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Comparing libev/ev.c (file contents):
Revision 1.401 by root, Tue Dec 20 04:08:35 2011 UTC vs.
Revision 1.478 by root, Sun Oct 11 13:38:44 2015 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 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
		188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
		198
188	#ifndef _WIN32	199	#ifndef _WIN32
189	# include <sys/time.h>	200	# include <sys/time.h>
190	# include <sys/wait.h>	201	# include <sys/wait.h>
191	# include <unistd.h>	202	# include <unistd.h>
192	#else	203	#else
193	# include <io.h>	204	# include <io.h>
194	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
195	# include <windows.h>	207	# include <windows.h>
196	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
197	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
198	# endif	210	# endif
199	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
208	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
209		221
210	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
211		223
212	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
213	#if defined (EV_NSIG)	225	#if defined EV_NSIG
214	/* use what's provided */	226	/* use what's provided */
215	#elif defined (NSIG)	227	#elif defined NSIG
216	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
217	#elif defined(_NSIG)	229	#elif defined _NSIG
218	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
219	#elif defined (SIGMAX)	231	#elif defined SIGMAX
220	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
221	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
222	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
223	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
224	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
225	#elif defined (MAXSIG)	237	#elif defined MAXSIG
226	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
227	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
228	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
229	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
230	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
232	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233	#else	245	#else
234	# error "unable to find value for NSIG, please report"	246	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
235	/* to make it compile regardless, just remove the above line, */
236	/* but consider reporting it, too! :) */
237	# define EV_NSIG 65
238	#endif	247	#endif
239		248
240	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
241	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
242	#endif	251	#endif
243		252
244	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
245	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
246	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
247	# else	256	# else
248	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
249	# endif	258	# endif
250	#endif	259	#endif
251		260
		261	#if !(_POSIX_TIMERS > 0)
		262	# ifndef EV_USE_MONOTONIC
		263	# define EV_USE_MONOTONIC 0
		264	# endif
		265	# ifndef EV_USE_REALTIME
		266	# define EV_USE_REALTIME 0
		267	# endif
		268	#endif
		269
252	#ifndef EV_USE_MONOTONIC	270	#ifndef EV_USE_MONOTONIC
253	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	271	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254	# define EV_USE_MONOTONIC EV_FEATURE_OS	272	# define EV_USE_MONOTONIC EV_FEATURE_OS
255	# else	273	# else
256	# define EV_USE_MONOTONIC 0	274	# define EV_USE_MONOTONIC 0
257	# endif	275	# endif
258	#endif	276	#endif
…		…
345		363
346	#ifndef EV_HEAP_CACHE_AT	364	#ifndef EV_HEAP_CACHE_AT
347	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
348	#endif	366	#endif
349		367
		368	#ifdef ANDROID
		369	/* supposedly, android doesn't typedef fd_mask */
		370	# undef EV_USE_SELECT
		371	# define EV_USE_SELECT 0
		372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		373	# undef EV_USE_CLOCK_SYSCALL
		374	# define EV_USE_CLOCK_SYSCALL 0
		375	#endif
		376
		377	/* aix's poll.h seems to cause lots of trouble */
		378	#ifdef _AIX
		379	/* AIX has a completely broken poll.h header */
		380	# undef EV_USE_POLL
		381	# define EV_USE_POLL 0
		382	#endif
		383
350	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	384	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
351	/* which makes programs even slower. might work on other unices, too. */	385	/* which makes programs even slower. might work on other unices, too. */
352	#if EV_USE_CLOCK_SYSCALL	386	#if EV_USE_CLOCK_SYSCALL
353	# include <syscall.h>	387	# include <sys/syscall.h>
354	# ifdef SYS_clock_gettime	388	# ifdef SYS_clock_gettime
355	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356	# undef EV_USE_MONOTONIC	390	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 1	391	# define EV_USE_MONOTONIC 1
358	# else	392	# else
…		…
361	# endif	395	# endif
362	#endif	396	#endif
363		397
364	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	398	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
365		399
366	#ifdef _AIX
367	/* AIX has a completely broken poll.h header */
368	# undef EV_USE_POLL
369	# define EV_USE_POLL 0
370	#endif
371
372	#ifndef CLOCK_MONOTONIC	400	#ifndef CLOCK_MONOTONIC
373	# undef EV_USE_MONOTONIC	401	# undef EV_USE_MONOTONIC
374	# define EV_USE_MONOTONIC 0	402	# define EV_USE_MONOTONIC 0
375	#endif	403	#endif
376		404
…		…
384	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
385	#endif	413	#endif
386		414
387	#if !EV_USE_NANOSLEEP	415	#if !EV_USE_NANOSLEEP
388	/* hp-ux has it in sys/time.h, which we unconditionally include above */	416	/* hp-ux has it in sys/time.h, which we unconditionally include above */
389	# if !defined(_WIN32) && !defined(__hpux)	417	# if !defined _WIN32 && !defined __hpux
390	# include <sys/select.h>	418	# include <sys/select.h>
391	# endif	419	# endif
392	#endif	420	#endif
393		421
394	#if EV_USE_INOTIFY	422	#if EV_USE_INOTIFY
…		…
397	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	425	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
398	# ifndef IN_DONT_FOLLOW	426	# ifndef IN_DONT_FOLLOW
399	# undef EV_USE_INOTIFY	427	# undef EV_USE_INOTIFY
400	# define EV_USE_INOTIFY 0	428	# define EV_USE_INOTIFY 0
401	# endif	429	# endif
402	#endif
403
404	#if EV_SELECT_IS_WINSOCKET
405	# include <winsock.h>
406	#endif	430	#endif
407		431
408	#if EV_USE_EVENTFD	432	#if EV_USE_EVENTFD
409	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	433	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
410	# include <stdint.h>	434	# include <stdint.h>
…		…
467	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
468	/* ECB.H BEGIN */	492	/* ECB.H BEGIN */
469	/*	493	/*
470	* libecb - http://software.schmorp.de/pkg/libecb	494	* libecb - http://software.schmorp.de/pkg/libecb
471	*	495	*
472	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	496	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
473	* Copyright (©) 2011 Emanuele Giaquinta	497	* Copyright (©) 2011 Emanuele Giaquinta
474	* All rights reserved.	498	* All rights reserved.
475	*	499	*
476	* Redistribution and use in source and binary forms, with or without modifica-	500	* Redistribution and use in source and binary forms, with or without modifica-
477	* tion, are permitted provided that the following conditions are met:	501	* tion, are permitted provided that the following conditions are met:
…		…
491	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	515	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
492	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	516	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
493	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	517	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
494	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	518	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
495	* OF THE POSSIBILITY OF SUCH DAMAGE.	519	* OF THE POSSIBILITY OF SUCH DAMAGE.
		520	*
		521	* Alternatively, the contents of this file may be used under the terms of
		522	* the GNU General Public License ("GPL") version 2 or any later version,
		523	* in which case the provisions of the GPL are applicable instead of
		524	* the above. If you wish to allow the use of your version of this file
		525	* only under the terms of the GPL and not to allow others to use your
		526	* version of this file under the BSD license, indicate your decision
		527	* by deleting the provisions above and replace them with the notice
		528	* and other provisions required by the GPL. If you do not delete the
		529	* provisions above, a recipient may use your version of this file under
		530	* either the BSD or the GPL.
496	*/	531	*/
497		532
498	#ifndef ECB_H	533	#ifndef ECB_H
499	#define ECB_H	534	#define ECB_H
		535
		536	/* 16 bits major, 16 bits minor */
		537	#define ECB_VERSION 0x00010004
500		538
501	#ifdef _WIN32	539	#ifdef _WIN32
502	typedef signed char int8_t;	540	typedef signed char int8_t;
503	typedef unsigned char uint8_t;	541	typedef unsigned char uint8_t;
504	typedef signed short int16_t;	542	typedef signed short int16_t;
…		…
510	typedef unsigned long long uint64_t;	548	typedef unsigned long long uint64_t;
511	#else /* _MSC_VER || __BORLANDC__ */	549	#else /* _MSC_VER || __BORLANDC__ */
512	typedef signed __int64 int64_t;	550	typedef signed __int64 int64_t;
513	typedef unsigned __int64 uint64_t;	551	typedef unsigned __int64 uint64_t;
514	#endif	552	#endif
		553	#ifdef _WIN64
		554	#define ECB_PTRSIZE 8
		555	typedef uint64_t uintptr_t;
		556	typedef int64_t intptr_t;
		557	#else
		558	#define ECB_PTRSIZE 4
		559	typedef uint32_t uintptr_t;
		560	typedef int32_t intptr_t;
		561	#endif
515	#else	562	#else
516	#include <inttypes.h>	563	#include <inttypes.h>
		564	#if UINTMAX_MAX > 0xffffffffU
		565	#define ECB_PTRSIZE 8
		566	#else
		567	#define ECB_PTRSIZE 4
		568	#endif
		569	#endif
		570
		571	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		572	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		573
		574	/* work around x32 idiocy by defining proper macros */
		575	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		576	#if _ILP32
		577	#define ECB_AMD64_X32 1
		578	#else
		579	#define ECB_AMD64 1
		580	#endif
517	#endif	581	#endif
518		582
519	/* many compilers define _GNUC_ to some versions but then only implement	583	/* many compilers define _GNUC_ to some versions but then only implement
520	* what their idiot authors think are the "more important" extensions,	584	* what their idiot authors think are the "more important" extensions,
521	* causing enormous grief in return for some better fake benchmark numbers.	585	* causing enormous grief in return for some better fake benchmark numbers.
522	* or so.	586	* or so.
523	* we try to detect these and simply assume they are not gcc - if they have	587	* we try to detect these and simply assume they are not gcc - if they have
524	* an issue with that they should have done it right in the first place.	588	* an issue with that they should have done it right in the first place.
