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Comparing libev/ev.c (file contents):
Revision 1.464 by root, Fri Mar 21 16:41:04 2014 UTC vs.
Revision 1.513 by root, Fri Dec 20 05:20:23 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
118	# endif	118	# endif
119		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
		127	# endif
		128
		129	# if HAVE_LINUX_FS_H && HAVE_SYS_TIMERFD_H && HAVE_KERNEL_RWF_T
		130	# ifndef EV_USE_IOURING
		131	# define EV_USE_IOURING EV_FEATURE_BACKENDS
		132	# endif
		133	# else
		134	# undef EV_USE_IOURING
		135	# define EV_USE_IOURING 0
		136	# endif
		137
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	138	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	139	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	140	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123	# endif	141	# endif
124	# else	142	# else
…		…
159	# endif	177	# endif
160	# else	178	# else
161	# undef EV_USE_EVENTFD	179	# undef EV_USE_EVENTFD
162	# define EV_USE_EVENTFD 0	180	# define EV_USE_EVENTFD 0
163	# endif	181	# endif
164		182
165	#endif	183	#endif
		184
		185	/* OS X, in its infinite idiocy, actually HARDCODES
		186	* a limit of 1024 into their select. Where people have brains,
		187	* OS X engineers apparently have a vacuum. Or maybe they were
		188	* ordered to have a vacuum, or they do anything for money.
		189	* This might help. Or not.
		190	* Note that this must be defined early, as other include files
		191	* will rely on this define as well.
		192	*/
		193	#define _DARWIN_UNLIMITED_SELECT 1
166		194
167	#include <stdlib.h>	195	#include <stdlib.h>
168	#include <string.h>	196	#include <string.h>
169	#include <fcntl.h>	197	#include <fcntl.h>
170	#include <stddef.h>	198	#include <stddef.h>
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	236	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	237	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	238	# endif
211	# undef EV_AVOID_STDIO	239	# undef EV_AVOID_STDIO
212	#endif	240	#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		241
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	242	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		243
224	/* try to deduce the maximum number of signals on this platform */	244	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	245	#if defined EV_NSIG
…		…
256	# else	276	# else
257	# define EV_USE_CLOCK_SYSCALL 0	277	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	278	# endif
259	#endif	279	#endif
260		280
		281	#if !(_POSIX_TIMERS > 0)
		282	# ifndef EV_USE_MONOTONIC
		283	# define EV_USE_MONOTONIC 0
		284	# endif
		285	# ifndef EV_USE_REALTIME
		286	# define EV_USE_REALTIME 0
		287	# endif
		288	#endif
		289
261	#ifndef EV_USE_MONOTONIC	290	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	291	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	292	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	293	# else
265	# define EV_USE_MONOTONIC 0	294	# define EV_USE_MONOTONIC 0
…		…
304		333
305	#ifndef EV_USE_PORT	334	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	335	# define EV_USE_PORT 0
307	#endif	336	#endif
308		337
		338	#ifndef EV_USE_LINUXAIO
		339	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		340	# define EV_USE_LINUXAIO 1
		341	# else
		342	# define EV_USE_LINUXAIO 0
		343	# endif
		344	#endif
		345
		346	#ifndef EV_USE_IOURING
		347	# if __linux /* later checks might disable again */
		348	# define EV_USE_IOURING 1
		349	# else
		350	# define EV_USE_IOURING 0
		351	# endif
		352	#endif
		353
309	#ifndef EV_USE_INOTIFY	354	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	355	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	356	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	357	# else
313	# define EV_USE_INOTIFY 0	358	# define EV_USE_INOTIFY 0
…		…
354		399
355	#ifndef EV_HEAP_CACHE_AT	400	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	401	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	402	#endif
358		403
359	#ifdef ANDROID	404	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	405	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	406	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	407	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	408	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	409	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	423	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	424	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	425	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	426	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	427	# define EV_USE_MONOTONIC 1
		428	# define EV_NEED_SYSCALL 1
383	# else	429	# else
384	# undef EV_USE_CLOCK_SYSCALL	430	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	431	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	432	# endif
387	#endif	433	#endif
…		…
401	#if !EV_STAT_ENABLE	447	#if !EV_STAT_ENABLE
402	# undef EV_USE_INOTIFY	448	# undef EV_USE_INOTIFY
403	# define EV_USE_INOTIFY 0	449	# define EV_USE_INOTIFY 0
404	#endif	450	#endif
405		451
		452	#if __linux && EV_USE_IOURING
		453	# include <linux/version.h>
		454	# if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
		455	# undef EV_USE_IOURING
		456	# define EV_USE_IOURING 0
		457	# endif
		458	#endif
		459
406	#if !EV_USE_NANOSLEEP	460	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	461	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	462	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	463	# include <sys/select.h>
		464	# endif
		465	#endif
		466
		467	#if EV_USE_LINUXAIO
		468	# include <sys/syscall.h>
		469	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		470	# define EV_NEED_SYSCALL 1
		471	# else
		472	# undef EV_USE_LINUXAIO
		473	# define EV_USE_LINUXAIO 0
		474	# endif
		475	#endif
		476
		477	#if EV_USE_IOURING
		478	# include <sys/syscall.h>
		479	# if !SYS_io_uring_setup && __linux && !__alpha
		480	# define SYS_io_uring_setup 425
		481	# define SYS_io_uring_enter 426
		482	# define SYS_io_uring_wregister 427
		483	# endif
		484	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		485	# define EV_NEED_SYSCALL 1
		486	# else
		487	# undef EV_USE_IOURING
		488	# define EV_USE_IOURING 0
410	# endif	489	# endif
411	#endif	490	#endif
412		491
413	#if EV_USE_INOTIFY	492	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	493	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	535	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	536	char pad[128 - sizeof (uint32_t)];
458	};	537	};
459	#endif	538	#endif
460		539
461	/**/	540	/*****************************************************************************/
462		541
463	#if EV_VERIFY >= 3	542	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	543	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	544	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	545	# define EV_FREQUENT_CHECK do { } while (0)
…		…
471	* This value is good at least till the year 4000.	550	* This value is good at least till the year 4000.
472	*/	551	*/
473	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	552	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
474	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	553	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
475		554
476	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	555	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
477	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	556	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
478		557
		558	/* find a portable timestamp that is "always" in the future but fits into time_t.
		559	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		560	* and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
		561	#define EV_TSTAMP_HUGE \
		562	(sizeof (time_t) >= 8 ? 10000000000000. \
		563	: 0 < (time_t)4294967295 ? 4294967295. \
		564	: 2147483647.) \
		565
		566	#ifndef EV_TS_CONST
		567	# define EV_TS_CONST(nv) nv
		568	# define EV_TS_TO_MSEC(a) a * 1e3 + 0.9999
		569	# define EV_TS_FROM_USEC(us) us * 1e-6
479	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	570	# define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
480	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	571	# define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		572	# define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6)
		573	# define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9)
		574	#endif
481		575
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	576	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	577	/* ECB.H BEGIN */
484	/*	578	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	579	* libecb - http://software.schmorp.de/pkg/libecb
486	*	580	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	581	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	582	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	583	* All rights reserved.
490	*	584	*
491	* Redistribution and use in source and binary forms, with or without modifica-	585	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	586	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	600	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	601	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	602	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
509	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	603	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	604	* OF THE POSSIBILITY OF SUCH DAMAGE.
		605	*
		606	* Alternatively, the contents of this file may be used under the terms of
		607	* the GNU General Public License ("GPL") version 2 or any later version,
		608	* in which case the provisions of the GPL are applicable instead of
		609	* the above. If you wish to allow the use of your version of this file
		610	* only under the terms of the GPL and not to allow others to use your
		611	* version of this file under the BSD license, indicate your decision
		612	* by deleting the provisions above and replace them with the notice
		613	* and other provisions required by the GPL. If you do not delete the
		614	* provisions above, a recipient may use your version of this file under
		615	* either the BSD or the GPL.
511	*/	616	*/
512		617
513	#ifndef ECB_H	618	#ifndef ECB_H
514	#define ECB_H	619	#define ECB_H
515		620
516	/* 16 bits major, 16 bits minor */	621	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	622	#define ECB_VERSION 0x00010006
518		623
519	#ifdef _WIN32	624	#ifdef _WIN32
520	typedef signed char int8_t;	625	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	626	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	627	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	644	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	645	typedef int32_t intptr_t;
541	#endif	646	#endif
542	#else	647	#else
543	#include <inttypes.h>	648	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	649	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	650	#define ECB_PTRSIZE 8
546	#else	651	#else
547	#define ECB_PTRSIZE 4	652	#define ECB_PTRSIZE 4
548	#endif	653	#endif
549	#endif	654	#endif
550		655
		656	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		657	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		658
551	/* work around x32 idiocy by defining proper macros */	659	/* work around x32 idiocy by defining proper macros */
552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	660	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	661	#if _ILP32
554	#define ECB_AMD64_X32 1	662	#define ECB_AMD64_X32 1
555	#else	663	#else
556	#define ECB_AMD64 1	664	#define ECB_AMD64 1
557	#endif	665	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	670	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	671	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	672	* we try to detect these and simply assume they are not gcc - if they have
565	* an issue with that they should have done it right in the first place.	673	* an issue with that they should have done it right in the first place.
566	*/	674	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	675	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
569	#define ECB_GCC_VERSION(major,minor) 0	676	#define ECB_GCC_VERSION(major,minor) 0
570	#else	677	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	678	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	679	#endif
		680
		681	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		682
		683	#if __clang__ && defined __has_builtin
		684	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		685	#else
		686	#define ECB_CLANG_BUILTIN(x) 0
		687	#endif
		688
		689	#if __clang__ && defined __has_extension
		690	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		691	#else
		692	#define ECB_CLANG_EXTENSION(x) 0
573	#endif	693	#endif
574		694
575	#define ECB_CPP (__cplusplus+0)	695	#define ECB_CPP (__cplusplus+0)
576	#define ECB_CPP11 (__cplusplus >= 201103L)	696	#define ECB_CPP11 (__cplusplus >= 201103L)
		697	#define ECB_CPP14 (__cplusplus >= 201402L)
		698	#define ECB_CPP17 (__cplusplus >= 201703L)
577		699
578	#if ECB_CPP	700	#if ECB_CPP
579	#define ECB_C 0	701	#define ECB_C 0
580	#define ECB_STDC_VERSION 0	702	#define ECB_STDC_VERSION 0
581	#else	703	#else
…		…
583	#define ECB_STDC_VERSION __STDC_VERSION__	705	#define ECB_STDC_VERSION __STDC_VERSION__
584	#endif	706	#endif
585		707
586	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	708	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
587	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	709	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		710	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
588		711
589	#if ECB_CPP	712	#if ECB_CPP
590	#define ECB_EXTERN_C extern "C"	713	#define ECB_EXTERN_C extern "C"
591	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	714	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
592	#define ECB_EXTERN_C_END }	715	#define ECB_EXTERN_C_END }
…		…
607		730
608	#if ECB_NO_SMP	731	#if ECB_NO_SMP
609	#define ECB_MEMORY_FENCE do { } while (0)	732	#define ECB_MEMORY_FENCE do { } while (0)
610	#endif	733	#endif
611		734
		735	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		736	#if __xlC__ && ECB_CPP
		737	#include <builtins.h>
		738	#endif
		739
		740	#if 1400 <= _MSC_VER
		741	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		742	#endif
		743
612	#ifndef ECB_MEMORY_FENCE	744	#ifndef ECB_MEMORY_FENCE
613	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	745	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		746	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
614	#if __i386 || __i386__	747	#if __i386 || __i386__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
616	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	749	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
617	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	750	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
618	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	751	#elif ECB_GCC_AMD64
619	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
620	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	753	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
621	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	754	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
622	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	755	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	756	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		757	#elif defined __ARM_ARCH_2__ \
		758	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		759	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		760	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		761	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		762	|| defined __ARM_ARCH_5TEJ__
		763	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
624	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	764	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
625	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	765	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		766	|| defined __ARM_ARCH_6T2__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	767	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
627	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	768	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
628	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	769	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
629	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	770	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
630	#elif __aarch64__	771	#elif __aarch64__
631	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	772	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
632	#elif (__sparc || __sparc__) && !__sparcv8	773	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	774	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
634	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	775	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
635	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	776	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
636	#elif defined __s390__ || defined __s390x__	777	#elif defined __s390__ || defined __s390x__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	778	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
660	#if ECB_GCC_VERSION(4,7)	801	#if ECB_GCC_VERSION(4,7)
661	/* see comment below (stdatomic.h) about the C11 memory model. */	802	/* see comment below (stdatomic.h) about the C11 memory model. */
662	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	803	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
663	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	804	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
664	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	805	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		806	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
665		807
666	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	808	#elif ECB_CLANG_EXTENSION(c_atomic)
667	* without risking compile time errors with other compilers. We *could*
668	* define our own ecb_clang_has_feature, but I just can't be bothered to work
669	* around this shit time and again.
