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Comparing libev/ev.c (file contents):
Revision 1.463 by root, Thu Jan 16 11:51:05 2014 UTC vs.
Revision 1.483 by root, Tue Jul 31 04:45:58 2018 UTC

…		…
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
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#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		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
256	# else	258	# else
257	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	260	# endif
259	#endif	261	#endif
260		262
		263	#if !(_POSIX_TIMERS > 0)
		264	# ifndef EV_USE_MONOTONIC
		265	# define EV_USE_MONOTONIC 0
		266	# endif
		267	# ifndef EV_USE_REALTIME
		268	# define EV_USE_REALTIME 0
		269	# endif
		270	#endif
		271
261	#ifndef EV_USE_MONOTONIC	272	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	273	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	274	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	275	# else
265	# define EV_USE_MONOTONIC 0	276	# define EV_USE_MONOTONIC 0
…		…
354		365
355	#ifndef EV_HEAP_CACHE_AT	366	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	367	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	368	#endif
358		369
359	#ifdef ANDROID	370	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	371	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	372	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	373	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	374	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	375	# undef EV_USE_CLOCK_SYSCALL
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	493	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	494	/* ECB.H BEGIN */
484	/*	495	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	496	* libecb - http://software.schmorp.de/pkg/libecb
486	*	497	*
487	* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>	498	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	499	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	500	* All rights reserved.
490	*	501	*
491	* Redistribution and use in source and binary forms, with or without modifica-	502	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	503	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	517	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	518	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	519	* 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	520	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	521	* OF THE POSSIBILITY OF SUCH DAMAGE.
		522	*
		523	* Alternatively, the contents of this file may be used under the terms of
		524	* the GNU General Public License ("GPL") version 2 or any later version,
		525	* in which case the provisions of the GPL are applicable instead of
		526	* the above. If you wish to allow the use of your version of this file
		527	* only under the terms of the GPL and not to allow others to use your
		528	* version of this file under the BSD license, indicate your decision
		529	* by deleting the provisions above and replace them with the notice
		530	* and other provisions required by the GPL. If you do not delete the
		531	* provisions above, a recipient may use your version of this file under
		532	* either the BSD or the GPL.
511	*/	533	*/
512		534
513	#ifndef ECB_H	535	#ifndef ECB_H
514	#define ECB_H	536	#define ECB_H
515		537
516	/* 16 bits major, 16 bits minor */	538	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	539	#define ECB_VERSION 0x00010005
518		540
519	#ifdef _WIN32	541	#ifdef _WIN32
520	typedef signed char int8_t;	542	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	543	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	544	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	561	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	562	typedef int32_t intptr_t;
541	#endif	563	#endif
542	#else	564	#else
543	#include <inttypes.h>	565	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	566	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	567	#define ECB_PTRSIZE 8
546	#else	568	#else
547	#define ECB_PTRSIZE 4	569	#define ECB_PTRSIZE 4
548	#endif	570	#endif
549	#endif	571	#endif
550		572
		573	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		574	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		575
551	/* work around x32 idiocy by defining proper macros */	576	/* work around x32 idiocy by defining proper macros */
552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	577	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	578	#if _ILP32
554	#define ECB_AMD64_X32 1	579	#define ECB_AMD64_X32 1
555	#else	580	#else
556	#define ECB_AMD64 1	581	#define ECB_AMD64 1
557	#endif	582	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	587	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	588	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	589	* 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.	590	* an issue with that they should have done it right in the first place.
566	*/	591	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	592	#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	593	#define ECB_GCC_VERSION(major,minor) 0
570	#else	594	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	595	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	596	#endif
573	#endif
574		597
575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	598	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	599
577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	600	#if __clang__ && defined __has_builtin
		601	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		602	#else
		603	#define ECB_CLANG_BUILTIN(x) 0
		604	#endif
		605
		606	#if __clang__ && defined __has_extension
		607	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		608	#else
		609	#define ECB_CLANG_EXTENSION(x) 0
		610	#endif
		611
578	#define ECB_CPP (__cplusplus+0)	612	#define ECB_CPP (__cplusplus+0)
579	#define ECB_CPP11 (__cplusplus >= 201103L)	613	#define ECB_CPP11 (__cplusplus >= 201103L)
		614
		615	#if ECB_CPP
		616	#define ECB_C 0
		617	#define ECB_STDC_VERSION 0
		618	#else
		619	#define ECB_C 1
		620	#define ECB_STDC_VERSION __STDC_VERSION__
		621	#endif
		622
		623	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		624	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
580		625
581	#if ECB_CPP	626	#if ECB_CPP
582	#define ECB_EXTERN_C extern "C"	627	#define ECB_EXTERN_C extern "C"
583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	628	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584	#define ECB_EXTERN_C_END }	629	#define ECB_EXTERN_C_END }
…		…
597	#define ECB_NO_SMP 1	642	#define ECB_NO_SMP 1
598	#endif	643	#endif
599		644
600	#if ECB_NO_SMP	645	#if ECB_NO_SMP
601	#define ECB_MEMORY_FENCE do { } while (0)	646	#define ECB_MEMORY_FENCE do { } while (0)
		647	#endif
		648
		649	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		650	#if __xlC__ && ECB_CPP
		651	#include <builtins.h>
		652	#endif
		653
		654	#if 1400 <= _MSC_VER
		655	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
602	#endif	656	#endif
603		657
604	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	659	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
606	#if __i386 || __i386__	660	#if __i386 || __i386__
607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	662	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	663	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	664	#elif ECB_GCC_AMD64
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	666	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	667	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	668	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		670	#elif defined __ARM_ARCH_2__ \
		671	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		672	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		673	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		674	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		675	|| defined __ARM_ARCH_5TEJ__
		676	/* 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__ \	677	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	678	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		679	|| defined __ARM_ARCH_6T2__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	680	#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__ \	681	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	682	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		684	#elif __aarch64__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
