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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 1.505 by root, Wed Jul 10 14:25:35 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 "always" 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 larger than 32 bit, and maybe the unlikely floating 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)
		551	#define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e6)
		552	#define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e9)
481		553
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	554	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	555	/* ECB.H BEGIN */
484	/*	556	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	557	* libecb - http://software.schmorp.de/pkg/libecb
486	*	558	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	559	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	560	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	561	* All rights reserved.
490	*	562	*
491	* Redistribution and use in source and binary forms, with or without modifica-	563	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	564	* tion, are permitted provided that the following conditions are met:
…		…
523		595
524	#ifndef ECB_H	596	#ifndef ECB_H
525	#define ECB_H	597	#define ECB_H
526		598
527	/* 16 bits major, 16 bits minor */	599	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	600	#define ECB_VERSION 0x00010006
529		601
530	#ifdef _WIN32	602	#ifdef _WIN32
531	typedef signed char int8_t;	603	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	604	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	605	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	622	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	623	typedef int32_t intptr_t;
552	#endif	624	#endif
553	#else	625	#else
554	#include <inttypes.h>	626	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	627	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	628	#define ECB_PTRSIZE 8
557	#else	629	#else
558	#define ECB_PTRSIZE 4	630	#define ECB_PTRSIZE 4
559	#endif	631	#endif
560	#endif	632	#endif
561		633
		634	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		635	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		636
562	/* work around x32 idiocy by defining proper macros */	637	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	638	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	639	#if _ILP32
565	#define ECB_AMD64_X32 1	640	#define ECB_AMD64_X32 1
566	#else	641	#else
567	#define ECB_AMD64 1	642	#define ECB_AMD64 1
568	#endif	643	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	648	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	649	* or so.
575	* we try to detect these and simply assume they are not gcc - if they have	650	* 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.	651	* an issue with that they should have done it right in the first place.
577	*/	652	*/
578	#ifndef ECB_GCC_VERSION
579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	653	#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	654	#define ECB_GCC_VERSION(major,minor) 0
581	#else	655	#else
582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	656	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
583	#endif	657	#endif
		658
		659	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		660
		661	#if __clang__ && defined __has_builtin
		662	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		663	#else
		664	#define ECB_CLANG_BUILTIN(x) 0
		665	#endif
		666
		667	#if __clang__ && defined __has_extension
		668	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		669	#else
		670	#define ECB_CLANG_EXTENSION(x) 0
584	#endif	671	#endif
585		672
586	#define ECB_CPP (__cplusplus+0)	673	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	674	#define ECB_CPP11 (__cplusplus >= 201103L)
		675	#define ECB_CPP14 (__cplusplus >= 201402L)
		676	#define ECB_CPP17 (__cplusplus >= 201703L)
588		677
589	#if ECB_CPP	678	#if ECB_CPP
590	#define ECB_C 0	679	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	680	#define ECB_STDC_VERSION 0
592	#else	681	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	683	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	684	#endif
596		685
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	686	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	687	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		688	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		689
600	#if ECB_CPP	690	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	691	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	692	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	693	#define ECB_EXTERN_C_END }
…		…
618		708
619	#if ECB_NO_SMP	709	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	710	#define ECB_MEMORY_FENCE do { } while (0)
621	#endif	711	#endif
622		712
		713	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		714	#if __xlC__ && ECB_CPP
		715	#include <builtins.h>
		716	#endif
		717
		718	#if 1400 <= _MSC_VER
		719	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		720	#endif
		721
623	#ifndef ECB_MEMORY_FENCE	722	#ifndef ECB_MEMORY_FENCE
624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	723	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		724	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
625	#if __i386 || __i386__	725	#if __i386 || __i386__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	726	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	727	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	728	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	729	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	730	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	731	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	732	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	733	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	734	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		735	#elif defined __ARM_ARCH_2__ \
		736	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		737	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		738	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		739	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		740	|| defined __ARM_ARCH_5TEJ__
		741	/* 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__ \	742	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	743	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		744	|| defined __ARM_ARCH_6T2__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	745	#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__ \	746	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	747	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	749	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	751	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	753	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	754	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	755	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	756	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
671	#if ECB_GCC_VERSION(4,7)	779	#if ECB_GCC_VERSION(4,7)
672	/* see comment below (stdatomic.h) about the C11 memory model. */	780	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	781	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	782	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	783	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		784	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
676		785
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	786	#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.	787	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	788	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	789	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	790	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/	791	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
687		792
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	793	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	794	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	795	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	796	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
701	#elif defined _WIN32	806	#elif defined _WIN32
702	#include <WinNT.h>	807	#include <WinNT.h>
703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	808	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	809	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
705	#include <mbarrier.h>	810	#include <mbarrier.h>
706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	811	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	812	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	813	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		814	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
709	#elif __xlC__	815	#elif __xlC__
710	#define ECB_MEMORY_FENCE __sync ()	816	#define ECB_MEMORY_FENCE __sync ()
711	#endif	817	#endif
712	#endif	818	#endif
713		819
714	#ifndef ECB_MEMORY_FENCE	820	#ifndef ECB_MEMORY_FENCE
715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	821	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
716	/* we assume that these memory fences work on all variables/all memory accesses, */	822	/* we assume that these memory fences work on all variables/all memory accesses, */
717	/* not just C11 atomics and atomic accesses */	823	/* not just C11 atomics and atomic accesses */
718	#include <stdatomic.h>	824	#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)	825	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		826	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		827	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
728	#endif	828	#endif
729	#endif	829	#endif
730		830
731	#ifndef ECB_MEMORY_FENCE	831	#ifndef ECB_MEMORY_FENCE
732	#if !ECB_AVOID_PTHREADS	832	#if !ECB_AVOID_PTHREADS
…		…
752		852
753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	853	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	854	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	855	#endif
756		856
		857	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		858	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		859	#endif
		860
757	/*****************************************************************************/	861	/*****************************************************************************/
758		862
759	#if __cplusplus	863	#if ECB_CPP
760	#define ecb_inline static inline	864	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	865	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	866	#define ecb_inline static __inline__
763	#elif ECB_C99	867	#elif ECB_C99
764	#define ecb_inline static inline	868	#define ecb_inline static inline
…		…
778		882
779	#define ECB_CONCAT_(a, b) a ## b	883	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	884	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	885	#define ECB_STRINGIFY_(a) # a
782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	886	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		887	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
783		888
784	#define ecb_function_ ecb_inline	889	#define ecb_function_ ecb_inline
785		890
786	#if ECB_GCC_VERSION(3,1)	891	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	892	#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	893	#else
792	#define ecb_attribute(attrlist)	894	#define ecb_attribute(attrlist)
		895	#endif
793		896
		897	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		898	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		899	#else
794	/* possible C11 impl for integral types	900	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	901	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)) */	902	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
797		903
798	#define ecb_is_constant(expr) 0	904	#define ecb_is_constant(expr) 0
		905	#endif
		906
		907	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		908	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		909	#else
799	#define ecb_expect(expr,value) (expr)	910	#define ecb_expect(expr,value) (expr)
		911	#endif
		912
		913	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		914	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		915	#else
800	#define ecb_prefetch(addr,rw,locality)	916	#define ecb_prefetch(addr,rw,locality)
801	#endif	917	#endif
802		918
803	/* no emulation for ecb_decltype */	919	/* no emulation for ecb_decltype */
804	#if ECB_GCC_VERSION(4,5)	920	#if ECB_CPP11
		921	// older implementations might have problems with decltype(x)::type, work around it
		922	template<class T> struct ecb_decltype_t { typedef T type; };
805	#define ecb_decltype(x) __decltype(x)	923	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	924	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	925	#define ecb_decltype(x) __typeof__ (x)
808	#endif	926	#endif
809		927
810	#if _MSC_VER >= 1300	928	#if _MSC_VER >= 1300
811	#define ecb_deprecated __declspec(deprecated)	929	#define ecb_deprecated __declspec (deprecated)
812	#else	930	#else
813	#define ecb_deprecated ecb_attribute ((__deprecated__))	931	#define ecb_deprecated ecb_attribute ((__deprecated__))
814	#endif	932	#endif
815		933
		934	#if _MSC_VER >= 1500
		935	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		936	#elif ECB_GCC_VERSION(4,5)
		937	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		938	#else
		939	#define ecb_deprecated_message(msg) ecb_deprecated
		940	#endif
		941
		942	#if _MSC_VER >= 1400
		943	#define ecb_noinline __declspec (noinline)
		944	#else
816	#define ecb_noinline ecb_attribute ((__noinline__))	945	#define ecb_noinline ecb_attribute ((__noinline__))
		946	#endif
		947
817	#define ecb_unused ecb_attribute ((__unused__))	948	#define ecb_unused ecb_attribute ((__unused__))
818	#define ecb_const ecb_attribute ((__const__))	949	#define ecb_const ecb_attribute ((__const__))
819	#define ecb_pure ecb_attribute ((__pure__))	950	#define ecb_pure ecb_attribute ((__pure__))
820		951
821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	952	#if ECB_C11 || __IBMC_NORETURN
822	#if ECB_C11	953	/* 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	954	#define ecb_noreturn _Noreturn
		955	#elif ECB_CPP11
		956	#define ecb_noreturn [[noreturn]]
		957	#elif _MSC_VER >= 1200
		958	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		959	#define ecb_noreturn __declspec (noreturn)
824	#else	960	#else
825	#define ecb_noreturn ecb_attribute ((__noreturn__))	961	#define ecb_noreturn ecb_attribute ((__noreturn__))
826	#endif	962	#endif
827		963
828	#if ECB_GCC_VERSION(4,3)	964	#if ECB_GCC_VERSION(4,3)
…		…
843	/* for compatibility to the rest of the world */	979	/* for compatibility to the rest of the world */
844	#define ecb_likely(expr) ecb_expect_true (expr)	980	#define ecb_likely(expr) ecb_expect_true (expr)
845	#define ecb_unlikely(expr) ecb_expect_false (expr)	981	#define ecb_unlikely(expr) ecb_expect_false (expr)
846		982
847	/* count trailing zero bits and count # of one bits */	983	/* count trailing zero bits and count # of one bits */
848	#if ECB_GCC_VERSION(3,4)	984	#if ECB_GCC_VERSION(3,4) \
		985	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		986	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		987	&& ECB_CLANG_BUILTIN(__builtin_popcount))
849	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	988	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
850	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	989	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
851	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	990	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
852	#define ecb_ctz32(x) __builtin_ctz (x)	991	#define ecb_ctz32(x) __builtin_ctz (x)
853	#define ecb_ctz64(x) __builtin_ctzll (x)	992	#define ecb_ctz64(x) __builtin_ctzll (x)
854	#define ecb_popcount32(x) __builtin_popcount (x)	993	#define ecb_popcount32(x) __builtin_popcount (x)
855	/* no popcountll */	994	/* no popcountll */
856	#else	995	#else
857	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	996	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
858	ecb_function_ int	997	ecb_function_ ecb_const int
859	ecb_ctz32 (uint32_t x)	998	ecb_ctz32 (uint32_t x)
860	{	999	{
		1000	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1001	unsigned long r;
		1002	_BitScanForward (&r, x);
		1003	return (int)r;
		1004	#else
861	int r = 0;	1005	int r = 0;
862		1006
863	x &= ~x + 1; /* this isolates the lowest bit */	1007	x &= ~x + 1; /* this isolates the lowest bit */
864		1008
865	#if ECB_branchless_on_i386	1009	#if ECB_branchless_on_i386
…		…
875	if (x & 0xff00ff00) r += 8;	1019	if (x & 0xff00ff00) r += 8;
876	if (x & 0xffff0000) r += 16;	1020	if (x & 0xffff0000) r += 16;
877	#endif	1021	#endif
878		1022
879	return r;	1023	return r;
		1024	#endif
880	}	1025	}
881		1026
882	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1027	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
883	ecb_function_ int	1028	ecb_function_ ecb_const int
884	ecb_ctz64 (uint64_t x)	1029	ecb_ctz64 (uint64_t x)
885	{	1030	{
		1031	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1032	unsigned long r;
		1033	_BitScanForward64 (&r, x);
		1034	return (int)r;
		1035	#else
886	int shift = x & 0xffffffffU ? 0 : 32;	1036	int shift = x & 0xffffffff ? 0 : 32;
887	return ecb_ctz32 (x >> shift) + shift;	1037	return ecb_ctz32 (x >> shift) + shift;
		1038	#endif
888	}	1039	}
889		1040
890	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1041	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
891	ecb_function_ int	1042	ecb_function_ ecb_const int
892	ecb_popcount32 (uint32_t x)	1043	ecb_popcount32 (uint32_t x)
893	{	1044	{
894	x -= (x >> 1) & 0x55555555;	1045	x -= (x >> 1) & 0x55555555;
895	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1046	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
896	x = ((x >> 4) + x) & 0x0f0f0f0f;	1047	x = ((x >> 4) + x) & 0x0f0f0f0f;
897	x *= 0x01010101;	1048	x *= 0x01010101;
898		1049
899	return x >> 24;	1050	return x >> 24;
900	}	1051	}
901		1052
902	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1053	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
903	ecb_function_ int ecb_ld32 (uint32_t x)	1054	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
904	{	1055	{
		1056	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1057	unsigned long r;
		1058	_BitScanReverse (&r, x);
		1059	return (int)r;
		1060	#else
905	int r = 0;	1061	int r = 0;
906		1062
907	if (x >> 16) { x >>= 16; r += 16; }	1063	if (x >> 16) { x >>= 16; r += 16; }
908	if (x >> 8) { x >>= 8; r += 8; }	1064	if (x >> 8) { x >>= 8; r += 8; }
909	if (x >> 4) { x >>= 4; r += 4; }	1065	if (x >> 4) { x >>= 4; r += 4; }
910	if (x >> 2) { x >>= 2; r += 2; }	1066	if (x >> 2) { x >>= 2; r += 2; }
911	if (x >> 1) { r += 1; }	1067	if (x >> 1) { r += 1; }
912		1068
913	return r;	1069	return r;
		1070	#endif
914	}	1071	}
915		1072
916	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1073	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
917	ecb_function_ int ecb_ld64 (uint64_t x)	1074	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
918	{	1075	{