670	* #elif defined __clang && __has_feature (cxx_atomic)
671	* // see comment below (stdatomic.h) about the C11 memory model.	809	/* see comment below (stdatomic.h) about the C11 memory model. */
672	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	810	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
673	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	811	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
674	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	812	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
675	*/	813	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
676		814
677	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	815	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
678	#define ECB_MEMORY_FENCE __sync_synchronize ()	816	#define ECB_MEMORY_FENCE __sync_synchronize ()
679	#elif _MSC_VER >= 1500 /* VC++ 2008 */	817	#elif _MSC_VER >= 1500 /* VC++ 2008 */
680	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	818	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
690	#elif defined _WIN32	828	#elif defined _WIN32
691	#include <WinNT.h>	829	#include <WinNT.h>
692	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	830	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
693	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	831	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
694	#include <mbarrier.h>	832	#include <mbarrier.h>
695	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	833	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
696	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	834	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
697	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	835	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		836	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
698	#elif __xlC__	837	#elif __xlC__
699	#define ECB_MEMORY_FENCE __sync ()	838	#define ECB_MEMORY_FENCE __sync ()
700	#endif	839	#endif
701	#endif	840	#endif
702		841
703	#ifndef ECB_MEMORY_FENCE	842	#ifndef ECB_MEMORY_FENCE
704	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	843	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
705	/* we assume that these memory fences work on all variables/all memory accesses, */	844	/* we assume that these memory fences work on all variables/all memory accesses, */
706	/* not just C11 atomics and atomic accesses */	845	/* not just C11 atomics and atomic accesses */
707	#include <stdatomic.h>	846	#include <stdatomic.h>
708	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
709	/* any fence other than seq_cst, which isn't very efficient for us. */
710	/* Why that is, we don't know - either the C11 memory model is quite useless */
711	/* for most usages, or gcc and clang have a bug */
712	/* I *currently* lean towards the latter, and inefficiently implement */
713	/* all three of ecb's fences as a seq_cst fence */
714	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
715	/* for all __atomic_thread_fence's except seq_cst */
716	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	847	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		848	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		849	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
717	#endif	850	#endif
718	#endif	851	#endif
719		852
720	#ifndef ECB_MEMORY_FENCE	853	#ifndef ECB_MEMORY_FENCE
721	#if !ECB_AVOID_PTHREADS	854	#if !ECB_AVOID_PTHREADS
…		…
741		874
742	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	875	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
743	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	876	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
744	#endif	877	#endif
745		878
		879	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		880	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		881	#endif
		882
746	/*****************************************************************************/	883	/*****************************************************************************/
747		884
748	#if __cplusplus	885	#if ECB_CPP
749	#define ecb_inline static inline	886	#define ecb_inline static inline
750	#elif ECB_GCC_VERSION(2,5)	887	#elif ECB_GCC_VERSION(2,5)
751	#define ecb_inline static __inline__	888	#define ecb_inline static __inline__
752	#elif ECB_C99	889	#elif ECB_C99
753	#define ecb_inline static inline	890	#define ecb_inline static inline
…		…
767		904
768	#define ECB_CONCAT_(a, b) a ## b	905	#define ECB_CONCAT_(a, b) a ## b
769	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	906	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
770	#define ECB_STRINGIFY_(a) # a	907	#define ECB_STRINGIFY_(a) # a
771	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	908	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		909	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
772		910
773	#define ecb_function_ ecb_inline	911	#define ecb_function_ ecb_inline
774		912
775	#if ECB_GCC_VERSION(3,1)	913	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
776	#define ecb_attribute(attrlist) __attribute__(attrlist)	914	#define ecb_attribute(attrlist) __attribute__ (attrlist)
777	#define ecb_is_constant(expr) __builtin_constant_p (expr)
778	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
779	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
780	#else	915	#else
781	#define ecb_attribute(attrlist)	916	#define ecb_attribute(attrlist)
		917	#endif
782		918
		919	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		920	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		921	#else
783	/* possible C11 impl for integral types	922	/* possible C11 impl for integral types
784	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	923	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
785	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	924	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
786		925
787	#define ecb_is_constant(expr) 0	926	#define ecb_is_constant(expr) 0
		927	#endif
		928
		929	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		930	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		931	#else
788	#define ecb_expect(expr,value) (expr)	932	#define ecb_expect(expr,value) (expr)
		933	#endif
		934
		935	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		936	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		937	#else
789	#define ecb_prefetch(addr,rw,locality)	938	#define ecb_prefetch(addr,rw,locality)
790	#endif	939	#endif
791		940
792	/* no emulation for ecb_decltype */	941	/* no emulation for ecb_decltype */
793	#if ECB_GCC_VERSION(4,5)	942	#if ECB_CPP11
		943	// older implementations might have problems with decltype(x)::type, work around it
		944	template<class T> struct ecb_decltype_t { typedef T type; };
794	#define ecb_decltype(x) __decltype(x)	945	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
795	#elif ECB_GCC_VERSION(3,0)	946	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
796	#define ecb_decltype(x) __typeof(x)	947	#define ecb_decltype(x) __typeof__ (x)
797	#endif	948	#endif
798		949
		950	#if _MSC_VER >= 1300
		951	#define ecb_deprecated __declspec (deprecated)
		952	#else
		953	#define ecb_deprecated ecb_attribute ((__deprecated__))
		954	#endif
		955
		956	#if _MSC_VER >= 1500
		957	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		958	#elif ECB_GCC_VERSION(4,5)
		959	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		960	#else
		961	#define ecb_deprecated_message(msg) ecb_deprecated
		962	#endif
		963
		964	#if _MSC_VER >= 1400
		965	#define ecb_noinline __declspec (noinline)
		966	#else
799	#define ecb_noinline ecb_attribute ((__noinline__))	967	#define ecb_noinline ecb_attribute ((__noinline__))
		968	#endif
		969
800	#define ecb_unused ecb_attribute ((__unused__))	970	#define ecb_unused ecb_attribute ((__unused__))
801	#define ecb_const ecb_attribute ((__const__))	971	#define ecb_const ecb_attribute ((__const__))
802	#define ecb_pure ecb_attribute ((__pure__))	972	#define ecb_pure ecb_attribute ((__pure__))
803		973
804	#if ECB_C11	974	#if ECB_C11 || __IBMC_NORETURN
		975	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
805	#define ecb_noreturn _Noreturn	976	#define ecb_noreturn _Noreturn
		977	#elif ECB_CPP11
		978	#define ecb_noreturn [[noreturn]]
		979	#elif _MSC_VER >= 1200
		980	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		981	#define ecb_noreturn __declspec (noreturn)
806	#else	982	#else
807	#define ecb_noreturn ecb_attribute ((__noreturn__))	983	#define ecb_noreturn ecb_attribute ((__noreturn__))
808	#endif	984	#endif
809		985
810	#if ECB_GCC_VERSION(4,3)	986	#if ECB_GCC_VERSION(4,3)
…		…
825	/* for compatibility to the rest of the world */	1001	/* for compatibility to the rest of the world */
826	#define ecb_likely(expr) ecb_expect_true (expr)	1002	#define ecb_likely(expr) ecb_expect_true (expr)
827	#define ecb_unlikely(expr) ecb_expect_false (expr)	1003	#define ecb_unlikely(expr) ecb_expect_false (expr)
828		1004
829	/* count trailing zero bits and count # of one bits */	1005	/* count trailing zero bits and count # of one bits */
830	#if ECB_GCC_VERSION(3,4)	1006	#if ECB_GCC_VERSION(3,4) \
		1007	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		1008	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		1009	&& ECB_CLANG_BUILTIN(__builtin_popcount))
831	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	1010	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
832	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	1011	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
833	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	1012	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
834	#define ecb_ctz32(x) __builtin_ctz (x)	1013	#define ecb_ctz32(x) __builtin_ctz (x)
835	#define ecb_ctz64(x) __builtin_ctzll (x)	1014	#define ecb_ctz64(x) __builtin_ctzll (x)
836	#define ecb_popcount32(x) __builtin_popcount (x)	1015	#define ecb_popcount32(x) __builtin_popcount (x)
837	/* no popcountll */	1016	/* no popcountll */
838	#else	1017	#else
839	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
840	ecb_function_ int	1019	ecb_function_ ecb_const int
841	ecb_ctz32 (uint32_t x)	1020	ecb_ctz32 (uint32_t x)
842	{	1021	{
		1022	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1023	unsigned long r;
		1024	_BitScanForward (&r, x);
		1025	return (int)r;
		1026	#else
843	int r = 0;	1027	int r = 0;
844		1028
845	x &= ~x + 1; /* this isolates the lowest bit */	1029	x &= ~x + 1; /* this isolates the lowest bit */
846		1030
847	#if ECB_branchless_on_i386	1031	#if ECB_branchless_on_i386
…		…
857	if (x & 0xff00ff00) r += 8;	1041	if (x & 0xff00ff00) r += 8;
858	if (x & 0xffff0000) r += 16;	1042	if (x & 0xffff0000) r += 16;
859	#endif	1043	#endif
860		1044
861	return r;	1045	return r;
		1046	#endif
862	}	1047	}
863		1048
864	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1049	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
865	ecb_function_ int	1050	ecb_function_ ecb_const int
866	ecb_ctz64 (uint64_t x)	1051	ecb_ctz64 (uint64_t x)
867	{	1052	{
		1053	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1054	unsigned long r;
		1055	_BitScanForward64 (&r, x);
		1056	return (int)r;
		1057	#else
868	int shift = x & 0xffffffffU ? 0 : 32;	1058	int shift = x & 0xffffffff ? 0 : 32;
869	return ecb_ctz32 (x >> shift) + shift;	1059	return ecb_ctz32 (x >> shift) + shift;
		1060	#endif
870	}	1061	}
871		1062
872	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1063	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
873	ecb_function_ int	1064	ecb_function_ ecb_const int
874	ecb_popcount32 (uint32_t x)	1065	ecb_popcount32 (uint32_t x)
875	{	1066	{
876	x -= (x >> 1) & 0x55555555;	1067	x -= (x >> 1) & 0x55555555;
877	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1068	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
878	x = ((x >> 4) + x) & 0x0f0f0f0f;	1069	x = ((x >> 4) + x) & 0x0f0f0f0f;
879	x *= 0x01010101;	1070	x *= 0x01010101;
880		1071
881	return x >> 24;	1072	return x >> 24;
882	}	1073	}
883		1074
884	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1075	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
885	ecb_function_ int ecb_ld32 (uint32_t x)	1076	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
886	{	1077	{
		1078	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1079	unsigned long r;
		1080	_BitScanReverse (&r, x);
		1081	return (int)r;
		1082	#else
887	int r = 0;	1083	int r = 0;
888		1084
889	if (x >> 16) { x >>= 16; r += 16; }	1085	if (x >> 16) { x >>= 16; r += 16; }
890	if (x >> 8) { x >>= 8; r += 8; }	1086	if (x >> 8) { x >>= 8; r += 8; }
891	if (x >> 4) { x >>= 4; r += 4; }	1087	if (x >> 4) { x >>= 4; r += 4; }
892	if (x >> 2) { x >>= 2; r += 2; }	1088	if (x >> 2) { x >>= 2; r += 2; }
893	if (x >> 1) { r += 1; }	1089	if (x >> 1) { r += 1; }
894		1090
895	return r;	1091	return r;
		1092	#endif
896	}	1093	}
897		1094
898	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1095	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
899	ecb_function_ int ecb_ld64 (uint64_t x)	1096	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
900	{	1097	{
		1098	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1099	unsigned long r;
		1100	_BitScanReverse64 (&r, x);
		1101	return (int)r;
		1102	#else
901	int r = 0;	1103	int r = 0;
902		1104
903	if (x >> 32) { x >>= 32; r += 32; }	1105	if (x >> 32) { x >>= 32; r += 32; }
904		1106
905	return r + ecb_ld32 (x);	1107	return r + ecb_ld32 (x);
		1108	#endif
906	}	1109	}
907	#endif	1110	#endif
908		1111
909	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1112	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
910	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1113	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
911	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1114	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
912	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1115	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
913		1116
914	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1117	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
915	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1118	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
916	{	1119	{
917	return ( (x * 0x0802U & 0x22110U)	1120	return ( (x * 0x0802U & 0x22110U)
918	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1121	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
919	}	1122	}
920		1123
921	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1124	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
922	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1125	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
923	{	1126	{
924	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1127	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
925	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1128	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
926	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1129	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
927	x = ( x >> 8 ) | ( x << 8);	1130	x = ( x >> 8 ) | ( x << 8);
928		1131
929	return x;	1132	return x;
930	}	1133	}
931		1134
932	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1135	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
933	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1136	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
934	{	1137	{
935	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1138	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
936	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1139	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
937	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1140	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
938	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1141	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
941	return x;	1144	return x;
942	}	1145	}
943		1146
944	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1147	/* popcount64 is only available on 64 bit cpus as gcc builtin */
945	/* so for this version we are lazy */	1148	/* so for this version we are lazy */
946	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1149	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
947	ecb_function_ int	1150	ecb_function_ ecb_const int
948	ecb_popcount64 (uint64_t x)	1151	ecb_popcount64 (uint64_t x)
949	{	1152	{
950	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1153	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
951	}	1154	}
952		1155
953	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1156	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
954	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1157	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
955	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1158	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
956	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1159	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
957	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1160	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
958	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1161	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
959	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1162	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
960	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1163	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
961		1164
962	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1165	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
963	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1166	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
964	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1167	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
965	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1168	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
966	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1169	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
967	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1170	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
968	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1171	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
969	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1172	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
970		1173
971	#if ECB_GCC_VERSION(4,3)	1174	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1175	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1176	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1177	#else
972	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1178	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1179	#endif
973	#define ecb_bswap32(x) __builtin_bswap32 (x)	1180	#define ecb_bswap32(x) __builtin_bswap32 (x)
974	#define ecb_bswap64(x) __builtin_bswap64 (x)	1181	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1182	#elif _MSC_VER
		1183	#include <stdlib.h>
		1184	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1185	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1186	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
975	#else	1187	#else
976	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1188	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
977	ecb_function_ uint16_t	1189	ecb_function_ ecb_const uint16_t
978	ecb_bswap16 (uint16_t x)	1190	ecb_bswap16 (uint16_t x)
979	{	1191	{
980	return ecb_rotl16 (x, 8);	1192	return ecb_rotl16 (x, 8);
981	}	1193	}
982		1194
983	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1195	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
984	ecb_function_ uint32_t	1196	ecb_function_ ecb_const uint32_t
985	ecb_bswap32 (uint32_t x)	1197	ecb_bswap32 (uint32_t x)
986	{	1198	{
987	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1199	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
988	}	1200	}
989		1201
990	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1202	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
991	ecb_function_ uint64_t	1203	ecb_function_ ecb_const uint64_t
992	ecb_bswap64 (uint64_t x)	1204	ecb_bswap64 (uint64_t x)
993	{	1205	{
994	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1206	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
995	}	1207	}
996	#endif	1208	#endif
997		1209
998	#if ECB_GCC_VERSION(4,5)	1210	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
999	#define ecb_unreachable() __builtin_unreachable ()	1211	#define ecb_unreachable() __builtin_unreachable ()
1000	#else	1212	#else
1001	/* this seems to work fine, but gcc always emits a warning for it :/ */	1213	/* this seems to work fine, but gcc always emits a warning for it :/ */
1002	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1214	ecb_inline ecb_noreturn void ecb_unreachable (void);
1003	ecb_inline void ecb_unreachable (void) { }	1215	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1004	#endif	1216	#endif
1005		1217
1006	/* try to tell the compiler that some condition is definitely true */	1218	/* try to tell the compiler that some condition is definitely true */
1007	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1219	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1008		1220
1009	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1221	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1010	ecb_inline unsigned char	1222	ecb_inline ecb_const uint32_t
1011	ecb_byteorder_helper (void)	1223	ecb_byteorder_helper (void)
1012	{	1224	{
1013	/* the union code still generates code under pressure in gcc, */	1225	/* the union code still generates code under pressure in gcc, */
1014	/* but less than using pointers, and always seems to */	1226	/* but less than using pointers, and always seems to */
1015	/* successfully return a constant. */	1227	/* successfully return a constant. */
1016	/* the reason why we have this horrible preprocessor mess */	1228	/* the reason why we have this horrible preprocessor mess */
1017	/* is to avoid it in all cases, at least on common architectures */	1229	/* is to avoid it in all cases, at least on common architectures */
1018	/* or when using a recent enough gcc version (>= 4.6) */	1230	/* or when using a recent enough gcc version (>= 4.6) */
