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Comparing libev/ev.c (file contents):
Revision 1.462 by root, Sun Jan 5 02:59:36 2014 UTC vs.
Revision 1.501 by root, Mon Jul 1 21:47:42 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 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	269	# endif
259	#endif	270	#endif
260		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
		278	# endif
		279	#endif
		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	283	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	284	# else
265	# define EV_USE_MONOTONIC 0	285	# define EV_USE_MONOTONIC 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
309	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	348	# else
313	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
354		390
355	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	393	#endif
358		394
359	#ifdef ANDROID	395	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	414	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
383	# else	420	# else
384	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	423	# endif
387	#endif	424	#endif
…		…
405		442
406	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */
		453	# undef EV_USE_LINUXAIO
		454	# define EV_USE_LINUXAIO 0
		455	# else
		456	# define EV_NEED_SYSCALL 1
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !__alpha && !SYS_io_uring_setup
		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
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
410	# endif	472	# endif
411	#endif	473	#endif
412		474
413	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	518	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
458	};	520	};
459	#endif	521	#endif
460		522
461	/**/	523	/*****************************************************************************/
		524
		525	#if EV_NEED_SYSCALL
		526
		527	#include <sys/syscall.h>
		528
		529	/*
		530	* define some syscall wrappers for common architectures
		531	* this is mostly for nice looks during debugging, not performance.
		532	* our syscalls return < 0, not == -1, on error. which is good
		533	* enough for linux aio.
		534	* TODO: arm is also common nowadays, maybe even mips and x86
		535	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		536	*/
		537	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		538	/* the costly errno access probably kills this for size optimisation */
		539
		540	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \
		541	({ \
		542	long res; \
		543	register unsigned long r5 __asm__ ("r8" ); \
		544	register unsigned long r4 __asm__ ("r10"); \
		545	register unsigned long r3 __asm__ ("rdx"); \
		546	register unsigned long r2 __asm__ ("rsi"); \
		547	register unsigned long r1 __asm__ ("rdi"); \
		548	if (narg >= 5) r5 = (unsigned long)(arg5); \
		549	if (narg >= 4) r4 = (unsigned long)(arg4); \
		550	if (narg >= 3) r3 = (unsigned long)(arg3); \
		551	if (narg >= 2) r2 = (unsigned long)(arg2); \
		552	if (narg >= 1) r1 = (unsigned long)(arg1); \
		553	__asm__ __volatile__ ( \
		554	"syscall\n\t" \
		555	: "=a" (res) \
		556	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		557	: "cc", "r11", "cx", "memory"); \
		558	errno = -res; \
		559	res; \
		560	})
		561
		562	#endif
		563
		564	#ifdef ev_syscall
		565	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0
		566	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0)
		567	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0)
		568	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0)
		569	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0)
		570	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5)
		571	#else
		572	#define ev_syscall0(nr) syscall (nr)
		573	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		574	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		575	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		576	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		577	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		578	#endif
		579
		580	#endif
		581
		582	/*****************************************************************************/
462		583
463	#if EV_VERIFY >= 3	584	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	585	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	586	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	587	# define EV_FREQUENT_CHECK do { } while (0)
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	603	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	604	/* ECB.H BEGIN */
484	/*	605	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	606	* libecb - http://software.schmorp.de/pkg/libecb
486	*	607	*
487	* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>	608	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	609	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	610	* All rights reserved.
490	*	611	*
491	* Redistribution and use in source and binary forms, with or without modifica-	612	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	613	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	627	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	628	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	629	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
509	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	630	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	631	* OF THE POSSIBILITY OF SUCH DAMAGE.
		632	*
		633	* Alternatively, the contents of this file may be used under the terms of
		634	* the GNU General Public License ("GPL") version 2 or any later version,
		635	* in which case the provisions of the GPL are applicable instead of
		636	* the above. If you wish to allow the use of your version of this file
		637	* only under the terms of the GPL and not to allow others to use your
		638	* version of this file under the BSD license, indicate your decision
		639	* by deleting the provisions above and replace them with the notice
		640	* and other provisions required by the GPL. If you do not delete the
		641	* provisions above, a recipient may use your version of this file under
		642	* either the BSD or the GPL.
511	*/	643	*/
512		644
513	#ifndef ECB_H	645	#ifndef ECB_H
514	#define ECB_H	646	#define ECB_H
515		647
516	/* 16 bits major, 16 bits minor */	648	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	649	#define ECB_VERSION 0x00010006
518		650
519	#ifdef _WIN32	651	#ifdef _WIN32
520	typedef signed char int8_t;	652	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	653	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	654	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	671	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	672	typedef int32_t intptr_t;
541	#endif	673	#endif
542	#else	674	#else
543	#include <inttypes.h>	675	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	676	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	677	#define ECB_PTRSIZE 8
546	#else	678	#else
547	#define ECB_PTRSIZE 4	679	#define ECB_PTRSIZE 4
548	#endif	680	#endif
549	#endif	681	#endif
550		682
		683	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		684	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		685
551	/* work around x32 idiocy by defining proper macros */	686	/* work around x32 idiocy by defining proper macros */
552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	687	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	688	#if _ILP32
554	#define ECB_AMD64_X32 1	689	#define ECB_AMD64_X32 1
555	#else	690	#else
556	#define ECB_AMD64 1	691	#define ECB_AMD64 1
557	#endif	692	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	697	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	698	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	699	* we try to detect these and simply assume they are not gcc - if they have
565	* an issue with that they should have done it right in the first place.	700	* an issue with that they should have done it right in the first place.
566	*/	701	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	702	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
569	#define ECB_GCC_VERSION(major,minor) 0	703	#define ECB_GCC_VERSION(major,minor) 0
570	#else	704	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	705	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	706	#endif
573	#endif
574		707
575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	708	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	709
577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	710	#if __clang__ && defined __has_builtin
		711	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		712	#else
		713	#define ECB_CLANG_BUILTIN(x) 0
		714	#endif
		715
		716	#if __clang__ && defined __has_extension
		717	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		718	#else
		719	#define ECB_CLANG_EXTENSION(x) 0
		720	#endif
		721
578	#define ECB_CPP (__cplusplus+0)	722	#define ECB_CPP (__cplusplus+0)
579	#define ECB_CPP11 (__cplusplus >= 201103L)	723	#define ECB_CPP11 (__cplusplus >= 201103L)
		724	#define ECB_CPP14 (__cplusplus >= 201402L)
		725	#define ECB_CPP17 (__cplusplus >= 201703L)
		726
		727	#if ECB_CPP
		728	#define ECB_C 0
		729	#define ECB_STDC_VERSION 0
		730	#else
		731	#define ECB_C 1
		732	#define ECB_STDC_VERSION __STDC_VERSION__
		733	#endif
		734
		735	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		736	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		737	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
580		738
581	#if ECB_CPP	739	#if ECB_CPP
582	#define ECB_EXTERN_C extern "C"	740	#define ECB_EXTERN_C extern "C"
583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	741	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584	#define ECB_EXTERN_C_END }	742	#define ECB_EXTERN_C_END }
…		…
599		757
600	#if ECB_NO_SMP	758	#if ECB_NO_SMP
601	#define ECB_MEMORY_FENCE do { } while (0)	759	#define ECB_MEMORY_FENCE do { } while (0)
602	#endif	760	#endif
603		761
		762	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		763	#if __xlC__ && ECB_CPP
		764	#include <builtins.h>
		765	#endif
		766
		767	#if 1400 <= _MSC_VER
		768	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		769	#endif
		770
604	#ifndef ECB_MEMORY_FENCE	771	#ifndef ECB_MEMORY_FENCE
605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	772	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		773	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
606	#if __i386 || __i386__	774	#if __i386 || __i386__
607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	775	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	776	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	777	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	778	#elif ECB_GCC_AMD64
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	779	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	780	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	781	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	782	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	783	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		784	#elif defined __ARM_ARCH_2__ \
		785	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		786	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		787	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		788	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		789	|| defined __ARM_ARCH_5TEJ__
		790	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	791	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	792	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		793	|| defined __ARM_ARCH_6T2__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	794	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	795	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	796	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	797	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		798	#elif __aarch64__
		799	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
622	#elif (__sparc || __sparc__) && !__sparcv8	800	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	801	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	802	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	803	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626	#elif defined __s390__ || defined __s390x__	804	#elif defined __s390__ || defined __s390x__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	805	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
648		826
649	#ifndef ECB_MEMORY_FENCE	827	#ifndef ECB_MEMORY_FENCE
650	#if ECB_GCC_VERSION(4,7)	828	#if ECB_GCC_VERSION(4,7)
651	/* see comment below (stdatomic.h) about the C11 memory model. */	829	/* see comment below (stdatomic.h) about the C11 memory model. */
652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	830	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		831	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		832	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		833	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
653		834
654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	835	#elif ECB_CLANG_EXTENSION(c_atomic)
655	* without risking compile time errors with other compilers. We *could*
656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
657	* around this shit time and again.
658	* #elif defined __clang && __has_feature (cxx_atomic)
659	* // see comment below (stdatomic.h) about the C11 memory model.	836	/* see comment below (stdatomic.h) about the C11 memory model. */
660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	837	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661	*/	838	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		839	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		840	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
662		841
663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	842	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664	#define ECB_MEMORY_FENCE __sync_synchronize ()	843	#define ECB_MEMORY_FENCE __sync_synchronize ()
665	#elif _MSC_VER >= 1500 /* VC++ 2008 */	844	#elif _MSC_VER >= 1500 /* VC++ 2008 */
666	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	845	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
676	#elif defined _WIN32	855	#elif defined _WIN32
677	#include <WinNT.h>	856	#include <WinNT.h>
678	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	857	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
679	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	858	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
680	#include <mbarrier.h>	859	#include <mbarrier.h>
681	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	860	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
682	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	861	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
683	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	862	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		863	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
684	#elif __xlC__	864	#elif __xlC__
685	#define ECB_MEMORY_FENCE __sync ()	865	#define ECB_MEMORY_FENCE __sync ()
686	#endif	866	#endif
687	#endif	867	#endif
688		868
689	#ifndef ECB_MEMORY_FENCE	869	#ifndef ECB_MEMORY_FENCE
690	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	870	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
691	/* we assume that these memory fences work on all variables/all memory accesses, */	871	/* we assume that these memory fences work on all variables/all memory accesses, */
692	/* not just C11 atomics and atomic accesses */	872	/* not just C11 atomics and atomic accesses */
693	#include <stdatomic.h>	873	#include <stdatomic.h>
694	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
695	/* any fence other than seq_cst, which isn't very efficient for us. */
696	/* Why that is, we don't know - either the C11 memory model is quite useless */
697	/* for most usages, or gcc and clang have a bug */
698	/* I *currently* lean towards the latter, and inefficiently implement */
699	/* all three of ecb's fences as a seq_cst fence */
700	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	874	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		875	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		876	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
701	#endif	877	#endif
702	#endif	878	#endif
703		879
704	#ifndef ECB_MEMORY_FENCE	880	#ifndef ECB_MEMORY_FENCE
705	#if !ECB_AVOID_PTHREADS	881	#if !ECB_AVOID_PTHREADS
…		…
725		901
726	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	902	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
727	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	903	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
728	#endif	904	#endif
729		905
		906	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		907	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		908	#endif
		909
730	/*****************************************************************************/	910	/*****************************************************************************/
731		911
732	#if __cplusplus	912	#if ECB_CPP
733	#define ecb_inline static inline	913	#define ecb_inline static inline
734	#elif ECB_GCC_VERSION(2,5)	914	#elif ECB_GCC_VERSION(2,5)
735	#define ecb_inline static __inline__	915	#define ecb_inline static __inline__
736	#elif ECB_C99	916	#elif ECB_C99
737	#define ecb_inline static inline	917	#define ecb_inline static inline
…		…
751		931
752	#define ECB_CONCAT_(a, b) a ## b	932	#define ECB_CONCAT_(a, b) a ## b
753	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	933	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
754	#define ECB_STRINGIFY_(a) # a	934	#define ECB_STRINGIFY_(a) # a
755	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	935	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		936	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
756		937
757	#define ecb_function_ ecb_inline	938	#define ecb_function_ ecb_inline
758		939
759	#if ECB_GCC_VERSION(3,1)	940	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
760	#define ecb_attribute(attrlist) __attribute__(attrlist)	941	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		942	#else
		943	#define ecb_attribute(attrlist)
		944	#endif
		945
		946	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
761	#define ecb_is_constant(expr) __builtin_constant_p (expr)	947	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		948	#else
		949	/* possible C11 impl for integral types
		950	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		951	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		952
		953	#define ecb_is_constant(expr) 0
		954	#endif
		955
		956	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
762	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	957	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		958	#else
		959	#define ecb_expect(expr,value) (expr)
		960	#endif
		961
		962	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
763	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	963	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
764	#else	964	#else
765	#define ecb_attribute(attrlist)
766	#define ecb_is_constant(expr) 0
767	#define ecb_expect(expr,value) (expr)
768	#define ecb_prefetch(addr,rw,locality)	965	#define ecb_prefetch(addr,rw,locality)
769	#endif	966	#endif
770		967
