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Comparing libev/ev.c (file contents):
Revision 1.472 by root, Tue Sep 9 13:24:13 2014 UTC vs.
Revision 1.503 by root, Wed Jul 3 21:52:04 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
118	# endif	118	# endif
119		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
		127	# endif
		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123	# endif	132	# endif
124	# else	133	# else
…		…
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
…		…
313		324
314	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
315	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
316	#endif	327	#endif
317		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
318	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
319	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
321	# else	348	# else
322	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
363		390
364	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366	#endif	393	#endif
367		394
368	#ifdef ANDROID	395	#ifdef __ANDROID__
369	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
370	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
371	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
372	/* 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 */
373	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
387	# include <sys/syscall.h>	414	# include <sys/syscall.h>
388	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
390	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
391	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
392	# else	420	# else
393	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
394	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
395	# endif	423	# endif
396	#endif	424	#endif
…		…
414		442
415	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
416	/* 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 */
417	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
418	# 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
419	# endif	472	# endif
420	#endif	473	#endif
421		474
422	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
423	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
465	uint32_t ssi_signo;	518	uint32_t ssi_signo;
466	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
467	};	520	};
468	#endif	521	#endif
469		522
470	/**/	523	/*****************************************************************************/
471		524
472	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
473	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
474	#else	527	#else
475	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
480	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
481	*/	534	*/
482	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
483	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
484		537
485	#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) */
486	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		540
		541	/* find a portable timestamp that is "alawys" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes large than 32 bit, but and maybe the unlikely loating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
487		548
488	#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)
489	#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)
490		551
491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	552	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
492	/* ECB.H BEGIN */	553	/* ECB.H BEGIN */
493	/*	554	/*
494	* libecb - http://software.schmorp.de/pkg/libecb	555	* libecb - http://software.schmorp.de/pkg/libecb
495	*	556	*
496	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	557	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
497	* Copyright (©) 2011 Emanuele Giaquinta	558	* Copyright (©) 2011 Emanuele Giaquinta
498	* All rights reserved.	559	* All rights reserved.
499	*	560	*
500	* Redistribution and use in source and binary forms, with or without modifica-	561	* Redistribution and use in source and binary forms, with or without modifica-
501	* tion, are permitted provided that the following conditions are met:	562	* tion, are permitted provided that the following conditions are met:
…		…
532		593
533	#ifndef ECB_H	594	#ifndef ECB_H
534	#define ECB_H	595	#define ECB_H
535		596
536	/* 16 bits major, 16 bits minor */	597	/* 16 bits major, 16 bits minor */
537	#define ECB_VERSION 0x00010003	598	#define ECB_VERSION 0x00010006
538		599
539	#ifdef _WIN32	600	#ifdef _WIN32
540	typedef signed char int8_t;	601	typedef signed char int8_t;
541	typedef unsigned char uint8_t;	602	typedef unsigned char uint8_t;
542	typedef signed short int16_t;	603	typedef signed short int16_t;
…		…
559	typedef uint32_t uintptr_t;	620	typedef uint32_t uintptr_t;
560	typedef int32_t intptr_t;	621	typedef int32_t intptr_t;
561	#endif	622	#endif
562	#else	623	#else
563	#include <inttypes.h>	624	#include <inttypes.h>
564	#if UINTMAX_MAX > 0xffffffffU	625	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565	#define ECB_PTRSIZE 8	626	#define ECB_PTRSIZE 8
566	#else	627	#else
567	#define ECB_PTRSIZE 4	628	#define ECB_PTRSIZE 4
568	#endif	629	#endif
569	#endif	630	#endif
570		631
		632	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		633	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		634
571	/* work around x32 idiocy by defining proper macros */	635	/* work around x32 idiocy by defining proper macros */
572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	636	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
573	#if _ILP32	637	#if _ILP32
574	#define ECB_AMD64_X32 1	638	#define ECB_AMD64_X32 1
575	#else	639	#else
576	#define ECB_AMD64 1	640	#define ECB_AMD64 1
577	#endif	641	#endif
…		…
582	* causing enormous grief in return for some better fake benchmark numbers.	646	* causing enormous grief in return for some better fake benchmark numbers.
583	* or so.	647	* or so.
584	* we try to detect these and simply assume they are not gcc - if they have	648	* we try to detect these and simply assume they are not gcc - if they have
585	* an issue with that they should have done it right in the first place.	649	* an issue with that they should have done it right in the first place.
586	*/	650	*/
587	#ifndef ECB_GCC_VERSION
588	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	651	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
589	#define ECB_GCC_VERSION(major,minor) 0	652	#define ECB_GCC_VERSION(major,minor) 0
590	#else	653	#else
591	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	654	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
592	#endif	655	#endif
		656
		657	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		658
		659	#if __clang__ && defined __has_builtin
		660	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		661	#else
		662	#define ECB_CLANG_BUILTIN(x) 0
		663	#endif
		664
		665	#if __clang__ && defined __has_extension
		666	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		667	#else
		668	#define ECB_CLANG_EXTENSION(x) 0
593	#endif	669	#endif
594		670
595	#define ECB_CPP (__cplusplus+0)	671	#define ECB_CPP (__cplusplus+0)
596	#define ECB_CPP11 (__cplusplus >= 201103L)	672	#define ECB_CPP11 (__cplusplus >= 201103L)
		673	#define ECB_CPP14 (__cplusplus >= 201402L)
		674	#define ECB_CPP17 (__cplusplus >= 201703L)
597		675
598	#if ECB_CPP	676	#if ECB_CPP
599	#define ECB_C 0	677	#define ECB_C 0
600	#define ECB_STDC_VERSION 0	678	#define ECB_STDC_VERSION 0
601	#else	679	#else
…		…
603	#define ECB_STDC_VERSION __STDC_VERSION__	681	#define ECB_STDC_VERSION __STDC_VERSION__
604	#endif	682	#endif
605		683
606	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	684	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
607	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	685	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		686	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
608		687
609	#if ECB_CPP	688	#if ECB_CPP
610	#define ECB_EXTERN_C extern "C"	689	#define ECB_EXTERN_C extern "C"
611	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	690	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
612	#define ECB_EXTERN_C_END }	691	#define ECB_EXTERN_C_END }
…		…
627		706
628	#if ECB_NO_SMP	707	#if ECB_NO_SMP
629	#define ECB_MEMORY_FENCE do { } while (0)	708	#define ECB_MEMORY_FENCE do { } while (0)
630	#endif	709	#endif
631		710
		711	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		712	#if __xlC__ && ECB_CPP
		713	#include <builtins.h>
		714	#endif
		715
		716	#if 1400 <= _MSC_VER
		717	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		718	#endif
		719
632	#ifndef ECB_MEMORY_FENCE	720	#ifndef ECB_MEMORY_FENCE
633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	721	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		722	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
634	#if __i386 || __i386__	723	#if __i386 || __i386__
635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	724	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	725	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	726	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	727	#elif ECB_GCC_AMD64
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	728	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	729	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	730	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	731	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	732	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		733	#elif defined __ARM_ARCH_2__ \
		734	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		735	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		736	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		737	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		738	|| defined __ARM_ARCH_5TEJ__
		739	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
644	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	740	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	741	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		742	|| defined __ARM_ARCH_6T2__
646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	743	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
647	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	744	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	745	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	746	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
650	#elif __aarch64__	747	#elif __aarch64__
651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
652	#elif (__sparc || __sparc__) && !__sparcv8	749	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	751	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	752	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
656	#elif defined __s390__ || defined __s390x__	753	#elif defined __s390__ || defined __s390x__
657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	754	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
680	#if ECB_GCC_VERSION(4,7)	777	#if ECB_GCC_VERSION(4,7)
681	/* see comment below (stdatomic.h) about the C11 memory model. */	778	/* see comment below (stdatomic.h) about the C11 memory model. */
682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	779	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	780	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	781	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		782	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
685		783
686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	784	#elif ECB_CLANG_EXTENSION(c_atomic)
687	* without risking compile time errors with other compilers. We *could*
688	* define our own ecb_clang_has_feature, but I just can't be bothered to work
689	* around this shit time and again.
690	* #elif defined __clang && __has_feature (cxx_atomic)
691	* // see comment below (stdatomic.h) about the C11 memory model.	785	/* see comment below (stdatomic.h) about the C11 memory model. */
692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	786	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	787	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	788	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
695	*/	789	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
696		790
697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	791	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
698	#define ECB_MEMORY_FENCE __sync_synchronize ()	792	#define ECB_MEMORY_FENCE __sync_synchronize ()
699	#elif _MSC_VER >= 1500 /* VC++ 2008 */	793	#elif _MSC_VER >= 1500 /* VC++ 2008 */
700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	794	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
710	#elif defined _WIN32	804	#elif defined _WIN32
711	#include <WinNT.h>	805	#include <WinNT.h>
712	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	806	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
713	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	807	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
714	#include <mbarrier.h>	808	#include <mbarrier.h>
715	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	809	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
716	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	810	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
717	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	811	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		812	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
718	#elif __xlC__	813	#elif __xlC__
719	#define ECB_MEMORY_FENCE __sync ()	814	#define ECB_MEMORY_FENCE __sync ()
720	#endif	815	#endif
721	#endif	816	#endif
722		817
723	#ifndef ECB_MEMORY_FENCE	818	#ifndef ECB_MEMORY_FENCE
724	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	819	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
725	/* we assume that these memory fences work on all variables/all memory accesses, */	820	/* we assume that these memory fences work on all variables/all memory accesses, */
726	/* not just C11 atomics and atomic accesses */	821	/* not just C11 atomics and atomic accesses */
727	#include <stdatomic.h>	822	#include <stdatomic.h>
728	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
729	/* any fence other than seq_cst, which isn't very efficient for us. */
730	/* Why that is, we don't know - either the C11 memory model is quite useless */
731	/* for most usages, or gcc and clang have a bug */
732	/* I *currently* lean towards the latter, and inefficiently implement */
733	/* all three of ecb's fences as a seq_cst fence */
734	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
735	/* for all __atomic_thread_fence's except seq_cst */
736	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	823	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		824	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		825	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
737	#endif	826	#endif
738	#endif	827	#endif
739		828
740	#ifndef ECB_MEMORY_FENCE	829	#ifndef ECB_MEMORY_FENCE
741	#if !ECB_AVOID_PTHREADS	830	#if !ECB_AVOID_PTHREADS
…		…
761		850
762	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	851	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	852	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
764	#endif	853	#endif
765		854
		855	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		856	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		857	#endif
		858
766	/*****************************************************************************/	859	/*****************************************************************************/
767		860
768	#if __cplusplus	861	#if ECB_CPP
769	#define ecb_inline static inline	862	#define ecb_inline static inline
770	#elif ECB_GCC_VERSION(2,5)	863	#elif ECB_GCC_VERSION(2,5)
771	#define ecb_inline static __inline__	864	#define ecb_inline static __inline__
772	#elif ECB_C99	865	#elif ECB_C99
773	#define ecb_inline static inline	866	#define ecb_inline static inline
…		…
787		880
788	#define ECB_CONCAT_(a, b) a ## b	881	#define ECB_CONCAT_(a, b) a ## b
789	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	882	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
790	#define ECB_STRINGIFY_(a) # a	883	#define ECB_STRINGIFY_(a) # a
791	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	884	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		885	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
792		886
793	#define ecb_function_ ecb_inline	887	#define ecb_function_ ecb_inline
794		888
795	#if ECB_GCC_VERSION(3,1)	889	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
796	#define ecb_attribute(attrlist) __attribute__(attrlist)	890	#define ecb_attribute(attrlist) __attribute__ (attrlist)
797	#define ecb_is_constant(expr) __builtin_constant_p (expr)
798	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
799	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
800	#else	891	#else
801	#define ecb_attribute(attrlist)	892	#define ecb_attribute(attrlist)
		893	#endif
802		894
		895	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		896	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		897	#else
803	/* possible C11 impl for integral types	898	/* possible C11 impl for integral types
804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	899	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
805	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	900	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
806		901
807	#define ecb_is_constant(expr) 0	902	#define ecb_is_constant(expr) 0
		903	#endif
		904
		905	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		906	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		907	#else
808	#define ecb_expect(expr,value) (expr)	908	#define ecb_expect(expr,value) (expr)
		909	#endif
		910
		911	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		912	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		913	#else
809	#define ecb_prefetch(addr,rw,locality)	914	#define ecb_prefetch(addr,rw,locality)
810	#endif	915	#endif
811		916
812	/* no emulation for ecb_decltype */	917	/* no emulation for ecb_decltype */
813	#if ECB_GCC_VERSION(4,5)	918	#if ECB_CPP11
		919	// older implementations might have problems with decltype(x)::type, work around it
		920	template<class T> struct ecb_decltype_t { typedef T type; };