		1076	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1077	unsigned long r;
		1078	_BitScanReverse64 (&r, x);
		1079	return (int)r;
		1080	#else
919	int r = 0;	1081	int r = 0;
920		1082
921	if (x >> 32) { x >>= 32; r += 32; }	1083	if (x >> 32) { x >>= 32; r += 32; }
922		1084
923	return r + ecb_ld32 (x);	1085	return r + ecb_ld32 (x);
		1086	#endif
924	}	1087	}
925	#endif	1088	#endif
926		1089
927	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1090	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)); }	1091	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;	1092	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)); }	1093	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
931		1094
932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1095	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1096	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
934	{	1097	{
935	return ( (x * 0x0802U & 0x22110U)	1098	return ( (x * 0x0802U & 0x22110U)
936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1099	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
937	}	1100	}
938		1101
939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1102	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1103	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
941	{	1104	{
942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1105	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1106	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1107	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
945	x = ( x >> 8 ) | ( x << 8);	1108	x = ( x >> 8 ) | ( x << 8);
946		1109
947	return x;	1110	return x;
948	}	1111	}
949		1112
950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1113	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1114	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
952	{	1115	{
953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1116	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1117	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1118	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1119	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
959	return x;	1122	return x;
960	}	1123	}
961		1124
962	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1125	/* popcount64 is only available on 64 bit cpus as gcc builtin */
963	/* so for this version we are lazy */	1126	/* so for this version we are lazy */
964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1127	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
965	ecb_function_ int	1128	ecb_function_ ecb_const int
966	ecb_popcount64 (uint64_t x)	1129	ecb_popcount64 (uint64_t x)
967	{	1130	{
968	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1131	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
969	}	1132	}
970		1133
971	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1134	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;	1135	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;	1136	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;	1137	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;	1138	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;	1139	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;	1140	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;	1141	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
979		1142
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1143	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); }	1144	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); }	1145	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); }	1146	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); }	1147	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); }	1148	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); }	1149	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); }	1150	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
988		1151
989	#if ECB_GCC_VERSION(4,3)	1152	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1153	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1154	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1155	#else
990	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1156	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1157	#endif
991	#define ecb_bswap32(x) __builtin_bswap32 (x)	1158	#define ecb_bswap32(x) __builtin_bswap32 (x)
992	#define ecb_bswap64(x) __builtin_bswap64 (x)	1159	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1160	#elif _MSC_VER
		1161	#include <stdlib.h>
		1162	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1163	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1164	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
993	#else	1165	#else
994	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1166	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
995	ecb_function_ uint16_t	1167	ecb_function_ ecb_const uint16_t
996	ecb_bswap16 (uint16_t x)	1168	ecb_bswap16 (uint16_t x)
997	{	1169	{
998	return ecb_rotl16 (x, 8);	1170	return ecb_rotl16 (x, 8);
999	}	1171	}
1000		1172
1001	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1173	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1002	ecb_function_ uint32_t	1174	ecb_function_ ecb_const uint32_t
1003	ecb_bswap32 (uint32_t x)	1175	ecb_bswap32 (uint32_t x)
1004	{	1176	{
1005	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1177	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1006	}	1178	}
1007		1179
1008	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1180	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1009	ecb_function_ uint64_t	1181	ecb_function_ ecb_const uint64_t
1010	ecb_bswap64 (uint64_t x)	1182	ecb_bswap64 (uint64_t x)
1011	{	1183	{
1012	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1184	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1013	}	1185	}
1014	#endif	1186	#endif
1015		1187
1016	#if ECB_GCC_VERSION(4,5)	1188	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1017	#define ecb_unreachable() __builtin_unreachable ()	1189	#define ecb_unreachable() __builtin_unreachable ()
1018	#else	1190	#else
1019	/* this seems to work fine, but gcc always emits a warning for it :/ */	1191	/* this seems to work fine, but gcc always emits a warning for it :/ */
1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1192	ecb_inline ecb_noreturn void ecb_unreachable (void);
1021	ecb_inline void ecb_unreachable (void) { }	1193	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1022	#endif	1194	#endif
1023		1195
1024	/* try to tell the compiler that some condition is definitely true */	1196	/* try to tell the compiler that some condition is definitely true */
1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1197	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1026		1198
1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1199	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1028	ecb_inline unsigned char	1200	ecb_inline ecb_const uint32_t
1029	ecb_byteorder_helper (void)	1201	ecb_byteorder_helper (void)
1030	{	1202	{
1031	/* the union code still generates code under pressure in gcc, */	1203	/* the union code still generates code under pressure in gcc, */
1032	/* but less than using pointers, and always seems to */	1204	/* but less than using pointers, and always seems to */
1033	/* successfully return a constant. */	1205	/* successfully return a constant. */
1034	/* the reason why we have this horrible preprocessor mess */	1206	/* the reason why we have this horrible preprocessor mess */
1035	/* is to avoid it in all cases, at least on common architectures */	1207	/* is to avoid it in all cases, at least on common architectures */
1036	/* or when using a recent enough gcc version (>= 4.6) */	1208	/* 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__	1209	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1210	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1211	#define ECB_LITTLE_ENDIAN 1
1040	return 0x44;	1212	return 0x44332211;
1041	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1213	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1214	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1215	#define ECB_BIG_ENDIAN 1
1042	return 0x11;	1216	return 0x11223344;
1043	#else	1217	#else
1044	union	1218	union
1045	{	1219	{
		1220	uint8_t c[4];
1046	uint32_t i;	1221	uint32_t u;
1047	uint8_t c;
1048	} u = { 0x11223344 };	1222	} u = { 0x11, 0x22, 0x33, 0x44 };
1049	return u.c;	1223	return u.u;
1050	#endif	1224	#endif
1051	}	1225	}
1052		1226
1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1227	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1054	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1228	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;	1229	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1056	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1230	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1057		1231
1058	#if ECB_GCC_VERSION(3,0) || ECB_C99	1232	#if ECB_GCC_VERSION(3,0) || ECB_C99
1059	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1233	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1060	#else	1234	#else
1061	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1235	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1062	#endif	1236	#endif
1063		1237
1064	#if __cplusplus	1238	#if ECB_CPP
1065	template<typename T>	1239	template<typename T>
1066	static inline T ecb_div_rd (T val, T div)	1240	static inline T ecb_div_rd (T val, T div)
1067	{	1241	{
1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1242	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1069	}	1243	}
…		…
1086	}	1260	}
1087	#else	1261	#else
1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1262	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1089	#endif	1263	#endif
1090		1264
		1265	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1266	ecb_function_ ecb_const uint32_t
		1267	ecb_binary16_to_binary32 (uint32_t x)
		1268	{
		1269	unsigned int s = (x & 0x8000) << (31 - 15);
		1270	int e = (x >> 10) & 0x001f;
		1271	unsigned int m = x & 0x03ff;
		1272
		1273	if (ecb_expect_false (e == 31))
		1274	/* infinity or NaN */
		1275	e = 255 - (127 - 15);
		1276	else if (ecb_expect_false (!e))
		1277	{
		1278	if (ecb_expect_true (!m))
		1279	/* zero, handled by code below by forcing e to 0 */
		1280	e = 0 - (127 - 15);
		1281	else
		1282	{
		1283	/* subnormal, renormalise */
		1284	unsigned int s = 10 - ecb_ld32 (m);
		1285
		1286	m = (m << s) & 0x3ff; /* mask implicit bit */
		1287	e -= s - 1;
		1288	}
		1289	}
		1290
		1291	/* e and m now are normalised, or zero, (or inf or nan) */
		1292	e += 127 - 15;
		1293
		1294	return s | (e << 23) | (m << (23 - 10));
		1295	}
		1296
		1297	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1298	ecb_function_ ecb_const uint16_t
		1299	ecb_binary32_to_binary16 (uint32_t x)
		1300	{
		1301	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1302	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1303	unsigned int m = x & 0x007fffff;
		1304
		1305	x &= 0x7fffffff;
		1306
		1307	/* if it's within range of binary16 normals, use fast path */
		1308	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1309	{
		1310	/* mantissa round-to-even */
		1311	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1312
		1313	/* handle overflow */
		1314	if (ecb_expect_false (m >= 0x00800000))
		1315	{
		1316	m >>= 1;
		1317	e += 1;
		1318	}
		1319
		1320	return s | (e << 10) | (m >> (23 - 10));
		1321	}
		1322
		1323	/* handle large numbers and infinity */
		1324	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1325	return s | 0x7c00;
		1326
		1327	/* handle zero, subnormals and small numbers */
		1328	if (ecb_expect_true (x < 0x38800000))
		1329	{
		1330	/* zero */
		1331	if (ecb_expect_true (!x))
		1332	return s;
		1333
		1334	/* handle subnormals */
		1335
		1336	/* too small, will be zero */
		1337	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1338	return s;
		1339
		1340	m |= 0x00800000; /* make implicit bit explicit */
		1341
		1342	/* very tricky - we need to round to the nearest e (+10) bit value */
		1343	{
		1344	unsigned int bits = 14 - e;
		1345	unsigned int half = (1 << (bits - 1)) - 1;
		1346	unsigned int even = (m >> bits) & 1;
		1347
		1348	/* if this overflows, we will end up with a normalised number */
		1349	m = (m + half + even) >> bits;
		1350	}
		1351
		1352	return s | m;
		1353	}
		1354
		1355	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1356	m >>= 13;
		1357
		1358	return s | 0x7c00 | m | !m;
		1359	}
		1360
1091	/*******************************************************************************/	1361	/*******************************************************************************/
1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1362	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1093		1363
1094	/* basically, everything uses "ieee pure-endian" floating point numbers */	1364	/* basically, everything uses "ieee pure-endian" floating point numbers */
1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1365	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1096	#if 0 \	1366	#if 0 \
1097	|| __i386 || __i386__ \	1367	|| __i386 || __i386__ \
1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1368	|| ECB_GCC_AMD64 \
1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1369	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1100	|| defined __s390__ || defined __s390x__ \	1370	|| defined __s390__ || defined __s390x__ \
1101	|| defined __mips__ \	1371	|| defined __mips__ \
1102	|| defined __alpha__ \	1372	|| defined __alpha__ \
1103	|| defined __hppa__ \	1373	|| defined __hppa__ \
1104	|| defined __ia64__ \	1374	|| defined __ia64__ \
1105	|| defined __m68k__ \	1375	|| defined __m68k__ \
1106	|| defined __m88k__ \	1376	|| defined __m88k__ \
1107	|| defined __sh__ \	1377	|| defined __sh__ \
1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1378	|| 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__)) \	1379	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1110	|| defined __aarch64__	1380	|| defined __aarch64__
1111	#define ECB_STDFP 1	1381	#define ECB_STDFP 1
1112	#include <string.h> /* for memcpy */	1382	#include <string.h> /* for memcpy */
1113	#else	1383	#else
…		…
1129	#define ECB_NAN NAN	1399	#define ECB_NAN NAN
1130	#else	1400	#else
1131	#define ECB_NAN ECB_INFINITY	1401	#define ECB_NAN ECB_INFINITY
1132	#endif	1402	#endif
1133		1403
1134	/* converts an ieee half/binary16 to a float */	1404	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1405	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1136	ecb_function_ float	1406	#define ecb_frexpf(x,e) frexpf ((x), (e))
1137	ecb_binary16_to_float (uint16_t x)	1407	#else
1138	{	1408	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1139	int e = (x >> 10) & 0x1f;	1409	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1140	int m = x & 0x3ff;	1410	#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		1411
1151	/* convert a float to ieee single/binary32 */	1412	/* convert a float to ieee single/binary32 */
1152	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1413	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1153	ecb_function_ uint32_t	1414	ecb_function_ ecb_const uint32_t
1154	ecb_float_to_binary32 (float x)	1415	ecb_float_to_binary32 (float x)
1155	{	1416	{
1156	uint32_t r;	1417	uint32_t r;
1157		1418
1158	#if ECB_STDFP	1419	#if ECB_STDFP
…		…
1165	if (x == 0e0f ) return 0x00000000U;	1426	if (x == 0e0f ) return 0x00000000U;
1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1427	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1428	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1168	if (x != x ) return 0x7fbfffffU;	1429	if (x != x ) return 0x7fbfffffU;
1169		1430
1170	m = frexpf (x, &e) * 0x1000000U;	1431	m = ecb_frexpf (x, &e) * 0x1000000U;
1171		1432
1172	r = m & 0x80000000U;	1433	r = m & 0x80000000U;
1173		1434
1174	if (r)	1435	if (r)
1175	m = -m;	1436	m = -m;
…		…
1187		1448
1188	return r;	1449	return r;
1189	}	1450	}
1190		1451
1191	/* converts an ieee single/binary32 to a float */	1452	/* converts an ieee single/binary32 to a float */
1192	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1453	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1193	ecb_function_ float	1454	ecb_function_ ecb_const float
1194	ecb_binary32_to_float (uint32_t x)	1455	ecb_binary32_to_float (uint32_t x)
1195	{	1456	{
1196	float r;	1457	float r;
1197		1458
1198	#if ECB_STDFP	1459	#if ECB_STDFP
…		…
1208	x |= 0x800000U;	1469	x |= 0x800000U;
1209	else	1470	else
1210	e = 1;	1471	e = 1;
1211		1472
1212	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1473	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1474	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1214		1475
1215	r = neg ? -r : r;	1476	r = neg ? -r : r;
1216	#endif	1477	#endif
1217		1478
1218	return r;	1479	return r;
1219	}	1480	}
1220		1481
1221	/* convert a double to ieee double/binary64 */	1482	/* convert a double to ieee double/binary64 */
1222	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1483	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1223	ecb_function_ uint64_t	1484	ecb_function_ ecb_const uint64_t
1224	ecb_double_to_binary64 (double x)	1485	ecb_double_to_binary64 (double x)
1225	{	1486	{
1226	uint64_t r;	1487	uint64_t r;
1227		1488
1228	#if ECB_STDFP	1489	#if ECB_STDFP
…		…
1257		1518
1258	return r;	1519	return r;
1259	}	1520	}
1260		1521
1261	/* converts an ieee double/binary64 to a double */	1522	/* converts an ieee double/binary64 to a double */
1262	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1523	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1263	ecb_function_ double	1524	ecb_function_ ecb_const double
1264	ecb_binary64_to_double (uint64_t x)	1525	ecb_binary64_to_double (uint64_t x)
1265	{	1526	{
1266	double r;	1527	double r;
1267		1528
1268	#if ECB_STDFP	1529	#if ECB_STDFP
…		…
1286	#endif	1547	#endif
1287		1548
1288	return r;	1549	return r;
1289	}	1550	}
1290		1551
		1552	/* convert a float to ieee half/binary16 */
		1553	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1554	ecb_function_ ecb_const uint16_t
		1555	ecb_float_to_binary16 (float x)
		1556	{
		1557	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1558	}
		1559
		1560	/* convert an ieee half/binary16 to float */
		1561	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1562	ecb_function_ ecb_const float
		1563	ecb_binary16_to_float (uint16_t x)
		1564	{
		1565	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1566	}
		1567
1291	#endif	1568	#endif
1292		1569
1293	#endif	1570	#endif
1294		1571
1295	/* ECB.H END */	1572	/* ECB.H END */
1296		1573
1297	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1574	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1298	/* if your architecture doesn't need memory fences, e.g. because it is	1575	/* 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	1576	* 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	1577	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1301	* libev, in which cases the memory fences become nops.	1578	* libev, in which cases the memory fences become nops.
