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Comparing libev/ev.c (file contents):
Revision 1.396 by root, Wed Aug 24 16:13:17 2011 UTC vs.
Revision 1.474 by root, Wed Feb 11 19:20:21 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	EV_CPP(extern "C" {)	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
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* 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 */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */
239	# define EV_NSIG 65
240	#endif	247	#endif
241		248
242	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
243	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
244	#endif	251	#endif
245		252
246	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
247	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249	# else	256	# else
250	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	258	# endif
252	#endif	259	#endif
253		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
254	#ifndef EV_USE_MONOTONIC	270	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	271	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	272	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	273	# else
258	# define EV_USE_MONOTONIC 0	274	# define EV_USE_MONOTONIC 0
259	# endif	275	# endif
260	#endif	276	#endif
…		…
347		363
348	#ifndef EV_HEAP_CACHE_AT	364	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	366	#endif
351		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
352	/* 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, */
353	/* which makes programs even slower. might work on other unices, too. */	385	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	386	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	387	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	388	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	390	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	391	# define EV_USE_MONOTONIC 1
360	# else	392	# else
…		…
363	# endif	395	# endif
364	#endif	396	#endif
365		397
366	/* 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 */
367		399
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	400	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	401	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	402	# define EV_USE_MONOTONIC 0
377	#endif	403	#endif
378		404
…		…
386	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
387	#endif	413	#endif
388		414
389	#if !EV_USE_NANOSLEEP	415	#if !EV_USE_NANOSLEEP
390	/* 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 */
391	# if !defined(_WIN32) && !defined(__hpux)	417	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	418	# include <sys/select.h>
393	# endif	419	# endif
394	#endif	420	#endif
395		421
396	#if EV_USE_INOTIFY	422	#if EV_USE_INOTIFY
…		…
399	/* 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 */
400	# ifndef IN_DONT_FOLLOW	426	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	427	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	428	# define EV_USE_INOTIFY 0
403	# endif	429	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	430	#endif
409		431
410	#if EV_USE_EVENTFD	432	#if EV_USE_EVENTFD
411	/* 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 */
412	# include <stdint.h>	434	# include <stdint.h>
…		…
469	/* 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 */
470	/* ECB.H BEGIN */	492	/* ECB.H BEGIN */
471	/*	493	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	494	* libecb - http://software.schmorp.de/pkg/libecb
473	*	495	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	496	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	497	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	498	* All rights reserved.
477	*	499	*
478	* 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-
479	* tion, are permitted provided that the following conditions are met:	501	* tion, are permitted provided that the following conditions are met:
…		…
493	* 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;
494	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	516	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
495	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	517	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
496	* 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
497	* 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.
498	*/	531	*/
499		532
500	#ifndef ECB_H	533	#ifndef ECB_H
501	#define ECB_H	534	#define ECB_H
		535
		536	/* 16 bits major, 16 bits minor */
		537	#define ECB_VERSION 0x00010004
502		538
503	#ifdef _WIN32	539	#ifdef _WIN32
504	typedef signed char int8_t;	540	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	541	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	542	typedef signed short int16_t;
…		…
512	typedef unsigned long long uint64_t;	548	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	549	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	550	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	551	typedef unsigned __int64 uint64_t;
516	#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
517	#else	562	#else
518	#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	/* work around x32 idiocy by defining proper macros */
		572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		573	#if _ILP32
		574	#define ECB_AMD64_X32 1
		575	#else
		576	#define ECB_AMD64 1
		577	#endif
519	#endif	578	#endif
520		579
521	/* many compilers define _GNUC_ to some versions but then only implement	580	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	581	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	582	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	583	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	584	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	585	* an issue with that they should have done it right in the first place.