771	/* no emulation for ecb_decltype */	968	/* no emulation for ecb_decltype */
772	#if ECB_GCC_VERSION(4,5)	969	#if ECB_CPP11
		970	// older implementations might have problems with decltype(x)::type, work around it
		971	template<class T> struct ecb_decltype_t { typedef T type; };
773	#define ecb_decltype(x) __decltype(x)	972	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
774	#elif ECB_GCC_VERSION(3,0)	973	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
775	#define ecb_decltype(x) __typeof(x)	974	#define ecb_decltype(x) __typeof__ (x)
776	#endif	975	#endif
777		976
		977	#if _MSC_VER >= 1300
		978	#define ecb_deprecated __declspec (deprecated)
		979	#else
		980	#define ecb_deprecated ecb_attribute ((__deprecated__))
		981	#endif
		982
		983	#if _MSC_VER >= 1500
		984	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		985	#elif ECB_GCC_VERSION(4,5)
		986	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		987	#else
		988	#define ecb_deprecated_message(msg) ecb_deprecated
		989	#endif
		990
		991	#if _MSC_VER >= 1400
		992	#define ecb_noinline __declspec (noinline)
		993	#else
778	#define ecb_noinline ecb_attribute ((__noinline__))	994	#define ecb_noinline ecb_attribute ((__noinline__))
		995	#endif
		996
779	#define ecb_unused ecb_attribute ((__unused__))	997	#define ecb_unused ecb_attribute ((__unused__))
780	#define ecb_const ecb_attribute ((__const__))	998	#define ecb_const ecb_attribute ((__const__))
781	#define ecb_pure ecb_attribute ((__pure__))	999	#define ecb_pure ecb_attribute ((__pure__))
782		1000
783	#if ECB_C11	1001	#if ECB_C11 || __IBMC_NORETURN
		1002	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
784	#define ecb_noreturn _Noreturn	1003	#define ecb_noreturn _Noreturn
		1004	#elif ECB_CPP11
		1005	#define ecb_noreturn [[noreturn]]
		1006	#elif _MSC_VER >= 1200
		1007	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		1008	#define ecb_noreturn __declspec (noreturn)
785	#else	1009	#else
786	#define ecb_noreturn ecb_attribute ((__noreturn__))	1010	#define ecb_noreturn ecb_attribute ((__noreturn__))
787	#endif	1011	#endif
788		1012
789	#if ECB_GCC_VERSION(4,3)	1013	#if ECB_GCC_VERSION(4,3)
…		…
804	/* for compatibility to the rest of the world */	1028	/* for compatibility to the rest of the world */
805	#define ecb_likely(expr) ecb_expect_true (expr)	1029	#define ecb_likely(expr) ecb_expect_true (expr)
806	#define ecb_unlikely(expr) ecb_expect_false (expr)	1030	#define ecb_unlikely(expr) ecb_expect_false (expr)
807		1031
808	/* count trailing zero bits and count # of one bits */	1032	/* count trailing zero bits and count # of one bits */
809	#if ECB_GCC_VERSION(3,4)	1033	#if ECB_GCC_VERSION(3,4) \
		1034	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		1035	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		1036	&& ECB_CLANG_BUILTIN(__builtin_popcount))
810	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	1037	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
811	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	1038	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
812	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	1039	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
813	#define ecb_ctz32(x) __builtin_ctz (x)	1040	#define ecb_ctz32(x) __builtin_ctz (x)
814	#define ecb_ctz64(x) __builtin_ctzll (x)	1041	#define ecb_ctz64(x) __builtin_ctzll (x)
815	#define ecb_popcount32(x) __builtin_popcount (x)	1042	#define ecb_popcount32(x) __builtin_popcount (x)
816	/* no popcountll */	1043	/* no popcountll */
817	#else	1044	#else
818	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	1045	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
819	ecb_function_ int	1046	ecb_function_ ecb_const int
820	ecb_ctz32 (uint32_t x)	1047	ecb_ctz32 (uint32_t x)
821	{	1048	{
		1049	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1050	unsigned long r;
		1051	_BitScanForward (&r, x);
		1052	return (int)r;
		1053	#else
822	int r = 0;	1054	int r = 0;
823		1055
824	x &= ~x + 1; /* this isolates the lowest bit */	1056	x &= ~x + 1; /* this isolates the lowest bit */
825		1057
826	#if ECB_branchless_on_i386	1058	#if ECB_branchless_on_i386
…		…
836	if (x & 0xff00ff00) r += 8;	1068	if (x & 0xff00ff00) r += 8;
837	if (x & 0xffff0000) r += 16;	1069	if (x & 0xffff0000) r += 16;
838	#endif	1070	#endif
839		1071
840	return r;	1072	return r;
		1073	#endif
841	}	1074	}
842		1075
843	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1076	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
844	ecb_function_ int	1077	ecb_function_ ecb_const int
845	ecb_ctz64 (uint64_t x)	1078	ecb_ctz64 (uint64_t x)
846	{	1079	{
		1080	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1081	unsigned long r;
		1082	_BitScanForward64 (&r, x);
		1083	return (int)r;
		1084	#else
847	int shift = x & 0xffffffffU ? 0 : 32;	1085	int shift = x & 0xffffffff ? 0 : 32;
848	return ecb_ctz32 (x >> shift) + shift;	1086	return ecb_ctz32 (x >> shift) + shift;
		1087	#endif
849	}	1088	}
850		1089
851	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1090	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
852	ecb_function_ int	1091	ecb_function_ ecb_const int
853	ecb_popcount32 (uint32_t x)	1092	ecb_popcount32 (uint32_t x)
854	{	1093	{
855	x -= (x >> 1) & 0x55555555;	1094	x -= (x >> 1) & 0x55555555;
856	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1095	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
857	x = ((x >> 4) + x) & 0x0f0f0f0f;	1096	x = ((x >> 4) + x) & 0x0f0f0f0f;
858	x *= 0x01010101;	1097	x *= 0x01010101;
859		1098
860	return x >> 24;	1099	return x >> 24;
861	}	1100	}
862		1101
863	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1102	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
864	ecb_function_ int ecb_ld32 (uint32_t x)	1103	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
865	{	1104	{
		1105	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1106	unsigned long r;
		1107	_BitScanReverse (&r, x);
		1108	return (int)r;
		1109	#else
866	int r = 0;	1110	int r = 0;
867		1111
868	if (x >> 16) { x >>= 16; r += 16; }	1112	if (x >> 16) { x >>= 16; r += 16; }
869	if (x >> 8) { x >>= 8; r += 8; }	1113	if (x >> 8) { x >>= 8; r += 8; }
870	if (x >> 4) { x >>= 4; r += 4; }	1114	if (x >> 4) { x >>= 4; r += 4; }
871	if (x >> 2) { x >>= 2; r += 2; }	1115	if (x >> 2) { x >>= 2; r += 2; }
872	if (x >> 1) { r += 1; }	1116	if (x >> 1) { r += 1; }
873		1117
874	return r;	1118	return r;
		1119	#endif
875	}	1120	}
876		1121
877	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1122	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
878	ecb_function_ int ecb_ld64 (uint64_t x)	1123	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
879	{	1124	{
		1125	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1126	unsigned long r;
		1127	_BitScanReverse64 (&r, x);
		1128	return (int)r;
		1129	#else
880	int r = 0;	1130	int r = 0;
881		1131
882	if (x >> 32) { x >>= 32; r += 32; }	1132	if (x >> 32) { x >>= 32; r += 32; }
883		1133
884	return r + ecb_ld32 (x);	1134	return r + ecb_ld32 (x);
		1135	#endif
885	}	1136	}
886	#endif	1137	#endif
887		1138
888	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1139	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
889	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1140	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
890	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1141	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
891	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1142	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
892		1143
893	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1144	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
894	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1145	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
895	{	1146	{
896	return ( (x * 0x0802U & 0x22110U)	1147	return ( (x * 0x0802U & 0x22110U)
897	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1148	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
898	}	1149	}
899		1150
900	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1151	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
901	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1152	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
902	{	1153	{
903	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1154	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
904	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1155	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
905	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1156	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
906	x = ( x >> 8 ) | ( x << 8);	1157	x = ( x >> 8 ) | ( x << 8);
907		1158
908	return x;	1159	return x;
909	}	1160	}
910		1161
911	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1162	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
912	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1163	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
913	{	1164	{
914	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1165	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
915	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1166	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
916	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1167	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
917	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1168	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
920	return x;	1171	return x;
921	}	1172	}
922		1173
923	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1174	/* popcount64 is only available on 64 bit cpus as gcc builtin */
924	/* so for this version we are lazy */	1175	/* so for this version we are lazy */
925	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1176	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
926	ecb_function_ int	1177	ecb_function_ ecb_const int
927	ecb_popcount64 (uint64_t x)	1178	ecb_popcount64 (uint64_t x)
928	{	1179	{
929	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1180	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
930	}	1181	}
931		1182
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1183	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1184	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1185	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1186	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1187	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1188	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1189	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1190	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
940		1191
941	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1192	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
942	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1193	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
943	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1194	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
944	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1195	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
945	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1196	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
946	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1197	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
947	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1198	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
948	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1199	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
949		1200
950	#if ECB_GCC_VERSION(4,3)	1201	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1202	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1203	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1204	#else
951	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1205	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1206	#endif
952	#define ecb_bswap32(x) __builtin_bswap32 (x)	1207	#define ecb_bswap32(x) __builtin_bswap32 (x)
953	#define ecb_bswap64(x) __builtin_bswap64 (x)	1208	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1209	#elif _MSC_VER
		1210	#include <stdlib.h>
		1211	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1212	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1213	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
954	#else	1214	#else
955	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1215	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
956	ecb_function_ uint16_t	1216	ecb_function_ ecb_const uint16_t
957	ecb_bswap16 (uint16_t x)	1217	ecb_bswap16 (uint16_t x)
958	{	1218	{
959	return ecb_rotl16 (x, 8);	1219	return ecb_rotl16 (x, 8);
960	}	1220	}
961		1221
962	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1222	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
963	ecb_function_ uint32_t	1223	ecb_function_ ecb_const uint32_t
964	ecb_bswap32 (uint32_t x)	1224	ecb_bswap32 (uint32_t x)
965	{	1225	{
966	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1226	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
967	}	1227	}
968		1228
969	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1229	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
970	ecb_function_ uint64_t	1230	ecb_function_ ecb_const uint64_t
971	ecb_bswap64 (uint64_t x)	1231	ecb_bswap64 (uint64_t x)
972	{	1232	{
973	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1233	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
974	}	1234	}
975	#endif	1235	#endif
976		1236
977	#if ECB_GCC_VERSION(4,5)	1237	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
978	#define ecb_unreachable() __builtin_unreachable ()	1238	#define ecb_unreachable() __builtin_unreachable ()
979	#else	1239	#else
980	/* this seems to work fine, but gcc always emits a warning for it :/ */	1240	/* this seems to work fine, but gcc always emits a warning for it :/ */
981	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1241	ecb_inline ecb_noreturn void ecb_unreachable (void);
982	ecb_inline void ecb_unreachable (void) { }	1242	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
983	#endif	1243	#endif
984		1244
985	/* try to tell the compiler that some condition is definitely true */	1245	/* try to tell the compiler that some condition is definitely true */
986	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1246	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
987		1247
988	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1248	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
989	ecb_inline unsigned char	1249	ecb_inline ecb_const uint32_t
990	ecb_byteorder_helper (void)	1250	ecb_byteorder_helper (void)
991	{	1251	{
992	/* the union code still generates code under pressure in gcc, */	1252	/* the union code still generates code under pressure in gcc, */
993	/* but less than using pointers, and always seems to */	1253	/* but less than using pointers, and always seems to */
994	/* successfully return a constant. */	1254	/* successfully return a constant. */
995	/* the reason why we have this horrible preprocessor mess */	1255	/* the reason why we have this horrible preprocessor mess */
996	/* is to avoid it in all cases, at least on common architectures */	1256	/* is to avoid it in all cases, at least on common architectures */
997	/* or when using a recent enough gcc version (>= 4.6) */	1257	/* or when using a recent enough gcc version (>= 4.6) */
998	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
999	return 0x44;
1000	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1258	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1259	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1260	#define ECB_LITTLE_ENDIAN 1
1001	return 0x44;	1261	return 0x44332211;
1002	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1262	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1263	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1264	#define ECB_BIG_ENDIAN 1
1003	return 0x11;	1265	return 0x11223344;
1004	#else	1266	#else
1005	union	1267	union
1006	{	1268	{
		1269	uint8_t c[4];
1007	uint32_t i;	1270	uint32_t u;
1008	uint8_t c;
1009	} u = { 0x11223344 };	1271	} u = { 0x11, 0x22, 0x33, 0x44 };
1010	return u.c;	1272	return u.u;
1011	#endif	1273	#endif
1012	}	1274	}
1013		1275
1014	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1276	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1015	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1277	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1016	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1278	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1017	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1279	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1018		1280
1019	#if ECB_GCC_VERSION(3,0) || ECB_C99	1281	#if ECB_GCC_VERSION(3,0) || ECB_C99
1020	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1282	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1021	#else	1283	#else
1022	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1284	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1023	#endif	1285	#endif
1024		1286
1025	#if __cplusplus	1287	#if ECB_CPP
1026	template<typename T>	1288	template<typename T>
1027	static inline T ecb_div_rd (T val, T div)	1289	static inline T ecb_div_rd (T val, T div)
1028	{	1290	{
1029	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1291	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1030	}	1292	}
…		…
1047	}	1309	}
1048	#else	1310	#else
1049	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1311	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1050	#endif	1312	#endif
1051		1313
		1314	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1315	ecb_function_ ecb_const uint32_t
		1316	ecb_binary16_to_binary32 (uint32_t x)
		1317	{
		1318	unsigned int s = (x & 0x8000) << (31 - 15);
		1319	int e = (x >> 10) & 0x001f;
		1320	unsigned int m = x & 0x03ff;
		1321
		1322	if (ecb_expect_false (e == 31))
		1323	/* infinity or NaN */
		1324	e = 255 - (127 - 15);
		1325	else if (ecb_expect_false (!e))
		1326	{
		1327	if (ecb_expect_true (!m))
		1328	/* zero, handled by code below by forcing e to 0 */
		1329	e = 0 - (127 - 15);
		1330	else
		1331	{
		1332	/* subnormal, renormalise */
		1333	unsigned int s = 10 - ecb_ld32 (m);
		1334
		1335	m = (m << s) & 0x3ff; /* mask implicit bit */
		1336	e -= s - 1;
		1337	}
		1338	}
		1339
		1340	/* e and m now are normalised, or zero, (or inf or nan) */
		1341	e += 127 - 15;
		1342
		1343	return s | (e << 23) | (m << (23 - 10));
		1344	}
		1345
		1346	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1347	ecb_function_ ecb_const uint16_t
		1348	ecb_binary32_to_binary16 (uint32_t x)
		1349	{
		1350	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1351	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1352	unsigned int m = x & 0x007fffff;
		1353
		1354	x &= 0x7fffffff;
		1355
		1356	/* if it's within range of binary16 normals, use fast path */
		1357	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1358	{
		1359	/* mantissa round-to-even */
		1360	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1361
		1362	/* handle overflow */
		1363	if (ecb_expect_false (m >= 0x00800000))
		1364	{
		1365	m >>= 1;
		1366	e += 1;
		1367	}
		1368
		1369	return s | (e << 10) | (m >> (23 - 10));
		1370	}
		1371
