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Comparing libev/ev.c (file contents):
Revision 1.452 by root, Mon Feb 18 03:20:29 2013 UTC vs.
Revision 1.504 by root, Sun Jul 7 06:00:32 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
…		…
241	#elif defined SIGARRAYSIZE	252	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	253	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	254	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	255	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	256	#else
246	# error "unable to find value for NSIG, please report"	257	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247	/* to make it compile regardless, just remove the above line, */
248	/* but consider reporting it, too! :) */
249	# define EV_NSIG 65
250	#endif	258	#endif
251		259
252	#ifndef EV_USE_FLOOR	260	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	261	# define EV_USE_FLOOR 0
254	#endif	262	#endif
255		263
256	#ifndef EV_USE_CLOCK_SYSCALL	264	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	265	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	266	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	267	# else
260	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
		269	# endif
		270	#endif
		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
261	# endif	278	# endif
262	#endif	279	#endif
263		280
264	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
307		324
308	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
309	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
310	#endif	327	#endif
311		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
312	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
313	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
314	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
315	# else	348	# else
316	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
357		390
358	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
360	#endif	393	#endif
361		394
362	#ifdef ANDROID	395	#ifdef __ANDROID__
363	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
364	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
365	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
366	/* 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 */
367	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
381	# include <sys/syscall.h>	414	# include <sys/syscall.h>
382	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
384	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
385	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
386	# else	420	# else
387	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
388	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
389	# endif	423	# endif
390	#endif	424	#endif
…		…
408		442
409	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
410	/* 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 */
411	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
412	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		453	# define EV_NEED_SYSCALL 1
		454	# else
		455	# undef EV_USE_LINUXAIO
		456	# define EV_USE_LINUXAIO 0
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !SYS_io_uring_setup && __linux && !__alpha
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
413	# endif	472	# endif
414	#endif	473	#endif
415		474
416	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
417	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
459	uint32_t ssi_signo;	518	uint32_t ssi_signo;
460	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
461	};	520	};
462	#endif	521	#endif
463		522
464	/**/	523	/*****************************************************************************/
465		524
466	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
467	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
468	#else	527	#else
469	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
474	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
475	*/	534	*/
476	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
477	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
478		537
479	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	538	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
480	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		540
		541	/* find a portable timestamp that is "alawys" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes large than 32 bit, but and maybe the unlikely loating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
481		548
482	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	549	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
483	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	550	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
484		551
485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	552	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
486	/* ECB.H BEGIN */	553	/* ECB.H BEGIN */
487	/*	554	/*
488	* libecb - http://software.schmorp.de/pkg/libecb	555	* libecb - http://software.schmorp.de/pkg/libecb
489	*	556	*
490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	557	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
491	* Copyright (©) 2011 Emanuele Giaquinta	558	* Copyright (©) 2011 Emanuele Giaquinta
492	* All rights reserved.	559	* All rights reserved.
493	*	560	*
494	* Redistribution and use in source and binary forms, with or without modifica-	561	* Redistribution and use in source and binary forms, with or without modifica-
495	* tion, are permitted provided that the following conditions are met:	562	* tion, are permitted provided that the following conditions are met:
…		…
509	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	576	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	577	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	578	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
512	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	579	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
513	* OF THE POSSIBILITY OF SUCH DAMAGE.	580	* OF THE POSSIBILITY OF SUCH DAMAGE.
		581	*
		582	* Alternatively, the contents of this file may be used under the terms of
		583	* the GNU General Public License ("GPL") version 2 or any later version,
		584	* in which case the provisions of the GPL are applicable instead of
		585	* the above. If you wish to allow the use of your version of this file
		586	* only under the terms of the GPL and not to allow others to use your
		587	* version of this file under the BSD license, indicate your decision
		588	* by deleting the provisions above and replace them with the notice
		589	* and other provisions required by the GPL. If you do not delete the
		590	* provisions above, a recipient may use your version of this file under
		591	* either the BSD or the GPL.
514	*/	592	*/
515		593
516	#ifndef ECB_H	594	#ifndef ECB_H
517	#define ECB_H	595	#define ECB_H
518		596
519	/* 16 bits major, 16 bits minor */	597	/* 16 bits major, 16 bits minor */
520	#define ECB_VERSION 0x00010002	598	#define ECB_VERSION 0x00010006
521		599
522	#ifdef _WIN32	600	#ifdef _WIN32
523	typedef signed char int8_t;	601	typedef signed char int8_t;
524	typedef unsigned char uint8_t;	602	typedef unsigned char uint8_t;
525	typedef signed short int16_t;	603	typedef signed short int16_t;
…		…
542	typedef uint32_t uintptr_t;	620	typedef uint32_t uintptr_t;
543	typedef int32_t intptr_t;	621	typedef int32_t intptr_t;
544	#endif	622	#endif
545	#else	623	#else
546	#include <inttypes.h>	624	#include <inttypes.h>
547	#if UINTMAX_MAX > 0xffffffffU	625	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
548	#define ECB_PTRSIZE 8	626	#define ECB_PTRSIZE 8
549	#else	627	#else
550	#define ECB_PTRSIZE 4	628	#define ECB_PTRSIZE 4
		629	#endif
		630	#endif
		631
		632	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		633	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		634
		635	/* work around x32 idiocy by defining proper macros */
		636	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		637	#if _ILP32
		638	#define ECB_AMD64_X32 1
		639	#else
		640	#define ECB_AMD64 1
551	#endif	641	#endif
552	#endif	642	#endif
553		643
554	/* many compilers define _GNUC_ to some versions but then only implement	644	/* many compilers define _GNUC_ to some versions but then only implement
555	* what their idiot authors think are the "more important" extensions,	645	* what their idiot authors think are the "more important" extensions,
556	* causing enormous grief in return for some better fake benchmark numbers.	646	* causing enormous grief in return for some better fake benchmark numbers.
557	* or so.	647	* or so.
558	* we try to detect these and simply assume they are not gcc - if they have	648	* we try to detect these and simply assume they are not gcc - if they have
559	* an issue with that they should have done it right in the first place.	649	* an issue with that they should have done it right in the first place.
560	*/	650	*/
561	#ifndef ECB_GCC_VERSION
562	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	651	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
563	#define ECB_GCC_VERSION(major,minor) 0	652	#define ECB_GCC_VERSION(major,minor) 0
564	#else	653	#else
565	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	654	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
566	#endif	655	#endif
567	#endif
568		656
569	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	657	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
570	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	658
571	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	659	#if __clang__ && defined __has_builtin
		660	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		661	#else
		662	#define ECB_CLANG_BUILTIN(x) 0
		663	#endif
		664
		665	#if __clang__ && defined __has_extension
		666	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		667	#else
		668	#define ECB_CLANG_EXTENSION(x) 0
		669	#endif
		670
572	#define ECB_CPP (__cplusplus+0)	671	#define ECB_CPP (__cplusplus+0)
573	#define ECB_CPP11 (__cplusplus >= 201103L)	672	#define ECB_CPP11 (__cplusplus >= 201103L)
		673	#define ECB_CPP14 (__cplusplus >= 201402L)
		674	#define ECB_CPP17 (__cplusplus >= 201703L)
		675
		676	#if ECB_CPP
		677	#define ECB_C 0
		678	#define ECB_STDC_VERSION 0
		679	#else
		680	#define ECB_C 1
		681	#define ECB_STDC_VERSION __STDC_VERSION__
		682	#endif
		683
		684	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		685	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		686	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
574		687
575	#if ECB_CPP	688	#if ECB_CPP
576	#define ECB_EXTERN_C extern "C"	689	#define ECB_EXTERN_C extern "C"
577	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	690	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
578	#define ECB_EXTERN_C_END }	691	#define ECB_EXTERN_C_END }
…		…
593		706
594	#if ECB_NO_SMP	707	#if ECB_NO_SMP
595	#define ECB_MEMORY_FENCE do { } while (0)	708	#define ECB_MEMORY_FENCE do { } while (0)
596	#endif	709	#endif
597		710
		711	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		712	#if __xlC__ && ECB_CPP
		713	#include <builtins.h>
		714	#endif
		715
		716	#if 1400 <= _MSC_VER
		717	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		718	#endif
		719
598	#ifndef ECB_MEMORY_FENCE	720	#ifndef ECB_MEMORY_FENCE
599	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	721	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		722	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
600	#if __i386 || __i386__	723	#if __i386 || __i386__
601	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	724	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
602	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	725	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
603	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	726	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
604	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	727	#elif ECB_GCC_AMD64
605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	728	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
606	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	729	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
607	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	730	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
608	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	731	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
609	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	732	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		733	#elif defined __ARM_ARCH_2__ \
		734	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		735	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		736	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		737	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		738	|| defined __ARM_ARCH_5TEJ__
		739	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
610	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	740	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
611	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	741	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		742	|| defined __ARM_ARCH_6T2__
612	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	743	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
613	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	744	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
614	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	745	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	746	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
616	#elif __sparc || __sparc__	747	#elif __aarch64__
		748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		749	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
618	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	751	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
619	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	752	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
620	#elif defined __s390__ || defined __s390x__	753	#elif defined __s390__ || defined __s390x__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	754	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
622	#elif defined __mips__	755	#elif defined __mips__
		756	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		757	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	758	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
624	#elif defined __alpha__	759	#elif defined __alpha__
625	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	760	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
626	#elif defined __hppa__	761	#elif defined __hppa__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	762	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	763	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
629	#elif defined __ia64__	764	#elif defined __ia64__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	765	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		766	#elif defined __m68k__
		767	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		768	#elif defined __m88k__
		769	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		770	#elif defined __sh__
		771	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
631	#endif	772	#endif
632	#endif	773	#endif
633	#endif	774	#endif
634		775
635	#ifndef ECB_MEMORY_FENCE	776	#ifndef ECB_MEMORY_FENCE
636	#if ECB_GCC_VERSION(4,7)	777	#if ECB_GCC_VERSION(4,7)
637	/* see comment below (stdatomic.h) about the C11 memory model. */	778	/* see comment below (stdatomic.h) about the C11 memory model. */
638	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	779	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		780	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		781	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		782	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
639		783
640	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	784	#elif ECB_CLANG_EXTENSION(c_atomic)
641	* without risking compile time errors with other compilers. We *could*
642	* define our own ecb_clang_has_feature, but I just can't be bothered to work
643	* around this shit time and again.
644	* #elif defined __clang && __has_feature (cxx_atomic)
645	* // see comment below (stdatomic.h) about the C11 memory model.	785	/* see comment below (stdatomic.h) about the C11 memory model. */
646	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	786	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
647	*/	787	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		788	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		789	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
648		790
649	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	791	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
650	#define ECB_MEMORY_FENCE __sync_synchronize ()	792	#define ECB_MEMORY_FENCE __sync_synchronize ()
		793	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		794	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		795	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		796	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		797	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		798	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
651	#elif _MSC_VER >= 1400 /* VC++ 2005 */	799	#elif _MSC_VER >= 1400 /* VC++ 2005 */
652	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	800	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
653	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	801	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
654	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	802	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
655	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	803	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
656	#elif defined _WIN32	804	#elif defined _WIN32
657	#include <WinNT.h>	805	#include <WinNT.h>
658	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	806	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
659	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	807	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
660	#include <mbarrier.h>	808	#include <mbarrier.h>
661	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	809	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
662	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	810	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
663	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	811	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		812	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
664	#elif __xlC__	813	#elif __xlC__
665	#define ECB_MEMORY_FENCE __sync ()	814	#define ECB_MEMORY_FENCE __sync ()
666	#endif	815	#endif
667	#endif	816	#endif
668		817
669	#ifndef ECB_MEMORY_FENCE	818	#ifndef ECB_MEMORY_FENCE
670	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	819	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
671	/* we assume that these memory fences work on all variables/all memory accesses, */	820	/* we assume that these memory fences work on all variables/all memory accesses, */
672	/* not just C11 atomics and atomic accesses */	821	/* not just C11 atomics and atomic accesses */
673	#include <stdatomic.h>	822	#include <stdatomic.h>
674	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
675	/* any fence other than seq_cst, which isn't very efficient for us. */
676	/* Why that is, we don't know - either the C11 memory model is quite useless */
677	/* for most usages, or gcc and clang have a bug */
678	/* I *currently* lean towards the latter, and inefficiently implement */
679	/* all three of ecb's fences as a seq_cst fence */
680	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	823	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		824	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		825	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
681	#endif	826	#endif
682	#endif	827	#endif
683		828
684	#ifndef ECB_MEMORY_FENCE	829	#ifndef ECB_MEMORY_FENCE
685	#if !ECB_AVOID_PTHREADS	830	#if !ECB_AVOID_PTHREADS
…		…
705		850
706	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	851	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