814	#define ecb_decltype(x) __decltype(x)	921	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
815	#elif ECB_GCC_VERSION(3,0)	922	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
816	#define ecb_decltype(x) __typeof(x)	923	#define ecb_decltype(x) __typeof__ (x)
817	#endif	924	#endif
818		925
819	#if _MSC_VER >= 1300	926	#if _MSC_VER >= 1300
820	#define ecb_deprecated __declspec(deprecated)	927	#define ecb_deprecated __declspec (deprecated)
821	#else	928	#else
822	#define ecb_deprecated ecb_attribute ((__deprecated__))	929	#define ecb_deprecated ecb_attribute ((__deprecated__))
823	#endif	930	#endif
824		931
		932	#if _MSC_VER >= 1500
		933	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		934	#elif ECB_GCC_VERSION(4,5)
		935	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		936	#else
		937	#define ecb_deprecated_message(msg) ecb_deprecated
		938	#endif
		939
		940	#if _MSC_VER >= 1400
		941	#define ecb_noinline __declspec (noinline)
		942	#else
825	#define ecb_noinline ecb_attribute ((__noinline__))	943	#define ecb_noinline ecb_attribute ((__noinline__))
		944	#endif
		945
826	#define ecb_unused ecb_attribute ((__unused__))	946	#define ecb_unused ecb_attribute ((__unused__))
827	#define ecb_const ecb_attribute ((__const__))	947	#define ecb_const ecb_attribute ((__const__))
828	#define ecb_pure ecb_attribute ((__pure__))	948	#define ecb_pure ecb_attribute ((__pure__))
829		949
830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	950	#if ECB_C11 || __IBMC_NORETURN
831	#if ECB_C11	951	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
832	#define ecb_noreturn _Noreturn	952	#define ecb_noreturn _Noreturn
		953	#elif ECB_CPP11
		954	#define ecb_noreturn [[noreturn]]
		955	#elif _MSC_VER >= 1200
		956	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		957	#define ecb_noreturn __declspec (noreturn)
833	#else	958	#else
834	#define ecb_noreturn ecb_attribute ((__noreturn__))	959	#define ecb_noreturn ecb_attribute ((__noreturn__))
835	#endif	960	#endif
836		961
837	#if ECB_GCC_VERSION(4,3)	962	#if ECB_GCC_VERSION(4,3)
…		…
852	/* for compatibility to the rest of the world */	977	/* for compatibility to the rest of the world */
853	#define ecb_likely(expr) ecb_expect_true (expr)	978	#define ecb_likely(expr) ecb_expect_true (expr)
854	#define ecb_unlikely(expr) ecb_expect_false (expr)	979	#define ecb_unlikely(expr) ecb_expect_false (expr)
855		980
856	/* count trailing zero bits and count # of one bits */	981	/* count trailing zero bits and count # of one bits */
857	#if ECB_GCC_VERSION(3,4)	982	#if ECB_GCC_VERSION(3,4) \
		983	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		984	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		985	&& ECB_CLANG_BUILTIN(__builtin_popcount))
858	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	986	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
859	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	987	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
860	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	988	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
861	#define ecb_ctz32(x) __builtin_ctz (x)	989	#define ecb_ctz32(x) __builtin_ctz (x)
862	#define ecb_ctz64(x) __builtin_ctzll (x)	990	#define ecb_ctz64(x) __builtin_ctzll (x)
863	#define ecb_popcount32(x) __builtin_popcount (x)	991	#define ecb_popcount32(x) __builtin_popcount (x)
864	/* no popcountll */	992	/* no popcountll */
865	#else	993	#else
866	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	994	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
867	ecb_function_ int	995	ecb_function_ ecb_const int
868	ecb_ctz32 (uint32_t x)	996	ecb_ctz32 (uint32_t x)
869	{	997	{
		998	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		999	unsigned long r;
		1000	_BitScanForward (&r, x);
		1001	return (int)r;
		1002	#else
870	int r = 0;	1003	int r = 0;
871		1004
872	x &= ~x + 1; /* this isolates the lowest bit */	1005	x &= ~x + 1; /* this isolates the lowest bit */
873		1006
874	#if ECB_branchless_on_i386	1007	#if ECB_branchless_on_i386
…		…
884	if (x & 0xff00ff00) r += 8;	1017	if (x & 0xff00ff00) r += 8;
885	if (x & 0xffff0000) r += 16;	1018	if (x & 0xffff0000) r += 16;
886	#endif	1019	#endif
887		1020
888	return r;	1021	return r;
		1022	#endif
889	}	1023	}
890		1024
891	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1025	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
892	ecb_function_ int	1026	ecb_function_ ecb_const int
893	ecb_ctz64 (uint64_t x)	1027	ecb_ctz64 (uint64_t x)
894	{	1028	{
		1029	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1030	unsigned long r;
		1031	_BitScanForward64 (&r, x);
		1032	return (int)r;
		1033	#else
895	int shift = x & 0xffffffffU ? 0 : 32;	1034	int shift = x & 0xffffffff ? 0 : 32;
896	return ecb_ctz32 (x >> shift) + shift;	1035	return ecb_ctz32 (x >> shift) + shift;
		1036	#endif
897	}	1037	}
898		1038
899	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
900	ecb_function_ int	1040	ecb_function_ ecb_const int
901	ecb_popcount32 (uint32_t x)	1041	ecb_popcount32 (uint32_t x)
902	{	1042	{
903	x -= (x >> 1) & 0x55555555;	1043	x -= (x >> 1) & 0x55555555;
904	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1044	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
905	x = ((x >> 4) + x) & 0x0f0f0f0f;	1045	x = ((x >> 4) + x) & 0x0f0f0f0f;
906	x *= 0x01010101;	1046	x *= 0x01010101;
907		1047
908	return x >> 24;	1048	return x >> 24;
909	}	1049	}
910		1050
911	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1051	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
912	ecb_function_ int ecb_ld32 (uint32_t x)	1052	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
913	{	1053	{
		1054	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1055	unsigned long r;
		1056	_BitScanReverse (&r, x);
		1057	return (int)r;
		1058	#else
914	int r = 0;	1059	int r = 0;
915		1060
916	if (x >> 16) { x >>= 16; r += 16; }	1061	if (x >> 16) { x >>= 16; r += 16; }
917	if (x >> 8) { x >>= 8; r += 8; }	1062	if (x >> 8) { x >>= 8; r += 8; }
918	if (x >> 4) { x >>= 4; r += 4; }	1063	if (x >> 4) { x >>= 4; r += 4; }
919	if (x >> 2) { x >>= 2; r += 2; }	1064	if (x >> 2) { x >>= 2; r += 2; }
920	if (x >> 1) { r += 1; }	1065	if (x >> 1) { r += 1; }
921		1066
922	return r;	1067	return r;
		1068	#endif
923	}	1069	}
924		1070
925	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1071	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
926	ecb_function_ int ecb_ld64 (uint64_t x)	1072	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
927	{	1073	{
		1074	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1075	unsigned long r;
		1076	_BitScanReverse64 (&r, x);
		1077	return (int)r;
		1078	#else
928	int r = 0;	1079	int r = 0;
929		1080
930	if (x >> 32) { x >>= 32; r += 32; }	1081	if (x >> 32) { x >>= 32; r += 32; }
931		1082
932	return r + ecb_ld32 (x);	1083	return r + ecb_ld32 (x);
		1084	#endif
933	}	1085	}
934	#endif	1086	#endif
935		1087
936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1088	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
937	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1089	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
938	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1090	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
939	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1091	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
940		1092
941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1093	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1094	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
943	{	1095	{
944	return ( (x * 0x0802U & 0x22110U)	1096	return ( (x * 0x0802U & 0x22110U)
945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1097	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
946	}	1098	}
947		1099
948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1101	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
950	{	1102	{
951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1103	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1104	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1105	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
954	x = ( x >> 8 ) | ( x << 8);	1106	x = ( x >> 8 ) | ( x << 8);
955		1107
956	return x;	1108	return x;
957	}	1109	}
958		1110
959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1111	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1112	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
961	{	1113	{
962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1114	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1115	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1116	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1117	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
968	return x;	1120	return x;
969	}	1121	}
970		1122
971	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1123	/* popcount64 is only available on 64 bit cpus as gcc builtin */
972	/* so for this version we are lazy */	1124	/* so for this version we are lazy */
973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
974	ecb_function_ int	1126	ecb_function_ ecb_const int
975	ecb_popcount64 (uint64_t x)	1127	ecb_popcount64 (uint64_t x)
976	{	1128	{
977	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1129	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
978	}	1130	}
979		1131
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1132	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
981	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1133	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
982	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1134	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
983	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1135	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
984	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1136	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
985	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1137	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
986	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1138	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
987	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1139	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
988		1140
989	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1141	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
990	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1142	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
991	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1143	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
992	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1144	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
993	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1145	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
994	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1146	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
995	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1147	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
996	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1148	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
997		1149
998	#if ECB_GCC_VERSION(4,3)	1150	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1151	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1152	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1153	#else
999	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1154	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1155	#endif
1000	#define ecb_bswap32(x) __builtin_bswap32 (x)	1156	#define ecb_bswap32(x) __builtin_bswap32 (x)
1001	#define ecb_bswap64(x) __builtin_bswap64 (x)	1157	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1158	#elif _MSC_VER
		1159	#include <stdlib.h>
		1160	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1161	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1162	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1002	#else	1163	#else
1003	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1164	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1004	ecb_function_ uint16_t	1165	ecb_function_ ecb_const uint16_t
1005	ecb_bswap16 (uint16_t x)	1166	ecb_bswap16 (uint16_t x)
1006	{	1167	{
1007	return ecb_rotl16 (x, 8);	1168	return ecb_rotl16 (x, 8);
1008	}	1169	}
1009		1170
1010	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1171	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1011	ecb_function_ uint32_t	1172	ecb_function_ ecb_const uint32_t
1012	ecb_bswap32 (uint32_t x)	1173	ecb_bswap32 (uint32_t x)
1013	{	1174	{
1014	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1175	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1015	}	1176	}
1016		1177
1017	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1178	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1018	ecb_function_ uint64_t	1179	ecb_function_ ecb_const uint64_t
1019	ecb_bswap64 (uint64_t x)	1180	ecb_bswap64 (uint64_t x)
1020	{	1181	{
1021	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1182	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1022	}	1183	}
1023	#endif	1184	#endif
1024		1185
1025	#if ECB_GCC_VERSION(4,5)	1186	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1026	#define ecb_unreachable() __builtin_unreachable ()	1187	#define ecb_unreachable() __builtin_unreachable ()
1027	#else	1188	#else
1028	/* this seems to work fine, but gcc always emits a warning for it :/ */	1189	/* this seems to work fine, but gcc always emits a warning for it :/ */
1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1190	ecb_inline ecb_noreturn void ecb_unreachable (void);
1030	ecb_inline void ecb_unreachable (void) { }	1191	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1031	#endif	1192	#endif
1032		1193
1033	/* try to tell the compiler that some condition is definitely true */	1194	/* try to tell the compiler that some condition is definitely true */
1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1195	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1035		1196
1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1197	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1037	ecb_inline unsigned char	1198	ecb_inline ecb_const uint32_t
1038	ecb_byteorder_helper (void)	1199	ecb_byteorder_helper (void)
1039	{	1200	{
1040	/* the union code still generates code under pressure in gcc, */	1201	/* the union code still generates code under pressure in gcc, */
1041	/* but less than using pointers, and always seems to */	1202	/* but less than using pointers, and always seems to */
1042	/* successfully return a constant. */	1203	/* successfully return a constant. */
1043	/* the reason why we have this horrible preprocessor mess */	1204	/* the reason why we have this horrible preprocessor mess */
1044	/* is to avoid it in all cases, at least on common architectures */	1205	/* is to avoid it in all cases, at least on common architectures */
1045	/* or when using a recent enough gcc version (>= 4.6) */	1206	/* or when using a recent enough gcc version (>= 4.6) */
1046	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1047	return 0x44;
1048	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1207	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1208	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1209	#define ECB_LITTLE_ENDIAN 1
1049	return 0x44;	1210	return 0x44332211;
1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1211	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1212	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1213	#define ECB_BIG_ENDIAN 1
1051	return 0x11;	1214	return 0x11223344;
1052	#else	1215	#else
1053	union	1216	union
1054	{	1217	{
		1218	uint8_t c[4];
1055	uint32_t i;	1219	uint32_t u;
1056	uint8_t c;
1057	} u = { 0x11223344 };	1220	} u = { 0x11, 0x22, 0x33, 0x44 };
1058	return u.c;	1221	return u.u;
1059	#endif	1222	#endif
1060	}	1223	}
1061		1224
1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1225	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1226	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1064	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1227	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1228	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1066		1229
1067	#if ECB_GCC_VERSION(3,0) || ECB_C99	1230	#if ECB_GCC_VERSION(3,0) || ECB_C99
1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1231	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1069	#else	1232	#else
1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1233	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1071	#endif	1234	#endif
1072		1235
1073	#if __cplusplus	1236	#if ECB_CPP
1074	template<typename T>	1237	template<typename T>
1075	static inline T ecb_div_rd (T val, T div)	1238	static inline T ecb_div_rd (T val, T div)
1076	{	1239	{
1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1240	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1078	}	1241	}
…		…
1095	}	1258	}
1096	#else	1259	#else
1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1260	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1098	#endif	1261	#endif
1099		1262
		1263	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1264	ecb_function_ ecb_const uint32_t
		1265	ecb_binary16_to_binary32 (uint32_t x)
		1266	{
		1267	unsigned int s = (x & 0x8000) << (31 - 15);
		1268	int e = (x >> 10) & 0x001f;
		1269	unsigned int m = x & 0x03ff;
		1270
		1271	if (ecb_expect_false (e == 31))
		1272	/* infinity or NaN */
		1273	e = 255 - (127 - 15);
		1274	else if (ecb_expect_false (!e))
		1275	{
		1276	if (ecb_expect_true (!m))
		1277	/* zero, handled by code below by forcing e to 0 */
		1278	e = 0 - (127 - 15);
		1279	else
		1280	{
		1281	/* subnormal, renormalise */
		1282	unsigned int s = 10 - ecb_ld32 (m);
		1283
		1284	m = (m << s) & 0x3ff; /* mask implicit bit */
		1285	e -= s - 1;
		1286	}
		1287	}
		1288
		1289	/* e and m now are normalised, or zero, (or inf or nan) */
		1290	e += 127 - 15;
		1291
		1292	return s | (e << 23) | (m << (23 - 10));
		1293	}
		1294
		1295	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1296	ecb_function_ ecb_const uint16_t
		1297	ecb_binary32_to_binary16 (uint32_t x)
		1298	{