525	*/	589	*/
526	#ifndef ECB_GCC_VERSION
527	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	590	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528	#define ECB_GCC_VERSION(major,minor) 0	591	#define ECB_GCC_VERSION(major,minor) 0
529	#else	592	#else
530	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	593	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531	#endif	594	#endif
		595
		596	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		597
		598	#if __clang__ && defined __has_builtin
		599	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		600	#else
		601	#define ECB_CLANG_BUILTIN(x) 0
		602	#endif
		603
		604	#if __clang__ && defined __has_extension
		605	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		606	#else
		607	#define ECB_CLANG_EXTENSION(x) 0
		608	#endif
		609
		610	#define ECB_CPP (__cplusplus+0)
		611	#define ECB_CPP11 (__cplusplus >= 201103L)
		612
		613	#if ECB_CPP
		614	#define ECB_C 0
		615	#define ECB_STDC_VERSION 0
		616	#else
		617	#define ECB_C 1
		618	#define ECB_STDC_VERSION __STDC_VERSION__
		619	#endif
		620
		621	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		622	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		623
		624	#if ECB_CPP
		625	#define ECB_EXTERN_C extern "C"
		626	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		627	#define ECB_EXTERN_C_END }
		628	#else
		629	#define ECB_EXTERN_C extern
		630	#define ECB_EXTERN_C_BEG
		631	#define ECB_EXTERN_C_END
532	#endif	632	#endif
533		633
534	/*****************************************************************************/	634	/*****************************************************************************/
535		635
536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	636	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	637	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538		638
539	#if ECB_NO_THREADS || ECB_NO_SMP	639	#if ECB_NO_THREADS
		640	#define ECB_NO_SMP 1
		641	#endif
		642
		643	#if ECB_NO_SMP
540	#define ECB_MEMORY_FENCE do { } while (0)	644	#define ECB_MEMORY_FENCE do { } while (0)
541	#endif	645	#endif
542		646
		647	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		648	#if __xlC__ && ECB_CPP
		649	#include <builtins.h>
		650	#endif
		651
543	#ifndef ECB_MEMORY_FENCE	652	#ifndef ECB_MEMORY_FENCE
544	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__)	653	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __i386__	654	#if __i386 || __i386__
546	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	655	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	656	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549	#elif __amd64	658	#elif ECB_GCC_AMD64
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	660	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	661	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	662	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	664	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	665	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	667	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	668	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		670	#elif __aarch64__
		671	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		672	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
		673	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		674	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		675	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		676	#elif defined __s390__ || defined __s390x__
		677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		678	#elif defined __mips__
		679	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		680	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		681	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		682	#elif defined __alpha__
		683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		684	#elif defined __hppa__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		686	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		687	#elif defined __ia64__
		688	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		689	#elif defined __m68k__
		690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		691	#elif defined __m88k__
		692	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		693	#elif defined __sh__
		694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
561	#endif	695	#endif
562	#endif	696	#endif
563	#endif	697	#endif
564		698
565	#ifndef ECB_MEMORY_FENCE	699	#ifndef ECB_MEMORY_FENCE
		700	#if ECB_GCC_VERSION(4,7)
		701	/* see comment below (stdatomic.h) about the C11 memory model. */
		702	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		703	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		704	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		705
		706	#elif ECB_CLANG_EXTENSION(c_atomic)
		707	/* see comment below (stdatomic.h) about the C11 memory model. */
		708	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		709	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		710	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		711
566	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	712	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
567	#define ECB_MEMORY_FENCE __sync_synchronize ()	713	#define ECB_MEMORY_FENCE __sync_synchronize ()
568	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	714	#elif _MSC_VER >= 1500 /* VC++ 2008 */
569	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	715	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		716	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		717	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		718	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		719	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
570	#elif _MSC_VER >= 1400 /* VC++ 2005 */	720	#elif _MSC_VER >= 1400 /* VC++ 2005 */
571	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	721	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
572	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	722	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
573	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	723	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
574	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	724	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
575	#elif defined(_WIN32)	725	#elif defined _WIN32
576	#include <WinNT.h>	726	#include <WinNT.h>
577	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	727	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		728	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		729	#include <mbarrier.h>
		730	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		731	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		732	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		733	#elif __xlC__
		734	#define ECB_MEMORY_FENCE __sync ()
		735	#endif
		736	#endif
		737
		738	#ifndef ECB_MEMORY_FENCE
		739	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		740	/* we assume that these memory fences work on all variables/all memory accesses, */
		741	/* not just C11 atomics and atomic accesses */
		742	#include <stdatomic.h>
		743	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		744	/* any fence other than seq_cst, which isn't very efficient for us. */
		745	/* Why that is, we don't know - either the C11 memory model is quite useless */
		746	/* for most usages, or gcc and clang have a bug */
		747	/* I *currently* lean towards the latter, and inefficiently implement */
		748	/* all three of ecb's fences as a seq_cst fence */
		749	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		750	/* for all __atomic_thread_fence's except seq_cst */
		751	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
578	#endif	752	#endif
579	#endif	753	#endif
580		754
581	#ifndef ECB_MEMORY_FENCE	755	#ifndef ECB_MEMORY_FENCE
582	#if !ECB_AVOID_PTHREADS	756	#if !ECB_AVOID_PTHREADS
…		…
594	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	768	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
595	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	769	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
596	#endif	770	#endif
597	#endif	771	#endif
598		772
599	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	773	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
600	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	774	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
601	#endif	775	#endif
602		776
603	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	777	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
604	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	778	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
605	#endif	779	#endif
606		780
607	/*****************************************************************************/	781	/*****************************************************************************/
608		782
609	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	783	#if ECB_CPP
610
611	#if __cplusplus
612	#define ecb_inline static inline	784	#define ecb_inline static inline
613	#elif ECB_GCC_VERSION(2,5)	785	#elif ECB_GCC_VERSION(2,5)
614	#define ecb_inline static __inline__	786	#define ecb_inline static __inline__
615	#elif ECB_C99	787	#elif ECB_C99
616	#define ecb_inline static inline	788	#define ecb_inline static inline
…		…
630		802
631	#define ECB_CONCAT_(a, b) a ## b	803	#define ECB_CONCAT_(a, b) a ## b
632	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	804	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
633	#define ECB_STRINGIFY_(a) # a	805	#define ECB_STRINGIFY_(a) # a
634	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	806	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		807	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
635		808
636	#define ecb_function_ ecb_inline	809	#define ecb_function_ ecb_inline
637		810
638	#if ECB_GCC_VERSION(3,1)	811	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
639	#define ecb_attribute(attrlist) __attribute__(attrlist)	812	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		813	#else
		814	#define ecb_attribute(attrlist)
		815	#endif
		816
		817	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
640	#define ecb_is_constant(expr) __builtin_constant_p (expr)	818	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		819	#else
		820	/* possible C11 impl for integral types
		821	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		822	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		823
		824	#define ecb_is_constant(expr) 0
		825	#endif
		826
		827	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
641	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	828	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		829	#else
		830	#define ecb_expect(expr,value) (expr)
		831	#endif
		832
		833	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
642	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	834	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
643	#else	835	#else
644	#define ecb_attribute(attrlist)
645	#define ecb_is_constant(expr) 0
646	#define ecb_expect(expr,value) (expr)
647	#define ecb_prefetch(addr,rw,locality)	836	#define ecb_prefetch(addr,rw,locality)
648	#endif	837	#endif
649		838
650	/* no emulation for ecb_decltype */	839	/* no emulation for ecb_decltype */
651	#if ECB_GCC_VERSION(4,5)	840	#if ECB_CPP11
		841	// older implementations might have problems with decltype(x)::type, work around it
		842	template<class T> struct ecb_decltype_t { typedef T type; };
652	#define ecb_decltype(x) __decltype(x)	843	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
653	#elif ECB_GCC_VERSION(3,0)	844	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
654	#define ecb_decltype(x) __typeof(x)	845	#define ecb_decltype(x) __typeof__ (x)
655	#endif	846	#endif
656		847
		848	#if _MSC_VER >= 1300
		849	#define ecb_deprecated __declspec (deprecated)
		850	#else
		851	#define ecb_deprecated ecb_attribute ((__deprecated__))
		852	#endif
		853
		854	#if _MSC_VER >= 1500
		855	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		856	#elif ECB_GCC_VERSION(4,5)
		857	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		858	#else
		859	#define ecb_deprecated_message(msg) ecb_deprecated
		860	#endif
		861
		862	#if _MSC_VER >= 1400
		863	#define ecb_noinline __declspec (noinline)
		864	#else
657	#define ecb_noinline ecb_attribute ((__noinline__))	865	#define ecb_noinline ecb_attribute ((__noinline__))
658	#define ecb_noreturn ecb_attribute ((__noreturn__))	866	#endif
		867
659	#define ecb_unused ecb_attribute ((__unused__))	868	#define ecb_unused ecb_attribute ((__unused__))
660	#define ecb_const ecb_attribute ((__const__))	869	#define ecb_const ecb_attribute ((__const__))
661	#define ecb_pure ecb_attribute ((__pure__))	870	#define ecb_pure ecb_attribute ((__pure__))
		871
		872	#if ECB_C11 || __IBMC_NORETURN
		873	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
		874	#define ecb_noreturn _Noreturn
		875	#elif ECB_CPP11
		876	#define ecb_noreturn [[noreturn]]
		877	#elif _MSC_VER >= 1200
		878	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		879	#define ecb_noreturn __declspec (noreturn)
		880	#else
		881	#define ecb_noreturn ecb_attribute ((__noreturn__))
		882	#endif
662		883
663	#if ECB_GCC_VERSION(4,3)	884	#if ECB_GCC_VERSION(4,3)
664	#define ecb_artificial ecb_attribute ((__artificial__))	885	#define ecb_artificial ecb_attribute ((__artificial__))
665	#define ecb_hot ecb_attribute ((__hot__))	886	#define ecb_hot ecb_attribute ((__hot__))
666	#define ecb_cold ecb_attribute ((__cold__))	887	#define ecb_cold ecb_attribute ((__cold__))
…		…
678	/* for compatibility to the rest of the world */	899	/* for compatibility to the rest of the world */
679	#define ecb_likely(expr) ecb_expect_true (expr)	900	#define ecb_likely(expr) ecb_expect_true (expr)
680	#define ecb_unlikely(expr) ecb_expect_false (expr)	901	#define ecb_unlikely(expr) ecb_expect_false (expr)
681		902
682	/* count trailing zero bits and count # of one bits */	903	/* count trailing zero bits and count # of one bits */
683	#if ECB_GCC_VERSION(3,4)	904	#if ECB_GCC_VERSION(3,4) \
		905	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		906	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		907	&& ECB_CLANG_BUILTIN(__builtin_popcount))
684	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	908	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
685	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	909	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
686	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	910	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
687	#define ecb_ctz32(x) __builtin_ctz (x)	911	#define ecb_ctz32(x) __builtin_ctz (x)
688	#define ecb_ctz64(x) __builtin_ctzll (x)	912	#define ecb_ctz64(x) __builtin_ctzll (x)
689	#define ecb_popcount32(x) __builtin_popcount (x)	913	#define ecb_popcount32(x) __builtin_popcount (x)
690	/* no popcountll */	914	/* no popcountll */
691	#else	915	#else
692	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	916	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
693	ecb_function_ int	917	ecb_function_ ecb_const int
694	ecb_ctz32 (uint32_t x)	918	ecb_ctz32 (uint32_t x)
695	{	919	{
696	int r = 0;	920	int r = 0;
697		921
698	x &= ~x + 1; /* this isolates the lowest bit */	922	x &= ~x + 1; /* this isolates the lowest bit */
…		…
712	#endif	936	#endif
713		937
714	return r;	938	return r;
715	}	939	}
716		940
717	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	941	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
718	ecb_function_ int	942	ecb_function_ ecb_const int
719	ecb_ctz64 (uint64_t x)	943	ecb_ctz64 (uint64_t x)
720	{	944	{
721	int shift = x & 0xffffffffU ? 0 : 32;	945	int shift = x & 0xffffffffU ? 0 : 32;
722	return ecb_ctz32 (x >> shift) + shift;	946	return ecb_ctz32 (x >> shift) + shift;
723	}	947	}
724		948
725	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	949	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
726	ecb_function_ int	950	ecb_function_ ecb_const int
727	ecb_popcount32 (uint32_t x)	951	ecb_popcount32 (uint32_t x)
728	{	952	{
729	x -= (x >> 1) & 0x55555555;	953	x -= (x >> 1) & 0x55555555;
730	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	954	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
731	x = ((x >> 4) + x) & 0x0f0f0f0f;	955	x = ((x >> 4) + x) & 0x0f0f0f0f;
732	x *= 0x01010101;	956	x *= 0x01010101;
733		957
734	return x >> 24;	958	return x >> 24;
