		1352
		1353	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1354	m >>= 13;
		1355
		1356	return s | 0x7c00 | m | !m;
		1357	}
		1358
1091	/*******************************************************************************/	1359	/*******************************************************************************/
1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1360	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1093		1361
1094	/* basically, everything uses "ieee pure-endian" floating point numbers */	1362	/* basically, everything uses "ieee pure-endian" floating point numbers */
1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1363	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1096	#if 0 \	1364	#if 0 \
1097	|| __i386 || __i386__ \	1365	|| __i386 || __i386__ \
1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1366	|| ECB_GCC_AMD64 \
1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1367	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1100	|| defined __s390__ || defined __s390x__ \	1368	|| defined __s390__ || defined __s390x__ \
1101	|| defined __mips__ \	1369	|| defined __mips__ \
1102	|| defined __alpha__ \	1370	|| defined __alpha__ \
1103	|| defined __hppa__ \	1371	|| defined __hppa__ \
1104	|| defined __ia64__ \	1372	|| defined __ia64__ \
1105	|| defined __m68k__ \	1373	|| defined __m68k__ \
1106	|| defined __m88k__ \	1374	|| defined __m88k__ \
1107	|| defined __sh__ \	1375	|| defined __sh__ \
1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1376	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1109	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1377	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1110	|| defined __aarch64__	1378	|| defined __aarch64__
1111	#define ECB_STDFP 1	1379	#define ECB_STDFP 1
1112	#include <string.h> /* for memcpy */	1380	#include <string.h> /* for memcpy */
1113	#else	1381	#else
…		…
1129	#define ECB_NAN NAN	1397	#define ECB_NAN NAN
1130	#else	1398	#else
1131	#define ECB_NAN ECB_INFINITY	1399	#define ECB_NAN ECB_INFINITY
1132	#endif	1400	#endif
1133		1401
1134	/* converts an ieee half/binary16 to a float */	1402	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1403	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1136	ecb_function_ float	1404	#define ecb_frexpf(x,e) frexpf ((x), (e))
1137	ecb_binary16_to_float (uint16_t x)	1405	#else
1138	{	1406	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1139	int e = (x >> 10) & 0x1f;	1407	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1140	int m = x & 0x3ff;	1408	#endif
1141	float r;
1142
1143	if (!e ) r = ldexpf (m , -24);
1144	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1145	else if (m ) r = ECB_NAN;
1146	else r = ECB_INFINITY;
1147
1148	return x & 0x8000 ? -r : r;
1149	}
1150		1409
1151	/* convert a float to ieee single/binary32 */	1410	/* convert a float to ieee single/binary32 */
1152	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1411	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1153	ecb_function_ uint32_t	1412	ecb_function_ ecb_const uint32_t
1154	ecb_float_to_binary32 (float x)	1413	ecb_float_to_binary32 (float x)
1155	{	1414	{
1156	uint32_t r;	1415	uint32_t r;
1157		1416
1158	#if ECB_STDFP	1417	#if ECB_STDFP
…		…
1165	if (x == 0e0f ) return 0x00000000U;	1424	if (x == 0e0f ) return 0x00000000U;
1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1425	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1426	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1168	if (x != x ) return 0x7fbfffffU;	1427	if (x != x ) return 0x7fbfffffU;
1169		1428
1170	m = frexpf (x, &e) * 0x1000000U;	1429	m = ecb_frexpf (x, &e) * 0x1000000U;
1171		1430
1172	r = m & 0x80000000U;	1431	r = m & 0x80000000U;
1173		1432
1174	if (r)	1433	if (r)
1175	m = -m;	1434	m = -m;
…		…
1187		1446
1188	return r;	1447	return r;
1189	}	1448	}
1190		1449
1191	/* converts an ieee single/binary32 to a float */	1450	/* converts an ieee single/binary32 to a float */
1192	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1451	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1193	ecb_function_ float	1452	ecb_function_ ecb_const float
1194	ecb_binary32_to_float (uint32_t x)	1453	ecb_binary32_to_float (uint32_t x)
1195	{	1454	{
1196	float r;	1455	float r;
1197		1456
1198	#if ECB_STDFP	1457	#if ECB_STDFP
…		…
1208	x |= 0x800000U;	1467	x |= 0x800000U;
1209	else	1468	else
1210	e = 1;	1469	e = 1;
1211		1470
1212	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1471	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1472	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1214		1473
1215	r = neg ? -r : r;	1474	r = neg ? -r : r;
1216	#endif	1475	#endif
1217		1476
1218	return r;	1477	return r;
1219	}	1478	}
1220		1479
1221	/* convert a double to ieee double/binary64 */	1480	/* convert a double to ieee double/binary64 */
1222	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1481	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1223	ecb_function_ uint64_t	1482	ecb_function_ ecb_const uint64_t
1224	ecb_double_to_binary64 (double x)	1483	ecb_double_to_binary64 (double x)
1225	{	1484	{
1226	uint64_t r;	1485	uint64_t r;
1227		1486
1228	#if ECB_STDFP	1487	#if ECB_STDFP
…		…
1257		1516
1258	return r;	1517	return r;
1259	}	1518	}
1260		1519
1261	/* converts an ieee double/binary64 to a double */	1520	/* converts an ieee double/binary64 to a double */
1262	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1521	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1263	ecb_function_ double	1522	ecb_function_ ecb_const double
1264	ecb_binary64_to_double (uint64_t x)	1523	ecb_binary64_to_double (uint64_t x)
1265	{	1524	{
1266	double r;	1525	double r;
1267		1526
1268	#if ECB_STDFP	1527	#if ECB_STDFP
…		…
1286	#endif	1545	#endif
1287		1546
1288	return r;	1547	return r;
1289	}	1548	}
1290		1549
		1550	/* convert a float to ieee half/binary16 */
		1551	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1552	ecb_function_ ecb_const uint16_t
		1553	ecb_float_to_binary16 (float x)
		1554	{
		1555	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1556	}
		1557
		1558	/* convert an ieee half/binary16 to float */
		1559	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1560	ecb_function_ ecb_const float
		1561	ecb_binary16_to_float (uint16_t x)
		1562	{
		1563	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1564	}
		1565
1291	#endif	1566	#endif
1292		1567
1293	#endif	1568	#endif
1294		1569
1295	/* ECB.H END */	1570	/* ECB.H END */
1296		1571
1297	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1572	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1298	/* if your architecture doesn't need memory fences, e.g. because it is	1573	/* if your architecture doesn't need memory fences, e.g. because it is
1299	* single-cpu/core, or if you use libev in a project that doesn't use libev	1574	* single-cpu/core, or if you use libev in a project that doesn't use libev
1300	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1575	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1301	* libev, in which cases the memory fences become nops.	1576	* libev, in which cases the memory fences become nops.
1302	* alternatively, you can remove this #error and link against libpthread,	1577	* alternatively, you can remove this #error and link against libpthread,
1303	* which will then provide the memory fences.	1578	* which will then provide the memory fences.
1304	*/	1579	*/
1305	# error "memory fences not defined for your architecture, please report"	1580	# error "memory fences not defined for your architecture, please report"
…		…
1309	# define ECB_MEMORY_FENCE do { } while (0)	1584	# define ECB_MEMORY_FENCE do { } while (0)
1310	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1585	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1311	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1586	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1312	#endif	1587	#endif
1313		1588
1314	#define expect_false(cond) ecb_expect_false (cond)
1315	#define expect_true(cond) ecb_expect_true (cond)
1316	#define noinline ecb_noinline
1317
1318	#define inline_size ecb_inline	1589	#define inline_size ecb_inline
1319		1590
1320	#if EV_FEATURE_CODE	1591	#if EV_FEATURE_CODE
1321	# define inline_speed ecb_inline	1592	# define inline_speed ecb_inline
1322	#else	1593	#else
1323	# define inline_speed static noinline	1594	# define inline_speed ecb_noinline static
1324	#endif	1595	#endif
		1596
		1597	/*****************************************************************************/
		1598	/* raw syscall wrappers */
		1599
		1600	#if EV_NEED_SYSCALL
		1601
		1602	#include <sys/syscall.h>
		1603
		1604	/*
		1605	* define some syscall wrappers for common architectures
		1606	* this is mostly for nice looks during debugging, not performance.
		1607	* our syscalls return < 0, not == -1, on error. which is good
		1608	* enough for linux aio.
		1609	* TODO: arm is also common nowadays, maybe even mips and x86
		1610	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1611	*/
		1612	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1613	/* the costly errno access probably kills this for size optimisation */
		1614
		1615	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1616	({ \
		1617	long res; \
		1618	register unsigned long r6 __asm__ ("r9" ); \
		1619	register unsigned long r5 __asm__ ("r8" ); \
		1620	register unsigned long r4 __asm__ ("r10"); \
		1621	register unsigned long r3 __asm__ ("rdx"); \
		1622	register unsigned long r2 __asm__ ("rsi"); \
		1623	register unsigned long r1 __asm__ ("rdi"); \
		1624	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1625	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1626	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1627	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1628	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1629	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1630	__asm__ __volatile__ ( \
		1631	"syscall\n\t" \
		1632	: "=a" (res) \
		1633	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1634	: "cc", "r11", "cx", "memory"); \
		1635	errno = -res; \
		1636	res; \
		1637	})
		1638
		1639	#endif
		1640
		1641	#ifdef ev_syscall
		1642	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1643	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1644	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1645	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1646	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1647	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1648	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1649	#else
		1650	#define ev_syscall0(nr) syscall (nr)
		1651	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1652	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1653	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1654	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1655	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1656	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1657	#endif
		1658
		1659	#endif
		1660
		1661	/*****************************************************************************/
1325		1662
1326	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1663	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1327		1664
1328	#if EV_MINPRI == EV_MAXPRI	1665	#if EV_MINPRI == EV_MAXPRI
1329	# define ABSPRI(w) (((W)w), 0)	1666	# define ABSPRI(w) (((W)w), 0)
1330	#else	1667	#else
1331	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1668	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1332	#endif	1669	#endif
1333		1670
1334	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1671	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1335	#define EMPTY2(a,b) /* used to suppress some warnings */
1336		1672
1337	typedef ev_watcher *W;	1673	typedef ev_watcher *W;
1338	typedef ev_watcher_list *WL;	1674	typedef ev_watcher_list *WL;
1339	typedef ev_watcher_time *WT;	1675	typedef ev_watcher_time *WT;
1340		1676
…		…
1365	# include "ev_win32.c"	1701	# include "ev_win32.c"
1366	#endif	1702	#endif
1367		1703
1368	/*****************************************************************************/	1704	/*****************************************************************************/
1369		1705
		1706	#if EV_USE_LINUXAIO
		1707	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1708	#endif
		1709
1370	/* define a suitable floor function (only used by periodics atm) */	1710	/* define a suitable floor function (only used by periodics atm) */
1371		1711
1372	#if EV_USE_FLOOR	1712	#if EV_USE_FLOOR
1373	# include <math.h>	1713	# include <math.h>
1374	# define ev_floor(v) floor (v)	1714	# define ev_floor(v) floor (v)
1375	#else	1715	#else
1376		1716
1377	#include <float.h>	1717	#include <float.h>
1378		1718
1379	/* a floor() replacement function, should be independent of ev_tstamp type */	1719	/* a floor() replacement function, should be independent of ev_tstamp type */
		1720	ecb_noinline
1380	static ev_tstamp noinline	1721	static ev_tstamp
1381	ev_floor (ev_tstamp v)	1722	ev_floor (ev_tstamp v)
1382	{	1723	{
1383	/* the choice of shift factor is not terribly important */	1724	/* the choice of shift factor is not terribly important */
1384	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1725	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1385	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1726	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1386	#else	1727	#else
1387	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1388	#endif	1729	#endif
1389		1730
1390	/* argument too large for an unsigned long? */	1731	/* argument too large for an unsigned long? */
1391	if (expect_false (v >= shift))	1732	if (ecb_expect_false (v >= shift))
1392	{	1733	{
1393	ev_tstamp f;	1734	ev_tstamp f;
1394		1735
1395	if (v == v - 1.)	1736	if (v == v - 1.)