		1299	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1300	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1301	unsigned int m = x & 0x007fffff;
		1302
		1303	x &= 0x7fffffff;
		1304
		1305	/* if it's within range of binary16 normals, use fast path */
		1306	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1307	{
		1308	/* mantissa round-to-even */
		1309	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1310
		1311	/* handle overflow */
		1312	if (ecb_expect_false (m >= 0x00800000))
		1313	{
		1314	m >>= 1;
		1315	e += 1;
		1316	}
		1317
		1318	return s | (e << 10) | (m >> (23 - 10));
		1319	}
		1320
		1321	/* handle large numbers and infinity */
		1322	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1323	return s | 0x7c00;
		1324
		1325	/* handle zero, subnormals and small numbers */
		1326	if (ecb_expect_true (x < 0x38800000))
		1327	{
		1328	/* zero */
		1329	if (ecb_expect_true (!x))
		1330	return s;
		1331
		1332	/* handle subnormals */
		1333
		1334	/* too small, will be zero */
		1335	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1336	return s;
		1337
		1338	m |= 0x00800000; /* make implicit bit explicit */
		1339
		1340	/* very tricky - we need to round to the nearest e (+10) bit value */
		1341	{
		1342	unsigned int bits = 14 - e;
		1343	unsigned int half = (1 << (bits - 1)) - 1;
		1344	unsigned int even = (m >> bits) & 1;
		1345
		1346	/* if this overflows, we will end up with a normalised number */
		1347	m = (m + half + even) >> bits;
		1348	}
		1349
		1350	return s | m;
		1351	}
		1352
		1353	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1354	m >>= 13;
		1355
		1356	return s | 0x7c00 | m | !m;
		1357	}
		1358
1100	/*******************************************************************************/	1359	/*******************************************************************************/
1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1360	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1102		1361
1103	/* basically, everything uses "ieee pure-endian" floating point numbers */	1362	/* basically, everything uses "ieee pure-endian" floating point numbers */
1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1363	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1105	#if 0 \	1364	#if 0 \
1106	|| __i386 || __i386__ \	1365	|| __i386 || __i386__ \
1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1366	|| ECB_GCC_AMD64 \
1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1367	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1109	|| defined __s390__ || defined __s390x__ \	1368	|| defined __s390__ || defined __s390x__ \
1110	|| defined __mips__ \	1369	|| defined __mips__ \
1111	|| defined __alpha__ \	1370	|| defined __alpha__ \
1112	|| defined __hppa__ \	1371	|| defined __hppa__ \
1113	|| defined __ia64__ \	1372	|| defined __ia64__ \
1114	|| defined __m68k__ \	1373	|| defined __m68k__ \
1115	|| defined __m88k__ \	1374	|| defined __m88k__ \
1116	|| defined __sh__ \	1375	|| defined __sh__ \
1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1376	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1118	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1377	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1119	|| defined __aarch64__	1378	|| defined __aarch64__
1120	#define ECB_STDFP 1	1379	#define ECB_STDFP 1
1121	#include <string.h> /* for memcpy */	1380	#include <string.h> /* for memcpy */
1122	#else	1381	#else
…		…
1138	#define ECB_NAN NAN	1397	#define ECB_NAN NAN
1139	#else	1398	#else
1140	#define ECB_NAN ECB_INFINITY	1399	#define ECB_NAN ECB_INFINITY
1141	#endif	1400	#endif
1142		1401
1143	/* converts an ieee half/binary16 to a float */	1402	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1403	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1145	ecb_function_ float	1404	#define ecb_frexpf(x,e) frexpf ((x), (e))
1146	ecb_binary16_to_float (uint16_t x)	1405	#else
1147	{	1406	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1148	int e = (x >> 10) & 0x1f;	1407	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1149	int m = x & 0x3ff;	1408	#endif
1150	float r;
1151
1152	if (!e ) r = ldexpf (m , -24);
1153	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1154	else if (m ) r = ECB_NAN;
1155	else r = ECB_INFINITY;
1156
1157	return x & 0x8000 ? -r : r;
1158	}
1159		1409
1160	/* convert a float to ieee single/binary32 */	1410	/* convert a float to ieee single/binary32 */
1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1411	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1162	ecb_function_ uint32_t	1412	ecb_function_ ecb_const uint32_t
1163	ecb_float_to_binary32 (float x)	1413	ecb_float_to_binary32 (float x)
1164	{	1414	{
1165	uint32_t r;	1415	uint32_t r;
1166		1416
1167	#if ECB_STDFP	1417	#if ECB_STDFP
…		…
1174	if (x == 0e0f ) return 0x00000000U;	1424	if (x == 0e0f ) return 0x00000000U;
1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1425	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1426	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1177	if (x != x ) return 0x7fbfffffU;	1427	if (x != x ) return 0x7fbfffffU;
1178		1428
1179	m = frexpf (x, &e) * 0x1000000U;	1429	m = ecb_frexpf (x, &e) * 0x1000000U;
1180		1430
1181	r = m & 0x80000000U;	1431	r = m & 0x80000000U;
1182		1432
1183	if (r)	1433	if (r)
1184	m = -m;	1434	m = -m;
…		…
1196		1446
1197	return r;	1447	return r;
1198	}	1448	}
1199		1449
1200	/* converts an ieee single/binary32 to a float */	1450	/* converts an ieee single/binary32 to a float */
1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1451	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1202	ecb_function_ float	1452	ecb_function_ ecb_const float
1203	ecb_binary32_to_float (uint32_t x)	1453	ecb_binary32_to_float (uint32_t x)
1204	{	1454	{
1205	float r;	1455	float r;
1206		1456
1207	#if ECB_STDFP	1457	#if ECB_STDFP
…		…
1217	x |= 0x800000U;	1467	x |= 0x800000U;
1218	else	1468	else
1219	e = 1;	1469	e = 1;
1220		1470
1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1471	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1472	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1223		1473
1224	r = neg ? -r : r;	1474	r = neg ? -r : r;
1225	#endif	1475	#endif
1226		1476
1227	return r;	1477	return r;
1228	}	1478	}
1229		1479
1230	/* convert a double to ieee double/binary64 */	1480	/* convert a double to ieee double/binary64 */
1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1481	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1232	ecb_function_ uint64_t	1482	ecb_function_ ecb_const uint64_t
1233	ecb_double_to_binary64 (double x)	1483	ecb_double_to_binary64 (double x)
1234	{	1484	{
1235	uint64_t r;	1485	uint64_t r;
1236		1486
1237	#if ECB_STDFP	1487	#if ECB_STDFP
…		…
1266		1516
1267	return r;	1517	return r;
1268	}	1518	}
1269		1519
1270	/* converts an ieee double/binary64 to a double */	1520	/* converts an ieee double/binary64 to a double */
1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1521	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1272	ecb_function_ double	1522	ecb_function_ ecb_const double
1273	ecb_binary64_to_double (uint64_t x)	1523	ecb_binary64_to_double (uint64_t x)
1274	{	1524	{
1275	double r;	1525	double r;
1276		1526
1277	#if ECB_STDFP	1527	#if ECB_STDFP
…		…
1295	#endif	1545	#endif
1296		1546
1297	return r;	1547	return r;
1298	}	1548	}
1299		1549
		1550	/* convert a float to ieee half/binary16 */
		1551	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1552	ecb_function_ ecb_const uint16_t
		1553	ecb_float_to_binary16 (float x)
		1554	{
		1555	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1556	}
		1557
		1558	/* convert an ieee half/binary16 to float */
		1559	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1560	ecb_function_ ecb_const float
		1561	ecb_binary16_to_float (uint16_t x)
		1562	{
		1563	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1564	}
		1565
1300	#endif	1566	#endif
1301		1567
1302	#endif	1568	#endif
1303		1569
1304	/* ECB.H END */	1570	/* ECB.H END */
1305		1571
1306	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1572	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1307	/* if your architecture doesn't need memory fences, e.g. because it is	1573	/* if your architecture doesn't need memory fences, e.g. because it is
1308	* single-cpu/core, or if you use libev in a project that doesn't use libev	1574	* single-cpu/core, or if you use libev in a project that doesn't use libev
1309	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1575	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1310	* libev, in which cases the memory fences become nops.	1576	* libev, in which cases the memory fences become nops.
1311	* alternatively, you can remove this #error and link against libpthread,	1577	* alternatively, you can remove this #error and link against libpthread,
1312	* which will then provide the memory fences.	1578	* which will then provide the memory fences.
1313	*/	1579	*/
1314	# error "memory fences not defined for your architecture, please report"	1580	# error "memory fences not defined for your architecture, please report"
…		…
1318	# define ECB_MEMORY_FENCE do { } while (0)	1584	# define ECB_MEMORY_FENCE do { } while (0)
1319	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1585	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1320	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1586	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1321	#endif	1587	#endif
1322		1588
1323	#define expect_false(cond) ecb_expect_false (cond)
1324	#define expect_true(cond) ecb_expect_true (cond)
1325	#define noinline ecb_noinline
1326
1327	#define inline_size ecb_inline	1589	#define inline_size ecb_inline
1328		1590
1329	#if EV_FEATURE_CODE	1591	#if EV_FEATURE_CODE
1330	# define inline_speed ecb_inline	1592	# define inline_speed ecb_inline
1331	#else	1593	#else
1332	# define inline_speed static noinline	1594	# define inline_speed ecb_noinline static
1333	#endif	1595	#endif
		1596
		1597	/*****************************************************************************/
		1598	/* raw syscall wrappers */
		1599
		1600	#if EV_NEED_SYSCALL
		1601
		1602	#include <sys/syscall.h>
		1603
		1604	/*
		1605	* define some syscall wrappers for common architectures
		1606	* this is mostly for nice looks during debugging, not performance.
		1607	* our syscalls return < 0, not == -1, on error. which is good
		1608	* enough for linux aio.
		1609	* TODO: arm is also common nowadays, maybe even mips and x86
		1610	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1611	*/
		1612	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1613	/* the costly errno access probably kills this for size optimisation */
		1614
		1615	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1616	({ \
		1617	long res; \
		1618	register unsigned long r6 __asm__ ("r9" ); \
		1619	register unsigned long r5 __asm__ ("r8" ); \
		1620	register unsigned long r4 __asm__ ("r10"); \
		1621	register unsigned long r3 __asm__ ("rdx"); \
		1622	register unsigned long r2 __asm__ ("rsi"); \
		1623	register unsigned long r1 __asm__ ("rdi"); \
		1624	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1625	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1626	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1627	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1628	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1629	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1630	__asm__ __volatile__ ( \
		1631	"syscall\n\t" \
		1632	: "=a" (res) \
		1633	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1634	: "cc", "r11", "cx", "memory"); \
		1635	errno = -res; \
		1636	res; \
		1637	})
		1638
		1639	#endif
		1640
		1641	#ifdef ev_syscall
		1642	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1643	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1644	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1645	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1646	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1647	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1648	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1649	#else
		1650	#define ev_syscall0(nr) syscall (nr)
		1651	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1652	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1653	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1654	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1655	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1656	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1657	#endif
		1658
		1659	#endif
		1660
		1661	/*****************************************************************************/
1334		1662
1335	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1663	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1336		1664
1337	#if EV_MINPRI == EV_MAXPRI	1665	#if EV_MINPRI == EV_MAXPRI
1338	# define ABSPRI(w) (((W)w), 0)	1666	# define ABSPRI(w) (((W)w), 0)
1339	#else	1667	#else
1340	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1668	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1341	#endif	1669	#endif
1342		1670
1343	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1671	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1344	#define EMPTY2(a,b) /* used to suppress some warnings */
1345		1672
1346	typedef ev_watcher *W;	1673	typedef ev_watcher *W;
1347	typedef ev_watcher_list *WL;	1674	typedef ev_watcher_list *WL;
1348	typedef ev_watcher_time *WT;	1675	typedef ev_watcher_time *WT;
1349		1676
…		…
1374	# include "ev_win32.c"	1701	# include "ev_win32.c"
1375	#endif	1702	#endif
1376		1703
1377	/*****************************************************************************/	1704	/*****************************************************************************/
1378		1705
		1706	#if EV_USE_LINUXAIO
		1707	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1708	#endif
		1709
1379	/* define a suitable floor function (only used by periodics atm) */	1710	/* define a suitable floor function (only used by periodics atm) */
1380		1711
1381	#if EV_USE_FLOOR	1712	#if EV_USE_FLOOR
1382	# include <math.h>	1713	# include <math.h>
1383	# define ev_floor(v) floor (v)	1714	# define ev_floor(v) floor (v)
1384	#else	1715	#else
1385		1716
1386	#include <float.h>	1717	#include <float.h>
1387		1718
1388	/* a floor() replacement function, should be independent of ev_tstamp type */	1719	/* a floor() replacement function, should be independent of ev_tstamp type */
		1720	ecb_noinline
1389	static ev_tstamp noinline	1721	static ev_tstamp
1390	ev_floor (ev_tstamp v)	1722	ev_floor (ev_tstamp v)
1391	{	1723	{
1392	/* the choice of shift factor is not terribly important */	1724	/* the choice of shift factor is not terribly important */
1393	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1725	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1394	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1726	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1395	#else	1727	#else
1396	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1397	#endif	1729	#endif
1398		1730
1399	/* argument too large for an unsigned long? */	1731	/* argument too large for an unsigned long? */
1400	if (expect_false (v >= shift))	1732	if (ecb_expect_false (v >= shift))
1401	{	1733	{
1402	ev_tstamp f;	1734	ev_tstamp f;
1403		1735
1404	if (v == v - 1.)	1736	if (v == v - 1.)
1405	return v; /* very large number */	1737	return v; /* very large number */
…		…
1407	f = shift * ev_floor (v * (1. / shift));	1739	f = shift * ev_floor (v * (1. / shift));
1408	return f + ev_floor (v - f);	1740	return f + ev_floor (v - f);
1409	}	1741	}
1410		1742
1411	/* special treatment for negative args? */	1743	/* special treatment for negative args? */
1412	if (expect_false (v < 0.))	1744	if (ecb_expect_false (v < 0.))
1413	{	1745	{
1414	ev_tstamp f = -ev_floor (-v);	1746	ev_tstamp f = -ev_floor (-v);
1415		1747
1416	return f - (f == v ? 0 : 1);	1748	return f - (f == v ? 0 : 1);
1417	}	1749	}
…		…
1426		1758
1427	#ifdef __linux	1759	#ifdef __linux
1428	# include <sys/utsname.h>	1760	# include <sys/utsname.h>
1429	#endif	1761	#endif
1430		1762
1431	static unsigned int noinline ecb_cold	1763	ecb_noinline ecb_cold
		1764	static unsigned int
1432	ev_linux_version (void)	1765	ev_linux_version (void)
1433	{	1766	{
1434	#ifdef __linux	1767	#ifdef __linux
1435	unsigned int v = 0;	1768	unsigned int v = 0;
1436	struct utsname buf;	1769	struct utsname buf;
…		…
1465	}	1798	}
1466		1799
1467	/*****************************************************************************/	1800	/*****************************************************************************/
1468		1801
1469	#if EV_AVOID_STDIO	1802	#if EV_AVOID_STDIO
1470	static void noinline ecb_cold	1803	ecb_noinline ecb_cold
		1804	static void
1471	ev_printerr (const char *msg)	1805	ev_printerr (const char *msg)
1472	{	1806	{
1473	write (STDERR_FILENO, msg, strlen (msg));	1807	write (STDERR_FILENO, msg, strlen (msg));
1474	}	1808	}
1475	#endif	1809	#endif
1476		1810
1477	static void (*syserr_cb)(const char *msg) EV_THROW;	1811	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1478		1812
1479	void ecb_cold	1813	ecb_cold
		1814	void
1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1815	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1481	{	1816	{
1482	syserr_cb = cb;	1817	syserr_cb = cb;
1483	}	1818	}
1484		1819
1485	static void noinline ecb_cold	1820	ecb_noinline ecb_cold
		1821	static void
1486	ev_syserr (const char *msg)	1822	ev_syserr (const char *msg)
1487	{	1823	{
1488	if (!msg)	1824	if (!msg)
1489	msg = "(libev) system error";	1825	msg = "(libev) system error";
1490		1826
…		…
1503	abort ();	1839	abort ();
1504	}	1840	}
1505	}	1841	}
1506		1842
1507	static void *	1843	static void *
1508	ev_realloc_emul (void *ptr, long size) EV_THROW	1844	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1509	{	1845	{
1510	/* some systems, notably openbsd and darwin, fail to properly	1846	/* some systems, notably openbsd and darwin, fail to properly
1511	* implement realloc (x, 0) (as required by both ansi c-89 and	1847	* implement realloc (x, 0) (as required by both ansi c-89 and
1512	* the single unix specification, so work around them here.	1848	* the single unix specification, so work around them here.