527	*/	586	*/
528	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	587	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	588	#define ECB_GCC_VERSION(major,minor) 0
531	#else	589	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	590	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	591	#endif
		592
		593	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		594
		595	#if __clang__ && defined __has_builtin
		596	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		597	#else
		598	#define ECB_CLANG_BUILTIN(x) 0
		599	#endif
		600
		601	#if __clang__ && defined __has_extension
		602	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		603	#else
		604	#define ECB_CLANG_EXTENSION(x) 0
		605	#endif
		606
		607	#define ECB_CPP (__cplusplus+0)
		608	#define ECB_CPP11 (__cplusplus >= 201103L)
		609
		610	#if ECB_CPP
		611	#define ECB_C 0
		612	#define ECB_STDC_VERSION 0
		613	#else
		614	#define ECB_C 1
		615	#define ECB_STDC_VERSION __STDC_VERSION__
		616	#endif
		617
		618	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		619	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		620
		621	#if ECB_CPP
		622	#define ECB_EXTERN_C extern "C"
		623	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		624	#define ECB_EXTERN_C_END }
		625	#else
		626	#define ECB_EXTERN_C extern
		627	#define ECB_EXTERN_C_BEG
		628	#define ECB_EXTERN_C_END
534	#endif	629	#endif
535		630
536	/*****************************************************************************/	631	/*****************************************************************************/
537		632
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	633	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	634	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		635
541	#if ECB_NO_THREADS || ECB_NO_SMP	636	#if ECB_NO_THREADS
		637	#define ECB_NO_SMP 1
		638	#endif
		639
		640	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	641	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	642	#endif
544		643
545	#ifndef ECB_MEMORY_FENCE	644	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	645	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	646	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	647	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	648	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	649	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	650	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	652	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	653	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	654	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	655	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	656	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	657	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	658	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	659	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	660	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		662	#elif __aarch64__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		664	#elif (__sparc || __sparc__) && !__sparcv8
		665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		666	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		667	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		668	#elif defined __s390__ || defined __s390x__
		669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		670	#elif defined __mips__
		671	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		672	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		673	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		674	#elif defined __alpha__
		675	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		676	#elif defined __hppa__
		677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		678	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		679	#elif defined __ia64__
		680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		681	#elif defined __m68k__
		682	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		683	#elif defined __m88k__
		684	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		685	#elif defined __sh__
		686	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
563	#endif	687	#endif
564	#endif	688	#endif
565	#endif	689	#endif
566		690
567	#ifndef ECB_MEMORY_FENCE	691	#ifndef ECB_MEMORY_FENCE
		692	#if ECB_GCC_VERSION(4,7)
		693	/* see comment below (stdatomic.h) about the C11 memory model. */
		694	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		695	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		696	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		697
		698	#elif ECB_CLANG_EXTENSION(c_atomic)
		699	/* see comment below (stdatomic.h) about the C11 memory model. */
		700	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		701	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		702	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		703
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	704	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	705	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	706	#elif _MSC_VER >= 1500 /* VC++ 2008 */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	707	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		708	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		709	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		710	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		711	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	712	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	713	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	714	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	715	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	716	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	717	#elif defined _WIN32
578	#include <WinNT.h>	718	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	719	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		720	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		721	#include <mbarrier.h>
		722	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		723	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		724	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		725	#elif __xlC__
		726	#define ECB_MEMORY_FENCE __sync ()
		727	#endif
		728	#endif
		729
		730	#ifndef ECB_MEMORY_FENCE
		731	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		732	/* we assume that these memory fences work on all variables/all memory accesses, */
		733	/* not just C11 atomics and atomic accesses */
		734	#include <stdatomic.h>
		735	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		736	/* any fence other than seq_cst, which isn't very efficient for us. */
		737	/* Why that is, we don't know - either the C11 memory model is quite useless */
		738	/* for most usages, or gcc and clang have a bug */
		739	/* I *currently* lean towards the latter, and inefficiently implement */
		740	/* all three of ecb's fences as a seq_cst fence */