735	}	959	}
736		960
737	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	961	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
738	ecb_function_ int ecb_ld32 (uint32_t x)	962	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
739	{	963	{
740	int r = 0;	964	int r = 0;
741		965
742	if (x >> 16) { x >>= 16; r += 16; }	966	if (x >> 16) { x >>= 16; r += 16; }
743	if (x >> 8) { x >>= 8; r += 8; }	967	if (x >> 8) { x >>= 8; r += 8; }
…		…
746	if (x >> 1) { r += 1; }	970	if (x >> 1) { r += 1; }
747		971
748	return r;	972	return r;
749	}	973	}
750		974
751	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	975	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
752	ecb_function_ int ecb_ld64 (uint64_t x)	976	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
753	{	977	{
754	int r = 0;	978	int r = 0;
755		979
756	if (x >> 32) { x >>= 32; r += 32; }	980	if (x >> 32) { x >>= 32; r += 32; }
757		981
758	return r + ecb_ld32 (x);	982	return r + ecb_ld32 (x);
759	}	983	}
760	#endif	984	#endif
761		985
		986	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		987	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		988	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		989	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		990
		991	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		992	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		993	{
		994	return ( (x * 0x0802U & 0x22110U)
		995	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		996	}
		997
		998	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		999	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		1000	{
		1001	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		1002	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		1003	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		1004	x = ( x >> 8 ) | ( x << 8);
		1005
		1006	return x;
		1007	}
		1008
		1009	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		1010	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		1011	{
		1012	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		1013	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		1014	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		1015	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		1016	x = ( x >> 16 ) | ( x << 16);
		1017
		1018	return x;
		1019	}
		1020
762	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1021	/* popcount64 is only available on 64 bit cpus as gcc builtin */
763	/* so for this version we are lazy */	1022	/* so for this version we are lazy */
764	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1023	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
765	ecb_function_ int	1024	ecb_function_ ecb_const int
766	ecb_popcount64 (uint64_t x)	1025	ecb_popcount64 (uint64_t x)
767	{	1026	{
768	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1027	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
769	}	1028	}
770		1029
771	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1030	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
772	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1031	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
773	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1032	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
774	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1033	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
775	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1034	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
776	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1035	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
777	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1036	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
778	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1037	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
779		1038
780	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1039	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
781	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1040	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
782	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1041	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
783	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1042	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
784	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1043	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
785	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1044	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
786	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1045	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
787	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1046	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
788		1047
789	#if ECB_GCC_VERSION(4,3)	1048	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1049	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1050	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1051	#else
790	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1052	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1053	#endif
791	#define ecb_bswap32(x) __builtin_bswap32 (x)	1054	#define ecb_bswap32(x) __builtin_bswap32 (x)
792	#define ecb_bswap64(x) __builtin_bswap64 (x)	1055	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1056	#elif _MSC_VER
		1057	#include <stdlib.h>
		1058	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1059	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1060	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
793	#else	1061	#else
794	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1062	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
795	ecb_function_ uint16_t	1063	ecb_function_ ecb_const uint16_t
796	ecb_bswap16 (uint16_t x)	1064	ecb_bswap16 (uint16_t x)
797	{	1065	{
798	return ecb_rotl16 (x, 8);	1066	return ecb_rotl16 (x, 8);
799	}	1067	}
800		1068
801	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1069	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
802	ecb_function_ uint32_t	1070	ecb_function_ ecb_const uint32_t
803	ecb_bswap32 (uint32_t x)	1071	ecb_bswap32 (uint32_t x)
804	{	1072	{
805	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1073	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
806	}	1074	}
807		1075
808	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1076	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
809	ecb_function_ uint64_t	1077	ecb_function_ ecb_const uint64_t
810	ecb_bswap64 (uint64_t x)	1078	ecb_bswap64 (uint64_t x)
811	{	1079	{
812	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1080	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
813	}	1081	}
814	#endif	1082	#endif
815		1083
816	#if ECB_GCC_VERSION(4,5)	1084	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
817	#define ecb_unreachable() __builtin_unreachable ()	1085	#define ecb_unreachable() __builtin_unreachable ()
818	#else	1086	#else
819	/* this seems to work fine, but gcc always emits a warning for it :/ */	1087	/* this seems to work fine, but gcc always emits a warning for it :/ */
820	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1088	ecb_inline ecb_noreturn void ecb_unreachable (void);
821	ecb_function_ void ecb_unreachable (void) { }	1089	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
822	#endif	1090	#endif
823		1091
824	/* try to tell the compiler that some condition is definitely true */	1092	/* try to tell the compiler that some condition is definitely true */
825	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1093	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
826		1094
827	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1095	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
828	ecb_function_ unsigned char	1096	ecb_inline ecb_const unsigned char
829	ecb_byteorder_helper (void)	1097	ecb_byteorder_helper (void)
830	{	1098	{
831	const uint32_t u = 0x11223344;	1099	/* the union code still generates code under pressure in gcc, */
832	return *(unsigned char *)&u;	1100	/* but less than using pointers, and always seems to */
		1101	/* successfully return a constant. */
		1102	/* the reason why we have this horrible preprocessor mess */
		1103	/* is to avoid it in all cases, at least on common architectures */
		1104	/* or when using a recent enough gcc version (>= 4.6) */
		1105	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
		1106	return 0x44;
		1107	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1108	return 0x44;
		1109	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1110	return 0x11;
		1111	#else
		1112	union
		1113	{
		1114	uint32_t i;
		1115	uint8_t c;
		1116	} u = { 0x11223344 };
		1117	return u.c;
		1118	#endif
833	}	1119	}
834		1120
835	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1121	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
836	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1122	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
837	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1123	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
838	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1124	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
839		1125
840	#if ECB_GCC_VERSION(3,0) || ECB_C99	1126	#if ECB_GCC_VERSION(3,0) || ECB_C99
841	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1127	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
842	#else	1128	#else
843	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1129	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
844	#endif	1130	#endif
845		1131
846	#if __cplusplus	1132	#if ECB_CPP
847	template<typename T>	1133	template<typename T>
848	static inline T ecb_div_rd (T val, T div)	1134	static inline T ecb_div_rd (T val, T div)
849	{	1135	{
850	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1136	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
851	}	1137	}
…		…
868	}	1154	}
869	#else	1155	#else
870	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1156	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
871	#endif	1157	#endif
872		1158
		1159	/*******************************************************************************/
		1160	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1161
		1162	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1163	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1164	#if 0 \
		1165	|| __i386 || __i386__ \
		1166	|| ECB_GCC_AMD64 \
		1167	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1168	|| defined __s390__ || defined __s390x__ \
		1169	|| defined __mips__ \
		1170	|| defined __alpha__ \
		1171	|| defined __hppa__ \
		1172	|| defined __ia64__ \
		1173	|| defined __m68k__ \
		1174	|| defined __m88k__ \
		1175	|| defined __sh__ \
		1176	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1177	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1178	|| defined __aarch64__
		1179	#define ECB_STDFP 1
		1180	#include <string.h> /* for memcpy */
		1181	#else
		1182	#define ECB_STDFP 0
		1183	#endif
		1184
		1185	#ifndef ECB_NO_LIBM
		1186
		1187	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1188
		1189	/* only the oldest of old doesn't have this one. solaris. */
		1190	#ifdef INFINITY
		1191	#define ECB_INFINITY INFINITY
		1192	#else
		1193	#define ECB_INFINITY HUGE_VAL
		1194	#endif
		1195
		1196	#ifdef NAN
		1197	#define ECB_NAN NAN
		1198	#else
		1199	#define ECB_NAN ECB_INFINITY
		1200	#endif
		1201
		1202	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1203	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1204	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1205	#else
		1206	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1207	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1208	#endif
		1209
		1210	/* converts an ieee half/binary16 to a float */
		1211	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1212	ecb_function_ ecb_const float
		1213	ecb_binary16_to_float (uint16_t x)
		1214	{
		1215	int e = (x >> 10) & 0x1f;
		1216	int m = x & 0x3ff;
		1217	float r;
		1218
		1219	if (!e ) r = ecb_ldexpf (m , -24);
		1220	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1221	else if (m ) r = ECB_NAN;
		1222	else r = ECB_INFINITY;
		1223
		1224	return x & 0x8000 ? -r : r;
		1225	}
		1226
		1227	/* convert a float to ieee single/binary32 */
		1228	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1229	ecb_function_ ecb_const uint32_t
		1230	ecb_float_to_binary32 (float x)
		1231	{
		1232	uint32_t r;
		1233
		1234	#if ECB_STDFP
		1235	memcpy (&r, &x, 4);
		1236	#else
		1237	/* slow emulation, works for anything but -0 */
		1238	uint32_t m;
		1239	int e;
		1240
		1241	if (x == 0e0f ) return 0x00000000U;
		1242	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1243	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1244	if (x != x ) return 0x7fbfffffU;
		1245
		1246	m = ecb_frexpf (x, &e) * 0x1000000U;
		1247
		1248	r = m & 0x80000000U;
		1249
		1250	if (r)
		1251	m = -m;
		1252
		1253	if (e <= -126)
		1254	{
		1255	m &= 0xffffffU;
		1256	m >>= (-125 - e);
		1257	e = -126;
		1258	}
		1259
		1260	r |= (e + 126) << 23;
		1261	r |= m & 0x7fffffU;
		1262	#endif
		1263
		1264	return r;
		1265	}
		1266
		1267	/* converts an ieee single/binary32 to a float */
		1268	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1269	ecb_function_ ecb_const float
		1270	ecb_binary32_to_float (uint32_t x)
		1271	{
		1272	float r;
		1273
		1274	#if ECB_STDFP
		1275	memcpy (&r, &x, 4);
		1276	#else
		1277	/* emulation, only works for normals and subnormals and +0 */
		1278	int neg = x >> 31;
		1279	int e = (x >> 23) & 0xffU;
		1280
		1281	x &= 0x7fffffU;
		1282
		1283	if (e)
		1284	x |= 0x800000U;
		1285	else
		1286	e = 1;
		1287
		1288	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1289	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1290
		1291	r = neg ? -r : r;
		1292	#endif
		1293
		1294	return r;
		1295	}
		1296
		1297	/* convert a double to ieee double/binary64 */
		1298	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1299	ecb_function_ ecb_const uint64_t
		1300	ecb_double_to_binary64 (double x)
		1301	{
		1302	uint64_t r;
		1303
		1304	#if ECB_STDFP
		1305	memcpy (&r, &x, 8);
		1306	#else
		1307	/* slow emulation, works for anything but -0 */
		1308	uint64_t m;
		1309	int e;
		1310
		1311	if (x == 0e0 ) return 0x0000000000000000U;
		1312	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1313	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1314	if (x != x ) return 0X7ff7ffffffffffffU;
		1315
		1316	m = frexp (x, &e) * 0x20000000000000U;
		1317
		1318	r = m & 0x8000000000000000;;
		1319
		1320	if (r)
		1321	m = -m;
		1322
		1323	if (e <= -1022)
		1324	{
		1325	m &= 0x1fffffffffffffU;
		1326	m >>= (-1021 - e);
		1327	e = -1022;
		1328	}
		1329
		1330	r |= ((uint64_t)(e + 1022)) << 52;
		1331	r |= m & 0xfffffffffffffU;
		1332	#endif
		1333
		1334	return r;
		1335	}
		1336
		1337	/* converts an ieee double/binary64 to a double */
		1338	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1339	ecb_function_ ecb_const double
		1340	ecb_binary64_to_double (uint64_t x)
		1341	{
		1342	double r;
		1343
		1344	#if ECB_STDFP
		1345	memcpy (&r, &x, 8);
		1346	#else
		1347	/* emulation, only works for normals and subnormals and +0 */
		1348	int neg = x >> 63;
		1349	int e = (x >> 52) & 0x7ffU;
		1350
		1351	x &= 0xfffffffffffffU;
		1352
		1353	if (e)
		1354	x |= 0x10000000000000U;
		1355	else
		1356	e = 1;
		1357
		1358	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1359	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1360
		1361	r = neg ? -r : r;
		1362	#endif
		1363
		1364	return r;
		1365	}
		1366
		1367	#endif
		1368
873	#endif	1369	#endif
874		1370
875	/* ECB.H END */	1371	/* ECB.H END */
876		1372
877	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1373	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
878	/* if your architecture doesn't need memory fences, e.g. because it is	1374	/* if your architecture doesn't need memory fences, e.g. because it is
879	* single-cpu/core, or if you use libev in a project that doesn't use libev	1375	* single-cpu/core, or if you use libev in a project that doesn't use libev
880	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1376	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
881	* libev, in which casess the memory fences become nops.	1377	* libev, in which cases the memory fences become nops.