1513	* recently, also (at least) fedora and debian started breaking it,	1849	* recently, also (at least) fedora and debian started breaking it,
…		…
1519		1855
1520	free (ptr);	1856	free (ptr);
1521	return 0;	1857	return 0;
1522	}	1858	}
1523		1859
1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1860	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1525		1861
1526	void ecb_cold	1862	ecb_cold
		1863	void
1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1864	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1528	{	1865	{
1529	alloc = cb;	1866	alloc = cb;
1530	}	1867	}
1531		1868
1532	inline_speed void *	1869	inline_speed void *
…		…
1559	typedef struct	1896	typedef struct
1560	{	1897	{
1561	WL head;	1898	WL head;
1562	unsigned char events; /* the events watched for */	1899	unsigned char events; /* the events watched for */
1563	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1900	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1564	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1901	unsigned char emask; /* some backends store the actual kernel mask in here */
1565	unsigned char unused;	1902	unsigned char eflags; /* flags field for use by backends */
1566	#if EV_USE_EPOLL	1903	#if EV_USE_EPOLL
1567	unsigned int egen; /* generation counter to counter epoll bugs */	1904	unsigned int egen; /* generation counter to counter epoll bugs */
1568	#endif	1905	#endif
1569	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1906	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1570	SOCKET handle;	1907	SOCKET handle;
…		…
1634	static int ev_default_loop_ptr;	1971	static int ev_default_loop_ptr;
1635		1972
1636	#endif	1973	#endif
1637		1974
1638	#if EV_FEATURE_API	1975	#if EV_FEATURE_API
1639	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1976	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1640	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1977	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1641	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1978	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1642	#else	1979	#else
1643	# define EV_RELEASE_CB (void)0	1980	# define EV_RELEASE_CB (void)0
1644	# define EV_ACQUIRE_CB (void)0	1981	# define EV_ACQUIRE_CB (void)0
1645	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1982	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1649		1986
1650	/*****************************************************************************/	1987	/*****************************************************************************/
1651		1988
1652	#ifndef EV_HAVE_EV_TIME	1989	#ifndef EV_HAVE_EV_TIME
1653	ev_tstamp	1990	ev_tstamp
1654	ev_time (void) EV_THROW	1991	ev_time (void) EV_NOEXCEPT
1655	{	1992	{
1656	#if EV_USE_REALTIME	1993	#if EV_USE_REALTIME
1657	if (expect_true (have_realtime))	1994	if (ecb_expect_true (have_realtime))
1658	{	1995	{
1659	struct timespec ts;	1996	struct timespec ts;
1660	clock_gettime (CLOCK_REALTIME, &ts);	1997	clock_gettime (CLOCK_REALTIME, &ts);
1661	return ts.tv_sec + ts.tv_nsec * 1e-9;	1998	return ts.tv_sec + ts.tv_nsec * 1e-9;
1662	}	1999	}
…		…
1670		2007
1671	inline_size ev_tstamp	2008	inline_size ev_tstamp
1672	get_clock (void)	2009	get_clock (void)
1673	{	2010	{
1674	#if EV_USE_MONOTONIC	2011	#if EV_USE_MONOTONIC
1675	if (expect_true (have_monotonic))	2012	if (ecb_expect_true (have_monotonic))
1676	{	2013	{
1677	struct timespec ts;	2014	struct timespec ts;
1678	clock_gettime (CLOCK_MONOTONIC, &ts);	2015	clock_gettime (CLOCK_MONOTONIC, &ts);
1679	return ts.tv_sec + ts.tv_nsec * 1e-9;	2016	return ts.tv_sec + ts.tv_nsec * 1e-9;
1680	}	2017	}
…		…
1683	return ev_time ();	2020	return ev_time ();
1684	}	2021	}
1685		2022
1686	#if EV_MULTIPLICITY	2023	#if EV_MULTIPLICITY
1687	ev_tstamp	2024	ev_tstamp
1688	ev_now (EV_P) EV_THROW	2025	ev_now (EV_P) EV_NOEXCEPT
1689	{	2026	{
1690	return ev_rt_now;	2027	return ev_rt_now;
1691	}	2028	}
1692	#endif	2029	#endif
1693		2030
1694	void	2031	void
1695	ev_sleep (ev_tstamp delay) EV_THROW	2032	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1696	{	2033	{
1697	if (delay > 0.)	2034	if (delay > 0.)
1698	{	2035	{
1699	#if EV_USE_NANOSLEEP	2036	#if EV_USE_NANOSLEEP
1700	struct timespec ts;	2037	struct timespec ts;
1701		2038
1702	EV_TS_SET (ts, delay);	2039	EV_TS_SET (ts, delay);
1703	nanosleep (&ts, 0);	2040	nanosleep (&ts, 0);
1704	#elif defined _WIN32	2041	#elif defined _WIN32
		2042	/* maybe this should round up, as ms is very low resolution */
		2043	/* compared to select (µs) or nanosleep (ns) */
1705	Sleep ((unsigned long)(delay * 1e3));	2044	Sleep ((unsigned long)(delay * 1e3));
1706	#else	2045	#else
1707	struct timeval tv;	2046	struct timeval tv;
1708		2047
1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2048	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1740	}	2079	}
1741		2080
1742	return ncur;	2081	return ncur;
1743	}	2082	}
1744		2083
1745	static void * noinline ecb_cold	2084	ecb_noinline ecb_cold
		2085	static void *
1746	array_realloc (int elem, void *base, int *cur, int cnt)	2086	array_realloc (int elem, void *base, int *cur, int cnt)
1747	{	2087	{
1748	*cur = array_nextsize (elem, *cur, cnt);	2088	*cur = array_nextsize (elem, *cur, cnt);
1749	return ev_realloc (base, elem * *cur);	2089	return ev_realloc (base, elem * *cur);
1750	}	2090	}
1751		2091
		2092	#define array_needsize_noinit(base,offset,count)
		2093
1752	#define array_init_zero(base,count) \	2094	#define array_needsize_zerofill(base,offset,count) \
1753	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2095	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1754		2096
1755	#define array_needsize(type,base,cur,cnt,init) \	2097	#define array_needsize(type,base,cur,cnt,init) \
1756	if (expect_false ((cnt) > (cur))) \	2098	if (ecb_expect_false ((cnt) > (cur))) \
1757	{ \	2099	{ \
1758	int ecb_unused ocur_ = (cur); \	2100	ecb_unused int ocur_ = (cur); \
1759	(base) = (type *)array_realloc \	2101	(base) = (type *)array_realloc \
1760	(sizeof (type), (base), &(cur), (cnt)); \	2102	(sizeof (type), (base), &(cur), (cnt)); \
1761	init ((base) + (ocur_), (cur) - ocur_); \	2103	init ((base), ocur_, ((cur) - ocur_)); \
1762	}	2104	}
1763		2105
1764	#if 0	2106	#if 0
1765	#define array_slim(type,stem) \	2107	#define array_slim(type,stem) \
1766	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2108	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1775	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2117	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1776		2118
1777	/*****************************************************************************/	2119	/*****************************************************************************/
1778		2120
1779	/* dummy callback for pending events */	2121	/* dummy callback for pending events */
1780	static void noinline	2122	ecb_noinline
		2123	static void
1781	pendingcb (EV_P_ ev_prepare *w, int revents)	2124	pendingcb (EV_P_ ev_prepare *w, int revents)
1782	{	2125	{
1783	}	2126	}
1784		2127
1785	void noinline	2128	ecb_noinline
		2129	void
1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2130	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1787	{	2131	{
1788	W w_ = (W)w;	2132	W w_ = (W)w;
1789	int pri = ABSPRI (w_);	2133	int pri = ABSPRI (w_);
1790		2134
1791	if (expect_false (w_->pending))	2135	if (ecb_expect_false (w_->pending))
1792	pendings [pri][w_->pending - 1].events |= revents;	2136	pendings [pri][w_->pending - 1].events |= revents;
1793	else	2137	else
1794	{	2138	{
1795	w_->pending = ++pendingcnt [pri];	2139	w_->pending = ++pendingcnt [pri];
1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2140	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1797	pendings [pri][w_->pending - 1].w = w_;	2141	pendings [pri][w_->pending - 1].w = w_;
1798	pendings [pri][w_->pending - 1].events = revents;	2142	pendings [pri][w_->pending - 1].events = revents;
1799	}	2143	}
1800		2144
1801	pendingpri = NUMPRI - 1;	2145	pendingpri = NUMPRI - 1;
1802	}	2146	}
1803		2147
1804	inline_speed void	2148	inline_speed void
1805	feed_reverse (EV_P_ W w)	2149	feed_reverse (EV_P_ W w)
1806	{	2150	{
1807	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2151	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1808	rfeeds [rfeedcnt++] = w;	2152	rfeeds [rfeedcnt++] = w;
1809	}	2153	}
1810		2154
1811	inline_size void	2155	inline_size void
1812	feed_reverse_done (EV_P_ int revents)	2156	feed_reverse_done (EV_P_ int revents)
…		…
1847	inline_speed void	2191	inline_speed void
1848	fd_event (EV_P_ int fd, int revents)	2192	fd_event (EV_P_ int fd, int revents)
1849	{	2193	{
1850	ANFD *anfd = anfds + fd;	2194	ANFD *anfd = anfds + fd;
1851		2195
1852	if (expect_true (!anfd->reify))	2196	if (ecb_expect_true (!anfd->reify))
1853	fd_event_nocheck (EV_A_ fd, revents);	2197	fd_event_nocheck (EV_A_ fd, revents);
1854	}	2198	}
1855		2199
1856	void	2200	void
1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2201	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1858	{	2202	{
1859	if (fd >= 0 && fd < anfdmax)	2203	if (fd >= 0 && fd < anfdmax)
1860	fd_event_nocheck (EV_A_ fd, revents);	2204	fd_event_nocheck (EV_A_ fd, revents);
1861	}	2205	}
1862		2206
…		…
1899	ev_io *w;	2243	ev_io *w;
1900		2244
1901	unsigned char o_events = anfd->events;	2245	unsigned char o_events = anfd->events;
1902	unsigned char o_reify = anfd->reify;	2246	unsigned char o_reify = anfd->reify;
1903		2247
1904	anfd->reify = 0;	2248	anfd->reify = 0;
1905		2249
1906	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2250	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1907	{	2251	{
1908	anfd->events = 0;	2252	anfd->events = 0;
1909		2253
1910	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2254	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1911	anfd->events |= (unsigned char)w->events;	2255	anfd->events |= (unsigned char)w->events;
…		…
1920		2264
1921	fdchangecnt = 0;	2265	fdchangecnt = 0;
1922	}	2266	}
1923		2267
1924	/* something about the given fd changed */	2268	/* something about the given fd changed */
1925	inline_size void	2269	inline_size
		2270	void
1926	fd_change (EV_P_ int fd, int flags)	2271	fd_change (EV_P_ int fd, int flags)
1927	{	2272	{
1928	unsigned char reify = anfds [fd].reify;	2273	unsigned char reify = anfds [fd].reify;
1929	anfds [fd].reify |= flags;	2274	anfds [fd].reify |= flags;
1930		2275
1931	if (expect_true (!reify))	2276	if (ecb_expect_true (!reify))
1932	{	2277	{
1933	++fdchangecnt;	2278	++fdchangecnt;
1934	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2279	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1935	fdchanges [fdchangecnt - 1] = fd;	2280	fdchanges [fdchangecnt - 1] = fd;
1936	}	2281	}
1937	}	2282	}
1938		2283
1939	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2284	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1940	inline_speed void ecb_cold	2285	inline_speed ecb_cold void
1941	fd_kill (EV_P_ int fd)	2286	fd_kill (EV_P_ int fd)
1942	{	2287	{
1943	ev_io *w;	2288	ev_io *w;
1944		2289
1945	while ((w = (ev_io *)anfds [fd].head))	2290	while ((w = (ev_io *)anfds [fd].head))
…		…
1948	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2293	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1949	}	2294	}
1950	}	2295	}
1951		2296
1952	/* check whether the given fd is actually valid, for error recovery */	2297	/* check whether the given fd is actually valid, for error recovery */
1953	inline_size int ecb_cold	2298	inline_size ecb_cold int
1954	fd_valid (int fd)	2299	fd_valid (int fd)
1955	{	2300	{
1956	#ifdef _WIN32	2301	#ifdef _WIN32
1957	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2302	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1958	#else	2303	#else
1959	return fcntl (fd, F_GETFD) != -1;	2304	return fcntl (fd, F_GETFD) != -1;
1960	#endif	2305	#endif
1961	}	2306	}
1962		2307
1963	/* called on EBADF to verify fds */	2308	/* called on EBADF to verify fds */
1964	static void noinline ecb_cold	2309	ecb_noinline ecb_cold
		2310	static void
1965	fd_ebadf (EV_P)	2311	fd_ebadf (EV_P)
1966	{	2312	{
1967	int fd;	2313	int fd;
1968		2314
1969	for (fd = 0; fd < anfdmax; ++fd)	2315	for (fd = 0; fd < anfdmax; ++fd)
…		…
1971	if (!fd_valid (fd) && errno == EBADF)	2317	if (!fd_valid (fd) && errno == EBADF)
1972	fd_kill (EV_A_ fd);	2318	fd_kill (EV_A_ fd);
1973	}	2319	}
1974		2320
1975	/* called on ENOMEM in select/poll to kill some fds and retry */	2321	/* called on ENOMEM in select/poll to kill some fds and retry */
1976	static void noinline ecb_cold	2322	ecb_noinline ecb_cold
		2323	static void
1977	fd_enomem (EV_P)	2324	fd_enomem (EV_P)
1978	{	2325	{
1979	int fd;	2326	int fd;
1980		2327
1981	for (fd = anfdmax; fd--; )	2328	for (fd = anfdmax; fd--; )
…		…
1985	break;	2332	break;
1986	}	2333	}
1987	}	2334	}
1988		2335
1989	/* usually called after fork if backend needs to re-arm all fds from scratch */	2336	/* usually called after fork if backend needs to re-arm all fds from scratch */
1990	static void noinline	2337	ecb_noinline
		2338	static void
1991	fd_rearm_all (EV_P)	2339	fd_rearm_all (EV_P)
1992	{	2340	{
1993	int fd;	2341	int fd;
1994		2342
1995	for (fd = 0; fd < anfdmax; ++fd)	2343	for (fd = 0; fd < anfdmax; ++fd)
…		…
2048	ev_tstamp minat;	2396	ev_tstamp minat;
2049	ANHE *minpos;	2397	ANHE *minpos;
2050	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2398	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2051		2399
2052	/* find minimum child */	2400	/* find minimum child */
2053	if (expect_true (pos + DHEAP - 1 < E))	2401	if (ecb_expect_true (pos + DHEAP - 1 < E))
2054	{	2402	{
2055	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2403	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2056	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2404	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2057	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2405	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2058	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2406	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2176		2524
2177	/*****************************************************************************/	2525	/*****************************************************************************/
2178		2526
2179	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2527	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2180		2528
2181	static void noinline ecb_cold	2529	ecb_noinline ecb_cold
		2530	static void
2182	evpipe_init (EV_P)	2531	evpipe_init (EV_P)
2183	{	2532	{
2184	if (!ev_is_active (&pipe_w))	2533	if (!ev_is_active (&pipe_w))
2185	{	2534	{
2186	int fds [2];	2535	int fds [2];
…		…
2226	inline_speed void	2575	inline_speed void
2227	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2576	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2228	{	2577	{
