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Comparing libev/ev.c (file contents):
Revision 1.459 by root, Tue Oct 29 12:13:37 2013 UTC vs.
Revision 1.507 by root, Thu Jul 11 08:22:54 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
249	#ifndef EV_USE_FLOOR	260	#ifndef EV_USE_FLOOR
250	# define EV_USE_FLOOR 0	261	# define EV_USE_FLOOR 0
251	#endif	262	#endif
252		263
253	#ifndef EV_USE_CLOCK_SYSCALL	264	#ifndef EV_USE_CLOCK_SYSCALL
254	# if __linux && __GLIBC__ >= 2	265	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	266	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
		269	# endif
		270	#endif
		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
258	# endif	278	# endif
259	#endif	279	#endif
260		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
309	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	348	# else
313	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
354		390
355	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	393	#endif
358		394
359	#ifdef ANDROID	395	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	414	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
383	# else	420	# else
384	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	423	# endif
387	#endif	424	#endif
…		…
405		442
406	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		453	# define EV_NEED_SYSCALL 1
		454	# else
		455	# undef EV_USE_LINUXAIO
		456	# define EV_USE_LINUXAIO 0
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !SYS_io_uring_setup && __linux && !__alpha
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
410	# endif	472	# endif
411	#endif	473	#endif
412		474
413	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	518	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
458	};	520	};
459	#endif	521	#endif
460		522
461	/**/	523	/*****************************************************************************/
462		524
463	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	527	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
471	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
472	*/	534	*/
473	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
474	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
475		537
476	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	538	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
477	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
478		540
		541	/* find a portable timestamp that is "always" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
		548
		549	#define EV_TS_TO_MS(a) a * 1e3 + 0.9999
		550	#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)	551	#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)	552	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		553	#define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e-6)
		554	#define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e-9)
481		555
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	556	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	557	/* ECB.H BEGIN */
484	/*	558	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	559	* libecb - http://software.schmorp.de/pkg/libecb
486	*	560	*
487	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	561	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	562	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	563	* All rights reserved.
490	*	564	*
491	* Redistribution and use in source and binary forms, with or without modifica-	565	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	566	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	580	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	581	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	582	* 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	583	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	584	* OF THE POSSIBILITY OF SUCH DAMAGE.
		585	*
		586	* Alternatively, the contents of this file may be used under the terms of
		587	* the GNU General Public License ("GPL") version 2 or any later version,
		588	* in which case the provisions of the GPL are applicable instead of
		589	* the above. If you wish to allow the use of your version of this file
		590	* only under the terms of the GPL and not to allow others to use your
		591	* version of this file under the BSD license, indicate your decision
		592	* by deleting the provisions above and replace them with the notice
		593	* and other provisions required by the GPL. If you do not delete the
		594	* provisions above, a recipient may use your version of this file under
		595	* either the BSD or the GPL.
511	*/	596	*/
512		597
513	#ifndef ECB_H	598	#ifndef ECB_H
514	#define ECB_H	599	#define ECB_H
515		600
516	/* 16 bits major, 16 bits minor */	601	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	602	#define ECB_VERSION 0x00010006
518		603
519	#ifdef _WIN32	604	#ifdef _WIN32
520	typedef signed char int8_t;	605	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	606	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	607	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	624	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	625	typedef int32_t intptr_t;
541	#endif	626	#endif
542	#else	627	#else
543	#include <inttypes.h>	628	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	629	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	630	#define ECB_PTRSIZE 8
546	#else	631	#else
547	#define ECB_PTRSIZE 4	632	#define ECB_PTRSIZE 4
548	#endif	633	#endif
549	#endif	634	#endif
550		635
		636	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		637	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		638
551	/* work around x32 idiocy by defining proper macros */	639	/* work around x32 idiocy by defining proper macros */
552	#if __x86_64 || _M_AMD64	640	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	641	#if _ILP32
554	#define ECB_AMD64_X32 1	642	#define ECB_AMD64_X32 1
555	#else	643	#else
556	#define ECB_AMD64 1	644	#define ECB_AMD64 1
557	#endif	645	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	650	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	651	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	652	* 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.	653	* an issue with that they should have done it right in the first place.
566	*/	654	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	655	#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	656	#define ECB_GCC_VERSION(major,minor) 0
570	#else	657	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	658	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	659	#endif
573	#endif
574		660
575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	661	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	662
577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	663	#if __clang__ && defined __has_builtin
		664	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		665	#else
		666	#define ECB_CLANG_BUILTIN(x) 0
		667	#endif
		668
		669	#if __clang__ && defined __has_extension
		670	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		671	#else
		672	#define ECB_CLANG_EXTENSION(x) 0
		673	#endif
		674
578	#define ECB_CPP (__cplusplus+0)	675	#define ECB_CPP (__cplusplus+0)
579	#define ECB_CPP11 (__cplusplus >= 201103L)	676	#define ECB_CPP11 (__cplusplus >= 201103L)
		677	#define ECB_CPP14 (__cplusplus >= 201402L)
		678	#define ECB_CPP17 (__cplusplus >= 201703L)
		679
		680	#if ECB_CPP
		681	#define ECB_C 0
		682	#define ECB_STDC_VERSION 0
		683	#else
		684	#define ECB_C 1
		685	#define ECB_STDC_VERSION __STDC_VERSION__
		686	#endif
		687
		688	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		689	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		690	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
580		691
581	#if ECB_CPP	692	#if ECB_CPP
582	#define ECB_EXTERN_C extern "C"	693	#define ECB_EXTERN_C extern "C"
583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	694	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584	#define ECB_EXTERN_C_END }	695	#define ECB_EXTERN_C_END }
…		…
599		710
600	#if ECB_NO_SMP	711	#if ECB_NO_SMP
601	#define ECB_MEMORY_FENCE do { } while (0)	712	#define ECB_MEMORY_FENCE do { } while (0)
602	#endif	713	#endif
603		714
		715	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		716	#if __xlC__ && ECB_CPP
		717	#include <builtins.h>
		718	#endif
		719
		720	#if 1400 <= _MSC_VER
		721	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		722	#endif
		723
604	#ifndef ECB_MEMORY_FENCE	724	#ifndef ECB_MEMORY_FENCE
605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	725	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		726	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
606	#if __i386 || __i386__	727	#if __i386 || __i386__
607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	728	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	729	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	730	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	731	#elif ECB_GCC_AMD64
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	732	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	733	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	734	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	735	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	736	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		737	#elif defined __ARM_ARCH_2__ \
		738	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		739	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		740	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		741	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		742	|| defined __ARM_ARCH_5TEJ__
		743	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	744	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	745	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		746	|| defined __ARM_ARCH_6T2__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	747	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	748	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	749	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
622	#elif __sparc || __sparc__	751	#elif __aarch64__
		752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		753	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	754	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	755	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	756	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626	#elif defined __s390__ || defined __s390x__	757	#elif defined __s390__ || defined __s390x__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	758	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
648		779
649	#ifndef ECB_MEMORY_FENCE	780	#ifndef ECB_MEMORY_FENCE
650	#if ECB_GCC_VERSION(4,7)	781	#if ECB_GCC_VERSION(4,7)
651	/* see comment below (stdatomic.h) about the C11 memory model. */	782	/* see comment below (stdatomic.h) about the C11 memory model. */
652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	783	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		784	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		785	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		786	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
653		787
654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	788	#elif ECB_CLANG_EXTENSION(c_atomic)
655	* without risking compile time errors with other compilers. We *could*
656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
657	* around this shit time and again.
658	* #elif defined __clang && __has_feature (cxx_atomic)
659	* // see comment below (stdatomic.h) about the C11 memory model.	789	/* see comment below (stdatomic.h) about the C11 memory model. */
660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	790	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661	*/	791	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		792	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		793	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
662		794
663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	795	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664	#define ECB_MEMORY_FENCE __sync_synchronize ()	796	#define ECB_MEMORY_FENCE __sync_synchronize ()
		797	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		798	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		799	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		800	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		801	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		802	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
665	#elif _MSC_VER >= 1400 /* VC++ 2005 */	803	#elif _MSC_VER >= 1400 /* VC++ 2005 */
666	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	804	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
667	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	805	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
668	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	806	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
669	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	807	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
670	#elif defined _WIN32	808	#elif defined _WIN32
671	#include <WinNT.h>	809	#include <WinNT.h>
672	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	810	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
673	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	811	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
674	#include <mbarrier.h>	812	#include <mbarrier.h>
675	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	813	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
676	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	814	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
677	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	815	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		816	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
678	#elif __xlC__	817	#elif __xlC__
679	#define ECB_MEMORY_FENCE __sync ()	818	#define ECB_MEMORY_FENCE __sync ()
680	#endif	819	#endif
681	#endif	820	#endif
682		821
683	#ifndef ECB_MEMORY_FENCE	822	#ifndef ECB_MEMORY_FENCE
684	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	823	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
685	/* we assume that these memory fences work on all variables/all memory accesses, */	824	/* we assume that these memory fences work on all variables/all memory accesses, */
686	/* not just C11 atomics and atomic accesses */	825	/* not just C11 atomics and atomic accesses */
687	#include <stdatomic.h>	826	#include <stdatomic.h>
688	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
689	/* any fence other than seq_cst, which isn't very efficient for us. */
690	/* Why that is, we don't know - either the C11 memory model is quite useless */
691	/* for most usages, or gcc and clang have a bug */
692	/* I *currently* lean towards the latter, and inefficiently implement */
693	/* all three of ecb's fences as a seq_cst fence */
694	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	827	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		828	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		829	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
695	#endif	830	#endif
696	#endif	831	#endif
697		832
698	#ifndef ECB_MEMORY_FENCE	833	#ifndef ECB_MEMORY_FENCE
699	#if !ECB_AVOID_PTHREADS	834	#if !ECB_AVOID_PTHREADS
…		…
719		854
720	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	855	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
721	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	856	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
722	#endif	857	#endif
723		858
		859	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		860	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		861	#endif
		862
724	/*****************************************************************************/	863	/*****************************************************************************/
725		864
726	#if __cplusplus	865	#if ECB_CPP
727	#define ecb_inline static inline	866	#define ecb_inline static inline
728	#elif ECB_GCC_VERSION(2,5)	867	#elif ECB_GCC_VERSION(2,5)
729	#define ecb_inline static __inline__	868	#define ecb_inline static __inline__
730	#elif ECB_C99	869	#elif ECB_C99
731	#define ecb_inline static inline	870	#define ecb_inline static inline
…		…
745		884
746	#define ECB_CONCAT_(a, b) a ## b	885	#define ECB_CONCAT_(a, b) a ## b
747	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	886	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
748	#define ECB_STRINGIFY_(a) # a	887	#define ECB_STRINGIFY_(a) # a
749	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	888	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		889	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
750		890
751	#define ecb_function_ ecb_inline	891	#define ecb_function_ ecb_inline
752		892
753	#if ECB_GCC_VERSION(3,1)	893	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
754	#define ecb_attribute(attrlist) __attribute__(attrlist)	894	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		895	#else
		896	#define ecb_attribute(attrlist)
		897	#endif
		898
		899	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
755	#define ecb_is_constant(expr) __builtin_constant_p (expr)	900	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		901	#else
		902	/* possible C11 impl for integral types
		903	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		904	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		905
		906	#define ecb_is_constant(expr) 0
		907	#endif
		908
		909	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
756	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	910	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		911	#else
		912	#define ecb_expect(expr,value) (expr)
		913	#endif
		914
		915	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
757	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	916	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
758	#else	917	#else
759	#define ecb_attribute(attrlist)
760	#define ecb_is_constant(expr) 0
761	#define ecb_expect(expr,value) (expr)
762	#define ecb_prefetch(addr,rw,locality)	918	#define ecb_prefetch(addr,rw,locality)
763	#endif	919	#endif
764		920
765	/* no emulation for ecb_decltype */	921	/* no emulation for ecb_decltype */
766	#if ECB_GCC_VERSION(4,5)	922	#if ECB_CPP11
		923	// older implementations might have problems with decltype(x)::type, work around it
		924	template<class T> struct ecb_decltype_t { typedef T type; };
767	#define ecb_decltype(x) __decltype(x)	925	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
768	#elif ECB_GCC_VERSION(3,0)	926	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
769	#define ecb_decltype(x) __typeof(x)	927	#define ecb_decltype(x) __typeof__ (x)
770	#endif	928	#endif
771		929
		930	#if _MSC_VER >= 1300
		931	#define ecb_deprecated __declspec (deprecated)
		932	#else
		933	#define ecb_deprecated ecb_attribute ((__deprecated__))
		934	#endif
		935
		936	#if _MSC_VER >= 1500
		937	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		938	#elif ECB_GCC_VERSION(4,5)
		939	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		940	#else
		941	#define ecb_deprecated_message(msg) ecb_deprecated
		942	#endif
		943
		944	#if _MSC_VER >= 1400
		945	#define ecb_noinline __declspec (noinline)
		946	#else
772	#define ecb_noinline ecb_attribute ((__noinline__))	947	#define ecb_noinline ecb_attribute ((__noinline__))
		948	#endif
		949
773	#define ecb_unused ecb_attribute ((__unused__))	950	#define ecb_unused ecb_attribute ((__unused__))
774	#define ecb_const ecb_attribute ((__const__))	951	#define ecb_const ecb_attribute ((__const__))
775	#define ecb_pure ecb_attribute ((__pure__))	952	#define ecb_pure ecb_attribute ((__pure__))
776		953
777	#if ECB_C11	954	#if ECB_C11 || __IBMC_NORETURN
		955	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
778	#define ecb_noreturn _Noreturn	956	#define ecb_noreturn _Noreturn
		957	#elif ECB_CPP11
		958	#define ecb_noreturn [[noreturn]]
		959	#elif _MSC_VER >= 1200
		960	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		961	#define ecb_noreturn __declspec (noreturn)
779	#else	962	#else
780	#define ecb_noreturn ecb_attribute ((__noreturn__))	963	#define ecb_noreturn ecb_attribute ((__noreturn__))
781	#endif	964	#endif
782		965
783	#if ECB_GCC_VERSION(4,3)	966	#if ECB_GCC_VERSION(4,3)
…		…
798	/* for compatibility to the rest of the world */	981	/* for compatibility to the rest of the world */
799	#define ecb_likely(expr) ecb_expect_true (expr)	982	#define ecb_likely(expr) ecb_expect_true (expr)
800	#define ecb_unlikely(expr) ecb_expect_false (expr)	983	#define ecb_unlikely(expr) ecb_expect_false (expr)
801		984
802	/* count trailing zero bits and count # of one bits */	985	/* count trailing zero bits and count # of one bits */
803	#if ECB_GCC_VERSION(3,4)	986	#if ECB_GCC_VERSION(3,4) \
		987	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		988	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		989	&& ECB_CLANG_BUILTIN(__builtin_popcount))
804	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	990	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
805	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	991	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
806	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	992	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
807	#define ecb_ctz32(x) __builtin_ctz (x)	993	#define ecb_ctz32(x) __builtin_ctz (x)
808	#define ecb_ctz64(x) __builtin_ctzll (x)	994	#define ecb_ctz64(x) __builtin_ctzll (x)
809	#define ecb_popcount32(x) __builtin_popcount (x)	995	#define ecb_popcount32(x) __builtin_popcount (x)
810	/* no popcountll */	996	/* no popcountll */
811	#else	997	#else
812	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	998	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
813	ecb_function_ int	999	ecb_function_ ecb_const int
814	ecb_ctz32 (uint32_t x)	1000	ecb_ctz32 (uint32_t x)
815	{	1001	{
		1002	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1003	unsigned long r;
		1004	_BitScanForward (&r, x);
		1005	return (int)r;
		1006	#else
816	int r = 0;	1007	int r = 0;
817		1008
818	x &= ~x + 1; /* this isolates the lowest bit */	1009	x &= ~x + 1; /* this isolates the lowest bit */
819		1010
820	#if ECB_branchless_on_i386	1011	#if ECB_branchless_on_i386
…		…
830	if (x & 0xff00ff00) r += 8;	1021	if (x & 0xff00ff00) r += 8;
831	if (x & 0xffff0000) r += 16;	1022	if (x & 0xffff0000) r += 16;
832	#endif	1023	#endif
833		1024
834	return r;	1025	return r;
		1026	#endif
835	}	1027	}
836		1028
837	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1029	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
838	ecb_function_ int	1030	ecb_function_ ecb_const int
839	ecb_ctz64 (uint64_t x)	1031	ecb_ctz64 (uint64_t x)
840	{	1032	{
		1033	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1034	unsigned long r;
		1035	_BitScanForward64 (&r, x);
		1036	return (int)r;
		1037	#else
841	int shift = x & 0xffffffffU ? 0 : 32;	1038	int shift = x & 0xffffffff ? 0 : 32;
842	return ecb_ctz32 (x >> shift) + shift;	1039	return ecb_ctz32 (x >> shift) + shift;
		1040	#endif
843	}	1041	}
844		1042
845	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1043	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
846	ecb_function_ int	1044	ecb_function_ ecb_const int