622	#elif (__sparc || __sparc__) && !__sparcv8	686	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	687	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	688	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	689	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626	#elif defined __s390__ || defined __s390x__	690	#elif defined __s390__ || defined __s390x__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
648		712
649	#ifndef ECB_MEMORY_FENCE	713	#ifndef ECB_MEMORY_FENCE
650	#if ECB_GCC_VERSION(4,7)	714	#if ECB_GCC_VERSION(4,7)
651	/* see comment below (stdatomic.h) about the C11 memory model. */	715	/* see comment below (stdatomic.h) about the C11 memory model. */
652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	716	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		717	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		718	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
653		719
654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	720	#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.	721	/* see comment below (stdatomic.h) about the C11 memory model. */
660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	722	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661	*/	723	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		724	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
662		725
663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	726	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664	#define ECB_MEMORY_FENCE __sync_synchronize ()	727	#define ECB_MEMORY_FENCE __sync_synchronize ()
665	#elif _MSC_VER >= 1500 /* VC++ 2008 */	728	#elif _MSC_VER >= 1500 /* VC++ 2008 */
666	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	729	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
695	/* any fence other than seq_cst, which isn't very efficient for us. */	758	/* any fence other than seq_cst, which isn't very efficient for us. */
696	/* Why that is, we don't know - either the C11 memory model is quite useless */	759	/* Why that is, we don't know - either the C11 memory model is quite useless */
697	/* for most usages, or gcc and clang have a bug */	760	/* for most usages, or gcc and clang have a bug */
698	/* I *currently* lean towards the latter, and inefficiently implement */	761	/* I *currently* lean towards the latter, and inefficiently implement */
699	/* all three of ecb's fences as a seq_cst fence */	762	/* all three of ecb's fences as a seq_cst fence */
		763	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		764	/* for all __atomic_thread_fence's except seq_cst */
700	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	765	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
701	#endif	766	#endif
702	#endif	767	#endif
703		768
704	#ifndef ECB_MEMORY_FENCE	769	#ifndef ECB_MEMORY_FENCE
…		…
727	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	792	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
728	#endif	793	#endif
729		794
730	/*****************************************************************************/	795	/*****************************************************************************/
731		796
732	#if __cplusplus	797	#if ECB_CPP
733	#define ecb_inline static inline	798	#define ecb_inline static inline
734	#elif ECB_GCC_VERSION(2,5)	799	#elif ECB_GCC_VERSION(2,5)
735	#define ecb_inline static __inline__	800	#define ecb_inline static __inline__
736	#elif ECB_C99	801	#elif ECB_C99
737	#define ecb_inline static inline	802	#define ecb_inline static inline
…		…
751		816
752	#define ECB_CONCAT_(a, b) a ## b	817	#define ECB_CONCAT_(a, b) a ## b
753	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	818	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
754	#define ECB_STRINGIFY_(a) # a	819	#define ECB_STRINGIFY_(a) # a
755	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	820	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		821	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
756		822
757	#define ecb_function_ ecb_inline	823	#define ecb_function_ ecb_inline
758		824
759	#if ECB_GCC_VERSION(3,1)	825	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
760	#define ecb_attribute(attrlist) __attribute__(attrlist)	826	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		827	#else
		828	#define ecb_attribute(attrlist)
		829	#endif
		830
		831	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
761	#define ecb_is_constant(expr) __builtin_constant_p (expr)	832	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		833	#else
		834	/* possible C11 impl for integral types
		835	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		836	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		837
		838	#define ecb_is_constant(expr) 0
		839	#endif
		840
		841	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
762	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	842	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		843	#else
		844	#define ecb_expect(expr,value) (expr)
		845	#endif
		846
		847	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
763	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	848	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
764	#else	849	#else
765	#define ecb_attribute(attrlist)
766	#define ecb_is_constant(expr) 0
767	#define ecb_expect(expr,value) (expr)
768	#define ecb_prefetch(addr,rw,locality)	850	#define ecb_prefetch(addr,rw,locality)
769	#endif	851	#endif
770		852
771	/* no emulation for ecb_decltype */	853	/* no emulation for ecb_decltype */
772	#if ECB_GCC_VERSION(4,5)	854	#if ECB_CPP11
		855	// older implementations might have problems with decltype(x)::type, work around it
		856	template<class T> struct ecb_decltype_t { typedef T type; };
773	#define ecb_decltype(x) __decltype(x)	857	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
774	#elif ECB_GCC_VERSION(3,0)	858	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
775	#define ecb_decltype(x) __typeof(x)	859	#define ecb_decltype(x) __typeof__ (x)
776	#endif	860	#endif
777		861
		862	#if _MSC_VER >= 1300
		863	#define ecb_deprecated __declspec (deprecated)
		864	#else
		865	#define ecb_deprecated ecb_attribute ((__deprecated__))
		866	#endif
		867
		868	#if _MSC_VER >= 1500
		869	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		870	#elif ECB_GCC_VERSION(4,5)
		871	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		872	#else
		873	#define ecb_deprecated_message(msg) ecb_deprecated
		874	#endif
		875
		876	#if _MSC_VER >= 1400
		877	#define ecb_noinline __declspec (noinline)
		878	#else
778	#define ecb_noinline ecb_attribute ((__noinline__))	879	#define ecb_noinline ecb_attribute ((__noinline__))
		880	#endif
		881
779	#define ecb_unused ecb_attribute ((__unused__))	882	#define ecb_unused ecb_attribute ((__unused__))
780	#define ecb_const ecb_attribute ((__const__))	883	#define ecb_const ecb_attribute ((__const__))
781	#define ecb_pure ecb_attribute ((__pure__))	884	#define ecb_pure ecb_attribute ((__pure__))
782		885
783	#if ECB_C11	886	#if ECB_C11 || __IBMC_NORETURN
		887	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
784	#define ecb_noreturn _Noreturn	888	#define ecb_noreturn _Noreturn
		889	#elif ECB_CPP11
		890	#define ecb_noreturn [[noreturn]]
		891	#elif _MSC_VER >= 1200
		892	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		893	#define ecb_noreturn __declspec (noreturn)
785	#else	894	#else
786	#define ecb_noreturn ecb_attribute ((__noreturn__))	895	#define ecb_noreturn ecb_attribute ((__noreturn__))
787	#endif	896	#endif
788		897
789	#if ECB_GCC_VERSION(4,3)	898	#if ECB_GCC_VERSION(4,3)
…		…
804	/* for compatibility to the rest of the world */	913	/* for compatibility to the rest of the world */
805	#define ecb_likely(expr) ecb_expect_true (expr)	914	#define ecb_likely(expr) ecb_expect_true (expr)
806	#define ecb_unlikely(expr) ecb_expect_false (expr)	915	#define ecb_unlikely(expr) ecb_expect_false (expr)
807		916
808	/* count trailing zero bits and count # of one bits */	917	/* count trailing zero bits and count # of one bits */
809	#if ECB_GCC_VERSION(3,4)	918	#if ECB_GCC_VERSION(3,4) \
		919	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		920	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		921	&& ECB_CLANG_BUILTIN(__builtin_popcount))
810	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	922	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
811	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	923	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
812	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	924	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
813	#define ecb_ctz32(x) __builtin_ctz (x)	925	#define ecb_ctz32(x) __builtin_ctz (x)
814	#define ecb_ctz64(x) __builtin_ctzll (x)	926	#define ecb_ctz64(x) __builtin_ctzll (x)