1396	return v; /* very large number */	1737	return v; /* very large number */
…		…
1398	f = shift * ev_floor (v * (1. / shift));	1739	f = shift * ev_floor (v * (1. / shift));
1399	return f + ev_floor (v - f);	1740	return f + ev_floor (v - f);
1400	}	1741	}
1401		1742
1402	/* special treatment for negative args? */	1743	/* special treatment for negative args? */
1403	if (expect_false (v < 0.))	1744	if (ecb_expect_false (v < 0.))
1404	{	1745	{
1405	ev_tstamp f = -ev_floor (-v);	1746	ev_tstamp f = -ev_floor (-v);
1406		1747
1407	return f - (f == v ? 0 : 1);	1748	return f - (f == v ? 0 : 1);
1408	}	1749	}
…		…
1417		1758
1418	#ifdef __linux	1759	#ifdef __linux
1419	# include <sys/utsname.h>	1760	# include <sys/utsname.h>
1420	#endif	1761	#endif
1421		1762
1422	static unsigned int noinline ecb_cold	1763	ecb_noinline ecb_cold
		1764	static unsigned int
1423	ev_linux_version (void)	1765	ev_linux_version (void)
1424	{	1766	{
1425	#ifdef __linux	1767	#ifdef __linux
1426	unsigned int v = 0;	1768	unsigned int v = 0;
1427	struct utsname buf;	1769	struct utsname buf;
…		…
1456	}	1798	}
1457		1799
1458	/*****************************************************************************/	1800	/*****************************************************************************/
1459		1801
1460	#if EV_AVOID_STDIO	1802	#if EV_AVOID_STDIO
1461	static void noinline ecb_cold	1803	ecb_noinline ecb_cold
		1804	static void
1462	ev_printerr (const char *msg)	1805	ev_printerr (const char *msg)
1463	{	1806	{
1464	write (STDERR_FILENO, msg, strlen (msg));	1807	write (STDERR_FILENO, msg, strlen (msg));
1465	}	1808	}
1466	#endif	1809	#endif
1467		1810
1468	static void (*syserr_cb)(const char *msg) EV_THROW;	1811	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1469		1812
1470	void ecb_cold	1813	ecb_cold
		1814	void
1471	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1815	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1472	{	1816	{
1473	syserr_cb = cb;	1817	syserr_cb = cb;
1474	}	1818	}
1475		1819
1476	static void noinline ecb_cold	1820	ecb_noinline ecb_cold
		1821	static void
1477	ev_syserr (const char *msg)	1822	ev_syserr (const char *msg)
1478	{	1823	{
1479	if (!msg)	1824	if (!msg)
1480	msg = "(libev) system error";	1825	msg = "(libev) system error";
1481		1826
…		…
1494	abort ();	1839	abort ();
1495	}	1840	}
1496	}	1841	}
1497		1842
1498	static void *	1843	static void *
1499	ev_realloc_emul (void *ptr, long size) EV_THROW	1844	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1500	{	1845	{
1501	/* some systems, notably openbsd and darwin, fail to properly	1846	/* some systems, notably openbsd and darwin, fail to properly
1502	* implement realloc (x, 0) (as required by both ansi c-89 and	1847	* implement realloc (x, 0) (as required by both ansi c-89 and
1503	* the single unix specification, so work around them here.	1848	* the single unix specification, so work around them here.
1504	* recently, also (at least) fedora and debian started breaking it,	1849	* recently, also (at least) fedora and debian started breaking it,
…		…
1510		1855
1511	free (ptr);	1856	free (ptr);
1512	return 0;	1857	return 0;
1513	}	1858	}
1514		1859
1515	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1860	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1516		1861
1517	void ecb_cold	1862	ecb_cold
		1863	void
1518	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1864	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1519	{	1865	{
1520	alloc = cb;	1866	alloc = cb;
1521	}	1867	}
1522		1868
1523	inline_speed void *	1869	inline_speed void *
…		…
1550	typedef struct	1896	typedef struct
1551	{	1897	{
1552	WL head;	1898	WL head;
1553	unsigned char events; /* the events watched for */	1899	unsigned char events; /* the events watched for */
1554	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1900	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1555	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1901	unsigned char emask; /* some backends store the actual kernel mask in here */
1556	unsigned char unused;	1902	unsigned char eflags; /* flags field for use by backends */
1557	#if EV_USE_EPOLL	1903	#if EV_USE_EPOLL
1558	unsigned int egen; /* generation counter to counter epoll bugs */	1904	unsigned int egen; /* generation counter to counter epoll bugs */
1559	#endif	1905	#endif
1560	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1906	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1561	SOCKET handle;	1907	SOCKET handle;
…		…
1625	static int ev_default_loop_ptr;	1971	static int ev_default_loop_ptr;
1626		1972
1627	#endif	1973	#endif
1628		1974
1629	#if EV_FEATURE_API	1975	#if EV_FEATURE_API
1630	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1976	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1631	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1977	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1632	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1978	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1633	#else	1979	#else
1634	# define EV_RELEASE_CB (void)0	1980	# define EV_RELEASE_CB (void)0
1635	# define EV_ACQUIRE_CB (void)0	1981	# define EV_ACQUIRE_CB (void)0
1636	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1982	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1640		1986
1641	/*****************************************************************************/	1987	/*****************************************************************************/
1642		1988
1643	#ifndef EV_HAVE_EV_TIME	1989	#ifndef EV_HAVE_EV_TIME
1644	ev_tstamp	1990	ev_tstamp
1645	ev_time (void) EV_THROW	1991	ev_time (void) EV_NOEXCEPT
1646	{	1992	{
1647	#if EV_USE_REALTIME	1993	#if EV_USE_REALTIME
1648	if (expect_true (have_realtime))	1994	if (ecb_expect_true (have_realtime))
1649	{	1995	{
1650	struct timespec ts;	1996	struct timespec ts;
1651	clock_gettime (CLOCK_REALTIME, &ts);	1997	clock_gettime (CLOCK_REALTIME, &ts);
1652	return ts.tv_sec + ts.tv_nsec * 1e-9;	1998	return ts.tv_sec + ts.tv_nsec * 1e-9;
1653	}	1999	}
…		…
1661		2007
1662	inline_size ev_tstamp	2008	inline_size ev_tstamp
1663	get_clock (void)	2009	get_clock (void)
1664	{	2010	{
1665	#if EV_USE_MONOTONIC	2011	#if EV_USE_MONOTONIC
1666	if (expect_true (have_monotonic))	2012	if (ecb_expect_true (have_monotonic))
1667	{	2013	{
1668	struct timespec ts;	2014	struct timespec ts;
1669	clock_gettime (CLOCK_MONOTONIC, &ts);	2015	clock_gettime (CLOCK_MONOTONIC, &ts);
1670	return ts.tv_sec + ts.tv_nsec * 1e-9;	2016	return ts.tv_sec + ts.tv_nsec * 1e-9;
1671	}	2017	}
…		…
1674	return ev_time ();	2020	return ev_time ();
1675	}	2021	}
1676		2022
1677	#if EV_MULTIPLICITY	2023	#if EV_MULTIPLICITY
1678	ev_tstamp	2024	ev_tstamp
1679	ev_now (EV_P) EV_THROW	2025	ev_now (EV_P) EV_NOEXCEPT
1680	{	2026	{
1681	return ev_rt_now;	2027	return ev_rt_now;
1682	}	2028	}
1683	#endif	2029	#endif
1684		2030
1685	void	2031	void
1686	ev_sleep (ev_tstamp delay) EV_THROW	2032	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1687	{	2033	{
1688	if (delay > 0.)	2034	if (delay > 0.)
1689	{	2035	{
1690	#if EV_USE_NANOSLEEP	2036	#if EV_USE_NANOSLEEP
1691	struct timespec ts;	2037	struct timespec ts;
1692		2038
1693	EV_TS_SET (ts, delay);	2039	EV_TS_SET (ts, delay);
1694	nanosleep (&ts, 0);	2040	nanosleep (&ts, 0);
1695	#elif defined _WIN32	2041	#elif defined _WIN32
		2042	/* maybe this should round up, as ms is very low resolution */
		2043	/* compared to select (µs) or nanosleep (ns) */
1696	Sleep ((unsigned long)(delay * 1e3));	2044	Sleep ((unsigned long)(delay * 1e3));
1697	#else	2045	#else
1698	struct timeval tv;	2046	struct timeval tv;
1699		2047
1700	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2048	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1731	}	2079	}
1732		2080
1733	return ncur;	2081	return ncur;
1734	}	2082	}
1735		2083
1736	static void * noinline ecb_cold	2084	ecb_noinline ecb_cold
		2085	static void *
1737	array_realloc (int elem, void *base, int *cur, int cnt)	2086	array_realloc (int elem, void *base, int *cur, int cnt)
1738	{	2087	{
1739	*cur = array_nextsize (elem, *cur, cnt);	2088	*cur = array_nextsize (elem, *cur, cnt);
1740	return ev_realloc (base, elem * *cur);	2089	return ev_realloc (base, elem * *cur);
1741	}	2090	}
1742		2091
		2092	#define array_needsize_noinit(base,offset,count)
		2093
1743	#define array_init_zero(base,count) \	2094	#define array_needsize_zerofill(base,offset,count) \
1744	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2095	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1745		2096
1746	#define array_needsize(type,base,cur,cnt,init) \	2097	#define array_needsize(type,base,cur,cnt,init) \
1747	if (expect_false ((cnt) > (cur))) \	2098	if (ecb_expect_false ((cnt) > (cur))) \
1748	{ \	2099	{ \
1749	int ecb_unused ocur_ = (cur); \	2100	ecb_unused int ocur_ = (cur); \
1750	(base) = (type *)array_realloc \	2101	(base) = (type *)array_realloc \
1751	(sizeof (type), (base), &(cur), (cnt)); \	2102	(sizeof (type), (base), &(cur), (cnt)); \
1752	init ((base) + (ocur_), (cur) - ocur_); \	2103	init ((base), ocur_, ((cur) - ocur_)); \
1753	}	2104	}
1754		2105
1755	#if 0	2106	#if 0
1756	#define array_slim(type,stem) \	2107	#define array_slim(type,stem) \
1757	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2108	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1766	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2117	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1767		2118
1768	/*****************************************************************************/	2119	/*****************************************************************************/
1769		2120
1770	/* dummy callback for pending events */	2121	/* dummy callback for pending events */
1771	static void noinline	2122	ecb_noinline
		2123	static void
1772	pendingcb (EV_P_ ev_prepare *w, int revents)	2124	pendingcb (EV_P_ ev_prepare *w, int revents)
1773	{	2125	{
1774	}	2126	}
1775		2127
1776	void noinline	2128	ecb_noinline
		2129	void
1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2130	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1778	{	2131	{
1779	W w_ = (W)w;	2132	W w_ = (W)w;
1780	int pri = ABSPRI (w_);	2133	int pri = ABSPRI (w_);
1781		2134
1782	if (expect_false (w_->pending))	2135	if (ecb_expect_false (w_->pending))
1783	pendings [pri][w_->pending - 1].events |= revents;	2136	pendings [pri][w_->pending - 1].events |= revents;
1784	else	2137	else
1785	{	2138	{
1786	w_->pending = ++pendingcnt [pri];	2139	w_->pending = ++pendingcnt [pri];
1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2140	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1788	pendings [pri][w_->pending - 1].w = w_;	2141	pendings [pri][w_->pending - 1].w = w_;
1789	pendings [pri][w_->pending - 1].events = revents;	2142	pendings [pri][w_->pending - 1].events = revents;
1790	}	2143	}
1791		2144
1792	pendingpri = NUMPRI - 1;	2145	pendingpri = NUMPRI - 1;
1793	}	2146	}
1794		2147
1795	inline_speed void	2148	inline_speed void
1796	feed_reverse (EV_P_ W w)	2149	feed_reverse (EV_P_ W w)
1797	{	2150	{
1798	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2151	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1799	rfeeds [rfeedcnt++] = w;	2152	rfeeds [rfeedcnt++] = w;
1800	}	2153	}
1801		2154
1802	inline_size void	2155	inline_size void
1803	feed_reverse_done (EV_P_ int revents)	2156	feed_reverse_done (EV_P_ int revents)
…		…
1838	inline_speed void	2191	inline_speed void
1839	fd_event (EV_P_ int fd, int revents)	2192	fd_event (EV_P_ int fd, int revents)
1840	{	2193	{
1841	ANFD *anfd = anfds + fd;	2194	ANFD *anfd = anfds + fd;
1842		2195
1843	if (expect_true (!anfd->reify))	2196	if (ecb_expect_true (!anfd->reify))
1844	fd_event_nocheck (EV_A_ fd, revents);	2197	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2198	}
1846		2199
1847	void	2200	void
1848	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2201	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1849	{	2202	{
1850	if (fd >= 0 && fd < anfdmax)	2203	if (fd >= 0 && fd < anfdmax)
1851	fd_event_nocheck (EV_A_ fd, revents);	2204	fd_event_nocheck (EV_A_ fd, revents);
1852	}	2205	}
1853		2206
…		…
1890	ev_io *w;	2243	ev_io *w;
1891		2244
1892	unsigned char o_events = anfd->events;	2245	unsigned char o_events = anfd->events;
1893	unsigned char o_reify = anfd->reify;	2246	unsigned char o_reify = anfd->reify;
1894		2247
1895	anfd->reify = 0;	2248	anfd->reify = 0;
1896		2249
1897	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2250	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1898	{	2251	{
1899	anfd->events = 0;	2252	anfd->events = 0;
1900		2253