		1372	/* handle large numbers and infinity */
		1373	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1374	return s | 0x7c00;
		1375
		1376	/* handle zero, subnormals and small numbers */
		1377	if (ecb_expect_true (x < 0x38800000))
		1378	{
		1379	/* zero */
		1380	if (ecb_expect_true (!x))
		1381	return s;
		1382
		1383	/* handle subnormals */
		1384
		1385	/* too small, will be zero */
		1386	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1387	return s;
		1388
		1389	m |= 0x00800000; /* make implicit bit explicit */
		1390
		1391	/* very tricky - we need to round to the nearest e (+10) bit value */
		1392	{
		1393	unsigned int bits = 14 - e;
		1394	unsigned int half = (1 << (bits - 1)) - 1;
		1395	unsigned int even = (m >> bits) & 1;
		1396
		1397	/* if this overflows, we will end up with a normalised number */
		1398	m = (m + half + even) >> bits;
		1399	}
		1400
		1401	return s | m;
		1402	}
		1403
		1404	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1405	m >>= 13;
		1406
		1407	return s | 0x7c00 | m | !m;
		1408	}
		1409
1052	/*******************************************************************************/	1410	/*******************************************************************************/
1053	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1411	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1054		1412
1055	/* basically, everything uses "ieee pure-endian" floating point numbers */	1413	/* basically, everything uses "ieee pure-endian" floating point numbers */
1056	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1414	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1057	#if 0 \	1415	#if 0 \
1058	|| __i386 || __i386__ \	1416	|| __i386 || __i386__ \
1059	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1417	|| ECB_GCC_AMD64 \
1060	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1418	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1061	|| defined __arm__ && defined __ARM_EABI__ \
1062	|| defined __s390__ || defined __s390x__ \	1419	|| defined __s390__ || defined __s390x__ \
1063	|| defined __mips__ \	1420	|| defined __mips__ \
1064	|| defined __alpha__ \	1421	|| defined __alpha__ \
1065	|| defined __hppa__ \	1422	|| defined __hppa__ \
1066	|| defined __ia64__ \	1423	|| defined __ia64__ \
1067	|| defined __m68k__ \	1424	|| defined __m68k__ \
1068	|| defined __m88k__ \	1425	|| defined __m88k__ \
1069	|| defined __sh__ \	1426	|| defined __sh__ \
1070	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1427	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1428	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1429	|| defined __aarch64__
1071	#define ECB_STDFP 1	1430	#define ECB_STDFP 1
1072	#include <string.h> /* for memcpy */	1431	#include <string.h> /* for memcpy */
1073	#else	1432	#else
1074	#define ECB_STDFP 0	1433	#define ECB_STDFP 0
1075	#endif	1434	#endif
…		…
1089	#define ECB_NAN NAN	1448	#define ECB_NAN NAN
1090	#else	1449	#else
1091	#define ECB_NAN ECB_INFINITY	1450	#define ECB_NAN ECB_INFINITY
1092	#endif	1451	#endif
1093		1452
1094	/* converts an ieee half/binary16 to a float */	1453	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1095	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1454	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1096	ecb_function_ float	1455	#define ecb_frexpf(x,e) frexpf ((x), (e))
1097	ecb_binary16_to_float (uint16_t x)	1456	#else
1098	{	1457	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1099	int e = (x >> 10) & 0x1f;	1458	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1100	int m = x & 0x3ff;	1459	#endif
1101	float r;
1102
1103	if (!e ) r = ldexpf (m , -24);
1104	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1105	else if (m ) r = ECB_NAN;
1106	else r = ECB_INFINITY;
1107
1108	return x & 0x8000 ? -r : r;
1109	}
1110		1460
1111	/* convert a float to ieee single/binary32 */	1461	/* convert a float to ieee single/binary32 */
1112	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1462	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1113	ecb_function_ uint32_t	1463	ecb_function_ ecb_const uint32_t
1114	ecb_float_to_binary32 (float x)	1464	ecb_float_to_binary32 (float x)
1115	{	1465	{
1116	uint32_t r;	1466	uint32_t r;
1117		1467
1118	#if ECB_STDFP	1468	#if ECB_STDFP
…		…
1125	if (x == 0e0f ) return 0x00000000U;	1475	if (x == 0e0f ) return 0x00000000U;
1126	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1476	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1127	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1477	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1128	if (x != x ) return 0x7fbfffffU;	1478	if (x != x ) return 0x7fbfffffU;
1129		1479
1130	m = frexpf (x, &e) * 0x1000000U;	1480	m = ecb_frexpf (x, &e) * 0x1000000U;
1131		1481
1132	r = m & 0x80000000U;	1482	r = m & 0x80000000U;
1133		1483
1134	if (r)	1484	if (r)
1135	m = -m;	1485	m = -m;
…		…
1147		1497
1148	return r;	1498	return r;
1149	}	1499	}
1150		1500
1151	/* converts an ieee single/binary32 to a float */	1501	/* converts an ieee single/binary32 to a float */
1152	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1502	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1153	ecb_function_ float	1503	ecb_function_ ecb_const float
1154	ecb_binary32_to_float (uint32_t x)	1504	ecb_binary32_to_float (uint32_t x)
1155	{	1505	{
1156	float r;	1506	float r;
1157		1507
1158	#if ECB_STDFP	1508	#if ECB_STDFP
…		…
1168	x |= 0x800000U;	1518	x |= 0x800000U;
1169	else	1519	else
1170	e = 1;	1520	e = 1;
1171		1521
1172	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1522	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1173	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1523	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1174		1524
1175	r = neg ? -r : r;	1525	r = neg ? -r : r;
1176	#endif	1526	#endif
1177		1527
1178	return r;	1528	return r;
1179	}	1529	}
1180		1530
1181	/* convert a double to ieee double/binary64 */	1531	/* convert a double to ieee double/binary64 */
1182	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1532	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1183	ecb_function_ uint64_t	1533	ecb_function_ ecb_const uint64_t
1184	ecb_double_to_binary64 (double x)	1534	ecb_double_to_binary64 (double x)
1185	{	1535	{
1186	uint64_t r;	1536	uint64_t r;
1187		1537
1188	#if ECB_STDFP	1538	#if ECB_STDFP
…		…
1217		1567
1218	return r;	1568	return r;
1219	}	1569	}
1220		1570
1221	/* converts an ieee double/binary64 to a double */	1571	/* converts an ieee double/binary64 to a double */
1222	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1572	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1223	ecb_function_ double	1573	ecb_function_ ecb_const double
1224	ecb_binary64_to_double (uint64_t x)	1574	ecb_binary64_to_double (uint64_t x)
1225	{	1575	{
1226	double r;	1576	double r;
1227		1577
1228	#if ECB_STDFP	1578	#if ECB_STDFP
…		…
1246	#endif	1596	#endif
1247		1597
1248	return r;	1598	return r;
1249	}	1599	}
1250		1600
		1601	/* convert a float to ieee half/binary16 */
		1602	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1603	ecb_function_ ecb_const uint16_t
		1604	ecb_float_to_binary16 (float x)
		1605	{
		1606	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1607	}
		1608
		1609	/* convert an ieee half/binary16 to float */
		1610	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1611	ecb_function_ ecb_const float
		1612	ecb_binary16_to_float (uint16_t x)
		1613	{
		1614	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1615	}
		1616
1251	#endif	1617	#endif
1252		1618
1253	#endif	1619	#endif
1254		1620
1255	/* ECB.H END */	1621	/* ECB.H END */
1256		1622
1257	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1623	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1258	/* if your architecture doesn't need memory fences, e.g. because it is	1624	/* if your architecture doesn't need memory fences, e.g. because it is
1259	* single-cpu/core, or if you use libev in a project that doesn't use libev	1625	* single-cpu/core, or if you use libev in a project that doesn't use libev
1260	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1626	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1261	* libev, in which cases the memory fences become nops.	1627	* libev, in which cases the memory fences become nops.
1262	* alternatively, you can remove this #error and link against libpthread,	1628	* alternatively, you can remove this #error and link against libpthread,
1263	* which will then provide the memory fences.	1629	* which will then provide the memory fences.
1264	*/	1630	*/
1265	# error "memory fences not defined for your architecture, please report"	1631	# error "memory fences not defined for your architecture, please report"
…		…
1269	# define ECB_MEMORY_FENCE do { } while (0)	1635	# define ECB_MEMORY_FENCE do { } while (0)
1270	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1636	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1271	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1637	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1272	#endif	1638	#endif
1273		1639
1274	#define expect_false(cond) ecb_expect_false (cond)
1275	#define expect_true(cond) ecb_expect_true (cond)
1276	#define noinline ecb_noinline
1277
1278	#define inline_size ecb_inline	1640	#define inline_size ecb_inline
1279		1641
1280	#if EV_FEATURE_CODE	1642	#if EV_FEATURE_CODE
1281	# define inline_speed ecb_inline	1643	# define inline_speed ecb_inline
1282	#else	1644	#else
1283	# define inline_speed static noinline	1645	# define inline_speed ecb_noinline static
1284	#endif	1646	#endif
1285		1647
1286	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1648	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1287		1649
1288	#if EV_MINPRI == EV_MAXPRI	1650	#if EV_MINPRI == EV_MAXPRI
1289	# define ABSPRI(w) (((W)w), 0)	1651	# define ABSPRI(w) (((W)w), 0)
1290	#else	1652	#else
1291	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1653	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1292	#endif	1654	#endif
1293		1655
1294	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1656	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1295	#define EMPTY2(a,b) /* used to suppress some warnings */
1296		1657
1297	typedef ev_watcher *W;	1658	typedef ev_watcher *W;
1298	typedef ev_watcher_list *WL;	1659	typedef ev_watcher_list *WL;
1299	typedef ev_watcher_time *WT;	1660	typedef ev_watcher_time *WT;
1300		1661
…		…
1325	# include "ev_win32.c"	1686	# include "ev_win32.c"
1326	#endif	1687	#endif
1327		1688
1328	/*****************************************************************************/	1689	/*****************************************************************************/
1329		1690
		1691	#if EV_USE_LINUXAIO
		1692	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1693	#endif
		1694
1330	/* define a suitable floor function (only used by periodics atm) */	1695	/* define a suitable floor function (only used by periodics atm) */
1331		1696
1332	#if EV_USE_FLOOR	1697	#if EV_USE_FLOOR
1333	# include <math.h>	1698	# include <math.h>
1334	# define ev_floor(v) floor (v)	1699	# define ev_floor(v) floor (v)
1335	#else	1700	#else
1336		1701
1337	#include <float.h>	1702	#include <float.h>
1338		1703
1339	/* a floor() replacement function, should be independent of ev_tstamp type */	1704	/* a floor() replacement function, should be independent of ev_tstamp type */
		1705	ecb_noinline
1340	static ev_tstamp noinline	1706	static ev_tstamp
1341	ev_floor (ev_tstamp v)	1707	ev_floor (ev_tstamp v)
1342	{	1708	{
1343	/* the choice of shift factor is not terribly important */	1709	/* the choice of shift factor is not terribly important */
1344	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1710	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1345	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1711	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1346	#else	1712	#else
1347	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1713	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1348	#endif	1714	#endif
1349		1715
1350	/* argument too large for an unsigned long? */	1716	/* argument too large for an unsigned long? */
1351	if (expect_false (v >= shift))	1717	if (ecb_expect_false (v >= shift))
1352	{	1718	{
1353	ev_tstamp f;	1719	ev_tstamp f;
1354		1720
1355	if (v == v - 1.)	1721	if (v == v - 1.)
1356	return v; /* very large number */	1722	return v; /* very large number */
…		…
1358	f = shift * ev_floor (v * (1. / shift));	1724	f = shift * ev_floor (v * (1. / shift));
1359	return f + ev_floor (v - f);	1725	return f + ev_floor (v - f);
1360	}	1726	}
1361		1727
1362	/* special treatment for negative args? */	1728	/* special treatment for negative args? */
1363	if (expect_false (v < 0.))	1729	if (ecb_expect_false (v < 0.))
1364	{	1730	{
1365	ev_tstamp f = -ev_floor (-v);	1731	ev_tstamp f = -ev_floor (-v);
1366		1732
1367	return f - (f == v ? 0 : 1);	1733	return f - (f == v ? 0 : 1);
1368	}	1734	}
…		…
1377		1743
1378	#ifdef __linux	1744	#ifdef __linux
1379	# include <sys/utsname.h>	1745	# include <sys/utsname.h>
1380	#endif	1746	#endif
1381		1747
1382	static unsigned int noinline ecb_cold	1748	ecb_noinline ecb_cold
		1749	static unsigned int
1383	ev_linux_version (void)	1750	ev_linux_version (void)
1384	{	1751	{
1385	#ifdef __linux	1752	#ifdef __linux
1386	unsigned int v = 0;	1753	unsigned int v = 0;
1387	struct utsname buf;	1754	struct utsname buf;
…		…
1416	}	1783	}
1417		1784
1418	/*****************************************************************************/	1785	/*****************************************************************************/
1419		1786
1420	#if EV_AVOID_STDIO	1787	#if EV_AVOID_STDIO
1421	static void noinline ecb_cold	1788	ecb_noinline ecb_cold
		1789	static void
1422	ev_printerr (const char *msg)	1790	ev_printerr (const char *msg)
1423	{	1791	{
1424	write (STDERR_FILENO, msg, strlen (msg));	1792	write (STDERR_FILENO, msg, strlen (msg));
1425	}	1793	}
1426	#endif	1794	#endif
1427		1795
1428	static void (*syserr_cb)(const char *msg) EV_THROW;	1796	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1429		1797
1430	void ecb_cold	1798	ecb_cold
		1799	void
1431	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1800	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1432	{	1801	{
1433	syserr_cb = cb;	1802	syserr_cb = cb;
1434	}	1803	}
1435		1804
1436	static void noinline ecb_cold	1805	ecb_noinline ecb_cold
		1806	static void
1437	ev_syserr (const char *msg)	1807	ev_syserr (const char *msg)
1438	{	1808	{
1439	if (!msg)	1809	if (!msg)
1440	msg = "(libev) system error";	1810	msg = "(libev) system error";
1441		1811
…		…
1454	abort ();	1824	abort ();
1455	}	1825	}
1456	}	1826	}
1457		1827
1458	static void *	1828	static void *
1459	ev_realloc_emul (void *ptr, long size) EV_THROW	1829	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1460	{	1830	{
1461	/* some systems, notably openbsd and darwin, fail to properly	1831	/* some systems, notably openbsd and darwin, fail to properly
1462	* implement realloc (x, 0) (as required by both ansi c-89 and	1832	* implement realloc (x, 0) (as required by both ansi c-89 and
1463	* the single unix specification, so work around them here.	1833	* the single unix specification, so work around them here.
1464	* recently, also (at least) fedora and debian started breaking it,	1834	* recently, also (at least) fedora and debian started breaking it,
…		…
1470		1840
1471	free (ptr);	1841	free (ptr);
1472	return 0;	1842	return 0;
1473	}	1843	}
1474		1844
1475	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1845	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1476		1846
1477	void ecb_cold	1847	ecb_cold
		1848	void
1478	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1849	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1479	{	1850	{
1480	alloc = cb;	1851	alloc = cb;
1481	}	1852	}
1482		1853
1483	inline_speed void *	1854	inline_speed void *
…		…
1510	typedef struct	1881	typedef struct
1511	{	1882	{
1512	WL head;	1883	WL head;
1513	unsigned char events; /* the events watched for */	1884	unsigned char events; /* the events watched for */
1514	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1885	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1515	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1886	unsigned char emask; /* some backends store the actual kernel mask in here */
1516	unsigned char unused;	1887	unsigned char unused;
1517	#if EV_USE_EPOLL	1888	#if EV_USE_EPOLL
1518	unsigned int egen; /* generation counter to counter epoll bugs */	1889	unsigned int egen; /* generation counter to counter epoll bugs */
1519	#endif	1890	#endif
1520	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1891	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1585	static int ev_default_loop_ptr;	1956	static int ev_default_loop_ptr;
1586		1957
1587	#endif	1958	#endif
1588		1959
1589	#if EV_FEATURE_API	1960	#if EV_FEATURE_API
1590	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1961	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1591	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1962	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1592	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1963	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1593	#else	1964	#else
1594	# define EV_RELEASE_CB (void)0	1965	# define EV_RELEASE_CB (void)0
1595	# define EV_ACQUIRE_CB (void)0	1966	# define EV_ACQUIRE_CB (void)0
1596	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1967	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1600		1971
1601	/*****************************************************************************/	1972	/*****************************************************************************/
1602		1973
1603	#ifndef EV_HAVE_EV_TIME	1974	#ifndef EV_HAVE_EV_TIME
1604	ev_tstamp	1975	ev_tstamp
1605	ev_time (void) EV_THROW	1976	ev_time (void) EV_NOEXCEPT
1606	{	1977	{
1607	#if EV_USE_REALTIME	1978	#if EV_USE_REALTIME
1608	if (expect_true (have_realtime))	1979	if (ecb_expect_true (have_realtime))
1609	{	1980	{
1610	struct timespec ts;	1981	struct timespec ts;
1611	clock_gettime (CLOCK_REALTIME, &ts);	1982	clock_gettime (CLOCK_REALTIME, &ts);
1612	return ts.tv_sec + ts.tv_nsec * 1e-9;	1983	return ts.tv_sec + ts.tv_nsec * 1e-9;
1613	}	1984	}
…		…
1621		1992
1622	inline_size ev_tstamp	1993	inline_size ev_tstamp
1623	get_clock (void)	1994	get_clock (void)
1624	{	1995	{
1625	#if EV_USE_MONOTONIC	1996	#if EV_USE_MONOTONIC
1626	if (expect_true (have_monotonic))	1997	if (ecb_expect_true (have_monotonic))
1627	{	1998	{
1628	struct timespec ts;	1999	struct timespec ts;
1629	clock_gettime (CLOCK_MONOTONIC, &ts);	2000	clock_gettime (CLOCK_MONOTONIC, &ts);
1630	return ts.tv_sec + ts.tv_nsec * 1e-9;	2001	return ts.tv_sec + ts.tv_nsec * 1e-9;
1631	}	2002	}
…		…
1634	return ev_time ();	2005	return ev_time ();
1635	}	2006	}
1636		2007
1637	#if EV_MULTIPLICITY	2008	#if EV_MULTIPLICITY
1638	ev_tstamp	2009	ev_tstamp
1639	ev_now (EV_P) EV_THROW	2010	ev_now (EV_P) EV_NOEXCEPT
1640	{	2011	{
1641	return ev_rt_now;	2012	return ev_rt_now;
1642	}	2013	}
1643	#endif	2014	#endif
1644		2015
1645	void	2016	void
1646	ev_sleep (ev_tstamp delay) EV_THROW	2017	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1647	{	2018	{
1648	if (delay > 0.)	2019	if (delay > 0.)