		741	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		742	/* for all __atomic_thread_fence's except seq_cst */
		743	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	744	#endif
581	#endif	745	#endif
582		746
583	#ifndef ECB_MEMORY_FENCE	747	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	748	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	760	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	761	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	762	#endif
599	#endif	763	#endif
600		764
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	765	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	766	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	767	#endif
604		768
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	769	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	770	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	771	#endif
608		772
609	/*****************************************************************************/	773	/*****************************************************************************/
610		774
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	775	#if ECB_CPP
612
613	#if __cplusplus
614	#define ecb_inline static inline	776	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	777	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	778	#define ecb_inline static __inline__
617	#elif ECB_C99	779	#elif ECB_C99
618	#define ecb_inline static inline	780	#define ecb_inline static inline
…		…
635	#define ECB_STRINGIFY_(a) # a	797	#define ECB_STRINGIFY_(a) # a
636	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	798	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
637		799
638	#define ecb_function_ ecb_inline	800	#define ecb_function_ ecb_inline
639		801
640	#if ECB_GCC_VERSION(3,1)	802	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
641	#define ecb_attribute(attrlist) __attribute__(attrlist)	803	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		804	#else
		805	#define ecb_attribute(attrlist)
		806	#endif
		807
		808	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
642	#define ecb_is_constant(expr) __builtin_constant_p (expr)	809	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		810	#else
		811	/* possible C11 impl for integral types
		812	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		813	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		814
		815	#define ecb_is_constant(expr) 0
		816	#endif
		817
		818	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
643	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	819	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		820	#else
		821	#define ecb_expect(expr,value) (expr)
		822	#endif
		823
		824	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
644	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	825	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
645	#else	826	#else
646	#define ecb_attribute(attrlist)
647	#define ecb_is_constant(expr) 0
648	#define ecb_expect(expr,value) (expr)
649	#define ecb_prefetch(addr,rw,locality)	827	#define ecb_prefetch(addr,rw,locality)
650	#endif	828	#endif
651		829
652	/* no emulation for ecb_decltype */	830	/* no emulation for ecb_decltype */
653	#if ECB_GCC_VERSION(4,5)	831	#if ECB_CPP11
		832	// older implementations might have problems with decltype(x)::type, work around it
		833	template<class T> struct ecb_decltype_t { typedef T type; };
654	#define ecb_decltype(x) __decltype(x)	834	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
655	#elif ECB_GCC_VERSION(3,0)	835	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
656	#define ecb_decltype(x) __typeof(x)	836	#define ecb_decltype(x) __typeof__ (x)
		837	#endif
		838
		839	#if _MSC_VER >= 1300
		840	#define ecb_deprecated __declspec (deprecated)
		841	#else
		842	#define ecb_deprecated ecb_attribute ((__deprecated__))
657	#endif	843	#endif
658		844
659	#define ecb_noinline ecb_attribute ((__noinline__))	845	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	846	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	847	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	848	#define ecb_pure ecb_attribute ((__pure__))
		849
		850	/* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
		851	#if ECB_C11 || __IBMC_NORETURN
		852	/* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */
		853	#define ecb_noreturn _Noreturn
		854	#else
		855	#define ecb_noreturn ecb_attribute ((__noreturn__))
		856	#endif
664		857
665	#if ECB_GCC_VERSION(4,3)	858	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	859	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	860	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	861	#define ecb_cold ecb_attribute ((__cold__))
…		…
680	/* for compatibility to the rest of the world */	873	/* for compatibility to the rest of the world */
681	#define ecb_likely(expr) ecb_expect_true (expr)	874	#define ecb_likely(expr) ecb_expect_true (expr)
682	#define ecb_unlikely(expr) ecb_expect_false (expr)	875	#define ecb_unlikely(expr) ecb_expect_false (expr)
683		876
684	/* count trailing zero bits and count # of one bits */	877	/* count trailing zero bits and count # of one bits */
685	#if ECB_GCC_VERSION(3,4)	878	#if ECB_GCC_VERSION(3,4) \
		879	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		880	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		881	&& ECB_CLANG_BUILTIN(__builtin_popcount))
686	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	882	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
687	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	883	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
688	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	884	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
689	#define ecb_ctz32(x) __builtin_ctz (x)	885	#define ecb_ctz32(x) __builtin_ctz (x)
690	#define ecb_ctz64(x) __builtin_ctzll (x)	886	#define ecb_ctz64(x) __builtin_ctzll (x)
691	#define ecb_popcount32(x) __builtin_popcount (x)	887	#define ecb_popcount32(x) __builtin_popcount (x)
692	/* no popcountll */	888	/* no popcountll */
693	#else	889	#else
694	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	890	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
695	ecb_function_ int	891	ecb_function_ ecb_const int
696	ecb_ctz32 (uint32_t x)	892	ecb_ctz32 (uint32_t x)
697	{	893	{
698	int r = 0;	894	int r = 0;
699		895
700	x &= ~x + 1; /* this isolates the lowest bit */	896	x &= ~x + 1; /* this isolates the lowest bit */
…		…
714	#endif	910	#endif
715		911
716	return r;	912	return r;
717	}	913	}
718		914
719	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	915	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
720	ecb_function_ int	916	ecb_function_ ecb_const int
721	ecb_ctz64 (uint64_t x)	917	ecb_ctz64 (uint64_t x)
722	{	918	{
723	int shift = x & 0xffffffffU ? 0 : 32;	919	int shift = x & 0xffffffffU ? 0 : 32;