1019	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1020	return 0x44;
1021	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1231	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1232	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1233	#define ECB_LITTLE_ENDIAN 1
1022	return 0x44;	1234	return 0x44332211;
1023	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1235	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1236	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1237	#define ECB_BIG_ENDIAN 1
1024	return 0x11;	1238	return 0x11223344;
1025	#else	1239	#else
1026	union	1240	union
1027	{	1241	{
		1242	uint8_t c[4];
1028	uint32_t i;	1243	uint32_t u;
1029	uint8_t c;
1030	} u = { 0x11223344 };	1244	} u = { 0x11, 0x22, 0x33, 0x44 };
1031	return u.c;	1245	return u.u;
1032	#endif	1246	#endif
1033	}	1247	}
1034		1248
1035	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1249	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1036	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1250	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1037	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1251	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1038	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1252	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1039		1253
1040	#if ECB_GCC_VERSION(3,0) || ECB_C99	1254	#if ECB_GCC_VERSION(3,0) || ECB_C99
1041	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1255	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1042	#else	1256	#else
1043	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1257	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1044	#endif	1258	#endif
1045		1259
1046	#if __cplusplus	1260	#if ECB_CPP
1047	template<typename T>	1261	template<typename T>
1048	static inline T ecb_div_rd (T val, T div)	1262	static inline T ecb_div_rd (T val, T div)
1049	{	1263	{
1050	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1264	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1051	}	1265	}
…		…
1068	}	1282	}
1069	#else	1283	#else
1070	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1284	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1071	#endif	1285	#endif
1072		1286
		1287	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1288	ecb_function_ ecb_const uint32_t
		1289	ecb_binary16_to_binary32 (uint32_t x)
		1290	{
		1291	unsigned int s = (x & 0x8000) << (31 - 15);
		1292	int e = (x >> 10) & 0x001f;
		1293	unsigned int m = x & 0x03ff;
		1294
		1295	if (ecb_expect_false (e == 31))
		1296	/* infinity or NaN */
		1297	e = 255 - (127 - 15);
		1298	else if (ecb_expect_false (!e))
		1299	{
		1300	if (ecb_expect_true (!m))
		1301	/* zero, handled by code below by forcing e to 0 */
		1302	e = 0 - (127 - 15);
		1303	else
		1304	{
		1305	/* subnormal, renormalise */
		1306	unsigned int s = 10 - ecb_ld32 (m);
		1307
		1308	m = (m << s) & 0x3ff; /* mask implicit bit */
		1309	e -= s - 1;
		1310	}
		1311	}
		1312
		1313	/* e and m now are normalised, or zero, (or inf or nan) */
		1314	e += 127 - 15;
		1315
		1316	return s | (e << 23) | (m << (23 - 10));
		1317	}
		1318
		1319	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1320	ecb_function_ ecb_const uint16_t
		1321	ecb_binary32_to_binary16 (uint32_t x)
		1322	{
		1323	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1324	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1325	unsigned int m = x & 0x007fffff;
		1326
		1327	x &= 0x7fffffff;
		1328
		1329	/* if it's within range of binary16 normals, use fast path */
		1330	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1331	{
		1332	/* mantissa round-to-even */
		1333	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1334
		1335	/* handle overflow */
		1336	if (ecb_expect_false (m >= 0x00800000))
		1337	{
		1338	m >>= 1;
		1339	e += 1;
		1340	}
		1341
		1342	return s | (e << 10) | (m >> (23 - 10));
		1343	}
		1344
		1345	/* handle large numbers and infinity */
		1346	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1347	return s | 0x7c00;
		1348
		1349	/* handle zero, subnormals and small numbers */
		1350	if (ecb_expect_true (x < 0x38800000))
		1351	{
		1352	/* zero */
		1353	if (ecb_expect_true (!x))
		1354	return s;
		1355
		1356	/* handle subnormals */
		1357
		1358	/* too small, will be zero */
		1359	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1360	return s;
		1361
		1362	m |= 0x00800000; /* make implicit bit explicit */
		1363
		1364	/* very tricky - we need to round to the nearest e (+10) bit value */
		1365	{
		1366	unsigned int bits = 14 - e;
		1367	unsigned int half = (1 << (bits - 1)) - 1;
		1368	unsigned int even = (m >> bits) & 1;
		1369
		1370	/* if this overflows, we will end up with a normalised number */
		1371	m = (m + half + even) >> bits;
		1372	}
		1373
		1374	return s | m;
		1375	}
		1376
		1377	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1378	m >>= 13;
		1379
		1380	return s | 0x7c00 | m | !m;
		1381	}
		1382
1073	/*******************************************************************************/	1383	/*******************************************************************************/
1074	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1384	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1075		1385
1076	/* basically, everything uses "ieee pure-endian" floating point numbers */	1386	/* basically, everything uses "ieee pure-endian" floating point numbers */
1077	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1387	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1078	#if 0 \	1388	#if 0 \
1079	|| __i386 || __i386__ \	1389	|| __i386 || __i386__ \
1080	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1390	|| ECB_GCC_AMD64 \
1081	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1391	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1082	|| defined __arm__ && defined __ARM_EABI__ \
1083	|| defined __s390__ || defined __s390x__ \	1392	|| defined __s390__ || defined __s390x__ \
1084	|| defined __mips__ \	1393	|| defined __mips__ \
1085	|| defined __alpha__ \	1394	|| defined __alpha__ \
1086	|| defined __hppa__ \	1395	|| defined __hppa__ \
1087	|| defined __ia64__ \	1396	|| defined __ia64__ \
1088	|| defined __m68k__ \	1397	|| defined __m68k__ \
1089	|| defined __m88k__ \	1398	|| defined __m88k__ \
1090	|| defined __sh__ \	1399	|| defined __sh__ \
1091	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1400	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1092	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__))	1401	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1402	|| defined __aarch64__
1093	#define ECB_STDFP 1	1403	#define ECB_STDFP 1
1094	#include <string.h> /* for memcpy */	1404	#include <string.h> /* for memcpy */
1095	#else	1405	#else
1096	#define ECB_STDFP 0	1406	#define ECB_STDFP 0
1097	#endif	1407	#endif
…		…
1111	#define ECB_NAN NAN	1421	#define ECB_NAN NAN
1112	#else	1422	#else
1113	#define ECB_NAN ECB_INFINITY	1423	#define ECB_NAN ECB_INFINITY
1114	#endif	1424	#endif
1115		1425
1116	/* converts an ieee half/binary16 to a float */	1426	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1117	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1427	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1118	ecb_function_ float	1428	#define ecb_frexpf(x,e) frexpf ((x), (e))
1119	ecb_binary16_to_float (uint16_t x)	1429	#else
1120	{	1430	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1121	int e = (x >> 10) & 0x1f;	1431	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1122	int m = x & 0x3ff;	1432	#endif
1123	float r;
1124
1125	if (!e ) r = ldexpf (m , -24);
1126	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1127	else if (m ) r = ECB_NAN;
1128	else r = ECB_INFINITY;
1129
1130	return x & 0x8000 ? -r : r;
1131	}
1132		1433
1133	/* convert a float to ieee single/binary32 */	1434	/* convert a float to ieee single/binary32 */
1134	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1435	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1135	ecb_function_ uint32_t	1436	ecb_function_ ecb_const uint32_t
1136	ecb_float_to_binary32 (float x)	1437	ecb_float_to_binary32 (float x)
1137	{	1438	{
1138	uint32_t r;	1439	uint32_t r;
1139		1440
1140	#if ECB_STDFP	1441	#if ECB_STDFP
…		…
1147	if (x == 0e0f ) return 0x00000000U;	1448	if (x == 0e0f ) return 0x00000000U;
1148	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1449	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1149	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1450	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1150	if (x != x ) return 0x7fbfffffU;	1451	if (x != x ) return 0x7fbfffffU;
1151		1452
1152	m = frexpf (x, &e) * 0x1000000U;	1453	m = ecb_frexpf (x, &e) * 0x1000000U;
1153		1454
1154	r = m & 0x80000000U;	1455	r = m & 0x80000000U;
1155		1456
1156	if (r)	1457	if (r)
1157	m = -m;	1458	m = -m;
…		…
1169		1470
1170	return r;	1471	return r;
1171	}	1472	}
1172		1473
1173	/* converts an ieee single/binary32 to a float */	1474	/* converts an ieee single/binary32 to a float */
1174	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1475	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1175	ecb_function_ float	1476	ecb_function_ ecb_const float
1176	ecb_binary32_to_float (uint32_t x)	1477	ecb_binary32_to_float (uint32_t x)
1177	{	1478	{
1178	float r;	1479	float r;
1179		1480
1180	#if ECB_STDFP	1481	#if ECB_STDFP
…		…
1190	x |= 0x800000U;	1491	x |= 0x800000U;
1191	else	1492	else
1192	e = 1;	1493	e = 1;
1193		1494
1194	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1495	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1195	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1496	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1196		1497
1197	r = neg ? -r : r;	1498	r = neg ? -r : r;
1198	#endif	1499	#endif
1199		1500
1200	return r;	1501	return r;
1201	}	1502	}
1202		1503
1203	/* convert a double to ieee double/binary64 */	1504	/* convert a double to ieee double/binary64 */
1204	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1505	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1205	ecb_function_ uint64_t	1506	ecb_function_ ecb_const uint64_t
1206	ecb_double_to_binary64 (double x)	1507	ecb_double_to_binary64 (double x)
1207	{	1508	{
1208	uint64_t r;	1509	uint64_t r;
1209		1510
1210	#if ECB_STDFP	1511	#if ECB_STDFP
…		…
1239		1540
1240	return r;	1541	return r;
1241	}	1542	}
1242		1543
1243	/* converts an ieee double/binary64 to a double */	1544	/* converts an ieee double/binary64 to a double */
1244	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1545	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1245	ecb_function_ double	1546	ecb_function_ ecb_const double
1246	ecb_binary64_to_double (uint64_t x)	1547	ecb_binary64_to_double (uint64_t x)
1247	{	1548	{
1248	double r;	1549	double r;
1249		1550
1250	#if ECB_STDFP	1551	#if ECB_STDFP
…		…
1268	#endif	1569	#endif
1269		1570
1270	return r;	1571	return r;
1271	}	1572	}
1272		1573
		1574	/* convert a float to ieee half/binary16 */
		1575	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1576	ecb_function_ ecb_const uint16_t
		1577	ecb_float_to_binary16 (float x)
		1578	{
		1579	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1580	}
		1581
		1582	/* convert an ieee half/binary16 to float */
		1583	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1584	ecb_function_ ecb_const float
		1585	ecb_binary16_to_float (uint16_t x)
		1586	{
		1587	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1588	}
		1589
1273	#endif	1590	#endif
1274		1591
1275	#endif	1592	#endif
1276		1593
1277	/* ECB.H END */	1594	/* ECB.H END */
1278		1595
1279	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1596	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1280	/* if your architecture doesn't need memory fences, e.g. because it is	1597	/* if your architecture doesn't need memory fences, e.g. because it is
1281	* single-cpu/core, or if you use libev in a project that doesn't use libev	1598	* single-cpu/core, or if you use libev in a project that doesn't use libev
1282	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1599	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1283	* libev, in which cases the memory fences become nops.	1600	* libev, in which cases the memory fences become nops.
1284	* alternatively, you can remove this #error and link against libpthread,	1601	* alternatively, you can remove this #error and link against libpthread,
1285	* which will then provide the memory fences.	1602	* which will then provide the memory fences.
1286	*/	1603	*/
1287	# error "memory fences not defined for your architecture, please report"	1604	# error "memory fences not defined for your architecture, please report"
…		…
1291	# define ECB_MEMORY_FENCE do { } while (0)	1608	# define ECB_MEMORY_FENCE do { } while (0)
1292	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1609	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1293	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1610	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1294	#endif	1611	#endif
1295		1612
1296	#define expect_false(cond) ecb_expect_false (cond)
1297	#define expect_true(cond) ecb_expect_true (cond)
1298	#define noinline ecb_noinline
1299
1300	#define inline_size ecb_inline	1613	#define inline_size ecb_inline
1301		1614
1302	#if EV_FEATURE_CODE	1615	#if EV_FEATURE_CODE
1303	# define inline_speed ecb_inline	1616	# define inline_speed ecb_inline
1304	#else	1617	#else
1305	# define inline_speed static noinline	1618	# define inline_speed ecb_noinline static
1306	#endif	1619	#endif
		1620
		1621	/*****************************************************************************/
		1622	/* raw syscall wrappers */
		1623
		1624	#if EV_NEED_SYSCALL
		1625
		1626	#include <sys/syscall.h>
		1627
		1628	/*
		1629	* define some syscall wrappers for common architectures
		1630	* this is mostly for nice looks during debugging, not performance.
		1631	* our syscalls return < 0, not == -1, on error. which is good
		1632	* enough for linux aio.
		1633	* TODO: arm is also common nowadays, maybe even mips and x86
		1634	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1635	*/
		1636	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1637	/* the costly errno access probably kills this for size optimisation */
		1638
		1639	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1640	({ \
		1641	long res; \
		1642	register unsigned long r6 __asm__ ("r9" ); \
		1643	register unsigned long r5 __asm__ ("r8" ); \
		1644	register unsigned long r4 __asm__ ("r10"); \
		1645	register unsigned long r3 __asm__ ("rdx"); \
		1646	register unsigned long r2 __asm__ ("rsi"); \
		1647	register unsigned long r1 __asm__ ("rdi"); \
		1648	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1649	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1650	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1651	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1652	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1653	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1654	__asm__ __volatile__ ( \
		1655	"syscall\n\t" \
		1656	: "=a" (res) \
		1657	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1658	: "cc", "r11", "cx", "memory"); \
		1659	errno = -res; \
		1660	res; \
		1661	})
		1662
		1663	#endif
		1664
		1665	#ifdef ev_syscall
		1666	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1667	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1668	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1669	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1670	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1671	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1672	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1673	#else
		1674	#define ev_syscall0(nr) syscall (nr)
		1675	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1676	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1677	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1678	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1679	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1680	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1681	#endif
		1682
		1683	#endif
		1684
		1685	/*****************************************************************************/
1307		1686
1308	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1687	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1309		1688
1310	#if EV_MINPRI == EV_MAXPRI	1689	#if EV_MINPRI == EV_MAXPRI
1311	# define ABSPRI(w) (((W)w), 0)	1690	# define ABSPRI(w) (((W)w), 0)
1312	#else	1691	#else
1313	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1692	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1314	#endif	1693	#endif
1315		1694
1316	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1695	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1317	#define EMPTY2(a,b) /* used to suppress some warnings */
1318		1696
1319	typedef ev_watcher *W;	1697	typedef ev_watcher *W;
1320	typedef ev_watcher_list *WL;	1698	typedef ev_watcher_list *WL;
1321	typedef ev_watcher_time *WT;	1699	typedef ev_watcher_time *WT;
1322		1700
…		…
1347	# include "ev_win32.c"	1725	# include "ev_win32.c"
1348	#endif	1726	#endif
1349		1727
1350	/*****************************************************************************/	1728	/*****************************************************************************/
1351		1729
		1730	#if EV_USE_LINUXAIO
		1731	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1732	#endif
		1733
1352	/* define a suitable floor function (only used by periodics atm) */	1734	/* define a suitable floor function (only used by periodics atm) */
1353		1735
1354	#if EV_USE_FLOOR	1736	#if EV_USE_FLOOR
1355	# include <math.h>	1737	# include <math.h>
1356	# define ev_floor(v) floor (v)	1738	# define ev_floor(v) floor (v)
1357	#else	1739	#else
1358		1740
1359	#include <float.h>	1741	#include <float.h>
1360		1742
1361	/* a floor() replacement function, should be independent of ev_tstamp type */	1743	/* a floor() replacement function, should be independent of ev_tstamp type */
		1744	ecb_noinline
1362	static ev_tstamp noinline	1745	static ev_tstamp
1363	ev_floor (ev_tstamp v)	1746	ev_floor (ev_tstamp v)
1364	{	1747	{
1365	/* the choice of shift factor is not terribly important */	1748	/* the choice of shift factor is not terribly important */
1366	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1749	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1367	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1750	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1368	#else	1751	#else
1369	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1752	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1370	#endif	1753	#endif
1371		1754
		1755	/* special treatment for negative arguments */
		1756	if (ecb_expect_false (v < 0.))
		1757	{
		1758	ev_tstamp f = -ev_floor (-v);
		1759
		1760	return f - (f == v ? 0 : 1);
		1761	}
		1762
1372	/* argument too large for an unsigned long? */	1763	/* argument too large for an unsigned long? then reduce it */
1373	if (expect_false (v >= shift))	1764	if (ecb_expect_false (v >= shift))
1374	{	1765	{
1375	ev_tstamp f;	1766	ev_tstamp f;
1376		1767
1377	if (v == v - 1.)	1768	if (v == v - 1.)
1378	return v; /* very large number */	1769	return v; /* very large numbers are assumed to be integer */
1379		1770
1380	f = shift * ev_floor (v * (1. / shift));	1771	f = shift * ev_floor (v * (1. / shift));
1381	return f + ev_floor (v - f);	1772	return f + ev_floor (v - f);
1382	}	1773	}
1383		1774
1384	/* special treatment for negative args? */
1385	if (expect_false (v < 0.))
1386	{
1387	ev_tstamp f = -ev_floor (-v);
1388
1389	return f - (f == v ? 0 : 1);
1390	}
1391
1392	/* fits into an unsigned long */	1775	/* fits into an unsigned long */
1393	return (unsigned long)v;	1776	return (unsigned long)v;
1394	}	1777	}
1395		1778
1396	#endif	1779	#endif
…		…
1399		1782
1400	#ifdef __linux	1783	#ifdef __linux
1401	# include <sys/utsname.h>	1784	# include <sys/utsname.h>
1402	#endif	1785	#endif
1403		1786
1404	static unsigned int noinline ecb_cold	1787	ecb_noinline ecb_cold
		1788	static unsigned int
1405	ev_linux_version (void)	1789	ev_linux_version (void)
1406	{	1790	{
1407	#ifdef __linux	1791	#ifdef __linux
1408	unsigned int v = 0;	1792	unsigned int v = 0;
1409	struct utsname buf;	1793	struct utsname buf;
…		…
1438	}	1822	}
1439		1823
1440	/*****************************************************************************/	1824	/*****************************************************************************/
1441		1825
1442	#if EV_AVOID_STDIO	1826	#if EV_AVOID_STDIO
1443	static void noinline ecb_cold	1827	ecb_noinline ecb_cold
		1828	static void
1444	ev_printerr (const char *msg)	1829	ev_printerr (const char *msg)
1445	{	1830	{
1446	write (STDERR_FILENO, msg, strlen (msg));	1831	write (STDERR_FILENO, msg, strlen (msg));
1447	}	1832	}
1448	#endif	1833	#endif
1449		1834
1450	static void (*syserr_cb)(const char *msg) EV_THROW;	1835	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1451		1836
1452	void ecb_cold	1837	ecb_cold
		1838	void
1453	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1839	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1454	{	1840	{
1455	syserr_cb = cb;	1841	syserr_cb = cb;
1456	}	1842	}
1457		1843
1458	static void noinline ecb_cold	1844	ecb_noinline ecb_cold
		1845	static void
1459	ev_syserr (const char *msg)	1846	ev_syserr (const char *msg)
1460	{	1847	{
1461	if (!msg)	1848	if (!msg)
1462	msg = "(libev) system error";	1849	msg = "(libev) system error";
1463		1850
…		…
1476	abort ();	1863	abort ();
1477	}	1864	}
1478	}	1865	}
1479		1866
1480	static void *	1867	static void *
1481	ev_realloc_emul (void *ptr, long size) EV_THROW	1868	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1482	{	1869	{
1483	/* some systems, notably openbsd and darwin, fail to properly	1870	/* some systems, notably openbsd and darwin, fail to properly
1484	* implement realloc (x, 0) (as required by both ansi c-89 and	1871	* implement realloc (x, 0) (as required by both ansi c-89 and
1485	* the single unix specification, so work around them here.	1872	* the single unix specification, so work around them here.