1649	{	2020	{
1650	#if EV_USE_NANOSLEEP	2021	#if EV_USE_NANOSLEEP
1651	struct timespec ts;	2022	struct timespec ts;
1652		2023
1653	EV_TS_SET (ts, delay);	2024	EV_TS_SET (ts, delay);
1654	nanosleep (&ts, 0);	2025	nanosleep (&ts, 0);
1655	#elif defined _WIN32	2026	#elif defined _WIN32
		2027	/* maybe this should round up, as ms is very low resolution */
		2028	/* compared to select (µs) or nanosleep (ns) */
1656	Sleep ((unsigned long)(delay * 1e3));	2029	Sleep ((unsigned long)(delay * 1e3));
1657	#else	2030	#else
1658	struct timeval tv;	2031	struct timeval tv;
1659		2032
1660	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2033	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1691	}	2064	}
1692		2065
1693	return ncur;	2066	return ncur;
1694	}	2067	}
1695		2068
1696	static void * noinline ecb_cold	2069	ecb_noinline ecb_cold
		2070	static void *
1697	array_realloc (int elem, void *base, int *cur, int cnt)	2071	array_realloc (int elem, void *base, int *cur, int cnt)
1698	{	2072	{
1699	*cur = array_nextsize (elem, *cur, cnt);	2073	*cur = array_nextsize (elem, *cur, cnt);
1700	return ev_realloc (base, elem * *cur);	2074	return ev_realloc (base, elem * *cur);
1701	}	2075	}
1702		2076
		2077	#define array_needsize_noinit(base,offset,count)
		2078
1703	#define array_init_zero(base,count) \	2079	#define array_needsize_zerofill(base,offset,count) \
1704	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2080	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1705		2081
1706	#define array_needsize(type,base,cur,cnt,init) \	2082	#define array_needsize(type,base,cur,cnt,init) \
1707	if (expect_false ((cnt) > (cur))) \	2083	if (ecb_expect_false ((cnt) > (cur))) \
1708	{ \	2084	{ \
1709	int ecb_unused ocur_ = (cur); \	2085	ecb_unused int ocur_ = (cur); \
1710	(base) = (type *)array_realloc \	2086	(base) = (type *)array_realloc \
1711	(sizeof (type), (base), &(cur), (cnt)); \	2087	(sizeof (type), (base), &(cur), (cnt)); \
1712	init ((base) + (ocur_), (cur) - ocur_); \	2088	init ((base), ocur_, ((cur) - ocur_)); \
1713	}	2089	}
1714		2090
1715	#if 0	2091	#if 0
1716	#define array_slim(type,stem) \	2092	#define array_slim(type,stem) \
1717	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2093	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1726	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2102	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1727		2103
1728	/*****************************************************************************/	2104	/*****************************************************************************/
1729		2105
1730	/* dummy callback for pending events */	2106	/* dummy callback for pending events */
1731	static void noinline	2107	ecb_noinline
		2108	static void
1732	pendingcb (EV_P_ ev_prepare *w, int revents)	2109	pendingcb (EV_P_ ev_prepare *w, int revents)
1733	{	2110	{
1734	}	2111	}
1735		2112
1736	void noinline	2113	ecb_noinline
		2114	void
1737	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2115	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1738	{	2116	{
1739	W w_ = (W)w;	2117	W w_ = (W)w;
1740	int pri = ABSPRI (w_);	2118	int pri = ABSPRI (w_);
1741		2119
1742	if (expect_false (w_->pending))	2120	if (ecb_expect_false (w_->pending))
1743	pendings [pri][w_->pending - 1].events |= revents;	2121	pendings [pri][w_->pending - 1].events |= revents;
1744	else	2122	else
1745	{	2123	{
1746	w_->pending = ++pendingcnt [pri];	2124	w_->pending = ++pendingcnt [pri];
1747	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2125	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1748	pendings [pri][w_->pending - 1].w = w_;	2126	pendings [pri][w_->pending - 1].w = w_;
1749	pendings [pri][w_->pending - 1].events = revents;	2127	pendings [pri][w_->pending - 1].events = revents;
1750	}	2128	}
1751		2129
1752	pendingpri = NUMPRI - 1;	2130	pendingpri = NUMPRI - 1;
1753	}	2131	}
1754		2132
1755	inline_speed void	2133	inline_speed void
1756	feed_reverse (EV_P_ W w)	2134	feed_reverse (EV_P_ W w)
1757	{	2135	{
1758	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2136	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1759	rfeeds [rfeedcnt++] = w;	2137	rfeeds [rfeedcnt++] = w;
1760	}	2138	}
1761		2139
1762	inline_size void	2140	inline_size void
1763	feed_reverse_done (EV_P_ int revents)	2141	feed_reverse_done (EV_P_ int revents)
…		…
1798	inline_speed void	2176	inline_speed void
1799	fd_event (EV_P_ int fd, int revents)	2177	fd_event (EV_P_ int fd, int revents)
1800	{	2178	{
1801	ANFD *anfd = anfds + fd;	2179	ANFD *anfd = anfds + fd;
1802		2180
1803	if (expect_true (!anfd->reify))	2181	if (ecb_expect_true (!anfd->reify))
1804	fd_event_nocheck (EV_A_ fd, revents);	2182	fd_event_nocheck (EV_A_ fd, revents);
1805	}	2183	}
1806		2184
1807	void	2185	void
1808	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2186	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1809	{	2187	{
1810	if (fd >= 0 && fd < anfdmax)	2188	if (fd >= 0 && fd < anfdmax)
1811	fd_event_nocheck (EV_A_ fd, revents);	2189	fd_event_nocheck (EV_A_ fd, revents);
1812	}	2190	}
1813		2191
…		…
1850	ev_io *w;	2228	ev_io *w;
1851		2229
1852	unsigned char o_events = anfd->events;	2230	unsigned char o_events = anfd->events;
1853	unsigned char o_reify = anfd->reify;	2231	unsigned char o_reify = anfd->reify;
1854		2232
1855	anfd->reify = 0;	2233	anfd->reify = 0;
1856		2234
1857	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2235	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1858	{	2236	{
1859	anfd->events = 0;	2237	anfd->events = 0;
1860		2238
1861	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2239	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1862	anfd->events |= (unsigned char)w->events;	2240	anfd->events |= (unsigned char)w->events;
…		…
1871		2249
1872	fdchangecnt = 0;	2250	fdchangecnt = 0;
1873	}	2251	}
1874		2252
1875	/* something about the given fd changed */	2253	/* something about the given fd changed */
1876	inline_size void	2254	inline_size
		2255	void
1877	fd_change (EV_P_ int fd, int flags)	2256	fd_change (EV_P_ int fd, int flags)
1878	{	2257	{
1879	unsigned char reify = anfds [fd].reify;	2258	unsigned char reify = anfds [fd].reify;
1880	anfds [fd].reify |= flags;	2259	anfds [fd].reify |= flags;
1881		2260
1882	if (expect_true (!reify))	2261	if (ecb_expect_true (!reify))
1883	{	2262	{
1884	++fdchangecnt;	2263	++fdchangecnt;
1885	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2264	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1886	fdchanges [fdchangecnt - 1] = fd;	2265	fdchanges [fdchangecnt - 1] = fd;
1887	}	2266	}
1888	}	2267	}
1889		2268
1890	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2269	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1891	inline_speed void ecb_cold	2270	inline_speed ecb_cold void
1892	fd_kill (EV_P_ int fd)	2271	fd_kill (EV_P_ int fd)
1893	{	2272	{
1894	ev_io *w;	2273	ev_io *w;
1895		2274
1896	while ((w = (ev_io *)anfds [fd].head))	2275	while ((w = (ev_io *)anfds [fd].head))
…		…
1899	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2278	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1900	}	2279	}
1901	}	2280	}
1902		2281
1903	/* check whether the given fd is actually valid, for error recovery */	2282	/* check whether the given fd is actually valid, for error recovery */
1904	inline_size int ecb_cold	2283	inline_size ecb_cold int
1905	fd_valid (int fd)	2284	fd_valid (int fd)
1906	{	2285	{
1907	#ifdef _WIN32	2286	#ifdef _WIN32
1908	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2287	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1909	#else	2288	#else
1910	return fcntl (fd, F_GETFD) != -1;	2289	return fcntl (fd, F_GETFD) != -1;
1911	#endif	2290	#endif
1912	}	2291	}
1913		2292
1914	/* called on EBADF to verify fds */	2293	/* called on EBADF to verify fds */
1915	static void noinline ecb_cold	2294	ecb_noinline ecb_cold
		2295	static void
1916	fd_ebadf (EV_P)	2296	fd_ebadf (EV_P)
1917	{	2297	{
1918	int fd;	2298	int fd;
1919		2299
1920	for (fd = 0; fd < anfdmax; ++fd)	2300	for (fd = 0; fd < anfdmax; ++fd)
…		…
1922	if (!fd_valid (fd) && errno == EBADF)	2302	if (!fd_valid (fd) && errno == EBADF)
1923	fd_kill (EV_A_ fd);	2303	fd_kill (EV_A_ fd);
1924	}	2304	}
1925		2305
1926	/* called on ENOMEM in select/poll to kill some fds and retry */	2306	/* called on ENOMEM in select/poll to kill some fds and retry */
1927	static void noinline ecb_cold	2307	ecb_noinline ecb_cold
		2308	static void
1928	fd_enomem (EV_P)	2309	fd_enomem (EV_P)
1929	{	2310	{
1930	int fd;	2311	int fd;
1931		2312
1932	for (fd = anfdmax; fd--; )	2313	for (fd = anfdmax; fd--; )
…		…
1936	break;	2317	break;
1937	}	2318	}
1938	}	2319	}
1939		2320
1940	/* usually called after fork if backend needs to re-arm all fds from scratch */	2321	/* usually called after fork if backend needs to re-arm all fds from scratch */
1941	static void noinline	2322	ecb_noinline
		2323	static void
1942	fd_rearm_all (EV_P)	2324	fd_rearm_all (EV_P)
1943	{	2325	{
1944	int fd;	2326	int fd;
1945		2327
1946	for (fd = 0; fd < anfdmax; ++fd)	2328	for (fd = 0; fd < anfdmax; ++fd)
…		…
1999	ev_tstamp minat;	2381	ev_tstamp minat;
2000	ANHE *minpos;	2382	ANHE *minpos;
2001	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2383	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2002		2384
2003	/* find minimum child */	2385	/* find minimum child */
2004	if (expect_true (pos + DHEAP - 1 < E))	2386	if (ecb_expect_true (pos + DHEAP - 1 < E))
2005	{	2387	{
2006	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2388	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2007	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2389	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2008	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2390	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2009	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2391	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2127		2509
2128	/*****************************************************************************/	2510	/*****************************************************************************/
2129		2511
2130	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2512	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2131		2513
2132	static void noinline ecb_cold	2514	ecb_noinline ecb_cold
		2515	static void
2133	evpipe_init (EV_P)	2516	evpipe_init (EV_P)
2134	{	2517	{
2135	if (!ev_is_active (&pipe_w))	2518	if (!ev_is_active (&pipe_w))
2136	{	2519	{
2137	int fds [2];	2520	int fds [2];
…		…
2177	inline_speed void	2560	inline_speed void
2178	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2561	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2179	{	2562	{
2180	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2563	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2181		2564
2182	if (expect_true (*flag))	2565	if (ecb_expect_true (*flag))
2183	return;	2566	return;
2184		2567
2185	*flag = 1;	2568	*flag = 1;
2186	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2569	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2187		2570
…		…
2208	#endif	2591	#endif
2209	{	2592	{
2210	#ifdef _WIN32	2593	#ifdef _WIN32
2211	WSABUF buf;	2594	WSABUF buf;
2212	DWORD sent;	2595	DWORD sent;
2213	buf.buf = &buf;	2596	buf.buf = (char *)&buf;
2214	buf.len = 1;	2597	buf.len = 1;
2215	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2598	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2216	#else	2599	#else
2217	write (evpipe [1], &(evpipe [1]), 1);	2600	write (evpipe [1], &(evpipe [1]), 1);
2218	#endif	2601	#endif
…		…
2264	sig_pending = 0;	2647	sig_pending = 0;
2265		2648
2266	ECB_MEMORY_FENCE;	2649	ECB_MEMORY_FENCE;
2267		2650
2268	for (i = EV_NSIG - 1; i--; )	2651	for (i = EV_NSIG - 1; i--; )
2269	if (expect_false (signals [i].pending))	2652	if (ecb_expect_false (signals [i].pending))
2270	ev_feed_signal_event (EV_A_ i + 1);	2653	ev_feed_signal_event (EV_A_ i + 1);
2271	}	2654	}
2272	#endif	2655	#endif
2273		2656
2274	#if EV_ASYNC_ENABLE	2657	#if EV_ASYNC_ENABLE
…		…
2290	}	2673	}
2291		2674
2292	/*****************************************************************************/	2675	/*****************************************************************************/
2293		2676
2294	void	2677	void
2295	ev_feed_signal (int signum) EV_THROW	2678	ev_feed_signal (int signum) EV_NOEXCEPT
2296	{	2679	{
2297	#if EV_MULTIPLICITY	2680	#if EV_MULTIPLICITY
2298	EV_P;	2681	EV_P;
2299	ECB_MEMORY_FENCE_ACQUIRE;	2682	ECB_MEMORY_FENCE_ACQUIRE;
2300	EV_A = signals [signum - 1].loop;	2683	EV_A = signals [signum - 1].loop;
…		…
2315	#endif	2698	#endif
2316		2699
2317	ev_feed_signal (signum);	2700	ev_feed_signal (signum);
2318	}	2701	}
2319		2702
2320	void noinline	2703	ecb_noinline
		2704	void
2321	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2705	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2322	{	2706	{
2323	WL w;	2707	WL w;
2324		2708
2325	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2709	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2326	return;	2710	return;
2327		2711
2328	--signum;	2712	--signum;
2329		2713
2330	#if EV_MULTIPLICITY	2714	#if EV_MULTIPLICITY
2331	/* it is permissible to try to feed a signal to the wrong loop */	2715	/* it is permissible to try to feed a signal to the wrong loop */