815	#define ecb_popcount32(x) __builtin_popcount (x)	927	#define ecb_popcount32(x) __builtin_popcount (x)
816	/* no popcountll */	928	/* no popcountll */
817	#else	929	#else
818	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	930	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
819	ecb_function_ int	931	ecb_function_ ecb_const int
820	ecb_ctz32 (uint32_t x)	932	ecb_ctz32 (uint32_t x)
821	{	933	{
		934	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		935	unsigned long r;
		936	_BitScanForward (&r, x);
		937	return (int)r;
		938	#else
822	int r = 0;	939	int r = 0;
823		940
824	x &= ~x + 1; /* this isolates the lowest bit */	941	x &= ~x + 1; /* this isolates the lowest bit */
825		942
826	#if ECB_branchless_on_i386	943	#if ECB_branchless_on_i386
…		…
836	if (x & 0xff00ff00) r += 8;	953	if (x & 0xff00ff00) r += 8;
837	if (x & 0xffff0000) r += 16;	954	if (x & 0xffff0000) r += 16;
838	#endif	955	#endif
839		956
840	return r;	957	return r;
		958	#endif
841	}	959	}
842		960
843	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	961	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
844	ecb_function_ int	962	ecb_function_ ecb_const int
845	ecb_ctz64 (uint64_t x)	963	ecb_ctz64 (uint64_t x)
846	{	964	{
		965	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		966	unsigned long r;
		967	_BitScanForward64 (&r, x);
		968	return (int)r;
		969	#else
847	int shift = x & 0xffffffffU ? 0 : 32;	970	int shift = x & 0xffffffff ? 0 : 32;
848	return ecb_ctz32 (x >> shift) + shift;	971	return ecb_ctz32 (x >> shift) + shift;
		972	#endif
849	}	973	}
850		974
851	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	975	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
852	ecb_function_ int	976	ecb_function_ ecb_const int
853	ecb_popcount32 (uint32_t x)	977	ecb_popcount32 (uint32_t x)
854	{	978	{
855	x -= (x >> 1) & 0x55555555;	979	x -= (x >> 1) & 0x55555555;
856	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	980	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
857	x = ((x >> 4) + x) & 0x0f0f0f0f;	981	x = ((x >> 4) + x) & 0x0f0f0f0f;
858	x *= 0x01010101;	982	x *= 0x01010101;
859		983
860	return x >> 24;	984	return x >> 24;
861	}	985	}
862		986
863	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	987	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
864	ecb_function_ int ecb_ld32 (uint32_t x)	988	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
865	{	989	{
		990	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		991	unsigned long r;
		992	_BitScanReverse (&r, x);
		993	return (int)r;
		994	#else
866	int r = 0;	995	int r = 0;
867		996
868	if (x >> 16) { x >>= 16; r += 16; }	997	if (x >> 16) { x >>= 16; r += 16; }
869	if (x >> 8) { x >>= 8; r += 8; }	998	if (x >> 8) { x >>= 8; r += 8; }
870	if (x >> 4) { x >>= 4; r += 4; }	999	if (x >> 4) { x >>= 4; r += 4; }
871	if (x >> 2) { x >>= 2; r += 2; }	1000	if (x >> 2) { x >>= 2; r += 2; }
872	if (x >> 1) { r += 1; }	1001	if (x >> 1) { r += 1; }
873		1002
874	return r;	1003	return r;
		1004	#endif
875	}	1005	}
876		1006
877	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
878	ecb_function_ int ecb_ld64 (uint64_t x)	1008	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
879	{	1009	{
		1010	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1011	unsigned long r;
		1012	_BitScanReverse64 (&r, x);
		1013	return (int)r;
		1014	#else
880	int r = 0;	1015	int r = 0;
881		1016
882	if (x >> 32) { x >>= 32; r += 32; }	1017	if (x >> 32) { x >>= 32; r += 32; }
883		1018
884	return r + ecb_ld32 (x);	1019	return r + ecb_ld32 (x);
		1020	#endif
885	}	1021	}
886	#endif	1022	#endif
887		1023
888	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1024	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
889	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1025	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
890	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1026	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
891	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1027	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
892		1028
893	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1029	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
894	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1030	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
895	{	1031	{
896	return ( (x * 0x0802U & 0x22110U)	1032	return ( (x * 0x0802U & 0x22110U)
897	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1033	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
898	}	1034	}
899		1035
900	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1036	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
901	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1037	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
902	{	1038	{
903	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1039	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
904	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1040	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
905	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1041	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
906	x = ( x >> 8 ) | ( x << 8);	1042	x = ( x >> 8 ) | ( x << 8);
907		1043
908	return x;	1044	return x;
909	}	1045	}
910		1046
911	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1047	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
912	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1048	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
913	{	1049	{
914	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1050	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
915	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1051	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
916	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
917	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1053	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
920	return x;	1056	return x;
921	}	1057	}
922		1058
923	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1059	/* popcount64 is only available on 64 bit cpus as gcc builtin */
924	/* so for this version we are lazy */	1060	/* so for this version we are lazy */
925	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1061	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
926	ecb_function_ int	1062	ecb_function_ ecb_const int
927	ecb_popcount64 (uint64_t x)	1063	ecb_popcount64 (uint64_t x)
928	{	1064	{
929	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1065	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
930	}	1066	}
931		1067
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1068	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1069	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1070	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1071	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1072	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1073	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1074	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1075	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
940		1076
941	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1077	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
942	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1078	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
943	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1079	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
944	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1080	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
945	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1081	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
946	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1082	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
947	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1083	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
948	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1084	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
949		1085
950	#if ECB_GCC_VERSION(4,3)	1086	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1087	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1088	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1089	#else
951	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1090	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1091	#endif
952	#define ecb_bswap32(x) __builtin_bswap32 (x)	1092	#define ecb_bswap32(x) __builtin_bswap32 (x)
953	#define ecb_bswap64(x) __builtin_bswap64 (x)	1093	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1094	#elif _MSC_VER
		1095	#include <stdlib.h>