1302	* alternatively, you can remove this #error and link against libpthread,	1579	* alternatively, you can remove this #error and link against libpthread,
1303	* which will then provide the memory fences.	1580	* which will then provide the memory fences.
1304	*/	1581	*/
1305	# error "memory fences not defined for your architecture, please report"	1582	# error "memory fences not defined for your architecture, please report"
…		…
1309	# define ECB_MEMORY_FENCE do { } while (0)	1586	# define ECB_MEMORY_FENCE do { } while (0)
1310	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1587	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1311	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1588	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1312	#endif	1589	#endif
1313		1590
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	1591	#define inline_size ecb_inline
1319		1592
1320	#if EV_FEATURE_CODE	1593	#if EV_FEATURE_CODE
1321	# define inline_speed ecb_inline	1594	# define inline_speed ecb_inline
1322	#else	1595	#else
1323	# define inline_speed static noinline	1596	# define inline_speed ecb_noinline static
1324	#endif	1597	#endif
		1598
		1599	/*****************************************************************************/
		1600	/* raw syscall wrappers */
		1601
		1602	#if EV_NEED_SYSCALL
		1603
		1604	#include <sys/syscall.h>
		1605
		1606	/*
		1607	* define some syscall wrappers for common architectures
		1608	* this is mostly for nice looks during debugging, not performance.
		1609	* our syscalls return < 0, not == -1, on error. which is good
		1610	* enough for linux aio.
		1611	* TODO: arm is also common nowadays, maybe even mips and x86
		1612	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1613	*/
		1614	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1615	/* the costly errno access probably kills this for size optimisation */
		1616
		1617	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1618	({ \
		1619	long res; \
		1620	register unsigned long r6 __asm__ ("r9" ); \
		1621	register unsigned long r5 __asm__ ("r8" ); \
		1622	register unsigned long r4 __asm__ ("r10"); \
		1623	register unsigned long r3 __asm__ ("rdx"); \
		1624	register unsigned long r2 __asm__ ("rsi"); \
		1625	register unsigned long r1 __asm__ ("rdi"); \
		1626	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1627	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1628	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1629	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1630	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1631	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1632	__asm__ __volatile__ ( \
		1633	"syscall\n\t" \
		1634	: "=a" (res) \
		1635	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1636	: "cc", "r11", "cx", "memory"); \
		1637	errno = -res; \
		1638	res; \
		1639	})
		1640
		1641	#endif
		1642
		1643	#ifdef ev_syscall
		1644	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1645	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1646	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1647	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1648	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1649	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1650	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1651	#else
		1652	#define ev_syscall0(nr) syscall (nr)
		1653	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1654	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1655	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1656	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1657	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1658	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1659	#endif
		1660
		1661	#endif
		1662
		1663	/*****************************************************************************/
1325		1664
1326	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1665	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1327		1666
1328	#if EV_MINPRI == EV_MAXPRI	1667	#if EV_MINPRI == EV_MAXPRI
1329	# define ABSPRI(w) (((W)w), 0)	1668	# define ABSPRI(w) (((W)w), 0)
1330	#else	1669	#else
1331	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1670	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1332	#endif	1671	#endif
1333		1672
1334	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1673	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1335	#define EMPTY2(a,b) /* used to suppress some warnings */
1336		1674
1337	typedef ev_watcher *W;	1675	typedef ev_watcher *W;
1338	typedef ev_watcher_list *WL;	1676	typedef ev_watcher_list *WL;
1339	typedef ev_watcher_time *WT;	1677	typedef ev_watcher_time *WT;
1340		1678
…		…
1365	# include "ev_win32.c"	1703	# include "ev_win32.c"
1366	#endif	1704	#endif
1367		1705
1368	/*****************************************************************************/	1706	/*****************************************************************************/
1369		1707
		1708	#if EV_USE_LINUXAIO
		1709	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1710	#endif
		1711
1370	/* define a suitable floor function (only used by periodics atm) */	1712	/* define a suitable floor function (only used by periodics atm) */
1371		1713
1372	#if EV_USE_FLOOR	1714	#if EV_USE_FLOOR
1373	# include <math.h>	1715	# include <math.h>
1374	# define ev_floor(v) floor (v)	1716	# define ev_floor(v) floor (v)
1375	#else	1717	#else
1376		1718
1377	#include <float.h>	1719	#include <float.h>
1378		1720
1379	/* a floor() replacement function, should be independent of ev_tstamp type */	1721	/* a floor() replacement function, should be independent of ev_tstamp type */
		1722	ecb_noinline
1380	static ev_tstamp noinline	1723	static ev_tstamp
1381	ev_floor (ev_tstamp v)	1724	ev_floor (ev_tstamp v)
1382	{	1725	{
1383	/* the choice of shift factor is not terribly important */	1726	/* the choice of shift factor is not terribly important */
1384	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1727	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1385	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1386	#else	1729	#else
1387	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1730	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1388	#endif	1731	#endif
1389		1732
		1733	/* special treatment for negative arguments */
		1734	if (ecb_expect_false (v < 0.))
		1735	{
		1736	ev_tstamp f = -ev_floor (-v);
		1737
		1738	return f - (f == v ? 0 : 1);
		1739	}
		1740
1390	/* argument too large for an unsigned long? */	1741	/* argument too large for an unsigned long? then reduce it */
1391	if (expect_false (v >= shift))	1742	if (ecb_expect_false (v >= shift))
1392	{	1743	{
1393	ev_tstamp f;	1744	ev_tstamp f;
1394		1745
1395	if (v == v - 1.)	1746	if (v == v - 1.)
1396	return v; /* very large number */	1747	return v; /* very large numbers are assumed to be integer */
1397		1748
1398	f = shift * ev_floor (v * (1. / shift));	1749	f = shift * ev_floor (v * (1. / shift));
1399	return f + ev_floor (v - f);	1750	return f + ev_floor (v - f);
1400	}	1751	}
1401		1752
1402	/* special treatment for negative args? */
1403	if (expect_false (v < 0.))
1404	{
1405	ev_tstamp f = -ev_floor (-v);
1406
1407	return f - (f == v ? 0 : 1);
1408	}
1409
1410	/* fits into an unsigned long */	1753	/* fits into an unsigned long */
1411	return (unsigned long)v;	1754	return (unsigned long)v;
1412	}	1755	}
1413		1756
1414	#endif	1757	#endif
…		…
1417		1760
1418	#ifdef __linux	1761	#ifdef __linux
1419	# include <sys/utsname.h>	1762	# include <sys/utsname.h>
1420	#endif	1763	#endif
1421		1764
1422	static unsigned int noinline ecb_cold	1765	ecb_noinline ecb_cold
		1766	static unsigned int
1423	ev_linux_version (void)	1767	ev_linux_version (void)
1424	{	1768	{
1425	#ifdef __linux	1769	#ifdef __linux
1426	unsigned int v = 0;	1770	unsigned int v = 0;
1427	struct utsname buf;	1771	struct utsname buf;
…		…
1456	}	1800	}
1457		1801
1458	/*****************************************************************************/	1802	/*****************************************************************************/
1459		1803
1460	#if EV_AVOID_STDIO	1804	#if EV_AVOID_STDIO
1461	static void noinline ecb_cold	1805	ecb_noinline ecb_cold
		1806	static void
1462	ev_printerr (const char *msg)	1807	ev_printerr (const char *msg)
1463	{	1808	{
1464	write (STDERR_FILENO, msg, strlen (msg));	1809	write (STDERR_FILENO, msg, strlen (msg));
1465	}	1810	}
1466	#endif	1811	#endif
1467		1812
1468	static void (*syserr_cb)(const char *msg) EV_THROW;	1813	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1469		1814
1470	void ecb_cold	1815	ecb_cold
		1816	void
1471	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1817	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1472	{	1818	{
1473	syserr_cb = cb;	1819	syserr_cb = cb;
1474	}	1820	}
1475		1821
1476	static void noinline ecb_cold	1822	ecb_noinline ecb_cold
		1823	static void
1477	ev_syserr (const char *msg)	1824	ev_syserr (const char *msg)
1478	{	1825	{
1479	if (!msg)	1826	if (!msg)
1480	msg = "(libev) system error";	1827	msg = "(libev) system error";
1481		1828
…		…
1494	abort ();	1841	abort ();
1495	}	1842	}
1496	}	1843	}
1497		1844
1498	static void *	1845	static void *
1499	ev_realloc_emul (void *ptr, long size) EV_THROW	1846	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1500	{	1847	{
1501	/* some systems, notably openbsd and darwin, fail to properly	1848	/* some systems, notably openbsd and darwin, fail to properly
1502	* implement realloc (x, 0) (as required by both ansi c-89 and	1849	* implement realloc (x, 0) (as required by both ansi c-89 and
1503	* the single unix specification, so work around them here.	1850	* the single unix specification, so work around them here.
1504	* recently, also (at least) fedora and debian started breaking it,	1851	* recently, also (at least) fedora and debian started breaking it,
…		…
1510		1857
1511	free (ptr);	1858	free (ptr);
1512	return 0;	1859	return 0;
1513	}	1860	}
1514		1861
1515	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1862	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1516		1863
1517	void ecb_cold	1864	ecb_cold
		1865	void
1518	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1866	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1519	{	1867	{
1520	alloc = cb;	1868	alloc = cb;
1521	}	1869	}
1522		1870
1523	inline_speed void *	1871	inline_speed void *
…		…
1550	typedef struct	1898	typedef struct
1551	{	1899	{
1552	WL head;	1900	WL head;
1553	unsigned char events; /* the events watched for */	1901	unsigned char events; /* the events watched for */
1554	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1902	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 */	1903	unsigned char emask; /* some backends store the actual kernel mask in here */
1556	unsigned char unused;	1904	unsigned char eflags; /* flags field for use by backends */
1557	#if EV_USE_EPOLL	1905	#if EV_USE_EPOLL
1558	unsigned int egen; /* generation counter to counter epoll bugs */	1906	unsigned int egen; /* generation counter to counter epoll bugs */
1559	#endif	1907	#endif
1560	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1908	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1561	SOCKET handle;	1909	SOCKET handle;
…		…
1625	static int ev_default_loop_ptr;	1973	static int ev_default_loop_ptr;
1626		1974
1627	#endif	1975	#endif
1628		1976
1629	#if EV_FEATURE_API	1977	#if EV_FEATURE_API
1630	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1978	# 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)	1979	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1632	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1980	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1633	#else	1981	#else
1634	# define EV_RELEASE_CB (void)0	1982	# define EV_RELEASE_CB (void)0
1635	# define EV_ACQUIRE_CB (void)0	1983	# define EV_ACQUIRE_CB (void)0
1636	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1984	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1640		1988
1641	/*****************************************************************************/	1989	/*****************************************************************************/
1642		1990
1643	#ifndef EV_HAVE_EV_TIME	1991	#ifndef EV_HAVE_EV_TIME
1644	ev_tstamp	1992	ev_tstamp
1645	ev_time (void) EV_THROW	1993	ev_time (void) EV_NOEXCEPT
1646	{	1994	{
1647	#if EV_USE_REALTIME	1995	#if EV_USE_REALTIME
1648	if (expect_true (have_realtime))	1996	if (ecb_expect_true (have_realtime))
1649	{	1997	{
1650	struct timespec ts;	1998	struct timespec ts;
1651	clock_gettime (CLOCK_REALTIME, &ts);	1999	clock_gettime (CLOCK_REALTIME, &ts);
1652	return ts.tv_sec + ts.tv_nsec * 1e-9;	2000	return EV_TS_GET (ts);
1653	}	2001	}
1654	#endif	2002	#endif
1655		2003
1656	struct timeval tv;	2004	struct timeval tv;
1657	gettimeofday (&tv, 0);	2005	gettimeofday (&tv, 0);
1658	return tv.tv_sec + tv.tv_usec * 1e-6;	2006	return EV_TV_GET (tv);
1659	}	2007	}
1660	#endif	2008	#endif
1661		2009
1662	inline_size ev_tstamp	2010	inline_size ev_tstamp
1663	get_clock (void)	2011	get_clock (void)
1664	{	2012	{
1665	#if EV_USE_MONOTONIC	2013	#if EV_USE_MONOTONIC
1666	if (expect_true (have_monotonic))	2014	if (ecb_expect_true (have_monotonic))
1667	{	2015	{
1668	struct timespec ts;	2016	struct timespec ts;
1669	clock_gettime (CLOCK_MONOTONIC, &ts);	2017	clock_gettime (CLOCK_MONOTONIC, &ts);
1670	return ts.tv_sec + ts.tv_nsec * 1e-9;	2018	return EV_TS_GET (ts);
1671	}	2019	}
1672	#endif	2020	#endif
1673		2021
1674	return ev_time ();	2022	return ev_time ();
1675	}	2023	}
1676		2024
1677	#if EV_MULTIPLICITY	2025	#if EV_MULTIPLICITY
1678	ev_tstamp	2026	ev_tstamp
1679	ev_now (EV_P) EV_THROW	2027	ev_now (EV_P) EV_NOEXCEPT
1680	{	2028	{
1681	return ev_rt_now;	2029	return ev_rt_now;
1682	}	2030	}
1683	#endif	2031	#endif
1684		2032
1685	void	2033	void
1686	ev_sleep (ev_tstamp delay) EV_THROW	2034	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1687	{	2035	{
1688	if (delay > 0.)	2036	if (delay > 0.)