707	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	852	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
708	#endif	853	#endif
709		854
		855	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		856	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		857	#endif
		858
710	/*****************************************************************************/	859	/*****************************************************************************/
711		860
712	#if __cplusplus	861	#if ECB_CPP
713	#define ecb_inline static inline	862	#define ecb_inline static inline
714	#elif ECB_GCC_VERSION(2,5)	863	#elif ECB_GCC_VERSION(2,5)
715	#define ecb_inline static __inline__	864	#define ecb_inline static __inline__
716	#elif ECB_C99	865	#elif ECB_C99
717	#define ecb_inline static inline	866	#define ecb_inline static inline
…		…
731		880
732	#define ECB_CONCAT_(a, b) a ## b	881	#define ECB_CONCAT_(a, b) a ## b
733	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	882	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
734	#define ECB_STRINGIFY_(a) # a	883	#define ECB_STRINGIFY_(a) # a
735	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	884	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		885	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
736		886
737	#define ecb_function_ ecb_inline	887	#define ecb_function_ ecb_inline
738		888
739	#if ECB_GCC_VERSION(3,1)	889	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
740	#define ecb_attribute(attrlist) __attribute__(attrlist)	890	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		891	#else
		892	#define ecb_attribute(attrlist)
		893	#endif
		894
		895	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
741	#define ecb_is_constant(expr) __builtin_constant_p (expr)	896	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		897	#else
		898	/* possible C11 impl for integral types
		899	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		900	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		901
		902	#define ecb_is_constant(expr) 0
		903	#endif
		904
		905	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
742	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	906	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		907	#else
		908	#define ecb_expect(expr,value) (expr)
		909	#endif
		910
		911	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
743	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	912	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
744	#else	913	#else
745	#define ecb_attribute(attrlist)
746	#define ecb_is_constant(expr) 0
747	#define ecb_expect(expr,value) (expr)
748	#define ecb_prefetch(addr,rw,locality)	914	#define ecb_prefetch(addr,rw,locality)
749	#endif	915	#endif
750		916
751	/* no emulation for ecb_decltype */	917	/* no emulation for ecb_decltype */
752	#if ECB_GCC_VERSION(4,5)	918	#if ECB_CPP11
		919	// older implementations might have problems with decltype(x)::type, work around it
		920	template<class T> struct ecb_decltype_t { typedef T type; };
753	#define ecb_decltype(x) __decltype(x)	921	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
754	#elif ECB_GCC_VERSION(3,0)	922	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
755	#define ecb_decltype(x) __typeof(x)	923	#define ecb_decltype(x) __typeof__ (x)
756	#endif	924	#endif
757		925
		926	#if _MSC_VER >= 1300
		927	#define ecb_deprecated __declspec (deprecated)
		928	#else
		929	#define ecb_deprecated ecb_attribute ((__deprecated__))
		930	#endif
		931
		932	#if _MSC_VER >= 1500
		933	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		934	#elif ECB_GCC_VERSION(4,5)
		935	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		936	#else
		937	#define ecb_deprecated_message(msg) ecb_deprecated
		938	#endif
		939
		940	#if _MSC_VER >= 1400
		941	#define ecb_noinline __declspec (noinline)
		942	#else
758	#define ecb_noinline ecb_attribute ((__noinline__))	943	#define ecb_noinline ecb_attribute ((__noinline__))
		944	#endif
		945
759	#define ecb_unused ecb_attribute ((__unused__))	946	#define ecb_unused ecb_attribute ((__unused__))
760	#define ecb_const ecb_attribute ((__const__))	947	#define ecb_const ecb_attribute ((__const__))
761	#define ecb_pure ecb_attribute ((__pure__))	948	#define ecb_pure ecb_attribute ((__pure__))
762		949
763	#if ECB_C11	950	#if ECB_C11 || __IBMC_NORETURN
		951	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
764	#define ecb_noreturn _Noreturn	952	#define ecb_noreturn _Noreturn
		953	#elif ECB_CPP11
		954	#define ecb_noreturn [[noreturn]]
		955	#elif _MSC_VER >= 1200
		956	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		957	#define ecb_noreturn __declspec (noreturn)
765	#else	958	#else
766	#define ecb_noreturn ecb_attribute ((__noreturn__))	959	#define ecb_noreturn ecb_attribute ((__noreturn__))
767	#endif	960	#endif
768		961
769	#if ECB_GCC_VERSION(4,3)	962	#if ECB_GCC_VERSION(4,3)
…		…
784	/* for compatibility to the rest of the world */	977	/* for compatibility to the rest of the world */
785	#define ecb_likely(expr) ecb_expect_true (expr)	978	#define ecb_likely(expr) ecb_expect_true (expr)
786	#define ecb_unlikely(expr) ecb_expect_false (expr)	979	#define ecb_unlikely(expr) ecb_expect_false (expr)
787		980
788	/* count trailing zero bits and count # of one bits */	981	/* count trailing zero bits and count # of one bits */
789	#if ECB_GCC_VERSION(3,4)	982	#if ECB_GCC_VERSION(3,4) \
		983	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		984	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		985	&& ECB_CLANG_BUILTIN(__builtin_popcount))
790	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	986	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
791	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	987	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
792	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	988	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
793	#define ecb_ctz32(x) __builtin_ctz (x)	989	#define ecb_ctz32(x) __builtin_ctz (x)
794	#define ecb_ctz64(x) __builtin_ctzll (x)	990	#define ecb_ctz64(x) __builtin_ctzll (x)
795	#define ecb_popcount32(x) __builtin_popcount (x)	991	#define ecb_popcount32(x) __builtin_popcount (x)
796	/* no popcountll */	992	/* no popcountll */
797	#else	993	#else
798	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	994	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
799	ecb_function_ int	995	ecb_function_ ecb_const int
800	ecb_ctz32 (uint32_t x)	996	ecb_ctz32 (uint32_t x)
801	{	997	{
		998	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		999	unsigned long r;
		1000	_BitScanForward (&r, x);
		1001	return (int)r;
		1002	#else
802	int r = 0;	1003	int r = 0;
803		1004
804	x &= ~x + 1; /* this isolates the lowest bit */	1005	x &= ~x + 1; /* this isolates the lowest bit */
805		1006
806	#if ECB_branchless_on_i386	1007	#if ECB_branchless_on_i386
…		…
816	if (x & 0xff00ff00) r += 8;	1017	if (x & 0xff00ff00) r += 8;
817	if (x & 0xffff0000) r += 16;	1018	if (x & 0xffff0000) r += 16;
818	#endif	1019	#endif
819		1020
820	return r;	1021	return r;
		1022	#endif
821	}	1023	}
822		1024
823	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1025	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
824	ecb_function_ int	1026	ecb_function_ ecb_const int
825	ecb_ctz64 (uint64_t x)	1027	ecb_ctz64 (uint64_t x)
826	{	1028	{
		1029	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1030	unsigned long r;
		1031	_BitScanForward64 (&r, x);
		1032	return (int)r;
		1033	#else
827	int shift = x & 0xffffffffU ? 0 : 32;	1034	int shift = x & 0xffffffff ? 0 : 32;
828	return ecb_ctz32 (x >> shift) + shift;	1035	return ecb_ctz32 (x >> shift) + shift;
		1036	#endif
829	}	1037	}
830		1038
831	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
832	ecb_function_ int	1040	ecb_function_ ecb_const int
833	ecb_popcount32 (uint32_t x)	1041	ecb_popcount32 (uint32_t x)
834	{	1042	{
835	x -= (x >> 1) & 0x55555555;	1043	x -= (x >> 1) & 0x55555555;
836	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1044	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
837	x = ((x >> 4) + x) & 0x0f0f0f0f;	1045	x = ((x >> 4) + x) & 0x0f0f0f0f;
838	x *= 0x01010101;	1046	x *= 0x01010101;
839		1047
840	return x >> 24;	1048	return x >> 24;
841	}	1049	}
842		1050
843	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1051	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
844	ecb_function_ int ecb_ld32 (uint32_t x)	1052	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
845	{	1053	{
		1054	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1055	unsigned long r;
		1056	_BitScanReverse (&r, x);
		1057	return (int)r;
		1058	#else
846	int r = 0;	1059	int r = 0;
847		1060
848	if (x >> 16) { x >>= 16; r += 16; }	1061	if (x >> 16) { x >>= 16; r += 16; }
849	if (x >> 8) { x >>= 8; r += 8; }	1062	if (x >> 8) { x >>= 8; r += 8; }
850	if (x >> 4) { x >>= 4; r += 4; }	1063	if (x >> 4) { x >>= 4; r += 4; }
851	if (x >> 2) { x >>= 2; r += 2; }	1064	if (x >> 2) { x >>= 2; r += 2; }
852	if (x >> 1) { r += 1; }	1065	if (x >> 1) { r += 1; }
853		1066
854	return r;	1067	return r;
		1068	#endif
855	}	1069	}
856		1070
857	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1071	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
858	ecb_function_ int ecb_ld64 (uint64_t x)	1072	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
859	{	1073	{
		1074	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1075	unsigned long r;
		1076	_BitScanReverse64 (&r, x);
		1077	return (int)r;
		1078	#else
860	int r = 0;	1079	int r = 0;
861		1080
862	if (x >> 32) { x >>= 32; r += 32; }	1081	if (x >> 32) { x >>= 32; r += 32; }
863		1082
864	return r + ecb_ld32 (x);	1083	return r + ecb_ld32 (x);
		1084	#endif
865	}	1085	}
866	#endif	1086	#endif
867		1087
868	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1088	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
869	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1089	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
870	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1090	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
871	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1091	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
872		1092
873	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1093	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
874	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1094	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
875	{	1095	{
876	return ( (x * 0x0802U & 0x22110U)	1096	return ( (x * 0x0802U & 0x22110U)
877	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1097	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
878	}	1098	}
879		1099
880	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
881	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1101	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
882	{	1102	{
883	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1103	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
884	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1104	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
885	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1105	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
886	x = ( x >> 8 ) | ( x << 8);	1106	x = ( x >> 8 ) | ( x << 8);
887		1107
888	return x;	1108	return x;
889	}	1109	}
890		1110
891	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1111	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
892	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1112	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
893	{	1113	{
894	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1114	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
895	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1115	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
896	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1116	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
897	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1117	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
900	return x;	1120	return x;
901	}	1121	}
902		1122
903	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1123	/* popcount64 is only available on 64 bit cpus as gcc builtin */
904	/* so for this version we are lazy */	1124	/* so for this version we are lazy */
905	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
906	ecb_function_ int	1126	ecb_function_ ecb_const int
907	ecb_popcount64 (uint64_t x)	1127	ecb_popcount64 (uint64_t x)
908	{	1128	{
909	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1129	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
910	}	1130	}
911		1131
912	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1132	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
913	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1133	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
914	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1134	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
915	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1135	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
916	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1136	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
917	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1137	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
918	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1138	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
919	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1139	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
920		1140
921	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1141	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
922	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1142	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
923	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1143	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
924	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1144	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
925	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1145	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
926	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1146	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
927	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1147	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
928	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1148	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
929		1149
930	#if ECB_GCC_VERSION(4,3)	1150	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1151	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1152	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1153	#else
931	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1154	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1155	#endif
932	#define ecb_bswap32(x) __builtin_bswap32 (x)	1156	#define ecb_bswap32(x) __builtin_bswap32 (x)
933	#define ecb_bswap64(x) __builtin_bswap64 (x)	1157	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1158	#elif _MSC_VER
		1159	#include <stdlib.h>
		1160	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1161	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1162	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
934	#else	1163	#else
935	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1164	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
936	ecb_function_ uint16_t	1165	ecb_function_ ecb_const uint16_t
937	ecb_bswap16 (uint16_t x)	1166	ecb_bswap16 (uint16_t x)
938	{	1167	{
939	return ecb_rotl16 (x, 8);	1168	return ecb_rotl16 (x, 8);
940	}	1169	}
941		1170
942	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1171	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
943	ecb_function_ uint32_t	1172	ecb_function_ ecb_const uint32_t
944	ecb_bswap32 (uint32_t x)	1173	ecb_bswap32 (uint32_t x)
945	{	1174	{
946	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1175	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
947	}	1176	}
948		1177
949	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1178	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
950	ecb_function_ uint64_t	1179	ecb_function_ ecb_const uint64_t
951	ecb_bswap64 (uint64_t x)	1180	ecb_bswap64 (uint64_t x)
952	{	1181	{
953	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1182	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
954	}	1183	}
955	#endif	1184	#endif
956		1185
957	#if ECB_GCC_VERSION(4,5)	1186	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
958	#define ecb_unreachable() __builtin_unreachable ()	1187	#define ecb_unreachable() __builtin_unreachable ()
959	#else	1188	#else
960	/* this seems to work fine, but gcc always emits a warning for it :/ */	1189	/* this seems to work fine, but gcc always emits a warning for it :/ */
961	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1190	ecb_inline ecb_noreturn void ecb_unreachable (void);
962	ecb_inline void ecb_unreachable (void) { }	1191	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
963	#endif	1192	#endif
964		1193
965	/* try to tell the compiler that some condition is definitely true */	1194	/* try to tell the compiler that some condition is definitely true */
966	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1195	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
967		1196
968	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1197	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
969	ecb_inline unsigned char	1198	ecb_inline ecb_const uint32_t
970	ecb_byteorder_helper (void)	1199	ecb_byteorder_helper (void)
971	{	1200	{
972	/* the union code still generates code under pressure in gcc, */	1201	/* the union code still generates code under pressure in gcc, */
973	/* but less than using pointers, and always seems to */	1202	/* but less than using pointers, and always seems to */
974	/* successfully return a constant. */	1203	/* successfully return a constant. */
975	/* the reason why we have this horrible preprocessor mess */	1204	/* the reason why we have this horrible preprocessor mess */
976	/* is to avoid it in all cases, at least on common architectures */	1205	/* is to avoid it in all cases, at least on common architectures */
977	/* or when using a recent enough gcc version (>= 4.6) */	1206	/* or when using a recent enough gcc version (>= 4.6) */
978	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
979	return 0x44;
980	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1207	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1208	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1209	#define ECB_LITTLE_ENDIAN 1
981	return 0x44;	1210	return 0x44332211;
982	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1211	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1212	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1213	#define ECB_BIG_ENDIAN 1
983	return 0x11;	1214	return 0x11223344;
984	#else	1215	#else
985	union	1216	union
986	{	1217	{
		1218	uint8_t c[4];
987	uint32_t i;	1219	uint32_t u;
988	uint8_t c;
989	} u = { 0x11223344 };	1220	} u = { 0x11, 0x22, 0x33, 0x44 };
990	return u.c;	1221	return u.u;
991	#endif	1222	#endif
992	}	1223	}
993		1224
994	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1225	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
995	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1226	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
996	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1227	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
997	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1228	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
998		1229
999	#if ECB_GCC_VERSION(3,0) || ECB_C99	1230	#if ECB_GCC_VERSION(3,0) || ECB_C99
1000	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1231	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1001	#else	1232	#else
1002	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1233	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1003	#endif	1234	#endif
1004		1235
1005	#if __cplusplus	1236	#if ECB_CPP