847	ecb_popcount32 (uint32_t x)	1045	ecb_popcount32 (uint32_t x)
848	{	1046	{
849	x -= (x >> 1) & 0x55555555;	1047	x -= (x >> 1) & 0x55555555;
850	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1048	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
851	x = ((x >> 4) + x) & 0x0f0f0f0f;	1049	x = ((x >> 4) + x) & 0x0f0f0f0f;
852	x *= 0x01010101;	1050	x *= 0x01010101;
853		1051
854	return x >> 24;	1052	return x >> 24;
855	}	1053	}
856		1054
857	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1055	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
858	ecb_function_ int ecb_ld32 (uint32_t x)	1056	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
859	{	1057	{
		1058	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1059	unsigned long r;
		1060	_BitScanReverse (&r, x);
		1061	return (int)r;
		1062	#else
860	int r = 0;	1063	int r = 0;
861		1064
862	if (x >> 16) { x >>= 16; r += 16; }	1065	if (x >> 16) { x >>= 16; r += 16; }
863	if (x >> 8) { x >>= 8; r += 8; }	1066	if (x >> 8) { x >>= 8; r += 8; }
864	if (x >> 4) { x >>= 4; r += 4; }	1067	if (x >> 4) { x >>= 4; r += 4; }
865	if (x >> 2) { x >>= 2; r += 2; }	1068	if (x >> 2) { x >>= 2; r += 2; }
866	if (x >> 1) { r += 1; }	1069	if (x >> 1) { r += 1; }
867		1070
868	return r;	1071	return r;
		1072	#endif
869	}	1073	}
870		1074
871	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1075	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
872	ecb_function_ int ecb_ld64 (uint64_t x)	1076	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
873	{	1077	{
		1078	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1079	unsigned long r;
		1080	_BitScanReverse64 (&r, x);
		1081	return (int)r;
		1082	#else
874	int r = 0;	1083	int r = 0;
875		1084
876	if (x >> 32) { x >>= 32; r += 32; }	1085	if (x >> 32) { x >>= 32; r += 32; }
877		1086
878	return r + ecb_ld32 (x);	1087	return r + ecb_ld32 (x);
		1088	#endif
879	}	1089	}
880	#endif	1090	#endif
881		1091
882	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1092	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
883	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1093	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
884	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1094	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
885	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1095	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
886		1096
887	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1097	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
888	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1098	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
889	{	1099	{
890	return ( (x * 0x0802U & 0x22110U)	1100	return ( (x * 0x0802U & 0x22110U)
891	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1101	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
892	}	1102	}
893		1103
894	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1104	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
895	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1105	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
896	{	1106	{
897	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1107	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
898	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1108	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
899	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1109	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
900	x = ( x >> 8 ) | ( x << 8);	1110	x = ( x >> 8 ) | ( x << 8);
901		1111
902	return x;	1112	return x;
903	}	1113	}
904		1114
905	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1115	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
906	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1116	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
907	{	1117	{
908	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1118	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
909	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1119	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
910	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1120	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
911	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1121	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
914	return x;	1124	return x;
915	}	1125	}
916		1126
917	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1127	/* popcount64 is only available on 64 bit cpus as gcc builtin */
918	/* so for this version we are lazy */	1128	/* so for this version we are lazy */
919	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1129	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
920	ecb_function_ int	1130	ecb_function_ ecb_const int
921	ecb_popcount64 (uint64_t x)	1131	ecb_popcount64 (uint64_t x)
922	{	1132	{
923	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1133	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
924	}	1134	}
925		1135
926	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1136	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
927	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1137	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
928	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1138	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
929	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1139	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
930	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1140	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
931	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1141	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
932	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1142	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
933	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1143	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
934		1144
935	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1145	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
936	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1146	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
937	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1147	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
938	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1148	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
939	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1149	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
940	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1150	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
941	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1151	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
942	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1152	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
943		1153
944	#if ECB_GCC_VERSION(4,3)	1154	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1155	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1156	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1157	#else
945	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1158	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1159	#endif
946	#define ecb_bswap32(x) __builtin_bswap32 (x)	1160	#define ecb_bswap32(x) __builtin_bswap32 (x)
947	#define ecb_bswap64(x) __builtin_bswap64 (x)	1161	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1162	#elif _MSC_VER
		1163	#include <stdlib.h>
		1164	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1165	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1166	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
948	#else	1167	#else
949	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1168	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
950	ecb_function_ uint16_t	1169	ecb_function_ ecb_const uint16_t
951	ecb_bswap16 (uint16_t x)	1170	ecb_bswap16 (uint16_t x)
952	{	1171	{
953	return ecb_rotl16 (x, 8);	1172	return ecb_rotl16 (x, 8);
954	}	1173	}
955		1174
956	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1175	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
957	ecb_function_ uint32_t	1176	ecb_function_ ecb_const uint32_t
958	ecb_bswap32 (uint32_t x)	1177	ecb_bswap32 (uint32_t x)
959	{	1178	{
960	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1179	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
961	}	1180	}
962		1181
963	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1182	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
964	ecb_function_ uint64_t	1183	ecb_function_ ecb_const uint64_t
965	ecb_bswap64 (uint64_t x)	1184	ecb_bswap64 (uint64_t x)
966	{	1185	{
967	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1186	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
968	}	1187	}
969	#endif	1188	#endif
970		1189
971	#if ECB_GCC_VERSION(4,5)	1190	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
972	#define ecb_unreachable() __builtin_unreachable ()	1191	#define ecb_unreachable() __builtin_unreachable ()
973	#else	1192	#else
974	/* this seems to work fine, but gcc always emits a warning for it :/ */	1193	/* this seems to work fine, but gcc always emits a warning for it :/ */
975	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1194	ecb_inline ecb_noreturn void ecb_unreachable (void);
976	ecb_inline void ecb_unreachable (void) { }	1195	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
977	#endif	1196	#endif
978		1197
979	/* try to tell the compiler that some condition is definitely true */	1198	/* try to tell the compiler that some condition is definitely true */
980	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1199	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
981		1200
982	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1201	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
983	ecb_inline unsigned char	1202	ecb_inline ecb_const uint32_t
984	ecb_byteorder_helper (void)	1203	ecb_byteorder_helper (void)
985	{	1204	{
986	/* the union code still generates code under pressure in gcc, */	1205	/* the union code still generates code under pressure in gcc, */
987	/* but less than using pointers, and always seems to */	1206	/* but less than using pointers, and always seems to */
988	/* successfully return a constant. */	1207	/* successfully return a constant. */
989	/* the reason why we have this horrible preprocessor mess */	1208	/* the reason why we have this horrible preprocessor mess */
990	/* is to avoid it in all cases, at least on common architectures */	1209	/* is to avoid it in all cases, at least on common architectures */
991	/* or when using a recent enough gcc version (>= 4.6) */	1210	/* or when using a recent enough gcc version (>= 4.6) */
992	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
993	return 0x44;
994	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1211	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1212	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1213	#define ECB_LITTLE_ENDIAN 1
995	return 0x44;	1214	return 0x44332211;
996	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1215	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1216	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1217	#define ECB_BIG_ENDIAN 1
997	return 0x11;	1218	return 0x11223344;
998	#else	1219	#else
999	union	1220	union
1000	{	1221	{
		1222	uint8_t c[4];
1001	uint32_t i;	1223	uint32_t u;
1002	uint8_t c;
1003	} u = { 0x11223344 };	1224	} u = { 0x11, 0x22, 0x33, 0x44 };
1004	return u.c;	1225	return u.u;
1005	#endif	1226	#endif
1006	}	1227	}
1007		1228
1008	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1229	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1009	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1230	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1010	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1231	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1011	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1232	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1012		1233
1013	#if ECB_GCC_VERSION(3,0) || ECB_C99	1234	#if ECB_GCC_VERSION(3,0) || ECB_C99
1014	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1235	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1015	#else	1236	#else
1016	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1237	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1017	#endif	1238	#endif
1018		1239
1019	#if __cplusplus	1240	#if ECB_CPP
1020	template<typename T>	1241	template<typename T>
1021	static inline T ecb_div_rd (T val, T div)	1242	static inline T ecb_div_rd (T val, T div)
1022	{	1243	{
1023	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1244	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1024	}	1245	}
…		…
1041	}	1262	}
1042	#else	1263	#else
1043	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1264	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1044	#endif	1265	#endif
1045		1266
		1267	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1268	ecb_function_ ecb_const uint32_t
		1269	ecb_binary16_to_binary32 (uint32_t x)
		1270	{
		1271	unsigned int s = (x & 0x8000) << (31 - 15);
		1272	int e = (x >> 10) & 0x001f;
		1273	unsigned int m = x & 0x03ff;
		1274
		1275	if (ecb_expect_false (e == 31))
		1276	/* infinity or NaN */
		1277	e = 255 - (127 - 15);
		1278	else if (ecb_expect_false (!e))
		1279	{
		1280	if (ecb_expect_true (!m))
		1281	/* zero, handled by code below by forcing e to 0 */
		1282	e = 0 - (127 - 15);
		1283	else
		1284	{
		1285	/* subnormal, renormalise */
		1286	unsigned int s = 10 - ecb_ld32 (m);
		1287
		1288	m = (m << s) & 0x3ff; /* mask implicit bit */
		1289	e -= s - 1;
		1290	}
		1291	}
		1292
		1293	/* e and m now are normalised, or zero, (or inf or nan) */
		1294	e += 127 - 15;
		1295
		1296	return s | (e << 23) | (m << (23 - 10));
		1297	}
		1298
		1299	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1300	ecb_function_ ecb_const uint16_t
		1301	ecb_binary32_to_binary16 (uint32_t x)
		1302	{
		1303	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1304	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1305	unsigned int m = x & 0x007fffff;
		1306
		1307	x &= 0x7fffffff;
		1308
		1309	/* if it's within range of binary16 normals, use fast path */
		1310	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1311	{
		1312	/* mantissa round-to-even */
		1313	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1314
		1315	/* handle overflow */
		1316	if (ecb_expect_false (m >= 0x00800000))
		1317	{
		1318	m >>= 1;
		1319	e += 1;
		1320	}
		1321
		1322	return s | (e << 10) | (m >> (23 - 10));
		1323	}
		1324
		1325	/* handle large numbers and infinity */
		1326	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1327	return s | 0x7c00;
		1328
		1329	/* handle zero, subnormals and small numbers */
		1330	if (ecb_expect_true (x < 0x38800000))
		1331	{
		1332	/* zero */
		1333	if (ecb_expect_true (!x))
		1334	return s;
		1335
		1336	/* handle subnormals */
		1337
		1338	/* too small, will be zero */
		1339	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1340	return s;
		1341
		1342	m |= 0x00800000; /* make implicit bit explicit */
		1343
		1344	/* very tricky - we need to round to the nearest e (+10) bit value */
		1345	{
		1346	unsigned int bits = 14 - e;
		1347	unsigned int half = (1 << (bits - 1)) - 1;
		1348	unsigned int even = (m >> bits) & 1;
		1349
		1350	/* if this overflows, we will end up with a normalised number */
		1351	m = (m + half + even) >> bits;
		1352	}
		1353
		1354	return s | m;
		1355	}
		1356
		1357	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1358	m >>= 13;
		1359
		1360	return s | 0x7c00 | m | !m;
		1361	}
		1362
1046	/*******************************************************************************/	1363	/*******************************************************************************/
1047	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1364	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1048		1365
1049	/* basically, everything uses "ieee pure-endian" floating point numbers */	1366	/* basically, everything uses "ieee pure-endian" floating point numbers */
1050	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1367	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1051	#if 0 \	1368	#if 0 \
1052	|| __i386 || __i386__ \	1369	|| __i386 || __i386__ \
1053	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1370	|| ECB_GCC_AMD64 \
1054	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1371	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1055	|| defined __arm__ && defined __ARM_EABI__ \
1056	|| defined __s390__ || defined __s390x__ \	1372	|| defined __s390__ || defined __s390x__ \
1057	|| defined __mips__ \	1373	|| defined __mips__ \
1058	|| defined __alpha__ \	1374	|| defined __alpha__ \
1059	|| defined __hppa__ \	1375	|| defined __hppa__ \
1060	|| defined __ia64__ \	1376	|| defined __ia64__ \
1061	|| defined __m68k__ \	1377	|| defined __m68k__ \
1062	|| defined __m88k__ \	1378	|| defined __m88k__ \
1063	|| defined __sh__ \	1379	|| defined __sh__ \
1064	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1380	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1381	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1382	|| defined __aarch64__
1065	#define ECB_STDFP 1	1383	#define ECB_STDFP 1
1066	#include <string.h> /* for memcpy */	1384	#include <string.h> /* for memcpy */
1067	#else	1385	#else
1068	#define ECB_STDFP 0	1386	#define ECB_STDFP 0
1069	#endif	1387	#endif
1070		1388
1071	#ifndef ECB_NO_LIBM	1389	#ifndef ECB_NO_LIBM
1072		1390
1073	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */	1391	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1074		1392
		1393	/* only the oldest of old doesn't have this one. solaris. */
		1394	#ifdef INFINITY
		1395	#define ECB_INFINITY INFINITY
		1396	#else
		1397	#define ECB_INFINITY HUGE_VAL
		1398	#endif
		1399
1075	#ifdef NEN	1400	#ifdef NAN
1076	#define ECB_NAN NAN	1401	#define ECB_NAN NAN
1077	#else	1402	#else
1078	#define ECB_NAN INFINITY	1403	#define ECB_NAN ECB_INFINITY
1079	#endif	1404	#endif
1080		1405
1081	/* converts an ieee half/binary16 to a float */	1406	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1082	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1407	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1083	ecb_function_ float	1408	#define ecb_frexpf(x,e) frexpf ((x), (e))
1084	ecb_binary16_to_float (uint16_t x)	1409	#else
1085	{	1410	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1086	int e = (x >> 10) & 0x1f;	1411	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1087	int m = x & 0x3ff;	1412	#endif
1088	float r;
1089
1090	if (!e ) r = ldexpf (m , -24);
1091	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1092	else if (m ) r = ECB_NAN;
1093	else r = INFINITY;
1094
1095	return x & 0x8000 ? -r : r;
1096	}
1097		1413
1098	/* convert a float to ieee single/binary32 */	1414	/* convert a float to ieee single/binary32 */
1099	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1415	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1100	ecb_function_ uint32_t	1416	ecb_function_ ecb_const uint32_t
1101	ecb_float_to_binary32 (float x)	1417	ecb_float_to_binary32 (float x)
1102	{	1418	{
1103	uint32_t r;	1419	uint32_t r;
1104		1420
1105	#if ECB_STDFP	1421	#if ECB_STDFP
…		…
1112	if (x == 0e0f ) return 0x00000000U;	1428	if (x == 0e0f ) return 0x00000000U;
1113	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1429	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1114	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1430	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1115	if (x != x ) return 0x7fbfffffU;	1431	if (x != x ) return 0x7fbfffffU;
1116		1432
1117	m = frexpf (x, &e) * 0x1000000U;	1433	m = ecb_frexpf (x, &e) * 0x1000000U;
1118		1434
1119	r = m & 0x80000000U;	1435	r = m & 0x80000000U;
1120		1436
1121	if (r)	1437	if (r)
1122	m = -m;	1438	m = -m;
…		…
1134		1450
1135	return r;	1451	return r;
1136	}	1452	}
1137		1453
1138	/* converts an ieee single/binary32 to a float */	1454	/* converts an ieee single/binary32 to a float */
1139	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1455	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1140	ecb_function_ float	1456	ecb_function_ ecb_const float
1141	ecb_binary32_to_float (uint32_t x)	1457	ecb_binary32_to_float (uint32_t x)
1142	{	1458	{
1143	float r;	1459	float r;
1144		1460
1145	#if ECB_STDFP	1461	#if ECB_STDFP
…		…
1155	x |= 0x800000U;	1471	x |= 0x800000U;
1156	else	1472	else
1157	e = 1;	1473	e = 1;
1158		1474
1159	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1475	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1160	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1476	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1161		1477
1162	r = neg ? -r : r;	1478	r = neg ? -r : r;
1163	#endif	1479	#endif
1164		1480
1165	return r;	1481	return r;
1166	}	1482	}
1167		1483
1168	/* convert a double to ieee double/binary64 */	1484	/* convert a double to ieee double/binary64 */
1169	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1485	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1170	ecb_function_ uint64_t	1486	ecb_function_ ecb_const uint64_t
1171	ecb_double_to_binary64 (double x)	1487	ecb_double_to_binary64 (double x)
1172	{	1488	{
1173	uint64_t r;	1489	uint64_t r;
1174		1490
1175	#if ECB_STDFP	1491	#if ECB_STDFP
…		…
1204		1520
1205	return r;	1521	return r;
1206	}	1522	}
1207		1523
1208	/* converts an ieee double/binary64 to a double */	1524	/* converts an ieee double/binary64 to a double */
1209	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1525	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1210	ecb_function_ double	1526	ecb_function_ ecb_const double
1211	ecb_binary64_to_double (uint64_t x)	1527	ecb_binary64_to_double (uint64_t x)
1212	{	1528	{
1213	double r;	1529	double r;
1214		1530
1215	#if ECB_STDFP	1531	#if ECB_STDFP
…		…
1233	#endif	1549	#endif
1234		1550
1235	return r;	1551	return r;
1236	}	1552	}
1237		1553
		1554	/* convert a float to ieee half/binary16 */
		1555	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1556	ecb_function_ ecb_const uint16_t
		1557	ecb_float_to_binary16 (float x)
		1558	{
		1559	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1560	}
		1561
		1562	/* convert an ieee half/binary16 to float */
		1563	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1564	ecb_function_ ecb_const float
		1565	ecb_binary16_to_float (uint16_t x)
		1566	{
		1567	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1568	}
		1569
1238	#endif	1570	#endif
1239		1571
1240	#endif	1572	#endif
1241		1573
1242	/* ECB.H END */	1574	/* ECB.H END */
1243		1575
1244	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1576	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1245	/* if your architecture doesn't need memory fences, e.g. because it is	1577	/* if your architecture doesn't need memory fences, e.g. because it is
1246	* single-cpu/core, or if you use libev in a project that doesn't use libev	1578	* single-cpu/core, or if you use libev in a project that doesn't use libev
1247	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1579	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1248	* libev, in which cases the memory fences become nops.	1580	* libev, in which cases the memory fences become nops.