1689	{	2037	{
1690	#if EV_USE_NANOSLEEP	2038	#if EV_USE_NANOSLEEP
1691	struct timespec ts;	2039	struct timespec ts;
1692		2040
1693	EV_TS_SET (ts, delay);	2041	EV_TS_SET (ts, delay);
1694	nanosleep (&ts, 0);	2042	nanosleep (&ts, 0);
1695	#elif defined _WIN32	2043	#elif defined _WIN32
		2044	/* maybe this should round up, as ms is very low resolution */
		2045	/* compared to select (µs) or nanosleep (ns) */
1696	Sleep ((unsigned long)(delay * 1e3));	2046	Sleep ((unsigned long)(delay * 1e3));
1697	#else	2047	#else
1698	struct timeval tv;	2048	struct timeval tv;
1699		2049
1700	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2050	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1731	}	2081	}
1732		2082
1733	return ncur;	2083	return ncur;
1734	}	2084	}
1735		2085
1736	static void * noinline ecb_cold	2086	ecb_noinline ecb_cold
		2087	static void *
1737	array_realloc (int elem, void *base, int *cur, int cnt)	2088	array_realloc (int elem, void *base, int *cur, int cnt)
1738	{	2089	{
1739	*cur = array_nextsize (elem, *cur, cnt);	2090	*cur = array_nextsize (elem, *cur, cnt);
1740	return ev_realloc (base, elem * *cur);	2091	return ev_realloc (base, elem * *cur);
1741	}	2092	}
1742		2093
		2094	#define array_needsize_noinit(base,offset,count)
		2095
1743	#define array_init_zero(base,count) \	2096	#define array_needsize_zerofill(base,offset,count) \
1744	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2097	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1745		2098
1746	#define array_needsize(type,base,cur,cnt,init) \	2099	#define array_needsize(type,base,cur,cnt,init) \
1747	if (expect_false ((cnt) > (cur))) \	2100	if (ecb_expect_false ((cnt) > (cur))) \
1748	{ \	2101	{ \
1749	int ecb_unused ocur_ = (cur); \	2102	ecb_unused int ocur_ = (cur); \
1750	(base) = (type *)array_realloc \	2103	(base) = (type *)array_realloc \
1751	(sizeof (type), (base), &(cur), (cnt)); \	2104	(sizeof (type), (base), &(cur), (cnt)); \
1752	init ((base) + (ocur_), (cur) - ocur_); \	2105	init ((base), ocur_, ((cur) - ocur_)); \
1753	}	2106	}
1754		2107
1755	#if 0	2108	#if 0
1756	#define array_slim(type,stem) \	2109	#define array_slim(type,stem) \
1757	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2110	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	2119	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1767		2120
1768	/*****************************************************************************/	2121	/*****************************************************************************/
1769		2122
1770	/* dummy callback for pending events */	2123	/* dummy callback for pending events */
1771	static void noinline	2124	ecb_noinline
		2125	static void
1772	pendingcb (EV_P_ ev_prepare *w, int revents)	2126	pendingcb (EV_P_ ev_prepare *w, int revents)
1773	{	2127	{
1774	}	2128	}
1775		2129
1776	void noinline	2130	ecb_noinline
		2131	void
1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2132	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1778	{	2133	{
1779	W w_ = (W)w;	2134	W w_ = (W)w;
1780	int pri = ABSPRI (w_);	2135	int pri = ABSPRI (w_);
1781		2136
1782	if (expect_false (w_->pending))	2137	if (ecb_expect_false (w_->pending))
1783	pendings [pri][w_->pending - 1].events |= revents;	2138	pendings [pri][w_->pending - 1].events |= revents;
1784	else	2139	else
1785	{	2140	{
1786	w_->pending = ++pendingcnt [pri];	2141	w_->pending = ++pendingcnt [pri];
1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2142	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1788	pendings [pri][w_->pending - 1].w = w_;	2143	pendings [pri][w_->pending - 1].w = w_;
1789	pendings [pri][w_->pending - 1].events = revents;	2144	pendings [pri][w_->pending - 1].events = revents;
1790	}	2145	}
1791		2146
1792	pendingpri = NUMPRI - 1;	2147	pendingpri = NUMPRI - 1;
1793	}	2148	}
1794		2149
1795	inline_speed void	2150	inline_speed void
1796	feed_reverse (EV_P_ W w)	2151	feed_reverse (EV_P_ W w)
1797	{	2152	{
1798	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2153	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1799	rfeeds [rfeedcnt++] = w;	2154	rfeeds [rfeedcnt++] = w;
1800	}	2155	}
1801		2156
1802	inline_size void	2157	inline_size void
1803	feed_reverse_done (EV_P_ int revents)	2158	feed_reverse_done (EV_P_ int revents)
…		…
1838	inline_speed void	2193	inline_speed void
1839	fd_event (EV_P_ int fd, int revents)	2194	fd_event (EV_P_ int fd, int revents)
1840	{	2195	{
1841	ANFD *anfd = anfds + fd;	2196	ANFD *anfd = anfds + fd;
1842		2197
1843	if (expect_true (!anfd->reify))	2198	if (ecb_expect_true (!anfd->reify))
1844	fd_event_nocheck (EV_A_ fd, revents);	2199	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2200	}
1846		2201
1847	void	2202	void
1848	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2203	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1849	{	2204	{
1850	if (fd >= 0 && fd < anfdmax)	2205	if (fd >= 0 && fd < anfdmax)
1851	fd_event_nocheck (EV_A_ fd, revents);	2206	fd_event_nocheck (EV_A_ fd, revents);
1852	}	2207	}
1853		2208
…		…
1890	ev_io *w;	2245	ev_io *w;
1891		2246
1892	unsigned char o_events = anfd->events;	2247	unsigned char o_events = anfd->events;
1893	unsigned char o_reify = anfd->reify;	2248	unsigned char o_reify = anfd->reify;
1894		2249
1895	anfd->reify = 0;	2250	anfd->reify = 0;
1896		2251
1897	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2252	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1898	{	2253	{
1899	anfd->events = 0;	2254	anfd->events = 0;
1900		2255
1901	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2256	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1902	anfd->events |= (unsigned char)w->events;	2257	anfd->events |= (unsigned char)w->events;
…		…
1911		2266
1912	fdchangecnt = 0;	2267	fdchangecnt = 0;
1913	}	2268	}
1914		2269
1915	/* something about the given fd changed */	2270	/* something about the given fd changed */
1916	inline_size void	2271	inline_size
		2272	void
1917	fd_change (EV_P_ int fd, int flags)	2273	fd_change (EV_P_ int fd, int flags)
1918	{	2274	{
1919	unsigned char reify = anfds [fd].reify;	2275	unsigned char reify = anfds [fd].reify;
1920	anfds [fd].reify |= flags;	2276	anfds [fd].reify |= flags;
1921		2277
1922	if (expect_true (!reify))	2278	if (ecb_expect_true (!reify))
1923	{	2279	{
1924	++fdchangecnt;	2280	++fdchangecnt;
1925	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2281	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1926	fdchanges [fdchangecnt - 1] = fd;	2282	fdchanges [fdchangecnt - 1] = fd;
1927	}	2283	}
1928	}	2284	}
1929		2285
1930	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2286	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1931	inline_speed void ecb_cold	2287	inline_speed ecb_cold void
1932	fd_kill (EV_P_ int fd)	2288	fd_kill (EV_P_ int fd)
1933	{	2289	{
1934	ev_io *w;	2290	ev_io *w;
1935		2291
1936	while ((w = (ev_io *)anfds [fd].head))	2292	while ((w = (ev_io *)anfds [fd].head))
…		…
1939	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2295	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1940	}	2296	}
1941	}	2297	}
1942		2298
1943	/* check whether the given fd is actually valid, for error recovery */	2299	/* check whether the given fd is actually valid, for error recovery */
1944	inline_size int ecb_cold	2300	inline_size ecb_cold int
1945	fd_valid (int fd)	2301	fd_valid (int fd)
1946	{	2302	{
1947	#ifdef _WIN32	2303	#ifdef _WIN32
1948	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2304	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1949	#else	2305	#else
1950	return fcntl (fd, F_GETFD) != -1;	2306	return fcntl (fd, F_GETFD) != -1;
1951	#endif	2307	#endif
1952	}	2308	}
1953		2309
1954	/* called on EBADF to verify fds */	2310	/* called on EBADF to verify fds */
1955	static void noinline ecb_cold	2311	ecb_noinline ecb_cold
		2312	static void
1956	fd_ebadf (EV_P)	2313	fd_ebadf (EV_P)
1957	{	2314	{
1958	int fd;	2315	int fd;
1959		2316
1960	for (fd = 0; fd < anfdmax; ++fd)	2317	for (fd = 0; fd < anfdmax; ++fd)
…		…
1962	if (!fd_valid (fd) && errno == EBADF)	2319	if (!fd_valid (fd) && errno == EBADF)
1963	fd_kill (EV_A_ fd);	2320	fd_kill (EV_A_ fd);
1964	}	2321	}
1965		2322
1966	/* called on ENOMEM in select/poll to kill some fds and retry */	2323	/* called on ENOMEM in select/poll to kill some fds and retry */
1967	static void noinline ecb_cold	2324	ecb_noinline ecb_cold
		2325	static void
1968	fd_enomem (EV_P)	2326	fd_enomem (EV_P)
1969	{	2327	{
1970	int fd;	2328	int fd;
1971		2329
1972	for (fd = anfdmax; fd--; )	2330	for (fd = anfdmax; fd--; )
…		…
1976	break;	2334	break;
1977	}	2335	}
1978	}	2336	}
1979		2337
1980	/* usually called after fork if backend needs to re-arm all fds from scratch */	2338	/* usually called after fork if backend needs to re-arm all fds from scratch */
1981	static void noinline	2339	ecb_noinline
		2340	static void
1982	fd_rearm_all (EV_P)	2341	fd_rearm_all (EV_P)
1983	{	2342	{
1984	int fd;	2343	int fd;
1985		2344
1986	for (fd = 0; fd < anfdmax; ++fd)	2345	for (fd = 0; fd < anfdmax; ++fd)
…		…
2039	ev_tstamp minat;	2398	ev_tstamp minat;
2040	ANHE *minpos;	2399	ANHE *minpos;
2041	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2400	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2042		2401
2043	/* find minimum child */	2402	/* find minimum child */
2044	if (expect_true (pos + DHEAP - 1 < E))	2403	if (ecb_expect_true (pos + DHEAP - 1 < E))
2045	{	2404	{
2046	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2405	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2047	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2406	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));	2407	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));	2408	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2167		2526
2168	/*****************************************************************************/	2527	/*****************************************************************************/
2169		2528
2170	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2529	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2171		2530
2172	static void noinline ecb_cold	2531	ecb_noinline ecb_cold
		2532	static void
2173	evpipe_init (EV_P)	2533	evpipe_init (EV_P)
2174	{	2534	{
2175	if (!ev_is_active (&pipe_w))	2535	if (!ev_is_active (&pipe_w))
2176	{	2536	{
2177	int fds [2];	2537	int fds [2];
…		…
2217	inline_speed void	2577	inline_speed void
2218	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2578	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2219	{	2579	{
2220	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2580	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2221		2581
2222	if (expect_true (*flag))	2582	if (ecb_expect_true (*flag))
2223	return;	2583	return;
2224		2584
2225	*flag = 1;	2585	*flag = 1;
2226	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2586	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2227		2587
…		…
2248	#endif	2608	#endif
2249	{	2609	{
2250	#ifdef _WIN32	2610	#ifdef _WIN32
2251	WSABUF buf;	2611	WSABUF buf;
2252	DWORD sent;	2612	DWORD sent;
2253	buf.buf = &buf;	2613	buf.buf = (char *)&buf;
2254	buf.len = 1;	2614	buf.len = 1;
2255	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2615	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2256	#else	2616	#else
2257	write (evpipe [1], &(evpipe [1]), 1);	2617	write (evpipe [1], &(evpipe [1]), 1);
2258	#endif	2618	#endif
…		…
2304	sig_pending = 0;	2664	sig_pending = 0;
2305		2665
2306	ECB_MEMORY_FENCE;	2666	ECB_MEMORY_FENCE;
2307		2667
2308	for (i = EV_NSIG - 1; i--; )	2668	for (i = EV_NSIG - 1; i--; )
2309	if (expect_false (signals [i].pending))	2669	if (ecb_expect_false (signals [i].pending))
2310	ev_feed_signal_event (EV_A_ i + 1);	2670	ev_feed_signal_event (EV_A_ i + 1);
2311	}	2671	}
2312	#endif	2672	#endif
2313		2673
2314	#if EV_ASYNC_ENABLE	2674	#if EV_ASYNC_ENABLE
…		…
2330	}	2690	}
2331		2691
2332	/*****************************************************************************/	2692	/*****************************************************************************/
2333		2693
2334	void	2694	void
2335	ev_feed_signal (int signum) EV_THROW	2695	ev_feed_signal (int signum) EV_NOEXCEPT
2336	{	2696	{
2337	#if EV_MULTIPLICITY	2697	#if EV_MULTIPLICITY
2338	EV_P;	2698	EV_P;
2339	ECB_MEMORY_FENCE_ACQUIRE;	2699	ECB_MEMORY_FENCE_ACQUIRE;
2340	EV_A = signals [signum - 1].loop;	2700	EV_A = signals [signum - 1].loop;
…		…
2355	#endif	2715	#endif
2356		2716
2357	ev_feed_signal (signum);	2717	ev_feed_signal (signum);
2358	}	2718	}
2359		2719
2360	void noinline	2720	ecb_noinline
		2721	void
2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2722	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2362	{	2723	{
2363	WL w;	2724	WL w;
2364		2725
2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2726	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2366	return;	2727	return;
2367		2728
2368	--signum;	2729	--signum;
2369		2730
2370	#if EV_MULTIPLICITY	2731	#if EV_MULTIPLICITY
2371	/* it is permissible to try to feed a signal to the wrong loop */	2732	/* 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 */	2733	/* or, likely more useful, feeding a signal nobody is waiting for */
2373		2734
2374	if (expect_false (signals [signum].loop != EV_A))	2735	if (ecb_expect_false (signals [signum].loop != EV_A))
2375	return;	2736	return;
2376	#endif	2737	#endif
2377		2738
2378	signals [signum].pending = 0;	2739	signals [signum].pending = 0;
2379	ECB_MEMORY_FENCE_RELEASE;	2740	ECB_MEMORY_FENCE_RELEASE;
…		…
2475	# include "ev_kqueue.c"	2836	# include "ev_kqueue.c"
2476	#endif	2837	#endif
2477	#if EV_USE_EPOLL	2838	#if EV_USE_EPOLL
2478	# include "ev_epoll.c"	2839	# include "ev_epoll.c"
2479	#endif	2840	#endif
		2841	#if EV_USE_LINUXAIO
		2842	# include "ev_linuxaio.c"
		2843	#endif
		2844	#if EV_USE_IOURING
		2845	# include "ev_iouring.c"
		2846	#endif
2480	#if EV_USE_POLL	2847	#if EV_USE_POLL
2481	# include "ev_poll.c"	2848	# include "ev_poll.c"
2482	#endif	2849	#endif
2483	#if EV_USE_SELECT	2850	#if EV_USE_SELECT
2484	# include "ev_select.c"	2851	# include "ev_select.c"
2485	#endif	2852	#endif
2486		2853
2487	int ecb_cold	2854	ecb_cold int
2488	ev_version_major (void) EV_THROW	2855	ev_version_major (void) EV_NOEXCEPT
2489	{	2856	{
2490	return EV_VERSION_MAJOR;	2857	return EV_VERSION_MAJOR;
2491	}	2858	}
2492		2859
2493	int ecb_cold	2860	ecb_cold int
2494	ev_version_minor (void) EV_THROW	2861	ev_version_minor (void) EV_NOEXCEPT
2495	{	2862	{
2496	return EV_VERSION_MINOR;	2863	return EV_VERSION_MINOR;
2497	}	2864	}
2498		2865
2499	/* return true if we are running with elevated privileges and should ignore env variables */	2866	/* return true if we are running with elevated privileges and should ignore env variables */
2500	int inline_size ecb_cold	2867	inline_size ecb_cold int
2501	enable_secure (void)	2868	enable_secure (void)
2502	{	2869	{
2503	#ifdef _WIN32	2870	#ifdef _WIN32
2504	return 0;	2871	return 0;
2505	#else	2872	#else
2506	return getuid () != geteuid ()	2873	return getuid () != geteuid ()
2507	|| getgid () != getegid ();	2874	|| getgid () != getegid ();
2508	#endif	2875	#endif
2509	}	2876	}
2510		2877
2511	unsigned int ecb_cold	2878	ecb_cold
		2879	unsigned int
2512	ev_supported_backends (void) EV_THROW	2880	ev_supported_backends (void) EV_NOEXCEPT
2513	{	2881	{
2514	unsigned int flags = 0;	2882	unsigned int flags = 0;
2515		2883
2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2884	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2885	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2518	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2886	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2887	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2888	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2519	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2889	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2520	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2890	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2521		2891
2522	return flags;	2892	return flags;
2523	}	2893	}
2524		2894
2525	unsigned int ecb_cold	2895	ecb_cold
		2896	unsigned int
2526	ev_recommended_backends (void) EV_THROW	2897	ev_recommended_backends (void) EV_NOEXCEPT
2527	{	2898	{
2528	unsigned int flags = ev_supported_backends ();	2899	unsigned int flags = ev_supported_backends ();
2529		2900
2530	#ifndef __NetBSD__	2901	#ifndef __NetBSD__
2531	/* kqueue is borked on everything but netbsd apparently */	2902	/* kqueue is borked on everything but netbsd apparently */
…		…
2539	#endif	2910	#endif
2540	#ifdef __FreeBSD__	2911	#ifdef __FreeBSD__
2541	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2912	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2542	#endif	2913	#endif
2543		2914
		2915	/* TODO: linuxaio is very experimental */
		2916	#if !EV_RECOMMEND_LINUXAIO
		2917	flags &= ~EVBACKEND_LINUXAIO;
		2918	#endif
		2919	/* TODO: linuxaio is super experimental */
		2920	#if !EV_RECOMMEND_IOURING
		2921	flags &= ~EVBACKEND_IOURING;
		2922	#endif
		2923
2544	return flags;	2924	return flags;
2545	}	2925	}
2546		2926
2547	unsigned int ecb_cold	2927	ecb_cold
		2928	unsigned int
2548	ev_embeddable_backends (void) EV_THROW	2929	ev_embeddable_backends (void) EV_NOEXCEPT
2549	{	2930	{
2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2931	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2551		2932
2552	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2933	/* 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 */	2934	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2554	flags &= ~EVBACKEND_EPOLL;	2935	flags &= ~EVBACKEND_EPOLL;
2555		2936
		2937	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2938
		2939	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2940	* because our backend_fd is the epoll fd we need as fallback.