		1096	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1097	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1098	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
954	#else	1099	#else
955	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
956	ecb_function_ uint16_t	1101	ecb_function_ ecb_const uint16_t
957	ecb_bswap16 (uint16_t x)	1102	ecb_bswap16 (uint16_t x)
958	{	1103	{
959	return ecb_rotl16 (x, 8);	1104	return ecb_rotl16 (x, 8);
960	}	1105	}
961		1106
962	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1107	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
963	ecb_function_ uint32_t	1108	ecb_function_ ecb_const uint32_t
964	ecb_bswap32 (uint32_t x)	1109	ecb_bswap32 (uint32_t x)
965	{	1110	{
966	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1111	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
967	}	1112	}
968		1113
969	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1114	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
970	ecb_function_ uint64_t	1115	ecb_function_ ecb_const uint64_t
971	ecb_bswap64 (uint64_t x)	1116	ecb_bswap64 (uint64_t x)
972	{	1117	{
973	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1118	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
974	}	1119	}
975	#endif	1120	#endif
976		1121
977	#if ECB_GCC_VERSION(4,5)	1122	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
978	#define ecb_unreachable() __builtin_unreachable ()	1123	#define ecb_unreachable() __builtin_unreachable ()
979	#else	1124	#else
980	/* this seems to work fine, but gcc always emits a warning for it :/ */	1125	/* this seems to work fine, but gcc always emits a warning for it :/ */
981	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1126	ecb_inline ecb_noreturn void ecb_unreachable (void);
982	ecb_inline void ecb_unreachable (void) { }	1127	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
983	#endif	1128	#endif
984		1129
985	/* try to tell the compiler that some condition is definitely true */	1130	/* try to tell the compiler that some condition is definitely true */
986	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1131	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
987		1132
988	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1133	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
989	ecb_inline unsigned char	1134	ecb_inline ecb_const uint32_t
990	ecb_byteorder_helper (void)	1135	ecb_byteorder_helper (void)
991	{	1136	{
992	/* the union code still generates code under pressure in gcc, */	1137	/* the union code still generates code under pressure in gcc, */
993	/* but less than using pointers, and always seems to */	1138	/* but less than using pointers, and always seems to */
994	/* successfully return a constant. */	1139	/* successfully return a constant. */
995	/* the reason why we have this horrible preprocessor mess */	1140	/* the reason why we have this horrible preprocessor mess */
996	/* is to avoid it in all cases, at least on common architectures */	1141	/* is to avoid it in all cases, at least on common architectures */
997	/* or when using a recent enough gcc version (>= 4.6) */	1142	/* or when using a recent enough gcc version (>= 4.6) */
998	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
999	return 0x44;
1000	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1143	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1144	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1145	#define ECB_LITTLE_ENDIAN 1
1001	return 0x44;	1146	return 0x44332211;
1002	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1147	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1148	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1149	#define ECB_BIG_ENDIAN 1
1003	return 0x11;	1150	return 0x11223344;
1004	#else	1151	#else
1005	union	1152	union
1006	{	1153	{
		1154	uint8_t c[4];
1007	uint32_t i;	1155	uint32_t u;
1008	uint8_t c;
1009	} u = { 0x11223344 };	1156	} u = { 0x11, 0x22, 0x33, 0x44 };
1010	return u.c;	1157	return u.u;
1011	#endif	1158	#endif
1012	}	1159	}
1013		1160
1014	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1161	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1015	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1162	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1016	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1163	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1017	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1164	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1018		1165
1019	#if ECB_GCC_VERSION(3,0) || ECB_C99	1166	#if ECB_GCC_VERSION(3,0) || ECB_C99
1020	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1167	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1021	#else	1168	#else
1022	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1169	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1023	#endif	1170	#endif
1024		1171
1025	#if __cplusplus	1172	#if ECB_CPP
1026	template<typename T>	1173	template<typename T>
1027	static inline T ecb_div_rd (T val, T div)	1174	static inline T ecb_div_rd (T val, T div)
1028	{	1175	{
1029	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1176	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1030	}	1177	}
…		…
1047	}	1194	}
1048	#else	1195	#else
1049	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1196	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1050	#endif	1197	#endif
1051		1198
		1199	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1200	ecb_function_ ecb_const uint32_t
		1201	ecb_binary16_to_binary32 (uint32_t x)
		1202	{
		1203	unsigned int s = (x & 0x8000) << (31 - 15);
		1204	int e = (x >> 10) & 0x001f;
		1205	unsigned int m = x & 0x03ff;
		1206
		1207	if (ecb_expect_false (e == 31))
		1208	/* infinity or NaN */
		1209	e = 255 - (127 - 15);
		1210	else if (ecb_expect_false (!e))
		1211	{
		1212	if (ecb_expect_true (!m))
		1213	/* zero, handled by code below by forcing e to 0 */
		1214	e = 0 - (127 - 15);
		1215	else
		1216	{
		1217	/* subnormal, renormalise */
		1218	unsigned int s = 10 - ecb_ld32 (m);
		1219
		1220	m = (m << s) & 0x3ff; /* mask implicit bit */
		1221	e -= s - 1;
		1222	}
		1223	}
		1224
		1225	/* e and m now are normalised, or zero, (or inf or nan) */
		1226	e += 127 - 15;
		1227
		1228	return s | (e << 23) | (m << (23 - 10));
		1229	}
		1230
		1231	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1232	ecb_function_ ecb_const uint16_t
		1233	ecb_binary32_to_binary16 (uint32_t x)
		1234	{
		1235	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1236	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1237	unsigned int m = x & 0x007fffff;
		1238
		1239	x &= 0x7fffffff;
		1240
		1241	/* if it's within range of binary16 normals, use fast path */
		1242	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1243	{
		1244	/* mantissa round-to-even */
		1245	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1246
		1247	/* handle overflow */
		1248	if (ecb_expect_false (m >= 0x00800000))
		1249	{
		1250	m >>= 1;
		1251	e += 1;
		1252	}
		1253
		1254	return s | (e << 10) | (m >> (23 - 10));
		1255	}
		1256
		1257	/* handle large numbers and infinity */
		1258	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1259	return s | 0x7c00;
		1260
		1261	/* handle zero, subnormals and small numbers */
		1262	if (ecb_expect_true (x < 0x38800000))
		1263	{
		1264	/* zero */
		1265	if (ecb_expect_true (!x))
		1266	return s;
		1267
		1268	/* handle subnormals */
		1269
		1270	/* too small, will be zero */
		1271	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1272	return s;
		1273
		1274	m |= 0x00800000; /* make implicit bit explicit */
		1275
		1276	/* very tricky - we need to round to the nearest e (+10) bit value */
		1277	{
		1278	unsigned int bits = 14 - e;
		1279	unsigned int half = (1 << (bits - 1)) - 1;
		1280	unsigned int even = (m >> bits) & 1;
		1281
		1282	/* if this overflows, we will end up with a normalised number */
		1283	m = (m + half + even) >> bits;
		1284	}
		1285
		1286	return s | m;
		1287	}
		1288
		1289	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1290	m >>= 13;
		1291
		1292	return s | 0x7c00 | m | !m;
		1293	}
		1294
1052	/*******************************************************************************/	1295	/*******************************************************************************/
1053	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1296	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1054		1297
1055	/* basically, everything uses "ieee pure-endian" floating point numbers */	1298	/* basically, everything uses "ieee pure-endian" floating point numbers */
1056	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1299	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1057	#if 0 \	1300	#if 0 \