1901	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2254	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1902	anfd->events |= (unsigned char)w->events;	2255	anfd->events |= (unsigned char)w->events;
…		…
1911		2264
1912	fdchangecnt = 0;	2265	fdchangecnt = 0;
1913	}	2266	}
1914		2267
1915	/* something about the given fd changed */	2268	/* something about the given fd changed */
1916	inline_size void	2269	inline_size
		2270	void
1917	fd_change (EV_P_ int fd, int flags)	2271	fd_change (EV_P_ int fd, int flags)
1918	{	2272	{
1919	unsigned char reify = anfds [fd].reify;	2273	unsigned char reify = anfds [fd].reify;
1920	anfds [fd].reify |= flags;	2274	anfds [fd].reify |= flags;
1921		2275
1922	if (expect_true (!reify))	2276	if (ecb_expect_true (!reify))
1923	{	2277	{
1924	++fdchangecnt;	2278	++fdchangecnt;
1925	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2279	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1926	fdchanges [fdchangecnt - 1] = fd;	2280	fdchanges [fdchangecnt - 1] = fd;
1927	}	2281	}
1928	}	2282	}
1929		2283
1930	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2284	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1931	inline_speed void ecb_cold	2285	inline_speed ecb_cold void
1932	fd_kill (EV_P_ int fd)	2286	fd_kill (EV_P_ int fd)
1933	{	2287	{
1934	ev_io *w;	2288	ev_io *w;
1935		2289
1936	while ((w = (ev_io *)anfds [fd].head))	2290	while ((w = (ev_io *)anfds [fd].head))
…		…
1939	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2293	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1940	}	2294	}
1941	}	2295	}
1942		2296
1943	/* check whether the given fd is actually valid, for error recovery */	2297	/* check whether the given fd is actually valid, for error recovery */
1944	inline_size int ecb_cold	2298	inline_size ecb_cold int
1945	fd_valid (int fd)	2299	fd_valid (int fd)
1946	{	2300	{
1947	#ifdef _WIN32	2301	#ifdef _WIN32
1948	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2302	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1949	#else	2303	#else
1950	return fcntl (fd, F_GETFD) != -1;	2304	return fcntl (fd, F_GETFD) != -1;
1951	#endif	2305	#endif
1952	}	2306	}
1953		2307
1954	/* called on EBADF to verify fds */	2308	/* called on EBADF to verify fds */
1955	static void noinline ecb_cold	2309	ecb_noinline ecb_cold
		2310	static void
1956	fd_ebadf (EV_P)	2311	fd_ebadf (EV_P)
1957	{	2312	{
1958	int fd;	2313	int fd;
1959		2314
1960	for (fd = 0; fd < anfdmax; ++fd)	2315	for (fd = 0; fd < anfdmax; ++fd)
…		…
1962	if (!fd_valid (fd) && errno == EBADF)	2317	if (!fd_valid (fd) && errno == EBADF)
1963	fd_kill (EV_A_ fd);	2318	fd_kill (EV_A_ fd);
1964	}	2319	}
1965		2320
1966	/* called on ENOMEM in select/poll to kill some fds and retry */	2321	/* called on ENOMEM in select/poll to kill some fds and retry */
1967	static void noinline ecb_cold	2322	ecb_noinline ecb_cold
		2323	static void
1968	fd_enomem (EV_P)	2324	fd_enomem (EV_P)
1969	{	2325	{
1970	int fd;	2326	int fd;
1971		2327
1972	for (fd = anfdmax; fd--; )	2328	for (fd = anfdmax; fd--; )
…		…
1976	break;	2332	break;
1977	}	2333	}
1978	}	2334	}
1979		2335
1980	/* usually called after fork if backend needs to re-arm all fds from scratch */	2336	/* usually called after fork if backend needs to re-arm all fds from scratch */
1981	static void noinline	2337	ecb_noinline
		2338	static void
1982	fd_rearm_all (EV_P)	2339	fd_rearm_all (EV_P)
1983	{	2340	{
1984	int fd;	2341	int fd;
1985		2342
1986	for (fd = 0; fd < anfdmax; ++fd)	2343	for (fd = 0; fd < anfdmax; ++fd)
…		…
2039	ev_tstamp minat;	2396	ev_tstamp minat;
2040	ANHE *minpos;	2397	ANHE *minpos;
2041	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2398	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2042		2399
2043	/* find minimum child */	2400	/* find minimum child */
2044	if (expect_true (pos + DHEAP - 1 < E))	2401	if (ecb_expect_true (pos + DHEAP - 1 < E))
2045	{	2402	{
2046	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2403	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2047	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2404	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2048	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2405	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2049	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2406	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2167		2524
2168	/*****************************************************************************/	2525	/*****************************************************************************/
2169		2526
2170	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2527	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2171		2528
2172	static void noinline ecb_cold	2529	ecb_noinline ecb_cold
		2530	static void
2173	evpipe_init (EV_P)	2531	evpipe_init (EV_P)
2174	{	2532	{
2175	if (!ev_is_active (&pipe_w))	2533	if (!ev_is_active (&pipe_w))
2176	{	2534	{
2177	int fds [2];	2535	int fds [2];
…		…
2217	inline_speed void	2575	inline_speed void
2218	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2576	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2219	{	2577	{
2220	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2578	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2221		2579
2222	if (expect_true (*flag))	2580	if (ecb_expect_true (*flag))
2223	return;	2581	return;
2224		2582
2225	*flag = 1;	2583	*flag = 1;
2226	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2584	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2227		2585
…		…
2248	#endif	2606	#endif
2249	{	2607	{
2250	#ifdef _WIN32	2608	#ifdef _WIN32
2251	WSABUF buf;	2609	WSABUF buf;
2252	DWORD sent;	2610	DWORD sent;
2253	buf.buf = &buf;	2611	buf.buf = (char *)&buf;
2254	buf.len = 1;	2612	buf.len = 1;
2255	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2613	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2256	#else	2614	#else
2257	write (evpipe [1], &(evpipe [1]), 1);	2615	write (evpipe [1], &(evpipe [1]), 1);
2258	#endif	2616	#endif
…		…
2304	sig_pending = 0;	2662	sig_pending = 0;
2305		2663
2306	ECB_MEMORY_FENCE;	2664	ECB_MEMORY_FENCE;
2307		2665
2308	for (i = EV_NSIG - 1; i--; )	2666	for (i = EV_NSIG - 1; i--; )
2309	if (expect_false (signals [i].pending))	2667	if (ecb_expect_false (signals [i].pending))
2310	ev_feed_signal_event (EV_A_ i + 1);	2668	ev_feed_signal_event (EV_A_ i + 1);
2311	}	2669	}
2312	#endif	2670	#endif
2313		2671
2314	#if EV_ASYNC_ENABLE	2672	#if EV_ASYNC_ENABLE
…		…
2330	}	2688	}
2331		2689
2332	/*****************************************************************************/	2690	/*****************************************************************************/
2333		2691
2334	void	2692	void
2335	ev_feed_signal (int signum) EV_THROW	2693	ev_feed_signal (int signum) EV_NOEXCEPT
2336	{	2694	{
2337	#if EV_MULTIPLICITY	2695	#if EV_MULTIPLICITY
2338	EV_P;	2696	EV_P;
2339	ECB_MEMORY_FENCE_ACQUIRE;	2697	ECB_MEMORY_FENCE_ACQUIRE;
2340	EV_A = signals [signum - 1].loop;	2698	EV_A = signals [signum - 1].loop;
…		…
2355	#endif	2713	#endif
2356		2714
2357	ev_feed_signal (signum);	2715	ev_feed_signal (signum);
2358	}	2716	}
2359		2717
2360	void noinline	2718	ecb_noinline
		2719	void
2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2720	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2362	{	2721	{
2363	WL w;	2722	WL w;
2364		2723
2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2724	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2366	return;	2725	return;
2367		2726
2368	--signum;	2727	--signum;
2369		2728
2370	#if EV_MULTIPLICITY	2729	#if EV_MULTIPLICITY
2371	/* it is permissible to try to feed a signal to the wrong loop */	2730	/* it is permissible to try to feed a signal to the wrong loop */
2372	/* or, likely more useful, feeding a signal nobody is waiting for */	2731	/* or, likely more useful, feeding a signal nobody is waiting for */
2373		2732
2374	if (expect_false (signals [signum].loop != EV_A))	2733	if (ecb_expect_false (signals [signum].loop != EV_A))
2375	return;	2734	return;
2376	#endif	2735	#endif
2377		2736
2378	signals [signum].pending = 0;	2737	signals [signum].pending = 0;
2379	ECB_MEMORY_FENCE_RELEASE;	2738	ECB_MEMORY_FENCE_RELEASE;
…		…
2475	# include "ev_kqueue.c"	2834	# include "ev_kqueue.c"
2476	#endif	2835	#endif
2477	#if EV_USE_EPOLL	2836	#if EV_USE_EPOLL
2478	# include "ev_epoll.c"	2837	# include "ev_epoll.c"
2479	#endif	2838	#endif
		2839	#if EV_USE_LINUXAIO
		2840	# include "ev_linuxaio.c"
		2841	#endif
		2842	#if EV_USE_IOURING
		2843	# include "ev_iouring.c"
		2844	#endif
2480	#if EV_USE_POLL	2845	#if EV_USE_POLL
2481	# include "ev_poll.c"	2846	# include "ev_poll.c"
2482	#endif	2847	#endif
2483	#if EV_USE_SELECT	2848	#if EV_USE_SELECT
2484	# include "ev_select.c"	2849	# include "ev_select.c"
2485	#endif	2850	#endif
2486		2851
2487	int ecb_cold	2852	ecb_cold int
2488	ev_version_major (void) EV_THROW	2853	ev_version_major (void) EV_NOEXCEPT
2489	{	2854	{
2490	return EV_VERSION_MAJOR;	2855	return EV_VERSION_MAJOR;
2491	}	2856	}
2492		2857
2493	int ecb_cold	2858	ecb_cold int
2494	ev_version_minor (void) EV_THROW	2859	ev_version_minor (void) EV_NOEXCEPT
2495	{	2860	{
2496	return EV_VERSION_MINOR;	2861	return EV_VERSION_MINOR;
2497	}	2862	}
2498		2863
2499	/* return true if we are running with elevated privileges and should ignore env variables */	2864	/* return true if we are running with elevated privileges and should ignore env variables */
2500	int inline_size ecb_cold	2865	inline_size ecb_cold int
2501	enable_secure (void)	2866	enable_secure (void)
2502	{	2867	{
2503	#ifdef _WIN32	2868	#ifdef _WIN32
2504	return 0;	2869	return 0;
2505	#else	2870	#else
2506	return getuid () != geteuid ()	2871	return getuid () != geteuid ()
2507	|| getgid () != getegid ();	2872	|| getgid () != getegid ();
2508	#endif	2873	#endif
2509	}	2874	}
2510		2875
2511	unsigned int ecb_cold	2876	ecb_cold
		2877	unsigned int
2512	ev_supported_backends (void) EV_THROW	2878	ev_supported_backends (void) EV_NOEXCEPT
2513	{	2879	{
2514	unsigned int flags = 0;	2880	unsigned int flags = 0;
2515		2881
2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2882	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2883	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2518	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2884	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2885	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2886	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2519	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2887	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2520	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2888	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2521		2889
2522	return flags;	2890	return flags;
2523	}	2891	}
2524		2892
2525	unsigned int ecb_cold	2893	ecb_cold
		2894	unsigned int
2526	ev_recommended_backends (void) EV_THROW	2895	ev_recommended_backends (void) EV_NOEXCEPT
2527	{	2896	{
2528	unsigned int flags = ev_supported_backends ();	2897	unsigned int flags = ev_supported_backends ();
2529		2898
2530	#ifndef __NetBSD__	2899	#ifndef __NetBSD__
2531	/* kqueue is borked on everything but netbsd apparently */	2900	/* kqueue is borked on everything but netbsd apparently */
…		…
2539	#endif	2908	#endif
2540	#ifdef __FreeBSD__	2909	#ifdef __FreeBSD__
2541	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2910	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2542	#endif	2911	#endif
2543		2912
		2913	/* TODO: linuxaio is very experimental */
		2914	#if !EV_RECOMMEND_LINUXAIO
		2915	flags &= ~EVBACKEND_LINUXAIO;
		2916	#endif
		2917	/* TODO: linuxaio is super experimental */
		2918	#if !EV_RECOMMEND_IOURING
		2919	flags &= ~EVBACKEND_IOURING;
		2920	#endif
		2921
2544	return flags;	2922	return flags;
2545	}	2923	}
2546		2924
2547	unsigned int ecb_cold	2925	ecb_cold
		2926	unsigned int
2548	ev_embeddable_backends (void) EV_THROW	2927	ev_embeddable_backends (void) EV_NOEXCEPT
2549	{	2928	{
2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2929	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2551		2930
2552	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2931	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2553	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2932	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2554	flags &= ~EVBACKEND_EPOLL;	2933	flags &= ~EVBACKEND_EPOLL;
2555		2934
		2935	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2936
		2937	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2938	* because our backend_fd is the epoll fd we need as fallback.