882	* alternatively, you can remove this #error and link against libpthread,	1378	* alternatively, you can remove this #error and link against libpthread,
883	* which will then provide the memory fences.	1379	* which will then provide the memory fences.
884	*/	1380	*/
885	# error "memory fences not defined for your architecture, please report"	1381	# error "memory fences not defined for your architecture, please report"
886	#endif	1382	#endif
…		…
1043	{	1539	{
1044	write (STDERR_FILENO, msg, strlen (msg));	1540	write (STDERR_FILENO, msg, strlen (msg));
1045	}	1541	}
1046	#endif	1542	#endif
1047		1543
1048	static void (*syserr_cb)(const char *msg);	1544	static void (*syserr_cb)(const char *msg) EV_THROW;
1049		1545
1050	void ecb_cold	1546	void ecb_cold
1051	ev_set_syserr_cb (void (*cb)(const char *msg))	1547	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1052	{	1548	{
1053	syserr_cb = cb;	1549	syserr_cb = cb;
1054	}	1550	}
1055		1551
1056	static void noinline ecb_cold	1552	static void noinline ecb_cold
…		…
1074	abort ();	1570	abort ();
1075	}	1571	}
1076	}	1572	}
1077		1573
1078	static void *	1574	static void *
1079	ev_realloc_emul (void *ptr, long size)	1575	ev_realloc_emul (void *ptr, long size) EV_THROW
1080	{	1576	{
1081	#if __GLIBC__
1082	return realloc (ptr, size);
1083	#else
1084	/* some systems, notably openbsd and darwin, fail to properly	1577	/* some systems, notably openbsd and darwin, fail to properly
1085	* implement realloc (x, 0) (as required by both ansi c-89 and	1578	* implement realloc (x, 0) (as required by both ansi c-89 and
1086	* the single unix specification, so work around them here.	1579	* the single unix specification, so work around them here.
		1580	* recently, also (at least) fedora and debian started breaking it,
		1581	* despite documenting it otherwise.
1087	*/	1582	*/
1088		1583
1089	if (size)	1584	if (size)
1090	return realloc (ptr, size);	1585	return realloc (ptr, size);
1091		1586
1092	free (ptr);	1587	free (ptr);
1093	return 0;	1588	return 0;
1094	#endif
1095	}	1589	}
1096		1590
1097	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1591	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1098		1592
1099	void ecb_cold	1593	void ecb_cold
1100	ev_set_allocator (void *(*cb)(void *ptr, long size))	1594	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1101	{	1595	{
1102	alloc = cb;	1596	alloc = cb;
1103	}	1597	}
1104		1598
1105	inline_speed void *	1599	inline_speed void *
…		…
1193	#undef VAR	1687	#undef VAR
1194	};	1688	};
1195	#include "ev_wrap.h"	1689	#include "ev_wrap.h"
1196		1690
1197	static struct ev_loop default_loop_struct;	1691	static struct ev_loop default_loop_struct;
1198	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a defintiino despite extern */	1692	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1199		1693
1200	#else	1694	#else
1201		1695
1202	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a defintiino despite extern */	1696	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1203	#define VAR(name,decl) static decl;	1697	#define VAR(name,decl) static decl;
1204	#include "ev_vars.h"	1698	#include "ev_vars.h"
1205	#undef VAR	1699	#undef VAR
1206		1700
1207	static int ev_default_loop_ptr;	1701	static int ev_default_loop_ptr;
…		…
1222		1716
1223	/*****************************************************************************/	1717	/*****************************************************************************/
1224		1718
1225	#ifndef EV_HAVE_EV_TIME	1719	#ifndef EV_HAVE_EV_TIME
1226	ev_tstamp	1720	ev_tstamp
1227	ev_time (void)	1721	ev_time (void) EV_THROW
1228	{	1722	{
1229	#if EV_USE_REALTIME	1723	#if EV_USE_REALTIME
1230	if (expect_true (have_realtime))	1724	if (expect_true (have_realtime))
1231	{	1725	{
1232	struct timespec ts;	1726	struct timespec ts;
…		…
1256	return ev_time ();	1750	return ev_time ();
1257	}	1751	}
1258		1752
1259	#if EV_MULTIPLICITY	1753	#if EV_MULTIPLICITY
1260	ev_tstamp	1754	ev_tstamp
1261	ev_now (EV_P)	1755	ev_now (EV_P) EV_THROW
1262	{	1756	{
1263	return ev_rt_now;	1757	return ev_rt_now;
1264	}	1758	}
1265	#endif	1759	#endif
1266		1760
1267	void	1761	void
1268	ev_sleep (ev_tstamp delay)	1762	ev_sleep (ev_tstamp delay) EV_THROW
1269	{	1763	{
1270	if (delay > 0.)	1764	if (delay > 0.)
1271	{	1765	{
1272	#if EV_USE_NANOSLEEP	1766	#if EV_USE_NANOSLEEP
1273	struct timespec ts;	1767	struct timespec ts;
1274		1768
1275	EV_TS_SET (ts, delay);	1769	EV_TS_SET (ts, delay);
1276	nanosleep (&ts, 0);	1770	nanosleep (&ts, 0);
1277	#elif defined(_WIN32)	1771	#elif defined _WIN32
1278	Sleep ((unsigned long)(delay * 1e3));	1772	Sleep ((unsigned long)(delay * 1e3));
1279	#else	1773	#else
1280	struct timeval tv;	1774	struct timeval tv;
1281		1775
1282	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1776	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1354	pendingcb (EV_P_ ev_prepare *w, int revents)	1848	pendingcb (EV_P_ ev_prepare *w, int revents)
1355	{	1849	{
1356	}	1850	}
1357		1851
1358	void noinline	1852	void noinline
1359	ev_feed_event (EV_P_ void *w, int revents)	1853	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1360	{	1854	{
1361	W w_ = (W)w;	1855	W w_ = (W)w;
1362	int pri = ABSPRI (w_);	1856	int pri = ABSPRI (w_);
1363		1857
1364	if (expect_false (w_->pending))	1858	if (expect_false (w_->pending))
…		…
1368	w_->pending = ++pendingcnt [pri];	1862	w_->pending = ++pendingcnt [pri];
1369	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1863	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1370	pendings [pri][w_->pending - 1].w = w_;	1864	pendings [pri][w_->pending - 1].w = w_;
1371	pendings [pri][w_->pending - 1].events = revents;	1865	pendings [pri][w_->pending - 1].events = revents;
1372	}	1866	}
		1867
		1868	pendingpri = NUMPRI - 1;
1373	}	1869	}
1374		1870
1375	inline_speed void	1871	inline_speed void
1376	feed_reverse (EV_P_ W w)	1872	feed_reverse (EV_P_ W w)
1377	{	1873	{
…		…
1423	if (expect_true (!anfd->reify))	1919	if (expect_true (!anfd->reify))
1424	fd_event_nocheck (EV_A_ fd, revents);	1920	fd_event_nocheck (EV_A_ fd, revents);
1425	}	1921	}
1426		1922
1427	void	1923	void
1428	ev_feed_fd_event (EV_P_ int fd, int revents)	1924	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1429	{	1925	{
1430	if (fd >= 0 && fd < anfdmax)	1926	if (fd >= 0 && fd < anfdmax)
1431	fd_event_nocheck (EV_A_ fd, revents);	1927	fd_event_nocheck (EV_A_ fd, revents);
1432	}	1928	}
1433		1929
…		…
1752	static void noinline ecb_cold	2248	static void noinline ecb_cold
1753	evpipe_init (EV_P)	2249	evpipe_init (EV_P)
1754	{	2250	{
1755	if (!ev_is_active (&pipe_w))	2251	if (!ev_is_active (&pipe_w))
1756	{	2252	{
		2253	int fds [2];
		2254
1757	# if EV_USE_EVENTFD	2255	# if EV_USE_EVENTFD
		2256	fds [0] = -1;
1758	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2257	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1759	if (evfd < 0 && errno == EINVAL)	2258	if (fds [1] < 0 && errno == EINVAL)
1760	evfd = eventfd (0, 0);	2259	fds [1] = eventfd (0, 0);
1761		2260
1762	if (evfd >= 0)	2261	if (fds [1] < 0)
		2262	# endif
1763	{	2263	{
		2264	while (pipe (fds))
		2265	ev_syserr ("(libev) error creating signal/async pipe");
		2266
		2267	fd_intern (fds [0]);
		2268	}
		2269
1764	evpipe [0] = -1;	2270	evpipe [0] = fds [0];
1765	fd_intern (evfd); /* doing it twice doesn't hurt */	2271
1766	ev_io_set (&pipe_w, evfd, EV_READ);	2272	if (evpipe [1] < 0)
		2273	evpipe [1] = fds [1]; /* first call, set write fd */
		2274	else
		2275	{
		2276	/* on subsequent calls, do not change evpipe [1] */
		2277	/* so that evpipe_write can always rely on its value. */
		2278	/* this branch does not do anything sensible on windows, */
		2279	/* so must not be executed on windows */
		2280
		2281	dup2 (fds [1], evpipe [1]);
		2282	close (fds [1]);
		2283	}
		2284
		2285	fd_intern (evpipe [1]);
		2286
		2287	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2288	ev_io_start (EV_A_ &pipe_w);
		2289	ev_unref (EV_A); /* watcher should not keep loop alive */
		2290	}
		2291	}
		2292
		2293	inline_speed void
		2294	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2295	{
		2296	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2297
		2298	if (expect_true (*flag))
		2299	return;
		2300
		2301	*flag = 1;
		2302	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2303
		2304	pipe_write_skipped = 1;
		2305
		2306	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2307
		2308	if (pipe_write_wanted)
		2309	{
		2310	int old_errno;
		2311
		2312	pipe_write_skipped = 0;
		2313	ECB_MEMORY_FENCE_RELEASE;
		2314
		2315	old_errno = errno; /* save errno because write will clobber it */
		2316
		2317	#if EV_USE_EVENTFD
		2318	if (evpipe [0] < 0)
		2319	{
		2320	uint64_t counter = 1;
		2321	write (evpipe [1], &counter, sizeof (uint64_t));
1767	}	2322	}
1768	else	2323	else
1769	# endif	2324	#endif
1770	{	2325	{
1771	while (pipe (evpipe))	2326	#ifdef _WIN32
1772	ev_syserr ("(libev) error creating signal/async pipe");	2327	WSABUF buf;
1773		2328	DWORD sent;
1774	fd_intern (evpipe [0]);	2329	buf.buf = &buf;
1775	fd_intern (evpipe [1]);	2330	buf.len = 1;
1776	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2331	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1777	}	2332	#else
1778
1779	ev_io_start (EV_A_ &pipe_w);
1780	ev_unref (EV_A); /* watcher should not keep loop alive */
1781	}
1782	}
1783
1784	inline_speed void
1785	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1786	{
1787	if (expect_true (*flag))
1788	return;
1789
1790	*flag = 1;
1791
1792	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1793
1794	pipe_write_skipped = 1;
1795
1796	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1797
1798	if (pipe_write_wanted)
1799	{
1800	int old_errno;
1801
1802	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1803