1058	|| __i386 || __i386__ \	1301	|| __i386 || __i386__ \
1059	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1302	|| ECB_GCC_AMD64 \
1060	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1303	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1061	|| defined __arm__ && defined __ARM_EABI__ \
1062	|| defined __s390__ || defined __s390x__ \	1304	|| defined __s390__ || defined __s390x__ \
1063	|| defined __mips__ \	1305	|| defined __mips__ \
1064	|| defined __alpha__ \	1306	|| defined __alpha__ \
1065	|| defined __hppa__ \	1307	|| defined __hppa__ \
1066	|| defined __ia64__ \	1308	|| defined __ia64__ \
1067	|| defined __m68k__ \	1309	|| defined __m68k__ \
1068	|| defined __m88k__ \	1310	|| defined __m88k__ \
1069	|| defined __sh__ \	1311	|| defined __sh__ \
1070	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1312	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1313	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1314	|| defined __aarch64__
1071	#define ECB_STDFP 1	1315	#define ECB_STDFP 1
1072	#include <string.h> /* for memcpy */	1316	#include <string.h> /* for memcpy */
1073	#else	1317	#else
1074	#define ECB_STDFP 0	1318	#define ECB_STDFP 0
1075	#endif	1319	#endif
…		…
1089	#define ECB_NAN NAN	1333	#define ECB_NAN NAN
1090	#else	1334	#else
1091	#define ECB_NAN ECB_INFINITY	1335	#define ECB_NAN ECB_INFINITY
1092	#endif	1336	#endif
1093		1337
1094	/* converts an ieee half/binary16 to a float */	1338	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1095	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1339	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1096	ecb_function_ float	1340	#define ecb_frexpf(x,e) frexpf ((x), (e))
1097	ecb_binary16_to_float (uint16_t x)	1341	#else
1098	{	1342	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1099	int e = (x >> 10) & 0x1f;	1343	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1100	int m = x & 0x3ff;	1344	#endif
1101	float r;
1102
1103	if (!e ) r = ldexpf (m , -24);
1104	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1105	else if (m ) r = ECB_NAN;
1106	else r = ECB_INFINITY;
1107
1108	return x & 0x8000 ? -r : r;
1109	}
1110		1345
1111	/* convert a float to ieee single/binary32 */	1346	/* convert a float to ieee single/binary32 */
1112	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1347	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1113	ecb_function_ uint32_t	1348	ecb_function_ ecb_const uint32_t
1114	ecb_float_to_binary32 (float x)	1349	ecb_float_to_binary32 (float x)
1115	{	1350	{
1116	uint32_t r;	1351	uint32_t r;
1117		1352
1118	#if ECB_STDFP	1353	#if ECB_STDFP
…		…
1125	if (x == 0e0f ) return 0x00000000U;	1360	if (x == 0e0f ) return 0x00000000U;
1126	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1361	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1127	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1362	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1128	if (x != x ) return 0x7fbfffffU;	1363	if (x != x ) return 0x7fbfffffU;
1129		1364
1130	m = frexpf (x, &e) * 0x1000000U;	1365	m = ecb_frexpf (x, &e) * 0x1000000U;
1131		1366
1132	r = m & 0x80000000U;	1367	r = m & 0x80000000U;
1133		1368
1134	if (r)	1369	if (r)
1135	m = -m;	1370	m = -m;
…		…
1147		1382
1148	return r;	1383	return r;
1149	}	1384	}
1150		1385
1151	/* converts an ieee single/binary32 to a float */	1386	/* converts an ieee single/binary32 to a float */
1152	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1387	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1153	ecb_function_ float	1388	ecb_function_ ecb_const float
1154	ecb_binary32_to_float (uint32_t x)	1389	ecb_binary32_to_float (uint32_t x)
1155	{	1390	{
1156	float r;	1391	float r;
1157		1392
1158	#if ECB_STDFP	1393	#if ECB_STDFP
…		…
1168	x |= 0x800000U;	1403	x |= 0x800000U;
1169	else	1404	else
1170	e = 1;	1405	e = 1;
1171		1406
1172	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1407	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1173	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1408	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1174		1409
1175	r = neg ? -r : r;	1410	r = neg ? -r : r;
1176	#endif	1411	#endif
1177		1412
1178	return r;	1413	return r;
1179	}	1414	}
1180		1415
1181	/* convert a double to ieee double/binary64 */	1416	/* convert a double to ieee double/binary64 */
1182	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1417	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1183	ecb_function_ uint64_t	1418	ecb_function_ ecb_const uint64_t
1184	ecb_double_to_binary64 (double x)	1419	ecb_double_to_binary64 (double x)
1185	{	1420	{
1186	uint64_t r;	1421	uint64_t r;
1187		1422
1188	#if ECB_STDFP	1423	#if ECB_STDFP
…		…
1217		1452
1218	return r;	1453	return r;
1219	}	1454	}
1220		1455
1221	/* converts an ieee double/binary64 to a double */	1456	/* converts an ieee double/binary64 to a double */
1222	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1457	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1223	ecb_function_ double	1458	ecb_function_ ecb_const double
1224	ecb_binary64_to_double (uint64_t x)	1459	ecb_binary64_to_double (uint64_t x)
1225	{	1460	{
1226	double r;	1461	double r;
1227		1462
1228	#if ECB_STDFP	1463	#if ECB_STDFP
…		…
1244		1479
1245	r = neg ? -r : r;	1480	r = neg ? -r : r;
1246	#endif	1481	#endif
1247		1482
1248	return r;	1483	return r;
		1484	}
		1485
		1486	/* convert a float to ieee half/binary16 */
		1487	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1488	ecb_function_ ecb_const uint16_t
		1489	ecb_float_to_binary16 (float x)
		1490	{
		1491	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1492	}
		1493
		1494	/* convert an ieee half/binary16 to float */
		1495	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1496	ecb_function_ ecb_const float
		1497	ecb_binary16_to_float (uint16_t x)
		1498	{
		1499	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1249	}	1500	}
1250		1501
1251	#endif	1502	#endif
1252		1503
1253	#endif	1504	#endif
…		…
1278	#define inline_size ecb_inline	1529	#define inline_size ecb_inline
1279		1530
1280	#if EV_FEATURE_CODE	1531	#if EV_FEATURE_CODE
1281	# define inline_speed ecb_inline	1532	# define inline_speed ecb_inline
1282	#else	1533	#else
1283	# define inline_speed static noinline	1534	# define inline_speed noinline static
1284	#endif	1535	#endif
1285		1536
1286	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1537	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1287		1538
1288	#if EV_MINPRI == EV_MAXPRI	1539	#if EV_MINPRI == EV_MAXPRI
…		…
1335	#else	1586	#else
1336		1587
1337	#include <float.h>	1588	#include <float.h>
1338		1589
1339	/* a floor() replacement function, should be independent of ev_tstamp type */	1590	/* a floor() replacement function, should be independent of ev_tstamp type */
		1591	noinline
1340	static ev_tstamp noinline	1592	static ev_tstamp
1341	ev_floor (ev_tstamp v)	1593	ev_floor (ev_tstamp v)
1342	{	1594	{
1343	/* the choice of shift factor is not terribly important */	1595	/* the choice of shift factor is not terribly important */
1344	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1596	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1345	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1597	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1377		1629
1378	#ifdef __linux	1630	#ifdef __linux
1379	# include <sys/utsname.h>	1631	# include <sys/utsname.h>
1380	#endif	1632	#endif
1381		1633
1382	static unsigned int noinline ecb_cold	1634	noinline ecb_cold
		1635	static unsigned int
1383	ev_linux_version (void)	1636	ev_linux_version (void)
1384	{	1637	{
1385	#ifdef __linux	1638	#ifdef __linux
1386	unsigned int v = 0;	1639	unsigned int v = 0;
1387	struct utsname buf;	1640	struct utsname buf;
…		…
1416	}	1669	}
1417		1670
1418	/*****************************************************************************/	1671	/*****************************************************************************/
1419		1672
1420	#if EV_AVOID_STDIO	1673	#if EV_AVOID_STDIO
1421	static void noinline ecb_cold	1674	noinline ecb_cold
		1675	static void
1422	ev_printerr (const char *msg)	1676	ev_printerr (const char *msg)
1423	{	1677	{
1424	write (STDERR_FILENO, msg, strlen (msg));	1678	write (STDERR_FILENO, msg, strlen (msg));
1425	}	1679	}
1426	#endif	1680	#endif
1427		1681
1428	static void (*syserr_cb)(const char *msg) EV_THROW;	1682	static void (*syserr_cb)(const char *msg) EV_THROW;
1429		1683
1430	void ecb_cold	1684	ecb_cold
		1685	void
1431	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1686	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1432	{	1687	{