2332	/* or, likely more useful, feeding a signal nobody is waiting for */	2716	/* or, likely more useful, feeding a signal nobody is waiting for */
2333		2717
2334	if (expect_false (signals [signum].loop != EV_A))	2718	if (ecb_expect_false (signals [signum].loop != EV_A))
2335	return;	2719	return;
2336	#endif	2720	#endif
2337		2721
2338	signals [signum].pending = 0;	2722	signals [signum].pending = 0;
2339	ECB_MEMORY_FENCE_RELEASE;	2723	ECB_MEMORY_FENCE_RELEASE;
…		…
2435	# include "ev_kqueue.c"	2819	# include "ev_kqueue.c"
2436	#endif	2820	#endif
2437	#if EV_USE_EPOLL	2821	#if EV_USE_EPOLL
2438	# include "ev_epoll.c"	2822	# include "ev_epoll.c"
2439	#endif	2823	#endif
		2824	#if EV_USE_LINUXAIO
		2825	# include "ev_linuxaio.c"
		2826	#endif
		2827	#if EV_USE_IOURING
		2828	# include "ev_iouring.c"
		2829	#endif
2440	#if EV_USE_POLL	2830	#if EV_USE_POLL
2441	# include "ev_poll.c"	2831	# include "ev_poll.c"
2442	#endif	2832	#endif
2443	#if EV_USE_SELECT	2833	#if EV_USE_SELECT
2444	# include "ev_select.c"	2834	# include "ev_select.c"
2445	#endif	2835	#endif
2446		2836
2447	int ecb_cold	2837	ecb_cold int
2448	ev_version_major (void) EV_THROW	2838	ev_version_major (void) EV_NOEXCEPT
2449	{	2839	{
2450	return EV_VERSION_MAJOR;	2840	return EV_VERSION_MAJOR;
2451	}	2841	}
2452		2842
2453	int ecb_cold	2843	ecb_cold int
2454	ev_version_minor (void) EV_THROW	2844	ev_version_minor (void) EV_NOEXCEPT
2455	{	2845	{
2456	return EV_VERSION_MINOR;	2846	return EV_VERSION_MINOR;
2457	}	2847	}
2458		2848
2459	/* return true if we are running with elevated privileges and should ignore env variables */	2849	/* return true if we are running with elevated privileges and should ignore env variables */
2460	int inline_size ecb_cold	2850	inline_size ecb_cold int
2461	enable_secure (void)	2851	enable_secure (void)
2462	{	2852	{
2463	#ifdef _WIN32	2853	#ifdef _WIN32
2464	return 0;	2854	return 0;
2465	#else	2855	#else
2466	return getuid () != geteuid ()	2856	return getuid () != geteuid ()
2467	|| getgid () != getegid ();	2857	|| getgid () != getegid ();
2468	#endif	2858	#endif
2469	}	2859	}
2470		2860
2471	unsigned int ecb_cold	2861	ecb_cold
		2862	unsigned int
2472	ev_supported_backends (void) EV_THROW	2863	ev_supported_backends (void) EV_NOEXCEPT
2473	{	2864	{
2474	unsigned int flags = 0;	2865	unsigned int flags = 0;
2475		2866
2476	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2867	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2477	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2868	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2478	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2869	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2870	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2871	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2479	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2872	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2480	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2873	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2481		2874
2482	return flags;	2875	return flags;
2483	}	2876	}
2484		2877
2485	unsigned int ecb_cold	2878	ecb_cold
		2879	unsigned int
2486	ev_recommended_backends (void) EV_THROW	2880	ev_recommended_backends (void) EV_NOEXCEPT
2487	{	2881	{
2488	unsigned int flags = ev_supported_backends ();	2882	unsigned int flags = ev_supported_backends ();
2489		2883
2490	#ifndef __NetBSD__	2884	#ifndef __NetBSD__
2491	/* kqueue is borked on everything but netbsd apparently */	2885	/* kqueue is borked on everything but netbsd apparently */
…		…
2499	#endif	2893	#endif
2500	#ifdef __FreeBSD__	2894	#ifdef __FreeBSD__
2501	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2895	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2502	#endif	2896	#endif
2503		2897
		2898	/* TODO: linuxaio is very experimental */
		2899	#if !EV_RECOMMEND_LINUXAIO
		2900	flags &= ~EVBACKEND_LINUXAIO;
		2901	#endif
		2902	/* TODO: linuxaio is super experimental */
		2903	#if !EV_RECOMMEND_IOURING
		2904	flags &= ~EVBACKEND_IOURING;
		2905	#endif
		2906
2504	return flags;	2907	return flags;
2505	}	2908	}
2506		2909
2507	unsigned int ecb_cold	2910	ecb_cold
		2911	unsigned int
2508	ev_embeddable_backends (void) EV_THROW	2912	ev_embeddable_backends (void) EV_NOEXCEPT
2509	{	2913	{
2510	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2914	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2511		2915
2512	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2916	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2513	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2917	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2515		2919
2516	return flags;	2920	return flags;
2517	}	2921	}
2518		2922
2519	unsigned int	2923	unsigned int
2520	ev_backend (EV_P) EV_THROW	2924	ev_backend (EV_P) EV_NOEXCEPT
2521	{	2925	{
2522	return backend;	2926	return backend;
2523	}	2927	}
2524		2928
2525	#if EV_FEATURE_API	2929	#if EV_FEATURE_API
2526	unsigned int	2930	unsigned int
2527	ev_iteration (EV_P) EV_THROW	2931	ev_iteration (EV_P) EV_NOEXCEPT
2528	{	2932	{
2529	return loop_count;	2933	return loop_count;
2530	}	2934	}
2531		2935
2532	unsigned int	2936	unsigned int
2533	ev_depth (EV_P) EV_THROW	2937	ev_depth (EV_P) EV_NOEXCEPT
2534	{	2938	{
2535	return loop_depth;	2939	return loop_depth;
2536	}	2940	}
2537		2941
2538	void	2942	void
2539	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2943	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2540	{	2944	{
2541	io_blocktime = interval;	2945	io_blocktime = interval;
2542	}	2946	}
2543		2947
2544	void	2948	void
2545	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2949	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2546	{	2950	{
2547	timeout_blocktime = interval;	2951	timeout_blocktime = interval;
2548	}	2952	}
2549		2953
2550	void	2954	void
2551	ev_set_userdata (EV_P_ void *data) EV_THROW	2955	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2552	{	2956	{
2553	userdata = data;	2957	userdata = data;
2554	}	2958	}
2555		2959
2556	void *	2960	void *
2557	ev_userdata (EV_P) EV_THROW	2961	ev_userdata (EV_P) EV_NOEXCEPT
2558	{	2962	{
2559	return userdata;	2963	return userdata;
2560	}	2964	}
2561		2965
2562	void	2966	void
2563	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2967	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2564	{	2968	{
2565	invoke_cb = invoke_pending_cb;	2969	invoke_cb = invoke_pending_cb;
2566	}	2970	}
2567		2971
2568	void	2972	void
2569	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2973	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2570	{	2974	{
2571	release_cb = release;	2975	release_cb = release;
2572	acquire_cb = acquire;	2976	acquire_cb = acquire;
2573	}	2977	}
2574	#endif	2978	#endif
2575		2979
2576	/* initialise a loop structure, must be zero-initialised */	2980	/* initialise a loop structure, must be zero-initialised */
2577	static void noinline ecb_cold	2981	ecb_noinline ecb_cold
		2982	static void
2578	loop_init (EV_P_ unsigned int flags) EV_THROW	2983	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2579	{	2984	{
2580	if (!backend)	2985	if (!backend)
2581	{	2986	{
2582	origflags = flags;	2987	origflags = flags;
2583		2988
…		…
2641		3046
2642	if (!(flags & EVBACKEND_MASK))	3047	if (!(flags & EVBACKEND_MASK))
2643	flags |= ev_recommended_backends ();	3048	flags |= ev_recommended_backends ();
2644		3049
2645	#if EV_USE_IOCP	3050	#if EV_USE_IOCP
2646	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3051	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2647	#endif	3052	#endif
2648	#if EV_USE_PORT	3053	#if EV_USE_PORT
2649	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3054	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2650	#endif	3055	#endif
2651	#if EV_USE_KQUEUE	3056	#if EV_USE_KQUEUE
2652	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3057	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3058	#endif
		3059	#if EV_USE_IOURING
		3060	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3061	#endif
		3062	#if EV_USE_LINUXAIO
		3063	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2653	#endif	3064	#endif
2654	#if EV_USE_EPOLL	3065	#if EV_USE_EPOLL
2655	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3066	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2656	#endif	3067	#endif
2657	#if EV_USE_POLL	3068	#if EV_USE_POLL
2658	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3069	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2659	#endif	3070	#endif
2660	#if EV_USE_SELECT	3071	#if EV_USE_SELECT
2661	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3072	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2662	#endif	3073	#endif
2663		3074
2664	ev_prepare_init (&pending_w, pendingcb);	3075	ev_prepare_init (&pending_w, pendingcb);
2665		3076
2666	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3077	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2669	#endif	3080	#endif
2670	}	3081	}
2671	}	3082	}
2672		3083
2673	/* free up a loop structure */	3084	/* free up a loop structure */
2674	void ecb_cold	3085	ecb_cold
		3086	void
2675	ev_loop_destroy (EV_P)	3087	ev_loop_destroy (EV_P)
2676	{	3088	{
2677	int i;	3089	int i;
2678		3090
2679	#if EV_MULTIPLICITY	3091	#if EV_MULTIPLICITY
…		…
2682	return;	3094	return;
2683	#endif	3095	#endif
2684		3096
2685	#if EV_CLEANUP_ENABLE	3097	#if EV_CLEANUP_ENABLE
2686	/* queue cleanup watchers (and execute them) */	3098	/* queue cleanup watchers (and execute them) */
2687	if (expect_false (cleanupcnt))	3099	if (ecb_expect_false (cleanupcnt))
2688	{	3100	{
2689	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3101	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2690	EV_INVOKE_PENDING;	3102	EV_INVOKE_PENDING;
2691	}	3103	}
2692	#endif	3104	#endif
…		…
2720		3132
2721	if (backend_fd >= 0)	3133	if (backend_fd >= 0)
2722	close (backend_fd);	3134	close (backend_fd);
2723		3135
2724	#if EV_USE_IOCP	3136	#if EV_USE_IOCP
2725	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3137	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2726	#endif	3138	#endif
2727	#if EV_USE_PORT	3139	#if EV_USE_PORT
2728	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3140	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2729	#endif	3141	#endif
2730	#if EV_USE_KQUEUE	3142	#if EV_USE_KQUEUE
2731	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3143	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3144	#endif
		3145	#if EV_USE_IOURING
		3146	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3147	#endif
		3148	#if EV_USE_LINUXAIO
		3149	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2732	#endif	3150	#endif
2733	#if EV_USE_EPOLL	3151	#if EV_USE_EPOLL
2734	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3152	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2735	#endif	3153	#endif
2736	#if EV_USE_POLL	3154	#if EV_USE_POLL
2737	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3155	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2738	#endif	3156	#endif
2739	#if EV_USE_SELECT	3157	#if EV_USE_SELECT
2740	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3158	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2741	#endif	3159	#endif
2742		3160
2743	for (i = NUMPRI; i--; )	3161	for (i = NUMPRI; i--; )
2744	{	3162	{
2745	array_free (pending, [i]);	3163	array_free (pending, [i]);
…		…
2787		3205
2788	inline_size void	3206	inline_size void
2789	loop_fork (EV_P)	3207	loop_fork (EV_P)
2790	{	3208	{
2791	#if EV_USE_PORT	3209	#if EV_USE_PORT
2792	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3210	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2793	#endif	3211	#endif
2794	#if EV_USE_KQUEUE	3212	#if EV_USE_KQUEUE
2795	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3213	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3214	#endif
		3215	#if EV_USE_IOURING
		3216	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3217	#endif
		3218	#if EV_USE_LINUXAIO
		3219	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2796	#endif	3220	#endif
2797	#if EV_USE_EPOLL	3221	#if EV_USE_EPOLL
2798	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3222	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2799	#endif	3223	#endif
2800	#if EV_USE_INOTIFY	3224	#if EV_USE_INOTIFY
2801	infy_fork (EV_A);	3225	infy_fork (EV_A);
2802	#endif	3226	#endif
2803		3227
2804	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3228	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2805	if (ev_is_active (&pipe_w))	3229	if (ev_is_active (&pipe_w) && postfork != 2)
2806	{	3230	{
2807	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3231	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2808		3232
2809	ev_ref (EV_A);	3233	ev_ref (EV_A);
2810	ev_io_stop (EV_A_ &pipe_w);	3234	ev_io_stop (EV_A_ &pipe_w);
…		…
2821	postfork = 0;	3245	postfork = 0;
2822	}	3246	}
2823		3247
2824	#if EV_MULTIPLICITY	3248	#if EV_MULTIPLICITY
2825		3249
		3250	ecb_cold
2826	struct ev_loop * ecb_cold	3251	struct ev_loop *
2827	ev_loop_new (unsigned int flags) EV_THROW	3252	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2828	{	3253	{
2829	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3254	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2830		3255
2831	memset (EV_A, 0, sizeof (struct ev_loop));	3256	memset (EV_A, 0, sizeof (struct ev_loop));