1804	old_errno = errno; /* save errno because write will clobber it */
1805
1806	#if EV_USE_EVENTFD
1807	if (evfd >= 0)
1808	{
1809	uint64_t counter = 1;
1810	write (evfd, &counter, sizeof (uint64_t));
1811	}
1812	else
1813	#endif
1814	{
1815	/* win32 people keep sending patches that change this write() to send() */
1816	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1817	/* so when you think this write should be a send instead, please find out */
1818	/* where your send() is from - it's definitely not the microsoft send, and */
1819	/* tell me. thank you. */
1820	write (evpipe [1], &(evpipe [1]), 1);	2333	write (evpipe [1], &(evpipe [1]), 1);
		2334	#endif
1821	}	2335	}
1822		2336
1823	errno = old_errno;	2337	errno = old_errno;
1824	}	2338	}
1825	}	2339	}
…		…
1832	int i;	2346	int i;
1833		2347
1834	if (revents & EV_READ)	2348	if (revents & EV_READ)
1835	{	2349	{
1836	#if EV_USE_EVENTFD	2350	#if EV_USE_EVENTFD
1837	if (evfd >= 0)	2351	if (evpipe [0] < 0)
1838	{	2352	{
1839	uint64_t counter;	2353	uint64_t counter;
1840	read (evfd, &counter, sizeof (uint64_t));	2354	read (evpipe [1], &counter, sizeof (uint64_t));
1841	}	2355	}
1842	else	2356	else
1843	#endif	2357	#endif
1844	{	2358	{
1845	char dummy;	2359	char dummy[4];
1846	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2360	#ifdef _WIN32
		2361	WSABUF buf;
		2362	DWORD recvd;
		2363	DWORD flags = 0;
		2364	buf.buf = dummy;
		2365	buf.len = sizeof (dummy);
		2366	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2367	#else
1847	read (evpipe [0], &dummy, 1);	2368	read (evpipe [0], &dummy, sizeof (dummy));
		2369	#endif
1848	}	2370	}
1849	}	2371	}
1850		2372
1851	pipe_write_skipped = 0;	2373	pipe_write_skipped = 0;
		2374
		2375	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1852		2376
1853	#if EV_SIGNAL_ENABLE	2377	#if EV_SIGNAL_ENABLE
1854	if (sig_pending)	2378	if (sig_pending)
1855	{	2379	{
1856	sig_pending = 0;	2380	sig_pending = 0;
		2381
		2382	ECB_MEMORY_FENCE;
1857		2383
1858	for (i = EV_NSIG - 1; i--; )	2384	for (i = EV_NSIG - 1; i--; )
1859	if (expect_false (signals [i].pending))	2385	if (expect_false (signals [i].pending))
1860	ev_feed_signal_event (EV_A_ i + 1);	2386	ev_feed_signal_event (EV_A_ i + 1);
1861	}	2387	}
…		…
1863		2389
1864	#if EV_ASYNC_ENABLE	2390	#if EV_ASYNC_ENABLE
1865	if (async_pending)	2391	if (async_pending)
1866	{	2392	{
1867	async_pending = 0;	2393	async_pending = 0;
		2394
		2395	ECB_MEMORY_FENCE;
1868		2396
1869	for (i = asynccnt; i--; )	2397	for (i = asynccnt; i--; )
1870	if (asyncs [i]->sent)	2398	if (asyncs [i]->sent)
1871	{	2399	{
1872	asyncs [i]->sent = 0;	2400	asyncs [i]->sent = 0;
		2401	ECB_MEMORY_FENCE_RELEASE;
1873	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2402	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1874	}	2403	}
1875	}	2404	}
1876	#endif	2405	#endif
1877	}	2406	}
1878		2407
1879	/*****************************************************************************/	2408	/*****************************************************************************/
1880		2409
1881	void	2410	void
1882	ev_feed_signal (int signum)	2411	ev_feed_signal (int signum) EV_THROW
1883	{	2412	{
1884	#if EV_MULTIPLICITY	2413	#if EV_MULTIPLICITY
		2414	EV_P;
		2415	ECB_MEMORY_FENCE_ACQUIRE;
1885	EV_P = signals [signum - 1].loop;	2416	EV_A = signals [signum - 1].loop;
1886		2417
1887	if (!EV_A)	2418	if (!EV_A)
1888	return;	2419	return;
1889	#endif	2420	#endif
1890		2421
1891	if (!ev_active (&pipe_w))
1892	return;
1893
1894	signals [signum - 1].pending = 1;	2422	signals [signum - 1].pending = 1;
1895	evpipe_write (EV_A_ &sig_pending);	2423	evpipe_write (EV_A_ &sig_pending);
1896	}	2424	}
1897		2425
1898	static void	2426	static void
…		…
1904		2432
1905	ev_feed_signal (signum);	2433	ev_feed_signal (signum);
1906	}	2434	}
1907		2435
1908	void noinline	2436	void noinline
1909	ev_feed_signal_event (EV_P_ int signum)	2437	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1910	{	2438	{
1911	WL w;	2439	WL w;
1912		2440
1913	if (expect_false (signum <= 0 || signum > EV_NSIG))	2441	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1914	return;	2442	return;
1915		2443
1916	--signum;	2444	--signum;
1917		2445
1918	#if EV_MULTIPLICITY	2446	#if EV_MULTIPLICITY
…		…
1922	if (expect_false (signals [signum].loop != EV_A))	2450	if (expect_false (signals [signum].loop != EV_A))
1923	return;	2451	return;
1924	#endif	2452	#endif
1925		2453
1926	signals [signum].pending = 0;	2454	signals [signum].pending = 0;
		2455	ECB_MEMORY_FENCE_RELEASE;
1927		2456
1928	for (w = signals [signum].head; w; w = w->next)	2457	for (w = signals [signum].head; w; w = w->next)
1929	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2458	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1930	}	2459	}
1931		2460
…		…
2030	#if EV_USE_SELECT	2559	#if EV_USE_SELECT
2031	# include "ev_select.c"	2560	# include "ev_select.c"
2032	#endif	2561	#endif
2033		2562
2034	int ecb_cold	2563	int ecb_cold
2035	ev_version_major (void)	2564	ev_version_major (void) EV_THROW
2036	{	2565	{
2037	return EV_VERSION_MAJOR;	2566	return EV_VERSION_MAJOR;
2038	}	2567	}
2039		2568
2040	int ecb_cold	2569	int ecb_cold
2041	ev_version_minor (void)	2570	ev_version_minor (void) EV_THROW
2042	{	2571	{
2043	return EV_VERSION_MINOR;	2572	return EV_VERSION_MINOR;
2044	}	2573	}
2045		2574
2046	/* return true if we are running with elevated privileges and should ignore env variables */	2575	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2054	|| getgid () != getegid ();	2583	|| getgid () != getegid ();
2055	#endif	2584	#endif
2056	}	2585	}
2057		2586
2058	unsigned int ecb_cold	2587	unsigned int ecb_cold
2059	ev_supported_backends (void)	2588	ev_supported_backends (void) EV_THROW
2060	{	2589	{
2061	unsigned int flags = 0;	2590	unsigned int flags = 0;
2062		2591
2063	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2592	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2064	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2593	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2068		2597
2069	return flags;	2598	return flags;
2070	}	2599	}
2071		2600
2072	unsigned int ecb_cold	2601	unsigned int ecb_cold
2073	ev_recommended_backends (void)	2602	ev_recommended_backends (void) EV_THROW
2074	{	2603	{
2075	unsigned int flags = ev_supported_backends ();	2604	unsigned int flags = ev_supported_backends ();
2076		2605
2077	#ifndef __NetBSD__	2606	#ifndef __NetBSD__
2078	/* kqueue is borked on everything but netbsd apparently */	2607	/* kqueue is borked on everything but netbsd apparently */
…		…
2090		2619
2091	return flags;	2620	return flags;
2092	}	2621	}
2093		2622
2094	unsigned int ecb_cold	2623	unsigned int ecb_cold
2095	ev_embeddable_backends (void)	2624	ev_embeddable_backends (void) EV_THROW
2096	{	2625	{
2097	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2626	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2098		2627
2099	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2628	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2100	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2629	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2102		2631
2103	return flags;	2632	return flags;
2104	}	2633	}
2105		2634
2106	unsigned int	2635	unsigned int
2107	ev_backend (EV_P)	2636	ev_backend (EV_P) EV_THROW
2108	{	2637	{
2109	return backend;	2638	return backend;
2110	}	2639	}
2111		2640
2112	#if EV_FEATURE_API	2641	#if EV_FEATURE_API
2113	unsigned int	2642	unsigned int
2114	ev_iteration (EV_P)	2643	ev_iteration (EV_P) EV_THROW
2115	{	2644	{
2116	return loop_count;	2645	return loop_count;
2117	}	2646	}
2118		2647
2119	unsigned int	2648	unsigned int
2120	ev_depth (EV_P)	2649	ev_depth (EV_P) EV_THROW
2121	{	2650	{
2122	return loop_depth;	2651	return loop_depth;
2123	}	2652	}
2124		2653
2125	void	2654	void
2126	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2655	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2127	{	2656	{
2128	io_blocktime = interval;	2657	io_blocktime = interval;
2129	}	2658	}
2130		2659
2131	void	2660	void
2132	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2661	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2133	{	2662	{
2134	timeout_blocktime = interval;	2663	timeout_blocktime = interval;
2135	}	2664	}
2136		2665
2137	void	2666	void
2138	ev_set_userdata (EV_P_ void *data)	2667	ev_set_userdata (EV_P_ void *data) EV_THROW
2139	{	2668	{
2140	userdata = data;	2669	userdata = data;
2141	}	2670	}
2142		2671
2143	void *	2672	void *
2144	ev_userdata (EV_P)	2673	ev_userdata (EV_P) EV_THROW
2145	{	2674	{
2146	return userdata;	2675	return userdata;
2147	}	2676	}
2148		2677
2149	void	2678	void
2150	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2679	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2151	{	2680	{
2152	invoke_cb = invoke_pending_cb;	2681	invoke_cb = invoke_pending_cb;
2153	}	2682	}
2154		2683
2155	void	2684	void
2156	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2685	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2157	{	2686	{
2158	release_cb = release;	2687	release_cb = release;
2159	acquire_cb = acquire;	2688	acquire_cb = acquire;
2160	}	2689	}
2161	#endif	2690	#endif
2162		2691
2163	/* initialise a loop structure, must be zero-initialised */	2692	/* initialise a loop structure, must be zero-initialised */
2164	static void noinline ecb_cold	2693	static void noinline ecb_cold
2165	loop_init (EV_P_ unsigned int flags)	2694	loop_init (EV_P_ unsigned int flags) EV_THROW
2166	{	2695	{
2167	if (!backend)	2696	if (!backend)
2168	{	2697	{
2169	origflags = flags;	2698	origflags = flags;
2170		2699
…		…
2215	#if EV_ASYNC_ENABLE	2744	#if EV_ASYNC_ENABLE
2216	async_pending = 0;	2745	async_pending = 0;
2217	#endif	2746	#endif
2218	pipe_write_skipped = 0;	2747	pipe_write_skipped = 0;