		2939	* if the kernel ever is fixed, this might change...
		2940	*/
		2941
2556	return flags;	2942	return flags;
2557	}	2943	}
2558		2944
2559	unsigned int	2945	unsigned int
2560	ev_backend (EV_P) EV_THROW	2946	ev_backend (EV_P) EV_NOEXCEPT
2561	{	2947	{
2562	return backend;	2948	return backend;
2563	}	2949	}
2564		2950
2565	#if EV_FEATURE_API	2951	#if EV_FEATURE_API
2566	unsigned int	2952	unsigned int
2567	ev_iteration (EV_P) EV_THROW	2953	ev_iteration (EV_P) EV_NOEXCEPT
2568	{	2954	{
2569	return loop_count;	2955	return loop_count;
2570	}	2956	}
2571		2957
2572	unsigned int	2958	unsigned int
2573	ev_depth (EV_P) EV_THROW	2959	ev_depth (EV_P) EV_NOEXCEPT
2574	{	2960	{
2575	return loop_depth;	2961	return loop_depth;
2576	}	2962	}
2577		2963
2578	void	2964	void
2579	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2965	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2580	{	2966	{
2581	io_blocktime = interval;	2967	io_blocktime = interval;
2582	}	2968	}
2583		2969
2584	void	2970	void
2585	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2971	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2586	{	2972	{
2587	timeout_blocktime = interval;	2973	timeout_blocktime = interval;
2588	}	2974	}
2589		2975
2590	void	2976	void
2591	ev_set_userdata (EV_P_ void *data) EV_THROW	2977	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2592	{	2978	{
2593	userdata = data;	2979	userdata = data;
2594	}	2980	}
2595		2981
2596	void *	2982	void *
2597	ev_userdata (EV_P) EV_THROW	2983	ev_userdata (EV_P) EV_NOEXCEPT
2598	{	2984	{
2599	return userdata;	2985	return userdata;
2600	}	2986	}
2601		2987
2602	void	2988	void
2603	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2989	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2604	{	2990	{
2605	invoke_cb = invoke_pending_cb;	2991	invoke_cb = invoke_pending_cb;
2606	}	2992	}
2607		2993
2608	void	2994	void
2609	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2995	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2610	{	2996	{
2611	release_cb = release;	2997	release_cb = release;
2612	acquire_cb = acquire;	2998	acquire_cb = acquire;
2613	}	2999	}
2614	#endif	3000	#endif
2615		3001
2616	/* initialise a loop structure, must be zero-initialised */	3002	/* initialise a loop structure, must be zero-initialised */
2617	static void noinline ecb_cold	3003	ecb_noinline ecb_cold
		3004	static void
2618	loop_init (EV_P_ unsigned int flags) EV_THROW	3005	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2619	{	3006	{
2620	if (!backend)	3007	if (!backend)
2621	{	3008	{
2622	origflags = flags;	3009	origflags = flags;
2623		3010
…		…
2681		3068
2682	if (!(flags & EVBACKEND_MASK))	3069	if (!(flags & EVBACKEND_MASK))
2683	flags |= ev_recommended_backends ();	3070	flags |= ev_recommended_backends ();
2684		3071
2685	#if EV_USE_IOCP	3072	#if EV_USE_IOCP
2686	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3073	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2687	#endif	3074	#endif
2688	#if EV_USE_PORT	3075	#if EV_USE_PORT
2689	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3076	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2690	#endif	3077	#endif
2691	#if EV_USE_KQUEUE	3078	#if EV_USE_KQUEUE
2692	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3079	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3080	#endif
		3081	#if EV_USE_IOURING
		3082	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3083	#endif
		3084	#if EV_USE_LINUXAIO
		3085	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2693	#endif	3086	#endif
2694	#if EV_USE_EPOLL	3087	#if EV_USE_EPOLL
2695	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3088	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2696	#endif	3089	#endif
2697	#if EV_USE_POLL	3090	#if EV_USE_POLL
2698	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3091	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2699	#endif	3092	#endif
2700	#if EV_USE_SELECT	3093	#if EV_USE_SELECT
2701	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3094	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2702	#endif	3095	#endif
2703		3096
2704	ev_prepare_init (&pending_w, pendingcb);	3097	ev_prepare_init (&pending_w, pendingcb);
2705		3098
2706	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3099	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2709	#endif	3102	#endif
2710	}	3103	}
2711	}	3104	}
2712		3105
2713	/* free up a loop structure */	3106	/* free up a loop structure */
2714	void ecb_cold	3107	ecb_cold
		3108	void
2715	ev_loop_destroy (EV_P)	3109	ev_loop_destroy (EV_P)
2716	{	3110	{
2717	int i;	3111	int i;
2718		3112
2719	#if EV_MULTIPLICITY	3113	#if EV_MULTIPLICITY
…		…
2722	return;	3116	return;
2723	#endif	3117	#endif
2724		3118
2725	#if EV_CLEANUP_ENABLE	3119	#if EV_CLEANUP_ENABLE
2726	/* queue cleanup watchers (and execute them) */	3120	/* queue cleanup watchers (and execute them) */
2727	if (expect_false (cleanupcnt))	3121	if (ecb_expect_false (cleanupcnt))
2728	{	3122	{
2729	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3123	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2730	EV_INVOKE_PENDING;	3124	EV_INVOKE_PENDING;
2731	}	3125	}
2732	#endif	3126	#endif
…		…
2760		3154
2761	if (backend_fd >= 0)	3155	if (backend_fd >= 0)
2762	close (backend_fd);	3156	close (backend_fd);
2763		3157
2764	#if EV_USE_IOCP	3158	#if EV_USE_IOCP
2765	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3159	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2766	#endif	3160	#endif
2767	#if EV_USE_PORT	3161	#if EV_USE_PORT
2768	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3162	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2769	#endif	3163	#endif
2770	#if EV_USE_KQUEUE	3164	#if EV_USE_KQUEUE
2771	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3165	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3166	#endif
		3167	#if EV_USE_IOURING
		3168	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3169	#endif
		3170	#if EV_USE_LINUXAIO
		3171	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2772	#endif	3172	#endif
2773	#if EV_USE_EPOLL	3173	#if EV_USE_EPOLL
2774	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3174	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2775	#endif	3175	#endif
2776	#if EV_USE_POLL	3176	#if EV_USE_POLL
2777	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3177	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2778	#endif	3178	#endif
2779	#if EV_USE_SELECT	3179	#if EV_USE_SELECT
2780	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3180	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2781	#endif	3181	#endif
2782		3182
2783	for (i = NUMPRI; i--; )	3183	for (i = NUMPRI; i--; )
2784	{	3184	{
2785	array_free (pending, [i]);	3185	array_free (pending, [i]);
…		…
2827		3227
2828	inline_size void	3228	inline_size void
2829	loop_fork (EV_P)	3229	loop_fork (EV_P)
2830	{	3230	{
2831	#if EV_USE_PORT	3231	#if EV_USE_PORT
2832	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3232	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2833	#endif	3233	#endif
2834	#if EV_USE_KQUEUE	3234	#if EV_USE_KQUEUE
2835	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3235	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3236	#endif
		3237	#if EV_USE_IOURING
		3238	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3239	#endif
		3240	#if EV_USE_LINUXAIO
		3241	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2836	#endif	3242	#endif
2837	#if EV_USE_EPOLL	3243	#if EV_USE_EPOLL
2838	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3244	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2839	#endif	3245	#endif
2840	#if EV_USE_INOTIFY	3246	#if EV_USE_INOTIFY
2841	infy_fork (EV_A);	3247	infy_fork (EV_A);
2842	#endif	3248	#endif
2843		3249
2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3250	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2845	if (ev_is_active (&pipe_w))	3251	if (ev_is_active (&pipe_w) && postfork != 2)
2846	{	3252	{
2847	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3253	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2848		3254
2849	ev_ref (EV_A);	3255	ev_ref (EV_A);
2850	ev_io_stop (EV_A_ &pipe_w);	3256	ev_io_stop (EV_A_ &pipe_w);
…		…
2861	postfork = 0;	3267	postfork = 0;
2862	}	3268	}
2863		3269
2864	#if EV_MULTIPLICITY	3270	#if EV_MULTIPLICITY
2865		3271
		3272	ecb_cold
2866	struct ev_loop * ecb_cold	3273	struct ev_loop *
2867	ev_loop_new (unsigned int flags) EV_THROW	3274	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2868	{	3275	{
2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3276	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2870		3277
2871	memset (EV_A, 0, sizeof (struct ev_loop));	3278	memset (EV_A, 0, sizeof (struct ev_loop));
2872	loop_init (EV_A_ flags);	3279	loop_init (EV_A_ flags);
…		…
2879	}	3286	}
2880		3287
2881	#endif /* multiplicity */	3288	#endif /* multiplicity */
2882		3289
2883	#if EV_VERIFY	3290	#if EV_VERIFY
2884	static void noinline ecb_cold	3291	ecb_noinline ecb_cold
		3292	static void
2885	verify_watcher (EV_P_ W w)	3293	verify_watcher (EV_P_ W w)
2886	{	3294	{
2887	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3295	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2888		3296
2889	if (w->pending)	3297	if (w->pending)
2890	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3298	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2891	}	3299	}
2892		3300
2893	static void noinline ecb_cold	3301	ecb_noinline ecb_cold
		3302	static void
2894	verify_heap (EV_P_ ANHE *heap, int N)	3303	verify_heap (EV_P_ ANHE *heap, int N)
2895	{	3304	{
2896	int i;	3305	int i;
2897		3306
2898	for (i = HEAP0; i < N + HEAP0; ++i)	3307	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2903		3312
2904	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3313	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2905	}	3314	}
2906	}	3315	}
2907		3316
2908	static void noinline ecb_cold	3317	ecb_noinline ecb_cold
		3318	static void
2909	array_verify (EV_P_ W *ws, int cnt)	3319	array_verify (EV_P_ W *ws, int cnt)
2910	{	3320	{
2911	while (cnt--)	3321	while (cnt--)
2912	{	3322	{
2913	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3323	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2916	}	3326	}
2917	#endif	3327	#endif
2918		3328
2919	#if EV_FEATURE_API	3329	#if EV_FEATURE_API
2920	void ecb_cold	3330	void ecb_cold
2921	ev_verify (EV_P) EV_THROW	3331	ev_verify (EV_P) EV_NOEXCEPT
2922	{	3332	{
2923	#if EV_VERIFY	3333	#if EV_VERIFY
2924	int i;	3334	int i;
2925	WL w, w2;	3335	WL w, w2;
2926		3336
…		…
3002	#endif	3412	#endif
3003	}	3413	}
3004	#endif	3414	#endif
3005		3415
3006	#if EV_MULTIPLICITY	3416	#if EV_MULTIPLICITY
		3417	ecb_cold
3007	struct ev_loop * ecb_cold	3418	struct ev_loop *
3008	#else	3419	#else
3009	int	3420	int
3010	#endif	3421	#endif
3011	ev_default_loop (unsigned int flags) EV_THROW	3422	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3012	{	3423	{
3013	if (!ev_default_loop_ptr)	3424	if (!ev_default_loop_ptr)
3014	{	3425	{