1006	template<typename T>	1237	template<typename T>
1007	static inline T ecb_div_rd (T val, T div)	1238	static inline T ecb_div_rd (T val, T div)
1008	{	1239	{
1009	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1240	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1010	}	1241	}
…		…
1027	}	1258	}
1028	#else	1259	#else
1029	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1260	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1030	#endif	1261	#endif
1031		1262
		1263	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1264	ecb_function_ ecb_const uint32_t
		1265	ecb_binary16_to_binary32 (uint32_t x)
		1266	{
		1267	unsigned int s = (x & 0x8000) << (31 - 15);
		1268	int e = (x >> 10) & 0x001f;
		1269	unsigned int m = x & 0x03ff;
		1270
		1271	if (ecb_expect_false (e == 31))
		1272	/* infinity or NaN */
		1273	e = 255 - (127 - 15);
		1274	else if (ecb_expect_false (!e))
		1275	{
		1276	if (ecb_expect_true (!m))
		1277	/* zero, handled by code below by forcing e to 0 */
		1278	e = 0 - (127 - 15);
		1279	else
		1280	{
		1281	/* subnormal, renormalise */
		1282	unsigned int s = 10 - ecb_ld32 (m);
		1283
		1284	m = (m << s) & 0x3ff; /* mask implicit bit */
		1285	e -= s - 1;
		1286	}
		1287	}
		1288
		1289	/* e and m now are normalised, or zero, (or inf or nan) */
		1290	e += 127 - 15;
		1291
		1292	return s | (e << 23) | (m << (23 - 10));
		1293	}
		1294
		1295	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1296	ecb_function_ ecb_const uint16_t
		1297	ecb_binary32_to_binary16 (uint32_t x)
		1298	{
		1299	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1300	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1301	unsigned int m = x & 0x007fffff;
		1302
		1303	x &= 0x7fffffff;
		1304
		1305	/* if it's within range of binary16 normals, use fast path */
		1306	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1307	{
		1308	/* mantissa round-to-even */
		1309	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1310
		1311	/* handle overflow */
		1312	if (ecb_expect_false (m >= 0x00800000))
		1313	{
		1314	m >>= 1;
		1315	e += 1;
		1316	}
		1317
		1318	return s | (e << 10) | (m >> (23 - 10));
		1319	}
		1320
		1321	/* handle large numbers and infinity */
		1322	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1323	return s | 0x7c00;
		1324
		1325	/* handle zero, subnormals and small numbers */
		1326	if (ecb_expect_true (x < 0x38800000))
		1327	{
		1328	/* zero */
		1329	if (ecb_expect_true (!x))
		1330	return s;
		1331
		1332	/* handle subnormals */
		1333
		1334	/* too small, will be zero */
		1335	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1336	return s;
		1337
		1338	m |= 0x00800000; /* make implicit bit explicit */
		1339
		1340	/* very tricky - we need to round to the nearest e (+10) bit value */
		1341	{
		1342	unsigned int bits = 14 - e;
		1343	unsigned int half = (1 << (bits - 1)) - 1;
		1344	unsigned int even = (m >> bits) & 1;
		1345
		1346	/* if this overflows, we will end up with a normalised number */
		1347	m = (m + half + even) >> bits;
		1348	}
		1349
		1350	return s | m;
		1351	}
		1352
		1353	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1354	m >>= 13;
		1355
		1356	return s | 0x7c00 | m | !m;
		1357	}
		1358
1032	/*******************************************************************************/	1359	/*******************************************************************************/
1033	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1360	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1034		1361
1035	/* basically, everything uses "ieee pure-endian" floating point numbers */	1362	/* basically, everything uses "ieee pure-endian" floating point numbers */
1036	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1363	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1037	#if 0 \	1364	#if 0 \
1038	|| __i386 || __i386__ \	1365	|| __i386 || __i386__ \
1039	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1366	|| ECB_GCC_AMD64 \
1040	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1367	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1041	|| defined __arm__ && defined __ARM_EABI__ \
1042	|| defined __s390__ || defined __s390x__ \	1368	|| defined __s390__ || defined __s390x__ \
1043	|| defined __mips__ \	1369	|| defined __mips__ \
1044	|| defined __alpha__ \	1370	|| defined __alpha__ \
1045	|| defined __hppa__ \	1371	|| defined __hppa__ \
1046	|| defined __ia64__ \	1372	|| defined __ia64__ \
		1373	|| defined __m68k__ \
		1374	|| defined __m88k__ \
		1375	|| defined __sh__ \
1047	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1376	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1377	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1378	|| defined __aarch64__
1048	#define ECB_STDFP 1	1379	#define ECB_STDFP 1
1049	#include <string.h> /* for memcpy */	1380	#include <string.h> /* for memcpy */
1050	#else	1381	#else
1051	#define ECB_STDFP 0	1382	#define ECB_STDFP 0
1052	#include <math.h> /* for frexp*, ldexp* */
1053	#endif	1383	#endif
1054		1384
1055	#ifndef ECB_NO_LIBM	1385	#ifndef ECB_NO_LIBM
1056		1386
		1387	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1388
		1389	/* only the oldest of old doesn't have this one. solaris. */
		1390	#ifdef INFINITY
		1391	#define ECB_INFINITY INFINITY
		1392	#else
		1393	#define ECB_INFINITY HUGE_VAL
		1394	#endif
		1395
		1396	#ifdef NAN
		1397	#define ECB_NAN NAN
		1398	#else
		1399	#define ECB_NAN ECB_INFINITY
		1400	#endif
		1401
		1402	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1403	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1404	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1405	#else
		1406	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1407	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1408	#endif
		1409
1057	/* convert a float to ieee single/binary32 */	1410	/* convert a float to ieee single/binary32 */
1058	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1411	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1059	ecb_function_ uint32_t	1412	ecb_function_ ecb_const uint32_t
1060	ecb_float_to_binary32 (float x)	1413	ecb_float_to_binary32 (float x)
1061	{	1414	{
1062	uint32_t r;	1415	uint32_t r;
1063		1416
1064	#if ECB_STDFP	1417	#if ECB_STDFP
…		…
1071	if (x == 0e0f ) return 0x00000000U;	1424	if (x == 0e0f ) return 0x00000000U;
1072	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1425	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1073	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1426	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1074	if (x != x ) return 0x7fbfffffU;	1427	if (x != x ) return 0x7fbfffffU;
1075		1428
1076	m = frexpf (x, &e) * 0x1000000U;	1429	m = ecb_frexpf (x, &e) * 0x1000000U;
1077		1430
1078	r = m & 0x80000000U;	1431	r = m & 0x80000000U;
1079		1432
1080	if (r)	1433	if (r)
1081	m = -m;	1434	m = -m;
…		…
1093		1446
1094	return r;	1447	return r;
1095	}	1448	}
1096		1449
1097	/* converts an ieee single/binary32 to a float */	1450	/* converts an ieee single/binary32 to a float */
1098	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1451	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1099	ecb_function_ float	1452	ecb_function_ ecb_const float
1100	ecb_binary32_to_float (uint32_t x)	1453	ecb_binary32_to_float (uint32_t x)
1101	{	1454	{
1102	float r;	1455	float r;
1103		1456
1104	#if ECB_STDFP	1457	#if ECB_STDFP
…		…
1114	x |= 0x800000U;	1467	x |= 0x800000U;
1115	else	1468	else
1116	e = 1;	1469	e = 1;
1117		1470
1118	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1471	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1119	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1472	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1120		1473
1121	r = neg ? -r : r;	1474	r = neg ? -r : r;
1122	#endif	1475	#endif
1123		1476
1124	return r;	1477	return r;
1125	}	1478	}
1126		1479
1127	/* convert a double to ieee double/binary64 */	1480	/* convert a double to ieee double/binary64 */
1128	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1481	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1129	ecb_function_ uint64_t	1482	ecb_function_ ecb_const uint64_t
1130	ecb_double_to_binary64 (double x)	1483	ecb_double_to_binary64 (double x)
1131	{	1484	{
1132	uint64_t r;	1485	uint64_t r;
1133		1486
1134	#if ECB_STDFP	1487	#if ECB_STDFP
…		…
1163		1516
1164	return r;	1517	return r;
1165	}	1518	}
1166		1519
1167	/* converts an ieee double/binary64 to a double */	1520	/* converts an ieee double/binary64 to a double */
1168	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1521	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1169	ecb_function_ double	1522	ecb_function_ ecb_const double
1170	ecb_binary64_to_double (uint64_t x)	1523	ecb_binary64_to_double (uint64_t x)
1171	{	1524	{
1172	double r;	1525	double r;
1173		1526
1174	#if ECB_STDFP	1527	#if ECB_STDFP
…		…
1192	#endif	1545	#endif
1193		1546
1194	return r;	1547	return r;
1195	}	1548	}
1196		1549
		1550	/* convert a float to ieee half/binary16 */
		1551	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1552	ecb_function_ ecb_const uint16_t
		1553	ecb_float_to_binary16 (float x)
		1554	{
		1555	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1556	}
		1557
		1558	/* convert an ieee half/binary16 to float */
		1559	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1560	ecb_function_ ecb_const float
		1561	ecb_binary16_to_float (uint16_t x)
		1562	{
		1563	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1564	}
		1565
1197	#endif	1566	#endif
1198		1567
1199	#endif	1568	#endif
1200		1569
1201	/* ECB.H END */	1570	/* ECB.H END */
1202		1571
1203	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1572	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1204	/* if your architecture doesn't need memory fences, e.g. because it is	1573	/* if your architecture doesn't need memory fences, e.g. because it is
1205	* single-cpu/core, or if you use libev in a project that doesn't use libev	1574	* single-cpu/core, or if you use libev in a project that doesn't use libev
1206	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1575	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1207	* libev, in which cases the memory fences become nops.	1576	* libev, in which cases the memory fences become nops.
1208	* alternatively, you can remove this #error and link against libpthread,	1577	* alternatively, you can remove this #error and link against libpthread,
1209	* which will then provide the memory fences.	1578	* which will then provide the memory fences.
1210	*/	1579	*/
1211	# error "memory fences not defined for your architecture, please report"	1580	# error "memory fences not defined for your architecture, please report"
…		…
1215	# define ECB_MEMORY_FENCE do { } while (0)	1584	# define ECB_MEMORY_FENCE do { } while (0)
1216	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1585	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1217	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1586	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1218	#endif	1587	#endif
1219		1588
1220	#define expect_false(cond) ecb_expect_false (cond)
1221	#define expect_true(cond) ecb_expect_true (cond)
1222	#define noinline ecb_noinline
1223
1224	#define inline_size ecb_inline	1589	#define inline_size ecb_inline
1225		1590
1226	#if EV_FEATURE_CODE	1591	#if EV_FEATURE_CODE
1227	# define inline_speed ecb_inline	1592	# define inline_speed ecb_inline
1228	#else	1593	#else
1229	# define inline_speed static noinline	1594	# define inline_speed ecb_noinline static
1230	#endif	1595	#endif
		1596
		1597	/*****************************************************************************/
		1598	/* raw syscall wrappers */
		1599
		1600	#if EV_NEED_SYSCALL
		1601
		1602	#include <sys/syscall.h>
		1603
		1604	/*
		1605	* define some syscall wrappers for common architectures
		1606	* this is mostly for nice looks during debugging, not performance.
		1607	* our syscalls return < 0, not == -1, on error. which is good
		1608	* enough for linux aio.
		1609	* TODO: arm is also common nowadays, maybe even mips and x86
		1610	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1611	*/
		1612	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1613	/* the costly errno access probably kills this for size optimisation */
		1614
		1615	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1616	({ \
		1617	long res; \
		1618	register unsigned long r6 __asm__ ("r9" ); \
		1619	register unsigned long r5 __asm__ ("r8" ); \
		1620	register unsigned long r4 __asm__ ("r10"); \
		1621	register unsigned long r3 __asm__ ("rdx"); \
		1622	register unsigned long r2 __asm__ ("rsi"); \
		1623	register unsigned long r1 __asm__ ("rdi"); \
		1624	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1625	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1626	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1627	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1628	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1629	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1630	__asm__ __volatile__ ( \
		1631	"syscall\n\t" \
		1632	: "=a" (res) \
		1633	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1634	: "cc", "r11", "cx", "memory"); \
		1635	errno = -res; \
		1636	res; \
		1637	})
		1638
		1639	#endif
		1640
		1641	#ifdef ev_syscall
		1642	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1643	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1644	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1645	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1646	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1647	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1648	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1649	#else
		1650	#define ev_syscall0(nr) syscall (nr)
		1651	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1652	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1653	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1654	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1655	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1656	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1657	#endif
		1658
		1659	#endif
		1660
		1661	/*****************************************************************************/
1231		1662
1232	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1663	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1233		1664
1234	#if EV_MINPRI == EV_MAXPRI	1665	#if EV_MINPRI == EV_MAXPRI
1235	# define ABSPRI(w) (((W)w), 0)	1666	# define ABSPRI(w) (((W)w), 0)
1236	#else	1667	#else
1237	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1668	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1238	#endif	1669	#endif
1239		1670
1240	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1671	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1241	#define EMPTY2(a,b) /* used to suppress some warnings */
1242		1672
1243	typedef ev_watcher *W;	1673	typedef ev_watcher *W;
1244	typedef ev_watcher_list *WL;	1674	typedef ev_watcher_list *WL;
1245	typedef ev_watcher_time *WT;	1675	typedef ev_watcher_time *WT;
1246		1676
…		…
1271	# include "ev_win32.c"	1701	# include "ev_win32.c"
1272	#endif	1702	#endif
1273		1703
1274	/*****************************************************************************/	1704	/*****************************************************************************/
1275		1705
		1706	#if EV_USE_LINUXAIO
		1707	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1708	#endif
		1709
1276	/* define a suitable floor function (only used by periodics atm) */	1710	/* define a suitable floor function (only used by periodics atm) */
1277		1711
1278	#if EV_USE_FLOOR	1712	#if EV_USE_FLOOR
1279	# include <math.h>	1713	# include <math.h>
1280	# define ev_floor(v) floor (v)	1714	# define ev_floor(v) floor (v)
1281	#else	1715	#else
1282		1716
1283	#include <float.h>	1717	#include <float.h>
1284		1718
1285	/* a floor() replacement function, should be independent of ev_tstamp type */	1719	/* a floor() replacement function, should be independent of ev_tstamp type */
		1720	ecb_noinline
1286	static ev_tstamp noinline	1721	static ev_tstamp
1287	ev_floor (ev_tstamp v)	1722	ev_floor (ev_tstamp v)
1288	{	1723	{
1289	/* the choice of shift factor is not terribly important */	1724	/* the choice of shift factor is not terribly important */
1290	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1725	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1291	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1726	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1292	#else	1727	#else
1293	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1294	#endif	1729	#endif
1295		1730
		1731	/* special treatment for negative arguments */
		1732	if (ecb_expect_false (v < 0.))
		1733	{
		1734	ev_tstamp f = -ev_floor (-v);
		1735
		1736	return f - (f == v ? 0 : 1);
		1737	}
		1738
1296	/* argument too large for an unsigned long? */	1739	/* argument too large for an unsigned long? then reduce it */
1297	if (expect_false (v >= shift))	1740	if (ecb_expect_false (v >= shift))
1298	{	1741	{
1299	ev_tstamp f;	1742	ev_tstamp f;
1300		1743
1301	if (v == v - 1.)	1744	if (v == v - 1.)
1302	return v; /* very large number */	1745	return v; /* very large numbers are assumed to be integer */
1303		1746
1304	f = shift * ev_floor (v * (1. / shift));	1747	f = shift * ev_floor (v * (1. / shift));
1305	return f + ev_floor (v - f);	1748	return f + ev_floor (v - f);
1306	}	1749	}
1307		1750
1308	/* special treatment for negative args? */
1309	if (expect_false (v < 0.))
1310	{
1311	ev_tstamp f = -ev_floor (-v);
1312
1313	return f - (f == v ? 0 : 1);
1314	}
1315
1316	/* fits into an unsigned long */	1751	/* fits into an unsigned long */
1317	return (unsigned long)v;	1752	return (unsigned long)v;
1318	}	1753	}
1319		1754
1320	#endif	1755	#endif
…		…
1323		1758
1324	#ifdef __linux	1759	#ifdef __linux
1325	# include <sys/utsname.h>	1760	# include <sys/utsname.h>
1326	#endif	1761	#endif
1327		1762
1328	static unsigned int noinline ecb_cold	1763	ecb_noinline ecb_cold
		1764	static unsigned int
1329	ev_linux_version (void)	1765	ev_linux_version (void)
1330	{	1766	{
1331	#ifdef __linux	1767	#ifdef __linux
1332	unsigned int v = 0;	1768	unsigned int v = 0;
1333	struct utsname buf;	1769	struct utsname buf;
…		…
1362	}	1798	}
1363		1799
1364	/*****************************************************************************/	1800	/*****************************************************************************/
1365		1801
1366	#if EV_AVOID_STDIO	1802	#if EV_AVOID_STDIO
1367	static void noinline ecb_cold	1803	ecb_noinline ecb_cold
		1804	static void
1368	ev_printerr (const char *msg)	1805	ev_printerr (const char *msg)
1369	{	1806	{
1370	write (STDERR_FILENO, msg, strlen (msg));	1807	write (STDERR_FILENO, msg, strlen (msg));
1371	}	1808	}
1372	#endif	1809	#endif
1373		1810
1374	static void (*syserr_cb)(const char *msg) EV_THROW;	1811	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1375		1812
1376	void ecb_cold	1813	ecb_cold
		1814	void
1377	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1815	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1378	{	1816	{
1379	syserr_cb = cb;	1817	syserr_cb = cb;
1380	}	1818	}
1381		1819
1382	static void noinline ecb_cold	1820	ecb_noinline ecb_cold
		1821	static void
1383	ev_syserr (const char *msg)	1822	ev_syserr (const char *msg)
1384	{	1823	{
1385	if (!msg)	1824	if (!msg)
1386	msg = "(libev) system error";	1825	msg = "(libev) system error";
1387		1826
…		…
1400	abort ();	1839	abort ();
1401	}	1840	}
1402	}	1841	}
1403		1842
1404	static void *	1843	static void *
1405	ev_realloc_emul (void *ptr, long size) EV_THROW	1844	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1406	{	1845	{
1407	/* some systems, notably openbsd and darwin, fail to properly	1846	/* some systems, notably openbsd and darwin, fail to properly
1408	* implement realloc (x, 0) (as required by both ansi c-89 and	1847	* implement realloc (x, 0) (as required by both ansi c-89 and
1409	* the single unix specification, so work around them here.	1848	* the single unix specification, so work around them here.