1486	* recently, also (at least) fedora and debian started breaking it,	1873	* recently, also (at least) fedora and debian started breaking it,
…		…
1492		1879
1493	free (ptr);	1880	free (ptr);
1494	return 0;	1881	return 0;
1495	}	1882	}
1496		1883
1497	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1884	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1498		1885
1499	void ecb_cold	1886	ecb_cold
		1887	void
1500	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1888	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1501	{	1889	{
1502	alloc = cb;	1890	alloc = cb;
1503	}	1891	}
1504		1892
1505	inline_speed void *	1893	inline_speed void *
…		…
1532	typedef struct	1920	typedef struct
1533	{	1921	{
1534	WL head;	1922	WL head;
1535	unsigned char events; /* the events watched for */	1923	unsigned char events; /* the events watched for */
1536	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1924	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1537	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1925	unsigned char emask; /* some backends store the actual kernel mask in here */
1538	unsigned char unused;	1926	unsigned char eflags; /* flags field for use by backends */
1539	#if EV_USE_EPOLL	1927	#if EV_USE_EPOLL
1540	unsigned int egen; /* generation counter to counter epoll bugs */	1928	unsigned int egen; /* generation counter to counter epoll bugs */
1541	#endif	1929	#endif
1542	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1930	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1543	SOCKET handle;	1931	SOCKET handle;
…		…
1597	static struct ev_loop default_loop_struct;	1985	static struct ev_loop default_loop_struct;
1598	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */	1986	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1599		1987
1600	#else	1988	#else
1601		1989
1602	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */	1990	EV_API_DECL ev_tstamp ev_rt_now = EV_TS_CONST (0.); /* needs to be initialised to make it a definition despite extern */
1603	#define VAR(name,decl) static decl;	1991	#define VAR(name,decl) static decl;
1604	#include "ev_vars.h"	1992	#include "ev_vars.h"
1605	#undef VAR	1993	#undef VAR
1606		1994
1607	static int ev_default_loop_ptr;	1995	static int ev_default_loop_ptr;
1608		1996
1609	#endif	1997	#endif
1610		1998
1611	#if EV_FEATURE_API	1999	#if EV_FEATURE_API
1612	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	2000	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1613	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	2001	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1614	# define EV_INVOKE_PENDING invoke_cb (EV_A)	2002	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1615	#else	2003	#else
1616	# define EV_RELEASE_CB (void)0	2004	# define EV_RELEASE_CB (void)0
1617	# define EV_ACQUIRE_CB (void)0	2005	# define EV_ACQUIRE_CB (void)0
1618	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	2006	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1622		2010
1623	/*****************************************************************************/	2011	/*****************************************************************************/
1624		2012
1625	#ifndef EV_HAVE_EV_TIME	2013	#ifndef EV_HAVE_EV_TIME
1626	ev_tstamp	2014	ev_tstamp
1627	ev_time (void) EV_THROW	2015	ev_time (void) EV_NOEXCEPT
1628	{	2016	{
1629	#if EV_USE_REALTIME	2017	#if EV_USE_REALTIME
1630	if (expect_true (have_realtime))	2018	if (ecb_expect_true (have_realtime))
1631	{	2019	{
1632	struct timespec ts;	2020	struct timespec ts;
1633	clock_gettime (CLOCK_REALTIME, &ts);	2021	clock_gettime (CLOCK_REALTIME, &ts);
1634	return ts.tv_sec + ts.tv_nsec * 1e-9;	2022	return EV_TS_GET (ts);
1635	}	2023	}
1636	#endif	2024	#endif
1637		2025
		2026	{
1638	struct timeval tv;	2027	struct timeval tv;
1639	gettimeofday (&tv, 0);	2028	gettimeofday (&tv, 0);
1640	return tv.tv_sec + tv.tv_usec * 1e-6;	2029	return EV_TV_GET (tv);
		2030	}
1641	}	2031	}
1642	#endif	2032	#endif
1643		2033
1644	inline_size ev_tstamp	2034	inline_size ev_tstamp
1645	get_clock (void)	2035	get_clock (void)
1646	{	2036	{
1647	#if EV_USE_MONOTONIC	2037	#if EV_USE_MONOTONIC
1648	if (expect_true (have_monotonic))	2038	if (ecb_expect_true (have_monotonic))
1649	{	2039	{
1650	struct timespec ts;	2040	struct timespec ts;
1651	clock_gettime (CLOCK_MONOTONIC, &ts);	2041	clock_gettime (CLOCK_MONOTONIC, &ts);
1652	return ts.tv_sec + ts.tv_nsec * 1e-9;	2042	return EV_TS_GET (ts);
1653	}	2043	}
1654	#endif	2044	#endif
1655		2045
1656	return ev_time ();	2046	return ev_time ();
1657	}	2047	}
1658		2048
1659	#if EV_MULTIPLICITY	2049	#if EV_MULTIPLICITY
1660	ev_tstamp	2050	ev_tstamp
1661	ev_now (EV_P) EV_THROW	2051	ev_now (EV_P) EV_NOEXCEPT
1662	{	2052	{
1663	return ev_rt_now;	2053	return ev_rt_now;
1664	}	2054	}
1665	#endif	2055	#endif
1666		2056
1667	void	2057	void
1668	ev_sleep (ev_tstamp delay) EV_THROW	2058	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1669	{	2059	{
1670	if (delay > 0.)	2060	if (delay > EV_TS_CONST (0.))
1671	{	2061	{
1672	#if EV_USE_NANOSLEEP	2062	#if EV_USE_NANOSLEEP
1673	struct timespec ts;	2063	struct timespec ts;
1674		2064
1675	EV_TS_SET (ts, delay);	2065	EV_TS_SET (ts, delay);
1676	nanosleep (&ts, 0);	2066	nanosleep (&ts, 0);
1677	#elif defined _WIN32	2067	#elif defined _WIN32
		2068	/* maybe this should round up, as ms is very low resolution */
		2069	/* compared to select (µs) or nanosleep (ns) */
1678	Sleep ((unsigned long)(delay * 1e3));	2070	Sleep ((unsigned long)(EV_TS_TO_MSEC (delay)));
1679	#else	2071	#else
1680	struct timeval tv;	2072	struct timeval tv;
1681		2073
1682	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2074	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1683	/* something not guaranteed by newer posix versions, but guaranteed */	2075	/* something not guaranteed by newer posix versions, but guaranteed */
…		…
1713	}	2105	}
1714		2106
1715	return ncur;	2107	return ncur;
1716	}	2108	}
1717		2109
1718	static void * noinline ecb_cold	2110	ecb_noinline ecb_cold
		2111	static void *
1719	array_realloc (int elem, void *base, int *cur, int cnt)	2112	array_realloc (int elem, void *base, int *cur, int cnt)
1720	{	2113	{
1721	*cur = array_nextsize (elem, *cur, cnt);	2114	*cur = array_nextsize (elem, *cur, cnt);
1722	return ev_realloc (base, elem * *cur);	2115	return ev_realloc (base, elem * *cur);
1723	}	2116	}
1724		2117
		2118	#define array_needsize_noinit(base,offset,count)
		2119
1725	#define array_init_zero(base,count) \	2120	#define array_needsize_zerofill(base,offset,count) \
1726	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2121	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1727		2122
1728	#define array_needsize(type,base,cur,cnt,init) \	2123	#define array_needsize(type,base,cur,cnt,init) \
1729	if (expect_false ((cnt) > (cur))) \	2124	if (ecb_expect_false ((cnt) > (cur))) \
1730	{ \	2125	{ \
1731	int ecb_unused ocur_ = (cur); \	2126	ecb_unused int ocur_ = (cur); \
1732	(base) = (type *)array_realloc \	2127	(base) = (type *)array_realloc \
1733	(sizeof (type), (base), &(cur), (cnt)); \	2128	(sizeof (type), (base), &(cur), (cnt)); \
1734	init ((base) + (ocur_), (cur) - ocur_); \	2129	init ((base), ocur_, ((cur) - ocur_)); \
1735	}	2130	}
1736		2131
1737	#if 0	2132	#if 0
1738	#define array_slim(type,stem) \	2133	#define array_slim(type,stem) \
1739	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2134	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1748	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2143	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1749		2144
1750	/*****************************************************************************/	2145	/*****************************************************************************/
1751		2146
1752	/* dummy callback for pending events */	2147	/* dummy callback for pending events */
1753	static void noinline	2148	ecb_noinline
		2149	static void
1754	pendingcb (EV_P_ ev_prepare *w, int revents)	2150	pendingcb (EV_P_ ev_prepare *w, int revents)
1755	{	2151	{
1756	}	2152	}
1757		2153
1758	void noinline	2154	ecb_noinline
		2155	void
1759	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2156	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1760	{	2157	{
1761	W w_ = (W)w;	2158	W w_ = (W)w;
1762	int pri = ABSPRI (w_);	2159	int pri = ABSPRI (w_);
1763		2160
1764	if (expect_false (w_->pending))	2161	if (ecb_expect_false (w_->pending))
1765	pendings [pri][w_->pending - 1].events |= revents;	2162	pendings [pri][w_->pending - 1].events |= revents;
1766	else	2163	else
1767	{	2164	{
1768	w_->pending = ++pendingcnt [pri];	2165	w_->pending = ++pendingcnt [pri];
1769	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2166	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1770	pendings [pri][w_->pending - 1].w = w_;	2167	pendings [pri][w_->pending - 1].w = w_;
1771	pendings [pri][w_->pending - 1].events = revents;	2168	pendings [pri][w_->pending - 1].events = revents;
1772	}	2169	}
1773		2170
1774	pendingpri = NUMPRI - 1;	2171	pendingpri = NUMPRI - 1;
1775	}	2172	}
1776		2173
1777	inline_speed void	2174	inline_speed void
1778	feed_reverse (EV_P_ W w)	2175	feed_reverse (EV_P_ W w)
1779	{	2176	{
1780	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2177	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1781	rfeeds [rfeedcnt++] = w;	2178	rfeeds [rfeedcnt++] = w;
1782	}	2179	}
1783		2180
1784	inline_size void	2181	inline_size void
1785	feed_reverse_done (EV_P_ int revents)	2182	feed_reverse_done (EV_P_ int revents)
…		…
1820	inline_speed void	2217	inline_speed void
1821	fd_event (EV_P_ int fd, int revents)	2218	fd_event (EV_P_ int fd, int revents)
1822	{	2219	{
1823	ANFD *anfd = anfds + fd;	2220	ANFD *anfd = anfds + fd;
1824		2221
1825	if (expect_true (!anfd->reify))	2222	if (ecb_expect_true (!anfd->reify))
1826	fd_event_nocheck (EV_A_ fd, revents);	2223	fd_event_nocheck (EV_A_ fd, revents);
1827	}	2224	}
1828		2225
1829	void	2226	void
1830	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2227	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1831	{	2228	{
1832	if (fd >= 0 && fd < anfdmax)	2229	if (fd >= 0 && fd < anfdmax)
1833	fd_event_nocheck (EV_A_ fd, revents);	2230	fd_event_nocheck (EV_A_ fd, revents);
1834	}	2231	}
1835		2232
…		…
1872	ev_io *w;	2269	ev_io *w;
1873		2270
1874	unsigned char o_events = anfd->events;	2271	unsigned char o_events = anfd->events;
1875	unsigned char o_reify = anfd->reify;	2272	unsigned char o_reify = anfd->reify;
1876		2273
1877	anfd->reify = 0;	2274	anfd->reify = 0;
1878		2275
1879	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2276	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1880	{	2277	{
1881	anfd->events = 0;	2278	anfd->events = 0;
1882		2279
1883	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2280	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1884	anfd->events |= (unsigned char)w->events;	2281	anfd->events |= (unsigned char)w->events;
…		…
1893		2290
1894	fdchangecnt = 0;	2291	fdchangecnt = 0;
1895	}	2292	}
1896		2293
1897	/* something about the given fd changed */	2294	/* something about the given fd changed */
1898	inline_size void	2295	inline_size
		2296	void
1899	fd_change (EV_P_ int fd, int flags)	2297	fd_change (EV_P_ int fd, int flags)
1900	{	2298	{
1901	unsigned char reify = anfds [fd].reify;	2299	unsigned char reify = anfds [fd].reify;
1902	anfds [fd].reify |= flags;	2300	anfds [fd].reify |= flags;
1903		2301
1904	if (expect_true (!reify))	2302	if (ecb_expect_true (!reify))
1905	{	2303	{
1906	++fdchangecnt;	2304	++fdchangecnt;
1907	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2305	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1908	fdchanges [fdchangecnt - 1] = fd;	2306	fdchanges [fdchangecnt - 1] = fd;
1909	}	2307	}
1910	}	2308	}
1911		2309
1912	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2310	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1913	inline_speed void ecb_cold	2311	inline_speed ecb_cold void
1914	fd_kill (EV_P_ int fd)	2312	fd_kill (EV_P_ int fd)
1915	{	2313	{
1916	ev_io *w;	2314	ev_io *w;
1917		2315
1918	while ((w = (ev_io *)anfds [fd].head))	2316	while ((w = (ev_io *)anfds [fd].head))
…		…
1921	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2319	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1922	}	2320	}
1923	}	2321	}
1924		2322
1925	/* check whether the given fd is actually valid, for error recovery */	2323	/* check whether the given fd is actually valid, for error recovery */
1926	inline_size int ecb_cold	2324	inline_size ecb_cold int
1927	fd_valid (int fd)	2325	fd_valid (int fd)
1928	{	2326	{
1929	#ifdef _WIN32	2327	#ifdef _WIN32
1930	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2328	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1931	#else	2329	#else
1932	return fcntl (fd, F_GETFD) != -1;	2330	return fcntl (fd, F_GETFD) != -1;
1933	#endif	2331	#endif
1934	}	2332	}
1935		2333
1936	/* called on EBADF to verify fds */	2334	/* called on EBADF to verify fds */
1937	static void noinline ecb_cold	2335	ecb_noinline ecb_cold
		2336	static void
1938	fd_ebadf (EV_P)	2337	fd_ebadf (EV_P)
1939	{	2338	{
1940	int fd;	2339	int fd;
1941		2340
1942	for (fd = 0; fd < anfdmax; ++fd)	2341	for (fd = 0; fd < anfdmax; ++fd)
…		…
1944	if (!fd_valid (fd) && errno == EBADF)	2343	if (!fd_valid (fd) && errno == EBADF)
1945	fd_kill (EV_A_ fd);	2344	fd_kill (EV_A_ fd);
1946	}	2345	}
1947		2346
1948	/* called on ENOMEM in select/poll to kill some fds and retry */	2347	/* called on ENOMEM in select/poll to kill some fds and retry */
1949	static void noinline ecb_cold	2348	ecb_noinline ecb_cold
		2349	static void
1950	fd_enomem (EV_P)	2350	fd_enomem (EV_P)
1951	{	2351	{
1952	int fd;	2352	int fd;
1953		2353
1954	for (fd = anfdmax; fd--; )	2354	for (fd = anfdmax; fd--; )
…		…
1958	break;	2358	break;
1959	}	2359	}
1960	}	2360	}
1961		2361
1962	/* usually called after fork if backend needs to re-arm all fds from scratch */	2362	/* usually called after fork if backend needs to re-arm all fds from scratch */
1963	static void noinline	2363	ecb_noinline
		2364	static void
1964	fd_rearm_all (EV_P)	2365	fd_rearm_all (EV_P)
1965	{	2366	{
1966	int fd;	2367	int fd;
1967		2368
1968	for (fd = 0; fd < anfdmax; ++fd)	2369	for (fd = 0; fd < anfdmax; ++fd)
…		…
2021	ev_tstamp minat;	2422	ev_tstamp minat;
2022	ANHE *minpos;	2423	ANHE *minpos;
2023	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2424	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2024		2425
2025	/* find minimum child */	2426	/* find minimum child */
2026	if (expect_true (pos + DHEAP - 1 < E))	2427	if (ecb_expect_true (pos + DHEAP - 1 < E))
2027	{	2428	{
2028	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2429	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2029	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2430	if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2030	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2431	if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2031	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2432	if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2032	}	2433	}
2033	else if (pos < E)	2434	else if (pos < E)
2034	{	2435	{
2035	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2436	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2036	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2437	if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2037	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2438	if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2038	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2439	if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2039	}	2440	}
2040	else	2441	else
2041	break;	2442	break;
2042		2443
2043	if (ANHE_at (he) <= minat)	2444	if (ANHE_at (he) <= minat)
…		…
2051		2452
2052	heap [k] = he;	2453	heap [k] = he;
2053	ev_active (ANHE_w (he)) = k;	2454	ev_active (ANHE_w (he)) = k;
2054	}	2455	}
2055		2456
2056	#else /* 4HEAP */	2457	#else /* not 4HEAP */
2057		2458