1249	* alternatively, you can remove this #error and link against libpthread,	1581	* alternatively, you can remove this #error and link against libpthread,
1250	* which will then provide the memory fences.	1582	* which will then provide the memory fences.
1251	*/	1583	*/
1252	# error "memory fences not defined for your architecture, please report"	1584	# error "memory fences not defined for your architecture, please report"
…		…
1256	# define ECB_MEMORY_FENCE do { } while (0)	1588	# define ECB_MEMORY_FENCE do { } while (0)
1257	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1589	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1258	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1590	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1259	#endif	1591	#endif
1260		1592
1261	#define expect_false(cond) ecb_expect_false (cond)
1262	#define expect_true(cond) ecb_expect_true (cond)
1263	#define noinline ecb_noinline
1264
1265	#define inline_size ecb_inline	1593	#define inline_size ecb_inline
1266		1594
1267	#if EV_FEATURE_CODE	1595	#if EV_FEATURE_CODE
1268	# define inline_speed ecb_inline	1596	# define inline_speed ecb_inline
1269	#else	1597	#else
1270	# define inline_speed static noinline	1598	# define inline_speed ecb_noinline static
1271	#endif	1599	#endif
		1600
		1601	/*****************************************************************************/
		1602	/* raw syscall wrappers */
		1603
		1604	#if EV_NEED_SYSCALL
		1605
		1606	#include <sys/syscall.h>
		1607
		1608	/*
		1609	* define some syscall wrappers for common architectures
		1610	* this is mostly for nice looks during debugging, not performance.
		1611	* our syscalls return < 0, not == -1, on error. which is good
		1612	* enough for linux aio.
		1613	* TODO: arm is also common nowadays, maybe even mips and x86
		1614	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1615	*/
		1616	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1617	/* the costly errno access probably kills this for size optimisation */
		1618
		1619	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1620	({ \
		1621	long res; \
		1622	register unsigned long r6 __asm__ ("r9" ); \
		1623	register unsigned long r5 __asm__ ("r8" ); \
		1624	register unsigned long r4 __asm__ ("r10"); \
		1625	register unsigned long r3 __asm__ ("rdx"); \
		1626	register unsigned long r2 __asm__ ("rsi"); \
		1627	register unsigned long r1 __asm__ ("rdi"); \
		1628	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1629	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1630	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1631	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1632	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1633	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1634	__asm__ __volatile__ ( \
		1635	"syscall\n\t" \
		1636	: "=a" (res) \
		1637	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1638	: "cc", "r11", "cx", "memory"); \
		1639	errno = -res; \
		1640	res; \
		1641	})
		1642
		1643	#endif
		1644
		1645	#ifdef ev_syscall
		1646	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1647	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1648	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1649	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1650	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1651	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1652	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1653	#else
		1654	#define ev_syscall0(nr) syscall (nr)
		1655	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1656	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1657	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1658	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1659	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1660	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1661	#endif
		1662
		1663	#endif
		1664
		1665	/*****************************************************************************/
1272		1666
1273	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1667	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1274		1668
1275	#if EV_MINPRI == EV_MAXPRI	1669	#if EV_MINPRI == EV_MAXPRI
1276	# define ABSPRI(w) (((W)w), 0)	1670	# define ABSPRI(w) (((W)w), 0)
1277	#else	1671	#else
1278	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1672	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1279	#endif	1673	#endif
1280		1674
1281	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1675	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1282	#define EMPTY2(a,b) /* used to suppress some warnings */
1283		1676
1284	typedef ev_watcher *W;	1677	typedef ev_watcher *W;
1285	typedef ev_watcher_list *WL;	1678	typedef ev_watcher_list *WL;
1286	typedef ev_watcher_time *WT;	1679	typedef ev_watcher_time *WT;
1287		1680
…		…
1312	# include "ev_win32.c"	1705	# include "ev_win32.c"
1313	#endif	1706	#endif
1314		1707
1315	/*****************************************************************************/	1708	/*****************************************************************************/
1316		1709
		1710	#if EV_USE_LINUXAIO
		1711	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1712	#endif
		1713
1317	/* define a suitable floor function (only used by periodics atm) */	1714	/* define a suitable floor function (only used by periodics atm) */
1318		1715
1319	#if EV_USE_FLOOR	1716	#if EV_USE_FLOOR
1320	# include <math.h>	1717	# include <math.h>
1321	# define ev_floor(v) floor (v)	1718	# define ev_floor(v) floor (v)
1322	#else	1719	#else
1323		1720
1324	#include <float.h>	1721	#include <float.h>
1325		1722
1326	/* a floor() replacement function, should be independent of ev_tstamp type */	1723	/* a floor() replacement function, should be independent of ev_tstamp type */
		1724	ecb_noinline
1327	static ev_tstamp noinline	1725	static ev_tstamp
1328	ev_floor (ev_tstamp v)	1726	ev_floor (ev_tstamp v)
1329	{	1727	{
1330	/* the choice of shift factor is not terribly important */	1728	/* the choice of shift factor is not terribly important */
1331	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1729	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1332	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1730	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1333	#else	1731	#else
1334	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1732	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1335	#endif	1733	#endif
1336		1734
		1735	/* special treatment for negative arguments */
		1736	if (ecb_expect_false (v < 0.))
		1737	{
		1738	ev_tstamp f = -ev_floor (-v);
		1739
		1740	return f - (f == v ? 0 : 1);
		1741	}
		1742
1337	/* argument too large for an unsigned long? */	1743	/* argument too large for an unsigned long? then reduce it */
1338	if (expect_false (v >= shift))	1744	if (ecb_expect_false (v >= shift))
1339	{	1745	{
1340	ev_tstamp f;	1746	ev_tstamp f;
1341		1747
1342	if (v == v - 1.)	1748	if (v == v - 1.)
1343	return v; /* very large number */	1749	return v; /* very large numbers are assumed to be integer */
1344		1750
1345	f = shift * ev_floor (v * (1. / shift));	1751	f = shift * ev_floor (v * (1. / shift));
1346	return f + ev_floor (v - f);	1752	return f + ev_floor (v - f);
1347	}	1753	}
1348		1754
1349	/* special treatment for negative args? */
1350	if (expect_false (v < 0.))
1351	{
1352	ev_tstamp f = -ev_floor (-v);
1353
1354	return f - (f == v ? 0 : 1);
1355	}
1356
1357	/* fits into an unsigned long */	1755	/* fits into an unsigned long */
1358	return (unsigned long)v;	1756	return (unsigned long)v;
1359	}	1757	}
1360		1758
1361	#endif	1759	#endif
…		…
1364		1762
1365	#ifdef __linux	1763	#ifdef __linux
1366	# include <sys/utsname.h>	1764	# include <sys/utsname.h>
1367	#endif	1765	#endif
1368		1766
1369	static unsigned int noinline ecb_cold	1767	ecb_noinline ecb_cold
		1768	static unsigned int
1370	ev_linux_version (void)	1769	ev_linux_version (void)
1371	{	1770	{
1372	#ifdef __linux	1771	#ifdef __linux
1373	unsigned int v = 0;	1772	unsigned int v = 0;
1374	struct utsname buf;	1773	struct utsname buf;
…		…
1403	}	1802	}
1404		1803
1405	/*****************************************************************************/	1804	/*****************************************************************************/
1406		1805
1407	#if EV_AVOID_STDIO	1806	#if EV_AVOID_STDIO
1408	static void noinline ecb_cold	1807	ecb_noinline ecb_cold
		1808	static void
1409	ev_printerr (const char *msg)	1809	ev_printerr (const char *msg)
1410	{	1810	{
1411	write (STDERR_FILENO, msg, strlen (msg));	1811	write (STDERR_FILENO, msg, strlen (msg));
1412	}	1812	}
1413	#endif	1813	#endif
1414		1814
1415	static void (*syserr_cb)(const char *msg) EV_THROW;	1815	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1416		1816
1417	void ecb_cold	1817	ecb_cold
		1818	void
1418	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1819	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1419	{	1820	{
1420	syserr_cb = cb;	1821	syserr_cb = cb;
1421	}	1822	}
1422		1823
1423	static void noinline ecb_cold	1824	ecb_noinline ecb_cold
		1825	static void
1424	ev_syserr (const char *msg)	1826	ev_syserr (const char *msg)
1425	{	1827	{
1426	if (!msg)	1828	if (!msg)
1427	msg = "(libev) system error";	1829	msg = "(libev) system error";
1428		1830
…		…
1441	abort ();	1843	abort ();
1442	}	1844	}
1443	}	1845	}
1444		1846
1445	static void *	1847	static void *
1446	ev_realloc_emul (void *ptr, long size) EV_THROW	1848	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1447	{	1849	{
1448	/* some systems, notably openbsd and darwin, fail to properly	1850	/* some systems, notably openbsd and darwin, fail to properly
1449	* implement realloc (x, 0) (as required by both ansi c-89 and	1851	* implement realloc (x, 0) (as required by both ansi c-89 and
1450	* the single unix specification, so work around them here.	1852	* the single unix specification, so work around them here.
1451	* recently, also (at least) fedora and debian started breaking it,	1853	* recently, also (at least) fedora and debian started breaking it,
…		…
1457		1859
1458	free (ptr);	1860	free (ptr);
1459	return 0;	1861	return 0;
1460	}	1862	}
1461		1863
1462	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1864	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1463		1865
1464	void ecb_cold	1866	ecb_cold
		1867	void
1465	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1868	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1466	{	1869	{
1467	alloc = cb;	1870	alloc = cb;
1468	}	1871	}
1469		1872
1470	inline_speed void *	1873	inline_speed void *
…		…
1497	typedef struct	1900	typedef struct
1498	{	1901	{
1499	WL head;	1902	WL head;
1500	unsigned char events; /* the events watched for */	1903	unsigned char events; /* the events watched for */
1501	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1904	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1502	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1905	unsigned char emask; /* some backends store the actual kernel mask in here */
1503	unsigned char unused;	1906	unsigned char eflags; /* flags field for use by backends */
1504	#if EV_USE_EPOLL	1907	#if EV_USE_EPOLL
1505	unsigned int egen; /* generation counter to counter epoll bugs */	1908	unsigned int egen; /* generation counter to counter epoll bugs */
1506	#endif	1909	#endif
1507	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1910	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1508	SOCKET handle;	1911	SOCKET handle;
…		…
1572	static int ev_default_loop_ptr;	1975	static int ev_default_loop_ptr;
1573		1976
1574	#endif	1977	#endif
1575		1978
1576	#if EV_FEATURE_API	1979	#if EV_FEATURE_API
1577	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1980	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1578	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1981	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1579	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1982	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1580	#else	1983	#else
1581	# define EV_RELEASE_CB (void)0	1984	# define EV_RELEASE_CB (void)0
1582	# define EV_ACQUIRE_CB (void)0	1985	# define EV_ACQUIRE_CB (void)0
1583	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1986	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1587		1990
1588	/*****************************************************************************/	1991	/*****************************************************************************/
1589		1992
1590	#ifndef EV_HAVE_EV_TIME	1993	#ifndef EV_HAVE_EV_TIME
1591	ev_tstamp	1994	ev_tstamp
1592	ev_time (void) EV_THROW	1995	ev_time (void) EV_NOEXCEPT
1593	{	1996	{
1594	#if EV_USE_REALTIME	1997	#if EV_USE_REALTIME
1595	if (expect_true (have_realtime))	1998	if (ecb_expect_true (have_realtime))
1596	{	1999	{
1597	struct timespec ts;	2000	struct timespec ts;
1598	clock_gettime (CLOCK_REALTIME, &ts);	2001	clock_gettime (CLOCK_REALTIME, &ts);
1599	return ts.tv_sec + ts.tv_nsec * 1e-9;	2002	return EV_TS_GET (ts);
1600	}	2003	}
1601	#endif	2004	#endif
1602		2005
1603	struct timeval tv;	2006	struct timeval tv;
1604	gettimeofday (&tv, 0);	2007	gettimeofday (&tv, 0);
1605	return tv.tv_sec + tv.tv_usec * 1e-6;	2008	return EV_TV_GET (tv);
1606	}	2009	}
1607	#endif	2010	#endif
1608		2011
1609	inline_size ev_tstamp	2012	inline_size ev_tstamp
1610	get_clock (void)	2013	get_clock (void)
1611	{	2014	{
1612	#if EV_USE_MONOTONIC	2015	#if EV_USE_MONOTONIC
1613	if (expect_true (have_monotonic))	2016	if (ecb_expect_true (have_monotonic))
1614	{	2017	{
1615	struct timespec ts;	2018	struct timespec ts;
1616	clock_gettime (CLOCK_MONOTONIC, &ts);	2019	clock_gettime (CLOCK_MONOTONIC, &ts);
1617	return ts.tv_sec + ts.tv_nsec * 1e-9;	2020	return EV_TS_GET (ts);
1618	}	2021	}
1619	#endif	2022	#endif
1620		2023
1621	return ev_time ();	2024	return ev_time ();
1622	}	2025	}
1623		2026
1624	#if EV_MULTIPLICITY	2027	#if EV_MULTIPLICITY
1625	ev_tstamp	2028	ev_tstamp
1626	ev_now (EV_P) EV_THROW	2029	ev_now (EV_P) EV_NOEXCEPT
1627	{	2030	{
1628	return ev_rt_now;	2031	return ev_rt_now;
1629	}	2032	}
1630	#endif	2033	#endif
1631		2034
1632	void	2035	void
1633	ev_sleep (ev_tstamp delay) EV_THROW	2036	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1634	{	2037	{
1635	if (delay > 0.)	2038	if (delay > 0.)