		2941	* if the kernel ever is fixed, this might change...
		2942	*/
		2943
2556	return flags;	2944	return flags;
2557	}	2945	}
2558		2946
2559	unsigned int	2947	unsigned int
2560	ev_backend (EV_P) EV_THROW	2948	ev_backend (EV_P) EV_NOEXCEPT
2561	{	2949	{
2562	return backend;	2950	return backend;
2563	}	2951	}
2564		2952
2565	#if EV_FEATURE_API	2953	#if EV_FEATURE_API
2566	unsigned int	2954	unsigned int
2567	ev_iteration (EV_P) EV_THROW	2955	ev_iteration (EV_P) EV_NOEXCEPT
2568	{	2956	{
2569	return loop_count;	2957	return loop_count;
2570	}	2958	}
2571		2959
2572	unsigned int	2960	unsigned int
2573	ev_depth (EV_P) EV_THROW	2961	ev_depth (EV_P) EV_NOEXCEPT
2574	{	2962	{
2575	return loop_depth;	2963	return loop_depth;
2576	}	2964	}
2577		2965
2578	void	2966	void
2579	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2967	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2580	{	2968	{
2581	io_blocktime = interval;	2969	io_blocktime = interval;
2582	}	2970	}
2583		2971
2584	void	2972	void
2585	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2973	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2586	{	2974	{
2587	timeout_blocktime = interval;	2975	timeout_blocktime = interval;
2588	}	2976	}
2589		2977
2590	void	2978	void
2591	ev_set_userdata (EV_P_ void *data) EV_THROW	2979	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2592	{	2980	{
2593	userdata = data;	2981	userdata = data;
2594	}	2982	}
2595		2983
2596	void *	2984	void *
2597	ev_userdata (EV_P) EV_THROW	2985	ev_userdata (EV_P) EV_NOEXCEPT
2598	{	2986	{
2599	return userdata;	2987	return userdata;
2600	}	2988	}
2601		2989
2602	void	2990	void
2603	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2991	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2604	{	2992	{
2605	invoke_cb = invoke_pending_cb;	2993	invoke_cb = invoke_pending_cb;
2606	}	2994	}
2607		2995
2608	void	2996	void
2609	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2997	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2610	{	2998	{
2611	release_cb = release;	2999	release_cb = release;
2612	acquire_cb = acquire;	3000	acquire_cb = acquire;
2613	}	3001	}
2614	#endif	3002	#endif
2615		3003
2616	/* initialise a loop structure, must be zero-initialised */	3004	/* initialise a loop structure, must be zero-initialised */
2617	static void noinline ecb_cold	3005	ecb_noinline ecb_cold
		3006	static void
2618	loop_init (EV_P_ unsigned int flags) EV_THROW	3007	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2619	{	3008	{
2620	if (!backend)	3009	if (!backend)
2621	{	3010	{
2622	origflags = flags;	3011	origflags = flags;
2623		3012
…		…
2681		3070
2682	if (!(flags & EVBACKEND_MASK))	3071	if (!(flags & EVBACKEND_MASK))
2683	flags |= ev_recommended_backends ();	3072	flags |= ev_recommended_backends ();
2684		3073
2685	#if EV_USE_IOCP	3074	#if EV_USE_IOCP
2686	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3075	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2687	#endif	3076	#endif
2688	#if EV_USE_PORT	3077	#if EV_USE_PORT
2689	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3078	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2690	#endif	3079	#endif
2691	#if EV_USE_KQUEUE	3080	#if EV_USE_KQUEUE
2692	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3081	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3082	#endif
		3083	#if EV_USE_IOURING
		3084	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3085	#endif
		3086	#if EV_USE_LINUXAIO
		3087	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2693	#endif	3088	#endif
2694	#if EV_USE_EPOLL	3089	#if EV_USE_EPOLL
2695	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3090	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2696	#endif	3091	#endif
2697	#if EV_USE_POLL	3092	#if EV_USE_POLL
2698	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3093	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2699	#endif	3094	#endif
2700	#if EV_USE_SELECT	3095	#if EV_USE_SELECT
2701	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3096	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2702	#endif	3097	#endif
2703		3098
2704	ev_prepare_init (&pending_w, pendingcb);	3099	ev_prepare_init (&pending_w, pendingcb);
2705		3100
2706	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3101	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2709	#endif	3104	#endif
2710	}	3105	}
2711	}	3106	}
2712		3107
2713	/* free up a loop structure */	3108	/* free up a loop structure */
2714	void ecb_cold	3109	ecb_cold
		3110	void
2715	ev_loop_destroy (EV_P)	3111	ev_loop_destroy (EV_P)
2716	{	3112	{
2717	int i;	3113	int i;
2718		3114
2719	#if EV_MULTIPLICITY	3115	#if EV_MULTIPLICITY
…		…
2722	return;	3118	return;
2723	#endif	3119	#endif
2724		3120
2725	#if EV_CLEANUP_ENABLE	3121	#if EV_CLEANUP_ENABLE
2726	/* queue cleanup watchers (and execute them) */	3122	/* queue cleanup watchers (and execute them) */
2727	if (expect_false (cleanupcnt))	3123	if (ecb_expect_false (cleanupcnt))
2728	{	3124	{
2729	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3125	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2730	EV_INVOKE_PENDING;	3126	EV_INVOKE_PENDING;
2731	}	3127	}
2732	#endif	3128	#endif
…		…
2760		3156
2761	if (backend_fd >= 0)	3157	if (backend_fd >= 0)
2762	close (backend_fd);	3158	close (backend_fd);
2763		3159
2764	#if EV_USE_IOCP	3160	#if EV_USE_IOCP
2765	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3161	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2766	#endif	3162	#endif
2767	#if EV_USE_PORT	3163	#if EV_USE_PORT
2768	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3164	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2769	#endif	3165	#endif
2770	#if EV_USE_KQUEUE	3166	#if EV_USE_KQUEUE
2771	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3167	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3168	#endif
		3169	#if EV_USE_IOURING
		3170	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3171	#endif
		3172	#if EV_USE_LINUXAIO
		3173	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2772	#endif	3174	#endif
2773	#if EV_USE_EPOLL	3175	#if EV_USE_EPOLL
2774	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3176	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2775	#endif	3177	#endif
2776	#if EV_USE_POLL	3178	#if EV_USE_POLL
2777	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3179	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2778	#endif	3180	#endif
2779	#if EV_USE_SELECT	3181	#if EV_USE_SELECT
2780	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3182	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2781	#endif	3183	#endif
2782		3184
2783	for (i = NUMPRI; i--; )	3185	for (i = NUMPRI; i--; )
2784	{	3186	{
2785	array_free (pending, [i]);	3187	array_free (pending, [i]);
…		…
2827		3229
2828	inline_size void	3230	inline_size void
2829	loop_fork (EV_P)	3231	loop_fork (EV_P)
2830	{	3232	{
2831	#if EV_USE_PORT	3233	#if EV_USE_PORT
2832	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3234	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2833	#endif	3235	#endif
2834	#if EV_USE_KQUEUE	3236	#if EV_USE_KQUEUE
2835	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3237	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3238	#endif
		3239	#if EV_USE_IOURING
		3240	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3241	#endif
		3242	#if EV_USE_LINUXAIO
		3243	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2836	#endif	3244	#endif
2837	#if EV_USE_EPOLL	3245	#if EV_USE_EPOLL
2838	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3246	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2839	#endif	3247	#endif
2840	#if EV_USE_INOTIFY	3248	#if EV_USE_INOTIFY
2841	infy_fork (EV_A);	3249	infy_fork (EV_A);
2842	#endif	3250	#endif
2843		3251
2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3252	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2845	if (ev_is_active (&pipe_w))	3253	if (ev_is_active (&pipe_w) && postfork != 2)
2846	{	3254	{
2847	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3255	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2848		3256
2849	ev_ref (EV_A);	3257	ev_ref (EV_A);
2850	ev_io_stop (EV_A_ &pipe_w);	3258	ev_io_stop (EV_A_ &pipe_w);
…		…
2861	postfork = 0;	3269	postfork = 0;
2862	}	3270	}
2863		3271
2864	#if EV_MULTIPLICITY	3272	#if EV_MULTIPLICITY
2865		3273
		3274	ecb_cold
2866	struct ev_loop * ecb_cold	3275	struct ev_loop *
2867	ev_loop_new (unsigned int flags) EV_THROW	3276	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2868	{	3277	{
2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3278	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2870		3279
2871	memset (EV_A, 0, sizeof (struct ev_loop));	3280	memset (EV_A, 0, sizeof (struct ev_loop));
2872	loop_init (EV_A_ flags);	3281	loop_init (EV_A_ flags);
…		…
2879	}	3288	}
2880		3289
2881	#endif /* multiplicity */	3290	#endif /* multiplicity */
2882		3291
2883	#if EV_VERIFY	3292	#if EV_VERIFY
2884	static void noinline ecb_cold	3293	ecb_noinline ecb_cold
		3294	static void
2885	verify_watcher (EV_P_ W w)	3295	verify_watcher (EV_P_ W w)
2886	{	3296	{
2887	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3297	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2888		3298
2889	if (w->pending)	3299	if (w->pending)
2890	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3300	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2891	}	3301	}
2892		3302
2893	static void noinline ecb_cold	3303	ecb_noinline ecb_cold
		3304	static void
2894	verify_heap (EV_P_ ANHE *heap, int N)	3305	verify_heap (EV_P_ ANHE *heap, int N)
2895	{	3306	{
2896	int i;	3307	int i;
2897		3308
2898	for (i = HEAP0; i < N + HEAP0; ++i)	3309	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2903		3314
2904	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3315	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2905	}	3316	}
2906	}	3317	}
2907		3318
2908	static void noinline ecb_cold	3319	ecb_noinline ecb_cold
		3320	static void
2909	array_verify (EV_P_ W *ws, int cnt)	3321	array_verify (EV_P_ W *ws, int cnt)
2910	{	3322	{
2911	while (cnt--)	3323	while (cnt--)
2912	{	3324	{
2913	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3325	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2916	}	3328	}
2917	#endif	3329	#endif
2918		3330
2919	#if EV_FEATURE_API	3331	#if EV_FEATURE_API
2920	void ecb_cold	3332	void ecb_cold
2921	ev_verify (EV_P) EV_THROW	3333	ev_verify (EV_P) EV_NOEXCEPT
2922	{	3334	{
2923	#if EV_VERIFY	3335	#if EV_VERIFY
2924	int i;	3336	int i;
2925	WL w, w2;	3337	WL w, w2;
2926		3338
…		…
3002	#endif	3414	#endif
3003	}	3415	}
3004	#endif	3416	#endif
3005		3417
3006	#if EV_MULTIPLICITY	3418	#if EV_MULTIPLICITY
		3419	ecb_cold
3007	struct ev_loop * ecb_cold	3420	struct ev_loop *
3008	#else	3421	#else
3009	int	3422	int
3010	#endif	3423	#endif
3011	ev_default_loop (unsigned int flags) EV_THROW	3424	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3012	{	3425	{