2832	loop_init (EV_A_ flags);	3257	loop_init (EV_A_ flags);
…		…
2839	}	3264	}
2840		3265
2841	#endif /* multiplicity */	3266	#endif /* multiplicity */
2842		3267
2843	#if EV_VERIFY	3268	#if EV_VERIFY
2844	static void noinline ecb_cold	3269	ecb_noinline ecb_cold
		3270	static void
2845	verify_watcher (EV_P_ W w)	3271	verify_watcher (EV_P_ W w)
2846	{	3272	{
2847	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3273	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2848		3274
2849	if (w->pending)	3275	if (w->pending)
2850	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3276	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2851	}	3277	}
2852		3278
2853	static void noinline ecb_cold	3279	ecb_noinline ecb_cold
		3280	static void
2854	verify_heap (EV_P_ ANHE *heap, int N)	3281	verify_heap (EV_P_ ANHE *heap, int N)
2855	{	3282	{
2856	int i;	3283	int i;
2857		3284
2858	for (i = HEAP0; i < N + HEAP0; ++i)	3285	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2863		3290
2864	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3291	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2865	}	3292	}
2866	}	3293	}
2867		3294
2868	static void noinline ecb_cold	3295	ecb_noinline ecb_cold
		3296	static void
2869	array_verify (EV_P_ W *ws, int cnt)	3297	array_verify (EV_P_ W *ws, int cnt)
2870	{	3298	{
2871	while (cnt--)	3299	while (cnt--)
2872	{	3300	{
2873	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3301	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2876	}	3304	}
2877	#endif	3305	#endif
2878		3306
2879	#if EV_FEATURE_API	3307	#if EV_FEATURE_API
2880	void ecb_cold	3308	void ecb_cold
2881	ev_verify (EV_P) EV_THROW	3309	ev_verify (EV_P) EV_NOEXCEPT
2882	{	3310	{
2883	#if EV_VERIFY	3311	#if EV_VERIFY
2884	int i;	3312	int i;
2885	WL w, w2;	3313	WL w, w2;
2886		3314
…		…
2962	#endif	3390	#endif
2963	}	3391	}
2964	#endif	3392	#endif
2965		3393
2966	#if EV_MULTIPLICITY	3394	#if EV_MULTIPLICITY
		3395	ecb_cold
2967	struct ev_loop * ecb_cold	3396	struct ev_loop *
2968	#else	3397	#else
2969	int	3398	int
2970	#endif	3399	#endif
2971	ev_default_loop (unsigned int flags) EV_THROW	3400	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2972	{	3401	{
2973	if (!ev_default_loop_ptr)	3402	if (!ev_default_loop_ptr)
2974	{	3403	{
2975	#if EV_MULTIPLICITY	3404	#if EV_MULTIPLICITY
2976	EV_P = ev_default_loop_ptr = &default_loop_struct;	3405	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2995		3424
2996	return ev_default_loop_ptr;	3425	return ev_default_loop_ptr;
2997	}	3426	}
2998		3427
2999	void	3428	void
3000	ev_loop_fork (EV_P) EV_THROW	3429	ev_loop_fork (EV_P) EV_NOEXCEPT
3001	{	3430	{
3002	postfork = 1;	3431	postfork = 1;
3003	}	3432	}
3004		3433
3005	/*****************************************************************************/	3434	/*****************************************************************************/
…		…
3009	{	3438	{
3010	EV_CB_INVOKE ((W)w, revents);	3439	EV_CB_INVOKE ((W)w, revents);
3011	}	3440	}
3012		3441
3013	unsigned int	3442	unsigned int
3014	ev_pending_count (EV_P) EV_THROW	3443	ev_pending_count (EV_P) EV_NOEXCEPT
3015	{	3444	{
3016	int pri;	3445	int pri;
3017	unsigned int count = 0;	3446	unsigned int count = 0;
3018		3447
3019	for (pri = NUMPRI; pri--; )	3448	for (pri = NUMPRI; pri--; )
3020	count += pendingcnt [pri];	3449	count += pendingcnt [pri];
3021		3450
3022	return count;	3451	return count;
3023	}	3452	}
3024		3453
3025	void noinline	3454	ecb_noinline
		3455	void
3026	ev_invoke_pending (EV_P)	3456	ev_invoke_pending (EV_P)
3027	{	3457	{
3028	pendingpri = NUMPRI;	3458	pendingpri = NUMPRI;
3029		3459
3030	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3460	do
3031	{	3461	{
3032	--pendingpri;	3462	--pendingpri;
3033		3463
		3464	/* pendingpri possibly gets modified in the inner loop */
3034	while (pendingcnt [pendingpri])	3465	while (pendingcnt [pendingpri])
3035	{	3466	{
3036	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3467	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3037		3468
3038	p->w->pending = 0;	3469	p->w->pending = 0;
3039	EV_CB_INVOKE (p->w, p->events);	3470	EV_CB_INVOKE (p->w, p->events);
3040	EV_FREQUENT_CHECK;	3471	EV_FREQUENT_CHECK;
3041	}	3472	}
3042	}	3473	}
		3474	while (pendingpri);
3043	}	3475	}
3044		3476
3045	#if EV_IDLE_ENABLE	3477	#if EV_IDLE_ENABLE
3046	/* make idle watchers pending. this handles the "call-idle */	3478	/* make idle watchers pending. this handles the "call-idle */
3047	/* only when higher priorities are idle" logic */	3479	/* only when higher priorities are idle" logic */
3048	inline_size void	3480	inline_size void
3049	idle_reify (EV_P)	3481	idle_reify (EV_P)
3050	{	3482	{
3051	if (expect_false (idleall))	3483	if (ecb_expect_false (idleall))
3052	{	3484	{
3053	int pri;	3485	int pri;
3054		3486
3055	for (pri = NUMPRI; pri--; )	3487	for (pri = NUMPRI; pri--; )
3056	{	3488	{
…		…
3105	}	3537	}
3106	}	3538	}
3107		3539
3108	#if EV_PERIODIC_ENABLE	3540	#if EV_PERIODIC_ENABLE
3109		3541
3110	static void noinline	3542	ecb_noinline
		3543	static void
3111	periodic_recalc (EV_P_ ev_periodic *w)	3544	periodic_recalc (EV_P_ ev_periodic *w)
3112	{	3545	{
3113	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3546	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3114	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3547	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3115		3548
…		…
3117	while (at <= ev_rt_now)	3550	while (at <= ev_rt_now)
3118	{	3551	{
3119	ev_tstamp nat = at + w->interval;	3552	ev_tstamp nat = at + w->interval;
3120		3553
3121	/* when resolution fails us, we use ev_rt_now */	3554	/* when resolution fails us, we use ev_rt_now */
3122	if (expect_false (nat == at))	3555	if (ecb_expect_false (nat == at))
3123	{	3556	{
3124	at = ev_rt_now;	3557	at = ev_rt_now;
3125	break;	3558	break;
3126	}	3559	}
3127		3560
…		…
3173	}	3606	}
3174	}	3607	}
3175		3608
3176	/* simply recalculate all periodics */	3609	/* simply recalculate all periodics */
3177	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3610	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3178	static void noinline ecb_cold	3611	ecb_noinline ecb_cold
		3612	static void
3179	periodics_reschedule (EV_P)	3613	periodics_reschedule (EV_P)
3180	{	3614	{
3181	int i;	3615	int i;
3182		3616
3183	/* adjust periodics after time jump */	3617	/* adjust periodics after time jump */
…		…
3196	reheap (periodics, periodiccnt);	3630	reheap (periodics, periodiccnt);
3197	}	3631	}
3198	#endif	3632	#endif
3199		3633
3200	/* adjust all timers by a given offset */	3634	/* adjust all timers by a given offset */
3201	static void noinline ecb_cold	3635	ecb_noinline ecb_cold
		3636	static void
3202	timers_reschedule (EV_P_ ev_tstamp adjust)	3637	timers_reschedule (EV_P_ ev_tstamp adjust)
3203	{	3638	{
3204	int i;	3639	int i;
3205		3640
3206	for (i = 0; i < timercnt; ++i)	3641	for (i = 0; i < timercnt; ++i)
…		…
3215	/* also detect if there was a timejump, and act accordingly */	3650	/* also detect if there was a timejump, and act accordingly */
3216	inline_speed void	3651	inline_speed void
3217	time_update (EV_P_ ev_tstamp max_block)	3652	time_update (EV_P_ ev_tstamp max_block)
3218	{	3653	{
3219	#if EV_USE_MONOTONIC	3654	#if EV_USE_MONOTONIC
3220	if (expect_true (have_monotonic))	3655	if (ecb_expect_true (have_monotonic))
3221	{	3656	{
3222	int i;	3657	int i;
3223	ev_tstamp odiff = rtmn_diff;	3658	ev_tstamp odiff = rtmn_diff;
3224		3659
3225	mn_now = get_clock ();	3660	mn_now = get_clock ();
3226		3661
3227	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3662	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3228	/* interpolate in the meantime */	3663	/* interpolate in the meantime */
3229	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3664	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3230	{	3665	{
3231	ev_rt_now = rtmn_diff + mn_now;	3666	ev_rt_now = rtmn_diff + mn_now;
3232	return;	3667	return;
3233	}	3668	}
3234		3669
…		…
3248	ev_tstamp diff;	3683	ev_tstamp diff;
3249	rtmn_diff = ev_rt_now - mn_now;	3684	rtmn_diff = ev_rt_now - mn_now;
3250		3685
3251	diff = odiff - rtmn_diff;	3686	diff = odiff - rtmn_diff;
3252		3687
3253	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3688	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3254	return; /* all is well */	3689	return; /* all is well */
3255		3690
3256	ev_rt_now = ev_time ();	3691	ev_rt_now = ev_time ();
3257	mn_now = get_clock ();	3692	mn_now = get_clock ();
3258	now_floor = mn_now;	3693	now_floor = mn_now;
…		…
3267	else	3702	else
3268	#endif	3703	#endif
3269	{	3704	{
3270	ev_rt_now = ev_time ();	3705	ev_rt_now = ev_time ();
3271		3706
3272	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3707	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3273	{	3708	{
3274	/* adjust timers. this is easy, as the offset is the same for all of them */	3709	/* adjust timers. this is easy, as the offset is the same for all of them */
3275	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3710	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3276	#if EV_PERIODIC_ENABLE	3711	#if EV_PERIODIC_ENABLE
3277	periodics_reschedule (EV_A);	3712	periodics_reschedule (EV_A);
…		…
3300	#if EV_VERIFY >= 2	3735	#if EV_VERIFY >= 2
3301	ev_verify (EV_A);	3736	ev_verify (EV_A);
3302	#endif	3737	#endif
3303		3738
3304	#ifndef _WIN32	3739	#ifndef _WIN32
3305	if (expect_false (curpid)) /* penalise the forking check even more */	3740	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3306	if (expect_false (getpid () != curpid))	3741	if (ecb_expect_false (getpid () != curpid))
3307	{	3742	{
3308	curpid = getpid ();	3743	curpid = getpid ();
3309	postfork = 1;	3744	postfork = 1;
3310	}	3745	}
3311	#endif	3746	#endif
3312		3747
3313	#if EV_FORK_ENABLE	3748	#if EV_FORK_ENABLE
3314	/* we might have forked, so queue fork handlers */	3749	/* we might have forked, so queue fork handlers */
3315	if (expect_false (postfork))	3750	if (ecb_expect_false (postfork))
3316	if (forkcnt)	3751	if (forkcnt)
3317	{	3752	{
3318	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3753	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3319	EV_INVOKE_PENDING;	3754	EV_INVOKE_PENDING;
3320	}	3755	}
3321	#endif	3756	#endif
3322		3757
3323	#if EV_PREPARE_ENABLE	3758	#if EV_PREPARE_ENABLE
3324	/* queue prepare watchers (and execute them) */	3759	/* queue prepare watchers (and execute them) */
3325	if (expect_false (preparecnt))	3760	if (ecb_expect_false (preparecnt))
3326	{	3761	{
3327	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3762	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3328	EV_INVOKE_PENDING;	3763	EV_INVOKE_PENDING;
3329	}	3764	}
3330	#endif	3765	#endif
3331		3766
3332	if (expect_false (loop_done))	3767	if (ecb_expect_false (loop_done))
3333	break;	3768	break;
3334		3769
3335	/* we might have forked, so reify kernel state if necessary */	3770	/* we might have forked, so reify kernel state if necessary */
3336	if (expect_false (postfork))	3771	if (ecb_expect_false (postfork))
3337	loop_fork (EV_A);	3772	loop_fork (EV_A);
3338		3773
3339	/* update fd-related kernel structures */	3774	/* update fd-related kernel structures */
3340	fd_reify (EV_A);	3775	fd_reify (EV_A);
3341		3776
…		…
3353	/* from now on, we want a pipe-wake-up */	3788	/* from now on, we want a pipe-wake-up */
3354	pipe_write_wanted = 1;	3789	pipe_write_wanted = 1;
3355		3790
3356	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3791	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3357		3792
3358	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3793	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3359	{	3794	{
3360	waittime = MAX_BLOCKTIME;	3795	waittime = MAX_BLOCKTIME;
3361		3796
3362	if (timercnt)	3797	if (timercnt)
3363	{	3798	{
…		…
3372	if (waittime > to) waittime = to;	3807	if (waittime > to) waittime = to;
3373	}	3808	}
3374	#endif	3809	#endif
3375		3810
3376	/* don't let timeouts decrease the waittime below timeout_blocktime */	3811	/* don't let timeouts decrease the waittime below timeout_blocktime */
3377	if (expect_false (waittime < timeout_blocktime))	3812	if (ecb_expect_false (waittime < timeout_blocktime))
3378	waittime = timeout_blocktime;	3813	waittime = timeout_blocktime;
3379		3814
3380	/* at this point, we NEED to wait, so we have to ensure */	3815	/* at this point, we NEED to wait, so we have to ensure */
3381	/* to pass a minimum nonzero value to the backend */	3816	/* to pass a minimum nonzero value to the backend */
3382	if (expect_false (waittime < backend_mintime))	3817	if (ecb_expect_false (waittime < backend_mintime))
3383	waittime = backend_mintime;	3818	waittime = backend_mintime;
3384		3819
3385	/* extra check because io_blocktime is commonly 0 */	3820	/* extra check because io_blocktime is commonly 0 */
3386	if (expect_false (io_blocktime))	3821	if (ecb_expect_false (io_blocktime))
3387	{	3822	{
3388	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3823	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3389		3824
3390	if (sleeptime > waittime - backend_mintime)	3825	if (sleeptime > waittime - backend_mintime)
3391	sleeptime = waittime - backend_mintime;	3826	sleeptime = waittime - backend_mintime;
3392		3827
3393	if (expect_true (sleeptime > 0.))	3828	if (ecb_expect_true (sleeptime > 0.))