3015	#if EV_MULTIPLICITY	3426	#if EV_MULTIPLICITY
3016	EV_P = ev_default_loop_ptr = &default_loop_struct;	3427	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3035		3446
3036	return ev_default_loop_ptr;	3447	return ev_default_loop_ptr;
3037	}	3448	}
3038		3449
3039	void	3450	void
3040	ev_loop_fork (EV_P) EV_THROW	3451	ev_loop_fork (EV_P) EV_NOEXCEPT
3041	{	3452	{
3042	postfork = 1;	3453	postfork = 1;
3043	}	3454	}
3044		3455
3045	/*****************************************************************************/	3456	/*****************************************************************************/
…		…
3049	{	3460	{
3050	EV_CB_INVOKE ((W)w, revents);	3461	EV_CB_INVOKE ((W)w, revents);
3051	}	3462	}
3052		3463
3053	unsigned int	3464	unsigned int
3054	ev_pending_count (EV_P) EV_THROW	3465	ev_pending_count (EV_P) EV_NOEXCEPT
3055	{	3466	{
3056	int pri;	3467	int pri;
3057	unsigned int count = 0;	3468	unsigned int count = 0;
3058		3469
3059	for (pri = NUMPRI; pri--; )	3470	for (pri = NUMPRI; pri--; )
3060	count += pendingcnt [pri];	3471	count += pendingcnt [pri];
3061		3472
3062	return count;	3473	return count;
3063	}	3474	}
3064		3475
3065	void noinline	3476	ecb_noinline
		3477	void
3066	ev_invoke_pending (EV_P)	3478	ev_invoke_pending (EV_P)
3067	{	3479	{
3068	pendingpri = NUMPRI;	3480	pendingpri = NUMPRI;
3069		3481
3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3482	do
3071	{	3483	{
3072	--pendingpri;	3484	--pendingpri;
3073		3485
		3486	/* pendingpri possibly gets modified in the inner loop */
3074	while (pendingcnt [pendingpri])	3487	while (pendingcnt [pendingpri])
3075	{	3488	{
3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3489	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3077		3490
3078	p->w->pending = 0;	3491	p->w->pending = 0;
3079	EV_CB_INVOKE (p->w, p->events);	3492	EV_CB_INVOKE (p->w, p->events);
3080	EV_FREQUENT_CHECK;	3493	EV_FREQUENT_CHECK;
3081	}	3494	}
3082	}	3495	}
		3496	while (pendingpri);
3083	}	3497	}
3084		3498
3085	#if EV_IDLE_ENABLE	3499	#if EV_IDLE_ENABLE
3086	/* make idle watchers pending. this handles the "call-idle */	3500	/* make idle watchers pending. this handles the "call-idle */
3087	/* only when higher priorities are idle" logic */	3501	/* only when higher priorities are idle" logic */
3088	inline_size void	3502	inline_size void
3089	idle_reify (EV_P)	3503	idle_reify (EV_P)
3090	{	3504	{
3091	if (expect_false (idleall))	3505	if (ecb_expect_false (idleall))
3092	{	3506	{
3093	int pri;	3507	int pri;
3094		3508
3095	for (pri = NUMPRI; pri--; )	3509	for (pri = NUMPRI; pri--; )
3096	{	3510	{
…		…
3145	}	3559	}
3146	}	3560	}
3147		3561
3148	#if EV_PERIODIC_ENABLE	3562	#if EV_PERIODIC_ENABLE
3149		3563
3150	static void noinline	3564	ecb_noinline
		3565	static void
3151	periodic_recalc (EV_P_ ev_periodic *w)	3566	periodic_recalc (EV_P_ ev_periodic *w)
3152	{	3567	{
3153	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3568	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3154	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3569	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3155		3570
…		…
3157	while (at <= ev_rt_now)	3572	while (at <= ev_rt_now)
3158	{	3573	{
3159	ev_tstamp nat = at + w->interval;	3574	ev_tstamp nat = at + w->interval;
3160		3575
3161	/* when resolution fails us, we use ev_rt_now */	3576	/* when resolution fails us, we use ev_rt_now */
3162	if (expect_false (nat == at))	3577	if (ecb_expect_false (nat == at))
3163	{	3578	{
3164	at = ev_rt_now;	3579	at = ev_rt_now;
3165	break;	3580	break;
3166	}	3581	}
3167		3582
…		…
3213	}	3628	}
3214	}	3629	}
3215		3630
3216	/* simply recalculate all periodics */	3631	/* simply recalculate all periodics */
3217	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3632	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3218	static void noinline ecb_cold	3633	ecb_noinline ecb_cold
		3634	static void
3219	periodics_reschedule (EV_P)	3635	periodics_reschedule (EV_P)
3220	{	3636	{
3221	int i;	3637	int i;
3222		3638
3223	/* adjust periodics after time jump */	3639	/* adjust periodics after time jump */
…		…
3236	reheap (periodics, periodiccnt);	3652	reheap (periodics, periodiccnt);
3237	}	3653	}
3238	#endif	3654	#endif
3239		3655
3240	/* adjust all timers by a given offset */	3656	/* adjust all timers by a given offset */
3241	static void noinline ecb_cold	3657	ecb_noinline ecb_cold
		3658	static void
3242	timers_reschedule (EV_P_ ev_tstamp adjust)	3659	timers_reschedule (EV_P_ ev_tstamp adjust)
3243	{	3660	{
3244	int i;	3661	int i;
3245		3662
3246	for (i = 0; i < timercnt; ++i)	3663	for (i = 0; i < timercnt; ++i)
…		…
3255	/* also detect if there was a timejump, and act accordingly */	3672	/* also detect if there was a timejump, and act accordingly */
3256	inline_speed void	3673	inline_speed void
3257	time_update (EV_P_ ev_tstamp max_block)	3674	time_update (EV_P_ ev_tstamp max_block)
3258	{	3675	{
3259	#if EV_USE_MONOTONIC	3676	#if EV_USE_MONOTONIC
3260	if (expect_true (have_monotonic))	3677	if (ecb_expect_true (have_monotonic))
3261	{	3678	{
3262	int i;	3679	int i;
3263	ev_tstamp odiff = rtmn_diff;	3680	ev_tstamp odiff = rtmn_diff;
3264		3681
3265	mn_now = get_clock ();	3682	mn_now = get_clock ();
3266		3683
3267	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3684	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3268	/* interpolate in the meantime */	3685	/* interpolate in the meantime */
3269	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3686	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3270	{	3687	{
3271	ev_rt_now = rtmn_diff + mn_now;	3688	ev_rt_now = rtmn_diff + mn_now;
3272	return;	3689	return;
3273	}	3690	}
3274		3691
…		…
3288	ev_tstamp diff;	3705	ev_tstamp diff;
3289	rtmn_diff = ev_rt_now - mn_now;	3706	rtmn_diff = ev_rt_now - mn_now;
3290		3707
3291	diff = odiff - rtmn_diff;	3708	diff = odiff - rtmn_diff;
3292		3709
3293	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3710	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3294	return; /* all is well */	3711	return; /* all is well */
3295		3712
3296	ev_rt_now = ev_time ();	3713	ev_rt_now = ev_time ();
3297	mn_now = get_clock ();	3714	mn_now = get_clock ();
3298	now_floor = mn_now;	3715	now_floor = mn_now;
…		…
3307	else	3724	else
3308	#endif	3725	#endif
3309	{	3726	{
3310	ev_rt_now = ev_time ();	3727	ev_rt_now = ev_time ();
3311		3728
3312	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3729	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3313	{	3730	{
3314	/* adjust timers. this is easy, as the offset is the same for all of them */	3731	/* adjust timers. this is easy, as the offset is the same for all of them */
3315	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3732	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3316	#if EV_PERIODIC_ENABLE	3733	#if EV_PERIODIC_ENABLE
3317	periodics_reschedule (EV_A);	3734	periodics_reschedule (EV_A);
…		…
3340	#if EV_VERIFY >= 2	3757	#if EV_VERIFY >= 2
3341	ev_verify (EV_A);	3758	ev_verify (EV_A);
3342	#endif	3759	#endif
3343		3760
3344	#ifndef _WIN32	3761	#ifndef _WIN32
3345	if (expect_false (curpid)) /* penalise the forking check even more */	3762	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3346	if (expect_false (getpid () != curpid))	3763	if (ecb_expect_false (getpid () != curpid))
3347	{	3764	{
3348	curpid = getpid ();	3765	curpid = getpid ();
3349	postfork = 1;	3766	postfork = 1;
3350	}	3767	}
3351	#endif	3768	#endif
3352		3769
3353	#if EV_FORK_ENABLE	3770	#if EV_FORK_ENABLE
3354	/* we might have forked, so queue fork handlers */	3771	/* we might have forked, so queue fork handlers */
3355	if (expect_false (postfork))	3772	if (ecb_expect_false (postfork))
3356	if (forkcnt)	3773	if (forkcnt)
3357	{	3774	{
3358	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3775	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3359	EV_INVOKE_PENDING;	3776	EV_INVOKE_PENDING;
3360	}	3777	}
3361	#endif	3778	#endif
3362		3779
3363	#if EV_PREPARE_ENABLE	3780	#if EV_PREPARE_ENABLE
3364	/* queue prepare watchers (and execute them) */	3781	/* queue prepare watchers (and execute them) */
3365	if (expect_false (preparecnt))	3782	if (ecb_expect_false (preparecnt))
3366	{	3783	{
3367	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3784	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3368	EV_INVOKE_PENDING;	3785	EV_INVOKE_PENDING;
3369	}	3786	}
3370	#endif	3787	#endif
3371		3788
3372	if (expect_false (loop_done))	3789	if (ecb_expect_false (loop_done))
3373	break;	3790	break;
3374		3791
3375	/* we might have forked, so reify kernel state if necessary */	3792	/* we might have forked, so reify kernel state if necessary */
3376	if (expect_false (postfork))	3793	if (ecb_expect_false (postfork))
3377	loop_fork (EV_A);	3794	loop_fork (EV_A);
3378		3795
3379	/* update fd-related kernel structures */	3796	/* update fd-related kernel structures */
3380	fd_reify (EV_A);	3797	fd_reify (EV_A);
3381		3798
…		…
3393	/* from now on, we want a pipe-wake-up */	3810	/* from now on, we want a pipe-wake-up */
3394	pipe_write_wanted = 1;	3811	pipe_write_wanted = 1;
3395		3812
3396	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3813	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3397		3814
3398	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3815	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3399	{	3816	{
3400	waittime = MAX_BLOCKTIME;	3817	waittime = MAX_BLOCKTIME;
3401		3818
3402	if (timercnt)	3819	if (timercnt)
3403	{	3820	{
…		…
3412	if (waittime > to) waittime = to;	3829	if (waittime > to) waittime = to;
3413	}	3830	}
3414	#endif	3831	#endif
3415		3832
3416	/* don't let timeouts decrease the waittime below timeout_blocktime */	3833	/* don't let timeouts decrease the waittime below timeout_blocktime */
3417	if (expect_false (waittime < timeout_blocktime))	3834	if (ecb_expect_false (waittime < timeout_blocktime))
3418	waittime = timeout_blocktime;	3835	waittime = timeout_blocktime;
3419		3836
3420	/* at this point, we NEED to wait, so we have to ensure */	3837	/* at this point, we NEED to wait, so we have to ensure */
3421	/* to pass a minimum nonzero value to the backend */	3838	/* to pass a minimum nonzero value to the backend */
3422	if (expect_false (waittime < backend_mintime))	3839	if (ecb_expect_false (waittime < backend_mintime))
3423	waittime = backend_mintime;	3840	waittime = backend_mintime;
3424		3841
3425	/* extra check because io_blocktime is commonly 0 */	3842	/* extra check because io_blocktime is commonly 0 */
3426	if (expect_false (io_blocktime))	3843	if (ecb_expect_false (io_blocktime))
3427	{	3844	{
3428	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3845	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3429		3846
3430	if (sleeptime > waittime - backend_mintime)	3847	if (sleeptime > waittime - backend_mintime)
3431	sleeptime = waittime - backend_mintime;	3848	sleeptime = waittime - backend_mintime;
3432		3849
3433	if (expect_true (sleeptime > 0.))	3850	if (ecb_expect_true (sleeptime > 0.))