1410	* recently, also (at least) fedora and debian started breaking it,	1849	* recently, also (at least) fedora and debian started breaking it,
…		…
1416		1855
1417	free (ptr);	1856	free (ptr);
1418	return 0;	1857	return 0;
1419	}	1858	}
1420		1859
1421	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1860	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1422		1861
1423	void ecb_cold	1862	ecb_cold
		1863	void
1424	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1864	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1425	{	1865	{
1426	alloc = cb;	1866	alloc = cb;
1427	}	1867	}
1428		1868
1429	inline_speed void *	1869	inline_speed void *
…		…
1456	typedef struct	1896	typedef struct
1457	{	1897	{
1458	WL head;	1898	WL head;
1459	unsigned char events; /* the events watched for */	1899	unsigned char events; /* the events watched for */
1460	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1900	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1461	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1901	unsigned char emask; /* some backends store the actual kernel mask in here */
1462	unsigned char unused;	1902	unsigned char eflags; /* flags field for use by backends */
1463	#if EV_USE_EPOLL	1903	#if EV_USE_EPOLL
1464	unsigned int egen; /* generation counter to counter epoll bugs */	1904	unsigned int egen; /* generation counter to counter epoll bugs */
1465	#endif	1905	#endif
1466	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1906	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1467	SOCKET handle;	1907	SOCKET handle;
…		…
1531	static int ev_default_loop_ptr;	1971	static int ev_default_loop_ptr;
1532		1972
1533	#endif	1973	#endif
1534		1974
1535	#if EV_FEATURE_API	1975	#if EV_FEATURE_API
1536	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1976	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1537	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1977	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1538	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1978	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1539	#else	1979	#else
1540	# define EV_RELEASE_CB (void)0	1980	# define EV_RELEASE_CB (void)0
1541	# define EV_ACQUIRE_CB (void)0	1981	# define EV_ACQUIRE_CB (void)0
1542	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1982	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1546		1986
1547	/*****************************************************************************/	1987	/*****************************************************************************/
1548		1988
1549	#ifndef EV_HAVE_EV_TIME	1989	#ifndef EV_HAVE_EV_TIME
1550	ev_tstamp	1990	ev_tstamp
1551	ev_time (void) EV_THROW	1991	ev_time (void) EV_NOEXCEPT
1552	{	1992	{
1553	#if EV_USE_REALTIME	1993	#if EV_USE_REALTIME
1554	if (expect_true (have_realtime))	1994	if (ecb_expect_true (have_realtime))
1555	{	1995	{
1556	struct timespec ts;	1996	struct timespec ts;
1557	clock_gettime (CLOCK_REALTIME, &ts);	1997	clock_gettime (CLOCK_REALTIME, &ts);
1558	return ts.tv_sec + ts.tv_nsec * 1e-9;	1998	return ts.tv_sec + ts.tv_nsec * 1e-9;
1559	}	1999	}
…		…
1567		2007
1568	inline_size ev_tstamp	2008	inline_size ev_tstamp
1569	get_clock (void)	2009	get_clock (void)
1570	{	2010	{
1571	#if EV_USE_MONOTONIC	2011	#if EV_USE_MONOTONIC
1572	if (expect_true (have_monotonic))	2012	if (ecb_expect_true (have_monotonic))
1573	{	2013	{
1574	struct timespec ts;	2014	struct timespec ts;
1575	clock_gettime (CLOCK_MONOTONIC, &ts);	2015	clock_gettime (CLOCK_MONOTONIC, &ts);
1576	return ts.tv_sec + ts.tv_nsec * 1e-9;	2016	return ts.tv_sec + ts.tv_nsec * 1e-9;
1577	}	2017	}
…		…
1580	return ev_time ();	2020	return ev_time ();
1581	}	2021	}
1582		2022
1583	#if EV_MULTIPLICITY	2023	#if EV_MULTIPLICITY
1584	ev_tstamp	2024	ev_tstamp
1585	ev_now (EV_P) EV_THROW	2025	ev_now (EV_P) EV_NOEXCEPT
1586	{	2026	{
1587	return ev_rt_now;	2027	return ev_rt_now;
1588	}	2028	}
1589	#endif	2029	#endif
1590		2030
1591	void	2031	void
1592	ev_sleep (ev_tstamp delay) EV_THROW	2032	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1593	{	2033	{
1594	if (delay > 0.)	2034	if (delay > 0.)
1595	{	2035	{
1596	#if EV_USE_NANOSLEEP	2036	#if EV_USE_NANOSLEEP
1597	struct timespec ts;	2037	struct timespec ts;
1598		2038
1599	EV_TS_SET (ts, delay);	2039	EV_TS_SET (ts, delay);
1600	nanosleep (&ts, 0);	2040	nanosleep (&ts, 0);
1601	#elif defined _WIN32	2041	#elif defined _WIN32
		2042	/* maybe this should round up, as ms is very low resolution */
		2043	/* compared to select (µs) or nanosleep (ns) */
1602	Sleep ((unsigned long)(delay * 1e3));	2044	Sleep ((unsigned long)(delay * 1e3));
1603	#else	2045	#else
1604	struct timeval tv;	2046	struct timeval tv;
1605		2047
1606	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2048	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1637	}	2079	}
1638		2080
1639	return ncur;	2081	return ncur;
1640	}	2082	}
1641		2083
1642	static void * noinline ecb_cold	2084	ecb_noinline ecb_cold
		2085	static void *
1643	array_realloc (int elem, void *base, int *cur, int cnt)	2086	array_realloc (int elem, void *base, int *cur, int cnt)
1644	{	2087	{
1645	*cur = array_nextsize (elem, *cur, cnt);	2088	*cur = array_nextsize (elem, *cur, cnt);
1646	return ev_realloc (base, elem * *cur);	2089	return ev_realloc (base, elem * *cur);
1647	}	2090	}
1648		2091
		2092	#define array_needsize_noinit(base,offset,count)
		2093
1649	#define array_init_zero(base,count) \	2094	#define array_needsize_zerofill(base,offset,count) \
1650	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2095	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1651		2096
1652	#define array_needsize(type,base,cur,cnt,init) \	2097	#define array_needsize(type,base,cur,cnt,init) \
1653	if (expect_false ((cnt) > (cur))) \	2098	if (ecb_expect_false ((cnt) > (cur))) \
1654	{ \	2099	{ \
1655	int ecb_unused ocur_ = (cur); \	2100	ecb_unused int ocur_ = (cur); \
1656	(base) = (type *)array_realloc \	2101	(base) = (type *)array_realloc \
1657	(sizeof (type), (base), &(cur), (cnt)); \	2102	(sizeof (type), (base), &(cur), (cnt)); \
1658	init ((base) + (ocur_), (cur) - ocur_); \	2103	init ((base), ocur_, ((cur) - ocur_)); \
1659	}	2104	}
1660		2105
1661	#if 0	2106	#if 0
1662	#define array_slim(type,stem) \	2107	#define array_slim(type,stem) \
1663	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2108	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1672	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2117	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1673		2118
1674	/*****************************************************************************/	2119	/*****************************************************************************/
1675		2120
1676	/* dummy callback for pending events */	2121	/* dummy callback for pending events */
1677	static void noinline	2122	ecb_noinline
		2123	static void
1678	pendingcb (EV_P_ ev_prepare *w, int revents)	2124	pendingcb (EV_P_ ev_prepare *w, int revents)
1679	{	2125	{
1680	}	2126	}
1681		2127
1682	void noinline	2128	ecb_noinline
		2129	void
1683	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2130	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1684	{	2131	{
1685	W w_ = (W)w;	2132	W w_ = (W)w;
1686	int pri = ABSPRI (w_);	2133	int pri = ABSPRI (w_);
1687		2134
1688	if (expect_false (w_->pending))	2135	if (ecb_expect_false (w_->pending))
1689	pendings [pri][w_->pending - 1].events |= revents;	2136	pendings [pri][w_->pending - 1].events |= revents;
1690	else	2137	else
1691	{	2138	{
1692	w_->pending = ++pendingcnt [pri];	2139	w_->pending = ++pendingcnt [pri];
1693	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2140	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1694	pendings [pri][w_->pending - 1].w = w_;	2141	pendings [pri][w_->pending - 1].w = w_;
1695	pendings [pri][w_->pending - 1].events = revents;	2142	pendings [pri][w_->pending - 1].events = revents;
1696	}	2143	}
1697		2144
1698	pendingpri = NUMPRI - 1;	2145	pendingpri = NUMPRI - 1;
1699	}	2146	}
1700		2147
1701	inline_speed void	2148	inline_speed void
1702	feed_reverse (EV_P_ W w)	2149	feed_reverse (EV_P_ W w)
1703	{	2150	{
1704	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2151	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1705	rfeeds [rfeedcnt++] = w;	2152	rfeeds [rfeedcnt++] = w;
1706	}	2153	}
1707		2154
1708	inline_size void	2155	inline_size void
1709	feed_reverse_done (EV_P_ int revents)	2156	feed_reverse_done (EV_P_ int revents)
…		…
1744	inline_speed void	2191	inline_speed void
1745	fd_event (EV_P_ int fd, int revents)	2192	fd_event (EV_P_ int fd, int revents)
1746	{	2193	{
1747	ANFD *anfd = anfds + fd;	2194	ANFD *anfd = anfds + fd;
1748		2195
1749	if (expect_true (!anfd->reify))	2196	if (ecb_expect_true (!anfd->reify))
1750	fd_event_nocheck (EV_A_ fd, revents);	2197	fd_event_nocheck (EV_A_ fd, revents);
1751	}	2198	}
1752		2199
1753	void	2200	void
1754	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2201	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1755	{	2202	{
1756	if (fd >= 0 && fd < anfdmax)	2203	if (fd >= 0 && fd < anfdmax)
1757	fd_event_nocheck (EV_A_ fd, revents);	2204	fd_event_nocheck (EV_A_ fd, revents);
1758	}	2205	}
1759		2206
…		…
1796	ev_io *w;	2243	ev_io *w;
1797		2244
1798	unsigned char o_events = anfd->events;	2245	unsigned char o_events = anfd->events;
1799	unsigned char o_reify = anfd->reify;	2246	unsigned char o_reify = anfd->reify;
1800		2247
1801	anfd->reify = 0;	2248	anfd->reify = 0;
1802		2249
1803	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2250	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1804	{	2251	{
1805	anfd->events = 0;	2252	anfd->events = 0;
1806		2253
1807	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2254	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1808	anfd->events |= (unsigned char)w->events;	2255	anfd->events |= (unsigned char)w->events;
…		…
1817		2264
1818	fdchangecnt = 0;	2265	fdchangecnt = 0;
1819	}	2266	}
1820		2267
1821	/* something about the given fd changed */	2268	/* something about the given fd changed */
1822	inline_size void	2269	inline_size
		2270	void
1823	fd_change (EV_P_ int fd, int flags)	2271	fd_change (EV_P_ int fd, int flags)
1824	{	2272	{
1825	unsigned char reify = anfds [fd].reify;	2273	unsigned char reify = anfds [fd].reify;
1826	anfds [fd].reify |= flags;	2274	anfds [fd].reify |= flags;
1827		2275
1828	if (expect_true (!reify))	2276	if (ecb_expect_true (!reify))
1829	{	2277	{
1830	++fdchangecnt;	2278	++fdchangecnt;
1831	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2279	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1832	fdchanges [fdchangecnt - 1] = fd;	2280	fdchanges [fdchangecnt - 1] = fd;
1833	}	2281	}
1834	}	2282	}
1835		2283
1836	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2284	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1837	inline_speed void ecb_cold	2285	inline_speed ecb_cold void
1838	fd_kill (EV_P_ int fd)	2286	fd_kill (EV_P_ int fd)
1839	{	2287	{
1840	ev_io *w;	2288	ev_io *w;
1841		2289
1842	while ((w = (ev_io *)anfds [fd].head))	2290	while ((w = (ev_io *)anfds [fd].head))
…		…
1845	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2293	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1846	}	2294	}
1847	}	2295	}
1848		2296
1849	/* check whether the given fd is actually valid, for error recovery */	2297	/* check whether the given fd is actually valid, for error recovery */
1850	inline_size int ecb_cold	2298	inline_size ecb_cold int
1851	fd_valid (int fd)	2299	fd_valid (int fd)
1852	{	2300	{
1853	#ifdef _WIN32	2301	#ifdef _WIN32
1854	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2302	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1855	#else	2303	#else
1856	return fcntl (fd, F_GETFD) != -1;	2304	return fcntl (fd, F_GETFD) != -1;
1857	#endif	2305	#endif
1858	}	2306	}
1859		2307
1860	/* called on EBADF to verify fds */	2308	/* called on EBADF to verify fds */
1861	static void noinline ecb_cold	2309	ecb_noinline ecb_cold
		2310	static void
1862	fd_ebadf (EV_P)	2311	fd_ebadf (EV_P)
1863	{	2312	{
1864	int fd;	2313	int fd;
1865		2314
1866	for (fd = 0; fd < anfdmax; ++fd)	2315	for (fd = 0; fd < anfdmax; ++fd)
…		…
1868	if (!fd_valid (fd) && errno == EBADF)	2317	if (!fd_valid (fd) && errno == EBADF)
1869	fd_kill (EV_A_ fd);	2318	fd_kill (EV_A_ fd);
1870	}	2319	}
1871		2320
1872	/* called on ENOMEM in select/poll to kill some fds and retry */	2321	/* called on ENOMEM in select/poll to kill some fds and retry */
1873	static void noinline ecb_cold	2322	ecb_noinline ecb_cold
		2323	static void
1874	fd_enomem (EV_P)	2324	fd_enomem (EV_P)
1875	{	2325	{
1876	int fd;	2326	int fd;
1877		2327
1878	for (fd = anfdmax; fd--; )	2328	for (fd = anfdmax; fd--; )
…		…
1882	break;	2332	break;
1883	}	2333	}
1884	}	2334	}
1885		2335
1886	/* usually called after fork if backend needs to re-arm all fds from scratch */	2336	/* usually called after fork if backend needs to re-arm all fds from scratch */
1887	static void noinline	2337	ecb_noinline
		2338	static void
1888	fd_rearm_all (EV_P)	2339	fd_rearm_all (EV_P)
1889	{	2340	{
1890	int fd;	2341	int fd;
1891		2342
1892	for (fd = 0; fd < anfdmax; ++fd)	2343	for (fd = 0; fd < anfdmax; ++fd)
…		…
1945	ev_tstamp minat;	2396	ev_tstamp minat;
1946	ANHE *minpos;	2397	ANHE *minpos;
1947	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2398	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
1948		2399
1949	/* find minimum child */	2400	/* find minimum child */
1950	if (expect_true (pos + DHEAP - 1 < E))	2401	if (ecb_expect_true (pos + DHEAP - 1 < E))
1951	{	2402	{
1952	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2403	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
1953	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2404	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
1954	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2405	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
1955	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2406	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2073		2524
2074	/*****************************************************************************/	2525	/*****************************************************************************/
2075		2526
2076	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2527	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2077		2528
2078	static void noinline ecb_cold	2529	ecb_noinline ecb_cold
		2530	static void
2079	evpipe_init (EV_P)	2531	evpipe_init (EV_P)
2080	{	2532	{
2081	if (!ev_is_active (&pipe_w))	2533	if (!ev_is_active (&pipe_w))
2082	{	2534	{
2083	int fds [2];	2535	int fds [2];
…		…
2094	while (pipe (fds))	2546	while (pipe (fds))
2095	ev_syserr ("(libev) error creating signal/async pipe");	2547	ev_syserr ("(libev) error creating signal/async pipe");
2096		2548
2097	fd_intern (fds [0]);	2549	fd_intern (fds [0]);
2098	}	2550	}
2099
2100	fd_intern (fds [1]);
2101		2551
2102	evpipe [0] = fds [0];	2552	evpipe [0] = fds [0];
2103		2553
2104	if (evpipe [1] < 0)	2554	if (evpipe [1] < 0)
2105	evpipe [1] = fds [1]; /* first call, set write fd */	2555	evpipe [1] = fds [1]; /* first call, set write fd */
…		…
2112		2562