3394	{	3829	{
3395	ev_sleep (sleeptime);	3830	ev_sleep (sleeptime);
3396	waittime -= sleeptime;	3831	waittime -= sleeptime;
3397	}	3832	}
3398	}	3833	}
…		…
3412	{	3847	{
3413	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3848	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3414	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3849	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3415	}	3850	}
3416		3851
3417
3418	/* update ev_rt_now, do magic */	3852	/* update ev_rt_now, do magic */
3419	time_update (EV_A_ waittime + sleeptime);	3853	time_update (EV_A_ waittime + sleeptime);
3420	}	3854	}
3421		3855
3422	/* queue pending timers and reschedule them */	3856	/* queue pending timers and reschedule them */
…		…
3430	idle_reify (EV_A);	3864	idle_reify (EV_A);
3431	#endif	3865	#endif
3432		3866
3433	#if EV_CHECK_ENABLE	3867	#if EV_CHECK_ENABLE
3434	/* queue check watchers, to be executed first */	3868	/* queue check watchers, to be executed first */
3435	if (expect_false (checkcnt))	3869	if (ecb_expect_false (checkcnt))
3436	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3870	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3437	#endif	3871	#endif
3438		3872
3439	EV_INVOKE_PENDING;	3873	EV_INVOKE_PENDING;
3440	}	3874	}
3441	while (expect_true (	3875	while (ecb_expect_true (
3442	activecnt	3876	activecnt
3443	&& !loop_done	3877	&& !loop_done
3444	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3878	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3445	));	3879	));
3446		3880
…		…
3453		3887
3454	return activecnt;	3888	return activecnt;
3455	}	3889	}
3456		3890
3457	void	3891	void
3458	ev_break (EV_P_ int how) EV_THROW	3892	ev_break (EV_P_ int how) EV_NOEXCEPT
3459	{	3893	{
3460	loop_done = how;	3894	loop_done = how;
3461	}	3895	}
3462		3896
3463	void	3897	void
3464	ev_ref (EV_P) EV_THROW	3898	ev_ref (EV_P) EV_NOEXCEPT
3465	{	3899	{
3466	++activecnt;	3900	++activecnt;
3467	}	3901	}
3468		3902
3469	void	3903	void
3470	ev_unref (EV_P) EV_THROW	3904	ev_unref (EV_P) EV_NOEXCEPT
3471	{	3905	{
3472	--activecnt;	3906	--activecnt;
3473	}	3907	}
3474		3908
3475	void	3909	void
3476	ev_now_update (EV_P) EV_THROW	3910	ev_now_update (EV_P) EV_NOEXCEPT
3477	{	3911	{
3478	time_update (EV_A_ 1e100);	3912	time_update (EV_A_ 1e100);
3479	}	3913	}
3480		3914
3481	void	3915	void
3482	ev_suspend (EV_P) EV_THROW	3916	ev_suspend (EV_P) EV_NOEXCEPT
3483	{	3917	{
3484	ev_now_update (EV_A);	3918	ev_now_update (EV_A);
3485	}	3919	}
3486		3920
3487	void	3921	void
3488	ev_resume (EV_P) EV_THROW	3922	ev_resume (EV_P) EV_NOEXCEPT
3489	{	3923	{
3490	ev_tstamp mn_prev = mn_now;	3924	ev_tstamp mn_prev = mn_now;
3491		3925
3492	ev_now_update (EV_A);	3926	ev_now_update (EV_A);
3493	timers_reschedule (EV_A_ mn_now - mn_prev);	3927	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3510	inline_size void	3944	inline_size void
3511	wlist_del (WL *head, WL elem)	3945	wlist_del (WL *head, WL elem)
3512	{	3946	{
3513	while (*head)	3947	while (*head)
3514	{	3948	{
3515	if (expect_true (*head == elem))	3949	if (ecb_expect_true (*head == elem))
3516	{	3950	{
3517	*head = elem->next;	3951	*head = elem->next;
3518	break;	3952	break;
3519	}	3953	}
3520		3954
…		…
3532	w->pending = 0;	3966	w->pending = 0;
3533	}	3967	}
3534	}	3968	}
3535		3969
3536	int	3970	int
3537	ev_clear_pending (EV_P_ void *w) EV_THROW	3971	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3538	{	3972	{
3539	W w_ = (W)w;	3973	W w_ = (W)w;
3540	int pending = w_->pending;	3974	int pending = w_->pending;
3541		3975
3542	if (expect_true (pending))	3976	if (ecb_expect_true (pending))
3543	{	3977	{
3544	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	3978	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3545	p->w = (W)&pending_w;	3979	p->w = (W)&pending_w;
3546	w_->pending = 0;	3980	w_->pending = 0;
3547	return p->events;	3981	return p->events;
…		…
3574	w->active = 0;	4008	w->active = 0;
3575	}	4009	}
3576		4010
3577	/*****************************************************************************/	4011	/*****************************************************************************/
3578		4012
3579	void noinline	4013	ecb_noinline
		4014	void
3580	ev_io_start (EV_P_ ev_io *w) EV_THROW	4015	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3581	{	4016	{
3582	int fd = w->fd;	4017	int fd = w->fd;
3583		4018
3584	if (expect_false (ev_is_active (w)))	4019	if (ecb_expect_false (ev_is_active (w)))
3585	return;	4020	return;
3586		4021
3587	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4022	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3588	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4023	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3589		4024
		4025	#if EV_VERIFY >= 2
		4026	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4027	#endif
3590	EV_FREQUENT_CHECK;	4028	EV_FREQUENT_CHECK;
3591		4029
3592	ev_start (EV_A_ (W)w, 1);	4030	ev_start (EV_A_ (W)w, 1);
3593	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4031	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3594	wlist_add (&anfds[fd].head, (WL)w);	4032	wlist_add (&anfds[fd].head, (WL)w);
3595		4033
3596	/* common bug, apparently */	4034	/* common bug, apparently */
3597	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4035	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3598		4036
…		…
3600	w->events &= ~EV__IOFDSET;	4038	w->events &= ~EV__IOFDSET;
3601		4039
3602	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3603	}	4041	}
3604		4042
3605	void noinline	4043	ecb_noinline
		4044	void
3606	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4045	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3607	{	4046	{
3608	clear_pending (EV_A_ (W)w);	4047	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	4048	if (ecb_expect_false (!ev_is_active (w)))
3610	return;	4049	return;
3611		4050
3612	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4051	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3613		4052
		4053	#if EV_VERIFY >= 2
		4054	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4055	#endif
3614	EV_FREQUENT_CHECK;	4056	EV_FREQUENT_CHECK;
3615		4057
3616	wlist_del (&anfds[w->fd].head, (WL)w);	4058	wlist_del (&anfds[w->fd].head, (WL)w);
3617	ev_stop (EV_A_ (W)w);	4059	ev_stop (EV_A_ (W)w);
3618		4060
3619	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4061	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3620		4062
3621	EV_FREQUENT_CHECK;	4063	EV_FREQUENT_CHECK;
3622	}	4064	}
3623		4065
3624	void noinline	4066	ecb_noinline
		4067	void
3625	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4068	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3626	{	4069	{
3627	if (expect_false (ev_is_active (w)))	4070	if (ecb_expect_false (ev_is_active (w)))
3628	return;	4071	return;
3629		4072
3630	ev_at (w) += mn_now;	4073	ev_at (w) += mn_now;
3631		4074
3632	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4075	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3633		4076
3634	EV_FREQUENT_CHECK;	4077	EV_FREQUENT_CHECK;
3635		4078
3636	++timercnt;	4079	++timercnt;
3637	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4080	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3638	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4081	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3639	ANHE_w (timers [ev_active (w)]) = (WT)w;	4082	ANHE_w (timers [ev_active (w)]) = (WT)w;
3640	ANHE_at_cache (timers [ev_active (w)]);	4083	ANHE_at_cache (timers [ev_active (w)]);
3641	upheap (timers, ev_active (w));	4084	upheap (timers, ev_active (w));
3642		4085
3643	EV_FREQUENT_CHECK;	4086	EV_FREQUENT_CHECK;
3644		4087
3645	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4088	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3646	}	4089	}
3647		4090
3648	void noinline	4091	ecb_noinline
		4092	void
3649	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4093	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3650	{	4094	{
3651	clear_pending (EV_A_ (W)w);	4095	clear_pending (EV_A_ (W)w);
3652	if (expect_false (!ev_is_active (w)))	4096	if (ecb_expect_false (!ev_is_active (w)))
3653	return;	4097	return;
3654		4098
3655	EV_FREQUENT_CHECK;	4099	EV_FREQUENT_CHECK;
3656		4100
3657	{	4101	{
…		…
3659		4103
3660	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4104	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3661		4105
3662	--timercnt;	4106	--timercnt;
3663		4107
3664	if (expect_true (active < timercnt + HEAP0))	4108	if (ecb_expect_true (active < timercnt + HEAP0))
3665	{	4109	{
3666	timers [active] = timers [timercnt + HEAP0];	4110	timers [active] = timers [timercnt + HEAP0];
3667	adjustheap (timers, timercnt, active);	4111	adjustheap (timers, timercnt, active);
3668	}	4112	}
3669	}	4113	}
…		…
3673	ev_stop (EV_A_ (W)w);	4117	ev_stop (EV_A_ (W)w);
3674		4118
3675	EV_FREQUENT_CHECK;	4119	EV_FREQUENT_CHECK;
3676	}	4120	}
3677		4121
3678	void noinline	4122	ecb_noinline
		4123	void
3679	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4124	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3680	{	4125	{
3681	EV_FREQUENT_CHECK;	4126	EV_FREQUENT_CHECK;
3682		4127
3683	clear_pending (EV_A_ (W)w);	4128	clear_pending (EV_A_ (W)w);
3684		4129
…		…
3701		4146
3702	EV_FREQUENT_CHECK;	4147	EV_FREQUENT_CHECK;
3703	}	4148	}
3704		4149
3705	ev_tstamp	4150	ev_tstamp
3706	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4151	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3707	{	4152	{
3708	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4153	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3709	}	4154	}
3710		4155
3711	#if EV_PERIODIC_ENABLE	4156	#if EV_PERIODIC_ENABLE
3712	void noinline	4157	ecb_noinline
		4158	void
3713	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4159	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3714	{	4160	{
3715	if (expect_false (ev_is_active (w)))	4161	if (ecb_expect_false (ev_is_active (w)))
3716	return;	4162	return;
3717		4163
3718	if (w->reschedule_cb)	4164	if (w->reschedule_cb)
3719	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4165	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3720	else if (w->interval)	4166	else if (w->interval)
…		…
3727		4173
3728	EV_FREQUENT_CHECK;	4174	EV_FREQUENT_CHECK;
3729		4175
3730	++periodiccnt;	4176	++periodiccnt;
3731	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4177	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3732	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4178	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3733	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4179	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3734	ANHE_at_cache (periodics [ev_active (w)]);	4180	ANHE_at_cache (periodics [ev_active (w)]);
3735	upheap (periodics, ev_active (w));	4181	upheap (periodics, ev_active (w));
3736		4182
3737	EV_FREQUENT_CHECK;	4183	EV_FREQUENT_CHECK;
3738		4184
3739	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4185	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3740	}	4186	}
3741		4187
3742	void noinline	4188	ecb_noinline
		4189	void
3743	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4190	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3744	{	4191	{
3745	clear_pending (EV_A_ (W)w);	4192	clear_pending (EV_A_ (W)w);
3746	if (expect_false (!ev_is_active (w)))	4193	if (ecb_expect_false (!ev_is_active (w)))
3747	return;	4194	return;
3748		4195
3749	EV_FREQUENT_CHECK;	4196	EV_FREQUENT_CHECK;
3750		4197
3751	{	4198	{
…		…
3753		4200
3754	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4201	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3755		4202
3756	--periodiccnt;	4203	--periodiccnt;
3757		4204
3758	if (expect_true (active < periodiccnt + HEAP0))	4205	if (ecb_expect_true (active < periodiccnt + HEAP0))
3759	{	4206	{
3760	periodics [active] = periodics [periodiccnt + HEAP0];	4207	periodics [active] = periodics [periodiccnt + HEAP0];
3761	adjustheap (periodics, periodiccnt, active);	4208	adjustheap (periodics, periodiccnt, active);
3762	}	4209	}
3763	}	4210	}
…		…
3765	ev_stop (EV_A_ (W)w);	4212	ev_stop (EV_A_ (W)w);
3766		4213
3767	EV_FREQUENT_CHECK;	4214	EV_FREQUENT_CHECK;
3768	}	4215	}
3769		4216
3770	void noinline	4217	ecb_noinline
		4218	void
3771	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4219	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3772	{	4220	{
3773	/* TODO: use adjustheap and recalculation */	4221	/* TODO: use adjustheap and recalculation */
3774	ev_periodic_stop (EV_A_ w);	4222	ev_periodic_stop (EV_A_ w);
3775	ev_periodic_start (EV_A_ w);	4223	ev_periodic_start (EV_A_ w);
3776	}	4224	}
…		…
3780	# define SA_RESTART 0	4228	# define SA_RESTART 0
3781	#endif	4229	#endif
3782		4230
3783	#if EV_SIGNAL_ENABLE	4231	#if EV_SIGNAL_ENABLE
3784		4232
3785	void noinline	4233	ecb_noinline
		4234	void
3786	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4235	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3787	{	4236	{
3788	if (expect_false (ev_is_active (w)))	4237	if (ecb_expect_false (ev_is_active (w)))
3789	return;	4238	return;
3790		4239
3791	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4240	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3792		4241
3793	#if EV_MULTIPLICITY	4242	#if EV_MULTIPLICITY
…		…
3862	}	4311	}
3863		4312
3864	EV_FREQUENT_CHECK;	4313	EV_FREQUENT_CHECK;
3865	}	4314	}
3866		4315
3867	void noinline	4316	ecb_noinline
		4317	void
3868	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4318	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3869	{	4319	{
3870	clear_pending (EV_A_ (W)w);	4320	clear_pending (EV_A_ (W)w);
3871	if (expect_false (!ev_is_active (w)))	4321	if (ecb_expect_false (!ev_is_active (w)))
3872	return;	4322	return;
3873		4323
3874	EV_FREQUENT_CHECK;	4324	EV_FREQUENT_CHECK;
3875		4325
3876	wlist_del (&signals [w->signum - 1].head, (WL)w);	4326	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3904	#endif	4354	#endif
3905		4355
3906	#if EV_CHILD_ENABLE	4356	#if EV_CHILD_ENABLE
3907		4357
3908	void	4358	void
3909	ev_child_start (EV_P_ ev_child *w) EV_THROW	4359	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3910	{	4360	{
3911	#if EV_MULTIPLICITY	4361	#if EV_MULTIPLICITY
3912	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4362	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3913	#endif	4363	#endif
3914	if (expect_false (ev_is_active (w)))	4364	if (ecb_expect_false (ev_is_active (w)))
3915	return;	4365	return;
3916		4366
3917	EV_FREQUENT_CHECK;	4367	EV_FREQUENT_CHECK;
3918		4368
3919	ev_start (EV_A_ (W)w, 1);	4369	ev_start (EV_A_ (W)w, 1);
…		…
3921		4371
3922	EV_FREQUENT_CHECK;	4372	EV_FREQUENT_CHECK;
3923	}	4373	}
3924		4374
3925	void	4375	void
3926	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4376	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3927	{	4377	{
3928	clear_pending (EV_A_ (W)w);	4378	clear_pending (EV_A_ (W)w);
3929	if (expect_false (!ev_is_active (w)))	4379	if (ecb_expect_false (!ev_is_active (w)))
3930	return;	4380	return;
3931		4381
3932	EV_FREQUENT_CHECK;	4382	EV_FREQUENT_CHECK;
3933		4383
3934	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4384	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3948		4398
3949	#define DEF_STAT_INTERVAL 5.0074891	4399	#define DEF_STAT_INTERVAL 5.0074891
3950	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4400	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3951	#define MIN_STAT_INTERVAL 0.1074891	4401	#define MIN_STAT_INTERVAL 0.1074891
3952		4402
3953	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4403	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3954		4404
3955	#if EV_USE_INOTIFY	4405	#if EV_USE_INOTIFY
3956		4406