1636	{	2039	{
1637	#if EV_USE_NANOSLEEP	2040	#if EV_USE_NANOSLEEP
1638	struct timespec ts;	2041	struct timespec ts;
1639		2042
1640	EV_TS_SET (ts, delay);	2043	EV_TS_SET (ts, delay);
1641	nanosleep (&ts, 0);	2044	nanosleep (&ts, 0);
1642	#elif defined _WIN32	2045	#elif defined _WIN32
		2046	/* maybe this should round up, as ms is very low resolution */
		2047	/* compared to select (µs) or nanosleep (ns) */
1643	Sleep ((unsigned long)(delay * 1e3));	2048	Sleep ((unsigned long)(EV_TS_TO_MS (delay)));
1644	#else	2049	#else
1645	struct timeval tv;	2050	struct timeval tv;
1646		2051
1647	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2052	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1648	/* something not guaranteed by newer posix versions, but guaranteed */	2053	/* something not guaranteed by newer posix versions, but guaranteed */
…		…
1678	}	2083	}
1679		2084
1680	return ncur;	2085	return ncur;
1681	}	2086	}
1682		2087
1683	static void * noinline ecb_cold	2088	ecb_noinline ecb_cold
		2089	static void *
1684	array_realloc (int elem, void *base, int *cur, int cnt)	2090	array_realloc (int elem, void *base, int *cur, int cnt)
1685	{	2091	{
1686	*cur = array_nextsize (elem, *cur, cnt);	2092	*cur = array_nextsize (elem, *cur, cnt);
1687	return ev_realloc (base, elem * *cur);	2093	return ev_realloc (base, elem * *cur);
1688	}	2094	}
1689		2095
		2096	#define array_needsize_noinit(base,offset,count)
		2097
1690	#define array_init_zero(base,count) \	2098	#define array_needsize_zerofill(base,offset,count) \
1691	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2099	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1692		2100
1693	#define array_needsize(type,base,cur,cnt,init) \	2101	#define array_needsize(type,base,cur,cnt,init) \
1694	if (expect_false ((cnt) > (cur))) \	2102	if (ecb_expect_false ((cnt) > (cur))) \
1695	{ \	2103	{ \
1696	int ecb_unused ocur_ = (cur); \	2104	ecb_unused int ocur_ = (cur); \
1697	(base) = (type *)array_realloc \	2105	(base) = (type *)array_realloc \
1698	(sizeof (type), (base), &(cur), (cnt)); \	2106	(sizeof (type), (base), &(cur), (cnt)); \
1699	init ((base) + (ocur_), (cur) - ocur_); \	2107	init ((base), ocur_, ((cur) - ocur_)); \
1700	}	2108	}
1701		2109
1702	#if 0	2110	#if 0
1703	#define array_slim(type,stem) \	2111	#define array_slim(type,stem) \
1704	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2112	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1713	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2121	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1714		2122
1715	/*****************************************************************************/	2123	/*****************************************************************************/
1716		2124
1717	/* dummy callback for pending events */	2125	/* dummy callback for pending events */
1718	static void noinline	2126	ecb_noinline
		2127	static void
1719	pendingcb (EV_P_ ev_prepare *w, int revents)	2128	pendingcb (EV_P_ ev_prepare *w, int revents)
1720	{	2129	{
1721	}	2130	}
1722		2131
1723	void noinline	2132	ecb_noinline
		2133	void
1724	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2134	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1725	{	2135	{
1726	W w_ = (W)w;	2136	W w_ = (W)w;
1727	int pri = ABSPRI (w_);	2137	int pri = ABSPRI (w_);
1728		2138
1729	if (expect_false (w_->pending))	2139	if (ecb_expect_false (w_->pending))
1730	pendings [pri][w_->pending - 1].events |= revents;	2140	pendings [pri][w_->pending - 1].events |= revents;
1731	else	2141	else
1732	{	2142	{
1733	w_->pending = ++pendingcnt [pri];	2143	w_->pending = ++pendingcnt [pri];
1734	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2144	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1735	pendings [pri][w_->pending - 1].w = w_;	2145	pendings [pri][w_->pending - 1].w = w_;
1736	pendings [pri][w_->pending - 1].events = revents;	2146	pendings [pri][w_->pending - 1].events = revents;
1737	}	2147	}
1738		2148
1739	pendingpri = NUMPRI - 1;	2149	pendingpri = NUMPRI - 1;
1740	}	2150	}
1741		2151
1742	inline_speed void	2152	inline_speed void
1743	feed_reverse (EV_P_ W w)	2153	feed_reverse (EV_P_ W w)
1744	{	2154	{
1745	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2155	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1746	rfeeds [rfeedcnt++] = w;	2156	rfeeds [rfeedcnt++] = w;
1747	}	2157	}
1748		2158
1749	inline_size void	2159	inline_size void
1750	feed_reverse_done (EV_P_ int revents)	2160	feed_reverse_done (EV_P_ int revents)
…		…
1785	inline_speed void	2195	inline_speed void
1786	fd_event (EV_P_ int fd, int revents)	2196	fd_event (EV_P_ int fd, int revents)
1787	{	2197	{
1788	ANFD *anfd = anfds + fd;	2198	ANFD *anfd = anfds + fd;
1789		2199
1790	if (expect_true (!anfd->reify))	2200	if (ecb_expect_true (!anfd->reify))
1791	fd_event_nocheck (EV_A_ fd, revents);	2201	fd_event_nocheck (EV_A_ fd, revents);
1792	}	2202	}
1793		2203
1794	void	2204	void
1795	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2205	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1796	{	2206	{
1797	if (fd >= 0 && fd < anfdmax)	2207	if (fd >= 0 && fd < anfdmax)
1798	fd_event_nocheck (EV_A_ fd, revents);	2208	fd_event_nocheck (EV_A_ fd, revents);
1799	}	2209	}
1800		2210
…		…
1837	ev_io *w;	2247	ev_io *w;
1838		2248
1839	unsigned char o_events = anfd->events;	2249	unsigned char o_events = anfd->events;
1840	unsigned char o_reify = anfd->reify;	2250	unsigned char o_reify = anfd->reify;
1841		2251
1842	anfd->reify = 0;	2252	anfd->reify = 0;
1843		2253
1844	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2254	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1845	{	2255	{
1846	anfd->events = 0;	2256	anfd->events = 0;
1847		2257
1848	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2258	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1849	anfd->events |= (unsigned char)w->events;	2259	anfd->events |= (unsigned char)w->events;
…		…
1858		2268
1859	fdchangecnt = 0;	2269	fdchangecnt = 0;
1860	}	2270	}
1861		2271
1862	/* something about the given fd changed */	2272	/* something about the given fd changed */
1863	inline_size void	2273	inline_size
		2274	void
1864	fd_change (EV_P_ int fd, int flags)	2275	fd_change (EV_P_ int fd, int flags)
1865	{	2276	{
1866	unsigned char reify = anfds [fd].reify;	2277	unsigned char reify = anfds [fd].reify;
1867	anfds [fd].reify |= flags;	2278	anfds [fd].reify |= flags;
1868		2279
1869	if (expect_true (!reify))	2280	if (ecb_expect_true (!reify))
1870	{	2281	{
1871	++fdchangecnt;	2282	++fdchangecnt;
1872	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2283	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1873	fdchanges [fdchangecnt - 1] = fd;	2284	fdchanges [fdchangecnt - 1] = fd;
1874	}	2285	}
1875	}	2286	}
1876		2287
1877	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2288	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1878	inline_speed void ecb_cold	2289	inline_speed ecb_cold void
1879	fd_kill (EV_P_ int fd)	2290	fd_kill (EV_P_ int fd)
1880	{	2291	{
1881	ev_io *w;	2292	ev_io *w;
1882		2293
1883	while ((w = (ev_io *)anfds [fd].head))	2294	while ((w = (ev_io *)anfds [fd].head))
…		…
1886	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2297	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1887	}	2298	}
1888	}	2299	}
1889		2300
1890	/* check whether the given fd is actually valid, for error recovery */	2301	/* check whether the given fd is actually valid, for error recovery */
1891	inline_size int ecb_cold	2302	inline_size ecb_cold int
1892	fd_valid (int fd)	2303	fd_valid (int fd)
1893	{	2304	{
1894	#ifdef _WIN32	2305	#ifdef _WIN32
1895	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2306	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1896	#else	2307	#else
1897	return fcntl (fd, F_GETFD) != -1;	2308	return fcntl (fd, F_GETFD) != -1;
1898	#endif	2309	#endif
1899	}	2310	}
1900		2311
1901	/* called on EBADF to verify fds */	2312	/* called on EBADF to verify fds */
1902	static void noinline ecb_cold	2313	ecb_noinline ecb_cold
		2314	static void
1903	fd_ebadf (EV_P)	2315	fd_ebadf (EV_P)
1904	{	2316	{
1905	int fd;	2317	int fd;
1906		2318
1907	for (fd = 0; fd < anfdmax; ++fd)	2319	for (fd = 0; fd < anfdmax; ++fd)
…		…
1909	if (!fd_valid (fd) && errno == EBADF)	2321	if (!fd_valid (fd) && errno == EBADF)
1910	fd_kill (EV_A_ fd);	2322	fd_kill (EV_A_ fd);
1911	}	2323	}
1912		2324
1913	/* called on ENOMEM in select/poll to kill some fds and retry */	2325	/* called on ENOMEM in select/poll to kill some fds and retry */
1914	static void noinline ecb_cold	2326	ecb_noinline ecb_cold
		2327	static void
1915	fd_enomem (EV_P)	2328	fd_enomem (EV_P)
1916	{	2329	{
1917	int fd;	2330	int fd;
1918		2331
1919	for (fd = anfdmax; fd--; )	2332	for (fd = anfdmax; fd--; )
…		…
1923	break;	2336	break;
1924	}	2337	}
1925	}	2338	}
1926		2339
1927	/* usually called after fork if backend needs to re-arm all fds from scratch */	2340	/* usually called after fork if backend needs to re-arm all fds from scratch */
1928	static void noinline	2341	ecb_noinline
		2342	static void
1929	fd_rearm_all (EV_P)	2343	fd_rearm_all (EV_P)
1930	{	2344	{
1931	int fd;	2345	int fd;
1932		2346
1933	for (fd = 0; fd < anfdmax; ++fd)	2347	for (fd = 0; fd < anfdmax; ++fd)
…		…
1986	ev_tstamp minat;	2400	ev_tstamp minat;
1987	ANHE *minpos;	2401	ANHE *minpos;
1988	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2402	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
1989		2403
1990	/* find minimum child */	2404	/* find minimum child */
1991	if (expect_true (pos + DHEAP - 1 < E))	2405	if (ecb_expect_true (pos + DHEAP - 1 < E))
1992	{	2406	{
1993	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2407	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
1994	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2408	if ( minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
1995	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2409	if ( minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
1996	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2410	if ( minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
1997	}	2411	}
1998	else if (pos < E)	2412	else if (pos < E)
1999	{	2413	{
2000	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2414	/* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2001	if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2415	if (pos + 1 < E && minat > ANHE_at (pos [1])) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2002	if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2416	if (pos + 2 < E && minat > ANHE_at (pos [2])) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2003	if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2417	if (pos + 3 < E && minat > ANHE_at (pos [3])) (minpos = pos + 3), (minat = ANHE_at (*minpos));
2004	}	2418	}
2005	else	2419	else
2006	break;	2420	break;
2007		2421
2008	if (ANHE_at (he) <= minat)	2422	if (ANHE_at (he) <= minat)
…		…
2016		2430
2017	heap [k] = he;	2431	heap [k] = he;
2018	ev_active (ANHE_w (he)) = k;	2432	ev_active (ANHE_w (he)) = k;
2019	}	2433	}
2020		2434
2021	#else /* 4HEAP */	2435	#else /* not 4HEAP */
2022		2436
2023	#define HEAP0 1	2437	#define HEAP0 1
2024	#define HPARENT(k) ((k) >> 1)	2438	#define HPARENT(k) ((k) >> 1)
2025	#define UPHEAP_DONE(p,k) (!(p))	2439	#define UPHEAP_DONE(p,k) (!(p))
2026		2440
…		…
2114		2528
2115	/*****************************************************************************/	2529	/*****************************************************************************/
2116		2530
2117	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2531	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2118		2532
2119	static void noinline ecb_cold	2533	ecb_noinline ecb_cold
		2534	static void
2120	evpipe_init (EV_P)	2535	evpipe_init (EV_P)
2121	{	2536	{
2122	if (!ev_is_active (&pipe_w))	2537	if (!ev_is_active (&pipe_w))
2123	{	2538	{
2124	int fds [2];	2539	int fds [2];
…		…
2164	inline_speed void	2579	inline_speed void
2165	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2580	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2166	{	2581	{
2167	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2582	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2168		2583
2169	if (expect_true (*flag))	2584	if (ecb_expect_true (*flag))
2170	return;	2585	return;
2171		2586
2172	*flag = 1;	2587	*flag = 1;
2173	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2588	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2174		2589
…		…
2195	#endif	2610	#endif
2196	{	2611	{
2197	#ifdef _WIN32	2612	#ifdef _WIN32
2198	WSABUF buf;	2613	WSABUF buf;
2199	DWORD sent;	2614	DWORD sent;
2200	buf.buf = &buf;	2615	buf.buf = (char *)&buf;
2201	buf.len = 1;	2616	buf.len = 1;
2202	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2617	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2203	#else	2618	#else
2204	write (evpipe [1], &(evpipe [1]), 1);	2619	write (evpipe [1], &(evpipe [1]), 1);
2205	#endif	2620	#endif
…		…
2251	sig_pending = 0;	2666	sig_pending = 0;
2252		2667
2253	ECB_MEMORY_FENCE;	2668	ECB_MEMORY_FENCE;
2254		2669
2255	for (i = EV_NSIG - 1; i--; )	2670	for (i = EV_NSIG - 1; i--; )
2256	if (expect_false (signals [i].pending))	2671	if (ecb_expect_false (signals [i].pending))
2257	ev_feed_signal_event (EV_A_ i + 1);	2672	ev_feed_signal_event (EV_A_ i + 1);
2258	}	2673	}
2259	#endif	2674	#endif
2260		2675
2261	#if EV_ASYNC_ENABLE	2676	#if EV_ASYNC_ENABLE
…		…
2277	}	2692	}
2278		2693
2279	/*****************************************************************************/	2694	/*****************************************************************************/
2280		2695
2281	void	2696	void
2282	ev_feed_signal (int signum) EV_THROW	2697	ev_feed_signal (int signum) EV_NOEXCEPT
2283	{	2698	{
2284	#if EV_MULTIPLICITY	2699	#if EV_MULTIPLICITY
2285	EV_P;	2700	EV_P;
2286	ECB_MEMORY_FENCE_ACQUIRE;	2701	ECB_MEMORY_FENCE_ACQUIRE;