1433	syserr_cb = cb;	1688	syserr_cb = cb;
1434	}	1689	}
1435		1690
1436	static void noinline ecb_cold	1691	noinline ecb_cold
		1692	static void
1437	ev_syserr (const char *msg)	1693	ev_syserr (const char *msg)
1438	{	1694	{
1439	if (!msg)	1695	if (!msg)
1440	msg = "(libev) system error";	1696	msg = "(libev) system error";
1441		1697
…		…
1472	return 0;	1728	return 0;
1473	}	1729	}
1474		1730
1475	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1731	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1476		1732
1477	void ecb_cold	1733	ecb_cold
		1734	void
1478	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1735	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1479	{	1736	{
1480	alloc = cb;	1737	alloc = cb;
1481	}	1738	}
1482		1739
…		…
1651	struct timespec ts;	1908	struct timespec ts;
1652		1909
1653	EV_TS_SET (ts, delay);	1910	EV_TS_SET (ts, delay);
1654	nanosleep (&ts, 0);	1911	nanosleep (&ts, 0);
1655	#elif defined _WIN32	1912	#elif defined _WIN32
		1913	/* maybe this should round up, as ms is very low resolution */
		1914	/* compared to select (µs) or nanosleep (ns) */
1656	Sleep ((unsigned long)(delay * 1e3));	1915	Sleep ((unsigned long)(delay * 1e3));
1657	#else	1916	#else
1658	struct timeval tv;	1917	struct timeval tv;
1659		1918
1660	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1919	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1691	}	1950	}
1692		1951
1693	return ncur;	1952	return ncur;
1694	}	1953	}
1695		1954
1696	static void * noinline ecb_cold	1955	noinline ecb_cold
		1956	static void *
1697	array_realloc (int elem, void *base, int *cur, int cnt)	1957	array_realloc (int elem, void *base, int *cur, int cnt)
1698	{	1958	{
1699	*cur = array_nextsize (elem, *cur, cnt);	1959	*cur = array_nextsize (elem, *cur, cnt);
1700	return ev_realloc (base, elem * *cur);	1960	return ev_realloc (base, elem * *cur);
1701	}	1961	}
…		…
1704	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1964	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1705		1965
1706	#define array_needsize(type,base,cur,cnt,init) \	1966	#define array_needsize(type,base,cur,cnt,init) \
1707	if (expect_false ((cnt) > (cur))) \	1967	if (expect_false ((cnt) > (cur))) \
1708	{ \	1968	{ \
1709	int ecb_unused ocur_ = (cur); \	1969	ecb_unused int ocur_ = (cur); \
1710	(base) = (type *)array_realloc \	1970	(base) = (type *)array_realloc \
1711	(sizeof (type), (base), &(cur), (cnt)); \	1971	(sizeof (type), (base), &(cur), (cnt)); \
1712	init ((base) + (ocur_), (cur) - ocur_); \	1972	init ((base) + (ocur_), (cur) - ocur_); \
1713	}	1973	}
1714		1974
…		…
1726	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1986	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1727		1987
1728	/*****************************************************************************/	1988	/*****************************************************************************/
1729		1989
1730	/* dummy callback for pending events */	1990	/* dummy callback for pending events */
1731	static void noinline	1991	noinline
		1992	static void
1732	pendingcb (EV_P_ ev_prepare *w, int revents)	1993	pendingcb (EV_P_ ev_prepare *w, int revents)
1733	{	1994	{
1734	}	1995	}
1735		1996
1736	void noinline	1997	noinline
		1998	void
1737	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	1999	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1738	{	2000	{
1739	W w_ = (W)w;	2001	W w_ = (W)w;
1740	int pri = ABSPRI (w_);	2002	int pri = ABSPRI (w_);
1741		2003
…		…
1871		2133
1872	fdchangecnt = 0;	2134	fdchangecnt = 0;
1873	}	2135	}
1874		2136
1875	/* something about the given fd changed */	2137	/* something about the given fd changed */
1876	inline_size void	2138	inline_size
		2139	void
1877	fd_change (EV_P_ int fd, int flags)	2140	fd_change (EV_P_ int fd, int flags)
1878	{	2141	{
1879	unsigned char reify = anfds [fd].reify;	2142	unsigned char reify = anfds [fd].reify;
1880	anfds [fd].reify |= flags;	2143	anfds [fd].reify |= flags;
1881		2144
…		…
1886	fdchanges [fdchangecnt - 1] = fd;	2149	fdchanges [fdchangecnt - 1] = fd;
1887	}	2150	}
1888	}	2151	}
1889		2152
1890	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2153	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1891	inline_speed void ecb_cold	2154	inline_speed ecb_cold void
1892	fd_kill (EV_P_ int fd)	2155	fd_kill (EV_P_ int fd)
1893	{	2156	{
1894	ev_io *w;	2157	ev_io *w;
1895		2158
1896	while ((w = (ev_io *)anfds [fd].head))	2159	while ((w = (ev_io *)anfds [fd].head))
…		…
1899	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2162	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1900	}	2163	}
1901	}	2164	}
1902		2165
1903	/* check whether the given fd is actually valid, for error recovery */	2166	/* check whether the given fd is actually valid, for error recovery */
1904	inline_size int ecb_cold	2167	inline_size ecb_cold int
1905	fd_valid (int fd)	2168	fd_valid (int fd)
1906	{	2169	{
1907	#ifdef _WIN32	2170	#ifdef _WIN32
1908	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2171	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1909	#else	2172	#else
1910	return fcntl (fd, F_GETFD) != -1;	2173	return fcntl (fd, F_GETFD) != -1;
1911	#endif	2174	#endif
1912	}	2175	}
1913		2176
1914	/* called on EBADF to verify fds */	2177	/* called on EBADF to verify fds */
1915	static void noinline ecb_cold	2178	noinline ecb_cold
		2179	static void
1916	fd_ebadf (EV_P)	2180	fd_ebadf (EV_P)
1917	{	2181	{
1918	int fd;	2182	int fd;
1919		2183
1920	for (fd = 0; fd < anfdmax; ++fd)	2184	for (fd = 0; fd < anfdmax; ++fd)
…		…
1922	if (!fd_valid (fd) && errno == EBADF)	2186	if (!fd_valid (fd) && errno == EBADF)
1923	fd_kill (EV_A_ fd);	2187	fd_kill (EV_A_ fd);
1924	}	2188	}
1925		2189
1926	/* called on ENOMEM in select/poll to kill some fds and retry */	2190	/* called on ENOMEM in select/poll to kill some fds and retry */
1927	static void noinline ecb_cold	2191	noinline ecb_cold
		2192	static void
1928	fd_enomem (EV_P)	2193	fd_enomem (EV_P)
1929	{	2194	{
1930	int fd;	2195	int fd;
1931		2196
1932	for (fd = anfdmax; fd--; )	2197	for (fd = anfdmax; fd--; )
…		…
1936	break;	2201	break;
1937	}	2202	}
1938	}	2203	}
1939		2204
1940	/* usually called after fork if backend needs to re-arm all fds from scratch */	2205	/* usually called after fork if backend needs to re-arm all fds from scratch */
1941	static void noinline	2206	noinline
		2207	static void
1942	fd_rearm_all (EV_P)	2208	fd_rearm_all (EV_P)
1943	{	2209	{
1944	int fd;	2210	int fd;
1945		2211
1946	for (fd = 0; fd < anfdmax; ++fd)	2212	for (fd = 0; fd < anfdmax; ++fd)
…		…
2127		2393
2128	/*****************************************************************************/	2394	/*****************************************************************************/
2129		2395
2130	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2396	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2131		2397
2132	static void noinline ecb_cold	2398	noinline ecb_cold
		2399	static void
2133	evpipe_init (EV_P)	2400	evpipe_init (EV_P)
2134	{	2401	{
2135	if (!ev_is_active (&pipe_w))	2402	if (!ev_is_active (&pipe_w))
2136	{	2403	{
2137	int fds [2];	2404	int fds [2];
…		…
2315	#endif	2582	#endif
2316		2583
2317	ev_feed_signal (signum);	2584	ev_feed_signal (signum);
2318	}	2585	}
2319		2586
2320	void noinline	2587	noinline
		2588	void
2321	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2589	ev_feed_signal_event (EV_P_ int signum) EV_THROW
2322	{	2590	{
2323	WL w;	2591	WL w;
2324		2592
2325	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2593	if (expect_false (signum <= 0 || signum >= EV_NSIG))
…		…
2442	#endif	2710	#endif
2443	#if EV_USE_SELECT	2711	#if EV_USE_SELECT
2444	# include "ev_select.c"	2712	# include "ev_select.c"
2445	#endif	2713	#endif
2446		2714
2447	int ecb_cold	2715	ecb_cold int
2448	ev_version_major (void) EV_THROW	2716	ev_version_major (void) EV_THROW
2449	{	2717	{
2450	return EV_VERSION_MAJOR;	2718	return EV_VERSION_MAJOR;
2451	}	2719	}
2452		2720
2453	int ecb_cold	2721	ecb_cold int
2454	ev_version_minor (void) EV_THROW	2722	ev_version_minor (void) EV_THROW
2455	{	2723	{
2456	return EV_VERSION_MINOR;	2724	return EV_VERSION_MINOR;
2457	}	2725	}
2458		2726
2459	/* return true if we are running with elevated privileges and should ignore env variables */	2727	/* return true if we are running with elevated privileges and should ignore env variables */
2460	int inline_size ecb_cold	2728	inline_size ecb_cold int
2461	enable_secure (void)	2729	enable_secure (void)
2462	{	2730	{
2463	#ifdef _WIN32	2731	#ifdef _WIN32
2464	return 0;	2732	return 0;
2465	#else	2733	#else
2466	return getuid () != geteuid ()	2734	return getuid () != geteuid ()