2229	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2578	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2230		2579
2231	if (expect_true (*flag))	2580	if (ecb_expect_true (*flag))
2232	return;	2581	return;
2233		2582
2234	*flag = 1;	2583	*flag = 1;
2235	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2584	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2236		2585
…		…
2257	#endif	2606	#endif
2258	{	2607	{
2259	#ifdef _WIN32	2608	#ifdef _WIN32
2260	WSABUF buf;	2609	WSABUF buf;
2261	DWORD sent;	2610	DWORD sent;
2262	buf.buf = &buf;	2611	buf.buf = (char *)&buf;
2263	buf.len = 1;	2612	buf.len = 1;
2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2613	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2265	#else	2614	#else
2266	write (evpipe [1], &(evpipe [1]), 1);	2615	write (evpipe [1], &(evpipe [1]), 1);
2267	#endif	2616	#endif
…		…
2313	sig_pending = 0;	2662	sig_pending = 0;
2314		2663
2315	ECB_MEMORY_FENCE;	2664	ECB_MEMORY_FENCE;
2316		2665
2317	for (i = EV_NSIG - 1; i--; )	2666	for (i = EV_NSIG - 1; i--; )
2318	if (expect_false (signals [i].pending))	2667	if (ecb_expect_false (signals [i].pending))
2319	ev_feed_signal_event (EV_A_ i + 1);	2668	ev_feed_signal_event (EV_A_ i + 1);
2320	}	2669	}
2321	#endif	2670	#endif
2322		2671
2323	#if EV_ASYNC_ENABLE	2672	#if EV_ASYNC_ENABLE
…		…
2339	}	2688	}
2340		2689
2341	/*****************************************************************************/	2690	/*****************************************************************************/
2342		2691
2343	void	2692	void
2344	ev_feed_signal (int signum) EV_THROW	2693	ev_feed_signal (int signum) EV_NOEXCEPT
2345	{	2694	{
2346	#if EV_MULTIPLICITY	2695	#if EV_MULTIPLICITY
2347	EV_P;	2696	EV_P;
2348	ECB_MEMORY_FENCE_ACQUIRE;	2697	ECB_MEMORY_FENCE_ACQUIRE;
2349	EV_A = signals [signum - 1].loop;	2698	EV_A = signals [signum - 1].loop;
…		…
2364	#endif	2713	#endif
2365		2714
2366	ev_feed_signal (signum);	2715	ev_feed_signal (signum);
2367	}	2716	}
2368		2717
2369	void noinline	2718	ecb_noinline
		2719	void
2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2720	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2371	{	2721	{
2372	WL w;	2722	WL w;
2373		2723
2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2724	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2375	return;	2725	return;
2376		2726
2377	--signum;	2727	--signum;
2378		2728
2379	#if EV_MULTIPLICITY	2729	#if EV_MULTIPLICITY
2380	/* it is permissible to try to feed a signal to the wrong loop */	2730	/* it is permissible to try to feed a signal to the wrong loop */
2381	/* or, likely more useful, feeding a signal nobody is waiting for */	2731	/* or, likely more useful, feeding a signal nobody is waiting for */
2382		2732
2383	if (expect_false (signals [signum].loop != EV_A))	2733	if (ecb_expect_false (signals [signum].loop != EV_A))
2384	return;	2734	return;
2385	#endif	2735	#endif
2386		2736
2387	signals [signum].pending = 0;	2737	signals [signum].pending = 0;
2388	ECB_MEMORY_FENCE_RELEASE;	2738	ECB_MEMORY_FENCE_RELEASE;
…		…
2484	# include "ev_kqueue.c"	2834	# include "ev_kqueue.c"
2485	#endif	2835	#endif
2486	#if EV_USE_EPOLL	2836	#if EV_USE_EPOLL
2487	# include "ev_epoll.c"	2837	# include "ev_epoll.c"
2488	#endif	2838	#endif
		2839	#if EV_USE_LINUXAIO
		2840	# include "ev_linuxaio.c"
		2841	#endif
		2842	#if EV_USE_IOURING
		2843	# include "ev_iouring.c"
		2844	#endif
2489	#if EV_USE_POLL	2845	#if EV_USE_POLL
2490	# include "ev_poll.c"	2846	# include "ev_poll.c"
2491	#endif	2847	#endif
2492	#if EV_USE_SELECT	2848	#if EV_USE_SELECT
2493	# include "ev_select.c"	2849	# include "ev_select.c"
2494	#endif	2850	#endif
2495		2851
2496	int ecb_cold	2852	ecb_cold int
2497	ev_version_major (void) EV_THROW	2853	ev_version_major (void) EV_NOEXCEPT
2498	{	2854	{
2499	return EV_VERSION_MAJOR;	2855	return EV_VERSION_MAJOR;
2500	}	2856	}
2501		2857
2502	int ecb_cold	2858	ecb_cold int
2503	ev_version_minor (void) EV_THROW	2859	ev_version_minor (void) EV_NOEXCEPT
2504	{	2860	{
2505	return EV_VERSION_MINOR;	2861	return EV_VERSION_MINOR;
2506	}	2862	}
2507		2863
2508	/* return true if we are running with elevated privileges and should ignore env variables */	2864	/* return true if we are running with elevated privileges and should ignore env variables */
2509	int inline_size ecb_cold	2865	inline_size ecb_cold int
2510	enable_secure (void)	2866	enable_secure (void)
2511	{	2867	{
2512	#ifdef _WIN32	2868	#ifdef _WIN32
2513	return 0;	2869	return 0;
2514	#else	2870	#else
2515	return getuid () != geteuid ()	2871	return getuid () != geteuid ()
2516	|| getgid () != getegid ();	2872	|| getgid () != getegid ();
2517	#endif	2873	#endif
2518	}	2874	}
2519		2875
2520	unsigned int ecb_cold	2876	ecb_cold
		2877	unsigned int
2521	ev_supported_backends (void) EV_THROW	2878	ev_supported_backends (void) EV_NOEXCEPT
2522	{	2879	{
2523	unsigned int flags = 0;	2880	unsigned int flags = 0;
2524		2881
2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2882	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2883	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2527	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2884	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2885	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2886	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2528	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2887	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2529	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2888	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2530		2889
2531	return flags;	2890	return flags;
2532	}	2891	}
2533		2892
2534	unsigned int ecb_cold	2893	ecb_cold
		2894	unsigned int
2535	ev_recommended_backends (void) EV_THROW	2895	ev_recommended_backends (void) EV_NOEXCEPT
2536	{	2896	{
2537	unsigned int flags = ev_supported_backends ();	2897	unsigned int flags = ev_supported_backends ();
2538		2898
2539	#ifndef __NetBSD__	2899	#ifndef __NetBSD__
2540	/* kqueue is borked on everything but netbsd apparently */	2900	/* kqueue is borked on everything but netbsd apparently */
…		…
2548	#endif	2908	#endif
2549	#ifdef __FreeBSD__	2909	#ifdef __FreeBSD__
2550	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2910	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2551	#endif	2911	#endif
2552		2912
		2913	/* TODO: linuxaio is very experimental */
		2914	#if !EV_RECOMMEND_LINUXAIO
		2915	flags &= ~EVBACKEND_LINUXAIO;
		2916	#endif
		2917	/* TODO: linuxaio is super experimental */
		2918	#if !EV_RECOMMEND_IOURING
		2919	flags &= ~EVBACKEND_IOURING;
		2920	#endif
		2921
2553	return flags;	2922	return flags;
2554	}	2923	}
2555		2924
2556	unsigned int ecb_cold	2925	ecb_cold
		2926	unsigned int
2557	ev_embeddable_backends (void) EV_THROW	2927	ev_embeddable_backends (void) EV_NOEXCEPT
2558	{	2928	{
2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2929	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2560		2930
2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2931	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2562	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2932	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2563	flags &= ~EVBACKEND_EPOLL;	2933	flags &= ~EVBACKEND_EPOLL;
2564		2934
		2935	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2936
		2937	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2938	* because our backend_fd is the epoll fd we need as fallback.
		2939	* if the kernel ever is fixed, this might change...
		2940	*/
		2941
2565	return flags;	2942	return flags;
2566	}	2943	}
2567		2944
2568	unsigned int	2945	unsigned int
2569	ev_backend (EV_P) EV_THROW	2946	ev_backend (EV_P) EV_NOEXCEPT
2570	{	2947	{
2571	return backend;	2948	return backend;
2572	}	2949	}
2573		2950
2574	#if EV_FEATURE_API	2951	#if EV_FEATURE_API
2575	unsigned int	2952	unsigned int
2576	ev_iteration (EV_P) EV_THROW	2953	ev_iteration (EV_P) EV_NOEXCEPT
2577	{	2954	{
2578	return loop_count;	2955	return loop_count;
2579	}	2956	}
2580		2957
2581	unsigned int	2958	unsigned int
2582	ev_depth (EV_P) EV_THROW	2959	ev_depth (EV_P) EV_NOEXCEPT
2583	{	2960	{
2584	return loop_depth;	2961	return loop_depth;
2585	}	2962	}
2586		2963
2587	void	2964	void
2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2965	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2589	{	2966	{
2590	io_blocktime = interval;	2967	io_blocktime = interval;
2591	}	2968	}
2592		2969
2593	void	2970	void
2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2971	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2595	{	2972	{
2596	timeout_blocktime = interval;	2973	timeout_blocktime = interval;
2597	}	2974	}
2598		2975
2599	void	2976	void
2600	ev_set_userdata (EV_P_ void *data) EV_THROW	2977	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2601	{	2978	{
2602	userdata = data;	2979	userdata = data;
2603	}	2980	}
2604		2981
2605	void *	2982	void *
2606	ev_userdata (EV_P) EV_THROW	2983	ev_userdata (EV_P) EV_NOEXCEPT
2607	{	2984	{
2608	return userdata;	2985	return userdata;
2609	}	2986	}
2610		2987
2611	void	2988	void
2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2989	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2613	{	2990	{
2614	invoke_cb = invoke_pending_cb;	2991	invoke_cb = invoke_pending_cb;
2615	}	2992	}
2616		2993
2617	void	2994	void
2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW	2995	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2619	{	2996	{
2620	release_cb = release;	2997	release_cb = release;
2621	acquire_cb = acquire;	2998	acquire_cb = acquire;
2622	}	2999	}
2623	#endif	3000	#endif
2624		3001
2625	/* initialise a loop structure, must be zero-initialised */	3002	/* initialise a loop structure, must be zero-initialised */
2626	static void noinline ecb_cold	3003	ecb_noinline ecb_cold
		3004	static void
2627	loop_init (EV_P_ unsigned int flags) EV_THROW	3005	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2628	{	3006	{
2629	if (!backend)	3007	if (!backend)
2630	{	3008	{
2631	origflags = flags;	3009	origflags = flags;
2632		3010
…		…
2690		3068
2691	if (!(flags & EVBACKEND_MASK))	3069	if (!(flags & EVBACKEND_MASK))
2692	flags |= ev_recommended_backends ();	3070	flags |= ev_recommended_backends ();
2693		3071
2694	#if EV_USE_IOCP	3072	#if EV_USE_IOCP
2695	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3073	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2696	#endif	3074	#endif
2697	#if EV_USE_PORT	3075	#if EV_USE_PORT
2698	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3076	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2699	#endif	3077	#endif
2700	#if EV_USE_KQUEUE	3078	#if EV_USE_KQUEUE
2701	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3079	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3080	#endif
		3081	#if EV_USE_IOURING
		3082	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3083	#endif
		3084	#if EV_USE_LINUXAIO
		3085	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2702	#endif	3086	#endif
2703	#if EV_USE_EPOLL	3087	#if EV_USE_EPOLL
2704	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3088	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2705	#endif	3089	#endif
2706	#if EV_USE_POLL	3090	#if EV_USE_POLL
2707	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3091	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2708	#endif	3092	#endif
2709	#if EV_USE_SELECT	3093	#if EV_USE_SELECT
2710	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3094	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2711	#endif	3095	#endif
2712		3096
2713	ev_prepare_init (&pending_w, pendingcb);	3097	ev_prepare_init (&pending_w, pendingcb);
2714		3098
2715	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3099	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2718	#endif	3102	#endif
2719	}	3103	}
2720	}	3104	}
2721		3105
2722	/* free up a loop structure */	3106	/* free up a loop structure */
2723	void ecb_cold	3107	ecb_cold
		3108	void
2724	ev_loop_destroy (EV_P)	3109	ev_loop_destroy (EV_P)
2725	{	3110	{
2726	int i;	3111	int i;
2727		3112
2728	#if EV_MULTIPLICITY	3113	#if EV_MULTIPLICITY
…		…
2731	return;	3116	return;
2732	#endif	3117	#endif
2733		3118
2734	#if EV_CLEANUP_ENABLE	3119	#if EV_CLEANUP_ENABLE
2735	/* queue cleanup watchers (and execute them) */	3120	/* queue cleanup watchers (and execute them) */
2736	if (expect_false (cleanupcnt))	3121	if (ecb_expect_false (cleanupcnt))
2737	{	3122	{
2738	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3123	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2739	EV_INVOKE_PENDING;	3124	EV_INVOKE_PENDING;
2740	}	3125	}
2741	#endif	3126	#endif
…		…
2769		3154
2770	if (backend_fd >= 0)	3155	if (backend_fd >= 0)
2771	close (backend_fd);	3156	close (backend_fd);
2772		3157
2773	#if EV_USE_IOCP	3158	#if EV_USE_IOCP
2774	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3159	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2775	#endif	3160	#endif
2776	#if EV_USE_PORT	3161	#if EV_USE_PORT
2777	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3162	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2778	#endif	3163	#endif
2779	#if EV_USE_KQUEUE	3164	#if EV_USE_KQUEUE
2780	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3165	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3166	#endif
		3167	#if EV_USE_IOURING
		3168	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3169	#endif
		3170	#if EV_USE_LINUXAIO
		3171	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2781	#endif	3172	#endif
2782	#if EV_USE_EPOLL	3173	#if EV_USE_EPOLL
2783	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3174	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2784	#endif	3175	#endif
2785	#if EV_USE_POLL	3176	#if EV_USE_POLL
2786	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3177	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2787	#endif	3178	#endif
2788	#if EV_USE_SELECT	3179	#if EV_USE_SELECT
2789	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3180	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2790	#endif	3181	#endif
2791		3182
2792	for (i = NUMPRI; i--; )	3183	for (i = NUMPRI; i--; )
2793	{	3184	{
2794	array_free (pending, [i]);	3185	array_free (pending, [i]);
…		…
2836		3227
2837	inline_size void	3228	inline_size void
2838	loop_fork (EV_P)	3229	loop_fork (EV_P)
2839	{	3230	{
2840	#if EV_USE_PORT	3231	#if EV_USE_PORT
2841	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3232	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2842	#endif	3233	#endif
2843	#if EV_USE_KQUEUE	3234	#if EV_USE_KQUEUE
2844	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3235	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3236	#endif
		3237	#if EV_USE_IOURING