2219	pipe_write_wanted = 0;	2748	pipe_write_wanted = 0;
		2749	evpipe [0] = -1;
		2750	evpipe [1] = -1;
2220	#if EV_USE_INOTIFY	2751	#if EV_USE_INOTIFY
2221	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2752	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2222	#endif	2753	#endif
2223	#if EV_USE_SIGNALFD	2754	#if EV_USE_SIGNALFD
2224	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2755	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2275	EV_INVOKE_PENDING;	2806	EV_INVOKE_PENDING;
2276	}	2807	}
2277	#endif	2808	#endif
2278		2809
2279	#if EV_CHILD_ENABLE	2810	#if EV_CHILD_ENABLE
2280	if (ev_is_active (&childev))	2811	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2281	{	2812	{
2282	ev_ref (EV_A); /* child watcher */	2813	ev_ref (EV_A); /* child watcher */
2283	ev_signal_stop (EV_A_ &childev);	2814	ev_signal_stop (EV_A_ &childev);
2284	}	2815	}
2285	#endif	2816	#endif
…		…
2287	if (ev_is_active (&pipe_w))	2818	if (ev_is_active (&pipe_w))
2288	{	2819	{
2289	/*ev_ref (EV_A);*/	2820	/*ev_ref (EV_A);*/
2290	/*ev_io_stop (EV_A_ &pipe_w);*/	2821	/*ev_io_stop (EV_A_ &pipe_w);*/
2291		2822
2292	#if EV_USE_EVENTFD
2293	if (evfd >= 0)
2294	close (evfd);
2295	#endif
2296
2297	if (evpipe [0] >= 0)
2298	{
2299	EV_WIN32_CLOSE_FD (evpipe [0]);	2823	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2300	EV_WIN32_CLOSE_FD (evpipe [1]);	2824	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2301	}
2302	}	2825	}
2303		2826
2304	#if EV_USE_SIGNALFD	2827	#if EV_USE_SIGNALFD
2305	if (ev_is_active (&sigfd_w))	2828	if (ev_is_active (&sigfd_w))
2306	close (sigfd);	2829	close (sigfd);
…		…
2392	#endif	2915	#endif
2393	#if EV_USE_INOTIFY	2916	#if EV_USE_INOTIFY
2394	infy_fork (EV_A);	2917	infy_fork (EV_A);
2395	#endif	2918	#endif
2396		2919
		2920	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2397	if (ev_is_active (&pipe_w))	2921	if (ev_is_active (&pipe_w) && postfork != 2)
2398	{	2922	{
2399	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2923	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2400		2924
2401	ev_ref (EV_A);	2925	ev_ref (EV_A);
2402	ev_io_stop (EV_A_ &pipe_w);	2926	ev_io_stop (EV_A_ &pipe_w);
2403		2927
2404	#if EV_USE_EVENTFD
2405	if (evfd >= 0)
2406	close (evfd);
2407	#endif
2408
2409	if (evpipe [0] >= 0)	2928	if (evpipe [0] >= 0)
2410	{
2411	EV_WIN32_CLOSE_FD (evpipe [0]);	2929	EV_WIN32_CLOSE_FD (evpipe [0]);
2412	EV_WIN32_CLOSE_FD (evpipe [1]);
2413	}
2414		2930
2415	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2416	evpipe_init (EV_A);	2931	evpipe_init (EV_A);
2417	/* now iterate over everything, in case we missed something */	2932	/* iterate over everything, in case we missed something before */
2418	pipecb (EV_A_ &pipe_w, EV_READ);	2933	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2419	#endif
2420	}	2934	}
		2935	#endif
2421		2936
2422	postfork = 0;	2937	postfork = 0;
2423	}	2938	}
2424		2939
2425	#if EV_MULTIPLICITY	2940	#if EV_MULTIPLICITY
2426		2941
2427	struct ev_loop * ecb_cold	2942	struct ev_loop * ecb_cold
2428	ev_loop_new (unsigned int flags)	2943	ev_loop_new (unsigned int flags) EV_THROW
2429	{	2944	{
2430	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2945	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2431		2946
2432	memset (EV_A, 0, sizeof (struct ev_loop));	2947	memset (EV_A, 0, sizeof (struct ev_loop));
2433	loop_init (EV_A_ flags);	2948	loop_init (EV_A_ flags);
…		…
2477	}	2992	}
2478	#endif	2993	#endif
2479		2994
2480	#if EV_FEATURE_API	2995	#if EV_FEATURE_API
2481	void ecb_cold	2996	void ecb_cold
2482	ev_verify (EV_P)	2997	ev_verify (EV_P) EV_THROW
2483	{	2998	{
2484	#if EV_VERIFY	2999	#if EV_VERIFY
2485	int i;	3000	int i;
2486	WL w;	3001	WL w, w2;
2487		3002
2488	assert (activecnt >= -1);	3003	assert (activecnt >= -1);
2489		3004
2490	assert (fdchangemax >= fdchangecnt);	3005	assert (fdchangemax >= fdchangecnt);
2491	for (i = 0; i < fdchangecnt; ++i)	3006	for (i = 0; i < fdchangecnt; ++i)
2492	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	3007	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2493		3008
2494	assert (anfdmax >= 0);	3009	assert (anfdmax >= 0);
2495	for (i = 0; i < anfdmax; ++i)	3010	for (i = 0; i < anfdmax; ++i)
		3011	{
		3012	int j = 0;
		3013
2496	for (w = anfds [i].head; w; w = w->next)	3014	for (w = w2 = anfds [i].head; w; w = w->next)
2497	{	3015	{
2498	verify_watcher (EV_A_ (W)w);	3016	verify_watcher (EV_A_ (W)w);
		3017
		3018	if (j++ & 1)
		3019	{
		3020	assert (("libev: io watcher list contains a loop", w != w2));
		3021	w2 = w2->next;
		3022	}
		3023
2499	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	3024	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2500	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	3025	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2501	}	3026	}
		3027	}
2502		3028
2503	assert (timermax >= timercnt);	3029	assert (timermax >= timercnt);
2504	verify_heap (EV_A_ timers, timercnt);	3030	verify_heap (EV_A_ timers, timercnt);
2505		3031
2506	#if EV_PERIODIC_ENABLE	3032	#if EV_PERIODIC_ENABLE
…		…
2556	#if EV_MULTIPLICITY	3082	#if EV_MULTIPLICITY
2557	struct ev_loop * ecb_cold	3083	struct ev_loop * ecb_cold
2558	#else	3084	#else
2559	int	3085	int
2560	#endif	3086	#endif
2561	ev_default_loop (unsigned int flags)	3087	ev_default_loop (unsigned int flags) EV_THROW
2562	{	3088	{
2563	if (!ev_default_loop_ptr)	3089	if (!ev_default_loop_ptr)
2564	{	3090	{
2565	#if EV_MULTIPLICITY	3091	#if EV_MULTIPLICITY
2566	EV_P = ev_default_loop_ptr = &default_loop_struct;	3092	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2585		3111
2586	return ev_default_loop_ptr;	3112	return ev_default_loop_ptr;
2587	}	3113	}
2588		3114
2589	void	3115	void
2590	ev_loop_fork (EV_P)	3116	ev_loop_fork (EV_P) EV_THROW
2591	{	3117	{
2592	postfork = 1; /* must be in line with ev_default_fork */	3118	postfork = 1;
2593	}	3119	}
2594		3120
2595	/*****************************************************************************/	3121	/*****************************************************************************/
2596		3122
2597	void	3123	void
…		…
2599	{	3125	{
2600	EV_CB_INVOKE ((W)w, revents);	3126	EV_CB_INVOKE ((W)w, revents);
2601	}	3127	}
2602		3128
2603	unsigned int	3129	unsigned int
2604	ev_pending_count (EV_P)	3130	ev_pending_count (EV_P) EV_THROW
2605	{	3131	{
2606	int pri;	3132	int pri;
2607	unsigned int count = 0;	3133	unsigned int count = 0;
2608		3134
2609	for (pri = NUMPRI; pri--; )	3135	for (pri = NUMPRI; pri--; )
…		…
2613	}	3139	}
2614		3140
2615	void noinline	3141	void noinline
2616	ev_invoke_pending (EV_P)	3142	ev_invoke_pending (EV_P)
2617	{	3143	{
2618	int pri;	3144	pendingpri = NUMPRI;
2619		3145
2620	for (pri = NUMPRI; pri--; )	3146	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3147	{
		3148	--pendingpri;
		3149
2621	while (pendingcnt [pri])	3150	while (pendingcnt [pendingpri])
2622	{	3151	{
2623	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3152	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2624		3153
2625	p->w->pending = 0;	3154	p->w->pending = 0;
2626	EV_CB_INVOKE (p->w, p->events);	3155	EV_CB_INVOKE (p->w, p->events);
2627	EV_FREQUENT_CHECK;	3156	EV_FREQUENT_CHECK;
2628	}	3157	}
		3158	}
2629	}	3159	}
2630		3160
2631	#if EV_IDLE_ENABLE	3161	#if EV_IDLE_ENABLE
2632	/* make idle watchers pending. this handles the "call-idle */	3162	/* make idle watchers pending. this handles the "call-idle */
2633	/* only when higher priorities are idle" logic */	3163	/* only when higher priorities are idle" logic */
…		…
2723	{	3253	{
2724	EV_FREQUENT_CHECK;	3254	EV_FREQUENT_CHECK;
2725		3255
2726	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3256	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2727	{	3257	{
2728	int feed_count = 0;
2729
2730	do	3258	do
2731	{	3259	{
2732	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3260	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2733		3261
2734	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3262	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2868		3396
2869	mn_now = ev_rt_now;	3397	mn_now = ev_rt_now;
2870	}	3398	}
2871	}	3399	}
2872		3400
2873	void	3401	int
2874	ev_run (EV_P_ int flags)	3402	ev_run (EV_P_ int flags)
2875	{	3403	{
2876	#if EV_FEATURE_API	3404	#if EV_FEATURE_API
2877	++loop_depth;	3405	++loop_depth;
2878	#endif	3406	#endif
…		…
2991	#endif	3519	#endif
2992	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3520	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2993	backend_poll (EV_A_ waittime);	3521	backend_poll (EV_A_ waittime);
2994	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3522	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2995		3523
2996	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3524	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2997		3525
		3526	ECB_MEMORY_FENCE_ACQUIRE;
2998	if (pipe_write_skipped)	3527	if (pipe_write_skipped)
2999	{	3528	{
3000	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3529	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3001	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3530	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3002	}	3531	}
…		…
3035	loop_done = EVBREAK_CANCEL;	3564	loop_done = EVBREAK_CANCEL;
3036		3565
3037	#if EV_FEATURE_API	3566	#if EV_FEATURE_API
3038	--loop_depth;	3567	--loop_depth;
3039	#endif	3568	#endif
		3569
		3570	return activecnt;
3040	}	3571	}
3041		3572
3042	void	3573	void
3043	ev_break (EV_P_ int how)	3574	ev_break (EV_P_ int how) EV_THROW
3044	{	3575	{
3045	loop_done = how;	3576	loop_done = how;
3046	}	3577	}
3047		3578
3048	void	3579	void
3049	ev_ref (EV_P)	3580	ev_ref (EV_P) EV_THROW
3050	{	3581	{
3051	++activecnt;	3582	++activecnt;
3052	}	3583	}
3053		3584
3054	void	3585	void
3055	ev_unref (EV_P)	3586	ev_unref (EV_P) EV_THROW