2467	|| getgid () != getegid ();	2735	|| getgid () != getegid ();
2468	#endif	2736	#endif
2469	}	2737	}
2470		2738
2471	unsigned int ecb_cold	2739	ecb_cold
		2740	unsigned int
2472	ev_supported_backends (void) EV_THROW	2741	ev_supported_backends (void) EV_THROW
2473	{	2742	{
2474	unsigned int flags = 0;	2743	unsigned int flags = 0;
2475		2744
2476	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2745	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
…		…
2480	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2749	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2481		2750
2482	return flags;	2751	return flags;
2483	}	2752	}
2484		2753
2485	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2486	ev_recommended_backends (void) EV_THROW	2756	ev_recommended_backends (void) EV_THROW
2487	{	2757	{
2488	unsigned int flags = ev_supported_backends ();	2758	unsigned int flags = ev_supported_backends ();
2489		2759
2490	#ifndef __NetBSD__	2760	#ifndef __NetBSD__
…		…
2502	#endif	2772	#endif
2503		2773
2504	return flags;	2774	return flags;
2505	}	2775	}
2506		2776
2507	unsigned int ecb_cold	2777	ecb_cold
		2778	unsigned int
2508	ev_embeddable_backends (void) EV_THROW	2779	ev_embeddable_backends (void) EV_THROW
2509	{	2780	{
2510	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2781	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2511		2782
2512	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2783	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
…		…
2564	{	2835	{
2565	invoke_cb = invoke_pending_cb;	2836	invoke_cb = invoke_pending_cb;
2566	}	2837	}
2567		2838
2568	void	2839	void
2569	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2840	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2570	{	2841	{
2571	release_cb = release;	2842	release_cb = release;
2572	acquire_cb = acquire;	2843	acquire_cb = acquire;
2573	}	2844	}
2574	#endif	2845	#endif
2575		2846
2576	/* initialise a loop structure, must be zero-initialised */	2847	/* initialise a loop structure, must be zero-initialised */
2577	static void noinline ecb_cold	2848	noinline ecb_cold
		2849	static void
2578	loop_init (EV_P_ unsigned int flags) EV_THROW	2850	loop_init (EV_P_ unsigned int flags) EV_THROW
2579	{	2851	{
2580	if (!backend)	2852	if (!backend)
2581	{	2853	{
2582	origflags = flags;	2854	origflags = flags;
…		…
2669	#endif	2941	#endif
2670	}	2942	}
2671	}	2943	}
2672		2944
2673	/* free up a loop structure */	2945	/* free up a loop structure */
2674	void ecb_cold	2946	ecb_cold
		2947	void
2675	ev_loop_destroy (EV_P)	2948	ev_loop_destroy (EV_P)
2676	{	2949	{
2677	int i;	2950	int i;
2678		2951
2679	#if EV_MULTIPLICITY	2952	#if EV_MULTIPLICITY
…		…
2800	#if EV_USE_INOTIFY	3073	#if EV_USE_INOTIFY
2801	infy_fork (EV_A);	3074	infy_fork (EV_A);
2802	#endif	3075	#endif
2803		3076
2804	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3077	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2805	if (ev_is_active (&pipe_w))	3078	if (ev_is_active (&pipe_w) && postfork != 2)
2806	{	3079	{
2807	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3080	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2808		3081
2809	ev_ref (EV_A);	3082	ev_ref (EV_A);
2810	ev_io_stop (EV_A_ &pipe_w);	3083	ev_io_stop (EV_A_ &pipe_w);
…		…
2821	postfork = 0;	3094	postfork = 0;
2822	}	3095	}
2823		3096
2824	#if EV_MULTIPLICITY	3097	#if EV_MULTIPLICITY
2825		3098
		3099	ecb_cold
2826	struct ev_loop * ecb_cold	3100	struct ev_loop *
2827	ev_loop_new (unsigned int flags) EV_THROW	3101	ev_loop_new (unsigned int flags) EV_THROW
2828	{	3102	{
2829	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3103	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2830		3104
2831	memset (EV_A, 0, sizeof (struct ev_loop));	3105	memset (EV_A, 0, sizeof (struct ev_loop));
…		…
2839	}	3113	}
2840		3114
2841	#endif /* multiplicity */	3115	#endif /* multiplicity */
2842		3116
2843	#if EV_VERIFY	3117	#if EV_VERIFY
2844	static void noinline ecb_cold	3118	noinline ecb_cold
		3119	static void
2845	verify_watcher (EV_P_ W w)	3120	verify_watcher (EV_P_ W w)
2846	{	3121	{
2847	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3122	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2848		3123
2849	if (w->pending)	3124	if (w->pending)
2850	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3125	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2851	}	3126	}
2852		3127
2853	static void noinline ecb_cold	3128	noinline ecb_cold
		3129	static void
2854	verify_heap (EV_P_ ANHE *heap, int N)	3130	verify_heap (EV_P_ ANHE *heap, int N)
2855	{	3131	{
2856	int i;	3132	int i;
2857		3133
2858	for (i = HEAP0; i < N + HEAP0; ++i)	3134	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2863		3139
2864	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3140	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2865	}	3141	}
2866	}	3142	}
2867		3143
2868	static void noinline ecb_cold	3144	noinline ecb_cold
		3145	static void
2869	array_verify (EV_P_ W *ws, int cnt)	3146	array_verify (EV_P_ W *ws, int cnt)
2870	{	3147	{
2871	while (cnt--)	3148	while (cnt--)
2872	{	3149	{
2873	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3150	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2962	#endif	3239	#endif
2963	}	3240	}
2964	#endif	3241	#endif
2965		3242
2966	#if EV_MULTIPLICITY	3243	#if EV_MULTIPLICITY
		3244	ecb_cold
2967	struct ev_loop * ecb_cold	3245	struct ev_loop *
2968	#else	3246	#else
2969	int	3247	int
2970	#endif	3248	#endif
2971	ev_default_loop (unsigned int flags) EV_THROW	3249	ev_default_loop (unsigned int flags) EV_THROW
2972	{	3250	{
…		…
3020	count += pendingcnt [pri];	3298	count += pendingcnt [pri];
3021		3299
3022	return count;	3300	return count;
3023	}	3301	}
3024		3302
3025	void noinline	3303	noinline
		3304	void
3026	ev_invoke_pending (EV_P)	3305	ev_invoke_pending (EV_P)
3027	{	3306	{
3028	pendingpri = NUMPRI;	3307	pendingpri = NUMPRI;
3029		3308
3030	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3309	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
…		…
3105	}	3384	}
3106	}	3385	}
3107		3386
3108	#if EV_PERIODIC_ENABLE	3387	#if EV_PERIODIC_ENABLE
3109		3388
3110	static void noinline	3389	noinline
		3390	static void
3111	periodic_recalc (EV_P_ ev_periodic *w)	3391	periodic_recalc (EV_P_ ev_periodic *w)
3112	{	3392	{
3113	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3393	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3114	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3394	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3115		3395
…		…
3173	}	3453	}
3174	}	3454	}
3175		3455
3176	/* simply recalculate all periodics */	3456	/* simply recalculate all periodics */
3177	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3457	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3178	static void noinline ecb_cold	3458	noinline ecb_cold
		3459	static void
3179	periodics_reschedule (EV_P)	3460	periodics_reschedule (EV_P)
3180	{	3461	{
3181	int i;	3462	int i;
3182		3463
3183	/* adjust periodics after time jump */	3464	/* adjust periodics after time jump */
…		…
3196	reheap (periodics, periodiccnt);	3477	reheap (periodics, periodiccnt);
3197	}	3478	}
3198	#endif	3479	#endif
3199		3480
3200	/* adjust all timers by a given offset */	3481	/* adjust all timers by a given offset */
3201	static void noinline ecb_cold	3482	noinline ecb_cold
		3483	static void
3202	timers_reschedule (EV_P_ ev_tstamp adjust)	3484	timers_reschedule (EV_P_ ev_tstamp adjust)
3203	{	3485	{
3204	int i;	3486	int i;
3205		3487
3206	for (i = 0; i < timercnt; ++i)	3488	for (i = 0; i < timercnt; ++i)
…		…
3574	w->active = 0;	3856	w->active = 0;
3575	}	3857	}
3576		3858
3577	/*****************************************************************************/	3859	/*****************************************************************************/
3578		3860
3579	void noinline	3861	noinline
		3862	void
3580	ev_io_start (EV_P_ ev_io *w) EV_THROW	3863	ev_io_start (EV_P_ ev_io *w) EV_THROW
3581	{	3864	{
3582	int fd = w->fd;	3865	int fd = w->fd;
3583		3866
3584	if (expect_false (ev_is_active (w)))	3867	if (expect_false (ev_is_active (w)))
…		…
3600	w->events &= ~EV__IOFDSET;	3883	w->events &= ~EV__IOFDSET;
3601		3884
3602	EV_FREQUENT_CHECK;	3885	EV_FREQUENT_CHECK;
3603	}	3886	}
3604		3887
3605	void noinline	3888	noinline
		3889	void
3606	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3890	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3607	{	3891	{
3608	clear_pending (EV_A_ (W)w);	3892	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	3893	if (expect_false (!ev_is_active (w)))
3610	return;	3894	return;
…		…