2113	dup2 (fds [1], evpipe [1]);	2563	dup2 (fds [1], evpipe [1]);
2114	close (fds [1]);	2564	close (fds [1]);
2115	}	2565	}
2116		2566
		2567	fd_intern (evpipe [1]);
		2568
2117	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);	2569	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2118	ev_io_start (EV_A_ &pipe_w);	2570	ev_io_start (EV_A_ &pipe_w);
2119	ev_unref (EV_A); /* watcher should not keep loop alive */	2571	ev_unref (EV_A); /* watcher should not keep loop alive */
2120	}	2572	}
2121	}	2573	}
…		…
2123	inline_speed void	2575	inline_speed void
2124	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2576	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2125	{	2577	{
2126	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2578	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2127		2579
2128	if (expect_true (*flag))	2580	if (ecb_expect_true (*flag))
2129	return;	2581	return;
2130		2582
2131	*flag = 1;	2583	*flag = 1;
2132	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2584	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2133		2585
…		…
2154	#endif	2606	#endif
2155	{	2607	{
2156	#ifdef _WIN32	2608	#ifdef _WIN32
2157	WSABUF buf;	2609	WSABUF buf;
2158	DWORD sent;	2610	DWORD sent;
2159	buf.buf = &buf;	2611	buf.buf = (char *)&buf;
2160	buf.len = 1;	2612	buf.len = 1;
2161	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2613	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2162	#else	2614	#else
2163	write (evpipe [1], &(evpipe [1]), 1);	2615	write (evpipe [1], &(evpipe [1]), 1);
2164	#endif	2616	#endif
…		…
2210	sig_pending = 0;	2662	sig_pending = 0;
2211		2663
2212	ECB_MEMORY_FENCE;	2664	ECB_MEMORY_FENCE;
2213		2665
2214	for (i = EV_NSIG - 1; i--; )	2666	for (i = EV_NSIG - 1; i--; )
2215	if (expect_false (signals [i].pending))	2667	if (ecb_expect_false (signals [i].pending))
2216	ev_feed_signal_event (EV_A_ i + 1);	2668	ev_feed_signal_event (EV_A_ i + 1);
2217	}	2669	}
2218	#endif	2670	#endif
2219		2671
2220	#if EV_ASYNC_ENABLE	2672	#if EV_ASYNC_ENABLE
…		…
2236	}	2688	}
2237		2689
2238	/*****************************************************************************/	2690	/*****************************************************************************/
2239		2691
2240	void	2692	void
2241	ev_feed_signal (int signum) EV_THROW	2693	ev_feed_signal (int signum) EV_NOEXCEPT
2242	{	2694	{
2243	#if EV_MULTIPLICITY	2695	#if EV_MULTIPLICITY
		2696	EV_P;
2244	ECB_MEMORY_FENCE_ACQUIRE;	2697	ECB_MEMORY_FENCE_ACQUIRE;
2245	EV_P = signals [signum - 1].loop;	2698	EV_A = signals [signum - 1].loop;
2246		2699
2247	if (!EV_A)	2700	if (!EV_A)
2248	return;	2701	return;
2249	#endif	2702	#endif
2250		2703
…		…
2260	#endif	2713	#endif
2261		2714
2262	ev_feed_signal (signum);	2715	ev_feed_signal (signum);
2263	}	2716	}
2264		2717
2265	void noinline	2718	ecb_noinline
		2719	void
2266	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2720	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2267	{	2721	{
2268	WL w;	2722	WL w;
2269		2723
2270	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2724	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2271	return;	2725	return;
2272		2726
2273	--signum;	2727	--signum;
2274		2728
2275	#if EV_MULTIPLICITY	2729	#if EV_MULTIPLICITY
2276	/* it is permissible to try to feed a signal to the wrong loop */	2730	/* it is permissible to try to feed a signal to the wrong loop */
2277	/* or, likely more useful, feeding a signal nobody is waiting for */	2731	/* or, likely more useful, feeding a signal nobody is waiting for */
2278		2732
2279	if (expect_false (signals [signum].loop != EV_A))	2733	if (ecb_expect_false (signals [signum].loop != EV_A))
2280	return;	2734	return;
2281	#endif	2735	#endif
2282		2736
2283	signals [signum].pending = 0;	2737	signals [signum].pending = 0;
2284	ECB_MEMORY_FENCE_RELEASE;	2738	ECB_MEMORY_FENCE_RELEASE;
…		…
2380	# include "ev_kqueue.c"	2834	# include "ev_kqueue.c"
2381	#endif	2835	#endif
2382	#if EV_USE_EPOLL	2836	#if EV_USE_EPOLL
2383	# include "ev_epoll.c"	2837	# include "ev_epoll.c"
2384	#endif	2838	#endif
		2839	#if EV_USE_LINUXAIO
		2840	# include "ev_linuxaio.c"
		2841	#endif
		2842	#if EV_USE_IOURING
		2843	# include "ev_iouring.c"
		2844	#endif
2385	#if EV_USE_POLL	2845	#if EV_USE_POLL
2386	# include "ev_poll.c"	2846	# include "ev_poll.c"
2387	#endif	2847	#endif
2388	#if EV_USE_SELECT	2848	#if EV_USE_SELECT
2389	# include "ev_select.c"	2849	# include "ev_select.c"
2390	#endif	2850	#endif
2391		2851
2392	int ecb_cold	2852	ecb_cold int
2393	ev_version_major (void) EV_THROW	2853	ev_version_major (void) EV_NOEXCEPT
2394	{	2854	{
2395	return EV_VERSION_MAJOR;	2855	return EV_VERSION_MAJOR;
2396	}	2856	}
2397		2857
2398	int ecb_cold	2858	ecb_cold int
2399	ev_version_minor (void) EV_THROW	2859	ev_version_minor (void) EV_NOEXCEPT
2400	{	2860	{
2401	return EV_VERSION_MINOR;	2861	return EV_VERSION_MINOR;
2402	}	2862	}
2403		2863
2404	/* return true if we are running with elevated privileges and should ignore env variables */	2864	/* return true if we are running with elevated privileges and should ignore env variables */
2405	int inline_size ecb_cold	2865	inline_size ecb_cold int
2406	enable_secure (void)	2866	enable_secure (void)
2407	{	2867	{
2408	#ifdef _WIN32	2868	#ifdef _WIN32
2409	return 0;	2869	return 0;
2410	#else	2870	#else
2411	return getuid () != geteuid ()	2871	return getuid () != geteuid ()
2412	|| getgid () != getegid ();	2872	|| getgid () != getegid ();
2413	#endif	2873	#endif
2414	}	2874	}
2415		2875
2416	unsigned int ecb_cold	2876	ecb_cold
		2877	unsigned int
2417	ev_supported_backends (void) EV_THROW	2878	ev_supported_backends (void) EV_NOEXCEPT
2418	{	2879	{
2419	unsigned int flags = 0;	2880	unsigned int flags = 0;
2420		2881
2421	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2882	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2422	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2883	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2423	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2884	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2885	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2886	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2424	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2887	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2425	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2888	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2426		2889
2427	return flags;	2890	return flags;
2428	}	2891	}
2429		2892
2430	unsigned int ecb_cold	2893	ecb_cold
		2894	unsigned int
2431	ev_recommended_backends (void) EV_THROW	2895	ev_recommended_backends (void) EV_NOEXCEPT
2432	{	2896	{
2433	unsigned int flags = ev_supported_backends ();	2897	unsigned int flags = ev_supported_backends ();
2434		2898
2435	#ifndef __NetBSD__	2899	#ifndef __NetBSD__
2436	/* kqueue is borked on everything but netbsd apparently */	2900	/* kqueue is borked on everything but netbsd apparently */
…		…
2444	#endif	2908	#endif
2445	#ifdef __FreeBSD__	2909	#ifdef __FreeBSD__
2446	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2910	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2447	#endif	2911	#endif
2448		2912
		2913	/* TODO: linuxaio is very experimental */
		2914	#if !EV_RECOMMEND_LINUXAIO
		2915	flags &= ~EVBACKEND_LINUXAIO;
		2916	#endif
		2917	/* TODO: linuxaio is super experimental */
		2918	#if !EV_RECOMMEND_IOURING
		2919	flags &= ~EVBACKEND_IOURING;
		2920	#endif
		2921
2449	return flags;	2922	return flags;
2450	}	2923	}
2451		2924
2452	unsigned int ecb_cold	2925	ecb_cold
		2926	unsigned int
2453	ev_embeddable_backends (void) EV_THROW	2927	ev_embeddable_backends (void) EV_NOEXCEPT
2454	{	2928	{
2455	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2929	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2456		2930
2457	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2931	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2458	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2932	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2459	flags &= ~EVBACKEND_EPOLL;	2933	flags &= ~EVBACKEND_EPOLL;
2460		2934
		2935	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2936
		2937	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2938	* because our backend_fd is the epoll fd we need as fallback.
		2939	* if the kernel ever is fixed, this might change...
		2940	*/
		2941
2461	return flags;	2942	return flags;
2462	}	2943	}
2463		2944
2464	unsigned int	2945	unsigned int
2465	ev_backend (EV_P) EV_THROW	2946	ev_backend (EV_P) EV_NOEXCEPT
2466	{	2947	{
2467	return backend;	2948	return backend;
2468	}	2949	}
2469		2950
2470	#if EV_FEATURE_API	2951	#if EV_FEATURE_API
2471	unsigned int	2952	unsigned int
2472	ev_iteration (EV_P) EV_THROW	2953	ev_iteration (EV_P) EV_NOEXCEPT
2473	{	2954	{
2474	return loop_count;	2955	return loop_count;
2475	}	2956	}
2476		2957
2477	unsigned int	2958	unsigned int
2478	ev_depth (EV_P) EV_THROW	2959	ev_depth (EV_P) EV_NOEXCEPT
2479	{	2960	{
2480	return loop_depth;	2961	return loop_depth;
2481	}	2962	}
2482		2963
2483	void	2964	void
2484	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2965	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2485	{	2966	{
2486	io_blocktime = interval;	2967	io_blocktime = interval;
2487	}	2968	}
2488		2969
2489	void	2970	void
2490	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2971	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2491	{	2972	{
2492	timeout_blocktime = interval;	2973	timeout_blocktime = interval;
2493	}	2974	}
2494		2975
2495	void	2976	void
2496	ev_set_userdata (EV_P_ void *data) EV_THROW	2977	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2497	{	2978	{
2498	userdata = data;	2979	userdata = data;
2499	}	2980	}
2500		2981
2501	void *	2982	void *
2502	ev_userdata (EV_P) EV_THROW	2983	ev_userdata (EV_P) EV_NOEXCEPT
2503	{	2984	{
2504	return userdata;	2985	return userdata;
2505	}	2986	}
2506		2987
2507	void	2988	void
2508	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2989	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2509	{	2990	{
2510	invoke_cb = invoke_pending_cb;	2991	invoke_cb = invoke_pending_cb;
2511	}	2992	}
2512		2993
2513	void	2994	void
2514	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2995	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2515	{	2996	{
2516	release_cb = release;	2997	release_cb = release;
2517	acquire_cb = acquire;	2998	acquire_cb = acquire;
2518	}	2999	}
2519	#endif	3000	#endif
2520		3001
2521	/* initialise a loop structure, must be zero-initialised */	3002	/* initialise a loop structure, must be zero-initialised */
2522	static void noinline ecb_cold	3003	ecb_noinline ecb_cold
		3004	static void
2523	loop_init (EV_P_ unsigned int flags) EV_THROW	3005	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2524	{	3006	{
2525	if (!backend)	3007	if (!backend)
2526	{	3008	{
2527	origflags = flags;	3009	origflags = flags;
2528		3010
…		…
2586		3068
2587	if (!(flags & EVBACKEND_MASK))	3069	if (!(flags & EVBACKEND_MASK))
2588	flags |= ev_recommended_backends ();	3070	flags |= ev_recommended_backends ();
2589		3071
2590	#if EV_USE_IOCP	3072	#if EV_USE_IOCP
2591	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3073	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2592	#endif	3074	#endif
2593	#if EV_USE_PORT	3075	#if EV_USE_PORT
2594	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3076	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2595	#endif	3077	#endif
2596	#if EV_USE_KQUEUE	3078	#if EV_USE_KQUEUE
2597	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3079	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3080	#endif
		3081	#if EV_USE_IOURING
		3082	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3083	#endif
		3084	#if EV_USE_LINUXAIO
		3085	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2598	#endif	3086	#endif
2599	#if EV_USE_EPOLL	3087	#if EV_USE_EPOLL
2600	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3088	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2601	#endif	3089	#endif
2602	#if EV_USE_POLL	3090	#if EV_USE_POLL
2603	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3091	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2604	#endif	3092	#endif
2605	#if EV_USE_SELECT	3093	#if EV_USE_SELECT
2606	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3094	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2607	#endif	3095	#endif
2608		3096
2609	ev_prepare_init (&pending_w, pendingcb);	3097	ev_prepare_init (&pending_w, pendingcb);
2610		3098
2611	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3099	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2614	#endif	3102	#endif
2615	}	3103	}
2616	}	3104	}
2617		3105
2618	/* free up a loop structure */	3106	/* free up a loop structure */
2619	void ecb_cold	3107	ecb_cold
		3108	void
2620	ev_loop_destroy (EV_P)	3109	ev_loop_destroy (EV_P)
2621	{	3110	{
2622	int i;	3111	int i;
2623		3112
2624	#if EV_MULTIPLICITY	3113	#if EV_MULTIPLICITY
…		…
2627	return;	3116	return;
2628	#endif	3117	#endif
2629		3118
2630	#if EV_CLEANUP_ENABLE	3119	#if EV_CLEANUP_ENABLE
2631	/* queue cleanup watchers (and execute them) */	3120	/* queue cleanup watchers (and execute them) */
2632	if (expect_false (cleanupcnt))	3121	if (ecb_expect_false (cleanupcnt))
2633	{	3122	{
2634	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3123	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2635	EV_INVOKE_PENDING;	3124	EV_INVOKE_PENDING;
2636	}	3125	}
2637	#endif	3126	#endif
…		…
2665		3154
2666	if (backend_fd >= 0)	3155	if (backend_fd >= 0)
2667	close (backend_fd);	3156	close (backend_fd);
2668		3157
2669	#if EV_USE_IOCP	3158	#if EV_USE_IOCP
2670	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3159	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2671	#endif	3160	#endif
2672	#if EV_USE_PORT	3161	#if EV_USE_PORT
2673	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3162	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2674	#endif	3163	#endif
2675	#if EV_USE_KQUEUE	3164	#if EV_USE_KQUEUE
2676	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3165	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3166	#endif
		3167	#if EV_USE_IOURING
		3168	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3169	#endif
		3170	#if EV_USE_LINUXAIO
		3171	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2677	#endif	3172	#endif
2678	#if EV_USE_EPOLL	3173	#if EV_USE_EPOLL
2679	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3174	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2680	#endif	3175	#endif
2681	#if EV_USE_POLL	3176	#if EV_USE_POLL
2682	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3177	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2683	#endif	3178	#endif
2684	#if EV_USE_SELECT	3179	#if EV_USE_SELECT
2685	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3180	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2686	#endif	3181	#endif
2687		3182
2688	for (i = NUMPRI; i--; )	3183	for (i = NUMPRI; i--; )
2689	{	3184	{
2690	array_free (pending, [i]);	3185	array_free (pending, [i]);
…		…
2732		3227
2733	inline_size void	3228	inline_size void
2734	loop_fork (EV_P)	3229	loop_fork (EV_P)