2058	#define HEAP0 1	2459	#define HEAP0 1
2059	#define HPARENT(k) ((k) >> 1)	2460	#define HPARENT(k) ((k) >> 1)
2060	#define UPHEAP_DONE(p,k) (!(p))	2461	#define UPHEAP_DONE(p,k) (!(p))
2061		2462
…		…
2149		2550
2150	/*****************************************************************************/	2551	/*****************************************************************************/
2151		2552
2152	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2553	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2153		2554
2154	static void noinline ecb_cold	2555	ecb_noinline ecb_cold
		2556	static void
2155	evpipe_init (EV_P)	2557	evpipe_init (EV_P)
2156	{	2558	{
2157	if (!ev_is_active (&pipe_w))	2559	if (!ev_is_active (&pipe_w))
2158	{	2560	{
2159	int fds [2];	2561	int fds [2];
…		…
2199	inline_speed void	2601	inline_speed void
2200	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2602	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2201	{	2603	{
2202	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2604	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2203		2605
2204	if (expect_true (*flag))	2606	if (ecb_expect_true (*flag))
2205	return;	2607	return;
2206		2608
2207	*flag = 1;	2609	*flag = 1;
2208	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2610	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2209		2611
…		…
2230	#endif	2632	#endif
2231	{	2633	{
2232	#ifdef _WIN32	2634	#ifdef _WIN32
2233	WSABUF buf;	2635	WSABUF buf;
2234	DWORD sent;	2636	DWORD sent;
2235	buf.buf = &buf;	2637	buf.buf = (char *)&buf;
2236	buf.len = 1;	2638	buf.len = 1;
2237	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2639	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2238	#else	2640	#else
2239	write (evpipe [1], &(evpipe [1]), 1);	2641	write (evpipe [1], &(evpipe [1]), 1);
2240	#endif	2642	#endif
…		…
2286	sig_pending = 0;	2688	sig_pending = 0;
2287		2689
2288	ECB_MEMORY_FENCE;	2690	ECB_MEMORY_FENCE;
2289		2691
2290	for (i = EV_NSIG - 1; i--; )	2692	for (i = EV_NSIG - 1; i--; )
2291	if (expect_false (signals [i].pending))	2693	if (ecb_expect_false (signals [i].pending))
2292	ev_feed_signal_event (EV_A_ i + 1);	2694	ev_feed_signal_event (EV_A_ i + 1);
2293	}	2695	}
2294	#endif	2696	#endif
2295		2697
2296	#if EV_ASYNC_ENABLE	2698	#if EV_ASYNC_ENABLE
…		…
2312	}	2714	}
2313		2715
2314	/*****************************************************************************/	2716	/*****************************************************************************/
2315		2717
2316	void	2718	void
2317	ev_feed_signal (int signum) EV_THROW	2719	ev_feed_signal (int signum) EV_NOEXCEPT
2318	{	2720	{
2319	#if EV_MULTIPLICITY	2721	#if EV_MULTIPLICITY
2320	EV_P;	2722	EV_P;
2321	ECB_MEMORY_FENCE_ACQUIRE;	2723	ECB_MEMORY_FENCE_ACQUIRE;
2322	EV_A = signals [signum - 1].loop;	2724	EV_A = signals [signum - 1].loop;
…		…
2337	#endif	2739	#endif
2338		2740
2339	ev_feed_signal (signum);	2741	ev_feed_signal (signum);
2340	}	2742	}
2341		2743
2342	void noinline	2744	ecb_noinline
		2745	void
2343	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2746	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2344	{	2747	{
2345	WL w;	2748	WL w;
2346		2749
2347	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2750	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2348	return;	2751	return;
2349		2752
2350	--signum;	2753	--signum;
2351		2754
2352	#if EV_MULTIPLICITY	2755	#if EV_MULTIPLICITY
2353	/* it is permissible to try to feed a signal to the wrong loop */	2756	/* it is permissible to try to feed a signal to the wrong loop */
2354	/* or, likely more useful, feeding a signal nobody is waiting for */	2757	/* or, likely more useful, feeding a signal nobody is waiting for */
2355		2758
2356	if (expect_false (signals [signum].loop != EV_A))	2759	if (ecb_expect_false (signals [signum].loop != EV_A))
2357	return;	2760	return;
2358	#endif	2761	#endif
2359		2762
2360	signals [signum].pending = 0;	2763	signals [signum].pending = 0;
2361	ECB_MEMORY_FENCE_RELEASE;	2764	ECB_MEMORY_FENCE_RELEASE;
…		…
2457	# include "ev_kqueue.c"	2860	# include "ev_kqueue.c"
2458	#endif	2861	#endif
2459	#if EV_USE_EPOLL	2862	#if EV_USE_EPOLL
2460	# include "ev_epoll.c"	2863	# include "ev_epoll.c"
2461	#endif	2864	#endif
		2865	#if EV_USE_LINUXAIO
		2866	# include "ev_linuxaio.c"
		2867	#endif
		2868	#if EV_USE_IOURING
		2869	# include "ev_iouring.c"
		2870	#endif
2462	#if EV_USE_POLL	2871	#if EV_USE_POLL
2463	# include "ev_poll.c"	2872	# include "ev_poll.c"
2464	#endif	2873	#endif
2465	#if EV_USE_SELECT	2874	#if EV_USE_SELECT
2466	# include "ev_select.c"	2875	# include "ev_select.c"
2467	#endif	2876	#endif
2468		2877
2469	int ecb_cold	2878	ecb_cold int
2470	ev_version_major (void) EV_THROW	2879	ev_version_major (void) EV_NOEXCEPT
2471	{	2880	{
2472	return EV_VERSION_MAJOR;	2881	return EV_VERSION_MAJOR;
2473	}	2882	}
2474		2883
2475	int ecb_cold	2884	ecb_cold int
2476	ev_version_minor (void) EV_THROW	2885	ev_version_minor (void) EV_NOEXCEPT
2477	{	2886	{
2478	return EV_VERSION_MINOR;	2887	return EV_VERSION_MINOR;
2479	}	2888	}
2480		2889
2481	/* return true if we are running with elevated privileges and should ignore env variables */	2890	/* return true if we are running with elevated privileges and should ignore env variables */
2482	int inline_size ecb_cold	2891	inline_size ecb_cold int
2483	enable_secure (void)	2892	enable_secure (void)
2484	{	2893	{
2485	#ifdef _WIN32	2894	#ifdef _WIN32
2486	return 0;	2895	return 0;
2487	#else	2896	#else
2488	return getuid () != geteuid ()	2897	return getuid () != geteuid ()
2489	|| getgid () != getegid ();	2898	|| getgid () != getegid ();
2490	#endif	2899	#endif
2491	}	2900	}
2492		2901
2493	unsigned int ecb_cold	2902	ecb_cold
		2903	unsigned int
2494	ev_supported_backends (void) EV_THROW	2904	ev_supported_backends (void) EV_NOEXCEPT
2495	{	2905	{
2496	unsigned int flags = 0;	2906	unsigned int flags = 0;
2497		2907
2498	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2908	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2499	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2909	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2500	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2910	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2911	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2912	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2501	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2913	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2502	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2914	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2503		2915
2504	return flags;	2916	return flags;
2505	}	2917	}
2506		2918
2507	unsigned int ecb_cold	2919	ecb_cold
		2920	unsigned int
2508	ev_recommended_backends (void) EV_THROW	2921	ev_recommended_backends (void) EV_NOEXCEPT
2509	{	2922	{
2510	unsigned int flags = ev_supported_backends ();	2923	unsigned int flags = ev_supported_backends ();
2511		2924
2512	#ifndef __NetBSD__	2925	#ifndef __NetBSD__
2513	/* kqueue is borked on everything but netbsd apparently */	2926	/* kqueue is borked on everything but netbsd apparently */
…		…
2521	#endif	2934	#endif
2522	#ifdef __FreeBSD__	2935	#ifdef __FreeBSD__
2523	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2936	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2524	#endif	2937	#endif
2525		2938
		2939	/* TODO: linuxaio is very experimental */
		2940	#if !EV_RECOMMEND_LINUXAIO
		2941	flags &= ~EVBACKEND_LINUXAIO;
		2942	#endif
		2943	/* TODO: linuxaio is super experimental */
		2944	#if !EV_RECOMMEND_IOURING
		2945	flags &= ~EVBACKEND_IOURING;
		2946	#endif
		2947
2526	return flags;	2948	return flags;
2527	}	2949	}
2528		2950
2529	unsigned int ecb_cold	2951	ecb_cold
		2952	unsigned int
2530	ev_embeddable_backends (void) EV_THROW	2953	ev_embeddable_backends (void) EV_NOEXCEPT
2531	{	2954	{
2532	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2955	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2533		2956
2534	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2957	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2535	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2958	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2536	flags &= ~EVBACKEND_EPOLL;	2959	flags &= ~EVBACKEND_EPOLL;
2537		2960
		2961	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2962
		2963	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2964	* because our backend_fd is the epoll fd we need as fallback.
		2965	* if the kernel ever is fixed, this might change...
		2966	*/
		2967
2538	return flags;	2968	return flags;
2539	}	2969	}
2540		2970
2541	unsigned int	2971	unsigned int
2542	ev_backend (EV_P) EV_THROW	2972	ev_backend (EV_P) EV_NOEXCEPT
2543	{	2973	{
2544	return backend;	2974	return backend;
2545	}	2975	}
2546		2976
2547	#if EV_FEATURE_API	2977	#if EV_FEATURE_API
2548	unsigned int	2978	unsigned int
2549	ev_iteration (EV_P) EV_THROW	2979	ev_iteration (EV_P) EV_NOEXCEPT
2550	{	2980	{
2551	return loop_count;	2981	return loop_count;
2552	}	2982	}
2553		2983
2554	unsigned int	2984	unsigned int
2555	ev_depth (EV_P) EV_THROW	2985	ev_depth (EV_P) EV_NOEXCEPT
2556	{	2986	{
2557	return loop_depth;	2987	return loop_depth;
2558	}	2988	}
2559		2989
2560	void	2990	void
2561	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2991	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2562	{	2992	{
2563	io_blocktime = interval;	2993	io_blocktime = interval;
2564	}	2994	}
2565		2995
2566	void	2996	void
2567	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2997	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2568	{	2998	{
2569	timeout_blocktime = interval;	2999	timeout_blocktime = interval;
2570	}	3000	}
2571		3001
2572	void	3002	void
2573	ev_set_userdata (EV_P_ void *data) EV_THROW	3003	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2574	{	3004	{
2575	userdata = data;	3005	userdata = data;
2576	}	3006	}
2577		3007
2578	void *	3008	void *
2579	ev_userdata (EV_P) EV_THROW	3009	ev_userdata (EV_P) EV_NOEXCEPT
2580	{	3010	{
2581	return userdata;	3011	return userdata;
2582	}	3012	}
2583		3013
2584	void	3014	void
2585	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	3015	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2586	{	3016	{
2587	invoke_cb = invoke_pending_cb;	3017	invoke_cb = invoke_pending_cb;
2588	}	3018	}
2589		3019
2590	void	3020	void
2591	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	3021	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2592	{	3022	{
2593	release_cb = release;	3023	release_cb = release;
2594	acquire_cb = acquire;	3024	acquire_cb = acquire;
2595	}	3025	}
2596	#endif	3026	#endif
2597		3027
2598	/* initialise a loop structure, must be zero-initialised */	3028	/* initialise a loop structure, must be zero-initialised */
2599	static void noinline ecb_cold	3029	ecb_noinline ecb_cold
		3030	static void
2600	loop_init (EV_P_ unsigned int flags) EV_THROW	3031	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2601	{	3032	{
2602	if (!backend)	3033	if (!backend)
2603	{	3034	{
2604	origflags = flags;	3035	origflags = flags;
2605		3036
…		…
2663		3094
2664	if (!(flags & EVBACKEND_MASK))	3095	if (!(flags & EVBACKEND_MASK))
2665	flags |= ev_recommended_backends ();	3096	flags |= ev_recommended_backends ();
2666		3097
2667	#if EV_USE_IOCP	3098	#if EV_USE_IOCP
2668	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3099	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2669	#endif	3100	#endif
2670	#if EV_USE_PORT	3101	#if EV_USE_PORT
2671	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3102	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2672	#endif	3103	#endif
2673	#if EV_USE_KQUEUE	3104	#if EV_USE_KQUEUE
2674	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3105	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3106	#endif
		3107	#if EV_USE_IOURING
		3108	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3109	#endif
		3110	#if EV_USE_LINUXAIO
		3111	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2675	#endif	3112	#endif
2676	#if EV_USE_EPOLL	3113	#if EV_USE_EPOLL
2677	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3114	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2678	#endif	3115	#endif
2679	#if EV_USE_POLL	3116	#if EV_USE_POLL
2680	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3117	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2681	#endif	3118	#endif
2682	#if EV_USE_SELECT	3119	#if EV_USE_SELECT
2683	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3120	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2684	#endif	3121	#endif
2685		3122
2686	ev_prepare_init (&pending_w, pendingcb);	3123	ev_prepare_init (&pending_w, pendingcb);
2687		3124
2688	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3125	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2691	#endif	3128	#endif
2692	}	3129	}
2693	}	3130	}
2694		3131
2695	/* free up a loop structure */	3132	/* free up a loop structure */
2696	void ecb_cold	3133	ecb_cold
		3134	void
2697	ev_loop_destroy (EV_P)	3135	ev_loop_destroy (EV_P)
2698	{	3136	{
2699	int i;	3137	int i;
2700		3138
2701	#if EV_MULTIPLICITY	3139	#if EV_MULTIPLICITY
…		…
2704	return;	3142	return;
2705	#endif	3143	#endif
2706		3144
2707	#if EV_CLEANUP_ENABLE	3145	#if EV_CLEANUP_ENABLE
2708	/* queue cleanup watchers (and execute them) */	3146	/* queue cleanup watchers (and execute them) */
2709	if (expect_false (cleanupcnt))	3147	if (ecb_expect_false (cleanupcnt))
2710	{	3148	{
2711	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3149	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2712	EV_INVOKE_PENDING;	3150	EV_INVOKE_PENDING;
2713	}	3151	}
2714	#endif	3152	#endif
…		…
2742		3180
2743	if (backend_fd >= 0)	3181	if (backend_fd >= 0)
2744	close (backend_fd);	3182	close (backend_fd);
2745		3183
2746	#if EV_USE_IOCP	3184	#if EV_USE_IOCP
2747	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3185	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2748	#endif	3186	#endif
2749	#if EV_USE_PORT	3187	#if EV_USE_PORT
2750	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3188	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2751	#endif	3189	#endif
2752	#if EV_USE_KQUEUE	3190	#if EV_USE_KQUEUE
2753	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3191	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3192	#endif
		3193	#if EV_USE_IOURING
		3194	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3195	#endif
		3196	#if EV_USE_LINUXAIO
		3197	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2754	#endif	3198	#endif
2755	#if EV_USE_EPOLL	3199	#if EV_USE_EPOLL
2756	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3200	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2757	#endif	3201	#endif
2758	#if EV_USE_POLL	3202	#if EV_USE_POLL
2759	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3203	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2760	#endif	3204	#endif
2761	#if EV_USE_SELECT	3205	#if EV_USE_SELECT
2762	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3206	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2763	#endif	3207	#endif
2764		3208
2765	for (i = NUMPRI; i--; )	3209	for (i = NUMPRI; i--; )
2766	{	3210	{
2767	array_free (pending, [i]);	3211	array_free (pending, [i]);
…		…
2809		3253
2810	inline_size void	3254	inline_size void
2811	loop_fork (EV_P)	3255	loop_fork (EV_P)
2812	{	3256	{
2813	#if EV_USE_PORT	3257	#if EV_USE_PORT
2814	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3258	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2815	#endif	3259	#endif
2816	#if EV_USE_KQUEUE	3260	#if EV_USE_KQUEUE
2817	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3261	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3262	#endif
		3263	#if EV_USE_IOURING
		3264	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3265	#endif
		3266	#if EV_USE_LINUXAIO
		3267	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2818	#endif	3268	#endif
2819	#if EV_USE_EPOLL	3269	#if EV_USE_EPOLL