2287	EV_A = signals [signum - 1].loop;	2702	EV_A = signals [signum - 1].loop;
…		…
2302	#endif	2717	#endif
2303		2718
2304	ev_feed_signal (signum);	2719	ev_feed_signal (signum);
2305	}	2720	}
2306		2721
2307	void noinline	2722	ecb_noinline
		2723	void
2308	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2724	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2309	{	2725	{
2310	WL w;	2726	WL w;
2311		2727
2312	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2728	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2313	return;	2729	return;
2314		2730
2315	--signum;	2731	--signum;
2316		2732
2317	#if EV_MULTIPLICITY	2733	#if EV_MULTIPLICITY
2318	/* it is permissible to try to feed a signal to the wrong loop */	2734	/* it is permissible to try to feed a signal to the wrong loop */
2319	/* or, likely more useful, feeding a signal nobody is waiting for */	2735	/* or, likely more useful, feeding a signal nobody is waiting for */
2320		2736
2321	if (expect_false (signals [signum].loop != EV_A))	2737	if (ecb_expect_false (signals [signum].loop != EV_A))
2322	return;	2738	return;
2323	#endif	2739	#endif
2324		2740
2325	signals [signum].pending = 0;	2741	signals [signum].pending = 0;
2326	ECB_MEMORY_FENCE_RELEASE;	2742	ECB_MEMORY_FENCE_RELEASE;
…		…
2422	# include "ev_kqueue.c"	2838	# include "ev_kqueue.c"
2423	#endif	2839	#endif
2424	#if EV_USE_EPOLL	2840	#if EV_USE_EPOLL
2425	# include "ev_epoll.c"	2841	# include "ev_epoll.c"
2426	#endif	2842	#endif
		2843	#if EV_USE_LINUXAIO
		2844	# include "ev_linuxaio.c"
		2845	#endif
		2846	#if EV_USE_IOURING
		2847	# include "ev_iouring.c"
		2848	#endif
2427	#if EV_USE_POLL	2849	#if EV_USE_POLL
2428	# include "ev_poll.c"	2850	# include "ev_poll.c"
2429	#endif	2851	#endif
2430	#if EV_USE_SELECT	2852	#if EV_USE_SELECT
2431	# include "ev_select.c"	2853	# include "ev_select.c"
2432	#endif	2854	#endif
2433		2855
2434	int ecb_cold	2856	ecb_cold int
2435	ev_version_major (void) EV_THROW	2857	ev_version_major (void) EV_NOEXCEPT
2436	{	2858	{
2437	return EV_VERSION_MAJOR;	2859	return EV_VERSION_MAJOR;
2438	}	2860	}
2439		2861
2440	int ecb_cold	2862	ecb_cold int
2441	ev_version_minor (void) EV_THROW	2863	ev_version_minor (void) EV_NOEXCEPT
2442	{	2864	{
2443	return EV_VERSION_MINOR;	2865	return EV_VERSION_MINOR;
2444	}	2866	}
2445		2867
2446	/* return true if we are running with elevated privileges and should ignore env variables */	2868	/* return true if we are running with elevated privileges and should ignore env variables */
2447	int inline_size ecb_cold	2869	inline_size ecb_cold int
2448	enable_secure (void)	2870	enable_secure (void)
2449	{	2871	{
2450	#ifdef _WIN32	2872	#ifdef _WIN32
2451	return 0;	2873	return 0;
2452	#else	2874	#else
2453	return getuid () != geteuid ()	2875	return getuid () != geteuid ()
2454	|| getgid () != getegid ();	2876	|| getgid () != getegid ();
2455	#endif	2877	#endif
2456	}	2878	}
2457		2879
2458	unsigned int ecb_cold	2880	ecb_cold
		2881	unsigned int
2459	ev_supported_backends (void) EV_THROW	2882	ev_supported_backends (void) EV_NOEXCEPT
2460	{	2883	{
2461	unsigned int flags = 0;	2884	unsigned int flags = 0;
2462		2885
2463	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2886	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2464	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2887	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2465	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2888	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2889	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2890	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2466	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2891	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2467	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2892	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2468		2893
2469	return flags;	2894	return flags;
2470	}	2895	}
2471		2896
2472	unsigned int ecb_cold	2897	ecb_cold
		2898	unsigned int
2473	ev_recommended_backends (void) EV_THROW	2899	ev_recommended_backends (void) EV_NOEXCEPT
2474	{	2900	{
2475	unsigned int flags = ev_supported_backends ();	2901	unsigned int flags = ev_supported_backends ();
2476		2902
2477	#ifndef __NetBSD__	2903	#ifndef __NetBSD__
2478	/* kqueue is borked on everything but netbsd apparently */	2904	/* kqueue is borked on everything but netbsd apparently */
…		…
2486	#endif	2912	#endif
2487	#ifdef __FreeBSD__	2913	#ifdef __FreeBSD__
2488	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2914	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2489	#endif	2915	#endif
2490		2916
		2917	/* TODO: linuxaio is very experimental */
		2918	#if !EV_RECOMMEND_LINUXAIO
		2919	flags &= ~EVBACKEND_LINUXAIO;
		2920	#endif
		2921	/* TODO: linuxaio is super experimental */
		2922	#if !EV_RECOMMEND_IOURING
		2923	flags &= ~EVBACKEND_IOURING;
		2924	#endif
		2925
2491	return flags;	2926	return flags;
2492	}	2927	}
2493		2928
2494	unsigned int ecb_cold	2929	ecb_cold
		2930	unsigned int
2495	ev_embeddable_backends (void) EV_THROW	2931	ev_embeddable_backends (void) EV_NOEXCEPT
2496	{	2932	{
2497	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2933	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2498		2934
2499	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2935	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2500	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2936	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2501	flags &= ~EVBACKEND_EPOLL;	2937	flags &= ~EVBACKEND_EPOLL;
2502		2938
		2939	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2940
		2941	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2942	* because our backend_fd is the epoll fd we need as fallback.
		2943	* if the kernel ever is fixed, this might change...
		2944	*/
		2945
2503	return flags;	2946	return flags;
2504	}	2947	}
2505		2948
2506	unsigned int	2949	unsigned int
2507	ev_backend (EV_P) EV_THROW	2950	ev_backend (EV_P) EV_NOEXCEPT
2508	{	2951	{
2509	return backend;	2952	return backend;
2510	}	2953	}
2511		2954
2512	#if EV_FEATURE_API	2955	#if EV_FEATURE_API
2513	unsigned int	2956	unsigned int
2514	ev_iteration (EV_P) EV_THROW	2957	ev_iteration (EV_P) EV_NOEXCEPT
2515	{	2958	{
2516	return loop_count;	2959	return loop_count;
2517	}	2960	}
2518		2961
2519	unsigned int	2962	unsigned int
2520	ev_depth (EV_P) EV_THROW	2963	ev_depth (EV_P) EV_NOEXCEPT
2521	{	2964	{
2522	return loop_depth;	2965	return loop_depth;
2523	}	2966	}
2524		2967
2525	void	2968	void
2526	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2969	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2527	{	2970	{
2528	io_blocktime = interval;	2971	io_blocktime = interval;
2529	}	2972	}
2530		2973
2531	void	2974	void
2532	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2975	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2533	{	2976	{
2534	timeout_blocktime = interval;	2977	timeout_blocktime = interval;
2535	}	2978	}
2536		2979
2537	void	2980	void
2538	ev_set_userdata (EV_P_ void *data) EV_THROW	2981	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2539	{	2982	{
2540	userdata = data;	2983	userdata = data;
2541	}	2984	}
2542		2985
2543	void *	2986	void *
2544	ev_userdata (EV_P) EV_THROW	2987	ev_userdata (EV_P) EV_NOEXCEPT
2545	{	2988	{
2546	return userdata;	2989	return userdata;
2547	}	2990	}
2548		2991
2549	void	2992	void
2550	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2993	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2551	{	2994	{
2552	invoke_cb = invoke_pending_cb;	2995	invoke_cb = invoke_pending_cb;
2553	}	2996	}
2554		2997
2555	void	2998	void
2556	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2999	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2557	{	3000	{
2558	release_cb = release;	3001	release_cb = release;
2559	acquire_cb = acquire;	3002	acquire_cb = acquire;
2560	}	3003	}
2561	#endif	3004	#endif
2562		3005
2563	/* initialise a loop structure, must be zero-initialised */	3006	/* initialise a loop structure, must be zero-initialised */
2564	static void noinline ecb_cold	3007	ecb_noinline ecb_cold
		3008	static void
2565	loop_init (EV_P_ unsigned int flags) EV_THROW	3009	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2566	{	3010	{
2567	if (!backend)	3011	if (!backend)
2568	{	3012	{
2569	origflags = flags;	3013	origflags = flags;
2570		3014
…		…
2628		3072
2629	if (!(flags & EVBACKEND_MASK))	3073	if (!(flags & EVBACKEND_MASK))
2630	flags |= ev_recommended_backends ();	3074	flags |= ev_recommended_backends ();
2631		3075
2632	#if EV_USE_IOCP	3076	#if EV_USE_IOCP
2633	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3077	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2634	#endif	3078	#endif
2635	#if EV_USE_PORT	3079	#if EV_USE_PORT
2636	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3080	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2637	#endif	3081	#endif
2638	#if EV_USE_KQUEUE	3082	#if EV_USE_KQUEUE
2639	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3083	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3084	#endif
		3085	#if EV_USE_IOURING
		3086	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3087	#endif
		3088	#if EV_USE_LINUXAIO
		3089	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2640	#endif	3090	#endif
2641	#if EV_USE_EPOLL	3091	#if EV_USE_EPOLL
2642	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3092	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2643	#endif	3093	#endif
2644	#if EV_USE_POLL	3094	#if EV_USE_POLL
2645	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3095	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2646	#endif	3096	#endif
2647	#if EV_USE_SELECT	3097	#if EV_USE_SELECT
2648	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3098	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2649	#endif	3099	#endif
2650		3100
2651	ev_prepare_init (&pending_w, pendingcb);	3101	ev_prepare_init (&pending_w, pendingcb);
2652		3102
2653	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3103	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2656	#endif	3106	#endif
2657	}	3107	}
2658	}	3108	}
2659		3109
2660	/* free up a loop structure */	3110	/* free up a loop structure */
2661	void ecb_cold	3111	ecb_cold
		3112	void
2662	ev_loop_destroy (EV_P)	3113	ev_loop_destroy (EV_P)
2663	{	3114	{
2664	int i;	3115	int i;
2665		3116
2666	#if EV_MULTIPLICITY	3117	#if EV_MULTIPLICITY
…		…
2669	return;	3120	return;
2670	#endif	3121	#endif
2671		3122
2672	#if EV_CLEANUP_ENABLE	3123	#if EV_CLEANUP_ENABLE
2673	/* queue cleanup watchers (and execute them) */	3124	/* queue cleanup watchers (and execute them) */
2674	if (expect_false (cleanupcnt))	3125	if (ecb_expect_false (cleanupcnt))
2675	{	3126	{
2676	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3127	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2677	EV_INVOKE_PENDING;	3128	EV_INVOKE_PENDING;
2678	}	3129	}
2679	#endif	3130	#endif
…		…
2707		3158
2708	if (backend_fd >= 0)	3159	if (backend_fd >= 0)
2709	close (backend_fd);	3160	close (backend_fd);
2710		3161
2711	#if EV_USE_IOCP	3162	#if EV_USE_IOCP
2712	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3163	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2713	#endif	3164	#endif
2714	#if EV_USE_PORT	3165	#if EV_USE_PORT
2715	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3166	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2716	#endif	3167	#endif
2717	#if EV_USE_KQUEUE	3168	#if EV_USE_KQUEUE
2718	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3169	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3170	#endif
		3171	#if EV_USE_IOURING
		3172	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3173	#endif
		3174	#if EV_USE_LINUXAIO
		3175	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2719	#endif	3176	#endif
2720	#if EV_USE_EPOLL	3177	#if EV_USE_EPOLL
2721	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3178	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2722	#endif	3179	#endif
2723	#if EV_USE_POLL	3180	#if EV_USE_POLL
2724	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3181	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2725	#endif	3182	#endif
2726	#if EV_USE_SELECT	3183	#if EV_USE_SELECT
2727	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3184	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2728	#endif	3185	#endif
2729		3186
2730	for (i = NUMPRI; i--; )	3187	for (i = NUMPRI; i--; )
2731	{	3188	{
2732	array_free (pending, [i]);	3189	array_free (pending, [i]);
…		…
2774		3231
2775	inline_size void	3232	inline_size void
2776	loop_fork (EV_P)	3233	loop_fork (EV_P)
2777	{	3234	{
2778	#if EV_USE_PORT	3235	#if EV_USE_PORT
2779	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3236	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2780	#endif	3237	#endif
2781	#if EV_USE_KQUEUE	3238	#if EV_USE_KQUEUE
2782	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3239	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3240	#endif
		3241	#if EV_USE_IOURING
		3242	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3243	#endif
		3244	#if EV_USE_LINUXAIO
		3245	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2783	#endif	3246	#endif
2784	#if EV_USE_EPOLL	3247	#if EV_USE_EPOLL
2785	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3248	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2786	#endif	3249	#endif
2787	#if EV_USE_INOTIFY	3250	#if EV_USE_INOTIFY
2788	infy_fork (EV_A);	3251	infy_fork (EV_A);
2789	#endif	3252	#endif
2790		3253
2791	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3254	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2792	if (ev_is_active (&pipe_w))	3255	if (ev_is_active (&pipe_w) && postfork != 2)
2793	{	3256	{
2794	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3257	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2795		3258
2796	ev_ref (EV_A);	3259	ev_ref (EV_A);