		3238	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3239	#endif
		3240	#if EV_USE_LINUXAIO
		3241	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2845	#endif	3242	#endif
2846	#if EV_USE_EPOLL	3243	#if EV_USE_EPOLL
2847	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3244	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2848	#endif	3245	#endif
2849	#if EV_USE_INOTIFY	3246	#if EV_USE_INOTIFY
2850	infy_fork (EV_A);	3247	infy_fork (EV_A);
2851	#endif	3248	#endif
2852		3249
2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3250	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2854	if (ev_is_active (&pipe_w))	3251	if (ev_is_active (&pipe_w) && postfork != 2)
2855	{	3252	{
2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3253	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2857		3254
2858	ev_ref (EV_A);	3255	ev_ref (EV_A);
2859	ev_io_stop (EV_A_ &pipe_w);	3256	ev_io_stop (EV_A_ &pipe_w);
…		…
2870	postfork = 0;	3267	postfork = 0;
2871	}	3268	}
2872		3269
2873	#if EV_MULTIPLICITY	3270	#if EV_MULTIPLICITY
2874		3271
		3272	ecb_cold
2875	struct ev_loop * ecb_cold	3273	struct ev_loop *
2876	ev_loop_new (unsigned int flags) EV_THROW	3274	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2877	{	3275	{
2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3276	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2879		3277
2880	memset (EV_A, 0, sizeof (struct ev_loop));	3278	memset (EV_A, 0, sizeof (struct ev_loop));
2881	loop_init (EV_A_ flags);	3279	loop_init (EV_A_ flags);
…		…
2888	}	3286	}
2889		3287
2890	#endif /* multiplicity */	3288	#endif /* multiplicity */
2891		3289
2892	#if EV_VERIFY	3290	#if EV_VERIFY
2893	static void noinline ecb_cold	3291	ecb_noinline ecb_cold
		3292	static void
2894	verify_watcher (EV_P_ W w)	3293	verify_watcher (EV_P_ W w)
2895	{	3294	{
2896	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3295	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2897		3296
2898	if (w->pending)	3297	if (w->pending)
2899	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3298	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2900	}	3299	}
2901		3300
2902	static void noinline ecb_cold	3301	ecb_noinline ecb_cold
		3302	static void
2903	verify_heap (EV_P_ ANHE *heap, int N)	3303	verify_heap (EV_P_ ANHE *heap, int N)
2904	{	3304	{
2905	int i;	3305	int i;
2906		3306
2907	for (i = HEAP0; i < N + HEAP0; ++i)	3307	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2912		3312
2913	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3313	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2914	}	3314	}
2915	}	3315	}
2916		3316
2917	static void noinline ecb_cold	3317	ecb_noinline ecb_cold
		3318	static void
2918	array_verify (EV_P_ W *ws, int cnt)	3319	array_verify (EV_P_ W *ws, int cnt)
2919	{	3320	{
2920	while (cnt--)	3321	while (cnt--)
2921	{	3322	{
2922	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3323	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2925	}	3326	}
2926	#endif	3327	#endif
2927		3328
2928	#if EV_FEATURE_API	3329	#if EV_FEATURE_API
2929	void ecb_cold	3330	void ecb_cold
2930	ev_verify (EV_P) EV_THROW	3331	ev_verify (EV_P) EV_NOEXCEPT
2931	{	3332	{
2932	#if EV_VERIFY	3333	#if EV_VERIFY
2933	int i;	3334	int i;
2934	WL w, w2;	3335	WL w, w2;
2935		3336
…		…
3011	#endif	3412	#endif
3012	}	3413	}
3013	#endif	3414	#endif
3014		3415
3015	#if EV_MULTIPLICITY	3416	#if EV_MULTIPLICITY
		3417	ecb_cold
3016	struct ev_loop * ecb_cold	3418	struct ev_loop *
3017	#else	3419	#else
3018	int	3420	int
3019	#endif	3421	#endif
3020	ev_default_loop (unsigned int flags) EV_THROW	3422	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3021	{	3423	{
3022	if (!ev_default_loop_ptr)	3424	if (!ev_default_loop_ptr)
3023	{	3425	{
3024	#if EV_MULTIPLICITY	3426	#if EV_MULTIPLICITY
3025	EV_P = ev_default_loop_ptr = &default_loop_struct;	3427	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3044		3446
3045	return ev_default_loop_ptr;	3447	return ev_default_loop_ptr;
3046	}	3448	}
3047		3449
3048	void	3450	void
3049	ev_loop_fork (EV_P) EV_THROW	3451	ev_loop_fork (EV_P) EV_NOEXCEPT
3050	{	3452	{
3051	postfork = 1;	3453	postfork = 1;
3052	}	3454	}
3053		3455
3054	/*****************************************************************************/	3456	/*****************************************************************************/
…		…
3058	{	3460	{
3059	EV_CB_INVOKE ((W)w, revents);	3461	EV_CB_INVOKE ((W)w, revents);
3060	}	3462	}
3061		3463
3062	unsigned int	3464	unsigned int
3063	ev_pending_count (EV_P) EV_THROW	3465	ev_pending_count (EV_P) EV_NOEXCEPT
3064	{	3466	{
3065	int pri;	3467	int pri;
3066	unsigned int count = 0;	3468	unsigned int count = 0;
3067		3469
3068	for (pri = NUMPRI; pri--; )	3470	for (pri = NUMPRI; pri--; )
3069	count += pendingcnt [pri];	3471	count += pendingcnt [pri];
3070		3472
3071	return count;	3473	return count;
3072	}	3474	}
3073		3475
3074	void noinline	3476	ecb_noinline
		3477	void
3075	ev_invoke_pending (EV_P)	3478	ev_invoke_pending (EV_P)
3076	{	3479	{
3077	pendingpri = NUMPRI;	3480	pendingpri = NUMPRI;
3078		3481
3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3482	do
3080	{	3483	{
3081	--pendingpri;	3484	--pendingpri;
3082		3485
		3486	/* pendingpri possibly gets modified in the inner loop */
3083	while (pendingcnt [pendingpri])	3487	while (pendingcnt [pendingpri])
3084	{	3488	{
3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3489	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3086		3490
3087	p->w->pending = 0;	3491	p->w->pending = 0;
3088	EV_CB_INVOKE (p->w, p->events);	3492	EV_CB_INVOKE (p->w, p->events);
3089	EV_FREQUENT_CHECK;	3493	EV_FREQUENT_CHECK;
3090	}	3494	}
3091	}	3495	}
		3496	while (pendingpri);
3092	}	3497	}
3093		3498
3094	#if EV_IDLE_ENABLE	3499	#if EV_IDLE_ENABLE
3095	/* make idle watchers pending. this handles the "call-idle */	3500	/* make idle watchers pending. this handles the "call-idle */
3096	/* only when higher priorities are idle" logic */	3501	/* only when higher priorities are idle" logic */
3097	inline_size void	3502	inline_size void
3098	idle_reify (EV_P)	3503	idle_reify (EV_P)
3099	{	3504	{
3100	if (expect_false (idleall))	3505	if (ecb_expect_false (idleall))
3101	{	3506	{
3102	int pri;	3507	int pri;
3103		3508
3104	for (pri = NUMPRI; pri--; )	3509	for (pri = NUMPRI; pri--; )
3105	{	3510	{
…		…
3154	}	3559	}
3155	}	3560	}
3156		3561
3157	#if EV_PERIODIC_ENABLE	3562	#if EV_PERIODIC_ENABLE
3158		3563
3159	static void noinline	3564	ecb_noinline
		3565	static void
3160	periodic_recalc (EV_P_ ev_periodic *w)	3566	periodic_recalc (EV_P_ ev_periodic *w)
3161	{	3567	{
3162	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3568	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3163	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3569	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3164		3570
…		…
3166	while (at <= ev_rt_now)	3572	while (at <= ev_rt_now)
3167	{	3573	{
3168	ev_tstamp nat = at + w->interval;	3574	ev_tstamp nat = at + w->interval;
3169		3575
3170	/* when resolution fails us, we use ev_rt_now */	3576	/* when resolution fails us, we use ev_rt_now */
3171	if (expect_false (nat == at))	3577	if (ecb_expect_false (nat == at))
3172	{	3578	{
3173	at = ev_rt_now;	3579	at = ev_rt_now;
3174	break;	3580	break;
3175	}	3581	}
3176		3582
…		…
3222	}	3628	}
3223	}	3629	}
3224		3630
3225	/* simply recalculate all periodics */	3631	/* simply recalculate all periodics */
3226	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3632	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3227	static void noinline ecb_cold	3633	ecb_noinline ecb_cold
		3634	static void
3228	periodics_reschedule (EV_P)	3635	periodics_reschedule (EV_P)
3229	{	3636	{
3230	int i;	3637	int i;
3231		3638
3232	/* adjust periodics after time jump */	3639	/* adjust periodics after time jump */
…		…
3245	reheap (periodics, periodiccnt);	3652	reheap (periodics, periodiccnt);
3246	}	3653	}
3247	#endif	3654	#endif
3248		3655
3249	/* adjust all timers by a given offset */	3656	/* adjust all timers by a given offset */
3250	static void noinline ecb_cold	3657	ecb_noinline ecb_cold
		3658	static void
3251	timers_reschedule (EV_P_ ev_tstamp adjust)	3659	timers_reschedule (EV_P_ ev_tstamp adjust)
3252	{	3660	{
3253	int i;	3661	int i;
3254		3662
3255	for (i = 0; i < timercnt; ++i)	3663	for (i = 0; i < timercnt; ++i)
…		…
3264	/* also detect if there was a timejump, and act accordingly */	3672	/* also detect if there was a timejump, and act accordingly */
3265	inline_speed void	3673	inline_speed void
3266	time_update (EV_P_ ev_tstamp max_block)	3674	time_update (EV_P_ ev_tstamp max_block)
3267	{	3675	{
3268	#if EV_USE_MONOTONIC	3676	#if EV_USE_MONOTONIC
3269	if (expect_true (have_monotonic))	3677	if (ecb_expect_true (have_monotonic))
3270	{	3678	{
3271	int i;	3679	int i;
3272	ev_tstamp odiff = rtmn_diff;	3680	ev_tstamp odiff = rtmn_diff;
3273		3681
3274	mn_now = get_clock ();	3682	mn_now = get_clock ();
3275		3683
3276	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3684	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3277	/* interpolate in the meantime */	3685	/* interpolate in the meantime */
3278	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3686	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3279	{	3687	{
3280	ev_rt_now = rtmn_diff + mn_now;	3688	ev_rt_now = rtmn_diff + mn_now;
3281	return;	3689	return;
3282	}	3690	}
3283		3691
…		…
3297	ev_tstamp diff;	3705	ev_tstamp diff;
3298	rtmn_diff = ev_rt_now - mn_now;	3706	rtmn_diff = ev_rt_now - mn_now;
3299		3707
3300	diff = odiff - rtmn_diff;	3708	diff = odiff - rtmn_diff;
3301		3709
3302	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3710	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3303	return; /* all is well */	3711	return; /* all is well */
3304		3712
3305	ev_rt_now = ev_time ();	3713	ev_rt_now = ev_time ();
3306	mn_now = get_clock ();	3714	mn_now = get_clock ();
3307	now_floor = mn_now;	3715	now_floor = mn_now;
…		…
3316	else	3724	else
3317	#endif	3725	#endif
3318	{	3726	{
3319	ev_rt_now = ev_time ();	3727	ev_rt_now = ev_time ();
3320		3728
3321	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3729	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3322	{	3730	{
3323	/* adjust timers. this is easy, as the offset is the same for all of them */	3731	/* adjust timers. this is easy, as the offset is the same for all of them */
3324	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3732	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3325	#if EV_PERIODIC_ENABLE	3733	#if EV_PERIODIC_ENABLE
3326	periodics_reschedule (EV_A);	3734	periodics_reschedule (EV_A);
…		…
3349	#if EV_VERIFY >= 2	3757	#if EV_VERIFY >= 2
3350	ev_verify (EV_A);	3758	ev_verify (EV_A);
3351	#endif	3759	#endif
3352		3760
3353	#ifndef _WIN32	3761	#ifndef _WIN32
3354	if (expect_false (curpid)) /* penalise the forking check even more */	3762	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3355	if (expect_false (getpid () != curpid))	3763	if (ecb_expect_false (getpid () != curpid))
3356	{	3764	{
3357	curpid = getpid ();	3765	curpid = getpid ();
3358	postfork = 1;	3766	postfork = 1;
3359	}	3767	}
3360	#endif	3768	#endif
3361		3769
3362	#if EV_FORK_ENABLE	3770	#if EV_FORK_ENABLE
3363	/* we might have forked, so queue fork handlers */	3771	/* we might have forked, so queue fork handlers */
3364	if (expect_false (postfork))	3772	if (ecb_expect_false (postfork))
3365	if (forkcnt)	3773	if (forkcnt)
3366	{	3774	{
3367	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3775	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3368	EV_INVOKE_PENDING;	3776	EV_INVOKE_PENDING;
3369	}	3777	}
3370	#endif	3778	#endif
3371		3779
3372	#if EV_PREPARE_ENABLE	3780	#if EV_PREPARE_ENABLE
3373	/* queue prepare watchers (and execute them) */	3781	/* queue prepare watchers (and execute them) */
3374	if (expect_false (preparecnt))	3782	if (ecb_expect_false (preparecnt))
3375	{	3783	{
3376	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3784	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3377	EV_INVOKE_PENDING;	3785	EV_INVOKE_PENDING;
3378	}	3786	}
3379	#endif	3787	#endif
3380		3788
3381	if (expect_false (loop_done))	3789	if (ecb_expect_false (loop_done))
3382	break;	3790	break;
3383		3791
3384	/* we might have forked, so reify kernel state if necessary */	3792	/* we might have forked, so reify kernel state if necessary */
3385	if (expect_false (postfork))	3793	if (ecb_expect_false (postfork))
3386	loop_fork (EV_A);	3794	loop_fork (EV_A);
3387		3795
3388	/* update fd-related kernel structures */	3796	/* update fd-related kernel structures */
3389	fd_reify (EV_A);	3797	fd_reify (EV_A);
3390		3798
…		…
3402	/* from now on, we want a pipe-wake-up */	3810	/* from now on, we want a pipe-wake-up */
3403	pipe_write_wanted = 1;	3811	pipe_write_wanted = 1;
3404		3812
3405	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3813	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3406		3814
3407	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3815	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3408	{	3816	{
3409	waittime = MAX_BLOCKTIME;	3817	waittime = MAX_BLOCKTIME;
3410		3818
3411	if (timercnt)	3819	if (timercnt)
3412	{	3820	{
…		…
3421	if (waittime > to) waittime = to;	3829	if (waittime > to) waittime = to;
3422	}	3830	}
3423	#endif	3831	#endif
3424		3832
3425	/* don't let timeouts decrease the waittime below timeout_blocktime */	3833	/* don't let timeouts decrease the waittime below timeout_blocktime */
3426	if (expect_false (waittime < timeout_blocktime))	3834	if (ecb_expect_false (waittime < timeout_blocktime))
3427	waittime = timeout_blocktime;	3835	waittime = timeout_blocktime;
3428		3836
3429	/* at this point, we NEED to wait, so we have to ensure */	3837	/* at this point, we NEED to wait, so we have to ensure */
3430	/* to pass a minimum nonzero value to the backend */	3838	/* to pass a minimum nonzero value to the backend */
3431	if (expect_false (waittime < backend_mintime))	3839	if (ecb_expect_false (waittime < backend_mintime))
3432	waittime = backend_mintime;	3840	waittime = backend_mintime;
3433		3841
3434	/* extra check because io_blocktime is commonly 0 */	3842	/* extra check because io_blocktime is commonly 0 */
3435	if (expect_false (io_blocktime))	3843	if (ecb_expect_false (io_blocktime))
3436	{	3844	{
3437	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3845	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3438		3846
3439	if (sleeptime > waittime - backend_mintime)	3847	if (sleeptime > waittime - backend_mintime)
3440	sleeptime = waittime - backend_mintime;	3848	sleeptime = waittime - backend_mintime;
3441		3849
3442	if (expect_true (sleeptime > 0.))	3850	if (ecb_expect_true (sleeptime > 0.))