2735	{	3230	{
2736	#if EV_USE_PORT	3231	#if EV_USE_PORT
2737	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3232	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2738	#endif	3233	#endif
2739	#if EV_USE_KQUEUE	3234	#if EV_USE_KQUEUE
2740	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3235	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3236	#endif
		3237	#if EV_USE_IOURING
		3238	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3239	#endif
		3240	#if EV_USE_LINUXAIO
		3241	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2741	#endif	3242	#endif
2742	#if EV_USE_EPOLL	3243	#if EV_USE_EPOLL
2743	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3244	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2744	#endif	3245	#endif
2745	#if EV_USE_INOTIFY	3246	#if EV_USE_INOTIFY
2746	infy_fork (EV_A);	3247	infy_fork (EV_A);
2747	#endif	3248	#endif
2748		3249
2749	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3250	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2750	if (ev_is_active (&pipe_w))	3251	if (ev_is_active (&pipe_w) && postfork != 2)
2751	{	3252	{
2752	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3253	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2753		3254
2754	ev_ref (EV_A);	3255	ev_ref (EV_A);
2755	ev_io_stop (EV_A_ &pipe_w);	3256	ev_io_stop (EV_A_ &pipe_w);
…		…
2766	postfork = 0;	3267	postfork = 0;
2767	}	3268	}
2768		3269
2769	#if EV_MULTIPLICITY	3270	#if EV_MULTIPLICITY
2770		3271
		3272	ecb_cold
2771	struct ev_loop * ecb_cold	3273	struct ev_loop *
2772	ev_loop_new (unsigned int flags) EV_THROW	3274	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2773	{	3275	{
2774	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3276	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2775		3277
2776	memset (EV_A, 0, sizeof (struct ev_loop));	3278	memset (EV_A, 0, sizeof (struct ev_loop));
2777	loop_init (EV_A_ flags);	3279	loop_init (EV_A_ flags);
…		…
2784	}	3286	}
2785		3287
2786	#endif /* multiplicity */	3288	#endif /* multiplicity */
2787		3289
2788	#if EV_VERIFY	3290	#if EV_VERIFY
2789	static void noinline ecb_cold	3291	ecb_noinline ecb_cold
		3292	static void
2790	verify_watcher (EV_P_ W w)	3293	verify_watcher (EV_P_ W w)
2791	{	3294	{
2792	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3295	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2793		3296
2794	if (w->pending)	3297	if (w->pending)
2795	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3298	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2796	}	3299	}
2797		3300
2798	static void noinline ecb_cold	3301	ecb_noinline ecb_cold
		3302	static void
2799	verify_heap (EV_P_ ANHE *heap, int N)	3303	verify_heap (EV_P_ ANHE *heap, int N)
2800	{	3304	{
2801	int i;	3305	int i;
2802		3306
2803	for (i = HEAP0; i < N + HEAP0; ++i)	3307	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2808		3312
2809	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3313	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2810	}	3314	}
2811	}	3315	}
2812		3316
2813	static void noinline ecb_cold	3317	ecb_noinline ecb_cold
		3318	static void
2814	array_verify (EV_P_ W *ws, int cnt)	3319	array_verify (EV_P_ W *ws, int cnt)
2815	{	3320	{
2816	while (cnt--)	3321	while (cnt--)
2817	{	3322	{
2818	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3323	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2821	}	3326	}
2822	#endif	3327	#endif
2823		3328
2824	#if EV_FEATURE_API	3329	#if EV_FEATURE_API
2825	void ecb_cold	3330	void ecb_cold
2826	ev_verify (EV_P) EV_THROW	3331	ev_verify (EV_P) EV_NOEXCEPT
2827	{	3332	{
2828	#if EV_VERIFY	3333	#if EV_VERIFY
2829	int i;	3334	int i;
2830	WL w, w2;	3335	WL w, w2;
2831		3336
…		…
2907	#endif	3412	#endif
2908	}	3413	}
2909	#endif	3414	#endif
2910		3415
2911	#if EV_MULTIPLICITY	3416	#if EV_MULTIPLICITY
		3417	ecb_cold
2912	struct ev_loop * ecb_cold	3418	struct ev_loop *
2913	#else	3419	#else
2914	int	3420	int
2915	#endif	3421	#endif
2916	ev_default_loop (unsigned int flags) EV_THROW	3422	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2917	{	3423	{
2918	if (!ev_default_loop_ptr)	3424	if (!ev_default_loop_ptr)
2919	{	3425	{
2920	#if EV_MULTIPLICITY	3426	#if EV_MULTIPLICITY
2921	EV_P = ev_default_loop_ptr = &default_loop_struct;	3427	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2940		3446
2941	return ev_default_loop_ptr;	3447	return ev_default_loop_ptr;
2942	}	3448	}
2943		3449
2944	void	3450	void
2945	ev_loop_fork (EV_P) EV_THROW	3451	ev_loop_fork (EV_P) EV_NOEXCEPT
2946	{	3452	{
2947	postfork = 1;	3453	postfork = 1;
2948	}	3454	}
2949		3455
2950	/*****************************************************************************/	3456	/*****************************************************************************/
…		…
2954	{	3460	{
2955	EV_CB_INVOKE ((W)w, revents);	3461	EV_CB_INVOKE ((W)w, revents);
2956	}	3462	}
2957		3463
2958	unsigned int	3464	unsigned int
2959	ev_pending_count (EV_P) EV_THROW	3465	ev_pending_count (EV_P) EV_NOEXCEPT
2960	{	3466	{
2961	int pri;	3467	int pri;
2962	unsigned int count = 0;	3468	unsigned int count = 0;
2963		3469
2964	for (pri = NUMPRI; pri--; )	3470	for (pri = NUMPRI; pri--; )
2965	count += pendingcnt [pri];	3471	count += pendingcnt [pri];
2966		3472
2967	return count;	3473	return count;
2968	}	3474	}
2969		3475
2970	void noinline	3476	ecb_noinline
		3477	void
2971	ev_invoke_pending (EV_P)	3478	ev_invoke_pending (EV_P)
2972	{	3479	{
2973	pendingpri = NUMPRI;	3480	pendingpri = NUMPRI;
2974		3481
2975	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3482	do
2976	{	3483	{
2977	--pendingpri;	3484	--pendingpri;
2978		3485
		3486	/* pendingpri possibly gets modified in the inner loop */
2979	while (pendingcnt [pendingpri])	3487	while (pendingcnt [pendingpri])
2980	{	3488	{
2981	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3489	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2982		3490
2983	p->w->pending = 0;	3491	p->w->pending = 0;
2984	EV_CB_INVOKE (p->w, p->events);	3492	EV_CB_INVOKE (p->w, p->events);
2985	EV_FREQUENT_CHECK;	3493	EV_FREQUENT_CHECK;
2986	}	3494	}
2987	}	3495	}
		3496	while (pendingpri);
2988	}	3497	}
2989		3498
2990	#if EV_IDLE_ENABLE	3499	#if EV_IDLE_ENABLE
2991	/* make idle watchers pending. this handles the "call-idle */	3500	/* make idle watchers pending. this handles the "call-idle */
2992	/* only when higher priorities are idle" logic */	3501	/* only when higher priorities are idle" logic */
2993	inline_size void	3502	inline_size void
2994	idle_reify (EV_P)	3503	idle_reify (EV_P)
2995	{	3504	{
2996	if (expect_false (idleall))	3505	if (ecb_expect_false (idleall))
2997	{	3506	{
2998	int pri;	3507	int pri;
2999		3508
3000	for (pri = NUMPRI; pri--; )	3509	for (pri = NUMPRI; pri--; )
3001	{	3510	{
…		…
3050	}	3559	}
3051	}	3560	}
3052		3561
3053	#if EV_PERIODIC_ENABLE	3562	#if EV_PERIODIC_ENABLE
3054		3563
3055	static void noinline	3564	ecb_noinline
		3565	static void
3056	periodic_recalc (EV_P_ ev_periodic *w)	3566	periodic_recalc (EV_P_ ev_periodic *w)
3057	{	3567	{
3058	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3568	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3059	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3569	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3060		3570
…		…
3062	while (at <= ev_rt_now)	3572	while (at <= ev_rt_now)
3063	{	3573	{
3064	ev_tstamp nat = at + w->interval;	3574	ev_tstamp nat = at + w->interval;
3065		3575
3066	/* when resolution fails us, we use ev_rt_now */	3576	/* when resolution fails us, we use ev_rt_now */
3067	if (expect_false (nat == at))	3577	if (ecb_expect_false (nat == at))
3068	{	3578	{
3069	at = ev_rt_now;	3579	at = ev_rt_now;
3070	break;	3580	break;
3071	}	3581	}
3072		3582
…		…
3118	}	3628	}
3119	}	3629	}
3120		3630
3121	/* simply recalculate all periodics */	3631	/* simply recalculate all periodics */
3122	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3632	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3123	static void noinline ecb_cold	3633	ecb_noinline ecb_cold
		3634	static void
3124	periodics_reschedule (EV_P)	3635	periodics_reschedule (EV_P)
3125	{	3636	{
3126	int i;	3637	int i;
3127		3638
3128	/* adjust periodics after time jump */	3639	/* adjust periodics after time jump */
…		…
3141	reheap (periodics, periodiccnt);	3652	reheap (periodics, periodiccnt);
3142	}	3653	}
3143	#endif	3654	#endif
3144		3655
3145	/* adjust all timers by a given offset */	3656	/* adjust all timers by a given offset */
3146	static void noinline ecb_cold	3657	ecb_noinline ecb_cold
		3658	static void
3147	timers_reschedule (EV_P_ ev_tstamp adjust)	3659	timers_reschedule (EV_P_ ev_tstamp adjust)
3148	{	3660	{
3149	int i;	3661	int i;
3150		3662
3151	for (i = 0; i < timercnt; ++i)	3663	for (i = 0; i < timercnt; ++i)
…		…
3160	/* also detect if there was a timejump, and act accordingly */	3672	/* also detect if there was a timejump, and act accordingly */
3161	inline_speed void	3673	inline_speed void
3162	time_update (EV_P_ ev_tstamp max_block)	3674	time_update (EV_P_ ev_tstamp max_block)
3163	{	3675	{
3164	#if EV_USE_MONOTONIC	3676	#if EV_USE_MONOTONIC
3165	if (expect_true (have_monotonic))	3677	if (ecb_expect_true (have_monotonic))
3166	{	3678	{
3167	int i;	3679	int i;
3168	ev_tstamp odiff = rtmn_diff;	3680	ev_tstamp odiff = rtmn_diff;
3169		3681
3170	mn_now = get_clock ();	3682	mn_now = get_clock ();
3171		3683
3172	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3684	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3173	/* interpolate in the meantime */	3685	/* interpolate in the meantime */
3174	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3686	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3175	{	3687	{
3176	ev_rt_now = rtmn_diff + mn_now;	3688	ev_rt_now = rtmn_diff + mn_now;
3177	return;	3689	return;
3178	}	3690	}
3179		3691
…		…
3193	ev_tstamp diff;	3705	ev_tstamp diff;
3194	rtmn_diff = ev_rt_now - mn_now;	3706	rtmn_diff = ev_rt_now - mn_now;
3195		3707
3196	diff = odiff - rtmn_diff;	3708	diff = odiff - rtmn_diff;
3197		3709
3198	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3710	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3199	return; /* all is well */	3711	return; /* all is well */
3200		3712
3201	ev_rt_now = ev_time ();	3713	ev_rt_now = ev_time ();
3202	mn_now = get_clock ();	3714	mn_now = get_clock ();
3203	now_floor = mn_now;	3715	now_floor = mn_now;
…		…
3212	else	3724	else
3213	#endif	3725	#endif
3214	{	3726	{
3215	ev_rt_now = ev_time ();	3727	ev_rt_now = ev_time ();
3216		3728
3217	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3729	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3218	{	3730	{
3219	/* adjust timers. this is easy, as the offset is the same for all of them */	3731	/* adjust timers. this is easy, as the offset is the same for all of them */
3220	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3732	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3221	#if EV_PERIODIC_ENABLE	3733	#if EV_PERIODIC_ENABLE
3222	periodics_reschedule (EV_A);	3734	periodics_reschedule (EV_A);
…		…
3245	#if EV_VERIFY >= 2	3757	#if EV_VERIFY >= 2
3246	ev_verify (EV_A);	3758	ev_verify (EV_A);
3247	#endif	3759	#endif
3248		3760
3249	#ifndef _WIN32	3761	#ifndef _WIN32
3250	if (expect_false (curpid)) /* penalise the forking check even more */	3762	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3251	if (expect_false (getpid () != curpid))	3763	if (ecb_expect_false (getpid () != curpid))
3252	{	3764	{
3253	curpid = getpid ();	3765	curpid = getpid ();
3254	postfork = 1;	3766	postfork = 1;
3255	}	3767	}
3256	#endif	3768	#endif
3257		3769
3258	#if EV_FORK_ENABLE	3770	#if EV_FORK_ENABLE
3259	/* we might have forked, so queue fork handlers */	3771	/* we might have forked, so queue fork handlers */
3260	if (expect_false (postfork))	3772	if (ecb_expect_false (postfork))
3261	if (forkcnt)	3773	if (forkcnt)
3262	{	3774	{
3263	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3775	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3264	EV_INVOKE_PENDING;	3776	EV_INVOKE_PENDING;
3265	}	3777	}
3266	#endif	3778	#endif
3267		3779
3268	#if EV_PREPARE_ENABLE	3780	#if EV_PREPARE_ENABLE
3269	/* queue prepare watchers (and execute them) */	3781	/* queue prepare watchers (and execute them) */
3270	if (expect_false (preparecnt))	3782	if (ecb_expect_false (preparecnt))
3271	{	3783	{
3272	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3784	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3273	EV_INVOKE_PENDING;	3785	EV_INVOKE_PENDING;
3274	}	3786	}
3275	#endif	3787	#endif
3276		3788
3277	if (expect_false (loop_done))	3789	if (ecb_expect_false (loop_done))
3278	break;	3790	break;
3279		3791
3280	/* we might have forked, so reify kernel state if necessary */	3792	/* we might have forked, so reify kernel state if necessary */
3281	if (expect_false (postfork))	3793	if (ecb_expect_false (postfork))
3282	loop_fork (EV_A);	3794	loop_fork (EV_A);
3283		3795
3284	/* update fd-related kernel structures */	3796	/* update fd-related kernel structures */
3285	fd_reify (EV_A);	3797	fd_reify (EV_A);
3286		3798
…		…
3298	/* from now on, we want a pipe-wake-up */	3810	/* from now on, we want a pipe-wake-up */
3299	pipe_write_wanted = 1;	3811	pipe_write_wanted = 1;
3300		3812
3301	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3813	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3302		3814
3303	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3815	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3304	{	3816	{
3305	waittime = MAX_BLOCKTIME;	3817	waittime = MAX_BLOCKTIME;
3306		3818
3307	if (timercnt)	3819	if (timercnt)
3308	{	3820	{
…		…
3317	if (waittime > to) waittime = to;	3829	if (waittime > to) waittime = to;
3318	}	3830	}
3319	#endif	3831	#endif
3320		3832
3321	/* don't let timeouts decrease the waittime below timeout_blocktime */	3833	/* don't let timeouts decrease the waittime below timeout_blocktime */
3322	if (expect_false (waittime < timeout_blocktime))	3834	if (ecb_expect_false (waittime < timeout_blocktime))
3323	waittime = timeout_blocktime;	3835	waittime = timeout_blocktime;
3324		3836
3325	/* at this point, we NEED to wait, so we have to ensure */	3837	/* at this point, we NEED to wait, so we have to ensure */
3326	/* to pass a minimum nonzero value to the backend */	3838	/* to pass a minimum nonzero value to the backend */
3327	if (expect_false (waittime < backend_mintime))	3839	if (ecb_expect_false (waittime < backend_mintime))
3328	waittime = backend_mintime;	3840	waittime = backend_mintime;
3329		3841
3330	/* extra check because io_blocktime is commonly 0 */	3842	/* extra check because io_blocktime is commonly 0 */
3331	if (expect_false (io_blocktime))	3843	if (ecb_expect_false (io_blocktime))
3332	{	3844	{
3333	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3845	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3334		3846
3335	if (sleeptime > waittime - backend_mintime)	3847	if (sleeptime > waittime - backend_mintime)
3336	sleeptime = waittime - backend_mintime;	3848	sleeptime = waittime - backend_mintime;
3337		3849
3338	if (expect_true (sleeptime > 0.))	3850	if (ecb_expect_true (sleeptime > 0.))