2797	ev_io_stop (EV_A_ &pipe_w);	3260	ev_io_stop (EV_A_ &pipe_w);
…		…
2808	postfork = 0;	3271	postfork = 0;
2809	}	3272	}
2810		3273
2811	#if EV_MULTIPLICITY	3274	#if EV_MULTIPLICITY
2812		3275
		3276	ecb_cold
2813	struct ev_loop * ecb_cold	3277	struct ev_loop *
2814	ev_loop_new (unsigned int flags) EV_THROW	3278	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2815	{	3279	{
2816	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3280	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2817		3281
2818	memset (EV_A, 0, sizeof (struct ev_loop));	3282	memset (EV_A, 0, sizeof (struct ev_loop));
2819	loop_init (EV_A_ flags);	3283	loop_init (EV_A_ flags);
…		…
2826	}	3290	}
2827		3291
2828	#endif /* multiplicity */	3292	#endif /* multiplicity */
2829		3293
2830	#if EV_VERIFY	3294	#if EV_VERIFY
2831	static void noinline ecb_cold	3295	ecb_noinline ecb_cold
		3296	static void
2832	verify_watcher (EV_P_ W w)	3297	verify_watcher (EV_P_ W w)
2833	{	3298	{
2834	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3299	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2835		3300
2836	if (w->pending)	3301	if (w->pending)
2837	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3302	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2838	}	3303	}
2839		3304
2840	static void noinline ecb_cold	3305	ecb_noinline ecb_cold
		3306	static void
2841	verify_heap (EV_P_ ANHE *heap, int N)	3307	verify_heap (EV_P_ ANHE *heap, int N)
2842	{	3308	{
2843	int i;	3309	int i;
2844		3310
2845	for (i = HEAP0; i < N + HEAP0; ++i)	3311	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2850		3316
2851	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3317	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2852	}	3318	}
2853	}	3319	}
2854		3320
2855	static void noinline ecb_cold	3321	ecb_noinline ecb_cold
		3322	static void
2856	array_verify (EV_P_ W *ws, int cnt)	3323	array_verify (EV_P_ W *ws, int cnt)
2857	{	3324	{
2858	while (cnt--)	3325	while (cnt--)
2859	{	3326	{
2860	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3327	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2863	}	3330	}
2864	#endif	3331	#endif
2865		3332
2866	#if EV_FEATURE_API	3333	#if EV_FEATURE_API
2867	void ecb_cold	3334	void ecb_cold
2868	ev_verify (EV_P) EV_THROW	3335	ev_verify (EV_P) EV_NOEXCEPT
2869	{	3336	{
2870	#if EV_VERIFY	3337	#if EV_VERIFY
2871	int i;	3338	int i;
2872	WL w, w2;	3339	WL w, w2;
2873		3340
…		…
2949	#endif	3416	#endif
2950	}	3417	}
2951	#endif	3418	#endif
2952		3419
2953	#if EV_MULTIPLICITY	3420	#if EV_MULTIPLICITY
		3421	ecb_cold
2954	struct ev_loop * ecb_cold	3422	struct ev_loop *
2955	#else	3423	#else
2956	int	3424	int
2957	#endif	3425	#endif
2958	ev_default_loop (unsigned int flags) EV_THROW	3426	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2959	{	3427	{
2960	if (!ev_default_loop_ptr)	3428	if (!ev_default_loop_ptr)
2961	{	3429	{
2962	#if EV_MULTIPLICITY	3430	#if EV_MULTIPLICITY
2963	EV_P = ev_default_loop_ptr = &default_loop_struct;	3431	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2982		3450
2983	return ev_default_loop_ptr;	3451	return ev_default_loop_ptr;
2984	}	3452	}
2985		3453
2986	void	3454	void
2987	ev_loop_fork (EV_P) EV_THROW	3455	ev_loop_fork (EV_P) EV_NOEXCEPT
2988	{	3456	{
2989	postfork = 1;	3457	postfork = 1;
2990	}	3458	}
2991		3459
2992	/*****************************************************************************/	3460	/*****************************************************************************/
…		…
2996	{	3464	{
2997	EV_CB_INVOKE ((W)w, revents);	3465	EV_CB_INVOKE ((W)w, revents);
2998	}	3466	}
2999		3467
3000	unsigned int	3468	unsigned int
3001	ev_pending_count (EV_P) EV_THROW	3469	ev_pending_count (EV_P) EV_NOEXCEPT
3002	{	3470	{
3003	int pri;	3471	int pri;
3004	unsigned int count = 0;	3472	unsigned int count = 0;
3005		3473
3006	for (pri = NUMPRI; pri--; )	3474	for (pri = NUMPRI; pri--; )
3007	count += pendingcnt [pri];	3475	count += pendingcnt [pri];
3008		3476
3009	return count;	3477	return count;
3010	}	3478	}
3011		3479
3012	void noinline	3480	ecb_noinline
		3481	void
3013	ev_invoke_pending (EV_P)	3482	ev_invoke_pending (EV_P)
3014	{	3483	{
3015	pendingpri = NUMPRI;	3484	pendingpri = NUMPRI;
3016		3485
3017	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3486	do
3018	{	3487	{
3019	--pendingpri;	3488	--pendingpri;
3020		3489
		3490	/* pendingpri possibly gets modified in the inner loop */
3021	while (pendingcnt [pendingpri])	3491	while (pendingcnt [pendingpri])
3022	{	3492	{
3023	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3493	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3024		3494
3025	p->w->pending = 0;	3495	p->w->pending = 0;
3026	EV_CB_INVOKE (p->w, p->events);	3496	EV_CB_INVOKE (p->w, p->events);
3027	EV_FREQUENT_CHECK;	3497	EV_FREQUENT_CHECK;
3028	}	3498	}
3029	}	3499	}
		3500	while (pendingpri);
3030	}	3501	}
3031		3502
3032	#if EV_IDLE_ENABLE	3503	#if EV_IDLE_ENABLE
3033	/* make idle watchers pending. this handles the "call-idle */	3504	/* make idle watchers pending. this handles the "call-idle */
3034	/* only when higher priorities are idle" logic */	3505	/* only when higher priorities are idle" logic */
3035	inline_size void	3506	inline_size void
3036	idle_reify (EV_P)	3507	idle_reify (EV_P)
3037	{	3508	{
3038	if (expect_false (idleall))	3509	if (ecb_expect_false (idleall))
3039	{	3510	{
3040	int pri;	3511	int pri;
3041		3512
3042	for (pri = NUMPRI; pri--; )	3513	for (pri = NUMPRI; pri--; )
3043	{	3514	{
…		…
3092	}	3563	}
3093	}	3564	}
3094		3565
3095	#if EV_PERIODIC_ENABLE	3566	#if EV_PERIODIC_ENABLE
3096		3567
3097	static void noinline	3568	ecb_noinline
		3569	static void
3098	periodic_recalc (EV_P_ ev_periodic *w)	3570	periodic_recalc (EV_P_ ev_periodic *w)
3099	{	3571	{
3100	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3572	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3101	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3573	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3102		3574
…		…
3104	while (at <= ev_rt_now)	3576	while (at <= ev_rt_now)
3105	{	3577	{
3106	ev_tstamp nat = at + w->interval;	3578	ev_tstamp nat = at + w->interval;
3107		3579
3108	/* when resolution fails us, we use ev_rt_now */	3580	/* when resolution fails us, we use ev_rt_now */
3109	if (expect_false (nat == at))	3581	if (ecb_expect_false (nat == at))
3110	{	3582	{
3111	at = ev_rt_now;	3583	at = ev_rt_now;
3112	break;	3584	break;
3113	}	3585	}
3114		3586
…		…
3160	}	3632	}
3161	}	3633	}
3162		3634
3163	/* simply recalculate all periodics */	3635	/* simply recalculate all periodics */
3164	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3636	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3165	static void noinline ecb_cold	3637	ecb_noinline ecb_cold
		3638	static void
3166	periodics_reschedule (EV_P)	3639	periodics_reschedule (EV_P)
3167	{	3640	{
3168	int i;	3641	int i;
3169		3642
3170	/* adjust periodics after time jump */	3643	/* adjust periodics after time jump */
…		…
3183	reheap (periodics, periodiccnt);	3656	reheap (periodics, periodiccnt);
3184	}	3657	}
3185	#endif	3658	#endif
3186		3659
3187	/* adjust all timers by a given offset */	3660	/* adjust all timers by a given offset */
3188	static void noinline ecb_cold	3661	ecb_noinline ecb_cold
		3662	static void
3189	timers_reschedule (EV_P_ ev_tstamp adjust)	3663	timers_reschedule (EV_P_ ev_tstamp adjust)
3190	{	3664	{
3191	int i;	3665	int i;
3192		3666
3193	for (i = 0; i < timercnt; ++i)	3667	for (i = 0; i < timercnt; ++i)
…		…
3202	/* also detect if there was a timejump, and act accordingly */	3676	/* also detect if there was a timejump, and act accordingly */
3203	inline_speed void	3677	inline_speed void
3204	time_update (EV_P_ ev_tstamp max_block)	3678	time_update (EV_P_ ev_tstamp max_block)
3205	{	3679	{
3206	#if EV_USE_MONOTONIC	3680	#if EV_USE_MONOTONIC
3207	if (expect_true (have_monotonic))	3681	if (ecb_expect_true (have_monotonic))
3208	{	3682	{
3209	int i;	3683	int i;
3210	ev_tstamp odiff = rtmn_diff;	3684	ev_tstamp odiff = rtmn_diff;
3211		3685
3212	mn_now = get_clock ();	3686	mn_now = get_clock ();
3213		3687
3214	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3688	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3215	/* interpolate in the meantime */	3689	/* interpolate in the meantime */
3216	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3690	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3217	{	3691	{
3218	ev_rt_now = rtmn_diff + mn_now;	3692	ev_rt_now = rtmn_diff + mn_now;
3219	return;	3693	return;
3220	}	3694	}
3221		3695
…		…
3235	ev_tstamp diff;	3709	ev_tstamp diff;
3236	rtmn_diff = ev_rt_now - mn_now;	3710	rtmn_diff = ev_rt_now - mn_now;
3237		3711
3238	diff = odiff - rtmn_diff;	3712	diff = odiff - rtmn_diff;
3239		3713
3240	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3714	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3241	return; /* all is well */	3715	return; /* all is well */
3242		3716
3243	ev_rt_now = ev_time ();	3717	ev_rt_now = ev_time ();
3244	mn_now = get_clock ();	3718	mn_now = get_clock ();
3245	now_floor = mn_now;	3719	now_floor = mn_now;
…		…
3254	else	3728	else
3255	#endif	3729	#endif
3256	{	3730	{
3257	ev_rt_now = ev_time ();	3731	ev_rt_now = ev_time ();
3258		3732
3259	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3733	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3260	{	3734	{
3261	/* adjust timers. this is easy, as the offset is the same for all of them */	3735	/* adjust timers. this is easy, as the offset is the same for all of them */
3262	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3736	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3263	#if EV_PERIODIC_ENABLE	3737	#if EV_PERIODIC_ENABLE
3264	periodics_reschedule (EV_A);	3738	periodics_reschedule (EV_A);
…		…
3287	#if EV_VERIFY >= 2	3761	#if EV_VERIFY >= 2
3288	ev_verify (EV_A);	3762	ev_verify (EV_A);
3289	#endif	3763	#endif
3290		3764
3291	#ifndef _WIN32	3765	#ifndef _WIN32
3292	if (expect_false (curpid)) /* penalise the forking check even more */	3766	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3293	if (expect_false (getpid () != curpid))	3767	if (ecb_expect_false (getpid () != curpid))
3294	{	3768	{
3295	curpid = getpid ();	3769	curpid = getpid ();
3296	postfork = 1;	3770	postfork = 1;
3297	}	3771	}
3298	#endif	3772	#endif
3299		3773
3300	#if EV_FORK_ENABLE	3774	#if EV_FORK_ENABLE
3301	/* we might have forked, so queue fork handlers */	3775	/* we might have forked, so queue fork handlers */
3302	if (expect_false (postfork))	3776	if (ecb_expect_false (postfork))
3303	if (forkcnt)	3777	if (forkcnt)
3304	{	3778	{
3305	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3779	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3306	EV_INVOKE_PENDING;	3780	EV_INVOKE_PENDING;
3307	}	3781	}
3308	#endif	3782	#endif
3309		3783
3310	#if EV_PREPARE_ENABLE	3784	#if EV_PREPARE_ENABLE
3311	/* queue prepare watchers (and execute them) */	3785	/* queue prepare watchers (and execute them) */
3312	if (expect_false (preparecnt))	3786	if (ecb_expect_false (preparecnt))
3313	{	3787	{
3314	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3788	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3315	EV_INVOKE_PENDING;	3789	EV_INVOKE_PENDING;
3316	}	3790	}
3317	#endif	3791	#endif
3318		3792
3319	if (expect_false (loop_done))	3793	if (ecb_expect_false (loop_done))
3320	break;	3794	break;
3321		3795
3322	/* we might have forked, so reify kernel state if necessary */	3796	/* we might have forked, so reify kernel state if necessary */
3323	if (expect_false (postfork))	3797	if (ecb_expect_false (postfork))
3324	loop_fork (EV_A);	3798	loop_fork (EV_A);
3325		3799
3326	/* update fd-related kernel structures */	3800	/* update fd-related kernel structures */
3327	fd_reify (EV_A);	3801	fd_reify (EV_A);
3328		3802
…		…
3340	/* from now on, we want a pipe-wake-up */	3814	/* from now on, we want a pipe-wake-up */
3341	pipe_write_wanted = 1;	3815	pipe_write_wanted = 1;
3342		3816
3343	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3817	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3344		3818
3345	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3819	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3346	{	3820	{
3347	waittime = MAX_BLOCKTIME;	3821	waittime = MAX_BLOCKTIME;
3348		3822
3349	if (timercnt)	3823	if (timercnt)
3350	{	3824	{
…		…
3359	if (waittime > to) waittime = to;	3833	if (waittime > to) waittime = to;
3360	}	3834	}
3361	#endif	3835	#endif
3362		3836
3363	/* don't let timeouts decrease the waittime below timeout_blocktime */	3837	/* don't let timeouts decrease the waittime below timeout_blocktime */
3364	if (expect_false (waittime < timeout_blocktime))	3838	if (ecb_expect_false (waittime < timeout_blocktime))
3365	waittime = timeout_blocktime;	3839	waittime = timeout_blocktime;
3366		3840
3367	/* at this point, we NEED to wait, so we have to ensure */	3841	/* at this point, we NEED to wait, so we have to ensure */
3368	/* to pass a minimum nonzero value to the backend */	3842	/* to pass a minimum nonzero value to the backend */
3369	if (expect_false (waittime < backend_mintime))	3843	if (ecb_expect_false (waittime < backend_mintime))
3370	waittime = backend_mintime;	3844	waittime = backend_mintime;
3371		3845
3372	/* extra check because io_blocktime is commonly 0 */	3846	/* extra check because io_blocktime is commonly 0 */
3373	if (expect_false (io_blocktime))	3847	if (ecb_expect_false (io_blocktime))
3374	{	3848	{
3375	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3849	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3376		3850
3377	if (sleeptime > waittime - backend_mintime)	3851	if (sleeptime > waittime - backend_mintime)
3378	sleeptime = waittime - backend_mintime;	3852	sleeptime = waittime - backend_mintime;
3379		3853
3380	if (expect_true (sleeptime > 0.))	3854	if (ecb_expect_true (sleeptime > 0.))