3056	{	3587	{
3057	--activecnt;	3588	--activecnt;
3058	}	3589	}
3059		3590
3060	void	3591	void
3061	ev_now_update (EV_P)	3592	ev_now_update (EV_P) EV_THROW
3062	{	3593	{
3063	time_update (EV_A_ 1e100);	3594	time_update (EV_A_ 1e100);
3064	}	3595	}
3065		3596
3066	void	3597	void
3067	ev_suspend (EV_P)	3598	ev_suspend (EV_P) EV_THROW
3068	{	3599	{
3069	ev_now_update (EV_A);	3600	ev_now_update (EV_A);
3070	}	3601	}
3071		3602
3072	void	3603	void
3073	ev_resume (EV_P)	3604	ev_resume (EV_P) EV_THROW
3074	{	3605	{
3075	ev_tstamp mn_prev = mn_now;	3606	ev_tstamp mn_prev = mn_now;
3076		3607
3077	ev_now_update (EV_A);	3608	ev_now_update (EV_A);
3078	timers_reschedule (EV_A_ mn_now - mn_prev);	3609	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3117	w->pending = 0;	3648	w->pending = 0;
3118	}	3649	}
3119	}	3650	}
3120		3651
3121	int	3652	int
3122	ev_clear_pending (EV_P_ void *w)	3653	ev_clear_pending (EV_P_ void *w) EV_THROW
3123	{	3654	{
3124	W w_ = (W)w;	3655	W w_ = (W)w;
3125	int pending = w_->pending;	3656	int pending = w_->pending;
3126		3657
3127	if (expect_true (pending))	3658	if (expect_true (pending))
…		…
3160	}	3691	}
3161		3692
3162	/*****************************************************************************/	3693	/*****************************************************************************/
3163		3694
3164	void noinline	3695	void noinline
3165	ev_io_start (EV_P_ ev_io *w)	3696	ev_io_start (EV_P_ ev_io *w) EV_THROW
3166	{	3697	{
3167	int fd = w->fd;	3698	int fd = w->fd;
3168		3699
3169	if (expect_false (ev_is_active (w)))	3700	if (expect_false (ev_is_active (w)))
3170	return;	3701	return;
…		…
3176		3707
3177	ev_start (EV_A_ (W)w, 1);	3708	ev_start (EV_A_ (W)w, 1);
3178	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3709	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3179	wlist_add (&anfds[fd].head, (WL)w);	3710	wlist_add (&anfds[fd].head, (WL)w);
3180		3711
		3712	/* common bug, apparently */
		3713	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3714
3181	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3715	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3182	w->events &= ~EV__IOFDSET;	3716	w->events &= ~EV__IOFDSET;
3183		3717
3184	EV_FREQUENT_CHECK;	3718	EV_FREQUENT_CHECK;
3185	}	3719	}
3186		3720
3187	void noinline	3721	void noinline
3188	ev_io_stop (EV_P_ ev_io *w)	3722	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3189	{	3723	{
3190	clear_pending (EV_A_ (W)w);	3724	clear_pending (EV_A_ (W)w);
3191	if (expect_false (!ev_is_active (w)))	3725	if (expect_false (!ev_is_active (w)))
3192	return;	3726	return;
3193		3727
…		…
3202		3736
3203	EV_FREQUENT_CHECK;	3737	EV_FREQUENT_CHECK;
3204	}	3738	}
3205		3739
3206	void noinline	3740	void noinline
3207	ev_timer_start (EV_P_ ev_timer *w)	3741	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3208	{	3742	{
3209	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
3210	return;	3744	return;
3211		3745
3212	ev_at (w) += mn_now;	3746	ev_at (w) += mn_now;
…		…
3226		3760
3227	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3761	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3228	}	3762	}
3229		3763
3230	void noinline	3764	void noinline
3231	ev_timer_stop (EV_P_ ev_timer *w)	3765	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3232	{	3766	{
3233	clear_pending (EV_A_ (W)w);	3767	clear_pending (EV_A_ (W)w);
3234	if (expect_false (!ev_is_active (w)))	3768	if (expect_false (!ev_is_active (w)))
3235	return;	3769	return;
3236		3770
…		…
3256		3790
3257	EV_FREQUENT_CHECK;	3791	EV_FREQUENT_CHECK;
3258	}	3792	}
3259		3793
3260	void noinline	3794	void noinline
3261	ev_timer_again (EV_P_ ev_timer *w)	3795	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3262	{	3796	{
3263	EV_FREQUENT_CHECK;	3797	EV_FREQUENT_CHECK;
		3798
		3799	clear_pending (EV_A_ (W)w);
3264		3800
3265	if (ev_is_active (w))	3801	if (ev_is_active (w))
3266	{	3802	{
3267	if (w->repeat)	3803	if (w->repeat)
3268	{	3804	{
…		…
3281		3817
3282	EV_FREQUENT_CHECK;	3818	EV_FREQUENT_CHECK;
3283	}	3819	}
3284		3820
3285	ev_tstamp	3821	ev_tstamp
3286	ev_timer_remaining (EV_P_ ev_timer *w)	3822	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3287	{	3823	{
3288	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3824	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3289	}	3825	}
3290		3826
3291	#if EV_PERIODIC_ENABLE	3827	#if EV_PERIODIC_ENABLE
3292	void noinline	3828	void noinline
3293	ev_periodic_start (EV_P_ ev_periodic *w)	3829	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3294	{	3830	{
3295	if (expect_false (ev_is_active (w)))	3831	if (expect_false (ev_is_active (w)))
3296	return;	3832	return;
3297		3833
3298	if (w->reschedule_cb)	3834	if (w->reschedule_cb)
…		…
3318		3854
3319	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3855	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3320	}	3856	}
3321		3857
3322	void noinline	3858	void noinline
3323	ev_periodic_stop (EV_P_ ev_periodic *w)	3859	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3324	{	3860	{
3325	clear_pending (EV_A_ (W)w);	3861	clear_pending (EV_A_ (W)w);
3326	if (expect_false (!ev_is_active (w)))	3862	if (expect_false (!ev_is_active (w)))
3327	return;	3863	return;
3328		3864
…		…
3346		3882
3347	EV_FREQUENT_CHECK;	3883	EV_FREQUENT_CHECK;
3348	}	3884	}
3349		3885
3350	void noinline	3886	void noinline
3351	ev_periodic_again (EV_P_ ev_periodic *w)	3887	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3352	{	3888	{
3353	/* TODO: use adjustheap and recalculation */	3889	/* TODO: use adjustheap and recalculation */
3354	ev_periodic_stop (EV_A_ w);	3890	ev_periodic_stop (EV_A_ w);
3355	ev_periodic_start (EV_A_ w);	3891	ev_periodic_start (EV_A_ w);
3356	}	3892	}
…		…
3361	#endif	3897	#endif
3362		3898
3363	#if EV_SIGNAL_ENABLE	3899	#if EV_SIGNAL_ENABLE
3364		3900
3365	void noinline	3901	void noinline
3366	ev_signal_start (EV_P_ ev_signal *w)	3902	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3367	{	3903	{
3368	if (expect_false (ev_is_active (w)))	3904	if (expect_false (ev_is_active (w)))
3369	return;	3905	return;
3370		3906
3371	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3907	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3373	#if EV_MULTIPLICITY	3909	#if EV_MULTIPLICITY
3374	assert (("libev: a signal must not be attached to two different loops",	3910	assert (("libev: a signal must not be attached to two different loops",
3375	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3911	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3376		3912
3377	signals [w->signum - 1].loop = EV_A;	3913	signals [w->signum - 1].loop = EV_A;
		3914	ECB_MEMORY_FENCE_RELEASE;
3378	#endif	3915	#endif
3379		3916
3380	EV_FREQUENT_CHECK;	3917	EV_FREQUENT_CHECK;
3381		3918
3382	#if EV_USE_SIGNALFD	3919	#if EV_USE_SIGNALFD
…		…
3442		3979
3443	EV_FREQUENT_CHECK;	3980	EV_FREQUENT_CHECK;
3444	}	3981	}
3445		3982
3446	void noinline	3983	void noinline
3447	ev_signal_stop (EV_P_ ev_signal *w)	3984	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3448	{	3985	{
3449	clear_pending (EV_A_ (W)w);	3986	clear_pending (EV_A_ (W)w);
3450	if (expect_false (!ev_is_active (w)))	3987	if (expect_false (!ev_is_active (w)))
3451	return;	3988	return;
3452		3989
…		…
3483	#endif	4020	#endif
3484		4021
3485	#if EV_CHILD_ENABLE	4022	#if EV_CHILD_ENABLE
3486		4023
3487	void	4024	void
3488	ev_child_start (EV_P_ ev_child *w)	4025	ev_child_start (EV_P_ ev_child *w) EV_THROW
3489	{	4026	{
3490	#if EV_MULTIPLICITY	4027	#if EV_MULTIPLICITY
3491	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4028	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3492	#endif	4029	#endif
3493	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
…		…
3500		4037
3501	EV_FREQUENT_CHECK;	4038	EV_FREQUENT_CHECK;
3502	}	4039	}
3503		4040
3504	void	4041	void
3505	ev_child_stop (EV_P_ ev_child *w)	4042	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3506	{	4043	{
3507	clear_pending (EV_A_ (W)w);	4044	clear_pending (EV_A_ (W)w);
3508	if (expect_false (!ev_is_active (w)))	4045	if (expect_false (!ev_is_active (w)))
3509	return;	4046	return;
3510		4047
…		…
3537	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4074	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3538		4075
3539	static void noinline	4076	static void noinline
3540	infy_add (EV_P_ ev_stat *w)	4077	infy_add (EV_P_ ev_stat *w)
3541	{	4078	{
3542	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	4079	w->wd = inotify_add_watch (fs_fd, w->path,
		4080	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4081	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4082	| IN_DONT_FOLLOW | IN_MASK_ADD);
3543		4083
3544	if (w->wd >= 0)	4084	if (w->wd >= 0)
3545	{	4085	{
3546	struct statfs sfs;	4086	struct statfs sfs;
3547		4087
…		…
3551		4091
3552	if (!fs_2625)	4092	if (!fs_2625)
3553	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4093	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3554	else if (!statfs (w->path, &sfs)	4094	else if (!statfs (w->path, &sfs)
3555	&& (sfs.f_type == 0x1373 /* devfs */	4095	&& (sfs.f_type == 0x1373 /* devfs */
		4096	|| sfs.f_type == 0x4006 /* fat */
		4097	|| sfs.f_type == 0x4d44 /* msdos */
3556	|| sfs.f_type == 0xEF53 /* ext2/3 */	4098	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4099	|| sfs.f_type == 0x72b6 /* jffs2 */
		4100	|| sfs.f_type == 0x858458f6 /* ramfs */
		4101	|| sfs.f_type == 0x5346544e /* ntfs */
3557	|| sfs.f_type == 0x3153464a /* jfs */	4102	|| sfs.f_type == 0x3153464a /* jfs */
		4103	|| sfs.f_type == 0x9123683e /* btrfs */
3558	|| sfs.f_type == 0x52654973 /* reiser3 */	4104	|| sfs.f_type == 0x52654973 /* reiser3 */
3559	|| sfs.f_type == 0x01021994 /* tempfs */	4105	|| sfs.f_type == 0x01021994 /* tmpfs */
3560	|| sfs.f_type == 0x58465342 /* xfs */))	4106	|| sfs.f_type == 0x58465342 /* xfs */))