3957	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4407	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3958	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4408	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3959		4409
3960	static void noinline	4410	ecb_noinline
		4411	static void
3961	infy_add (EV_P_ ev_stat *w)	4412	infy_add (EV_P_ ev_stat *w)
3962	{	4413	{
3963	w->wd = inotify_add_watch (fs_fd, w->path,	4414	w->wd = inotify_add_watch (fs_fd, w->path,
3964	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4415	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3965	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4416	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4029	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4480	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4030	ev_timer_again (EV_A_ &w->timer);	4481	ev_timer_again (EV_A_ &w->timer);
4031	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4482	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4032	}	4483	}
4033		4484
4034	static void noinline	4485	ecb_noinline
		4486	static void
4035	infy_del (EV_P_ ev_stat *w)	4487	infy_del (EV_P_ ev_stat *w)
4036	{	4488	{
4037	int slot;	4489	int slot;
4038	int wd = w->wd;	4490	int wd = w->wd;
4039		4491
…		…
4046		4498
4047	/* remove this watcher, if others are watching it, they will rearm */	4499	/* remove this watcher, if others are watching it, they will rearm */
4048	inotify_rm_watch (fs_fd, wd);	4500	inotify_rm_watch (fs_fd, wd);
4049	}	4501	}
4050		4502
4051	static void noinline	4503	ecb_noinline
		4504	static void
4052	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4505	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4053	{	4506	{
4054	if (slot < 0)	4507	if (slot < 0)
4055	/* overflow, need to check for all hash slots */	4508	/* overflow, need to check for all hash slots */
4056	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4509	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4092	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4545	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4093	ofs += sizeof (struct inotify_event) + ev->len;	4546	ofs += sizeof (struct inotify_event) + ev->len;
4094	}	4547	}
4095	}	4548	}
4096		4549
4097	inline_size void ecb_cold	4550	inline_size ecb_cold
		4551	void
4098	ev_check_2625 (EV_P)	4552	ev_check_2625 (EV_P)
4099	{	4553	{
4100	/* kernels < 2.6.25 are borked	4554	/* kernels < 2.6.25 are borked
4101	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4555	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4102	*/	4556	*/
…		…
4192	#else	4646	#else
4193	# define EV_LSTAT(p,b) lstat (p, b)	4647	# define EV_LSTAT(p,b) lstat (p, b)
4194	#endif	4648	#endif
4195		4649
4196	void	4650	void
4197	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4651	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4198	{	4652	{
4199	if (lstat (w->path, &w->attr) < 0)	4653	if (lstat (w->path, &w->attr) < 0)
4200	w->attr.st_nlink = 0;	4654	w->attr.st_nlink = 0;
4201	else if (!w->attr.st_nlink)	4655	else if (!w->attr.st_nlink)
4202	w->attr.st_nlink = 1;	4656	w->attr.st_nlink = 1;
4203	}	4657	}
4204		4658
4205	static void noinline	4659	ecb_noinline
		4660	static void
4206	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4661	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4207	{	4662	{
4208	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4663	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4209		4664
4210	ev_statdata prev = w->attr;	4665	ev_statdata prev = w->attr;
…		…
4241	ev_feed_event (EV_A_ w, EV_STAT);	4696	ev_feed_event (EV_A_ w, EV_STAT);
4242	}	4697	}
4243	}	4698	}
4244		4699
4245	void	4700	void
4246	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4701	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4702	{
4248	if (expect_false (ev_is_active (w)))	4703	if (ecb_expect_false (ev_is_active (w)))
4249	return;	4704	return;
4250		4705
4251	ev_stat_stat (EV_A_ w);	4706	ev_stat_stat (EV_A_ w);
4252		4707
4253	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4708	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4272		4727
4273	EV_FREQUENT_CHECK;	4728	EV_FREQUENT_CHECK;
4274	}	4729	}
4275		4730
4276	void	4731	void
4277	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4732	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4278	{	4733	{
4279	clear_pending (EV_A_ (W)w);	4734	clear_pending (EV_A_ (W)w);
4280	if (expect_false (!ev_is_active (w)))	4735	if (ecb_expect_false (!ev_is_active (w)))
4281	return;	4736	return;
4282		4737
4283	EV_FREQUENT_CHECK;	4738	EV_FREQUENT_CHECK;
4284		4739
4285	#if EV_USE_INOTIFY	4740	#if EV_USE_INOTIFY
…		…
4298	}	4753	}
4299	#endif	4754	#endif
4300		4755
4301	#if EV_IDLE_ENABLE	4756	#if EV_IDLE_ENABLE
4302	void	4757	void
4303	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4758	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4304	{	4759	{
4305	if (expect_false (ev_is_active (w)))	4760	if (ecb_expect_false (ev_is_active (w)))
4306	return;	4761	return;
4307		4762
4308	pri_adjust (EV_A_ (W)w);	4763	pri_adjust (EV_A_ (W)w);
4309		4764
4310	EV_FREQUENT_CHECK;	4765	EV_FREQUENT_CHECK;
…		…
4313	int active = ++idlecnt [ABSPRI (w)];	4768	int active = ++idlecnt [ABSPRI (w)];
4314		4769
4315	++idleall;	4770	++idleall;
4316	ev_start (EV_A_ (W)w, active);	4771	ev_start (EV_A_ (W)w, active);
4317		4772
4318	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4773	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4319	idles [ABSPRI (w)][active - 1] = w;	4774	idles [ABSPRI (w)][active - 1] = w;
4320	}	4775	}
4321		4776
4322	EV_FREQUENT_CHECK;	4777	EV_FREQUENT_CHECK;
4323	}	4778	}
4324		4779
4325	void	4780	void
4326	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4781	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4327	{	4782	{
4328	clear_pending (EV_A_ (W)w);	4783	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4784	if (ecb_expect_false (!ev_is_active (w)))
4330	return;	4785	return;
4331		4786
4332	EV_FREQUENT_CHECK;	4787	EV_FREQUENT_CHECK;
4333		4788
4334	{	4789	{
…		…
4345	}	4800	}
4346	#endif	4801	#endif
4347		4802
4348	#if EV_PREPARE_ENABLE	4803	#if EV_PREPARE_ENABLE
4349	void	4804	void
4350	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4805	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4351	{	4806	{
4352	if (expect_false (ev_is_active (w)))	4807	if (ecb_expect_false (ev_is_active (w)))
4353	return;	4808	return;
4354		4809
4355	EV_FREQUENT_CHECK;	4810	EV_FREQUENT_CHECK;
4356		4811
4357	ev_start (EV_A_ (W)w, ++preparecnt);	4812	ev_start (EV_A_ (W)w, ++preparecnt);
4358	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4813	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4359	prepares [preparecnt - 1] = w;	4814	prepares [preparecnt - 1] = w;
4360		4815
4361	EV_FREQUENT_CHECK;	4816	EV_FREQUENT_CHECK;
4362	}	4817	}
4363		4818
4364	void	4819	void
4365	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4820	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4366	{	4821	{
4367	clear_pending (EV_A_ (W)w);	4822	clear_pending (EV_A_ (W)w);
4368	if (expect_false (!ev_is_active (w)))	4823	if (ecb_expect_false (!ev_is_active (w)))
4369	return;	4824	return;
4370		4825
4371	EV_FREQUENT_CHECK;	4826	EV_FREQUENT_CHECK;
4372		4827
4373	{	4828	{
…		…
4383	}	4838	}
4384	#endif	4839	#endif
4385		4840
4386	#if EV_CHECK_ENABLE	4841	#if EV_CHECK_ENABLE
4387	void	4842	void
4388	ev_check_start (EV_P_ ev_check *w) EV_THROW	4843	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4389	{	4844	{
4390	if (expect_false (ev_is_active (w)))	4845	if (ecb_expect_false (ev_is_active (w)))
4391	return;	4846	return;
4392		4847
4393	EV_FREQUENT_CHECK;	4848	EV_FREQUENT_CHECK;
4394		4849
4395	ev_start (EV_A_ (W)w, ++checkcnt);	4850	ev_start (EV_A_ (W)w, ++checkcnt);
4396	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4851	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4397	checks [checkcnt - 1] = w;	4852	checks [checkcnt - 1] = w;
4398		4853
4399	EV_FREQUENT_CHECK;	4854	EV_FREQUENT_CHECK;
4400	}	4855	}
4401		4856
4402	void	4857	void
4403	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4858	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4404	{	4859	{
4405	clear_pending (EV_A_ (W)w);	4860	clear_pending (EV_A_ (W)w);
4406	if (expect_false (!ev_is_active (w)))	4861	if (ecb_expect_false (!ev_is_active (w)))
4407	return;	4862	return;
4408		4863
4409	EV_FREQUENT_CHECK;	4864	EV_FREQUENT_CHECK;
4410		4865
4411	{	4866	{
…		…
4420	EV_FREQUENT_CHECK;	4875	EV_FREQUENT_CHECK;
4421	}	4876	}
4422	#endif	4877	#endif
4423		4878
4424	#if EV_EMBED_ENABLE	4879	#if EV_EMBED_ENABLE
4425	void noinline	4880	ecb_noinline
		4881	void
4426	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4882	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4427	{	4883	{
4428	ev_run (w->other, EVRUN_NOWAIT);	4884	ev_run (w->other, EVRUN_NOWAIT);
4429	}	4885	}
4430		4886
4431	static void	4887	static void
…		…
4479	ev_idle_stop (EV_A_ idle);	4935	ev_idle_stop (EV_A_ idle);
4480	}	4936	}
4481	#endif	4937	#endif
4482		4938
4483	void	4939	void
4484	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4940	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4485	{	4941	{
4486	if (expect_false (ev_is_active (w)))	4942	if (ecb_expect_false (ev_is_active (w)))
4487	return;	4943	return;
4488		4944
4489	{	4945	{
4490	EV_P = w->other;	4946	EV_P = w->other;
4491	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4947	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4510		4966
4511	EV_FREQUENT_CHECK;	4967	EV_FREQUENT_CHECK;
4512	}	4968	}
4513		4969
4514	void	4970	void
4515	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4971	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4516	{	4972	{
4517	clear_pending (EV_A_ (W)w);	4973	clear_pending (EV_A_ (W)w);
4518	if (expect_false (!ev_is_active (w)))	4974	if (ecb_expect_false (!ev_is_active (w)))
4519	return;	4975	return;
4520		4976
4521	EV_FREQUENT_CHECK;	4977	EV_FREQUENT_CHECK;
4522		4978
4523	ev_io_stop (EV_A_ &w->io);	4979	ev_io_stop (EV_A_ &w->io);
…		…
4530	}	4986	}
4531	#endif	4987	#endif
4532		4988
4533	#if EV_FORK_ENABLE	4989	#if EV_FORK_ENABLE
4534	void	4990	void
4535	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4991	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4536	{	4992	{
4537	if (expect_false (ev_is_active (w)))	4993	if (ecb_expect_false (ev_is_active (w)))
4538	return;	4994	return;
4539		4995
4540	EV_FREQUENT_CHECK;	4996	EV_FREQUENT_CHECK;
4541		4997
4542	ev_start (EV_A_ (W)w, ++forkcnt);	4998	ev_start (EV_A_ (W)w, ++forkcnt);
4543	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4999	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4544	forks [forkcnt - 1] = w;	5000	forks [forkcnt - 1] = w;
4545		5001
4546	EV_FREQUENT_CHECK;	5002	EV_FREQUENT_CHECK;
4547	}	5003	}
4548		5004
4549	void	5005	void
4550	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5006	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4551	{	5007	{
4552	clear_pending (EV_A_ (W)w);	5008	clear_pending (EV_A_ (W)w);
4553	if (expect_false (!ev_is_active (w)))	5009	if (ecb_expect_false (!ev_is_active (w)))
4554	return;	5010	return;
4555		5011
4556	EV_FREQUENT_CHECK;	5012	EV_FREQUENT_CHECK;
4557		5013
4558	{	5014	{
…		…
4568	}	5024	}
4569	#endif	5025	#endif
4570		5026
4571	#if EV_CLEANUP_ENABLE	5027	#if EV_CLEANUP_ENABLE
4572	void	5028	void
4573	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5029	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4574	{	5030	{
4575	if (expect_false (ev_is_active (w)))	5031	if (ecb_expect_false (ev_is_active (w)))
4576	return;	5032	return;
4577		5033
4578	EV_FREQUENT_CHECK;	5034	EV_FREQUENT_CHECK;
4579		5035
4580	ev_start (EV_A_ (W)w, ++cleanupcnt);	5036	ev_start (EV_A_ (W)w, ++cleanupcnt);
4581	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5037	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4582	cleanups [cleanupcnt - 1] = w;	5038	cleanups [cleanupcnt - 1] = w;
4583		5039
4584	/* cleanup watchers should never keep a refcount on the loop */	5040	/* cleanup watchers should never keep a refcount on the loop */
4585	ev_unref (EV_A);	5041	ev_unref (EV_A);
4586	EV_FREQUENT_CHECK;	5042	EV_FREQUENT_CHECK;
4587	}	5043	}
4588		5044
4589	void	5045	void
4590	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5046	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4591	{	5047	{
4592	clear_pending (EV_A_ (W)w);	5048	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	5049	if (ecb_expect_false (!ev_is_active (w)))
4594	return;	5050	return;
4595		5051
4596	EV_FREQUENT_CHECK;	5052	EV_FREQUENT_CHECK;
4597	ev_ref (EV_A);	5053	ev_ref (EV_A);
4598		5054
…		…
4609	}	5065	}
4610	#endif	5066	#endif
4611		5067
4612	#if EV_ASYNC_ENABLE	5068	#if EV_ASYNC_ENABLE
4613	void	5069	void
4614	ev_async_start (EV_P_ ev_async *w) EV_THROW	5070	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4615	{	5071	{
4616	if (expect_false (ev_is_active (w)))	5072	if (ecb_expect_false (ev_is_active (w)))
4617	return;	5073	return;
4618		5074
4619	w->sent = 0;	5075	w->sent = 0;
4620		5076
4621	evpipe_init (EV_A);	5077	evpipe_init (EV_A);
4622		5078
4623	EV_FREQUENT_CHECK;	5079	EV_FREQUENT_CHECK;
4624		5080
4625	ev_start (EV_A_ (W)w, ++asynccnt);	5081	ev_start (EV_A_ (W)w, ++asynccnt);
4626	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5082	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4627	asyncs [asynccnt - 1] = w;	5083	asyncs [asynccnt - 1] = w;
4628		5084
4629	EV_FREQUENT_CHECK;	5085	EV_FREQUENT_CHECK;
4630	}	5086	}
4631		5087
4632	void	5088	void
4633	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5089	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4634	{	5090	{
4635	clear_pending (EV_A_ (W)w);	5091	clear_pending (EV_A_ (W)w);
4636	if (expect_false (!ev_is_active (w)))	5092	if (ecb_expect_false (!ev_is_active (w)))
4637	return;	5093	return;
4638		5094
4639	EV_FREQUENT_CHECK;	5095	EV_FREQUENT_CHECK;
4640		5096
4641	{	5097	{
…		…
4649		5105
4650	EV_FREQUENT_CHECK;	5106	EV_FREQUENT_CHECK;
4651	}	5107	}
4652		5108
4653	void	5109	void
4654	ev_async_send (EV_P_ ev_async *w) EV_THROW	5110	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	5111	{
4656	w->sent = 1;	5112	w->sent = 1;
4657	evpipe_write (EV_A_ &async_pending);	5113	evpipe_write (EV_A_ &async_pending);
4658	}	5114	}
4659	#endif	5115	#endif
…		…
4696		5152
4697	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5153	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4698	}	5154	}
4699		5155
4700	void	5156	void
4701	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5157	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4702	{	5158	{
4703	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5159	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4704
4705	if (expect_false (!once))
4706	{
4707	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4708	return;
4709	}
4710		5160
4711	once->cb = cb;	5161	once->cb = cb;
4712	once->arg = arg;	5162	once->arg = arg;
4713		5163
4714	ev_init (&once->io, once_cb_io);	5164	ev_init (&once->io, once_cb_io);
…		…
4727	}	5177	}
4728		5178
4729	/*****************************************************************************/	5179	/*****************************************************************************/
4730		5180
4731	#if EV_WALK_ENABLE	5181	#if EV_WALK_ENABLE
4732	void ecb_cold	5182	ecb_cold
		5183	void
4733	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5184	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4734	{	5185	{
4735	int i, j;	5186	int i, j;
4736	ev_watcher_list *wl, *wn;	5187	ev_watcher_list *wl, *wn;
4737		5188
4738	if (types & (EV_IO | EV_EMBED))	5189	if (types & (EV_IO | EV_EMBED))

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