3381	{	3855	{
3382	ev_sleep (sleeptime);	3856	ev_sleep (sleeptime);
3383	waittime -= sleeptime;	3857	waittime -= sleeptime;
3384	}	3858	}
3385	}	3859	}
…		…
3399	{	3873	{
3400	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3874	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3401	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3875	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3402	}	3876	}
3403		3877
3404
3405	/* update ev_rt_now, do magic */	3878	/* update ev_rt_now, do magic */
3406	time_update (EV_A_ waittime + sleeptime);	3879	time_update (EV_A_ waittime + sleeptime);
3407	}	3880	}
3408		3881
3409	/* queue pending timers and reschedule them */	3882	/* queue pending timers and reschedule them */
…		…
3417	idle_reify (EV_A);	3890	idle_reify (EV_A);
3418	#endif	3891	#endif
3419		3892
3420	#if EV_CHECK_ENABLE	3893	#if EV_CHECK_ENABLE
3421	/* queue check watchers, to be executed first */	3894	/* queue check watchers, to be executed first */
3422	if (expect_false (checkcnt))	3895	if (ecb_expect_false (checkcnt))
3423	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3896	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3424	#endif	3897	#endif
3425		3898
3426	EV_INVOKE_PENDING;	3899	EV_INVOKE_PENDING;
3427	}	3900	}
3428	while (expect_true (	3901	while (ecb_expect_true (
3429	activecnt	3902	activecnt
3430	&& !loop_done	3903	&& !loop_done
3431	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3904	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3432	));	3905	));
3433		3906
…		…
3440		3913
3441	return activecnt;	3914	return activecnt;
3442	}	3915	}
3443		3916
3444	void	3917	void
3445	ev_break (EV_P_ int how) EV_THROW	3918	ev_break (EV_P_ int how) EV_NOEXCEPT
3446	{	3919	{
3447	loop_done = how;	3920	loop_done = how;
3448	}	3921	}
3449		3922
3450	void	3923	void
3451	ev_ref (EV_P) EV_THROW	3924	ev_ref (EV_P) EV_NOEXCEPT
3452	{	3925	{
3453	++activecnt;	3926	++activecnt;
3454	}	3927	}
3455		3928
3456	void	3929	void
3457	ev_unref (EV_P) EV_THROW	3930	ev_unref (EV_P) EV_NOEXCEPT
3458	{	3931	{
3459	--activecnt;	3932	--activecnt;
3460	}	3933	}
3461		3934
3462	void	3935	void
3463	ev_now_update (EV_P) EV_THROW	3936	ev_now_update (EV_P) EV_NOEXCEPT
3464	{	3937	{
3465	time_update (EV_A_ 1e100);	3938	time_update (EV_A_ 1e100);
3466	}	3939	}
3467		3940
3468	void	3941	void
3469	ev_suspend (EV_P) EV_THROW	3942	ev_suspend (EV_P) EV_NOEXCEPT
3470	{	3943	{
3471	ev_now_update (EV_A);	3944	ev_now_update (EV_A);
3472	}	3945	}
3473		3946
3474	void	3947	void
3475	ev_resume (EV_P) EV_THROW	3948	ev_resume (EV_P) EV_NOEXCEPT
3476	{	3949	{
3477	ev_tstamp mn_prev = mn_now;	3950	ev_tstamp mn_prev = mn_now;
3478		3951
3479	ev_now_update (EV_A);	3952	ev_now_update (EV_A);
3480	timers_reschedule (EV_A_ mn_now - mn_prev);	3953	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3497	inline_size void	3970	inline_size void
3498	wlist_del (WL *head, WL elem)	3971	wlist_del (WL *head, WL elem)
3499	{	3972	{
3500	while (*head)	3973	while (*head)
3501	{	3974	{
3502	if (expect_true (*head == elem))	3975	if (ecb_expect_true (*head == elem))
3503	{	3976	{
3504	*head = elem->next;	3977	*head = elem->next;
3505	break;	3978	break;
3506	}	3979	}
3507		3980
…		…
3519	w->pending = 0;	3992	w->pending = 0;
3520	}	3993	}
3521	}	3994	}
3522		3995
3523	int	3996	int
3524	ev_clear_pending (EV_P_ void *w) EV_THROW	3997	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3525	{	3998	{
3526	W w_ = (W)w;	3999	W w_ = (W)w;
3527	int pending = w_->pending;	4000	int pending = w_->pending;
3528		4001
3529	if (expect_true (pending))	4002	if (ecb_expect_true (pending))
3530	{	4003	{
3531	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4004	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3532	p->w = (W)&pending_w;	4005	p->w = (W)&pending_w;
3533	w_->pending = 0;	4006	w_->pending = 0;
3534	return p->events;	4007	return p->events;
…		…
3561	w->active = 0;	4034	w->active = 0;
3562	}	4035	}
3563		4036
3564	/*****************************************************************************/	4037	/*****************************************************************************/
3565		4038
3566	void noinline	4039	ecb_noinline
		4040	void
3567	ev_io_start (EV_P_ ev_io *w) EV_THROW	4041	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3568	{	4042	{
3569	int fd = w->fd;	4043	int fd = w->fd;
3570		4044
3571	if (expect_false (ev_is_active (w)))	4045	if (ecb_expect_false (ev_is_active (w)))
3572	return;	4046	return;
3573		4047
3574	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4048	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3575	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4049	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3576		4050
		4051	#if EV_VERIFY >= 2
		4052	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4053	#endif
3577	EV_FREQUENT_CHECK;	4054	EV_FREQUENT_CHECK;
3578		4055
3579	ev_start (EV_A_ (W)w, 1);	4056	ev_start (EV_A_ (W)w, 1);
3580	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4057	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3581	wlist_add (&anfds[fd].head, (WL)w);	4058	wlist_add (&anfds[fd].head, (WL)w);
3582		4059
3583	/* common bug, apparently */	4060	/* common bug, apparently */
3584	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4061	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3585		4062
…		…
3587	w->events &= ~EV__IOFDSET;	4064	w->events &= ~EV__IOFDSET;
3588		4065
3589	EV_FREQUENT_CHECK;	4066	EV_FREQUENT_CHECK;
3590	}	4067	}
3591		4068
3592	void noinline	4069	ecb_noinline
		4070	void
3593	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4071	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3594	{	4072	{
3595	clear_pending (EV_A_ (W)w);	4073	clear_pending (EV_A_ (W)w);
3596	if (expect_false (!ev_is_active (w)))	4074	if (ecb_expect_false (!ev_is_active (w)))
3597	return;	4075	return;
3598		4076
3599	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4077	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3600		4078
		4079	#if EV_VERIFY >= 2
		4080	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4081	#endif
3601	EV_FREQUENT_CHECK;	4082	EV_FREQUENT_CHECK;
3602		4083
3603	wlist_del (&anfds[w->fd].head, (WL)w);	4084	wlist_del (&anfds[w->fd].head, (WL)w);
3604	ev_stop (EV_A_ (W)w);	4085	ev_stop (EV_A_ (W)w);
3605		4086
3606	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4087	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3607		4088
3608	EV_FREQUENT_CHECK;	4089	EV_FREQUENT_CHECK;
3609	}	4090	}
3610		4091
3611	void noinline	4092	ecb_noinline
		4093	void
3612	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4094	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3613	{	4095	{
3614	if (expect_false (ev_is_active (w)))	4096	if (ecb_expect_false (ev_is_active (w)))
3615	return;	4097	return;
3616		4098
3617	ev_at (w) += mn_now;	4099	ev_at (w) += mn_now;
3618		4100
3619	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4101	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3620		4102
3621	EV_FREQUENT_CHECK;	4103	EV_FREQUENT_CHECK;
3622		4104
3623	++timercnt;	4105	++timercnt;
3624	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4106	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3625	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4107	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3626	ANHE_w (timers [ev_active (w)]) = (WT)w;	4108	ANHE_w (timers [ev_active (w)]) = (WT)w;
3627	ANHE_at_cache (timers [ev_active (w)]);	4109	ANHE_at_cache (timers [ev_active (w)]);
3628	upheap (timers, ev_active (w));	4110	upheap (timers, ev_active (w));
3629		4111
3630	EV_FREQUENT_CHECK;	4112	EV_FREQUENT_CHECK;
3631		4113
3632	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4114	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3633	}	4115	}
3634		4116
3635	void noinline	4117	ecb_noinline
		4118	void
3636	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4119	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3637	{	4120	{
3638	clear_pending (EV_A_ (W)w);	4121	clear_pending (EV_A_ (W)w);
3639	if (expect_false (!ev_is_active (w)))	4122	if (ecb_expect_false (!ev_is_active (w)))
3640	return;	4123	return;
3641		4124
3642	EV_FREQUENT_CHECK;	4125	EV_FREQUENT_CHECK;
3643		4126
3644	{	4127	{
…		…
3646		4129
3647	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4130	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3648		4131
3649	--timercnt;	4132	--timercnt;
3650		4133
3651	if (expect_true (active < timercnt + HEAP0))	4134	if (ecb_expect_true (active < timercnt + HEAP0))
3652	{	4135	{
3653	timers [active] = timers [timercnt + HEAP0];	4136	timers [active] = timers [timercnt + HEAP0];
3654	adjustheap (timers, timercnt, active);	4137	adjustheap (timers, timercnt, active);
3655	}	4138	}
3656	}	4139	}
…		…
3660	ev_stop (EV_A_ (W)w);	4143	ev_stop (EV_A_ (W)w);
3661		4144
3662	EV_FREQUENT_CHECK;	4145	EV_FREQUENT_CHECK;
3663	}	4146	}
3664		4147
3665	void noinline	4148	ecb_noinline
		4149	void
3666	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4150	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3667	{	4151	{
3668	EV_FREQUENT_CHECK;	4152	EV_FREQUENT_CHECK;
3669		4153
3670	clear_pending (EV_A_ (W)w);	4154	clear_pending (EV_A_ (W)w);
3671		4155
…		…
3688		4172
3689	EV_FREQUENT_CHECK;	4173	EV_FREQUENT_CHECK;
3690	}	4174	}
3691		4175
3692	ev_tstamp	4176	ev_tstamp
3693	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4177	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3694	{	4178	{
3695	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4179	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3696	}	4180	}
3697		4181
3698	#if EV_PERIODIC_ENABLE	4182	#if EV_PERIODIC_ENABLE
3699	void noinline	4183	ecb_noinline
		4184	void
3700	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4185	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3701	{	4186	{
3702	if (expect_false (ev_is_active (w)))	4187	if (ecb_expect_false (ev_is_active (w)))
3703	return;	4188	return;
3704		4189
3705	if (w->reschedule_cb)	4190	if (w->reschedule_cb)
3706	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4191	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3707	else if (w->interval)	4192	else if (w->interval)
…		…
3714		4199
3715	EV_FREQUENT_CHECK;	4200	EV_FREQUENT_CHECK;
3716		4201
3717	++periodiccnt;	4202	++periodiccnt;
3718	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4203	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3719	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4204	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3720	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4205	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3721	ANHE_at_cache (periodics [ev_active (w)]);	4206	ANHE_at_cache (periodics [ev_active (w)]);
3722	upheap (periodics, ev_active (w));	4207	upheap (periodics, ev_active (w));
3723		4208
3724	EV_FREQUENT_CHECK;	4209	EV_FREQUENT_CHECK;
3725		4210
3726	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4211	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3727	}	4212	}
3728		4213
3729	void noinline	4214	ecb_noinline
		4215	void
3730	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4216	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3731	{	4217	{
3732	clear_pending (EV_A_ (W)w);	4218	clear_pending (EV_A_ (W)w);
3733	if (expect_false (!ev_is_active (w)))	4219	if (ecb_expect_false (!ev_is_active (w)))
3734	return;	4220	return;
3735		4221
3736	EV_FREQUENT_CHECK;	4222	EV_FREQUENT_CHECK;
3737		4223
3738	{	4224	{
…		…
3740		4226
3741	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4227	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3742		4228
3743	--periodiccnt;	4229	--periodiccnt;
3744		4230
3745	if (expect_true (active < periodiccnt + HEAP0))	4231	if (ecb_expect_true (active < periodiccnt + HEAP0))
3746	{	4232	{
3747	periodics [active] = periodics [periodiccnt + HEAP0];	4233	periodics [active] = periodics [periodiccnt + HEAP0];
3748	adjustheap (periodics, periodiccnt, active);	4234	adjustheap (periodics, periodiccnt, active);
3749	}	4235	}
3750	}	4236	}
…		…
3752	ev_stop (EV_A_ (W)w);	4238	ev_stop (EV_A_ (W)w);
3753		4239
3754	EV_FREQUENT_CHECK;	4240	EV_FREQUENT_CHECK;
3755	}	4241	}
3756		4242
3757	void noinline	4243	ecb_noinline
		4244	void
3758	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4245	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3759	{	4246	{
3760	/* TODO: use adjustheap and recalculation */	4247	/* TODO: use adjustheap and recalculation */
3761	ev_periodic_stop (EV_A_ w);	4248	ev_periodic_stop (EV_A_ w);
3762	ev_periodic_start (EV_A_ w);	4249	ev_periodic_start (EV_A_ w);
3763	}	4250	}
…		…
3767	# define SA_RESTART 0	4254	# define SA_RESTART 0
3768	#endif	4255	#endif
3769		4256
3770	#if EV_SIGNAL_ENABLE	4257	#if EV_SIGNAL_ENABLE
3771		4258
3772	void noinline	4259	ecb_noinline
		4260	void
3773	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4261	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3774	{	4262	{
3775	if (expect_false (ev_is_active (w)))	4263	if (ecb_expect_false (ev_is_active (w)))
3776	return;	4264	return;
3777		4265
3778	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4266	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3779		4267
3780	#if EV_MULTIPLICITY	4268	#if EV_MULTIPLICITY
…		…
3849	}	4337	}
3850		4338
3851	EV_FREQUENT_CHECK;	4339	EV_FREQUENT_CHECK;
3852	}	4340	}
3853		4341
3854	void noinline	4342	ecb_noinline
		4343	void
3855	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4344	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3856	{	4345	{
3857	clear_pending (EV_A_ (W)w);	4346	clear_pending (EV_A_ (W)w);
3858	if (expect_false (!ev_is_active (w)))	4347	if (ecb_expect_false (!ev_is_active (w)))
3859	return;	4348	return;
3860		4349
3861	EV_FREQUENT_CHECK;	4350	EV_FREQUENT_CHECK;
3862		4351
3863	wlist_del (&signals [w->signum - 1].head, (WL)w);	4352	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3891	#endif	4380	#endif
3892		4381
3893	#if EV_CHILD_ENABLE	4382	#if EV_CHILD_ENABLE
3894		4383
3895	void	4384	void
3896	ev_child_start (EV_P_ ev_child *w) EV_THROW	4385	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3897	{	4386	{
3898	#if EV_MULTIPLICITY	4387	#if EV_MULTIPLICITY
3899	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4388	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3900	#endif	4389	#endif
3901	if (expect_false (ev_is_active (w)))	4390	if (ecb_expect_false (ev_is_active (w)))
3902	return;	4391	return;
3903		4392
3904	EV_FREQUENT_CHECK;	4393	EV_FREQUENT_CHECK;
3905		4394
3906	ev_start (EV_A_ (W)w, 1);	4395	ev_start (EV_A_ (W)w, 1);
…		…
3908		4397
3909	EV_FREQUENT_CHECK;	4398	EV_FREQUENT_CHECK;
3910	}	4399	}
3911		4400
3912	void	4401	void
3913	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4402	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3914	{	4403	{
3915	clear_pending (EV_A_ (W)w);	4404	clear_pending (EV_A_ (W)w);
3916	if (expect_false (!ev_is_active (w)))	4405	if (ecb_expect_false (!ev_is_active (w)))
3917	return;	4406	return;
3918		4407
3919	EV_FREQUENT_CHECK;	4408	EV_FREQUENT_CHECK;
3920		4409
3921	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4410	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3935		4424
3936	#define DEF_STAT_INTERVAL 5.0074891	4425	#define DEF_STAT_INTERVAL 5.0074891
3937	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4426	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3938	#define MIN_STAT_INTERVAL 0.1074891	4427	#define MIN_STAT_INTERVAL 0.1074891
3939		4428
3940	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4429	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3941		4430
3942	#if EV_USE_INOTIFY	4431	#if EV_USE_INOTIFY
3943		4432