3434	{	3851	{
3435	ev_sleep (sleeptime);	3852	ev_sleep (sleeptime);
3436	waittime -= sleeptime;	3853	waittime -= sleeptime;
3437	}	3854	}
3438	}	3855	}
…		…
3452	{	3869	{
3453	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3870	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3454	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3871	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3455	}	3872	}
3456		3873
3457
3458	/* update ev_rt_now, do magic */	3874	/* update ev_rt_now, do magic */
3459	time_update (EV_A_ waittime + sleeptime);	3875	time_update (EV_A_ waittime + sleeptime);
3460	}	3876	}
3461		3877
3462	/* queue pending timers and reschedule them */	3878	/* queue pending timers and reschedule them */
…		…
3470	idle_reify (EV_A);	3886	idle_reify (EV_A);
3471	#endif	3887	#endif
3472		3888
3473	#if EV_CHECK_ENABLE	3889	#if EV_CHECK_ENABLE
3474	/* queue check watchers, to be executed first */	3890	/* queue check watchers, to be executed first */
3475	if (expect_false (checkcnt))	3891	if (ecb_expect_false (checkcnt))
3476	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3892	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3477	#endif	3893	#endif
3478		3894
3479	EV_INVOKE_PENDING;	3895	EV_INVOKE_PENDING;
3480	}	3896	}
3481	while (expect_true (	3897	while (ecb_expect_true (
3482	activecnt	3898	activecnt
3483	&& !loop_done	3899	&& !loop_done
3484	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3900	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3485	));	3901	));
3486		3902
…		…
3493		3909
3494	return activecnt;	3910	return activecnt;
3495	}	3911	}
3496		3912
3497	void	3913	void
3498	ev_break (EV_P_ int how) EV_THROW	3914	ev_break (EV_P_ int how) EV_NOEXCEPT
3499	{	3915	{
3500	loop_done = how;	3916	loop_done = how;
3501	}	3917	}
3502		3918
3503	void	3919	void
3504	ev_ref (EV_P) EV_THROW	3920	ev_ref (EV_P) EV_NOEXCEPT
3505	{	3921	{
3506	++activecnt;	3922	++activecnt;
3507	}	3923	}
3508		3924
3509	void	3925	void
3510	ev_unref (EV_P) EV_THROW	3926	ev_unref (EV_P) EV_NOEXCEPT
3511	{	3927	{
3512	--activecnt;	3928	--activecnt;
3513	}	3929	}
3514		3930
3515	void	3931	void
3516	ev_now_update (EV_P) EV_THROW	3932	ev_now_update (EV_P) EV_NOEXCEPT
3517	{	3933	{
3518	time_update (EV_A_ 1e100);	3934	time_update (EV_A_ 1e100);
3519	}	3935	}
3520		3936
3521	void	3937	void
3522	ev_suspend (EV_P) EV_THROW	3938	ev_suspend (EV_P) EV_NOEXCEPT
3523	{	3939	{
3524	ev_now_update (EV_A);	3940	ev_now_update (EV_A);
3525	}	3941	}
3526		3942
3527	void	3943	void
3528	ev_resume (EV_P) EV_THROW	3944	ev_resume (EV_P) EV_NOEXCEPT
3529	{	3945	{
3530	ev_tstamp mn_prev = mn_now;	3946	ev_tstamp mn_prev = mn_now;
3531		3947
3532	ev_now_update (EV_A);	3948	ev_now_update (EV_A);
3533	timers_reschedule (EV_A_ mn_now - mn_prev);	3949	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3550	inline_size void	3966	inline_size void
3551	wlist_del (WL *head, WL elem)	3967	wlist_del (WL *head, WL elem)
3552	{	3968	{
3553	while (*head)	3969	while (*head)
3554	{	3970	{
3555	if (expect_true (*head == elem))	3971	if (ecb_expect_true (*head == elem))
3556	{	3972	{
3557	*head = elem->next;	3973	*head = elem->next;
3558	break;	3974	break;
3559	}	3975	}
3560		3976
…		…
3572	w->pending = 0;	3988	w->pending = 0;
3573	}	3989	}
3574	}	3990	}
3575		3991
3576	int	3992	int
3577	ev_clear_pending (EV_P_ void *w) EV_THROW	3993	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3578	{	3994	{
3579	W w_ = (W)w;	3995	W w_ = (W)w;
3580	int pending = w_->pending;	3996	int pending = w_->pending;
3581		3997
3582	if (expect_true (pending))	3998	if (ecb_expect_true (pending))
3583	{	3999	{
3584	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4000	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3585	p->w = (W)&pending_w;	4001	p->w = (W)&pending_w;
3586	w_->pending = 0;	4002	w_->pending = 0;
3587	return p->events;	4003	return p->events;
…		…
3614	w->active = 0;	4030	w->active = 0;
3615	}	4031	}
3616		4032
3617	/*****************************************************************************/	4033	/*****************************************************************************/
3618		4034
3619	void noinline	4035	ecb_noinline
		4036	void
3620	ev_io_start (EV_P_ ev_io *w) EV_THROW	4037	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3621	{	4038	{
3622	int fd = w->fd;	4039	int fd = w->fd;
3623		4040
3624	if (expect_false (ev_is_active (w)))	4041	if (ecb_expect_false (ev_is_active (w)))
3625	return;	4042	return;
3626		4043
3627	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4044	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3628	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4045	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3629		4046
		4047	#if EV_VERIFY >= 2
		4048	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4049	#endif
3630	EV_FREQUENT_CHECK;	4050	EV_FREQUENT_CHECK;
3631		4051
3632	ev_start (EV_A_ (W)w, 1);	4052	ev_start (EV_A_ (W)w, 1);
3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4053	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3634	wlist_add (&anfds[fd].head, (WL)w);	4054	wlist_add (&anfds[fd].head, (WL)w);
3635		4055
3636	/* common bug, apparently */	4056	/* common bug, apparently */
3637	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4057	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3638		4058
…		…
3640	w->events &= ~EV__IOFDSET;	4060	w->events &= ~EV__IOFDSET;
3641		4061
3642	EV_FREQUENT_CHECK;	4062	EV_FREQUENT_CHECK;
3643	}	4063	}
3644		4064
3645	void noinline	4065	ecb_noinline
		4066	void
3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4067	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3647	{	4068	{
3648	clear_pending (EV_A_ (W)w);	4069	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	4070	if (ecb_expect_false (!ev_is_active (w)))
3650	return;	4071	return;
3651		4072
3652	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4073	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3653		4074
		4075	#if EV_VERIFY >= 2
		4076	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4077	#endif
3654	EV_FREQUENT_CHECK;	4078	EV_FREQUENT_CHECK;
3655		4079
3656	wlist_del (&anfds[w->fd].head, (WL)w);	4080	wlist_del (&anfds[w->fd].head, (WL)w);
3657	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3658		4082
3659	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4083	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3660		4084
3661	EV_FREQUENT_CHECK;	4085	EV_FREQUENT_CHECK;
3662	}	4086	}
3663		4087
3664	void noinline	4088	ecb_noinline
		4089	void
3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4090	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3666	{	4091	{
3667	if (expect_false (ev_is_active (w)))	4092	if (ecb_expect_false (ev_is_active (w)))
3668	return;	4093	return;
3669		4094
3670	ev_at (w) += mn_now;	4095	ev_at (w) += mn_now;
3671		4096
3672	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4097	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3673		4098
3674	EV_FREQUENT_CHECK;	4099	EV_FREQUENT_CHECK;
3675		4100
3676	++timercnt;	4101	++timercnt;
3677	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4102	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3678	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4103	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3679	ANHE_w (timers [ev_active (w)]) = (WT)w;	4104	ANHE_w (timers [ev_active (w)]) = (WT)w;
3680	ANHE_at_cache (timers [ev_active (w)]);	4105	ANHE_at_cache (timers [ev_active (w)]);
3681	upheap (timers, ev_active (w));	4106	upheap (timers, ev_active (w));
3682		4107
3683	EV_FREQUENT_CHECK;	4108	EV_FREQUENT_CHECK;
3684		4109
3685	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4110	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3686	}	4111	}
3687		4112
3688	void noinline	4113	ecb_noinline
		4114	void
3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4115	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3690	{	4116	{
3691	clear_pending (EV_A_ (W)w);	4117	clear_pending (EV_A_ (W)w);
3692	if (expect_false (!ev_is_active (w)))	4118	if (ecb_expect_false (!ev_is_active (w)))
3693	return;	4119	return;
3694		4120
3695	EV_FREQUENT_CHECK;	4121	EV_FREQUENT_CHECK;
3696		4122
3697	{	4123	{
…		…
3699		4125
3700	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4126	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3701		4127
3702	--timercnt;	4128	--timercnt;
3703		4129
3704	if (expect_true (active < timercnt + HEAP0))	4130	if (ecb_expect_true (active < timercnt + HEAP0))
3705	{	4131	{
3706	timers [active] = timers [timercnt + HEAP0];	4132	timers [active] = timers [timercnt + HEAP0];
3707	adjustheap (timers, timercnt, active);	4133	adjustheap (timers, timercnt, active);
3708	}	4134	}
3709	}	4135	}
…		…
3713	ev_stop (EV_A_ (W)w);	4139	ev_stop (EV_A_ (W)w);
3714		4140
3715	EV_FREQUENT_CHECK;	4141	EV_FREQUENT_CHECK;
3716	}	4142	}
3717		4143
3718	void noinline	4144	ecb_noinline
		4145	void
3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4146	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3720	{	4147	{
3721	EV_FREQUENT_CHECK;	4148	EV_FREQUENT_CHECK;
3722		4149
3723	clear_pending (EV_A_ (W)w);	4150	clear_pending (EV_A_ (W)w);
3724		4151
…		…
3741		4168
3742	EV_FREQUENT_CHECK;	4169	EV_FREQUENT_CHECK;
3743	}	4170	}
3744		4171
3745	ev_tstamp	4172	ev_tstamp
3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4173	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3747	{	4174	{
3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4175	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3749	}	4176	}
3750		4177
3751	#if EV_PERIODIC_ENABLE	4178	#if EV_PERIODIC_ENABLE
3752	void noinline	4179	ecb_noinline
		4180	void
3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4181	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3754	{	4182	{
3755	if (expect_false (ev_is_active (w)))	4183	if (ecb_expect_false (ev_is_active (w)))
3756	return;	4184	return;
3757		4185
3758	if (w->reschedule_cb)	4186	if (w->reschedule_cb)
3759	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4187	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3760	else if (w->interval)	4188	else if (w->interval)
…		…
3767		4195
3768	EV_FREQUENT_CHECK;	4196	EV_FREQUENT_CHECK;
3769		4197
3770	++periodiccnt;	4198	++periodiccnt;