3561	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4107	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3562	else	4108	else
3563	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4109	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3564	}	4110	}
…		…
3677	}	4223	}
3678		4224
3679	inline_size int	4225	inline_size int
3680	infy_newfd (void)	4226	infy_newfd (void)
3681	{	4227	{
3682	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4228	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3683	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4229	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3684	if (fd >= 0)	4230	if (fd >= 0)
3685	return fd;	4231	return fd;
3686	#endif	4232	#endif
3687	return inotify_init ();	4233	return inotify_init ();
…		…
3762	#else	4308	#else
3763	# define EV_LSTAT(p,b) lstat (p, b)	4309	# define EV_LSTAT(p,b) lstat (p, b)
3764	#endif	4310	#endif
3765		4311
3766	void	4312	void
3767	ev_stat_stat (EV_P_ ev_stat *w)	4313	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3768	{	4314	{
3769	if (lstat (w->path, &w->attr) < 0)	4315	if (lstat (w->path, &w->attr) < 0)
3770	w->attr.st_nlink = 0;	4316	w->attr.st_nlink = 0;
3771	else if (!w->attr.st_nlink)	4317	else if (!w->attr.st_nlink)
3772	w->attr.st_nlink = 1;	4318	w->attr.st_nlink = 1;
…		…
3811	ev_feed_event (EV_A_ w, EV_STAT);	4357	ev_feed_event (EV_A_ w, EV_STAT);
3812	}	4358	}
3813	}	4359	}
3814		4360
3815	void	4361	void
3816	ev_stat_start (EV_P_ ev_stat *w)	4362	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3817	{	4363	{
3818	if (expect_false (ev_is_active (w)))	4364	if (expect_false (ev_is_active (w)))
3819	return;	4365	return;
3820		4366
3821	ev_stat_stat (EV_A_ w);	4367	ev_stat_stat (EV_A_ w);
…		…
3842		4388
3843	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3844	}	4390	}
3845		4391
3846	void	4392	void
3847	ev_stat_stop (EV_P_ ev_stat *w)	4393	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3848	{	4394	{
3849	clear_pending (EV_A_ (W)w);	4395	clear_pending (EV_A_ (W)w);
3850	if (expect_false (!ev_is_active (w)))	4396	if (expect_false (!ev_is_active (w)))
3851	return;	4397	return;
3852		4398
…		…
3868	}	4414	}
3869	#endif	4415	#endif
3870		4416
3871	#if EV_IDLE_ENABLE	4417	#if EV_IDLE_ENABLE
3872	void	4418	void
3873	ev_idle_start (EV_P_ ev_idle *w)	4419	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3874	{	4420	{
3875	if (expect_false (ev_is_active (w)))	4421	if (expect_false (ev_is_active (w)))
3876	return;	4422	return;
3877		4423
3878	pri_adjust (EV_A_ (W)w);	4424	pri_adjust (EV_A_ (W)w);
…		…
3891		4437
3892	EV_FREQUENT_CHECK;	4438	EV_FREQUENT_CHECK;
3893	}	4439	}
3894		4440
3895	void	4441	void
3896	ev_idle_stop (EV_P_ ev_idle *w)	4442	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3897	{	4443	{
3898	clear_pending (EV_A_ (W)w);	4444	clear_pending (EV_A_ (W)w);
3899	if (expect_false (!ev_is_active (w)))	4445	if (expect_false (!ev_is_active (w)))
3900	return;	4446	return;
3901		4447
…		…
3915	}	4461	}
3916	#endif	4462	#endif
3917		4463
3918	#if EV_PREPARE_ENABLE	4464	#if EV_PREPARE_ENABLE
3919	void	4465	void
3920	ev_prepare_start (EV_P_ ev_prepare *w)	4466	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3921	{	4467	{
3922	if (expect_false (ev_is_active (w)))	4468	if (expect_false (ev_is_active (w)))
3923	return;	4469	return;
3924		4470
3925	EV_FREQUENT_CHECK;	4471	EV_FREQUENT_CHECK;
…		…
3930		4476
3931	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
3932	}	4478	}
3933		4479
3934	void	4480	void
3935	ev_prepare_stop (EV_P_ ev_prepare *w)	4481	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3936	{	4482	{
3937	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
3938	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
3939	return;	4485	return;
3940		4486
…		…
3953	}	4499	}
3954	#endif	4500	#endif
3955		4501
3956	#if EV_CHECK_ENABLE	4502	#if EV_CHECK_ENABLE
3957	void	4503	void
3958	ev_check_start (EV_P_ ev_check *w)	4504	ev_check_start (EV_P_ ev_check *w) EV_THROW
3959	{	4505	{
3960	if (expect_false (ev_is_active (w)))	4506	if (expect_false (ev_is_active (w)))
3961	return;	4507	return;
3962		4508
3963	EV_FREQUENT_CHECK;	4509	EV_FREQUENT_CHECK;
…		…
3968		4514
3969	EV_FREQUENT_CHECK;	4515	EV_FREQUENT_CHECK;
3970	}	4516	}
3971		4517
3972	void	4518	void
3973	ev_check_stop (EV_P_ ev_check *w)	4519	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3974	{	4520	{
3975	clear_pending (EV_A_ (W)w);	4521	clear_pending (EV_A_ (W)w);
3976	if (expect_false (!ev_is_active (w)))	4522	if (expect_false (!ev_is_active (w)))
3977	return;	4523	return;
3978		4524
…		…
3991	}	4537	}
3992	#endif	4538	#endif
3993		4539
3994	#if EV_EMBED_ENABLE	4540	#if EV_EMBED_ENABLE
3995	void noinline	4541	void noinline
3996	ev_embed_sweep (EV_P_ ev_embed *w)	4542	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3997	{	4543	{
3998	ev_run (w->other, EVRUN_NOWAIT);	4544	ev_run (w->other, EVRUN_NOWAIT);
3999	}	4545	}
4000		4546
4001	static void	4547	static void
…		…
4049	ev_idle_stop (EV_A_ idle);	4595	ev_idle_stop (EV_A_ idle);
4050	}	4596	}
4051	#endif	4597	#endif
4052		4598
4053	void	4599	void
4054	ev_embed_start (EV_P_ ev_embed *w)	4600	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4055	{	4601	{
4056	if (expect_false (ev_is_active (w)))	4602	if (expect_false (ev_is_active (w)))
4057	return;	4603	return;
4058		4604
4059	{	4605	{
…		…
4080		4626
4081	EV_FREQUENT_CHECK;	4627	EV_FREQUENT_CHECK;
4082	}	4628	}
4083		4629
4084	void	4630	void
4085	ev_embed_stop (EV_P_ ev_embed *w)	4631	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4086	{	4632	{
4087	clear_pending (EV_A_ (W)w);	4633	clear_pending (EV_A_ (W)w);
4088	if (expect_false (!ev_is_active (w)))	4634	if (expect_false (!ev_is_active (w)))
4089	return;	4635	return;
4090		4636
…		…
4100	}	4646	}
4101	#endif	4647	#endif
4102		4648
4103	#if EV_FORK_ENABLE	4649	#if EV_FORK_ENABLE
4104	void	4650	void
4105	ev_fork_start (EV_P_ ev_fork *w)	4651	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4106	{	4652	{
4107	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4108	return;	4654	return;
4109		4655
4110	EV_FREQUENT_CHECK;	4656	EV_FREQUENT_CHECK;
…		…
4115		4661
4116	EV_FREQUENT_CHECK;	4662	EV_FREQUENT_CHECK;
4117	}	4663	}
4118		4664
4119	void	4665	void
4120	ev_fork_stop (EV_P_ ev_fork *w)	4666	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4121	{	4667	{
4122	clear_pending (EV_A_ (W)w);	4668	clear_pending (EV_A_ (W)w);
4123	if (expect_false (!ev_is_active (w)))	4669	if (expect_false (!ev_is_active (w)))
4124	return;	4670	return;
4125		4671
…		…
4138	}	4684	}
4139	#endif	4685	#endif
4140		4686
4141	#if EV_CLEANUP_ENABLE	4687	#if EV_CLEANUP_ENABLE
4142	void	4688	void
4143	ev_cleanup_start (EV_P_ ev_cleanup *w)	4689	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4144	{	4690	{
4145	if (expect_false (ev_is_active (w)))	4691	if (expect_false (ev_is_active (w)))
4146	return;	4692	return;
4147		4693
4148	EV_FREQUENT_CHECK;	4694	EV_FREQUENT_CHECK;
…		…
4155	ev_unref (EV_A);	4701	ev_unref (EV_A);
4156	EV_FREQUENT_CHECK;	4702	EV_FREQUENT_CHECK;
4157	}	4703	}
4158		4704
4159	void	4705	void
4160	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4706	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4161	{	4707	{
4162	clear_pending (EV_A_ (W)w);	4708	clear_pending (EV_A_ (W)w);
4163	if (expect_false (!ev_is_active (w)))	4709	if (expect_false (!ev_is_active (w)))
4164	return;	4710	return;
4165		4711
…		…
4179	}	4725	}
4180	#endif	4726	#endif
4181		4727
4182	#if EV_ASYNC_ENABLE	4728	#if EV_ASYNC_ENABLE
4183	void	4729	void
4184	ev_async_start (EV_P_ ev_async *w)	4730	ev_async_start (EV_P_ ev_async *w) EV_THROW
4185	{	4731	{
4186	if (expect_false (ev_is_active (w)))	4732	if (expect_false (ev_is_active (w)))
4187	return;	4733	return;
4188		4734
4189	w->sent = 0;	4735	w->sent = 0;
…		…
4198		4744
4199	EV_FREQUENT_CHECK;	4745	EV_FREQUENT_CHECK;
4200	}	4746	}
4201		4747
4202	void	4748	void
4203	ev_async_stop (EV_P_ ev_async *w)	4749	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4204	{	4750	{
4205	clear_pending (EV_A_ (W)w);	4751	clear_pending (EV_A_ (W)w);
4206	if (expect_false (!ev_is_active (w)))	4752	if (expect_false (!ev_is_active (w)))
4207	return;	4753	return;
4208		4754
…		…
4219		4765
4220	EV_FREQUENT_CHECK;	4766	EV_FREQUENT_CHECK;
4221	}	4767	}
4222		4768
4223	void	4769	void
4224	ev_async_send (EV_P_ ev_async *w)	4770	ev_async_send (EV_P_ ev_async *w) EV_THROW
4225	{	4771	{
4226	w->sent = 1;	4772	w->sent = 1;
4227	evpipe_write (EV_A_ &async_pending);	4773	evpipe_write (EV_A_ &async_pending);
4228	}	4774	}
4229	#endif	4775	#endif
…		…
4266		4812
4267	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4813	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4268	}	4814	}
4269		4815
4270	void	4816	void
4271	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4817	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4272	{	4818	{
4273	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4819	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4274		4820
4275	if (expect_false (!once))	4821	if (expect_false (!once))
4276	{	4822	{
…		…
4298		4844
4299	/*****************************************************************************/	4845	/*****************************************************************************/
4300		4846
4301	#if EV_WALK_ENABLE	4847	#if EV_WALK_ENABLE
4302	void ecb_cold	4848	void ecb_cold
4303	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4849	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4304	{	4850	{
4305	int i, j;	4851	int i, j;
4306	ev_watcher_list *wl, *wn;	4852	ev_watcher_list *wl, *wn;
4307		4853
4308	if (types & (EV_IO | EV_EMBED))	4854	if (types & (EV_IO | EV_EMBED))

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