2820	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3270	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2821	#endif	3271	#endif
2822	#if EV_USE_INOTIFY	3272	#if EV_USE_INOTIFY
2823	infy_fork (EV_A);	3273	infy_fork (EV_A);
2824	#endif	3274	#endif
2825		3275
2826	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3276	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2827	if (ev_is_active (&pipe_w))	3277	if (ev_is_active (&pipe_w) && postfork != 2)
2828	{	3278	{
2829	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3279	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2830		3280
2831	ev_ref (EV_A);	3281	ev_ref (EV_A);
2832	ev_io_stop (EV_A_ &pipe_w);	3282	ev_io_stop (EV_A_ &pipe_w);
…		…
2843	postfork = 0;	3293	postfork = 0;
2844	}	3294	}
2845		3295
2846	#if EV_MULTIPLICITY	3296	#if EV_MULTIPLICITY
2847		3297
		3298	ecb_cold
2848	struct ev_loop * ecb_cold	3299	struct ev_loop *
2849	ev_loop_new (unsigned int flags) EV_THROW	3300	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2850	{	3301	{
2851	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3302	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2852		3303
2853	memset (EV_A, 0, sizeof (struct ev_loop));	3304	memset (EV_A, 0, sizeof (struct ev_loop));
2854	loop_init (EV_A_ flags);	3305	loop_init (EV_A_ flags);
…		…
2861	}	3312	}
2862		3313
2863	#endif /* multiplicity */	3314	#endif /* multiplicity */
2864		3315
2865	#if EV_VERIFY	3316	#if EV_VERIFY
2866	static void noinline ecb_cold	3317	ecb_noinline ecb_cold
		3318	static void
2867	verify_watcher (EV_P_ W w)	3319	verify_watcher (EV_P_ W w)
2868	{	3320	{
2869	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3321	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2870		3322
2871	if (w->pending)	3323	if (w->pending)
2872	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3324	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2873	}	3325	}
2874		3326
2875	static void noinline ecb_cold	3327	ecb_noinline ecb_cold
		3328	static void
2876	verify_heap (EV_P_ ANHE *heap, int N)	3329	verify_heap (EV_P_ ANHE *heap, int N)
2877	{	3330	{
2878	int i;	3331	int i;
2879		3332
2880	for (i = HEAP0; i < N + HEAP0; ++i)	3333	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2885		3338
2886	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3339	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2887	}	3340	}
2888	}	3341	}
2889		3342
2890	static void noinline ecb_cold	3343	ecb_noinline ecb_cold
		3344	static void
2891	array_verify (EV_P_ W *ws, int cnt)	3345	array_verify (EV_P_ W *ws, int cnt)
2892	{	3346	{
2893	while (cnt--)	3347	while (cnt--)
2894	{	3348	{
2895	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3349	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2898	}	3352	}
2899	#endif	3353	#endif
2900		3354
2901	#if EV_FEATURE_API	3355	#if EV_FEATURE_API
2902	void ecb_cold	3356	void ecb_cold
2903	ev_verify (EV_P) EV_THROW	3357	ev_verify (EV_P) EV_NOEXCEPT
2904	{	3358	{
2905	#if EV_VERIFY	3359	#if EV_VERIFY
2906	int i;	3360	int i;
2907	WL w, w2;	3361	WL w, w2;
2908		3362
…		…
2984	#endif	3438	#endif
2985	}	3439	}
2986	#endif	3440	#endif
2987		3441
2988	#if EV_MULTIPLICITY	3442	#if EV_MULTIPLICITY
		3443	ecb_cold
2989	struct ev_loop * ecb_cold	3444	struct ev_loop *
2990	#else	3445	#else
2991	int	3446	int
2992	#endif	3447	#endif
2993	ev_default_loop (unsigned int flags) EV_THROW	3448	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2994	{	3449	{
2995	if (!ev_default_loop_ptr)	3450	if (!ev_default_loop_ptr)
2996	{	3451	{
2997	#if EV_MULTIPLICITY	3452	#if EV_MULTIPLICITY
2998	EV_P = ev_default_loop_ptr = &default_loop_struct;	3453	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3017		3472
3018	return ev_default_loop_ptr;	3473	return ev_default_loop_ptr;
3019	}	3474	}
3020		3475
3021	void	3476	void
3022	ev_loop_fork (EV_P) EV_THROW	3477	ev_loop_fork (EV_P) EV_NOEXCEPT
3023	{	3478	{
3024	postfork = 1;	3479	postfork = 1;
3025	}	3480	}
3026		3481
3027	/*****************************************************************************/	3482	/*****************************************************************************/
…		…
3031	{	3486	{
3032	EV_CB_INVOKE ((W)w, revents);	3487	EV_CB_INVOKE ((W)w, revents);
3033	}	3488	}
3034		3489
3035	unsigned int	3490	unsigned int
3036	ev_pending_count (EV_P) EV_THROW	3491	ev_pending_count (EV_P) EV_NOEXCEPT
3037	{	3492	{
3038	int pri;	3493	int pri;
3039	unsigned int count = 0;	3494	unsigned int count = 0;
3040		3495
3041	for (pri = NUMPRI; pri--; )	3496	for (pri = NUMPRI; pri--; )
3042	count += pendingcnt [pri];	3497	count += pendingcnt [pri];
3043		3498
3044	return count;	3499	return count;
3045	}	3500	}
3046		3501
3047	void noinline	3502	ecb_noinline
		3503	void
3048	ev_invoke_pending (EV_P)	3504	ev_invoke_pending (EV_P)
3049	{	3505	{
3050	pendingpri = NUMPRI;	3506	pendingpri = NUMPRI;
3051		3507
3052	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3508	do
3053	{	3509	{
3054	--pendingpri;	3510	--pendingpri;
3055		3511
		3512	/* pendingpri possibly gets modified in the inner loop */
3056	while (pendingcnt [pendingpri])	3513	while (pendingcnt [pendingpri])
3057	{	3514	{
3058	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3515	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3059		3516
3060	p->w->pending = 0;	3517	p->w->pending = 0;
3061	EV_CB_INVOKE (p->w, p->events);	3518	EV_CB_INVOKE (p->w, p->events);
3062	EV_FREQUENT_CHECK;	3519	EV_FREQUENT_CHECK;
3063	}	3520	}
3064	}	3521	}
		3522	while (pendingpri);
3065	}	3523	}
3066		3524
3067	#if EV_IDLE_ENABLE	3525	#if EV_IDLE_ENABLE
3068	/* make idle watchers pending. this handles the "call-idle */	3526	/* make idle watchers pending. this handles the "call-idle */
3069	/* only when higher priorities are idle" logic */	3527	/* only when higher priorities are idle" logic */
3070	inline_size void	3528	inline_size void
3071	idle_reify (EV_P)	3529	idle_reify (EV_P)
3072	{	3530	{
3073	if (expect_false (idleall))	3531	if (ecb_expect_false (idleall))
3074	{	3532	{
3075	int pri;	3533	int pri;
3076		3534
3077	for (pri = NUMPRI; pri--; )	3535	for (pri = NUMPRI; pri--; )
3078	{	3536	{
…		…
3108	{	3566	{
3109	ev_at (w) += w->repeat;	3567	ev_at (w) += w->repeat;
3110	if (ev_at (w) < mn_now)	3568	if (ev_at (w) < mn_now)
3111	ev_at (w) = mn_now;	3569	ev_at (w) = mn_now;
3112		3570
3113	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.));	3571	assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > EV_TS_CONST (0.)));
3114		3572
3115	ANHE_at_cache (timers [HEAP0]);	3573	ANHE_at_cache (timers [HEAP0]);
3116	downheap (timers, timercnt, HEAP0);	3574	downheap (timers, timercnt, HEAP0);
3117	}	3575	}
3118	else	3576	else
…		…
3127	}	3585	}
3128	}	3586	}
3129		3587
3130	#if EV_PERIODIC_ENABLE	3588	#if EV_PERIODIC_ENABLE
3131		3589
3132	static void noinline	3590	ecb_noinline
		3591	static void
3133	periodic_recalc (EV_P_ ev_periodic *w)	3592	periodic_recalc (EV_P_ ev_periodic *w)
3134	{	3593	{
3135	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3594	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3136	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3595	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3137		3596
…		…
3139	while (at <= ev_rt_now)	3598	while (at <= ev_rt_now)
3140	{	3599	{
3141	ev_tstamp nat = at + w->interval;	3600	ev_tstamp nat = at + w->interval;
3142		3601
3143	/* when resolution fails us, we use ev_rt_now */	3602	/* when resolution fails us, we use ev_rt_now */
3144	if (expect_false (nat == at))	3603	if (ecb_expect_false (nat == at))
3145	{	3604	{
3146	at = ev_rt_now;	3605	at = ev_rt_now;
3147	break;	3606	break;
3148	}	3607	}
3149		3608
…		…
3195	}	3654	}
3196	}	3655	}
3197		3656
3198	/* simply recalculate all periodics */	3657	/* simply recalculate all periodics */
3199	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3658	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3200	static void noinline ecb_cold	3659	ecb_noinline ecb_cold
		3660	static void
3201	periodics_reschedule (EV_P)	3661	periodics_reschedule (EV_P)
3202	{	3662	{
3203	int i;	3663	int i;
3204		3664
3205	/* adjust periodics after time jump */	3665	/* adjust periodics after time jump */
…		…
3218	reheap (periodics, periodiccnt);	3678	reheap (periodics, periodiccnt);
3219	}	3679	}
3220	#endif	3680	#endif
3221		3681
3222	/* adjust all timers by a given offset */	3682	/* adjust all timers by a given offset */
3223	static void noinline ecb_cold	3683	ecb_noinline ecb_cold
		3684	static void
3224	timers_reschedule (EV_P_ ev_tstamp adjust)	3685	timers_reschedule (EV_P_ ev_tstamp adjust)
3225	{	3686	{
3226	int i;	3687	int i;
3227		3688
3228	for (i = 0; i < timercnt; ++i)	3689	for (i = 0; i < timercnt; ++i)
…		…
3237	/* also detect if there was a timejump, and act accordingly */	3698	/* also detect if there was a timejump, and act accordingly */
3238	inline_speed void	3699	inline_speed void
3239	time_update (EV_P_ ev_tstamp max_block)	3700	time_update (EV_P_ ev_tstamp max_block)
3240	{	3701	{
3241	#if EV_USE_MONOTONIC	3702	#if EV_USE_MONOTONIC
3242	if (expect_true (have_monotonic))	3703	if (ecb_expect_true (have_monotonic))
3243	{	3704	{
3244	int i;	3705	int i;
3245	ev_tstamp odiff = rtmn_diff;	3706	ev_tstamp odiff = rtmn_diff;
3246		3707
3247	mn_now = get_clock ();	3708	mn_now = get_clock ();
3248		3709
3249	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3710	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3250	/* interpolate in the meantime */	3711	/* interpolate in the meantime */
3251	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3712	if (ecb_expect_true (mn_now - now_floor < EV_TS_CONST (MIN_TIMEJUMP * .5)))
3252	{	3713	{
3253	ev_rt_now = rtmn_diff + mn_now;	3714	ev_rt_now = rtmn_diff + mn_now;
3254	return;	3715	return;
3255	}	3716	}
3256		3717
…		…
3270	ev_tstamp diff;	3731	ev_tstamp diff;
3271	rtmn_diff = ev_rt_now - mn_now;	3732	rtmn_diff = ev_rt_now - mn_now;
3272		3733
3273	diff = odiff - rtmn_diff;	3734	diff = odiff - rtmn_diff;
3274		3735
3275	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3736	if (ecb_expect_true ((diff < EV_TS_CONST (0.) ? -diff : diff) < EV_TS_CONST (MIN_TIMEJUMP)))
3276	return; /* all is well */	3737	return; /* all is well */
3277		3738
3278	ev_rt_now = ev_time ();	3739	ev_rt_now = ev_time ();
3279	mn_now = get_clock ();	3740	mn_now = get_clock ();
3280	now_floor = mn_now;	3741	now_floor = mn_now;
…		…
3289	else	3750	else
3290	#endif	3751	#endif
3291	{	3752	{
3292	ev_rt_now = ev_time ();	3753	ev_rt_now = ev_time ();
3293		3754
3294	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3755	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + EV_TS_CONST (MIN_TIMEJUMP)))
3295	{	3756	{
3296	/* adjust timers. this is easy, as the offset is the same for all of them */	3757	/* adjust timers. this is easy, as the offset is the same for all of them */
3297	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3758	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3298	#if EV_PERIODIC_ENABLE	3759	#if EV_PERIODIC_ENABLE
3299	periodics_reschedule (EV_A);	3760	periodics_reschedule (EV_A);
…		…
3322	#if EV_VERIFY >= 2	3783	#if EV_VERIFY >= 2
3323	ev_verify (EV_A);	3784	ev_verify (EV_A);
3324	#endif	3785	#endif
3325		3786
3326	#ifndef _WIN32	3787	#ifndef _WIN32
3327	if (expect_false (curpid)) /* penalise the forking check even more */	3788	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3328	if (expect_false (getpid () != curpid))	3789	if (ecb_expect_false (getpid () != curpid))
3329	{	3790	{
3330	curpid = getpid ();	3791	curpid = getpid ();
3331	postfork = 1;	3792	postfork = 1;
3332	}	3793	}
3333	#endif	3794	#endif
3334		3795
3335	#if EV_FORK_ENABLE	3796	#if EV_FORK_ENABLE
3336	/* we might have forked, so queue fork handlers */	3797	/* we might have forked, so queue fork handlers */
3337	if (expect_false (postfork))	3798	if (ecb_expect_false (postfork))
3338	if (forkcnt)	3799	if (forkcnt)
3339	{	3800	{
3340	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3801	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3341	EV_INVOKE_PENDING;	3802	EV_INVOKE_PENDING;
3342	}	3803	}
3343	#endif	3804	#endif
3344		3805
3345	#if EV_PREPARE_ENABLE	3806	#if EV_PREPARE_ENABLE
3346	/* queue prepare watchers (and execute them) */	3807	/* queue prepare watchers (and execute them) */
3347	if (expect_false (preparecnt))	3808	if (ecb_expect_false (preparecnt))
3348	{	3809	{
3349	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3810	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3350	EV_INVOKE_PENDING;	3811	EV_INVOKE_PENDING;
3351	}	3812	}
3352	#endif	3813	#endif
3353		3814
3354	if (expect_false (loop_done))	3815	if (ecb_expect_false (loop_done))
3355	break;	3816	break;
3356		3817
3357	/* we might have forked, so reify kernel state if necessary */	3818	/* we might have forked, so reify kernel state if necessary */
3358	if (expect_false (postfork))	3819	if (ecb_expect_false (postfork))
3359	loop_fork (EV_A);	3820	loop_fork (EV_A);
3360		3821
3361	/* update fd-related kernel structures */	3822	/* update fd-related kernel structures */
3362	fd_reify (EV_A);	3823	fd_reify (EV_A);
3363		3824
…		…
3368		3829
3369	/* remember old timestamp for io_blocktime calculation */	3830	/* remember old timestamp for io_blocktime calculation */
3370	ev_tstamp prev_mn_now = mn_now;	3831	ev_tstamp prev_mn_now = mn_now;
3371		3832
3372	/* update time to cancel out callback processing overhead */	3833	/* update time to cancel out callback processing overhead */
3373	time_update (EV_A_ 1e100);	3834	time_update (EV_A_ EV_TS_CONST (EV_TSTAMP_HUGE));
3374		3835
3375	/* from now on, we want a pipe-wake-up */	3836	/* from now on, we want a pipe-wake-up */
3376	pipe_write_wanted = 1;	3837	pipe_write_wanted = 1;
3377		3838
3378	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3839	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3379		3840
3380	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3841	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3381	{	3842	{
3382	waittime = MAX_BLOCKTIME;	3843	waittime = EV_TS_CONST (MAX_BLOCKTIME);
3383		3844
3384	if (timercnt)	3845	if (timercnt)
3385	{	3846	{
3386	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;	3847	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
3387	if (waittime > to) waittime = to;	3848	if (waittime > to) waittime = to;
…		…
3394	if (waittime > to) waittime = to;	3855	if (waittime > to) waittime = to;
3395	}	3856	}
3396	#endif	3857	#endif
3397		3858
3398	/* don't let timeouts decrease the waittime below timeout_blocktime */	3859	/* don't let timeouts decrease the waittime below timeout_blocktime */
3399	if (expect_false (waittime < timeout_blocktime))	3860	if (ecb_expect_false (waittime < timeout_blocktime))
3400	waittime = timeout_blocktime;	3861	waittime = timeout_blocktime;
3401		3862
3402	/* at this point, we NEED to wait, so we have to ensure */	3863	/* now there are two more special cases left, either we have
3403	/* to pass a minimum nonzero value to the backend */	3864	* already-expired timers, so we should not sleep, or we have timers
		3865	* that expire very soon, in which case we need to weait for a minimum
		3866	* amount of time for some event loop backends
		3867	*/
3404	if (expect_false (waittime < backend_mintime))	3868	if (ecb_expect_false (waittime < backend_mintime))
		3869	waittime = waittime <= EV_TS_CONST (0.)
		3870	? EV_TS_CONST (0.)
3405	waittime = backend_mintime;	3871	: backend_mintime;
3406		3872
3407	/* extra check because io_blocktime is commonly 0 */	3873	/* extra check because io_blocktime is commonly 0 */
3408	if (expect_false (io_blocktime))	3874	if (ecb_expect_false (io_blocktime))
3409	{	3875	{
3410	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3876	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3411		3877
3412	if (sleeptime > waittime - backend_mintime)	3878	if (sleeptime > waittime - backend_mintime)
3413	sleeptime = waittime - backend_mintime;	3879	sleeptime = waittime - backend_mintime;
3414		3880
3415	if (expect_true (sleeptime > 0.))	3881	if (ecb_expect_true (sleeptime > EV_TS_CONST (0.)))