3013	if (!ev_default_loop_ptr)	3426	if (!ev_default_loop_ptr)
3014	{	3427	{
3015	#if EV_MULTIPLICITY	3428	#if EV_MULTIPLICITY
3016	EV_P = ev_default_loop_ptr = &default_loop_struct;	3429	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3035		3448
3036	return ev_default_loop_ptr;	3449	return ev_default_loop_ptr;
3037	}	3450	}
3038		3451
3039	void	3452	void
3040	ev_loop_fork (EV_P) EV_THROW	3453	ev_loop_fork (EV_P) EV_NOEXCEPT
3041	{	3454	{
3042	postfork = 1;	3455	postfork = 1;
3043	}	3456	}
3044		3457
3045	/*****************************************************************************/	3458	/*****************************************************************************/
…		…
3049	{	3462	{
3050	EV_CB_INVOKE ((W)w, revents);	3463	EV_CB_INVOKE ((W)w, revents);
3051	}	3464	}
3052		3465
3053	unsigned int	3466	unsigned int
3054	ev_pending_count (EV_P) EV_THROW	3467	ev_pending_count (EV_P) EV_NOEXCEPT
3055	{	3468	{
3056	int pri;	3469	int pri;
3057	unsigned int count = 0;	3470	unsigned int count = 0;
3058		3471
3059	for (pri = NUMPRI; pri--; )	3472	for (pri = NUMPRI; pri--; )
3060	count += pendingcnt [pri];	3473	count += pendingcnt [pri];
3061		3474
3062	return count;	3475	return count;
3063	}	3476	}
3064		3477
3065	void noinline	3478	ecb_noinline
		3479	void
3066	ev_invoke_pending (EV_P)	3480	ev_invoke_pending (EV_P)
3067	{	3481	{
3068	pendingpri = NUMPRI;	3482	pendingpri = NUMPRI;
3069		3483
3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3484	do
3071	{	3485	{
3072	--pendingpri;	3486	--pendingpri;
3073		3487
		3488	/* pendingpri possibly gets modified in the inner loop */
3074	while (pendingcnt [pendingpri])	3489	while (pendingcnt [pendingpri])
3075	{	3490	{
3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3491	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3077		3492
3078	p->w->pending = 0;	3493	p->w->pending = 0;
3079	EV_CB_INVOKE (p->w, p->events);	3494	EV_CB_INVOKE (p->w, p->events);
3080	EV_FREQUENT_CHECK;	3495	EV_FREQUENT_CHECK;
3081	}	3496	}
3082	}	3497	}
		3498	while (pendingpri);
3083	}	3499	}
3084		3500
3085	#if EV_IDLE_ENABLE	3501	#if EV_IDLE_ENABLE
3086	/* make idle watchers pending. this handles the "call-idle */	3502	/* make idle watchers pending. this handles the "call-idle */
3087	/* only when higher priorities are idle" logic */	3503	/* only when higher priorities are idle" logic */
3088	inline_size void	3504	inline_size void
3089	idle_reify (EV_P)	3505	idle_reify (EV_P)
3090	{	3506	{
3091	if (expect_false (idleall))	3507	if (ecb_expect_false (idleall))
3092	{	3508	{
3093	int pri;	3509	int pri;
3094		3510
3095	for (pri = NUMPRI; pri--; )	3511	for (pri = NUMPRI; pri--; )
3096	{	3512	{
…		…
3145	}	3561	}
3146	}	3562	}
3147		3563
3148	#if EV_PERIODIC_ENABLE	3564	#if EV_PERIODIC_ENABLE
3149		3565
3150	static void noinline	3566	ecb_noinline
		3567	static void
3151	periodic_recalc (EV_P_ ev_periodic *w)	3568	periodic_recalc (EV_P_ ev_periodic *w)
3152	{	3569	{
3153	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3570	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);	3571	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3155		3572
…		…
3157	while (at <= ev_rt_now)	3574	while (at <= ev_rt_now)
3158	{	3575	{
3159	ev_tstamp nat = at + w->interval;	3576	ev_tstamp nat = at + w->interval;
3160		3577
3161	/* when resolution fails us, we use ev_rt_now */	3578	/* when resolution fails us, we use ev_rt_now */
3162	if (expect_false (nat == at))	3579	if (ecb_expect_false (nat == at))
3163	{	3580	{
3164	at = ev_rt_now;	3581	at = ev_rt_now;
3165	break;	3582	break;
3166	}	3583	}
3167		3584
…		…
3213	}	3630	}
3214	}	3631	}
3215		3632
3216	/* simply recalculate all periodics */	3633	/* simply recalculate all periodics */
3217	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3634	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3218	static void noinline ecb_cold	3635	ecb_noinline ecb_cold
		3636	static void
3219	periodics_reschedule (EV_P)	3637	periodics_reschedule (EV_P)
3220	{	3638	{
3221	int i;	3639	int i;
3222		3640
3223	/* adjust periodics after time jump */	3641	/* adjust periodics after time jump */
…		…
3236	reheap (periodics, periodiccnt);	3654	reheap (periodics, periodiccnt);
3237	}	3655	}
3238	#endif	3656	#endif
3239		3657
3240	/* adjust all timers by a given offset */	3658	/* adjust all timers by a given offset */
3241	static void noinline ecb_cold	3659	ecb_noinline ecb_cold
		3660	static void
3242	timers_reschedule (EV_P_ ev_tstamp adjust)	3661	timers_reschedule (EV_P_ ev_tstamp adjust)
3243	{	3662	{
3244	int i;	3663	int i;
3245		3664
3246	for (i = 0; i < timercnt; ++i)	3665	for (i = 0; i < timercnt; ++i)
…		…
3255	/* also detect if there was a timejump, and act accordingly */	3674	/* also detect if there was a timejump, and act accordingly */
3256	inline_speed void	3675	inline_speed void
3257	time_update (EV_P_ ev_tstamp max_block)	3676	time_update (EV_P_ ev_tstamp max_block)
3258	{	3677	{
3259	#if EV_USE_MONOTONIC	3678	#if EV_USE_MONOTONIC
3260	if (expect_true (have_monotonic))	3679	if (ecb_expect_true (have_monotonic))
3261	{	3680	{
3262	int i;	3681	int i;
3263	ev_tstamp odiff = rtmn_diff;	3682	ev_tstamp odiff = rtmn_diff;
3264		3683
3265	mn_now = get_clock ();	3684	mn_now = get_clock ();
3266		3685
3267	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3686	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3268	/* interpolate in the meantime */	3687	/* interpolate in the meantime */
3269	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3688	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3270	{	3689	{
3271	ev_rt_now = rtmn_diff + mn_now;	3690	ev_rt_now = rtmn_diff + mn_now;
3272	return;	3691	return;
3273	}	3692	}
3274		3693
…		…
3288	ev_tstamp diff;	3707	ev_tstamp diff;
3289	rtmn_diff = ev_rt_now - mn_now;	3708	rtmn_diff = ev_rt_now - mn_now;
3290		3709
3291	diff = odiff - rtmn_diff;	3710	diff = odiff - rtmn_diff;
3292		3711
3293	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3712	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3294	return; /* all is well */	3713	return; /* all is well */
3295		3714
3296	ev_rt_now = ev_time ();	3715	ev_rt_now = ev_time ();
3297	mn_now = get_clock ();	3716	mn_now = get_clock ();
3298	now_floor = mn_now;	3717	now_floor = mn_now;
…		…
3307	else	3726	else
3308	#endif	3727	#endif
3309	{	3728	{
3310	ev_rt_now = ev_time ();	3729	ev_rt_now = ev_time ();
3311		3730
3312	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3731	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3313	{	3732	{
3314	/* adjust timers. this is easy, as the offset is the same for all of them */	3733	/* 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);	3734	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3316	#if EV_PERIODIC_ENABLE	3735	#if EV_PERIODIC_ENABLE
3317	periodics_reschedule (EV_A);	3736	periodics_reschedule (EV_A);
…		…
3340	#if EV_VERIFY >= 2	3759	#if EV_VERIFY >= 2
3341	ev_verify (EV_A);	3760	ev_verify (EV_A);
3342	#endif	3761	#endif
3343		3762
3344	#ifndef _WIN32	3763	#ifndef _WIN32
3345	if (expect_false (curpid)) /* penalise the forking check even more */	3764	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3346	if (expect_false (getpid () != curpid))	3765	if (ecb_expect_false (getpid () != curpid))
3347	{	3766	{
3348	curpid = getpid ();	3767	curpid = getpid ();
3349	postfork = 1;	3768	postfork = 1;
3350	}	3769	}
3351	#endif	3770	#endif
3352		3771
3353	#if EV_FORK_ENABLE	3772	#if EV_FORK_ENABLE
3354	/* we might have forked, so queue fork handlers */	3773	/* we might have forked, so queue fork handlers */
3355	if (expect_false (postfork))	3774	if (ecb_expect_false (postfork))
3356	if (forkcnt)	3775	if (forkcnt)
3357	{	3776	{
3358	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3777	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3359	EV_INVOKE_PENDING;	3778	EV_INVOKE_PENDING;
3360	}	3779	}
3361	#endif	3780	#endif
3362		3781
3363	#if EV_PREPARE_ENABLE	3782	#if EV_PREPARE_ENABLE
3364	/* queue prepare watchers (and execute them) */	3783	/* queue prepare watchers (and execute them) */
3365	if (expect_false (preparecnt))	3784	if (ecb_expect_false (preparecnt))
3366	{	3785	{
3367	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3786	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3368	EV_INVOKE_PENDING;	3787	EV_INVOKE_PENDING;
3369	}	3788	}
3370	#endif	3789	#endif
3371		3790
3372	if (expect_false (loop_done))	3791	if (ecb_expect_false (loop_done))
3373	break;	3792	break;
3374		3793
3375	/* we might have forked, so reify kernel state if necessary */	3794	/* we might have forked, so reify kernel state if necessary */
3376	if (expect_false (postfork))	3795	if (ecb_expect_false (postfork))
3377	loop_fork (EV_A);	3796	loop_fork (EV_A);
3378		3797
3379	/* update fd-related kernel structures */	3798	/* update fd-related kernel structures */
3380	fd_reify (EV_A);	3799	fd_reify (EV_A);
3381		3800
…		…
3393	/* from now on, we want a pipe-wake-up */	3812	/* from now on, we want a pipe-wake-up */
3394	pipe_write_wanted = 1;	3813	pipe_write_wanted = 1;
3395		3814
3396	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3815	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3397		3816
3398	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3817	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3399	{	3818	{
3400	waittime = MAX_BLOCKTIME;	3819	waittime = MAX_BLOCKTIME;
3401		3820
3402	if (timercnt)	3821	if (timercnt)
3403	{	3822	{
…		…
3412	if (waittime > to) waittime = to;	3831	if (waittime > to) waittime = to;
3413	}	3832	}
3414	#endif	3833	#endif
3415		3834
3416	/* don't let timeouts decrease the waittime below timeout_blocktime */	3835	/* don't let timeouts decrease the waittime below timeout_blocktime */
3417	if (expect_false (waittime < timeout_blocktime))	3836	if (ecb_expect_false (waittime < timeout_blocktime))
3418	waittime = timeout_blocktime;	3837	waittime = timeout_blocktime;
3419		3838
3420	/* at this point, we NEED to wait, so we have to ensure */	3839	/* at this point, we NEED to wait, so we have to ensure */
3421	/* to pass a minimum nonzero value to the backend */	3840	/* to pass a minimum nonzero value to the backend */
3422	if (expect_false (waittime < backend_mintime))	3841	if (ecb_expect_false (waittime < backend_mintime))
3423	waittime = backend_mintime;	3842	waittime = backend_mintime;
3424		3843
3425	/* extra check because io_blocktime is commonly 0 */	3844	/* extra check because io_blocktime is commonly 0 */
3426	if (expect_false (io_blocktime))	3845	if (ecb_expect_false (io_blocktime))
3427	{	3846	{
3428	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3847	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3429		3848
3430	if (sleeptime > waittime - backend_mintime)	3849	if (sleeptime > waittime - backend_mintime)
3431	sleeptime = waittime - backend_mintime;	3850	sleeptime = waittime - backend_mintime;
3432		3851
3433	if (expect_true (sleeptime > 0.))	3852	if (ecb_expect_true (sleeptime > 0.))