3619	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3903	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3620		3904
3621	EV_FREQUENT_CHECK;	3905	EV_FREQUENT_CHECK;
3622	}	3906	}
3623		3907
3624	void noinline	3908	noinline
		3909	void
3625	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3910	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3626	{	3911	{
3627	if (expect_false (ev_is_active (w)))	3912	if (expect_false (ev_is_active (w)))
3628	return;	3913	return;
3629		3914
…		…
3643	EV_FREQUENT_CHECK;	3928	EV_FREQUENT_CHECK;
3644		3929
3645	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3930	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3646	}	3931	}
3647		3932
3648	void noinline	3933	noinline
		3934	void
3649	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3935	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3650	{	3936	{
3651	clear_pending (EV_A_ (W)w);	3937	clear_pending (EV_A_ (W)w);
3652	if (expect_false (!ev_is_active (w)))	3938	if (expect_false (!ev_is_active (w)))
3653	return;	3939	return;
…		…
3673	ev_stop (EV_A_ (W)w);	3959	ev_stop (EV_A_ (W)w);
3674		3960
3675	EV_FREQUENT_CHECK;	3961	EV_FREQUENT_CHECK;
3676	}	3962	}
3677		3963
3678	void noinline	3964	noinline
		3965	void
3679	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3966	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3680	{	3967	{
3681	EV_FREQUENT_CHECK;	3968	EV_FREQUENT_CHECK;
3682		3969
3683	clear_pending (EV_A_ (W)w);	3970	clear_pending (EV_A_ (W)w);
…		…
3707	{	3994	{
3708	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3995	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3709	}	3996	}
3710		3997
3711	#if EV_PERIODIC_ENABLE	3998	#if EV_PERIODIC_ENABLE
3712	void noinline	3999	noinline
		4000	void
3713	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4001	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3714	{	4002	{
3715	if (expect_false (ev_is_active (w)))	4003	if (expect_false (ev_is_active (w)))
3716	return;	4004	return;
3717		4005
…		…
3737	EV_FREQUENT_CHECK;	4025	EV_FREQUENT_CHECK;
3738		4026
3739	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4027	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3740	}	4028	}
3741		4029
3742	void noinline	4030	noinline
		4031	void
3743	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4032	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3744	{	4033	{
3745	clear_pending (EV_A_ (W)w);	4034	clear_pending (EV_A_ (W)w);
3746	if (expect_false (!ev_is_active (w)))	4035	if (expect_false (!ev_is_active (w)))
3747	return;	4036	return;
…		…
3765	ev_stop (EV_A_ (W)w);	4054	ev_stop (EV_A_ (W)w);
3766		4055
3767	EV_FREQUENT_CHECK;	4056	EV_FREQUENT_CHECK;
3768	}	4057	}
3769		4058
3770	void noinline	4059	noinline
		4060	void
3771	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4061	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3772	{	4062	{
3773	/* TODO: use adjustheap and recalculation */	4063	/* TODO: use adjustheap and recalculation */
3774	ev_periodic_stop (EV_A_ w);	4064	ev_periodic_stop (EV_A_ w);
3775	ev_periodic_start (EV_A_ w);	4065	ev_periodic_start (EV_A_ w);
…		…
3780	# define SA_RESTART 0	4070	# define SA_RESTART 0
3781	#endif	4071	#endif
3782		4072
3783	#if EV_SIGNAL_ENABLE	4073	#if EV_SIGNAL_ENABLE
3784		4074
3785	void noinline	4075	noinline
		4076	void
3786	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4077	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3787	{	4078	{
3788	if (expect_false (ev_is_active (w)))	4079	if (expect_false (ev_is_active (w)))
3789	return;	4080	return;
3790		4081
…		…
3862	}	4153	}
3863		4154
3864	EV_FREQUENT_CHECK;	4155	EV_FREQUENT_CHECK;
3865	}	4156	}
3866		4157
3867	void noinline	4158	noinline
		4159	void
3868	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4160	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3869	{	4161	{
3870	clear_pending (EV_A_ (W)w);	4162	clear_pending (EV_A_ (W)w);
3871	if (expect_false (!ev_is_active (w)))	4163	if (expect_false (!ev_is_active (w)))
3872	return;	4164	return;
…		…
3948		4240
3949	#define DEF_STAT_INTERVAL 5.0074891	4241	#define DEF_STAT_INTERVAL 5.0074891
3950	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4242	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3951	#define MIN_STAT_INTERVAL 0.1074891	4243	#define MIN_STAT_INTERVAL 0.1074891
3952		4244
3953	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4245	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3954		4246
3955	#if EV_USE_INOTIFY	4247	#if EV_USE_INOTIFY
3956		4248
3957	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4249	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3958	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4250	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3959		4251
3960	static void noinline	4252	noinline
		4253	static void
3961	infy_add (EV_P_ ev_stat *w)	4254	infy_add (EV_P_ ev_stat *w)
3962	{	4255	{
3963	w->wd = inotify_add_watch (fs_fd, w->path,	4256	w->wd = inotify_add_watch (fs_fd, w->path,
3964	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4257	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3965	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4258	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4029	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4322	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4030	ev_timer_again (EV_A_ &w->timer);	4323	ev_timer_again (EV_A_ &w->timer);
4031	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4324	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4032	}	4325	}
4033		4326
4034	static void noinline	4327	noinline
		4328	static void
4035	infy_del (EV_P_ ev_stat *w)	4329	infy_del (EV_P_ ev_stat *w)
4036	{	4330	{
4037	int slot;	4331	int slot;
4038	int wd = w->wd;	4332	int wd = w->wd;
4039		4333
…		…
4046		4340
4047	/* remove this watcher, if others are watching it, they will rearm */	4341	/* remove this watcher, if others are watching it, they will rearm */
4048	inotify_rm_watch (fs_fd, wd);	4342	inotify_rm_watch (fs_fd, wd);
4049	}	4343	}
4050		4344
4051	static void noinline	4345	noinline
		4346	static void
4052	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4347	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4053	{	4348	{
4054	if (slot < 0)	4349	if (slot < 0)
4055	/* overflow, need to check for all hash slots */	4350	/* overflow, need to check for all hash slots */
4056	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4351	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4092	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4387	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4093	ofs += sizeof (struct inotify_event) + ev->len;	4388	ofs += sizeof (struct inotify_event) + ev->len;
4094	}	4389	}
4095	}	4390	}
4096		4391
4097	inline_size void ecb_cold	4392	inline_size ecb_cold
		4393	void
4098	ev_check_2625 (EV_P)	4394	ev_check_2625 (EV_P)
4099	{	4395	{
4100	/* kernels < 2.6.25 are borked	4396	/* kernels < 2.6.25 are borked
4101	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4397	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4102	*/	4398	*/
…		…
4200	w->attr.st_nlink = 0;	4496	w->attr.st_nlink = 0;
4201	else if (!w->attr.st_nlink)	4497	else if (!w->attr.st_nlink)
4202	w->attr.st_nlink = 1;	4498	w->attr.st_nlink = 1;
4203	}	4499	}
4204		4500
4205	static void noinline	4501	noinline
		4502	static void
4206	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4503	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4207	{	4504	{
4208	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4505	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4209		4506
4210	ev_statdata prev = w->attr;	4507	ev_statdata prev = w->attr;
…		…
4420	EV_FREQUENT_CHECK;	4717	EV_FREQUENT_CHECK;
4421	}	4718	}
4422	#endif	4719	#endif
4423		4720
4424	#if EV_EMBED_ENABLE	4721	#if EV_EMBED_ENABLE
4425	void noinline	4722	noinline
		4723	void
4426	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4724	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4427	{	4725	{
4428	ev_run (w->other, EVRUN_NOWAIT);	4726	ev_run (w->other, EVRUN_NOWAIT);
4429	}	4727	}
4430		4728
…		…
4727	}	5025	}
4728		5026
4729	/*****************************************************************************/	5027	/*****************************************************************************/
4730		5028
4731	#if EV_WALK_ENABLE	5029	#if EV_WALK_ENABLE
4732	void ecb_cold	5030	ecb_cold
		5031	void
4733	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5032	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4734	{	5033	{
4735	int i, j;	5034	int i, j;
4736	ev_watcher_list *wl, *wn;	5035	ev_watcher_list *wl, *wn;
4737		5036

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