3771	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4199	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3772	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4200	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3773	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4201	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3774	ANHE_at_cache (periodics [ev_active (w)]);	4202	ANHE_at_cache (periodics [ev_active (w)]);
3775	upheap (periodics, ev_active (w));	4203	upheap (periodics, ev_active (w));
3776		4204
3777	EV_FREQUENT_CHECK;	4205	EV_FREQUENT_CHECK;
3778		4206
3779	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4207	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3780	}	4208	}
3781		4209
3782	void noinline	4210	ecb_noinline
		4211	void
3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4212	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3784	{	4213	{
3785	clear_pending (EV_A_ (W)w);	4214	clear_pending (EV_A_ (W)w);
3786	if (expect_false (!ev_is_active (w)))	4215	if (ecb_expect_false (!ev_is_active (w)))
3787	return;	4216	return;
3788		4217
3789	EV_FREQUENT_CHECK;	4218	EV_FREQUENT_CHECK;
3790		4219
3791	{	4220	{
…		…
3793		4222
3794	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4223	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3795		4224
3796	--periodiccnt;	4225	--periodiccnt;
3797		4226
3798	if (expect_true (active < periodiccnt + HEAP0))	4227	if (ecb_expect_true (active < periodiccnt + HEAP0))
3799	{	4228	{
3800	periodics [active] = periodics [periodiccnt + HEAP0];	4229	periodics [active] = periodics [periodiccnt + HEAP0];
3801	adjustheap (periodics, periodiccnt, active);	4230	adjustheap (periodics, periodiccnt, active);
3802	}	4231	}
3803	}	4232	}
…		…
3805	ev_stop (EV_A_ (W)w);	4234	ev_stop (EV_A_ (W)w);
3806		4235
3807	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
3808	}	4237	}
3809		4238
3810	void noinline	4239	ecb_noinline
		4240	void
3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4241	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3812	{	4242	{
3813	/* TODO: use adjustheap and recalculation */	4243	/* TODO: use adjustheap and recalculation */
3814	ev_periodic_stop (EV_A_ w);	4244	ev_periodic_stop (EV_A_ w);
3815	ev_periodic_start (EV_A_ w);	4245	ev_periodic_start (EV_A_ w);
3816	}	4246	}
…		…
3820	# define SA_RESTART 0	4250	# define SA_RESTART 0
3821	#endif	4251	#endif
3822		4252
3823	#if EV_SIGNAL_ENABLE	4253	#if EV_SIGNAL_ENABLE
3824		4254
3825	void noinline	4255	ecb_noinline
		4256	void
3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4257	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3827	{	4258	{
3828	if (expect_false (ev_is_active (w)))	4259	if (ecb_expect_false (ev_is_active (w)))
3829	return;	4260	return;
3830		4261
3831	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4262	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3832		4263
3833	#if EV_MULTIPLICITY	4264	#if EV_MULTIPLICITY
…		…
3902	}	4333	}
3903		4334
3904	EV_FREQUENT_CHECK;	4335	EV_FREQUENT_CHECK;
3905	}	4336	}
3906		4337
3907	void noinline	4338	ecb_noinline
		4339	void
3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4340	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3909	{	4341	{
3910	clear_pending (EV_A_ (W)w);	4342	clear_pending (EV_A_ (W)w);
3911	if (expect_false (!ev_is_active (w)))	4343	if (ecb_expect_false (!ev_is_active (w)))
3912	return;	4344	return;
3913		4345
3914	EV_FREQUENT_CHECK;	4346	EV_FREQUENT_CHECK;
3915		4347
3916	wlist_del (&signals [w->signum - 1].head, (WL)w);	4348	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3944	#endif	4376	#endif
3945		4377
3946	#if EV_CHILD_ENABLE	4378	#if EV_CHILD_ENABLE
3947		4379
3948	void	4380	void
3949	ev_child_start (EV_P_ ev_child *w) EV_THROW	4381	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3950	{	4382	{
3951	#if EV_MULTIPLICITY	4383	#if EV_MULTIPLICITY
3952	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4384	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3953	#endif	4385	#endif
3954	if (expect_false (ev_is_active (w)))	4386	if (ecb_expect_false (ev_is_active (w)))
3955	return;	4387	return;
3956		4388
3957	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3958		4390
3959	ev_start (EV_A_ (W)w, 1);	4391	ev_start (EV_A_ (W)w, 1);
…		…
3961		4393
3962	EV_FREQUENT_CHECK;	4394	EV_FREQUENT_CHECK;
3963	}	4395	}
3964		4396
3965	void	4397	void
3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4398	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3967	{	4399	{
3968	clear_pending (EV_A_ (W)w);	4400	clear_pending (EV_A_ (W)w);
3969	if (expect_false (!ev_is_active (w)))	4401	if (ecb_expect_false (!ev_is_active (w)))
3970	return;	4402	return;
3971		4403
3972	EV_FREQUENT_CHECK;	4404	EV_FREQUENT_CHECK;
3973		4405
3974	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4406	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3988		4420
3989	#define DEF_STAT_INTERVAL 5.0074891	4421	#define DEF_STAT_INTERVAL 5.0074891
3990	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4422	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3991	#define MIN_STAT_INTERVAL 0.1074891	4423	#define MIN_STAT_INTERVAL 0.1074891
3992		4424
3993	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4425	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3994		4426
3995	#if EV_USE_INOTIFY	4427	#if EV_USE_INOTIFY
3996		4428
3997	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4429	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3998	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4430	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3999		4431
4000	static void noinline	4432	ecb_noinline
		4433	static void
4001	infy_add (EV_P_ ev_stat *w)	4434	infy_add (EV_P_ ev_stat *w)
4002	{	4435	{
4003	w->wd = inotify_add_watch (fs_fd, w->path,	4436	w->wd = inotify_add_watch (fs_fd, w->path,
4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4437	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4438	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4069	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4502	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4070	ev_timer_again (EV_A_ &w->timer);	4503	ev_timer_again (EV_A_ &w->timer);
4071	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4072	}	4505	}
4073		4506
4074	static void noinline	4507	ecb_noinline
		4508	static void
4075	infy_del (EV_P_ ev_stat *w)	4509	infy_del (EV_P_ ev_stat *w)
4076	{	4510	{
4077	int slot;	4511	int slot;
4078	int wd = w->wd;	4512	int wd = w->wd;
4079		4513
…		…
4086		4520
4087	/* remove this watcher, if others are watching it, they will rearm */	4521	/* remove this watcher, if others are watching it, they will rearm */
4088	inotify_rm_watch (fs_fd, wd);	4522	inotify_rm_watch (fs_fd, wd);
4089	}	4523	}
4090		4524
4091	static void noinline	4525	ecb_noinline
		4526	static void
4092	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4527	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4093	{	4528	{
4094	if (slot < 0)	4529	if (slot < 0)
4095	/* overflow, need to check for all hash slots */	4530	/* overflow, need to check for all hash slots */
4096	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4531	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4132	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4567	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4133	ofs += sizeof (struct inotify_event) + ev->len;	4568	ofs += sizeof (struct inotify_event) + ev->len;
4134	}	4569	}
4135	}	4570	}
4136		4571
4137	inline_size void ecb_cold	4572	inline_size ecb_cold
		4573	void
4138	ev_check_2625 (EV_P)	4574	ev_check_2625 (EV_P)
4139	{	4575	{
4140	/* kernels < 2.6.25 are borked	4576	/* kernels < 2.6.25 are borked
4141	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4577	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4142	*/	4578	*/
…		…
4232	#else	4668	#else
4233	# define EV_LSTAT(p,b) lstat (p, b)	4669	# define EV_LSTAT(p,b) lstat (p, b)
4234	#endif	4670	#endif
4235		4671
4236	void	4672	void
4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4673	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4238	{	4674	{
4239	if (lstat (w->path, &w->attr) < 0)	4675	if (lstat (w->path, &w->attr) < 0)
4240	w->attr.st_nlink = 0;	4676	w->attr.st_nlink = 0;
4241	else if (!w->attr.st_nlink)	4677	else if (!w->attr.st_nlink)
4242	w->attr.st_nlink = 1;	4678	w->attr.st_nlink = 1;
4243	}	4679	}
4244		4680
4245	static void noinline	4681	ecb_noinline
		4682	static void
4246	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4683	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4247	{	4684	{
4248	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4685	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4249		4686
4250	ev_statdata prev = w->attr;	4687	ev_statdata prev = w->attr;
…		…
4281	ev_feed_event (EV_A_ w, EV_STAT);	4718	ev_feed_event (EV_A_ w, EV_STAT);
4282	}	4719	}
4283	}	4720	}
4284		4721
4285	void	4722	void
4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4723	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4287	{	4724	{
4288	if (expect_false (ev_is_active (w)))	4725	if (ecb_expect_false (ev_is_active (w)))
4289	return;	4726	return;
4290		4727
4291	ev_stat_stat (EV_A_ w);	4728	ev_stat_stat (EV_A_ w);
4292		4729
4293	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4730	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4312		4749
4313	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
4314	}	4751	}
4315		4752
4316	void	4753	void
4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4754	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4318	{	4755	{
4319	clear_pending (EV_A_ (W)w);	4756	clear_pending (EV_A_ (W)w);
4320	if (expect_false (!ev_is_active (w)))	4757	if (ecb_expect_false (!ev_is_active (w)))
4321	return;	4758	return;
4322		4759
4323	EV_FREQUENT_CHECK;	4760	EV_FREQUENT_CHECK;
4324		4761
4325	#if EV_USE_INOTIFY	4762	#if EV_USE_INOTIFY
…		…
4338	}	4775	}
4339	#endif	4776	#endif
4340		4777
4341	#if EV_IDLE_ENABLE	4778	#if EV_IDLE_ENABLE
4342	void	4779	void
4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4780	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4344	{	4781	{
4345	if (expect_false (ev_is_active (w)))	4782	if (ecb_expect_false (ev_is_active (w)))
4346	return;	4783	return;
4347		4784
4348	pri_adjust (EV_A_ (W)w);	4785	pri_adjust (EV_A_ (W)w);
4349		4786
4350	EV_FREQUENT_CHECK;	4787	EV_FREQUENT_CHECK;
…		…
4353	int active = ++idlecnt [ABSPRI (w)];	4790	int active = ++idlecnt [ABSPRI (w)];
4354		4791
4355	++idleall;	4792	++idleall;