3416	{	3882	{
3417	ev_sleep (sleeptime);	3883	ev_sleep (sleeptime);
3418	waittime -= sleeptime;	3884	waittime -= sleeptime;
3419	}	3885	}
3420	}	3886	}
…		…
3434	{	3900	{
3435	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3901	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3436	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3902	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3437	}	3903	}
3438		3904
3439
3440	/* update ev_rt_now, do magic */	3905	/* update ev_rt_now, do magic */
3441	time_update (EV_A_ waittime + sleeptime);	3906	time_update (EV_A_ waittime + sleeptime);
3442	}	3907	}
3443		3908
3444	/* queue pending timers and reschedule them */	3909	/* queue pending timers and reschedule them */
…		…
3452	idle_reify (EV_A);	3917	idle_reify (EV_A);
3453	#endif	3918	#endif
3454		3919
3455	#if EV_CHECK_ENABLE	3920	#if EV_CHECK_ENABLE
3456	/* queue check watchers, to be executed first */	3921	/* queue check watchers, to be executed first */
3457	if (expect_false (checkcnt))	3922	if (ecb_expect_false (checkcnt))
3458	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3923	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3459	#endif	3924	#endif
3460		3925
3461	EV_INVOKE_PENDING;	3926	EV_INVOKE_PENDING;
3462	}	3927	}
3463	while (expect_true (	3928	while (ecb_expect_true (
3464	activecnt	3929	activecnt
3465	&& !loop_done	3930	&& !loop_done
3466	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3931	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3467	));	3932	));
3468		3933
…		…
3475		3940
3476	return activecnt;	3941	return activecnt;
3477	}	3942	}
3478		3943
3479	void	3944	void
3480	ev_break (EV_P_ int how) EV_THROW	3945	ev_break (EV_P_ int how) EV_NOEXCEPT
3481	{	3946	{
3482	loop_done = how;	3947	loop_done = how;
3483	}	3948	}
3484		3949
3485	void	3950	void
3486	ev_ref (EV_P) EV_THROW	3951	ev_ref (EV_P) EV_NOEXCEPT
3487	{	3952	{
3488	++activecnt;	3953	++activecnt;
3489	}	3954	}
3490		3955
3491	void	3956	void
3492	ev_unref (EV_P) EV_THROW	3957	ev_unref (EV_P) EV_NOEXCEPT
3493	{	3958	{
3494	--activecnt;	3959	--activecnt;
3495	}	3960	}
3496		3961
3497	void	3962	void
3498	ev_now_update (EV_P) EV_THROW	3963	ev_now_update (EV_P) EV_NOEXCEPT
3499	{	3964	{
3500	time_update (EV_A_ 1e100);	3965	time_update (EV_A_ EV_TSTAMP_HUGE);
3501	}	3966	}
3502		3967
3503	void	3968	void
3504	ev_suspend (EV_P) EV_THROW	3969	ev_suspend (EV_P) EV_NOEXCEPT
3505	{	3970	{
3506	ev_now_update (EV_A);	3971	ev_now_update (EV_A);
3507	}	3972	}
3508		3973
3509	void	3974	void
3510	ev_resume (EV_P) EV_THROW	3975	ev_resume (EV_P) EV_NOEXCEPT
3511	{	3976	{
3512	ev_tstamp mn_prev = mn_now;	3977	ev_tstamp mn_prev = mn_now;
3513		3978
3514	ev_now_update (EV_A);	3979	ev_now_update (EV_A);
3515	timers_reschedule (EV_A_ mn_now - mn_prev);	3980	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3532	inline_size void	3997	inline_size void
3533	wlist_del (WL *head, WL elem)	3998	wlist_del (WL *head, WL elem)
3534	{	3999	{
3535	while (*head)	4000	while (*head)
3536	{	4001	{
3537	if (expect_true (*head == elem))	4002	if (ecb_expect_true (*head == elem))
3538	{	4003	{
3539	*head = elem->next;	4004	*head = elem->next;
3540	break;	4005	break;
3541	}	4006	}
3542		4007
…		…
3554	w->pending = 0;	4019	w->pending = 0;
3555	}	4020	}
3556	}	4021	}
3557		4022
3558	int	4023	int
3559	ev_clear_pending (EV_P_ void *w) EV_THROW	4024	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3560	{	4025	{
3561	W w_ = (W)w;	4026	W w_ = (W)w;
3562	int pending = w_->pending;	4027	int pending = w_->pending;
3563		4028
3564	if (expect_true (pending))	4029	if (ecb_expect_true (pending))
3565	{	4030	{
3566	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4031	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3567	p->w = (W)&pending_w;	4032	p->w = (W)&pending_w;
3568	w_->pending = 0;	4033	w_->pending = 0;
3569	return p->events;	4034	return p->events;
…		…
3596	w->active = 0;	4061	w->active = 0;
3597	}	4062	}
3598		4063
3599	/*****************************************************************************/	4064	/*****************************************************************************/
3600		4065
3601	void noinline	4066	ecb_noinline
		4067	void
3602	ev_io_start (EV_P_ ev_io *w) EV_THROW	4068	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3603	{	4069	{
3604	int fd = w->fd;	4070	int fd = w->fd;
3605		4071
3606	if (expect_false (ev_is_active (w)))	4072	if (ecb_expect_false (ev_is_active (w)))
3607	return;	4073	return;
3608		4074
3609	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4075	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3610	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4076	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3611		4077
		4078	#if EV_VERIFY >= 2
		4079	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4080	#endif
3612	EV_FREQUENT_CHECK;	4081	EV_FREQUENT_CHECK;
3613		4082
3614	ev_start (EV_A_ (W)w, 1);	4083	ev_start (EV_A_ (W)w, 1);
3615	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4084	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3616	wlist_add (&anfds[fd].head, (WL)w);	4085	wlist_add (&anfds[fd].head, (WL)w);
3617		4086
3618	/* common bug, apparently */	4087	/* common bug, apparently */
3619	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4088	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3620		4089
…		…
3622	w->events &= ~EV__IOFDSET;	4091	w->events &= ~EV__IOFDSET;
3623		4092
3624	EV_FREQUENT_CHECK;	4093	EV_FREQUENT_CHECK;
3625	}	4094	}
3626		4095
3627	void noinline	4096	ecb_noinline
		4097	void
3628	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4098	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3629	{	4099	{
3630	clear_pending (EV_A_ (W)w);	4100	clear_pending (EV_A_ (W)w);
3631	if (expect_false (!ev_is_active (w)))	4101	if (ecb_expect_false (!ev_is_active (w)))
3632	return;	4102	return;
3633		4103
3634	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4104	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3635		4105
		4106	#if EV_VERIFY >= 2
		4107	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4108	#endif
3636	EV_FREQUENT_CHECK;	4109	EV_FREQUENT_CHECK;
3637		4110
3638	wlist_del (&anfds[w->fd].head, (WL)w);	4111	wlist_del (&anfds[w->fd].head, (WL)w);
3639	ev_stop (EV_A_ (W)w);	4112	ev_stop (EV_A_ (W)w);
3640		4113
3641	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4114	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3642		4115
3643	EV_FREQUENT_CHECK;	4116	EV_FREQUENT_CHECK;
3644	}	4117	}
3645		4118
3646	void noinline	4119	ecb_noinline
		4120	void
3647	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4121	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3648	{	4122	{
3649	if (expect_false (ev_is_active (w)))	4123	if (ecb_expect_false (ev_is_active (w)))
3650	return;	4124	return;
3651		4125
3652	ev_at (w) += mn_now;	4126	ev_at (w) += mn_now;
3653		4127
3654	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4128	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3655		4129
3656	EV_FREQUENT_CHECK;	4130	EV_FREQUENT_CHECK;
3657		4131
3658	++timercnt;	4132	++timercnt;
3659	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4133	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3660	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4134	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3661	ANHE_w (timers [ev_active (w)]) = (WT)w;	4135	ANHE_w (timers [ev_active (w)]) = (WT)w;
3662	ANHE_at_cache (timers [ev_active (w)]);	4136	ANHE_at_cache (timers [ev_active (w)]);
3663	upheap (timers, ev_active (w));	4137	upheap (timers, ev_active (w));
3664		4138
3665	EV_FREQUENT_CHECK;	4139	EV_FREQUENT_CHECK;
3666		4140
3667	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4141	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3668	}	4142	}
3669		4143
3670	void noinline	4144	ecb_noinline
		4145	void
3671	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4146	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3672	{	4147	{
3673	clear_pending (EV_A_ (W)w);	4148	clear_pending (EV_A_ (W)w);
3674	if (expect_false (!ev_is_active (w)))	4149	if (ecb_expect_false (!ev_is_active (w)))
3675	return;	4150	return;
3676		4151
3677	EV_FREQUENT_CHECK;	4152	EV_FREQUENT_CHECK;
3678		4153
3679	{	4154	{
…		…
3681		4156
3682	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4157	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3683		4158
3684	--timercnt;	4159	--timercnt;
3685		4160
3686	if (expect_true (active < timercnt + HEAP0))	4161	if (ecb_expect_true (active < timercnt + HEAP0))
3687	{	4162	{
3688	timers [active] = timers [timercnt + HEAP0];	4163	timers [active] = timers [timercnt + HEAP0];
3689	adjustheap (timers, timercnt, active);	4164	adjustheap (timers, timercnt, active);
3690	}	4165	}
3691	}	4166	}
…		…
3695	ev_stop (EV_A_ (W)w);	4170	ev_stop (EV_A_ (W)w);
3696		4171
3697	EV_FREQUENT_CHECK;	4172	EV_FREQUENT_CHECK;
3698	}	4173	}
3699		4174
3700	void noinline	4175	ecb_noinline
		4176	void
3701	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4177	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3702	{	4178	{
3703	EV_FREQUENT_CHECK;	4179	EV_FREQUENT_CHECK;
3704		4180
3705	clear_pending (EV_A_ (W)w);	4181	clear_pending (EV_A_ (W)w);
3706		4182
…		…
3723		4199
3724	EV_FREQUENT_CHECK;	4200	EV_FREQUENT_CHECK;
3725	}	4201	}
3726		4202
3727	ev_tstamp	4203	ev_tstamp
3728	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4204	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	4205	{
3730	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4206	return ev_at (w) - (ev_is_active (w) ? mn_now : EV_TS_CONST (0.));
3731	}	4207	}
3732		4208
3733	#if EV_PERIODIC_ENABLE	4209	#if EV_PERIODIC_ENABLE
3734	void noinline	4210	ecb_noinline
		4211	void
3735	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4212	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3736	{	4213	{
3737	if (expect_false (ev_is_active (w)))	4214	if (ecb_expect_false (ev_is_active (w)))
3738	return;	4215	return;
3739		4216
3740	if (w->reschedule_cb)	4217	if (w->reschedule_cb)
3741	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4218	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3742	else if (w->interval)	4219	else if (w->interval)
…		…
3749		4226
3750	EV_FREQUENT_CHECK;	4227	EV_FREQUENT_CHECK;
3751		4228
3752	++periodiccnt;	4229	++periodiccnt;
3753	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4230	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3754	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4231	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3755	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4232	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3756	ANHE_at_cache (periodics [ev_active (w)]);	4233	ANHE_at_cache (periodics [ev_active (w)]);
3757	upheap (periodics, ev_active (w));	4234	upheap (periodics, ev_active (w));
3758		4235
3759	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
3760		4237
3761	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4238	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3762	}	4239	}
3763		4240
3764	void noinline	4241	ecb_noinline
		4242	void
3765	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4243	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3766	{	4244	{
3767	clear_pending (EV_A_ (W)w);	4245	clear_pending (EV_A_ (W)w);
3768	if (expect_false (!ev_is_active (w)))	4246	if (ecb_expect_false (!ev_is_active (w)))
3769	return;	4247	return;
3770		4248
3771	EV_FREQUENT_CHECK;	4249	EV_FREQUENT_CHECK;
3772		4250
3773	{	4251	{
…		…
3775		4253
3776	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4254	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3777		4255
3778	--periodiccnt;	4256	--periodiccnt;
3779		4257
3780	if (expect_true (active < periodiccnt + HEAP0))	4258	if (ecb_expect_true (active < periodiccnt + HEAP0))
3781	{	4259	{
3782	periodics [active] = periodics [periodiccnt + HEAP0];	4260	periodics [active] = periodics [periodiccnt + HEAP0];
3783	adjustheap (periodics, periodiccnt, active);	4261	adjustheap (periodics, periodiccnt, active);
3784	}	4262	}
3785	}	4263	}
…		…
3787	ev_stop (EV_A_ (W)w);	4265	ev_stop (EV_A_ (W)w);
3788		4266
3789	EV_FREQUENT_CHECK;	4267	EV_FREQUENT_CHECK;
3790	}	4268	}
3791		4269
3792	void noinline	4270	ecb_noinline
		4271	void
3793	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4272	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3794	{	4273	{
3795	/* TODO: use adjustheap and recalculation */	4274	/* TODO: use adjustheap and recalculation */
3796	ev_periodic_stop (EV_A_ w);	4275	ev_periodic_stop (EV_A_ w);
3797	ev_periodic_start (EV_A_ w);	4276	ev_periodic_start (EV_A_ w);
3798	}	4277	}
…		…
3802	# define SA_RESTART 0	4281	# define SA_RESTART 0
3803	#endif	4282	#endif
3804		4283
3805	#if EV_SIGNAL_ENABLE	4284	#if EV_SIGNAL_ENABLE
3806		4285
3807	void noinline	4286	ecb_noinline
		4287	void
3808	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4288	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3809	{	4289	{
3810	if (expect_false (ev_is_active (w)))	4290	if (ecb_expect_false (ev_is_active (w)))
3811	return;	4291	return;
3812		4292
3813	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4293	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3814		4294
3815	#if EV_MULTIPLICITY	4295	#if EV_MULTIPLICITY
…		…
3884	}	4364	}
3885		4365
3886	EV_FREQUENT_CHECK;	4366	EV_FREQUENT_CHECK;
3887	}	4367	}
3888		4368
3889	void noinline	4369	ecb_noinline
		4370	void
3890	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4371	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3891	{	4372	{
3892	clear_pending (EV_A_ (W)w);	4373	clear_pending (EV_A_ (W)w);
3893	if (expect_false (!ev_is_active (w)))	4374	if (ecb_expect_false (!ev_is_active (w)))
3894	return;	4375	return;
3895		4376
3896	EV_FREQUENT_CHECK;	4377	EV_FREQUENT_CHECK;
3897		4378
3898	wlist_del (&signals [w->signum - 1].head, (WL)w);	4379	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3926	#endif	4407	#endif
3927		4408
3928	#if EV_CHILD_ENABLE	4409	#if EV_CHILD_ENABLE
3929		4410
3930	void	4411	void
3931	ev_child_start (EV_P_ ev_child *w) EV_THROW	4412	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3932	{	4413	{
3933	#if EV_MULTIPLICITY	4414	#if EV_MULTIPLICITY
3934	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4415	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3935	#endif	4416	#endif
3936	if (expect_false (ev_is_active (w)))	4417	if (ecb_expect_false (ev_is_active (w)))
3937	return;	4418	return;
3938		4419
3939	EV_FREQUENT_CHECK;	4420	EV_FREQUENT_CHECK;
3940		4421
3941	ev_start (EV_A_ (W)w, 1);	4422	ev_start (EV_A_ (W)w, 1);
…		…
3943		4424
3944	EV_FREQUENT_CHECK;	4425	EV_FREQUENT_CHECK;
3945	}	4426	}
3946		4427
3947	void	4428	void
3948	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4429	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3949	{	4430	{
3950	clear_pending (EV_A_ (W)w);	4431	clear_pending (EV_A_ (W)w);
3951	if (expect_false (!ev_is_active (w)))	4432	if (ecb_expect_false (!ev_is_active (w)))
3952	return;	4433	return;
3953		4434
3954	EV_FREQUENT_CHECK;	4435	EV_FREQUENT_CHECK;
3955		4436
3956	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4437	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3970		4451
3971	#define DEF_STAT_INTERVAL 5.0074891	4452	#define DEF_STAT_INTERVAL 5.0074891
3972	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4453	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3973	#define MIN_STAT_INTERVAL 0.1074891	4454	#define MIN_STAT_INTERVAL 0.1074891
3974		4455
3975	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4456	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3976		4457
3977	#if EV_USE_INOTIFY	4458	#if EV_USE_INOTIFY
3978		4459