3443	{	3851	{
3444	ev_sleep (sleeptime);	3852	ev_sleep (sleeptime);
3445	waittime -= sleeptime;	3853	waittime -= sleeptime;
3446	}	3854	}
3447	}	3855	}
…		…
3461	{	3869	{
3462	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3870	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3463	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3871	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3464	}	3872	}
3465		3873
3466
3467	/* update ev_rt_now, do magic */	3874	/* update ev_rt_now, do magic */
3468	time_update (EV_A_ waittime + sleeptime);	3875	time_update (EV_A_ waittime + sleeptime);
3469	}	3876	}
3470		3877
3471	/* queue pending timers and reschedule them */	3878	/* queue pending timers and reschedule them */
…		…
3479	idle_reify (EV_A);	3886	idle_reify (EV_A);
3480	#endif	3887	#endif
3481		3888
3482	#if EV_CHECK_ENABLE	3889	#if EV_CHECK_ENABLE
3483	/* queue check watchers, to be executed first */	3890	/* queue check watchers, to be executed first */
3484	if (expect_false (checkcnt))	3891	if (ecb_expect_false (checkcnt))
3485	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3892	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3486	#endif	3893	#endif
3487		3894
3488	EV_INVOKE_PENDING;	3895	EV_INVOKE_PENDING;
3489	}	3896	}
3490	while (expect_true (	3897	while (ecb_expect_true (
3491	activecnt	3898	activecnt
3492	&& !loop_done	3899	&& !loop_done
3493	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3900	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3494	));	3901	));
3495		3902
…		…
3502		3909
3503	return activecnt;	3910	return activecnt;
3504	}	3911	}
3505		3912
3506	void	3913	void
3507	ev_break (EV_P_ int how) EV_THROW	3914	ev_break (EV_P_ int how) EV_NOEXCEPT
3508	{	3915	{
3509	loop_done = how;	3916	loop_done = how;
3510	}	3917	}
3511		3918
3512	void	3919	void
3513	ev_ref (EV_P) EV_THROW	3920	ev_ref (EV_P) EV_NOEXCEPT
3514	{	3921	{
3515	++activecnt;	3922	++activecnt;
3516	}	3923	}
3517		3924
3518	void	3925	void
3519	ev_unref (EV_P) EV_THROW	3926	ev_unref (EV_P) EV_NOEXCEPT
3520	{	3927	{
3521	--activecnt;	3928	--activecnt;
3522	}	3929	}
3523		3930
3524	void	3931	void
3525	ev_now_update (EV_P) EV_THROW	3932	ev_now_update (EV_P) EV_NOEXCEPT
3526	{	3933	{
3527	time_update (EV_A_ 1e100);	3934	time_update (EV_A_ 1e100);
3528	}	3935	}
3529		3936
3530	void	3937	void
3531	ev_suspend (EV_P) EV_THROW	3938	ev_suspend (EV_P) EV_NOEXCEPT
3532	{	3939	{
3533	ev_now_update (EV_A);	3940	ev_now_update (EV_A);
3534	}	3941	}
3535		3942
3536	void	3943	void
3537	ev_resume (EV_P) EV_THROW	3944	ev_resume (EV_P) EV_NOEXCEPT
3538	{	3945	{
3539	ev_tstamp mn_prev = mn_now;	3946	ev_tstamp mn_prev = mn_now;
3540		3947
3541	ev_now_update (EV_A);	3948	ev_now_update (EV_A);
3542	timers_reschedule (EV_A_ mn_now - mn_prev);	3949	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3559	inline_size void	3966	inline_size void
3560	wlist_del (WL *head, WL elem)	3967	wlist_del (WL *head, WL elem)
3561	{	3968	{
3562	while (*head)	3969	while (*head)
3563	{	3970	{
3564	if (expect_true (*head == elem))	3971	if (ecb_expect_true (*head == elem))
3565	{	3972	{
3566	*head = elem->next;	3973	*head = elem->next;
3567	break;	3974	break;
3568	}	3975	}
3569		3976
…		…
3581	w->pending = 0;	3988	w->pending = 0;
3582	}	3989	}
3583	}	3990	}
3584		3991
3585	int	3992	int
3586	ev_clear_pending (EV_P_ void *w) EV_THROW	3993	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3587	{	3994	{
3588	W w_ = (W)w;	3995	W w_ = (W)w;
3589	int pending = w_->pending;	3996	int pending = w_->pending;
3590		3997
3591	if (expect_true (pending))	3998	if (ecb_expect_true (pending))
3592	{	3999	{
3593	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4000	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3594	p->w = (W)&pending_w;	4001	p->w = (W)&pending_w;
3595	w_->pending = 0;	4002	w_->pending = 0;
3596	return p->events;	4003	return p->events;
…		…
3623	w->active = 0;	4030	w->active = 0;
3624	}	4031	}
3625		4032
3626	/*****************************************************************************/	4033	/*****************************************************************************/
3627		4034
3628	void noinline	4035	ecb_noinline
		4036	void
3629	ev_io_start (EV_P_ ev_io *w) EV_THROW	4037	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3630	{	4038	{
3631	int fd = w->fd;	4039	int fd = w->fd;
3632		4040
3633	if (expect_false (ev_is_active (w)))	4041	if (ecb_expect_false (ev_is_active (w)))
3634	return;	4042	return;
3635		4043
3636	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4044	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3637	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4045	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3638		4046
		4047	#if EV_VERIFY >= 2
		4048	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4049	#endif
3639	EV_FREQUENT_CHECK;	4050	EV_FREQUENT_CHECK;
3640		4051
3641	ev_start (EV_A_ (W)w, 1);	4052	ev_start (EV_A_ (W)w, 1);
3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4053	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3643	wlist_add (&anfds[fd].head, (WL)w);	4054	wlist_add (&anfds[fd].head, (WL)w);
3644		4055
3645	/* common bug, apparently */	4056	/* common bug, apparently */
3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4057	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3647		4058
…		…
3649	w->events &= ~EV__IOFDSET;	4060	w->events &= ~EV__IOFDSET;
3650		4061
3651	EV_FREQUENT_CHECK;	4062	EV_FREQUENT_CHECK;
3652	}	4063	}
3653		4064
3654	void noinline	4065	ecb_noinline
		4066	void
3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4067	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3656	{	4068	{
3657	clear_pending (EV_A_ (W)w);	4069	clear_pending (EV_A_ (W)w);
3658	if (expect_false (!ev_is_active (w)))	4070	if (ecb_expect_false (!ev_is_active (w)))
3659	return;	4071	return;
3660		4072
3661	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4073	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3662		4074
		4075	#if EV_VERIFY >= 2
		4076	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4077	#endif
3663	EV_FREQUENT_CHECK;	4078	EV_FREQUENT_CHECK;
3664		4079
3665	wlist_del (&anfds[w->fd].head, (WL)w);	4080	wlist_del (&anfds[w->fd].head, (WL)w);
3666	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3667		4082
3668	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4083	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3669		4084
3670	EV_FREQUENT_CHECK;	4085	EV_FREQUENT_CHECK;
3671	}	4086	}
3672		4087
3673	void noinline	4088	ecb_noinline
		4089	void
3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4090	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3675	{	4091	{
3676	if (expect_false (ev_is_active (w)))	4092	if (ecb_expect_false (ev_is_active (w)))
3677	return;	4093	return;
3678		4094
3679	ev_at (w) += mn_now;	4095	ev_at (w) += mn_now;
3680		4096
3681	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4097	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3682		4098
3683	EV_FREQUENT_CHECK;	4099	EV_FREQUENT_CHECK;
3684		4100
3685	++timercnt;	4101	++timercnt;
3686	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4102	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3687	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4103	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (timers [ev_active (w)]) = (WT)w;	4104	ANHE_w (timers [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (timers [ev_active (w)]);	4105	ANHE_at_cache (timers [ev_active (w)]);
3690	upheap (timers, ev_active (w));	4106	upheap (timers, ev_active (w));
3691		4107
3692	EV_FREQUENT_CHECK;	4108	EV_FREQUENT_CHECK;
3693		4109
3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4110	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3695	}	4111	}
3696		4112
3697	void noinline	4113	ecb_noinline
		4114	void
3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4115	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3699	{	4116	{
3700	clear_pending (EV_A_ (W)w);	4117	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	4118	if (ecb_expect_false (!ev_is_active (w)))
3702	return;	4119	return;
3703		4120
3704	EV_FREQUENT_CHECK;	4121	EV_FREQUENT_CHECK;
3705		4122
3706	{	4123	{
…		…
3708		4125
3709	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4126	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3710		4127
3711	--timercnt;	4128	--timercnt;
3712		4129
3713	if (expect_true (active < timercnt + HEAP0))	4130	if (ecb_expect_true (active < timercnt + HEAP0))
3714	{	4131	{
3715	timers [active] = timers [timercnt + HEAP0];	4132	timers [active] = timers [timercnt + HEAP0];
3716	adjustheap (timers, timercnt, active);	4133	adjustheap (timers, timercnt, active);
3717	}	4134	}
3718	}	4135	}
…		…
3722	ev_stop (EV_A_ (W)w);	4139	ev_stop (EV_A_ (W)w);
3723		4140
3724	EV_FREQUENT_CHECK;	4141	EV_FREQUENT_CHECK;
3725	}	4142	}
3726		4143
3727	void noinline	4144	ecb_noinline
		4145	void
3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4146	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	4147	{
3730	EV_FREQUENT_CHECK;	4148	EV_FREQUENT_CHECK;
3731		4149
3732	clear_pending (EV_A_ (W)w);	4150	clear_pending (EV_A_ (W)w);
3733		4151
…		…
3750		4168
3751	EV_FREQUENT_CHECK;	4169	EV_FREQUENT_CHECK;
3752	}	4170	}
3753		4171
3754	ev_tstamp	4172	ev_tstamp
3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4173	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3756	{	4174	{
3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4175	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3758	}	4176	}
3759		4177
3760	#if EV_PERIODIC_ENABLE	4178	#if EV_PERIODIC_ENABLE
3761	void noinline	4179	ecb_noinline
		4180	void
3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4181	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3763	{	4182	{
3764	if (expect_false (ev_is_active (w)))	4183	if (ecb_expect_false (ev_is_active (w)))
3765	return;	4184	return;
3766		4185
3767	if (w->reschedule_cb)	4186	if (w->reschedule_cb)
3768	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4187	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3769	else if (w->interval)	4188	else if (w->interval)
…		…
3776		4195
3777	EV_FREQUENT_CHECK;	4196	EV_FREQUENT_CHECK;
3778		4197
3779	++periodiccnt;	4198	++periodiccnt;
3780	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4199	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3781	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4200	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3782	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4201	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3783	ANHE_at_cache (periodics [ev_active (w)]);	4202	ANHE_at_cache (periodics [ev_active (w)]);
3784	upheap (periodics, ev_active (w));	4203	upheap (periodics, ev_active (w));
3785		4204
3786	EV_FREQUENT_CHECK;	4205	EV_FREQUENT_CHECK;
3787		4206
3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4207	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3789	}	4208	}
3790		4209
3791	void noinline	4210	ecb_noinline
		4211	void
3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4212	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793	{	4213	{
3794	clear_pending (EV_A_ (W)w);	4214	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4215	if (ecb_expect_false (!ev_is_active (w)))
3796	return;	4216	return;
3797		4217
3798	EV_FREQUENT_CHECK;	4218	EV_FREQUENT_CHECK;
3799		4219
3800	{	4220	{
…		…
3802		4222
3803	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4223	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3804		4224
3805	--periodiccnt;	4225	--periodiccnt;
3806		4226
3807	if (expect_true (active < periodiccnt + HEAP0))	4227	if (ecb_expect_true (active < periodiccnt + HEAP0))
3808	{	4228	{
3809	periodics [active] = periodics [periodiccnt + HEAP0];	4229	periodics [active] = periodics [periodiccnt + HEAP0];
3810	adjustheap (periodics, periodiccnt, active);	4230	adjustheap (periodics, periodiccnt, active);
3811	}	4231	}
3812	}	4232	}
…		…
3814	ev_stop (EV_A_ (W)w);	4234	ev_stop (EV_A_ (W)w);
3815		4235
3816	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
3817	}	4237	}
3818		4238
3819	void noinline	4239	ecb_noinline
		4240	void
3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4241	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3821	{	4242	{
3822	/* TODO: use adjustheap and recalculation */	4243	/* TODO: use adjustheap and recalculation */
3823	ev_periodic_stop (EV_A_ w);	4244	ev_periodic_stop (EV_A_ w);
3824	ev_periodic_start (EV_A_ w);	4245	ev_periodic_start (EV_A_ w);
3825	}	4246	}
…		…
3829	# define SA_RESTART 0	4250	# define SA_RESTART 0
3830	#endif	4251	#endif
3831		4252
3832	#if EV_SIGNAL_ENABLE	4253	#if EV_SIGNAL_ENABLE
3833		4254
3834	void noinline	4255	ecb_noinline
		4256	void
3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4257	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3836	{	4258	{
3837	if (expect_false (ev_is_active (w)))	4259	if (ecb_expect_false (ev_is_active (w)))
3838	return;	4260	return;
3839		4261
3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4262	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3841		4263
3842	#if EV_MULTIPLICITY	4264	#if EV_MULTIPLICITY
…		…
3911	}	4333	}
3912		4334
3913	EV_FREQUENT_CHECK;	4335	EV_FREQUENT_CHECK;
3914	}	4336	}
3915		4337
3916	void noinline	4338	ecb_noinline
		4339	void
3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4340	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3918	{	4341	{
3919	clear_pending (EV_A_ (W)w);	4342	clear_pending (EV_A_ (W)w);
3920	if (expect_false (!ev_is_active (w)))	4343	if (ecb_expect_false (!ev_is_active (w)))
3921	return;	4344	return;
3922		4345
3923	EV_FREQUENT_CHECK;	4346	EV_FREQUENT_CHECK;
3924		4347
3925	wlist_del (&signals [w->signum - 1].head, (WL)w);	4348	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3953	#endif	4376	#endif
3954		4377
3955	#if EV_CHILD_ENABLE	4378	#if EV_CHILD_ENABLE
3956		4379
3957	void	4380	void
3958	ev_child_start (EV_P_ ev_child *w) EV_THROW	4381	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3959	{	4382	{
3960	#if EV_MULTIPLICITY	4383	#if EV_MULTIPLICITY
3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4384	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3962	#endif	4385	#endif
3963	if (expect_false (ev_is_active (w)))	4386	if (ecb_expect_false (ev_is_active (w)))
3964	return;	4387	return;
3965		4388
3966	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3967		4390
3968	ev_start (EV_A_ (W)w, 1);	4391	ev_start (EV_A_ (W)w, 1);
…		…
3970		4393
3971	EV_FREQUENT_CHECK;	4394	EV_FREQUENT_CHECK;
3972	}	4395	}
3973		4396
3974	void	4397	void
3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4398	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3976	{	4399	{
3977	clear_pending (EV_A_ (W)w);	4400	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4401	if (ecb_expect_false (!ev_is_active (w)))
3979	return;	4402	return;
3980		4403
3981	EV_FREQUENT_CHECK;	4404	EV_FREQUENT_CHECK;
3982		4405
3983	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4406	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3997		4420
3998	#define DEF_STAT_INTERVAL 5.0074891	4421	#define DEF_STAT_INTERVAL 5.0074891
3999	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4422	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4000	#define MIN_STAT_INTERVAL 0.1074891	4423	#define MIN_STAT_INTERVAL 0.1074891
4001		4424
4002	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4425	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4003		4426
4004	#if EV_USE_INOTIFY	4427	#if EV_USE_INOTIFY
4005		4428