3434	{	3853	{
3435	ev_sleep (sleeptime);	3854	ev_sleep (sleeptime);
3436	waittime -= sleeptime;	3855	waittime -= sleeptime;
3437	}	3856	}
3438	}	3857	}
…		…
3452	{	3871	{
3453	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3872	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);	3873	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3455	}	3874	}
3456		3875
3457
3458	/* update ev_rt_now, do magic */	3876	/* update ev_rt_now, do magic */
3459	time_update (EV_A_ waittime + sleeptime);	3877	time_update (EV_A_ waittime + sleeptime);
3460	}	3878	}
3461		3879
3462	/* queue pending timers and reschedule them */	3880	/* queue pending timers and reschedule them */
…		…
3470	idle_reify (EV_A);	3888	idle_reify (EV_A);
3471	#endif	3889	#endif
3472		3890
3473	#if EV_CHECK_ENABLE	3891	#if EV_CHECK_ENABLE
3474	/* queue check watchers, to be executed first */	3892	/* queue check watchers, to be executed first */
3475	if (expect_false (checkcnt))	3893	if (ecb_expect_false (checkcnt))
3476	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3894	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3477	#endif	3895	#endif
3478		3896
3479	EV_INVOKE_PENDING;	3897	EV_INVOKE_PENDING;
3480	}	3898	}
3481	while (expect_true (	3899	while (ecb_expect_true (
3482	activecnt	3900	activecnt
3483	&& !loop_done	3901	&& !loop_done
3484	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3902	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3485	));	3903	));
3486		3904
…		…
3493		3911
3494	return activecnt;	3912	return activecnt;
3495	}	3913	}
3496		3914
3497	void	3915	void
3498	ev_break (EV_P_ int how) EV_THROW	3916	ev_break (EV_P_ int how) EV_NOEXCEPT
3499	{	3917	{
3500	loop_done = how;	3918	loop_done = how;
3501	}	3919	}
3502		3920
3503	void	3921	void
3504	ev_ref (EV_P) EV_THROW	3922	ev_ref (EV_P) EV_NOEXCEPT
3505	{	3923	{
3506	++activecnt;	3924	++activecnt;
3507	}	3925	}
3508		3926
3509	void	3927	void
3510	ev_unref (EV_P) EV_THROW	3928	ev_unref (EV_P) EV_NOEXCEPT
3511	{	3929	{
3512	--activecnt;	3930	--activecnt;
3513	}	3931	}
3514		3932
3515	void	3933	void
3516	ev_now_update (EV_P) EV_THROW	3934	ev_now_update (EV_P) EV_NOEXCEPT
3517	{	3935	{
3518	time_update (EV_A_ 1e100);	3936	time_update (EV_A_ 1e100);
3519	}	3937	}
3520		3938
3521	void	3939	void
3522	ev_suspend (EV_P) EV_THROW	3940	ev_suspend (EV_P) EV_NOEXCEPT
3523	{	3941	{
3524	ev_now_update (EV_A);	3942	ev_now_update (EV_A);
3525	}	3943	}
3526		3944
3527	void	3945	void
3528	ev_resume (EV_P) EV_THROW	3946	ev_resume (EV_P) EV_NOEXCEPT
3529	{	3947	{
3530	ev_tstamp mn_prev = mn_now;	3948	ev_tstamp mn_prev = mn_now;
3531		3949
3532	ev_now_update (EV_A);	3950	ev_now_update (EV_A);
3533	timers_reschedule (EV_A_ mn_now - mn_prev);	3951	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3550	inline_size void	3968	inline_size void
3551	wlist_del (WL *head, WL elem)	3969	wlist_del (WL *head, WL elem)
3552	{	3970	{
3553	while (*head)	3971	while (*head)
3554	{	3972	{
3555	if (expect_true (*head == elem))	3973	if (ecb_expect_true (*head == elem))
3556	{	3974	{
3557	*head = elem->next;	3975	*head = elem->next;
3558	break;	3976	break;
3559	}	3977	}
3560		3978
…		…
3572	w->pending = 0;	3990	w->pending = 0;
3573	}	3991	}
3574	}	3992	}
3575		3993
3576	int	3994	int
3577	ev_clear_pending (EV_P_ void *w) EV_THROW	3995	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3578	{	3996	{
3579	W w_ = (W)w;	3997	W w_ = (W)w;
3580	int pending = w_->pending;	3998	int pending = w_->pending;
3581		3999
3582	if (expect_true (pending))	4000	if (ecb_expect_true (pending))
3583	{	4001	{
3584	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4002	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3585	p->w = (W)&pending_w;	4003	p->w = (W)&pending_w;
3586	w_->pending = 0;	4004	w_->pending = 0;
3587	return p->events;	4005	return p->events;
…		…
3614	w->active = 0;	4032	w->active = 0;
3615	}	4033	}
3616		4034
3617	/*****************************************************************************/	4035	/*****************************************************************************/
3618		4036
3619	void noinline	4037	ecb_noinline
		4038	void
3620	ev_io_start (EV_P_ ev_io *w) EV_THROW	4039	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3621	{	4040	{
3622	int fd = w->fd;	4041	int fd = w->fd;
3623		4042
3624	if (expect_false (ev_is_active (w)))	4043	if (ecb_expect_false (ev_is_active (w)))
3625	return;	4044	return;
3626		4045
3627	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4046	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))));	4047	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3629		4048
		4049	#if EV_VERIFY >= 2
		4050	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4051	#endif
3630	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3631		4053
3632	ev_start (EV_A_ (W)w, 1);	4054	ev_start (EV_A_ (W)w, 1);
3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4055	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3634	wlist_add (&anfds[fd].head, (WL)w);	4056	wlist_add (&anfds[fd].head, (WL)w);
3635		4057
3636	/* common bug, apparently */	4058	/* common bug, apparently */
3637	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4059	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3638		4060
…		…
3640	w->events &= ~EV__IOFDSET;	4062	w->events &= ~EV__IOFDSET;
3641		4063
3642	EV_FREQUENT_CHECK;	4064	EV_FREQUENT_CHECK;
3643	}	4065	}
3644		4066
3645	void noinline	4067	ecb_noinline
		4068	void
3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4069	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3647	{	4070	{
3648	clear_pending (EV_A_ (W)w);	4071	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	4072	if (ecb_expect_false (!ev_is_active (w)))
3650	return;	4073	return;
3651		4074
3652	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4075	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3653		4076
		4077	#if EV_VERIFY >= 2
		4078	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4079	#endif
3654	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
3655		4081
3656	wlist_del (&anfds[w->fd].head, (WL)w);	4082	wlist_del (&anfds[w->fd].head, (WL)w);
3657	ev_stop (EV_A_ (W)w);	4083	ev_stop (EV_A_ (W)w);
3658		4084
3659	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4085	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3660		4086
3661	EV_FREQUENT_CHECK;	4087	EV_FREQUENT_CHECK;
3662	}	4088	}
3663		4089
3664	void noinline	4090	ecb_noinline
		4091	void
3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4092	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3666	{	4093	{
3667	if (expect_false (ev_is_active (w)))	4094	if (ecb_expect_false (ev_is_active (w)))
3668	return;	4095	return;
3669		4096
3670	ev_at (w) += mn_now;	4097	ev_at (w) += mn_now;
3671		4098
3672	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4099	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3673		4100
3674	EV_FREQUENT_CHECK;	4101	EV_FREQUENT_CHECK;
3675		4102
3676	++timercnt;	4103	++timercnt;
3677	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4104	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3678	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4105	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3679	ANHE_w (timers [ev_active (w)]) = (WT)w;	4106	ANHE_w (timers [ev_active (w)]) = (WT)w;
3680	ANHE_at_cache (timers [ev_active (w)]);	4107	ANHE_at_cache (timers [ev_active (w)]);
3681	upheap (timers, ev_active (w));	4108	upheap (timers, ev_active (w));
3682		4109
3683	EV_FREQUENT_CHECK;	4110	EV_FREQUENT_CHECK;
3684		4111
3685	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4112	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3686	}	4113	}
3687		4114
3688	void noinline	4115	ecb_noinline
		4116	void
3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4117	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3690	{	4118	{
3691	clear_pending (EV_A_ (W)w);	4119	clear_pending (EV_A_ (W)w);
3692	if (expect_false (!ev_is_active (w)))	4120	if (ecb_expect_false (!ev_is_active (w)))
3693	return;	4121	return;
3694		4122
3695	EV_FREQUENT_CHECK;	4123	EV_FREQUENT_CHECK;
3696		4124
3697	{	4125	{
…		…
3699		4127
3700	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4128	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3701		4129
3702	--timercnt;	4130	--timercnt;
3703		4131
3704	if (expect_true (active < timercnt + HEAP0))	4132	if (ecb_expect_true (active < timercnt + HEAP0))
3705	{	4133	{
3706	timers [active] = timers [timercnt + HEAP0];	4134	timers [active] = timers [timercnt + HEAP0];
3707	adjustheap (timers, timercnt, active);	4135	adjustheap (timers, timercnt, active);
3708	}	4136	}
3709	}	4137	}
…		…
3713	ev_stop (EV_A_ (W)w);	4141	ev_stop (EV_A_ (W)w);
3714		4142
3715	EV_FREQUENT_CHECK;	4143	EV_FREQUENT_CHECK;
3716	}	4144	}
3717		4145
3718	void noinline	4146	ecb_noinline
		4147	void
3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4148	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3720	{	4149	{
3721	EV_FREQUENT_CHECK;	4150	EV_FREQUENT_CHECK;
3722		4151
3723	clear_pending (EV_A_ (W)w);	4152	clear_pending (EV_A_ (W)w);
3724		4153
…		…
3741		4170
3742	EV_FREQUENT_CHECK;	4171	EV_FREQUENT_CHECK;
3743	}	4172	}
3744		4173
3745	ev_tstamp	4174	ev_tstamp
3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4175	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3747	{	4176	{
3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4177	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3749	}	4178	}
3750		4179
3751	#if EV_PERIODIC_ENABLE	4180	#if EV_PERIODIC_ENABLE
3752	void noinline	4181	ecb_noinline
		4182	void
3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4183	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3754	{	4184	{
3755	if (expect_false (ev_is_active (w)))	4185	if (ecb_expect_false (ev_is_active (w)))
3756	return;	4186	return;
3757		4187
3758	if (w->reschedule_cb)	4188	if (w->reschedule_cb)
3759	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4189	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3760	else if (w->interval)	4190	else if (w->interval)
…		…
3767		4197
3768	EV_FREQUENT_CHECK;	4198	EV_FREQUENT_CHECK;
3769		4199
3770	++periodiccnt;	4200	++periodiccnt;
3771	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4201	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3772	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4202	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3773	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4203	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3774	ANHE_at_cache (periodics [ev_active (w)]);	4204	ANHE_at_cache (periodics [ev_active (w)]);
3775	upheap (periodics, ev_active (w));	4205	upheap (periodics, ev_active (w));
3776		4206
3777	EV_FREQUENT_CHECK;	4207	EV_FREQUENT_CHECK;
3778		4208
3779	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4209	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3780	}	4210	}
3781		4211
3782	void noinline	4212	ecb_noinline
		4213	void
3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4214	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3784	{	4215	{
3785	clear_pending (EV_A_ (W)w);	4216	clear_pending (EV_A_ (W)w);
3786	if (expect_false (!ev_is_active (w)))	4217	if (ecb_expect_false (!ev_is_active (w)))
3787	return;	4218	return;
3788		4219
3789	EV_FREQUENT_CHECK;	4220	EV_FREQUENT_CHECK;
3790		4221
3791	{	4222	{
…		…
3793		4224
3794	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4225	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3795		4226
3796	--periodiccnt;	4227	--periodiccnt;
3797		4228
3798	if (expect_true (active < periodiccnt + HEAP0))	4229	if (ecb_expect_true (active < periodiccnt + HEAP0))
3799	{	4230	{
3800	periodics [active] = periodics [periodiccnt + HEAP0];	4231	periodics [active] = periodics [periodiccnt + HEAP0];
3801	adjustheap (periodics, periodiccnt, active);	4232	adjustheap (periodics, periodiccnt, active);
3802	}	4233	}
3803	}	4234	}
…		…
3805	ev_stop (EV_A_ (W)w);	4236	ev_stop (EV_A_ (W)w);
3806		4237
3807	EV_FREQUENT_CHECK;	4238	EV_FREQUENT_CHECK;
3808	}	4239	}
3809		4240
3810	void noinline	4241	ecb_noinline
		4242	void
3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4243	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3812	{	4244	{
3813	/* TODO: use adjustheap and recalculation */	4245	/* TODO: use adjustheap and recalculation */
3814	ev_periodic_stop (EV_A_ w);	4246	ev_periodic_stop (EV_A_ w);
3815	ev_periodic_start (EV_A_ w);	4247	ev_periodic_start (EV_A_ w);
3816	}	4248	}
…		…
3820	# define SA_RESTART 0	4252	# define SA_RESTART 0
3821	#endif	4253	#endif
3822		4254
3823	#if EV_SIGNAL_ENABLE	4255	#if EV_SIGNAL_ENABLE
3824		4256
3825	void noinline	4257	ecb_noinline
		4258	void
3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4259	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3827	{	4260	{
3828	if (expect_false (ev_is_active (w)))	4261	if (ecb_expect_false (ev_is_active (w)))
3829	return;	4262	return;
3830		4263
3831	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4264	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3832		4265
3833	#if EV_MULTIPLICITY	4266	#if EV_MULTIPLICITY
…		…
3902	}	4335	}
3903		4336
3904	EV_FREQUENT_CHECK;	4337	EV_FREQUENT_CHECK;
3905	}	4338	}
3906		4339
3907	void noinline	4340	ecb_noinline
		4341	void
3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4342	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3909	{	4343	{
3910	clear_pending (EV_A_ (W)w);	4344	clear_pending (EV_A_ (W)w);
3911	if (expect_false (!ev_is_active (w)))	4345	if (ecb_expect_false (!ev_is_active (w)))
3912	return;	4346	return;
3913		4347
3914	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3915		4349
3916	wlist_del (&signals [w->signum - 1].head, (WL)w);	4350	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3944	#endif	4378	#endif
3945		4379
3946	#if EV_CHILD_ENABLE	4380	#if EV_CHILD_ENABLE
3947		4381
3948	void	4382	void
3949	ev_child_start (EV_P_ ev_child *w) EV_THROW	4383	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3950	{	4384	{
3951	#if EV_MULTIPLICITY	4385	#if EV_MULTIPLICITY
3952	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4386	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3953	#endif	4387	#endif
3954	if (expect_false (ev_is_active (w)))	4388	if (ecb_expect_false (ev_is_active (w)))
3955	return;	4389	return;
3956		4390
3957	EV_FREQUENT_CHECK;	4391	EV_FREQUENT_CHECK;
3958		4392
3959	ev_start (EV_A_ (W)w, 1);	4393	ev_start (EV_A_ (W)w, 1);
…		…
3961		4395
3962	EV_FREQUENT_CHECK;	4396	EV_FREQUENT_CHECK;
3963	}	4397	}
3964		4398
3965	void	4399	void
3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4400	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3967	{	4401	{
3968	clear_pending (EV_A_ (W)w);	4402	clear_pending (EV_A_ (W)w);
3969	if (expect_false (!ev_is_active (w)))	4403	if (ecb_expect_false (!ev_is_active (w)))
3970	return;	4404	return;
3971		4405
3972	EV_FREQUENT_CHECK;	4406	EV_FREQUENT_CHECK;
3973		4407
3974	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4408	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3988		4422
3989	#define DEF_STAT_INTERVAL 5.0074891	4423	#define DEF_STAT_INTERVAL 5.0074891
3990	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4424	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3991	#define MIN_STAT_INTERVAL 0.1074891	4425	#define MIN_STAT_INTERVAL 0.1074891
3992		4426
3993	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4427	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3994		4428