3979	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4460	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3980	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4461	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3981		4462
3982	static void noinline	4463	ecb_noinline
		4464	static void
3983	infy_add (EV_P_ ev_stat *w)	4465	infy_add (EV_P_ ev_stat *w)
3984	{	4466	{
3985	w->wd = inotify_add_watch (fs_fd, w->path,	4467	w->wd = inotify_add_watch (fs_fd, w->path,
3986	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4468	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3987	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4469	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4051	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4533	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4052	ev_timer_again (EV_A_ &w->timer);	4534	ev_timer_again (EV_A_ &w->timer);
4053	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4535	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4054	}	4536	}
4055		4537
4056	static void noinline	4538	ecb_noinline
		4539	static void
4057	infy_del (EV_P_ ev_stat *w)	4540	infy_del (EV_P_ ev_stat *w)
4058	{	4541	{
4059	int slot;	4542	int slot;
4060	int wd = w->wd;	4543	int wd = w->wd;
4061		4544
…		…
4068		4551
4069	/* remove this watcher, if others are watching it, they will rearm */	4552	/* remove this watcher, if others are watching it, they will rearm */
4070	inotify_rm_watch (fs_fd, wd);	4553	inotify_rm_watch (fs_fd, wd);
4071	}	4554	}
4072		4555
4073	static void noinline	4556	ecb_noinline
		4557	static void
4074	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4558	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4075	{	4559	{
4076	if (slot < 0)	4560	if (slot < 0)
4077	/* overflow, need to check for all hash slots */	4561	/* overflow, need to check for all hash slots */
4078	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4562	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4114	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4598	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4115	ofs += sizeof (struct inotify_event) + ev->len;	4599	ofs += sizeof (struct inotify_event) + ev->len;
4116	}	4600	}
4117	}	4601	}
4118		4602
4119	inline_size void ecb_cold	4603	inline_size ecb_cold
		4604	void
4120	ev_check_2625 (EV_P)	4605	ev_check_2625 (EV_P)
4121	{	4606	{
4122	/* kernels < 2.6.25 are borked	4607	/* kernels < 2.6.25 are borked
4123	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4608	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4124	*/	4609	*/
…		…
4214	#else	4699	#else
4215	# define EV_LSTAT(p,b) lstat (p, b)	4700	# define EV_LSTAT(p,b) lstat (p, b)
4216	#endif	4701	#endif
4217		4702
4218	void	4703	void
4219	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4704	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4220	{	4705	{
4221	if (lstat (w->path, &w->attr) < 0)	4706	if (lstat (w->path, &w->attr) < 0)
4222	w->attr.st_nlink = 0;	4707	w->attr.st_nlink = 0;
4223	else if (!w->attr.st_nlink)	4708	else if (!w->attr.st_nlink)
4224	w->attr.st_nlink = 1;	4709	w->attr.st_nlink = 1;
4225	}	4710	}
4226		4711
4227	static void noinline	4712	ecb_noinline
		4713	static void
4228	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4714	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4229	{	4715	{
4230	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4716	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4231		4717
4232	ev_statdata prev = w->attr;	4718	ev_statdata prev = w->attr;
…		…
4263	ev_feed_event (EV_A_ w, EV_STAT);	4749	ev_feed_event (EV_A_ w, EV_STAT);
4264	}	4750	}
4265	}	4751	}
4266		4752
4267	void	4753	void
4268	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4754	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4269	{	4755	{
4270	if (expect_false (ev_is_active (w)))	4756	if (ecb_expect_false (ev_is_active (w)))
4271	return;	4757	return;
4272		4758
4273	ev_stat_stat (EV_A_ w);	4759	ev_stat_stat (EV_A_ w);
4274		4760
4275	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4761	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4294		4780
4295	EV_FREQUENT_CHECK;	4781	EV_FREQUENT_CHECK;
4296	}	4782	}
4297		4783
4298	void	4784	void
4299	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4785	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4300	{	4786	{
4301	clear_pending (EV_A_ (W)w);	4787	clear_pending (EV_A_ (W)w);
4302	if (expect_false (!ev_is_active (w)))	4788	if (ecb_expect_false (!ev_is_active (w)))
4303	return;	4789	return;
4304		4790
4305	EV_FREQUENT_CHECK;	4791	EV_FREQUENT_CHECK;
4306		4792
4307	#if EV_USE_INOTIFY	4793	#if EV_USE_INOTIFY
…		…
4320	}	4806	}
4321	#endif	4807	#endif
4322		4808
4323	#if EV_IDLE_ENABLE	4809	#if EV_IDLE_ENABLE
4324	void	4810	void
4325	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4811	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4326	{	4812	{
4327	if (expect_false (ev_is_active (w)))	4813	if (ecb_expect_false (ev_is_active (w)))
4328	return;	4814	return;
4329		4815
4330	pri_adjust (EV_A_ (W)w);	4816	pri_adjust (EV_A_ (W)w);
4331		4817
4332	EV_FREQUENT_CHECK;	4818	EV_FREQUENT_CHECK;
…		…
4335	int active = ++idlecnt [ABSPRI (w)];	4821	int active = ++idlecnt [ABSPRI (w)];
4336		4822
4337	++idleall;	4823	++idleall;
4338	ev_start (EV_A_ (W)w, active);	4824	ev_start (EV_A_ (W)w, active);
4339		4825
4340	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4826	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4341	idles [ABSPRI (w)][active - 1] = w;	4827	idles [ABSPRI (w)][active - 1] = w;
4342	}	4828	}
4343		4829
4344	EV_FREQUENT_CHECK;	4830	EV_FREQUENT_CHECK;
4345	}	4831	}
4346		4832
4347	void	4833	void
4348	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4834	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4349	{	4835	{
4350	clear_pending (EV_A_ (W)w);	4836	clear_pending (EV_A_ (W)w);
4351	if (expect_false (!ev_is_active (w)))	4837	if (ecb_expect_false (!ev_is_active (w)))
4352	return;	4838	return;
4353		4839
4354	EV_FREQUENT_CHECK;	4840	EV_FREQUENT_CHECK;
4355		4841
4356	{	4842	{
…		…
4367	}	4853	}
4368	#endif	4854	#endif
4369		4855
4370	#if EV_PREPARE_ENABLE	4856	#if EV_PREPARE_ENABLE
4371	void	4857	void
4372	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4858	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4373	{	4859	{
4374	if (expect_false (ev_is_active (w)))	4860	if (ecb_expect_false (ev_is_active (w)))
4375	return;	4861	return;
4376		4862
4377	EV_FREQUENT_CHECK;	4863	EV_FREQUENT_CHECK;
4378		4864
4379	ev_start (EV_A_ (W)w, ++preparecnt);	4865	ev_start (EV_A_ (W)w, ++preparecnt);
4380	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4866	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4381	prepares [preparecnt - 1] = w;	4867	prepares [preparecnt - 1] = w;
4382		4868
4383	EV_FREQUENT_CHECK;	4869	EV_FREQUENT_CHECK;
4384	}	4870	}
4385		4871
4386	void	4872	void
4387	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4873	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4388	{	4874	{
4389	clear_pending (EV_A_ (W)w);	4875	clear_pending (EV_A_ (W)w);
4390	if (expect_false (!ev_is_active (w)))	4876	if (ecb_expect_false (!ev_is_active (w)))
4391	return;	4877	return;
4392		4878
4393	EV_FREQUENT_CHECK;	4879	EV_FREQUENT_CHECK;
4394		4880
4395	{	4881	{
…		…
4405	}	4891	}
4406	#endif	4892	#endif
4407		4893
4408	#if EV_CHECK_ENABLE	4894	#if EV_CHECK_ENABLE
4409	void	4895	void
4410	ev_check_start (EV_P_ ev_check *w) EV_THROW	4896	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4411	{	4897	{
4412	if (expect_false (ev_is_active (w)))	4898	if (ecb_expect_false (ev_is_active (w)))
4413	return;	4899	return;
4414		4900
4415	EV_FREQUENT_CHECK;	4901	EV_FREQUENT_CHECK;
4416		4902
4417	ev_start (EV_A_ (W)w, ++checkcnt);	4903	ev_start (EV_A_ (W)w, ++checkcnt);
4418	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4904	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4419	checks [checkcnt - 1] = w;	4905	checks [checkcnt - 1] = w;
4420		4906
4421	EV_FREQUENT_CHECK;	4907	EV_FREQUENT_CHECK;
4422	}	4908	}
4423		4909
4424	void	4910	void
4425	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4911	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4426	{	4912	{
4427	clear_pending (EV_A_ (W)w);	4913	clear_pending (EV_A_ (W)w);
4428	if (expect_false (!ev_is_active (w)))	4914	if (ecb_expect_false (!ev_is_active (w)))
4429	return;	4915	return;
4430		4916
4431	EV_FREQUENT_CHECK;	4917	EV_FREQUENT_CHECK;
4432		4918
4433	{	4919	{
…		…
4442	EV_FREQUENT_CHECK;	4928	EV_FREQUENT_CHECK;
4443	}	4929	}
4444	#endif	4930	#endif
4445		4931
4446	#if EV_EMBED_ENABLE	4932	#if EV_EMBED_ENABLE
4447	void noinline	4933	ecb_noinline
		4934	void
4448	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4935	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4449	{	4936	{
4450	ev_run (w->other, EVRUN_NOWAIT);	4937	ev_run (w->other, EVRUN_NOWAIT);
4451	}	4938	}
4452		4939
4453	static void	4940	static void
…		…
4501	ev_idle_stop (EV_A_ idle);	4988	ev_idle_stop (EV_A_ idle);
4502	}	4989	}
4503	#endif	4990	#endif
4504		4991
4505	void	4992	void
4506	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4993	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4507	{	4994	{
4508	if (expect_false (ev_is_active (w)))	4995	if (ecb_expect_false (ev_is_active (w)))
4509	return;	4996	return;
4510		4997
4511	{	4998	{
4512	EV_P = w->other;	4999	EV_P = w->other;
4513	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	5000	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4532		5019
4533	EV_FREQUENT_CHECK;	5020	EV_FREQUENT_CHECK;
4534	}	5021	}
4535		5022
4536	void	5023	void
4537	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	5024	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4538	{	5025	{
4539	clear_pending (EV_A_ (W)w);	5026	clear_pending (EV_A_ (W)w);
4540	if (expect_false (!ev_is_active (w)))	5027	if (ecb_expect_false (!ev_is_active (w)))
4541	return;	5028	return;
4542		5029
4543	EV_FREQUENT_CHECK;	5030	EV_FREQUENT_CHECK;
4544		5031
4545	ev_io_stop (EV_A_ &w->io);	5032	ev_io_stop (EV_A_ &w->io);
…		…
4552	}	5039	}
4553	#endif	5040	#endif
4554		5041
4555	#if EV_FORK_ENABLE	5042	#if EV_FORK_ENABLE
4556	void	5043	void
4557	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5044	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4558	{	5045	{
4559	if (expect_false (ev_is_active (w)))	5046	if (ecb_expect_false (ev_is_active (w)))
4560	return;	5047	return;
4561		5048
4562	EV_FREQUENT_CHECK;	5049	EV_FREQUENT_CHECK;
4563		5050
4564	ev_start (EV_A_ (W)w, ++forkcnt);	5051	ev_start (EV_A_ (W)w, ++forkcnt);
4565	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5052	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4566	forks [forkcnt - 1] = w;	5053	forks [forkcnt - 1] = w;
4567		5054
4568	EV_FREQUENT_CHECK;	5055	EV_FREQUENT_CHECK;
4569	}	5056	}
4570		5057
4571	void	5058	void
4572	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5059	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4573	{	5060	{
4574	clear_pending (EV_A_ (W)w);	5061	clear_pending (EV_A_ (W)w);
4575	if (expect_false (!ev_is_active (w)))	5062	if (ecb_expect_false (!ev_is_active (w)))
4576	return;	5063	return;
4577		5064
4578	EV_FREQUENT_CHECK;	5065	EV_FREQUENT_CHECK;
4579		5066
4580	{	5067	{
…		…
4590	}	5077	}
4591	#endif	5078	#endif
4592		5079
4593	#if EV_CLEANUP_ENABLE	5080	#if EV_CLEANUP_ENABLE
4594	void	5081	void
4595	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5082	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4596	{	5083	{
4597	if (expect_false (ev_is_active (w)))	5084	if (ecb_expect_false (ev_is_active (w)))
4598	return;	5085	return;
4599		5086
4600	EV_FREQUENT_CHECK;	5087	EV_FREQUENT_CHECK;
4601		5088
4602	ev_start (EV_A_ (W)w, ++cleanupcnt);	5089	ev_start (EV_A_ (W)w, ++cleanupcnt);
4603	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5090	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4604	cleanups [cleanupcnt - 1] = w;	5091	cleanups [cleanupcnt - 1] = w;
4605		5092
4606	/* cleanup watchers should never keep a refcount on the loop */	5093	/* cleanup watchers should never keep a refcount on the loop */
4607	ev_unref (EV_A);	5094	ev_unref (EV_A);
4608	EV_FREQUENT_CHECK;	5095	EV_FREQUENT_CHECK;
4609	}	5096	}
4610		5097
4611	void	5098	void
4612	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5099	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4613	{	5100	{
4614	clear_pending (EV_A_ (W)w);	5101	clear_pending (EV_A_ (W)w);
4615	if (expect_false (!ev_is_active (w)))	5102	if (ecb_expect_false (!ev_is_active (w)))
4616	return;	5103	return;
4617		5104
4618	EV_FREQUENT_CHECK;	5105	EV_FREQUENT_CHECK;
4619	ev_ref (EV_A);	5106	ev_ref (EV_A);
4620		5107
…		…
4631	}	5118	}
4632	#endif	5119	#endif
4633		5120
4634	#if EV_ASYNC_ENABLE	5121	#if EV_ASYNC_ENABLE
4635	void	5122	void
4636	ev_async_start (EV_P_ ev_async *w) EV_THROW	5123	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4637	{	5124	{
4638	if (expect_false (ev_is_active (w)))	5125	if (ecb_expect_false (ev_is_active (w)))
4639	return;	5126	return;
4640		5127
4641	w->sent = 0;	5128	w->sent = 0;
4642		5129
4643	evpipe_init (EV_A);	5130	evpipe_init (EV_A);
4644		5131
4645	EV_FREQUENT_CHECK;	5132	EV_FREQUENT_CHECK;
4646		5133
4647	ev_start (EV_A_ (W)w, ++asynccnt);	5134	ev_start (EV_A_ (W)w, ++asynccnt);
4648	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5135	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4649	asyncs [asynccnt - 1] = w;	5136	asyncs [asynccnt - 1] = w;
4650		5137
4651	EV_FREQUENT_CHECK;	5138	EV_FREQUENT_CHECK;
4652	}	5139	}
4653		5140
4654	void	5141	void
4655	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5142	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4656	{	5143	{
4657	clear_pending (EV_A_ (W)w);	5144	clear_pending (EV_A_ (W)w);
4658	if (expect_false (!ev_is_active (w)))	5145	if (ecb_expect_false (!ev_is_active (w)))
4659	return;	5146	return;
4660		5147
4661	EV_FREQUENT_CHECK;	5148	EV_FREQUENT_CHECK;
4662		5149
4663	{	5150	{
…		…
4671		5158
4672	EV_FREQUENT_CHECK;	5159	EV_FREQUENT_CHECK;
4673	}	5160	}
4674		5161
4675	void	5162	void
4676	ev_async_send (EV_P_ ev_async *w) EV_THROW	5163	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4677	{	5164	{
4678	w->sent = 1;	5165	w->sent = 1;
4679	evpipe_write (EV_A_ &async_pending);	5166	evpipe_write (EV_A_ &async_pending);
4680	}	5167	}
4681	#endif	5168	#endif
…		…
4718		5205
4719	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5206	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4720	}	5207	}
4721		5208
4722	void	5209	void
4723	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5210	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4724	{	5211	{
4725	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5212	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4726
4727	if (expect_false (!once))
4728	{
4729	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4730	return;
4731	}
4732		5213
4733	once->cb = cb;	5214	once->cb = cb;
4734	once->arg = arg;	5215	once->arg = arg;
4735		5216
4736	ev_init (&once->io, once_cb_io);	5217	ev_init (&once->io, once_cb_io);
…		…
4749	}	5230	}
4750		5231
4751	/*****************************************************************************/	5232	/*****************************************************************************/
4752		5233
4753	#if EV_WALK_ENABLE	5234	#if EV_WALK_ENABLE
4754	void ecb_cold	5235	ecb_cold
		5236	void
4755	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5237	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4756	{	5238	{
4757	int i, j;	5239	int i, j;
4758	ev_watcher_list *wl, *wn;	5240	ev_watcher_list *wl, *wn;
4759		5241
4760	if (types & (EV_IO | EV_EMBED))	5242	if (types & (EV_IO | EV_EMBED))

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