3944	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4433	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3945	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4434	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3946		4435
3947	static void noinline	4436	ecb_noinline
		4437	static void
3948	infy_add (EV_P_ ev_stat *w)	4438	infy_add (EV_P_ ev_stat *w)
3949	{	4439	{
3950	w->wd = inotify_add_watch (fs_fd, w->path,	4440	w->wd = inotify_add_watch (fs_fd, w->path,
3951	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4441	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3952	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4442	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4016	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4506	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4017	ev_timer_again (EV_A_ &w->timer);	4507	ev_timer_again (EV_A_ &w->timer);
4018	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4508	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4019	}	4509	}
4020		4510
4021	static void noinline	4511	ecb_noinline
		4512	static void
4022	infy_del (EV_P_ ev_stat *w)	4513	infy_del (EV_P_ ev_stat *w)
4023	{	4514	{
4024	int slot;	4515	int slot;
4025	int wd = w->wd;	4516	int wd = w->wd;
4026		4517
…		…
4033		4524
4034	/* remove this watcher, if others are watching it, they will rearm */	4525	/* remove this watcher, if others are watching it, they will rearm */
4035	inotify_rm_watch (fs_fd, wd);	4526	inotify_rm_watch (fs_fd, wd);
4036	}	4527	}
4037		4528
4038	static void noinline	4529	ecb_noinline
		4530	static void
4039	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4531	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4040	{	4532	{
4041	if (slot < 0)	4533	if (slot < 0)
4042	/* overflow, need to check for all hash slots */	4534	/* overflow, need to check for all hash slots */
4043	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4535	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4079	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4571	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4080	ofs += sizeof (struct inotify_event) + ev->len;	4572	ofs += sizeof (struct inotify_event) + ev->len;
4081	}	4573	}
4082	}	4574	}
4083		4575
4084	inline_size void ecb_cold	4576	inline_size ecb_cold
		4577	void
4085	ev_check_2625 (EV_P)	4578	ev_check_2625 (EV_P)
4086	{	4579	{
4087	/* kernels < 2.6.25 are borked	4580	/* kernels < 2.6.25 are borked
4088	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4581	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4089	*/	4582	*/
…		…
4179	#else	4672	#else
4180	# define EV_LSTAT(p,b) lstat (p, b)	4673	# define EV_LSTAT(p,b) lstat (p, b)
4181	#endif	4674	#endif
4182		4675
4183	void	4676	void
4184	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4677	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4185	{	4678	{
4186	if (lstat (w->path, &w->attr) < 0)	4679	if (lstat (w->path, &w->attr) < 0)
4187	w->attr.st_nlink = 0;	4680	w->attr.st_nlink = 0;
4188	else if (!w->attr.st_nlink)	4681	else if (!w->attr.st_nlink)
4189	w->attr.st_nlink = 1;	4682	w->attr.st_nlink = 1;
4190	}	4683	}
4191		4684
4192	static void noinline	4685	ecb_noinline
		4686	static void
4193	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4687	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4194	{	4688	{
4195	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4689	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4196		4690
4197	ev_statdata prev = w->attr;	4691	ev_statdata prev = w->attr;
…		…
4228	ev_feed_event (EV_A_ w, EV_STAT);	4722	ev_feed_event (EV_A_ w, EV_STAT);
4229	}	4723	}
4230	}	4724	}
4231		4725
4232	void	4726	void
4233	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4727	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4234	{	4728	{
4235	if (expect_false (ev_is_active (w)))	4729	if (ecb_expect_false (ev_is_active (w)))
4236	return;	4730	return;
4237		4731
4238	ev_stat_stat (EV_A_ w);	4732	ev_stat_stat (EV_A_ w);
4239		4733
4240	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4734	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4259		4753
4260	EV_FREQUENT_CHECK;	4754	EV_FREQUENT_CHECK;
4261	}	4755	}
4262		4756
4263	void	4757	void
4264	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4758	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4265	{	4759	{
4266	clear_pending (EV_A_ (W)w);	4760	clear_pending (EV_A_ (W)w);
4267	if (expect_false (!ev_is_active (w)))	4761	if (ecb_expect_false (!ev_is_active (w)))
4268	return;	4762	return;
4269		4763
4270	EV_FREQUENT_CHECK;	4764	EV_FREQUENT_CHECK;
4271		4765
4272	#if EV_USE_INOTIFY	4766	#if EV_USE_INOTIFY
…		…
4285	}	4779	}
4286	#endif	4780	#endif
4287		4781
4288	#if EV_IDLE_ENABLE	4782	#if EV_IDLE_ENABLE
4289	void	4783	void
4290	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4784	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4291	{	4785	{
4292	if (expect_false (ev_is_active (w)))	4786	if (ecb_expect_false (ev_is_active (w)))
4293	return;	4787	return;
4294		4788
4295	pri_adjust (EV_A_ (W)w);	4789	pri_adjust (EV_A_ (W)w);
4296		4790
4297	EV_FREQUENT_CHECK;	4791	EV_FREQUENT_CHECK;
…		…
4300	int active = ++idlecnt [ABSPRI (w)];	4794	int active = ++idlecnt [ABSPRI (w)];
4301		4795
4302	++idleall;	4796	++idleall;
4303	ev_start (EV_A_ (W)w, active);	4797	ev_start (EV_A_ (W)w, active);
4304		4798
4305	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4799	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4306	idles [ABSPRI (w)][active - 1] = w;	4800	idles [ABSPRI (w)][active - 1] = w;
4307	}	4801	}
4308		4802
4309	EV_FREQUENT_CHECK;	4803	EV_FREQUENT_CHECK;
4310	}	4804	}
4311		4805
4312	void	4806	void
4313	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4807	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4314	{	4808	{
4315	clear_pending (EV_A_ (W)w);	4809	clear_pending (EV_A_ (W)w);
4316	if (expect_false (!ev_is_active (w)))	4810	if (ecb_expect_false (!ev_is_active (w)))
4317	return;	4811	return;
4318		4812
4319	EV_FREQUENT_CHECK;	4813	EV_FREQUENT_CHECK;
4320		4814
4321	{	4815	{
…		…
4332	}	4826	}
4333	#endif	4827	#endif
4334		4828
4335	#if EV_PREPARE_ENABLE	4829	#if EV_PREPARE_ENABLE
4336	void	4830	void
4337	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4831	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4338	{	4832	{
4339	if (expect_false (ev_is_active (w)))	4833	if (ecb_expect_false (ev_is_active (w)))
4340	return;	4834	return;
4341		4835
4342	EV_FREQUENT_CHECK;	4836	EV_FREQUENT_CHECK;
4343		4837
4344	ev_start (EV_A_ (W)w, ++preparecnt);	4838	ev_start (EV_A_ (W)w, ++preparecnt);
4345	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4839	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4346	prepares [preparecnt - 1] = w;	4840	prepares [preparecnt - 1] = w;
4347		4841
4348	EV_FREQUENT_CHECK;	4842	EV_FREQUENT_CHECK;
4349	}	4843	}
4350		4844
4351	void	4845	void
4352	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4846	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4353	{	4847	{
4354	clear_pending (EV_A_ (W)w);	4848	clear_pending (EV_A_ (W)w);
4355	if (expect_false (!ev_is_active (w)))	4849	if (ecb_expect_false (!ev_is_active (w)))
4356	return;	4850	return;
4357		4851
4358	EV_FREQUENT_CHECK;	4852	EV_FREQUENT_CHECK;
4359		4853
4360	{	4854	{
…		…
4370	}	4864	}
4371	#endif	4865	#endif
4372		4866
4373	#if EV_CHECK_ENABLE	4867	#if EV_CHECK_ENABLE
4374	void	4868	void
4375	ev_check_start (EV_P_ ev_check *w) EV_THROW	4869	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4376	{	4870	{
4377	if (expect_false (ev_is_active (w)))	4871	if (ecb_expect_false (ev_is_active (w)))
4378	return;	4872	return;
4379		4873
4380	EV_FREQUENT_CHECK;	4874	EV_FREQUENT_CHECK;
4381		4875
4382	ev_start (EV_A_ (W)w, ++checkcnt);	4876	ev_start (EV_A_ (W)w, ++checkcnt);
4383	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4877	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4384	checks [checkcnt - 1] = w;	4878	checks [checkcnt - 1] = w;
4385		4879
4386	EV_FREQUENT_CHECK;	4880	EV_FREQUENT_CHECK;
4387	}	4881	}
4388		4882
4389	void	4883	void
4390	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4884	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4391	{	4885	{
4392	clear_pending (EV_A_ (W)w);	4886	clear_pending (EV_A_ (W)w);
4393	if (expect_false (!ev_is_active (w)))	4887	if (ecb_expect_false (!ev_is_active (w)))
4394	return;	4888	return;
4395		4889
4396	EV_FREQUENT_CHECK;	4890	EV_FREQUENT_CHECK;
4397		4891
4398	{	4892	{
…		…
4407	EV_FREQUENT_CHECK;	4901	EV_FREQUENT_CHECK;
4408	}	4902	}
4409	#endif	4903	#endif
4410		4904
4411	#if EV_EMBED_ENABLE	4905	#if EV_EMBED_ENABLE
4412	void noinline	4906	ecb_noinline
		4907	void
4413	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4908	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4414	{	4909	{
4415	ev_run (w->other, EVRUN_NOWAIT);	4910	ev_run (w->other, EVRUN_NOWAIT);
4416	}	4911	}
4417		4912
4418	static void	4913	static void
…		…
4466	ev_idle_stop (EV_A_ idle);	4961	ev_idle_stop (EV_A_ idle);
4467	}	4962	}
4468	#endif	4963	#endif
4469		4964
4470	void	4965	void
4471	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4966	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4472	{	4967	{
4473	if (expect_false (ev_is_active (w)))	4968	if (ecb_expect_false (ev_is_active (w)))
4474	return;	4969	return;
4475		4970
4476	{	4971	{
4477	EV_P = w->other;	4972	EV_P = w->other;
4478	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4973	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4497		4992
4498	EV_FREQUENT_CHECK;	4993	EV_FREQUENT_CHECK;
4499	}	4994	}
4500		4995
4501	void	4996	void
4502	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4997	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4503	{	4998	{
4504	clear_pending (EV_A_ (W)w);	4999	clear_pending (EV_A_ (W)w);
4505	if (expect_false (!ev_is_active (w)))	5000	if (ecb_expect_false (!ev_is_active (w)))
4506	return;	5001	return;
4507		5002
4508	EV_FREQUENT_CHECK;	5003	EV_FREQUENT_CHECK;
4509		5004
4510	ev_io_stop (EV_A_ &w->io);	5005	ev_io_stop (EV_A_ &w->io);
…		…
4517	}	5012	}
4518	#endif	5013	#endif
4519		5014
4520	#if EV_FORK_ENABLE	5015	#if EV_FORK_ENABLE
4521	void	5016	void
4522	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5017	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4523	{	5018	{
4524	if (expect_false (ev_is_active (w)))	5019	if (ecb_expect_false (ev_is_active (w)))
4525	return;	5020	return;
4526		5021
4527	EV_FREQUENT_CHECK;	5022	EV_FREQUENT_CHECK;
4528		5023
4529	ev_start (EV_A_ (W)w, ++forkcnt);	5024	ev_start (EV_A_ (W)w, ++forkcnt);
4530	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5025	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4531	forks [forkcnt - 1] = w;	5026	forks [forkcnt - 1] = w;
4532		5027
4533	EV_FREQUENT_CHECK;	5028	EV_FREQUENT_CHECK;
4534	}	5029	}
4535		5030
4536	void	5031	void
4537	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5032	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4538	{	5033	{
4539	clear_pending (EV_A_ (W)w);	5034	clear_pending (EV_A_ (W)w);
4540	if (expect_false (!ev_is_active (w)))	5035	if (ecb_expect_false (!ev_is_active (w)))
4541	return;	5036	return;
4542		5037
4543	EV_FREQUENT_CHECK;	5038	EV_FREQUENT_CHECK;
4544		5039
4545	{	5040	{
…		…
4555	}	5050	}
4556	#endif	5051	#endif
4557		5052
4558	#if EV_CLEANUP_ENABLE	5053	#if EV_CLEANUP_ENABLE
4559	void	5054	void
4560	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5055	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4561	{	5056	{
4562	if (expect_false (ev_is_active (w)))	5057	if (ecb_expect_false (ev_is_active (w)))
4563	return;	5058	return;
4564		5059
4565	EV_FREQUENT_CHECK;	5060	EV_FREQUENT_CHECK;
4566		5061
4567	ev_start (EV_A_ (W)w, ++cleanupcnt);	5062	ev_start (EV_A_ (W)w, ++cleanupcnt);
4568	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5063	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4569	cleanups [cleanupcnt - 1] = w;	5064	cleanups [cleanupcnt - 1] = w;
4570		5065
4571	/* cleanup watchers should never keep a refcount on the loop */	5066	/* cleanup watchers should never keep a refcount on the loop */
4572	ev_unref (EV_A);	5067	ev_unref (EV_A);
4573	EV_FREQUENT_CHECK;	5068	EV_FREQUENT_CHECK;
4574	}	5069	}
4575		5070
4576	void	5071	void
4577	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5072	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4578	{	5073	{
4579	clear_pending (EV_A_ (W)w);	5074	clear_pending (EV_A_ (W)w);
4580	if (expect_false (!ev_is_active (w)))	5075	if (ecb_expect_false (!ev_is_active (w)))
4581	return;	5076	return;
4582		5077
4583	EV_FREQUENT_CHECK;	5078	EV_FREQUENT_CHECK;
4584	ev_ref (EV_A);	5079	ev_ref (EV_A);
4585		5080
…		…
4596	}	5091	}
4597	#endif	5092	#endif
4598		5093
4599	#if EV_ASYNC_ENABLE	5094	#if EV_ASYNC_ENABLE
4600	void	5095	void
4601	ev_async_start (EV_P_ ev_async *w) EV_THROW	5096	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4602	{	5097	{
4603	if (expect_false (ev_is_active (w)))	5098	if (ecb_expect_false (ev_is_active (w)))
4604	return;	5099	return;
4605		5100
4606	w->sent = 0;	5101	w->sent = 0;
4607		5102
4608	evpipe_init (EV_A);	5103	evpipe_init (EV_A);
4609		5104
4610	EV_FREQUENT_CHECK;	5105	EV_FREQUENT_CHECK;
4611		5106
4612	ev_start (EV_A_ (W)w, ++asynccnt);	5107	ev_start (EV_A_ (W)w, ++asynccnt);
4613	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5108	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4614	asyncs [asynccnt - 1] = w;	5109	asyncs [asynccnt - 1] = w;
4615		5110
4616	EV_FREQUENT_CHECK;	5111	EV_FREQUENT_CHECK;
4617	}	5112	}
4618		5113
4619	void	5114	void
4620	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5115	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4621	{	5116	{
4622	clear_pending (EV_A_ (W)w);	5117	clear_pending (EV_A_ (W)w);
4623	if (expect_false (!ev_is_active (w)))	5118	if (ecb_expect_false (!ev_is_active (w)))
4624	return;	5119	return;
4625		5120
4626	EV_FREQUENT_CHECK;	5121	EV_FREQUENT_CHECK;
4627		5122
4628	{	5123	{
…		…
4636		5131
4637	EV_FREQUENT_CHECK;	5132	EV_FREQUENT_CHECK;
4638	}	5133	}
4639		5134
4640	void	5135	void
4641	ev_async_send (EV_P_ ev_async *w) EV_THROW	5136	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4642	{	5137	{
4643	w->sent = 1;	5138	w->sent = 1;
4644	evpipe_write (EV_A_ &async_pending);	5139	evpipe_write (EV_A_ &async_pending);
4645	}	5140	}
4646	#endif	5141	#endif
…		…
4683		5178
4684	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5179	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4685	}	5180	}
4686		5181
4687	void	5182	void
4688	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5183	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4689	{	5184	{
4690	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5185	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4691
4692	if (expect_false (!once))
4693	{
4694	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4695	return;
4696	}
4697		5186
4698	once->cb = cb;	5187	once->cb = cb;
4699	once->arg = arg;	5188	once->arg = arg;
4700		5189
4701	ev_init (&once->io, once_cb_io);	5190	ev_init (&once->io, once_cb_io);
…		…
4714	}	5203	}
4715		5204
4716	/*****************************************************************************/	5205	/*****************************************************************************/
4717		5206
4718	#if EV_WALK_ENABLE	5207	#if EV_WALK_ENABLE
4719	void ecb_cold	5208	ecb_cold
		5209	void
4720	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5210	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4721	{	5211	{
4722	int i, j;	5212	int i, j;
4723	ev_watcher_list *wl, *wn;	5213	ev_watcher_list *wl, *wn;
4724		5214
4725	if (types & (EV_IO | EV_EMBED))	5215	if (types & (EV_IO | EV_EMBED))

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