4356	ev_start (EV_A_ (W)w, active);	4793	ev_start (EV_A_ (W)w, active);
4357		4794
4358	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4795	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4359	idles [ABSPRI (w)][active - 1] = w;	4796	idles [ABSPRI (w)][active - 1] = w;
4360	}	4797	}
4361		4798
4362	EV_FREQUENT_CHECK;	4799	EV_FREQUENT_CHECK;
4363	}	4800	}
4364		4801
4365	void	4802	void
4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4803	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4367	{	4804	{
4368	clear_pending (EV_A_ (W)w);	4805	clear_pending (EV_A_ (W)w);
4369	if (expect_false (!ev_is_active (w)))	4806	if (ecb_expect_false (!ev_is_active (w)))
4370	return;	4807	return;
4371		4808
4372	EV_FREQUENT_CHECK;	4809	EV_FREQUENT_CHECK;
4373		4810
4374	{	4811	{
…		…
4385	}	4822	}
4386	#endif	4823	#endif
4387		4824
4388	#if EV_PREPARE_ENABLE	4825	#if EV_PREPARE_ENABLE
4389	void	4826	void
4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4827	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4391	{	4828	{
4392	if (expect_false (ev_is_active (w)))	4829	if (ecb_expect_false (ev_is_active (w)))
4393	return;	4830	return;
4394		4831
4395	EV_FREQUENT_CHECK;	4832	EV_FREQUENT_CHECK;
4396		4833
4397	ev_start (EV_A_ (W)w, ++preparecnt);	4834	ev_start (EV_A_ (W)w, ++preparecnt);
4398	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4835	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4399	prepares [preparecnt - 1] = w;	4836	prepares [preparecnt - 1] = w;
4400		4837
4401	EV_FREQUENT_CHECK;	4838	EV_FREQUENT_CHECK;
4402	}	4839	}
4403		4840
4404	void	4841	void
4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4842	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4406	{	4843	{
4407	clear_pending (EV_A_ (W)w);	4844	clear_pending (EV_A_ (W)w);
4408	if (expect_false (!ev_is_active (w)))	4845	if (ecb_expect_false (!ev_is_active (w)))
4409	return;	4846	return;
4410		4847
4411	EV_FREQUENT_CHECK;	4848	EV_FREQUENT_CHECK;
4412		4849
4413	{	4850	{
…		…
4423	}	4860	}
4424	#endif	4861	#endif
4425		4862
4426	#if EV_CHECK_ENABLE	4863	#if EV_CHECK_ENABLE
4427	void	4864	void
4428	ev_check_start (EV_P_ ev_check *w) EV_THROW	4865	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4429	{	4866	{
4430	if (expect_false (ev_is_active (w)))	4867	if (ecb_expect_false (ev_is_active (w)))
4431	return;	4868	return;
4432		4869
4433	EV_FREQUENT_CHECK;	4870	EV_FREQUENT_CHECK;
4434		4871
4435	ev_start (EV_A_ (W)w, ++checkcnt);	4872	ev_start (EV_A_ (W)w, ++checkcnt);
4436	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4873	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4437	checks [checkcnt - 1] = w;	4874	checks [checkcnt - 1] = w;
4438		4875
4439	EV_FREQUENT_CHECK;	4876	EV_FREQUENT_CHECK;
4440	}	4877	}
4441		4878
4442	void	4879	void
4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4880	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4444	{	4881	{
4445	clear_pending (EV_A_ (W)w);	4882	clear_pending (EV_A_ (W)w);
4446	if (expect_false (!ev_is_active (w)))	4883	if (ecb_expect_false (!ev_is_active (w)))
4447	return;	4884	return;
4448		4885
4449	EV_FREQUENT_CHECK;	4886	EV_FREQUENT_CHECK;
4450		4887
4451	{	4888	{
…		…
4460	EV_FREQUENT_CHECK;	4897	EV_FREQUENT_CHECK;
4461	}	4898	}
4462	#endif	4899	#endif
4463		4900
4464	#if EV_EMBED_ENABLE	4901	#if EV_EMBED_ENABLE
4465	void noinline	4902	ecb_noinline
		4903	void
4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4904	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4467	{	4905	{
4468	ev_run (w->other, EVRUN_NOWAIT);	4906	ev_run (w->other, EVRUN_NOWAIT);
4469	}	4907	}
4470		4908
4471	static void	4909	static void
…		…
4519	ev_idle_stop (EV_A_ idle);	4957	ev_idle_stop (EV_A_ idle);
4520	}	4958	}
4521	#endif	4959	#endif
4522		4960
4523	void	4961	void
4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4962	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4525	{	4963	{
4526	if (expect_false (ev_is_active (w)))	4964	if (ecb_expect_false (ev_is_active (w)))
4527	return;	4965	return;
4528		4966
4529	{	4967	{
4530	EV_P = w->other;	4968	EV_P = w->other;
4531	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4969	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4550		4988
4551	EV_FREQUENT_CHECK;	4989	EV_FREQUENT_CHECK;
4552	}	4990	}
4553		4991
4554	void	4992	void
4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4993	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4556	{	4994	{
4557	clear_pending (EV_A_ (W)w);	4995	clear_pending (EV_A_ (W)w);
4558	if (expect_false (!ev_is_active (w)))	4996	if (ecb_expect_false (!ev_is_active (w)))
4559	return;	4997	return;
4560		4998
4561	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4562		5000
4563	ev_io_stop (EV_A_ &w->io);	5001	ev_io_stop (EV_A_ &w->io);
…		…
4570	}	5008	}
4571	#endif	5009	#endif
4572		5010
4573	#if EV_FORK_ENABLE	5011	#if EV_FORK_ENABLE
4574	void	5012	void
4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5013	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4576	{	5014	{
4577	if (expect_false (ev_is_active (w)))	5015	if (ecb_expect_false (ev_is_active (w)))
4578	return;	5016	return;
4579		5017
4580	EV_FREQUENT_CHECK;	5018	EV_FREQUENT_CHECK;
4581		5019
4582	ev_start (EV_A_ (W)w, ++forkcnt);	5020	ev_start (EV_A_ (W)w, ++forkcnt);
4583	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5021	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4584	forks [forkcnt - 1] = w;	5022	forks [forkcnt - 1] = w;
4585		5023
4586	EV_FREQUENT_CHECK;	5024	EV_FREQUENT_CHECK;
4587	}	5025	}
4588		5026
4589	void	5027	void
4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5028	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4591	{	5029	{
4592	clear_pending (EV_A_ (W)w);	5030	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	5031	if (ecb_expect_false (!ev_is_active (w)))
4594	return;	5032	return;
4595		5033
4596	EV_FREQUENT_CHECK;	5034	EV_FREQUENT_CHECK;
4597		5035
4598	{	5036	{
…		…
4608	}	5046	}
4609	#endif	5047	#endif
4610		5048
4611	#if EV_CLEANUP_ENABLE	5049	#if EV_CLEANUP_ENABLE
4612	void	5050	void
4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5051	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4614	{	5052	{
4615	if (expect_false (ev_is_active (w)))	5053	if (ecb_expect_false (ev_is_active (w)))
4616	return;	5054	return;
4617		5055
4618	EV_FREQUENT_CHECK;	5056	EV_FREQUENT_CHECK;
4619		5057
4620	ev_start (EV_A_ (W)w, ++cleanupcnt);	5058	ev_start (EV_A_ (W)w, ++cleanupcnt);
4621	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5059	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4622	cleanups [cleanupcnt - 1] = w;	5060	cleanups [cleanupcnt - 1] = w;
4623		5061
4624	/* cleanup watchers should never keep a refcount on the loop */	5062	/* cleanup watchers should never keep a refcount on the loop */
4625	ev_unref (EV_A);	5063	ev_unref (EV_A);
4626	EV_FREQUENT_CHECK;	5064	EV_FREQUENT_CHECK;
4627	}	5065	}
4628		5066
4629	void	5067	void
4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5068	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4631	{	5069	{
4632	clear_pending (EV_A_ (W)w);	5070	clear_pending (EV_A_ (W)w);
4633	if (expect_false (!ev_is_active (w)))	5071	if (ecb_expect_false (!ev_is_active (w)))
4634	return;	5072	return;
4635		5073
4636	EV_FREQUENT_CHECK;	5074	EV_FREQUENT_CHECK;
4637	ev_ref (EV_A);	5075	ev_ref (EV_A);
4638		5076
…		…
4649	}	5087	}
4650	#endif	5088	#endif
4651		5089
4652	#if EV_ASYNC_ENABLE	5090	#if EV_ASYNC_ENABLE
4653	void	5091	void
4654	ev_async_start (EV_P_ ev_async *w) EV_THROW	5092	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	5093	{
4656	if (expect_false (ev_is_active (w)))	5094	if (ecb_expect_false (ev_is_active (w)))
4657	return;	5095	return;
4658		5096
4659	w->sent = 0;	5097	w->sent = 0;
4660		5098
4661	evpipe_init (EV_A);	5099	evpipe_init (EV_A);
4662		5100
4663	EV_FREQUENT_CHECK;	5101	EV_FREQUENT_CHECK;
4664		5102
4665	ev_start (EV_A_ (W)w, ++asynccnt);	5103	ev_start (EV_A_ (W)w, ++asynccnt);
4666	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5104	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4667	asyncs [asynccnt - 1] = w;	5105	asyncs [asynccnt - 1] = w;
4668		5106
4669	EV_FREQUENT_CHECK;	5107	EV_FREQUENT_CHECK;
4670	}	5108	}
4671		5109
4672	void	5110	void
4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5111	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4674	{	5112	{
4675	clear_pending (EV_A_ (W)w);	5113	clear_pending (EV_A_ (W)w);
4676	if (expect_false (!ev_is_active (w)))	5114	if (ecb_expect_false (!ev_is_active (w)))
4677	return;	5115	return;
4678		5116
4679	EV_FREQUENT_CHECK;	5117	EV_FREQUENT_CHECK;
4680		5118
4681	{	5119	{
…		…
4689		5127
4690	EV_FREQUENT_CHECK;	5128	EV_FREQUENT_CHECK;
4691	}	5129	}
4692		5130
4693	void	5131	void
4694	ev_async_send (EV_P_ ev_async *w) EV_THROW	5132	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4695	{	5133	{
4696	w->sent = 1;	5134	w->sent = 1;
4697	evpipe_write (EV_A_ &async_pending);	5135	evpipe_write (EV_A_ &async_pending);
4698	}	5136	}
4699	#endif	5137	#endif
…		…
4736		5174
4737	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5175	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4738	}	5176	}
4739		5177
4740	void	5178	void
4741	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5179	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4742	{	5180	{
4743	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5181	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4744
4745	if (expect_false (!once))
4746	{
4747	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4748	return;
4749	}
4750		5182
4751	once->cb = cb;	5183	once->cb = cb;
4752	once->arg = arg;	5184	once->arg = arg;
4753		5185
4754	ev_init (&once->io, once_cb_io);	5186	ev_init (&once->io, once_cb_io);
…		…
4767	}	5199	}
4768		5200
4769	/*****************************************************************************/	5201	/*****************************************************************************/
4770		5202
4771	#if EV_WALK_ENABLE	5203	#if EV_WALK_ENABLE
4772	void ecb_cold	5204	ecb_cold
		5205	void
4773	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5206	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4774	{	5207	{
4775	int i, j;	5208	int i, j;
4776	ev_watcher_list *wl, *wn;	5209	ev_watcher_list *wl, *wn;
4777		5210
4778	if (types & (EV_IO | EV_EMBED))	5211	if (types & (EV_IO | EV_EMBED))

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