3339	{	3851	{
3340	ev_sleep (sleeptime);	3852	ev_sleep (sleeptime);
3341	waittime -= sleeptime;	3853	waittime -= sleeptime;
3342	}	3854	}
3343	}	3855	}
…		…
3357	{	3869	{
3358	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3870	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3359	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3871	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3360	}	3872	}
3361		3873
3362
3363	/* update ev_rt_now, do magic */	3874	/* update ev_rt_now, do magic */
3364	time_update (EV_A_ waittime + sleeptime);	3875	time_update (EV_A_ waittime + sleeptime);
3365	}	3876	}
3366		3877
3367	/* queue pending timers and reschedule them */	3878	/* queue pending timers and reschedule them */
…		…
3375	idle_reify (EV_A);	3886	idle_reify (EV_A);
3376	#endif	3887	#endif
3377		3888
3378	#if EV_CHECK_ENABLE	3889	#if EV_CHECK_ENABLE
3379	/* queue check watchers, to be executed first */	3890	/* queue check watchers, to be executed first */
3380	if (expect_false (checkcnt))	3891	if (ecb_expect_false (checkcnt))
3381	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3892	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3382	#endif	3893	#endif
3383		3894
3384	EV_INVOKE_PENDING;	3895	EV_INVOKE_PENDING;
3385	}	3896	}
3386	while (expect_true (	3897	while (ecb_expect_true (
3387	activecnt	3898	activecnt
3388	&& !loop_done	3899	&& !loop_done
3389	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3900	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3390	));	3901	));
3391		3902
…		…
3398		3909
3399	return activecnt;	3910	return activecnt;
3400	}	3911	}
3401		3912
3402	void	3913	void
3403	ev_break (EV_P_ int how) EV_THROW	3914	ev_break (EV_P_ int how) EV_NOEXCEPT
3404	{	3915	{
3405	loop_done = how;	3916	loop_done = how;
3406	}	3917	}
3407		3918
3408	void	3919	void
3409	ev_ref (EV_P) EV_THROW	3920	ev_ref (EV_P) EV_NOEXCEPT
3410	{	3921	{
3411	++activecnt;	3922	++activecnt;
3412	}	3923	}
3413		3924
3414	void	3925	void
3415	ev_unref (EV_P) EV_THROW	3926	ev_unref (EV_P) EV_NOEXCEPT
3416	{	3927	{
3417	--activecnt;	3928	--activecnt;
3418	}	3929	}
3419		3930
3420	void	3931	void
3421	ev_now_update (EV_P) EV_THROW	3932	ev_now_update (EV_P) EV_NOEXCEPT
3422	{	3933	{
3423	time_update (EV_A_ 1e100);	3934	time_update (EV_A_ 1e100);
3424	}	3935	}
3425		3936
3426	void	3937	void
3427	ev_suspend (EV_P) EV_THROW	3938	ev_suspend (EV_P) EV_NOEXCEPT
3428	{	3939	{
3429	ev_now_update (EV_A);	3940	ev_now_update (EV_A);
3430	}	3941	}
3431		3942
3432	void	3943	void
3433	ev_resume (EV_P) EV_THROW	3944	ev_resume (EV_P) EV_NOEXCEPT
3434	{	3945	{
3435	ev_tstamp mn_prev = mn_now;	3946	ev_tstamp mn_prev = mn_now;
3436		3947
3437	ev_now_update (EV_A);	3948	ev_now_update (EV_A);
3438	timers_reschedule (EV_A_ mn_now - mn_prev);	3949	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3455	inline_size void	3966	inline_size void
3456	wlist_del (WL *head, WL elem)	3967	wlist_del (WL *head, WL elem)
3457	{	3968	{
3458	while (*head)	3969	while (*head)
3459	{	3970	{
3460	if (expect_true (*head == elem))	3971	if (ecb_expect_true (*head == elem))
3461	{	3972	{
3462	*head = elem->next;	3973	*head = elem->next;
3463	break;	3974	break;
3464	}	3975	}
3465		3976
…		…
3477	w->pending = 0;	3988	w->pending = 0;
3478	}	3989	}
3479	}	3990	}
3480		3991
3481	int	3992	int
3482	ev_clear_pending (EV_P_ void *w) EV_THROW	3993	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3483	{	3994	{
3484	W w_ = (W)w;	3995	W w_ = (W)w;
3485	int pending = w_->pending;	3996	int pending = w_->pending;
3486		3997
3487	if (expect_true (pending))	3998	if (ecb_expect_true (pending))
3488	{	3999	{
3489	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4000	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3490	p->w = (W)&pending_w;	4001	p->w = (W)&pending_w;
3491	w_->pending = 0;	4002	w_->pending = 0;
3492	return p->events;	4003	return p->events;
…		…
3519	w->active = 0;	4030	w->active = 0;
3520	}	4031	}
3521		4032
3522	/*****************************************************************************/	4033	/*****************************************************************************/
3523		4034
3524	void noinline	4035	ecb_noinline
		4036	void
3525	ev_io_start (EV_P_ ev_io *w) EV_THROW	4037	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3526	{	4038	{
3527	int fd = w->fd;	4039	int fd = w->fd;
3528		4040
3529	if (expect_false (ev_is_active (w)))	4041	if (ecb_expect_false (ev_is_active (w)))
3530	return;	4042	return;
3531		4043
3532	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4044	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3533	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4045	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3534		4046
		4047	#if EV_VERIFY >= 2
		4048	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4049	#endif
3535	EV_FREQUENT_CHECK;	4050	EV_FREQUENT_CHECK;
3536		4051
3537	ev_start (EV_A_ (W)w, 1);	4052	ev_start (EV_A_ (W)w, 1);
3538	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4053	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3539	wlist_add (&anfds[fd].head, (WL)w);	4054	wlist_add (&anfds[fd].head, (WL)w);
3540		4055
3541	/* common bug, apparently */	4056	/* common bug, apparently */
3542	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4057	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3543		4058
…		…
3545	w->events &= ~EV__IOFDSET;	4060	w->events &= ~EV__IOFDSET;
3546		4061
3547	EV_FREQUENT_CHECK;	4062	EV_FREQUENT_CHECK;
3548	}	4063	}
3549		4064
3550	void noinline	4065	ecb_noinline
		4066	void
3551	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4067	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3552	{	4068	{
3553	clear_pending (EV_A_ (W)w);	4069	clear_pending (EV_A_ (W)w);
3554	if (expect_false (!ev_is_active (w)))	4070	if (ecb_expect_false (!ev_is_active (w)))
3555	return;	4071	return;
3556		4072
3557	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4073	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3558		4074
		4075	#if EV_VERIFY >= 2
		4076	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4077	#endif
3559	EV_FREQUENT_CHECK;	4078	EV_FREQUENT_CHECK;
3560		4079
3561	wlist_del (&anfds[w->fd].head, (WL)w);	4080	wlist_del (&anfds[w->fd].head, (WL)w);
3562	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3563		4082
3564	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4083	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3565		4084
3566	EV_FREQUENT_CHECK;	4085	EV_FREQUENT_CHECK;
3567	}	4086	}
3568		4087
3569	void noinline	4088	ecb_noinline
		4089	void
3570	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4090	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3571	{	4091	{
3572	if (expect_false (ev_is_active (w)))	4092	if (ecb_expect_false (ev_is_active (w)))
3573	return;	4093	return;
3574		4094
3575	ev_at (w) += mn_now;	4095	ev_at (w) += mn_now;
3576		4096
3577	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4097	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3578		4098
3579	EV_FREQUENT_CHECK;	4099	EV_FREQUENT_CHECK;
3580		4100
3581	++timercnt;	4101	++timercnt;
3582	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4102	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3583	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4103	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3584	ANHE_w (timers [ev_active (w)]) = (WT)w;	4104	ANHE_w (timers [ev_active (w)]) = (WT)w;
3585	ANHE_at_cache (timers [ev_active (w)]);	4105	ANHE_at_cache (timers [ev_active (w)]);
3586	upheap (timers, ev_active (w));	4106	upheap (timers, ev_active (w));
3587		4107
3588	EV_FREQUENT_CHECK;	4108	EV_FREQUENT_CHECK;
3589		4109
3590	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4110	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3591	}	4111	}
3592		4112
3593	void noinline	4113	ecb_noinline
		4114	void
3594	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4115	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3595	{	4116	{
3596	clear_pending (EV_A_ (W)w);	4117	clear_pending (EV_A_ (W)w);
3597	if (expect_false (!ev_is_active (w)))	4118	if (ecb_expect_false (!ev_is_active (w)))
3598	return;	4119	return;
3599		4120
3600	EV_FREQUENT_CHECK;	4121	EV_FREQUENT_CHECK;
3601		4122
3602	{	4123	{
…		…
3604		4125
3605	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4126	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3606		4127
3607	--timercnt;	4128	--timercnt;
3608		4129
3609	if (expect_true (active < timercnt + HEAP0))	4130	if (ecb_expect_true (active < timercnt + HEAP0))
3610	{	4131	{
3611	timers [active] = timers [timercnt + HEAP0];	4132	timers [active] = timers [timercnt + HEAP0];
3612	adjustheap (timers, timercnt, active);	4133	adjustheap (timers, timercnt, active);
3613	}	4134	}
3614	}	4135	}
…		…
3618	ev_stop (EV_A_ (W)w);	4139	ev_stop (EV_A_ (W)w);
3619		4140
3620	EV_FREQUENT_CHECK;	4141	EV_FREQUENT_CHECK;
3621	}	4142	}
3622		4143
3623	void noinline	4144	ecb_noinline
		4145	void
3624	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4146	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3625	{	4147	{
3626	EV_FREQUENT_CHECK;	4148	EV_FREQUENT_CHECK;
3627		4149
3628	clear_pending (EV_A_ (W)w);	4150	clear_pending (EV_A_ (W)w);
3629		4151
…		…
3646		4168
3647	EV_FREQUENT_CHECK;	4169	EV_FREQUENT_CHECK;
3648	}	4170	}
3649		4171
3650	ev_tstamp	4172	ev_tstamp
3651	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4173	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3652	{	4174	{
3653	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4175	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3654	}	4176	}
3655		4177
3656	#if EV_PERIODIC_ENABLE	4178	#if EV_PERIODIC_ENABLE
3657	void noinline	4179	ecb_noinline
		4180	void
3658	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4181	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3659	{	4182	{
3660	if (expect_false (ev_is_active (w)))	4183	if (ecb_expect_false (ev_is_active (w)))
3661	return;	4184	return;
3662		4185
3663	if (w->reschedule_cb)	4186	if (w->reschedule_cb)
3664	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4187	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3665	else if (w->interval)	4188	else if (w->interval)
…		…
3672		4195
3673	EV_FREQUENT_CHECK;	4196	EV_FREQUENT_CHECK;
3674		4197
3675	++periodiccnt;	4198	++periodiccnt;
3676	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4199	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3677	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4200	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3678	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4201	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3679	ANHE_at_cache (periodics [ev_active (w)]);	4202	ANHE_at_cache (periodics [ev_active (w)]);
3680	upheap (periodics, ev_active (w));	4203	upheap (periodics, ev_active (w));
3681		4204
3682	EV_FREQUENT_CHECK;	4205	EV_FREQUENT_CHECK;
3683		4206
3684	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4207	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3685	}	4208	}
3686		4209
3687	void noinline	4210	ecb_noinline
		4211	void
3688	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4212	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3689	{	4213	{
3690	clear_pending (EV_A_ (W)w);	4214	clear_pending (EV_A_ (W)w);
3691	if (expect_false (!ev_is_active (w)))	4215	if (ecb_expect_false (!ev_is_active (w)))
3692	return;	4216	return;
3693		4217
3694	EV_FREQUENT_CHECK;	4218	EV_FREQUENT_CHECK;
3695		4219
3696	{	4220	{
…		…
3698		4222
3699	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4223	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3700		4224
3701	--periodiccnt;	4225	--periodiccnt;
3702		4226
3703	if (expect_true (active < periodiccnt + HEAP0))	4227	if (ecb_expect_true (active < periodiccnt + HEAP0))
3704	{	4228	{
3705	periodics [active] = periodics [periodiccnt + HEAP0];	4229	periodics [active] = periodics [periodiccnt + HEAP0];
3706	adjustheap (periodics, periodiccnt, active);	4230	adjustheap (periodics, periodiccnt, active);
3707	}	4231	}
3708	}	4232	}
…		…
3710	ev_stop (EV_A_ (W)w);	4234	ev_stop (EV_A_ (W)w);
3711		4235
3712	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
3713	}	4237	}
3714		4238
3715	void noinline	4239	ecb_noinline
		4240	void
3716	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4241	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3717	{	4242	{
3718	/* TODO: use adjustheap and recalculation */	4243	/* TODO: use adjustheap and recalculation */
3719	ev_periodic_stop (EV_A_ w);	4244	ev_periodic_stop (EV_A_ w);
3720	ev_periodic_start (EV_A_ w);	4245	ev_periodic_start (EV_A_ w);
3721	}	4246	}
…		…
3725	# define SA_RESTART 0	4250	# define SA_RESTART 0
3726	#endif	4251	#endif
3727		4252
3728	#if EV_SIGNAL_ENABLE	4253	#if EV_SIGNAL_ENABLE
3729		4254
3730	void noinline	4255	ecb_noinline
		4256	void
3731	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4257	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3732	{	4258	{
3733	if (expect_false (ev_is_active (w)))	4259	if (ecb_expect_false (ev_is_active (w)))
3734	return;	4260	return;
3735		4261
3736	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4262	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3737		4263
3738	#if EV_MULTIPLICITY	4264	#if EV_MULTIPLICITY
…		…
3807	}	4333	}
3808		4334
3809	EV_FREQUENT_CHECK;	4335	EV_FREQUENT_CHECK;
3810	}	4336	}
3811		4337
3812	void noinline	4338	ecb_noinline
		4339	void
3813	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4340	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3814	{	4341	{
3815	clear_pending (EV_A_ (W)w);	4342	clear_pending (EV_A_ (W)w);
3816	if (expect_false (!ev_is_active (w)))	4343	if (ecb_expect_false (!ev_is_active (w)))
3817	return;	4344	return;
3818		4345
3819	EV_FREQUENT_CHECK;	4346	EV_FREQUENT_CHECK;
3820		4347
3821	wlist_del (&signals [w->signum - 1].head, (WL)w);	4348	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3849	#endif	4376	#endif
3850		4377
3851	#if EV_CHILD_ENABLE	4378	#if EV_CHILD_ENABLE
3852		4379
3853	void	4380	void
3854	ev_child_start (EV_P_ ev_child *w) EV_THROW	4381	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3855	{	4382	{
3856	#if EV_MULTIPLICITY	4383	#if EV_MULTIPLICITY
3857	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4384	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3858	#endif	4385	#endif
3859	if (expect_false (ev_is_active (w)))	4386	if (ecb_expect_false (ev_is_active (w)))
3860	return;	4387	return;
3861		4388
3862	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3863		4390
3864	ev_start (EV_A_ (W)w, 1);	4391	ev_start (EV_A_ (W)w, 1);
…		…
3866		4393
3867	EV_FREQUENT_CHECK;	4394	EV_FREQUENT_CHECK;
3868	}	4395	}
3869		4396
3870	void	4397	void
3871	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4398	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3872	{	4399	{
3873	clear_pending (EV_A_ (W)w);	4400	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4401	if (ecb_expect_false (!ev_is_active (w)))
3875	return;	4402	return;
3876		4403
3877	EV_FREQUENT_CHECK;	4404	EV_FREQUENT_CHECK;
3878		4405
3879	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4406	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3893		4420
3894	#define DEF_STAT_INTERVAL 5.0074891	4421	#define DEF_STAT_INTERVAL 5.0074891
3895	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4422	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3896	#define MIN_STAT_INTERVAL 0.1074891	4423	#define MIN_STAT_INTERVAL 0.1074891
3897		4424
3898	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4425	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3899		4426
3900	#if EV_USE_INOTIFY	4427	#if EV_USE_INOTIFY
3901		4428