3995	#if EV_USE_INOTIFY	4429	#if EV_USE_INOTIFY
3996		4430
3997	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4431	/* 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)	4432	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3999		4433
4000	static void noinline	4434	ecb_noinline
		4435	static void
4001	infy_add (EV_P_ ev_stat *w)	4436	infy_add (EV_P_ ev_stat *w)
4002	{	4437	{
4003	w->wd = inotify_add_watch (fs_fd, w->path,	4438	w->wd = inotify_add_watch (fs_fd, w->path,
4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4439	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4440	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4069	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4070	ev_timer_again (EV_A_ &w->timer);	4505	ev_timer_again (EV_A_ &w->timer);
4071	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4506	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4072	}	4507	}
4073		4508
4074	static void noinline	4509	ecb_noinline
		4510	static void
4075	infy_del (EV_P_ ev_stat *w)	4511	infy_del (EV_P_ ev_stat *w)
4076	{	4512	{
4077	int slot;	4513	int slot;
4078	int wd = w->wd;	4514	int wd = w->wd;
4079		4515
…		…
4086		4522
4087	/* remove this watcher, if others are watching it, they will rearm */	4523	/* remove this watcher, if others are watching it, they will rearm */
4088	inotify_rm_watch (fs_fd, wd);	4524	inotify_rm_watch (fs_fd, wd);
4089	}	4525	}
4090		4526
4091	static void noinline	4527	ecb_noinline
		4528	static void
4092	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4529	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4093	{	4530	{
4094	if (slot < 0)	4531	if (slot < 0)
4095	/* overflow, need to check for all hash slots */	4532	/* overflow, need to check for all hash slots */
4096	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4533	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4132	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4569	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4133	ofs += sizeof (struct inotify_event) + ev->len;	4570	ofs += sizeof (struct inotify_event) + ev->len;
4134	}	4571	}
4135	}	4572	}
4136		4573
4137	inline_size void ecb_cold	4574	inline_size ecb_cold
		4575	void
4138	ev_check_2625 (EV_P)	4576	ev_check_2625 (EV_P)
4139	{	4577	{
4140	/* kernels < 2.6.25 are borked	4578	/* kernels < 2.6.25 are borked
4141	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4579	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4142	*/	4580	*/
…		…
4232	#else	4670	#else
4233	# define EV_LSTAT(p,b) lstat (p, b)	4671	# define EV_LSTAT(p,b) lstat (p, b)
4234	#endif	4672	#endif
4235		4673
4236	void	4674	void
4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4675	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4238	{	4676	{
4239	if (lstat (w->path, &w->attr) < 0)	4677	if (lstat (w->path, &w->attr) < 0)
4240	w->attr.st_nlink = 0;	4678	w->attr.st_nlink = 0;
4241	else if (!w->attr.st_nlink)	4679	else if (!w->attr.st_nlink)
4242	w->attr.st_nlink = 1;	4680	w->attr.st_nlink = 1;
4243	}	4681	}
4244		4682
4245	static void noinline	4683	ecb_noinline
		4684	static void
4246	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4685	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4247	{	4686	{
4248	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4687	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4249		4688
4250	ev_statdata prev = w->attr;	4689	ev_statdata prev = w->attr;
…		…
4281	ev_feed_event (EV_A_ w, EV_STAT);	4720	ev_feed_event (EV_A_ w, EV_STAT);
4282	}	4721	}
4283	}	4722	}
4284		4723
4285	void	4724	void
4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4725	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4287	{	4726	{
4288	if (expect_false (ev_is_active (w)))	4727	if (ecb_expect_false (ev_is_active (w)))
4289	return;	4728	return;
4290		4729
4291	ev_stat_stat (EV_A_ w);	4730	ev_stat_stat (EV_A_ w);
4292		4731
4293	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4732	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4312		4751
4313	EV_FREQUENT_CHECK;	4752	EV_FREQUENT_CHECK;
4314	}	4753	}
4315		4754
4316	void	4755	void
4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4756	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4318	{	4757	{
4319	clear_pending (EV_A_ (W)w);	4758	clear_pending (EV_A_ (W)w);
4320	if (expect_false (!ev_is_active (w)))	4759	if (ecb_expect_false (!ev_is_active (w)))
4321	return;	4760	return;
4322		4761
4323	EV_FREQUENT_CHECK;	4762	EV_FREQUENT_CHECK;
4324		4763
4325	#if EV_USE_INOTIFY	4764	#if EV_USE_INOTIFY
…		…
4338	}	4777	}
4339	#endif	4778	#endif
4340		4779
4341	#if EV_IDLE_ENABLE	4780	#if EV_IDLE_ENABLE
4342	void	4781	void
4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4782	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4344	{	4783	{
4345	if (expect_false (ev_is_active (w)))	4784	if (ecb_expect_false (ev_is_active (w)))
4346	return;	4785	return;
4347		4786
4348	pri_adjust (EV_A_ (W)w);	4787	pri_adjust (EV_A_ (W)w);
4349		4788
4350	EV_FREQUENT_CHECK;	4789	EV_FREQUENT_CHECK;
…		…
4353	int active = ++idlecnt [ABSPRI (w)];	4792	int active = ++idlecnt [ABSPRI (w)];
4354		4793
4355	++idleall;	4794	++idleall;
4356	ev_start (EV_A_ (W)w, active);	4795	ev_start (EV_A_ (W)w, active);
4357		4796
4358	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4797	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4359	idles [ABSPRI (w)][active - 1] = w;	4798	idles [ABSPRI (w)][active - 1] = w;
4360	}	4799	}
4361		4800
4362	EV_FREQUENT_CHECK;	4801	EV_FREQUENT_CHECK;
4363	}	4802	}
4364		4803
4365	void	4804	void
4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4805	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4367	{	4806	{
4368	clear_pending (EV_A_ (W)w);	4807	clear_pending (EV_A_ (W)w);
4369	if (expect_false (!ev_is_active (w)))	4808	if (ecb_expect_false (!ev_is_active (w)))
4370	return;	4809	return;
4371		4810
4372	EV_FREQUENT_CHECK;	4811	EV_FREQUENT_CHECK;
4373		4812
4374	{	4813	{
…		…
4385	}	4824	}
4386	#endif	4825	#endif
4387		4826
4388	#if EV_PREPARE_ENABLE	4827	#if EV_PREPARE_ENABLE
4389	void	4828	void
4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4829	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4391	{	4830	{
4392	if (expect_false (ev_is_active (w)))	4831	if (ecb_expect_false (ev_is_active (w)))
4393	return;	4832	return;
4394		4833
4395	EV_FREQUENT_CHECK;	4834	EV_FREQUENT_CHECK;
4396		4835
4397	ev_start (EV_A_ (W)w, ++preparecnt);	4836	ev_start (EV_A_ (W)w, ++preparecnt);
4398	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4837	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4399	prepares [preparecnt - 1] = w;	4838	prepares [preparecnt - 1] = w;
4400		4839
4401	EV_FREQUENT_CHECK;	4840	EV_FREQUENT_CHECK;
4402	}	4841	}
4403		4842
4404	void	4843	void
4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4844	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4406	{	4845	{
4407	clear_pending (EV_A_ (W)w);	4846	clear_pending (EV_A_ (W)w);
4408	if (expect_false (!ev_is_active (w)))	4847	if (ecb_expect_false (!ev_is_active (w)))
4409	return;	4848	return;
4410		4849
4411	EV_FREQUENT_CHECK;	4850	EV_FREQUENT_CHECK;
4412		4851
4413	{	4852	{
…		…
4423	}	4862	}
4424	#endif	4863	#endif
4425		4864
4426	#if EV_CHECK_ENABLE	4865	#if EV_CHECK_ENABLE
4427	void	4866	void
4428	ev_check_start (EV_P_ ev_check *w) EV_THROW	4867	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4429	{	4868	{
4430	if (expect_false (ev_is_active (w)))	4869	if (ecb_expect_false (ev_is_active (w)))
4431	return;	4870	return;
4432		4871
4433	EV_FREQUENT_CHECK;	4872	EV_FREQUENT_CHECK;
4434		4873
4435	ev_start (EV_A_ (W)w, ++checkcnt);	4874	ev_start (EV_A_ (W)w, ++checkcnt);
4436	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4875	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4437	checks [checkcnt - 1] = w;	4876	checks [checkcnt - 1] = w;
4438		4877
4439	EV_FREQUENT_CHECK;	4878	EV_FREQUENT_CHECK;
4440	}	4879	}
4441		4880
4442	void	4881	void
4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4882	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4444	{	4883	{
4445	clear_pending (EV_A_ (W)w);	4884	clear_pending (EV_A_ (W)w);
4446	if (expect_false (!ev_is_active (w)))	4885	if (ecb_expect_false (!ev_is_active (w)))
4447	return;	4886	return;
4448		4887
4449	EV_FREQUENT_CHECK;	4888	EV_FREQUENT_CHECK;
4450		4889
4451	{	4890	{
…		…
4460	EV_FREQUENT_CHECK;	4899	EV_FREQUENT_CHECK;
4461	}	4900	}
4462	#endif	4901	#endif
4463		4902
4464	#if EV_EMBED_ENABLE	4903	#if EV_EMBED_ENABLE
4465	void noinline	4904	ecb_noinline
		4905	void
4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4906	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4467	{	4907	{
4468	ev_run (w->other, EVRUN_NOWAIT);	4908	ev_run (w->other, EVRUN_NOWAIT);
4469	}	4909	}
4470		4910
4471	static void	4911	static void
…		…
4519	ev_idle_stop (EV_A_ idle);	4959	ev_idle_stop (EV_A_ idle);
4520	}	4960	}
4521	#endif	4961	#endif
4522		4962
4523	void	4963	void
4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4964	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4525	{	4965	{
4526	if (expect_false (ev_is_active (w)))	4966	if (ecb_expect_false (ev_is_active (w)))
4527	return;	4967	return;
4528		4968
4529	{	4969	{
4530	EV_P = w->other;	4970	EV_P = w->other;
4531	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4971	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4550		4990
4551	EV_FREQUENT_CHECK;	4991	EV_FREQUENT_CHECK;
4552	}	4992	}
4553		4993
4554	void	4994	void
4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4995	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4556	{	4996	{
4557	clear_pending (EV_A_ (W)w);	4997	clear_pending (EV_A_ (W)w);
4558	if (expect_false (!ev_is_active (w)))	4998	if (ecb_expect_false (!ev_is_active (w)))
4559	return;	4999	return;
4560		5000
4561	EV_FREQUENT_CHECK;	5001	EV_FREQUENT_CHECK;
4562		5002
4563	ev_io_stop (EV_A_ &w->io);	5003	ev_io_stop (EV_A_ &w->io);
…		…
4570	}	5010	}
4571	#endif	5011	#endif
4572		5012
4573	#if EV_FORK_ENABLE	5013	#if EV_FORK_ENABLE
4574	void	5014	void
4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5015	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4576	{	5016	{
4577	if (expect_false (ev_is_active (w)))	5017	if (ecb_expect_false (ev_is_active (w)))
4578	return;	5018	return;
4579		5019
4580	EV_FREQUENT_CHECK;	5020	EV_FREQUENT_CHECK;
4581		5021
4582	ev_start (EV_A_ (W)w, ++forkcnt);	5022	ev_start (EV_A_ (W)w, ++forkcnt);
4583	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5023	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4584	forks [forkcnt - 1] = w;	5024	forks [forkcnt - 1] = w;
4585		5025
4586	EV_FREQUENT_CHECK;	5026	EV_FREQUENT_CHECK;
4587	}	5027	}
4588		5028
4589	void	5029	void
4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5030	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4591	{	5031	{
4592	clear_pending (EV_A_ (W)w);	5032	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	5033	if (ecb_expect_false (!ev_is_active (w)))
4594	return;	5034	return;
4595		5035
4596	EV_FREQUENT_CHECK;	5036	EV_FREQUENT_CHECK;
4597		5037
4598	{	5038	{
…		…
4608	}	5048	}
4609	#endif	5049	#endif
4610		5050
4611	#if EV_CLEANUP_ENABLE	5051	#if EV_CLEANUP_ENABLE
4612	void	5052	void
4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5053	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4614	{	5054	{
4615	if (expect_false (ev_is_active (w)))	5055	if (ecb_expect_false (ev_is_active (w)))
4616	return;	5056	return;
4617		5057
4618	EV_FREQUENT_CHECK;	5058	EV_FREQUENT_CHECK;
4619		5059
4620	ev_start (EV_A_ (W)w, ++cleanupcnt);	5060	ev_start (EV_A_ (W)w, ++cleanupcnt);
4621	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5061	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4622	cleanups [cleanupcnt - 1] = w;	5062	cleanups [cleanupcnt - 1] = w;
4623		5063
4624	/* cleanup watchers should never keep a refcount on the loop */	5064	/* cleanup watchers should never keep a refcount on the loop */
4625	ev_unref (EV_A);	5065	ev_unref (EV_A);
4626	EV_FREQUENT_CHECK;	5066	EV_FREQUENT_CHECK;
4627	}	5067	}
4628		5068
4629	void	5069	void
4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5070	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4631	{	5071	{
4632	clear_pending (EV_A_ (W)w);	5072	clear_pending (EV_A_ (W)w);
4633	if (expect_false (!ev_is_active (w)))	5073	if (ecb_expect_false (!ev_is_active (w)))
4634	return;	5074	return;
4635		5075
4636	EV_FREQUENT_CHECK;	5076	EV_FREQUENT_CHECK;
4637	ev_ref (EV_A);	5077	ev_ref (EV_A);
4638		5078
…		…
4649	}	5089	}
4650	#endif	5090	#endif
4651		5091
4652	#if EV_ASYNC_ENABLE	5092	#if EV_ASYNC_ENABLE
4653	void	5093	void
4654	ev_async_start (EV_P_ ev_async *w) EV_THROW	5094	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	5095	{
4656	if (expect_false (ev_is_active (w)))	5096	if (ecb_expect_false (ev_is_active (w)))
4657	return;	5097	return;
4658		5098
4659	w->sent = 0;	5099	w->sent = 0;
4660		5100
4661	evpipe_init (EV_A);	5101	evpipe_init (EV_A);
4662		5102
4663	EV_FREQUENT_CHECK;	5103	EV_FREQUENT_CHECK;
4664		5104
4665	ev_start (EV_A_ (W)w, ++asynccnt);	5105	ev_start (EV_A_ (W)w, ++asynccnt);
4666	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5106	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4667	asyncs [asynccnt - 1] = w;	5107	asyncs [asynccnt - 1] = w;
4668		5108
4669	EV_FREQUENT_CHECK;	5109	EV_FREQUENT_CHECK;
4670	}	5110	}
4671		5111
4672	void	5112	void
4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5113	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4674	{	5114	{
4675	clear_pending (EV_A_ (W)w);	5115	clear_pending (EV_A_ (W)w);
4676	if (expect_false (!ev_is_active (w)))	5116	if (ecb_expect_false (!ev_is_active (w)))
4677	return;	5117	return;
4678		5118
4679	EV_FREQUENT_CHECK;	5119	EV_FREQUENT_CHECK;
4680		5120
4681	{	5121	{
…		…
4689		5129
4690	EV_FREQUENT_CHECK;	5130	EV_FREQUENT_CHECK;
4691	}	5131	}
4692		5132
4693	void	5133	void
4694	ev_async_send (EV_P_ ev_async *w) EV_THROW	5134	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4695	{	5135	{
4696	w->sent = 1;	5136	w->sent = 1;
4697	evpipe_write (EV_A_ &async_pending);	5137	evpipe_write (EV_A_ &async_pending);
4698	}	5138	}
4699	#endif	5139	#endif
…		…
4736		5176
4737	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5177	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4738	}	5178	}
4739		5179
4740	void	5180	void
4741	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5181	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4742	{	5182	{
4743	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5183	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		5184
4751	once->cb = cb;	5185	once->cb = cb;
4752	once->arg = arg;	5186	once->arg = arg;
4753		5187
4754	ev_init (&once->io, once_cb_io);	5188	ev_init (&once->io, once_cb_io);
…		…
4767	}	5201	}
4768		5202
4769	/*****************************************************************************/	5203	/*****************************************************************************/
4770		5204
4771	#if EV_WALK_ENABLE	5205	#if EV_WALK_ENABLE
4772	void ecb_cold	5206	ecb_cold
		5207	void
4773	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5208	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4774	{	5209	{
4775	int i, j;	5210	int i, j;
4776	ev_watcher_list *wl, *wn;	5211	ev_watcher_list *wl, *wn;
4777		5212
4778	if (types & (EV_IO | EV_EMBED))	5213	if (types & (EV_IO | EV_EMBED))

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