4006	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4429	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4007	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4430	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4008		4431
4009	static void noinline	4432	ecb_noinline
		4433	static void
4010	infy_add (EV_P_ ev_stat *w)	4434	infy_add (EV_P_ ev_stat *w)
4011	{	4435	{
4012	w->wd = inotify_add_watch (fs_fd, w->path,	4436	w->wd = inotify_add_watch (fs_fd, w->path,
4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4437	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4438	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4078	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4502	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4079	ev_timer_again (EV_A_ &w->timer);	4503	ev_timer_again (EV_A_ &w->timer);
4080	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4081	}	4505	}
4082		4506
4083	static void noinline	4507	ecb_noinline
		4508	static void
4084	infy_del (EV_P_ ev_stat *w)	4509	infy_del (EV_P_ ev_stat *w)
4085	{	4510	{
4086	int slot;	4511	int slot;
4087	int wd = w->wd;	4512	int wd = w->wd;
4088		4513
…		…
4095		4520
4096	/* remove this watcher, if others are watching it, they will rearm */	4521	/* remove this watcher, if others are watching it, they will rearm */
4097	inotify_rm_watch (fs_fd, wd);	4522	inotify_rm_watch (fs_fd, wd);
4098	}	4523	}
4099		4524
4100	static void noinline	4525	ecb_noinline
		4526	static void
4101	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4527	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4102	{	4528	{
4103	if (slot < 0)	4529	if (slot < 0)
4104	/* overflow, need to check for all hash slots */	4530	/* overflow, need to check for all hash slots */
4105	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4531	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4141	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4567	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4142	ofs += sizeof (struct inotify_event) + ev->len;	4568	ofs += sizeof (struct inotify_event) + ev->len;
4143	}	4569	}
4144	}	4570	}
4145		4571
4146	inline_size void ecb_cold	4572	inline_size ecb_cold
		4573	void
4147	ev_check_2625 (EV_P)	4574	ev_check_2625 (EV_P)
4148	{	4575	{
4149	/* kernels < 2.6.25 are borked	4576	/* kernels < 2.6.25 are borked
4150	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4577	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4151	*/	4578	*/
…		…
4241	#else	4668	#else
4242	# define EV_LSTAT(p,b) lstat (p, b)	4669	# define EV_LSTAT(p,b) lstat (p, b)
4243	#endif	4670	#endif
4244		4671
4245	void	4672	void
4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4673	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4674	{
4248	if (lstat (w->path, &w->attr) < 0)	4675	if (lstat (w->path, &w->attr) < 0)
4249	w->attr.st_nlink = 0;	4676	w->attr.st_nlink = 0;
4250	else if (!w->attr.st_nlink)	4677	else if (!w->attr.st_nlink)
4251	w->attr.st_nlink = 1;	4678	w->attr.st_nlink = 1;
4252	}	4679	}
4253		4680
4254	static void noinline	4681	ecb_noinline
		4682	static void
4255	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4683	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4256	{	4684	{
4257	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4685	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4258		4686
4259	ev_statdata prev = w->attr;	4687	ev_statdata prev = w->attr;
…		…
4290	ev_feed_event (EV_A_ w, EV_STAT);	4718	ev_feed_event (EV_A_ w, EV_STAT);
4291	}	4719	}
4292	}	4720	}
4293		4721
4294	void	4722	void
4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4723	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4296	{	4724	{
4297	if (expect_false (ev_is_active (w)))	4725	if (ecb_expect_false (ev_is_active (w)))
4298	return;	4726	return;
4299		4727
4300	ev_stat_stat (EV_A_ w);	4728	ev_stat_stat (EV_A_ w);
4301		4729
4302	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4730	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4321		4749
4322	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
4323	}	4751	}
4324		4752
4325	void	4753	void
4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4754	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4327	{	4755	{
4328	clear_pending (EV_A_ (W)w);	4756	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4757	if (ecb_expect_false (!ev_is_active (w)))
4330	return;	4758	return;
4331		4759
4332	EV_FREQUENT_CHECK;	4760	EV_FREQUENT_CHECK;
4333		4761
4334	#if EV_USE_INOTIFY	4762	#if EV_USE_INOTIFY
…		…
4347	}	4775	}
4348	#endif	4776	#endif
4349		4777
4350	#if EV_IDLE_ENABLE	4778	#if EV_IDLE_ENABLE
4351	void	4779	void
4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4780	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4353	{	4781	{
4354	if (expect_false (ev_is_active (w)))	4782	if (ecb_expect_false (ev_is_active (w)))
4355	return;	4783	return;
4356		4784
4357	pri_adjust (EV_A_ (W)w);	4785	pri_adjust (EV_A_ (W)w);
4358		4786
4359	EV_FREQUENT_CHECK;	4787	EV_FREQUENT_CHECK;
…		…
4362	int active = ++idlecnt [ABSPRI (w)];	4790	int active = ++idlecnt [ABSPRI (w)];
4363		4791
4364	++idleall;	4792	++idleall;
4365	ev_start (EV_A_ (W)w, active);	4793	ev_start (EV_A_ (W)w, active);
4366		4794
4367	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4795	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4368	idles [ABSPRI (w)][active - 1] = w;	4796	idles [ABSPRI (w)][active - 1] = w;
4369	}	4797	}
4370		4798
4371	EV_FREQUENT_CHECK;	4799	EV_FREQUENT_CHECK;
4372	}	4800	}
4373		4801
4374	void	4802	void
4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4803	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4376	{	4804	{
4377	clear_pending (EV_A_ (W)w);	4805	clear_pending (EV_A_ (W)w);
4378	if (expect_false (!ev_is_active (w)))	4806	if (ecb_expect_false (!ev_is_active (w)))
4379	return;	4807	return;
4380		4808
4381	EV_FREQUENT_CHECK;	4809	EV_FREQUENT_CHECK;
4382		4810
4383	{	4811	{
…		…
4394	}	4822	}
4395	#endif	4823	#endif
4396		4824
4397	#if EV_PREPARE_ENABLE	4825	#if EV_PREPARE_ENABLE
4398	void	4826	void
4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4827	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4400	{	4828	{
4401	if (expect_false (ev_is_active (w)))	4829	if (ecb_expect_false (ev_is_active (w)))
4402	return;	4830	return;
4403		4831
4404	EV_FREQUENT_CHECK;	4832	EV_FREQUENT_CHECK;
4405		4833
4406	ev_start (EV_A_ (W)w, ++preparecnt);	4834	ev_start (EV_A_ (W)w, ++preparecnt);
4407	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4835	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4408	prepares [preparecnt - 1] = w;	4836	prepares [preparecnt - 1] = w;
4409		4837
4410	EV_FREQUENT_CHECK;	4838	EV_FREQUENT_CHECK;
4411	}	4839	}
4412		4840
4413	void	4841	void
4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4842	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4415	{	4843	{
4416	clear_pending (EV_A_ (W)w);	4844	clear_pending (EV_A_ (W)w);
4417	if (expect_false (!ev_is_active (w)))	4845	if (ecb_expect_false (!ev_is_active (w)))
4418	return;	4846	return;
4419		4847
4420	EV_FREQUENT_CHECK;	4848	EV_FREQUENT_CHECK;
4421		4849
4422	{	4850	{
…		…
4432	}	4860	}
4433	#endif	4861	#endif
4434		4862
4435	#if EV_CHECK_ENABLE	4863	#if EV_CHECK_ENABLE
4436	void	4864	void
4437	ev_check_start (EV_P_ ev_check *w) EV_THROW	4865	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4438	{	4866	{
4439	if (expect_false (ev_is_active (w)))	4867	if (ecb_expect_false (ev_is_active (w)))
4440	return;	4868	return;
4441		4869
4442	EV_FREQUENT_CHECK;	4870	EV_FREQUENT_CHECK;
4443		4871
4444	ev_start (EV_A_ (W)w, ++checkcnt);	4872	ev_start (EV_A_ (W)w, ++checkcnt);
4445	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4873	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4446	checks [checkcnt - 1] = w;	4874	checks [checkcnt - 1] = w;
4447		4875
4448	EV_FREQUENT_CHECK;	4876	EV_FREQUENT_CHECK;
4449	}	4877	}
4450		4878
4451	void	4879	void
4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4880	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4453	{	4881	{
4454	clear_pending (EV_A_ (W)w);	4882	clear_pending (EV_A_ (W)w);
4455	if (expect_false (!ev_is_active (w)))	4883	if (ecb_expect_false (!ev_is_active (w)))
4456	return;	4884	return;
4457		4885
4458	EV_FREQUENT_CHECK;	4886	EV_FREQUENT_CHECK;
4459		4887
4460	{	4888	{
…		…
4469	EV_FREQUENT_CHECK;	4897	EV_FREQUENT_CHECK;
4470	}	4898	}
4471	#endif	4899	#endif
4472		4900
4473	#if EV_EMBED_ENABLE	4901	#if EV_EMBED_ENABLE
4474	void noinline	4902	ecb_noinline
		4903	void
4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4904	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4476	{	4905	{
4477	ev_run (w->other, EVRUN_NOWAIT);	4906	ev_run (w->other, EVRUN_NOWAIT);
4478	}	4907	}
4479		4908
4480	static void	4909	static void
…		…
4528	ev_idle_stop (EV_A_ idle);	4957	ev_idle_stop (EV_A_ idle);
4529	}	4958	}
4530	#endif	4959	#endif
4531		4960
4532	void	4961	void
4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4962	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4534	{	4963	{
4535	if (expect_false (ev_is_active (w)))	4964	if (ecb_expect_false (ev_is_active (w)))
4536	return;	4965	return;
4537		4966
4538	{	4967	{
4539	EV_P = w->other;	4968	EV_P = w->other;
4540	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4969	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4559		4988
4560	EV_FREQUENT_CHECK;	4989	EV_FREQUENT_CHECK;
4561	}	4990	}
4562		4991
4563	void	4992	void
4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4993	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4565	{	4994	{
4566	clear_pending (EV_A_ (W)w);	4995	clear_pending (EV_A_ (W)w);
4567	if (expect_false (!ev_is_active (w)))	4996	if (ecb_expect_false (!ev_is_active (w)))
4568	return;	4997	return;
4569		4998
4570	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4571		5000
4572	ev_io_stop (EV_A_ &w->io);	5001	ev_io_stop (EV_A_ &w->io);
…		…
4579	}	5008	}
4580	#endif	5009	#endif
4581		5010
4582	#if EV_FORK_ENABLE	5011	#if EV_FORK_ENABLE
4583	void	5012	void
4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5013	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4585	{	5014	{
4586	if (expect_false (ev_is_active (w)))	5015	if (ecb_expect_false (ev_is_active (w)))
4587	return;	5016	return;
4588		5017
4589	EV_FREQUENT_CHECK;	5018	EV_FREQUENT_CHECK;
4590		5019
4591	ev_start (EV_A_ (W)w, ++forkcnt);	5020	ev_start (EV_A_ (W)w, ++forkcnt);
4592	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5021	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4593	forks [forkcnt - 1] = w;	5022	forks [forkcnt - 1] = w;
4594		5023
4595	EV_FREQUENT_CHECK;	5024	EV_FREQUENT_CHECK;
4596	}	5025	}
4597		5026
4598	void	5027	void
4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5028	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4600	{	5029	{
4601	clear_pending (EV_A_ (W)w);	5030	clear_pending (EV_A_ (W)w);
4602	if (expect_false (!ev_is_active (w)))	5031	if (ecb_expect_false (!ev_is_active (w)))
4603	return;	5032	return;
4604		5033
4605	EV_FREQUENT_CHECK;	5034	EV_FREQUENT_CHECK;
4606		5035
4607	{	5036	{
…		…
4617	}	5046	}
4618	#endif	5047	#endif
4619		5048
4620	#if EV_CLEANUP_ENABLE	5049	#if EV_CLEANUP_ENABLE
4621	void	5050	void
4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5051	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4623	{	5052	{
4624	if (expect_false (ev_is_active (w)))	5053	if (ecb_expect_false (ev_is_active (w)))
4625	return;	5054	return;
4626		5055
4627	EV_FREQUENT_CHECK;	5056	EV_FREQUENT_CHECK;
4628		5057
4629	ev_start (EV_A_ (W)w, ++cleanupcnt);	5058	ev_start (EV_A_ (W)w, ++cleanupcnt);
4630	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5059	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4631	cleanups [cleanupcnt - 1] = w;	5060	cleanups [cleanupcnt - 1] = w;
4632		5061
4633	/* cleanup watchers should never keep a refcount on the loop */	5062	/* cleanup watchers should never keep a refcount on the loop */
4634	ev_unref (EV_A);	5063	ev_unref (EV_A);
4635	EV_FREQUENT_CHECK;	5064	EV_FREQUENT_CHECK;
4636	}	5065	}
4637		5066
4638	void	5067	void
4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5068	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4640	{	5069	{
4641	clear_pending (EV_A_ (W)w);	5070	clear_pending (EV_A_ (W)w);
4642	if (expect_false (!ev_is_active (w)))	5071	if (ecb_expect_false (!ev_is_active (w)))
4643	return;	5072	return;
4644		5073
4645	EV_FREQUENT_CHECK;	5074	EV_FREQUENT_CHECK;
4646	ev_ref (EV_A);	5075	ev_ref (EV_A);
4647		5076
…		…
4658	}	5087	}
4659	#endif	5088	#endif
4660		5089
4661	#if EV_ASYNC_ENABLE	5090	#if EV_ASYNC_ENABLE
4662	void	5091	void
4663	ev_async_start (EV_P_ ev_async *w) EV_THROW	5092	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4664	{	5093	{
4665	if (expect_false (ev_is_active (w)))	5094	if (ecb_expect_false (ev_is_active (w)))
4666	return;	5095	return;
4667		5096
4668	w->sent = 0;	5097	w->sent = 0;
4669		5098
4670	evpipe_init (EV_A);	5099	evpipe_init (EV_A);
4671		5100
4672	EV_FREQUENT_CHECK;	5101	EV_FREQUENT_CHECK;
4673		5102
4674	ev_start (EV_A_ (W)w, ++asynccnt);	5103	ev_start (EV_A_ (W)w, ++asynccnt);
4675	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5104	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4676	asyncs [asynccnt - 1] = w;	5105	asyncs [asynccnt - 1] = w;
4677		5106
4678	EV_FREQUENT_CHECK;	5107	EV_FREQUENT_CHECK;
4679	}	5108	}
4680		5109
4681	void	5110	void
4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5111	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4683	{	5112	{
4684	clear_pending (EV_A_ (W)w);	5113	clear_pending (EV_A_ (W)w);
4685	if (expect_false (!ev_is_active (w)))	5114	if (ecb_expect_false (!ev_is_active (w)))
4686	return;	5115	return;
4687		5116
4688	EV_FREQUENT_CHECK;	5117	EV_FREQUENT_CHECK;
4689		5118
4690	{	5119	{
…		…
4698		5127
4699	EV_FREQUENT_CHECK;	5128	EV_FREQUENT_CHECK;
4700	}	5129	}
4701		5130
4702	void	5131	void
4703	ev_async_send (EV_P_ ev_async *w) EV_THROW	5132	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4704	{	5133	{
4705	w->sent = 1;	5134	w->sent = 1;
4706	evpipe_write (EV_A_ &async_pending);	5135	evpipe_write (EV_A_ &async_pending);
4707	}	5136	}
4708	#endif	5137	#endif
…		…
4745		5174
4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5175	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4747	}	5176	}
4748		5177
4749	void	5178	void
4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5179	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4751	{	5180	{
4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5181	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4753
4754	if (expect_false (!once))
4755	{
4756	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4757	return;
4758	}
4759		5182
4760	once->cb = cb;	5183	once->cb = cb;
4761	once->arg = arg;	5184	once->arg = arg;
4762		5185
4763	ev_init (&once->io, once_cb_io);	5186	ev_init (&once->io, once_cb_io);
…		…
4776	}	5199	}
4777		5200
4778	/*****************************************************************************/	5201	/*****************************************************************************/
4779		5202
4780	#if EV_WALK_ENABLE	5203	#if EV_WALK_ENABLE
4781	void ecb_cold	5204	ecb_cold
		5205	void
4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5206	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4783	{	5207	{
4784	int i, j;	5208	int i, j;
4785	ev_watcher_list *wl, *wn;	5209	ev_watcher_list *wl, *wn;
4786		5210
4787	if (types & (EV_IO | EV_EMBED))	5211	if (types & (EV_IO | EV_EMBED))

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