3902	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4429	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3903	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4430	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3904		4431
3905	static void noinline	4432	ecb_noinline
		4433	static void
3906	infy_add (EV_P_ ev_stat *w)	4434	infy_add (EV_P_ ev_stat *w)
3907	{	4435	{
3908	w->wd = inotify_add_watch (fs_fd, w->path,	4436	w->wd = inotify_add_watch (fs_fd, w->path,
3909	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4437	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3910	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4438	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
3974	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4502	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3975	ev_timer_again (EV_A_ &w->timer);	4503	ev_timer_again (EV_A_ &w->timer);
3976	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3977	}	4505	}
3978		4506
3979	static void noinline	4507	ecb_noinline
		4508	static void
3980	infy_del (EV_P_ ev_stat *w)	4509	infy_del (EV_P_ ev_stat *w)
3981	{	4510	{
3982	int slot;	4511	int slot;
3983	int wd = w->wd;	4512	int wd = w->wd;
3984		4513
…		…
3991		4520
3992	/* remove this watcher, if others are watching it, they will rearm */	4521	/* remove this watcher, if others are watching it, they will rearm */
3993	inotify_rm_watch (fs_fd, wd);	4522	inotify_rm_watch (fs_fd, wd);
3994	}	4523	}
3995		4524
3996	static void noinline	4525	ecb_noinline
		4526	static void
3997	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4527	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3998	{	4528	{
3999	if (slot < 0)	4529	if (slot < 0)
4000	/* overflow, need to check for all hash slots */	4530	/* overflow, need to check for all hash slots */
4001	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4531	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4037	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4567	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4038	ofs += sizeof (struct inotify_event) + ev->len;	4568	ofs += sizeof (struct inotify_event) + ev->len;
4039	}	4569	}
4040	}	4570	}
4041		4571
4042	inline_size void ecb_cold	4572	inline_size ecb_cold
		4573	void
4043	ev_check_2625 (EV_P)	4574	ev_check_2625 (EV_P)
4044	{	4575	{
4045	/* kernels < 2.6.25 are borked	4576	/* kernels < 2.6.25 are borked
4046	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4577	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4047	*/	4578	*/
…		…
4137	#else	4668	#else
4138	# define EV_LSTAT(p,b) lstat (p, b)	4669	# define EV_LSTAT(p,b) lstat (p, b)
4139	#endif	4670	#endif
4140		4671
4141	void	4672	void
4142	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4673	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4143	{	4674	{
4144	if (lstat (w->path, &w->attr) < 0)	4675	if (lstat (w->path, &w->attr) < 0)
4145	w->attr.st_nlink = 0;	4676	w->attr.st_nlink = 0;
4146	else if (!w->attr.st_nlink)	4677	else if (!w->attr.st_nlink)
4147	w->attr.st_nlink = 1;	4678	w->attr.st_nlink = 1;
4148	}	4679	}
4149		4680
4150	static void noinline	4681	ecb_noinline
		4682	static void
4151	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4683	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4152	{	4684	{
4153	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4685	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4154		4686
4155	ev_statdata prev = w->attr;	4687	ev_statdata prev = w->attr;
…		…
4186	ev_feed_event (EV_A_ w, EV_STAT);	4718	ev_feed_event (EV_A_ w, EV_STAT);
4187	}	4719	}
4188	}	4720	}
4189		4721
4190	void	4722	void
4191	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4723	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4192	{	4724	{
4193	if (expect_false (ev_is_active (w)))	4725	if (ecb_expect_false (ev_is_active (w)))
4194	return;	4726	return;
4195		4727
4196	ev_stat_stat (EV_A_ w);	4728	ev_stat_stat (EV_A_ w);
4197		4729
4198	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4730	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4217		4749
4218	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
4219	}	4751	}
4220		4752
4221	void	4753	void
4222	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4754	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4223	{	4755	{
4224	clear_pending (EV_A_ (W)w);	4756	clear_pending (EV_A_ (W)w);
4225	if (expect_false (!ev_is_active (w)))	4757	if (ecb_expect_false (!ev_is_active (w)))
4226	return;	4758	return;
4227		4759
4228	EV_FREQUENT_CHECK;	4760	EV_FREQUENT_CHECK;
4229		4761
4230	#if EV_USE_INOTIFY	4762	#if EV_USE_INOTIFY
…		…
4243	}	4775	}
4244	#endif	4776	#endif
4245		4777
4246	#if EV_IDLE_ENABLE	4778	#if EV_IDLE_ENABLE
4247	void	4779	void
4248	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4780	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4249	{	4781	{
4250	if (expect_false (ev_is_active (w)))	4782	if (ecb_expect_false (ev_is_active (w)))
4251	return;	4783	return;
4252		4784
4253	pri_adjust (EV_A_ (W)w);	4785	pri_adjust (EV_A_ (W)w);
4254		4786
4255	EV_FREQUENT_CHECK;	4787	EV_FREQUENT_CHECK;
…		…
4258	int active = ++idlecnt [ABSPRI (w)];	4790	int active = ++idlecnt [ABSPRI (w)];
4259		4791
4260	++idleall;	4792	++idleall;
4261	ev_start (EV_A_ (W)w, active);	4793	ev_start (EV_A_ (W)w, active);
4262		4794
4263	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4795	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4264	idles [ABSPRI (w)][active - 1] = w;	4796	idles [ABSPRI (w)][active - 1] = w;
4265	}	4797	}
4266		4798
4267	EV_FREQUENT_CHECK;	4799	EV_FREQUENT_CHECK;
4268	}	4800	}
4269		4801
4270	void	4802	void
4271	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4803	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4272	{	4804	{
4273	clear_pending (EV_A_ (W)w);	4805	clear_pending (EV_A_ (W)w);
4274	if (expect_false (!ev_is_active (w)))	4806	if (ecb_expect_false (!ev_is_active (w)))
4275	return;	4807	return;
4276		4808
4277	EV_FREQUENT_CHECK;	4809	EV_FREQUENT_CHECK;
4278		4810
4279	{	4811	{
…		…
4290	}	4822	}
4291	#endif	4823	#endif
4292		4824
4293	#if EV_PREPARE_ENABLE	4825	#if EV_PREPARE_ENABLE
4294	void	4826	void
4295	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4827	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4296	{	4828	{
4297	if (expect_false (ev_is_active (w)))	4829	if (ecb_expect_false (ev_is_active (w)))
4298	return;	4830	return;
4299		4831
4300	EV_FREQUENT_CHECK;	4832	EV_FREQUENT_CHECK;
4301		4833
4302	ev_start (EV_A_ (W)w, ++preparecnt);	4834	ev_start (EV_A_ (W)w, ++preparecnt);
4303	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4835	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4304	prepares [preparecnt - 1] = w;	4836	prepares [preparecnt - 1] = w;
4305		4837
4306	EV_FREQUENT_CHECK;	4838	EV_FREQUENT_CHECK;
4307	}	4839	}
4308		4840
4309	void	4841	void
4310	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4842	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4311	{	4843	{
4312	clear_pending (EV_A_ (W)w);	4844	clear_pending (EV_A_ (W)w);
4313	if (expect_false (!ev_is_active (w)))	4845	if (ecb_expect_false (!ev_is_active (w)))
4314	return;	4846	return;
4315		4847
4316	EV_FREQUENT_CHECK;	4848	EV_FREQUENT_CHECK;
4317		4849
4318	{	4850	{
…		…
4328	}	4860	}
4329	#endif	4861	#endif
4330		4862
4331	#if EV_CHECK_ENABLE	4863	#if EV_CHECK_ENABLE
4332	void	4864	void
4333	ev_check_start (EV_P_ ev_check *w) EV_THROW	4865	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4334	{	4866	{
4335	if (expect_false (ev_is_active (w)))	4867	if (ecb_expect_false (ev_is_active (w)))
4336	return;	4868	return;
4337		4869
4338	EV_FREQUENT_CHECK;	4870	EV_FREQUENT_CHECK;
4339		4871
4340	ev_start (EV_A_ (W)w, ++checkcnt);	4872	ev_start (EV_A_ (W)w, ++checkcnt);
4341	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4873	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4342	checks [checkcnt - 1] = w;	4874	checks [checkcnt - 1] = w;
4343		4875
4344	EV_FREQUENT_CHECK;	4876	EV_FREQUENT_CHECK;
4345	}	4877	}
4346		4878
4347	void	4879	void
4348	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4880	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4349	{	4881	{
4350	clear_pending (EV_A_ (W)w);	4882	clear_pending (EV_A_ (W)w);
4351	if (expect_false (!ev_is_active (w)))	4883	if (ecb_expect_false (!ev_is_active (w)))
4352	return;	4884	return;
4353		4885
4354	EV_FREQUENT_CHECK;	4886	EV_FREQUENT_CHECK;
4355		4887
4356	{	4888	{
…		…
4365	EV_FREQUENT_CHECK;	4897	EV_FREQUENT_CHECK;
4366	}	4898	}
4367	#endif	4899	#endif
4368		4900
4369	#if EV_EMBED_ENABLE	4901	#if EV_EMBED_ENABLE
4370	void noinline	4902	ecb_noinline
		4903	void
4371	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4904	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4372	{	4905	{
4373	ev_run (w->other, EVRUN_NOWAIT);	4906	ev_run (w->other, EVRUN_NOWAIT);
4374	}	4907	}
4375		4908
4376	static void	4909	static void
…		…
4424	ev_idle_stop (EV_A_ idle);	4957	ev_idle_stop (EV_A_ idle);
4425	}	4958	}
4426	#endif	4959	#endif
4427		4960
4428	void	4961	void
4429	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4962	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4430	{	4963	{
4431	if (expect_false (ev_is_active (w)))	4964	if (ecb_expect_false (ev_is_active (w)))
4432	return;	4965	return;
4433		4966
4434	{	4967	{
4435	EV_P = w->other;	4968	EV_P = w->other;
4436	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4969	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4455		4988
4456	EV_FREQUENT_CHECK;	4989	EV_FREQUENT_CHECK;
4457	}	4990	}
4458		4991
4459	void	4992	void
4460	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4993	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4461	{	4994	{
4462	clear_pending (EV_A_ (W)w);	4995	clear_pending (EV_A_ (W)w);
4463	if (expect_false (!ev_is_active (w)))	4996	if (ecb_expect_false (!ev_is_active (w)))
4464	return;	4997	return;
4465		4998
4466	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4467		5000
4468	ev_io_stop (EV_A_ &w->io);	5001	ev_io_stop (EV_A_ &w->io);
…		…
4475	}	5008	}
4476	#endif	5009	#endif
4477		5010
4478	#if EV_FORK_ENABLE	5011	#if EV_FORK_ENABLE
4479	void	5012	void
4480	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5013	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4481	{	5014	{
4482	if (expect_false (ev_is_active (w)))	5015	if (ecb_expect_false (ev_is_active (w)))
4483	return;	5016	return;
4484		5017
4485	EV_FREQUENT_CHECK;	5018	EV_FREQUENT_CHECK;
4486		5019
4487	ev_start (EV_A_ (W)w, ++forkcnt);	5020	ev_start (EV_A_ (W)w, ++forkcnt);
4488	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5021	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4489	forks [forkcnt - 1] = w;	5022	forks [forkcnt - 1] = w;
4490		5023
4491	EV_FREQUENT_CHECK;	5024	EV_FREQUENT_CHECK;
4492	}	5025	}
4493		5026
4494	void	5027	void
4495	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5028	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4496	{	5029	{
4497	clear_pending (EV_A_ (W)w);	5030	clear_pending (EV_A_ (W)w);
4498	if (expect_false (!ev_is_active (w)))	5031	if (ecb_expect_false (!ev_is_active (w)))
4499	return;	5032	return;
4500		5033
4501	EV_FREQUENT_CHECK;	5034	EV_FREQUENT_CHECK;
4502		5035
4503	{	5036	{
…		…
4513	}	5046	}
4514	#endif	5047	#endif
4515		5048
4516	#if EV_CLEANUP_ENABLE	5049	#if EV_CLEANUP_ENABLE
4517	void	5050	void
4518	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5051	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4519	{	5052	{
4520	if (expect_false (ev_is_active (w)))	5053	if (ecb_expect_false (ev_is_active (w)))
4521	return;	5054	return;
4522		5055
4523	EV_FREQUENT_CHECK;	5056	EV_FREQUENT_CHECK;
4524		5057
4525	ev_start (EV_A_ (W)w, ++cleanupcnt);	5058	ev_start (EV_A_ (W)w, ++cleanupcnt);
4526	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5059	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4527	cleanups [cleanupcnt - 1] = w;	5060	cleanups [cleanupcnt - 1] = w;
4528		5061
4529	/* cleanup watchers should never keep a refcount on the loop */	5062	/* cleanup watchers should never keep a refcount on the loop */
4530	ev_unref (EV_A);	5063	ev_unref (EV_A);
4531	EV_FREQUENT_CHECK;	5064	EV_FREQUENT_CHECK;
4532	}	5065	}
4533		5066
4534	void	5067	void
4535	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5068	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4536	{	5069	{
4537	clear_pending (EV_A_ (W)w);	5070	clear_pending (EV_A_ (W)w);
4538	if (expect_false (!ev_is_active (w)))	5071	if (ecb_expect_false (!ev_is_active (w)))
4539	return;	5072	return;
4540		5073
4541	EV_FREQUENT_CHECK;	5074	EV_FREQUENT_CHECK;
4542	ev_ref (EV_A);	5075	ev_ref (EV_A);
4543		5076
…		…
4554	}	5087	}
4555	#endif	5088	#endif
4556		5089
4557	#if EV_ASYNC_ENABLE	5090	#if EV_ASYNC_ENABLE
4558	void	5091	void
4559	ev_async_start (EV_P_ ev_async *w) EV_THROW	5092	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4560	{	5093	{
4561	if (expect_false (ev_is_active (w)))	5094	if (ecb_expect_false (ev_is_active (w)))
4562	return;	5095	return;
4563		5096
4564	w->sent = 0;	5097	w->sent = 0;
4565		5098
4566	evpipe_init (EV_A);	5099	evpipe_init (EV_A);
4567		5100
4568	EV_FREQUENT_CHECK;	5101	EV_FREQUENT_CHECK;
4569		5102
4570	ev_start (EV_A_ (W)w, ++asynccnt);	5103	ev_start (EV_A_ (W)w, ++asynccnt);
4571	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5104	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4572	asyncs [asynccnt - 1] = w;	5105	asyncs [asynccnt - 1] = w;
4573		5106
4574	EV_FREQUENT_CHECK;	5107	EV_FREQUENT_CHECK;
4575	}	5108	}
4576		5109
4577	void	5110	void
4578	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5111	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4579	{	5112	{
4580	clear_pending (EV_A_ (W)w);	5113	clear_pending (EV_A_ (W)w);
4581	if (expect_false (!ev_is_active (w)))	5114	if (ecb_expect_false (!ev_is_active (w)))
4582	return;	5115	return;
4583		5116
4584	EV_FREQUENT_CHECK;	5117	EV_FREQUENT_CHECK;
4585		5118
4586	{	5119	{
…		…
4594		5127
4595	EV_FREQUENT_CHECK;	5128	EV_FREQUENT_CHECK;
4596	}	5129	}
4597		5130
4598	void	5131	void
4599	ev_async_send (EV_P_ ev_async *w) EV_THROW	5132	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4600	{	5133	{
4601	w->sent = 1;	5134	w->sent = 1;
4602	evpipe_write (EV_A_ &async_pending);	5135	evpipe_write (EV_A_ &async_pending);
4603	}	5136	}
4604	#endif	5137	#endif
…		…
4641		5174
4642	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5175	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4643	}	5176	}
4644		5177
4645	void	5178	void
4646	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5179	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4647	{	5180	{
4648	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5181	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4649
4650	if (expect_false (!once))
4651	{
4652	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4653	return;
4654	}
4655		5182
4656	once->cb = cb;	5183	once->cb = cb;
4657	once->arg = arg;	5184	once->arg = arg;
4658		5185
4659	ev_init (&once->io, once_cb_io);	5186	ev_init (&once->io, once_cb_io);
…		…
4672	}	5199	}
4673		5200
4674	/*****************************************************************************/	5201	/*****************************************************************************/
4675		5202
4676	#if EV_WALK_ENABLE	5203	#if EV_WALK_ENABLE
4677	void ecb_cold	5204	ecb_cold
		5205	void
4678	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5206	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4679	{	5207	{
4680	int i, j;	5208	int i, j;
4681	ev_watcher_list *wl, *wn;	5209	ev_watcher_list *wl, *wn;
4682		5210
4683	if (types & (EV_IO | EV_EMBED))	5211	if (types & (EV_IO | EV_EMBED))

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