724	return ecb_ctz32 (x >> shift) + shift;	920	return ecb_ctz32 (x >> shift) + shift;
725	}	921	}
726		922
727	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	923	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
728	ecb_function_ int	924	ecb_function_ ecb_const int
729	ecb_popcount32 (uint32_t x)	925	ecb_popcount32 (uint32_t x)
730	{	926	{
731	x -= (x >> 1) & 0x55555555;	927	x -= (x >> 1) & 0x55555555;
732	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	928	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
733	x = ((x >> 4) + x) & 0x0f0f0f0f;	929	x = ((x >> 4) + x) & 0x0f0f0f0f;
734	x *= 0x01010101;	930	x *= 0x01010101;
735		931
736	return x >> 24;	932	return x >> 24;
737	}	933	}
738		934
739	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	935	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
740	ecb_function_ int ecb_ld32 (uint32_t x)	936	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
741	{	937	{
742	int r = 0;	938	int r = 0;
743		939
744	if (x >> 16) { x >>= 16; r += 16; }	940	if (x >> 16) { x >>= 16; r += 16; }
745	if (x >> 8) { x >>= 8; r += 8; }	941	if (x >> 8) { x >>= 8; r += 8; }
…		…
748	if (x >> 1) { r += 1; }	944	if (x >> 1) { r += 1; }
749		945
750	return r;	946	return r;
751	}	947	}
752		948
753	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	949	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
754	ecb_function_ int ecb_ld64 (uint64_t x)	950	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
755	{	951	{
756	int r = 0;	952	int r = 0;
757		953
758	if (x >> 32) { x >>= 32; r += 32; }	954	if (x >> 32) { x >>= 32; r += 32; }
759		955
760	return r + ecb_ld32 (x);	956	return r + ecb_ld32 (x);
761	}	957	}
762	#endif	958	#endif
763		959
		960	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		961	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		962	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		963	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		964
		965	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		966	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		967	{
		968	return ( (x * 0x0802U & 0x22110U)
		969	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		970	}
		971
		972	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		973	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		974	{
		975	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		976	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		977	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		978	x = ( x >> 8 ) | ( x << 8);
		979
		980	return x;
		981	}
		982
		983	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		984	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		985	{
		986	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		987	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		988	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		989	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		990	x = ( x >> 16 ) | ( x << 16);
		991
		992	return x;
		993	}
		994
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	995	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	996	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	997	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
767	ecb_function_ int	998	ecb_function_ ecb_const int
768	ecb_popcount64 (uint64_t x)	999	ecb_popcount64 (uint64_t x)
769	{	1000	{
770	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1001	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
771	}	1002	}
772		1003
773	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1004	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
774	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1005	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
775	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1006	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
776	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1007	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
777	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1008	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
778	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1009	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
779	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1010	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
780	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1011	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
781		1012
782	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1013	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
783	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1014	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
784	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1015	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
785	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1016	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
786	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1017	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
787	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1018	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
788	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1019	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
789	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1020	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
790		1021
791	#if ECB_GCC_VERSION(4,3)	1022	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
792	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1023	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
793	#define ecb_bswap32(x) __builtin_bswap32 (x)	1024	#define ecb_bswap32(x) __builtin_bswap32 (x)
794	#define ecb_bswap64(x) __builtin_bswap64 (x)	1025	#define ecb_bswap64(x) __builtin_bswap64 (x)
795	#else	1026	#else
796	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1027	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
797	ecb_function_ uint16_t	1028	ecb_function_ ecb_const uint16_t
798	ecb_bswap16 (uint16_t x)	1029	ecb_bswap16 (uint16_t x)
799	{	1030	{
800	return ecb_rotl16 (x, 8);	1031	return ecb_rotl16 (x, 8);
801	}	1032	}
802		1033
803	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1034	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
804	ecb_function_ uint32_t	1035	ecb_function_ ecb_const uint32_t
805	ecb_bswap32 (uint32_t x)	1036	ecb_bswap32 (uint32_t x)
806	{	1037	{
807	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1038	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
808	}	1039	}
809		1040
810	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1041	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
811	ecb_function_ uint64_t	1042	ecb_function_ ecb_const uint64_t
812	ecb_bswap64 (uint64_t x)	1043	ecb_bswap64 (uint64_t x)
813	{	1044	{
814	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1045	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
815	}	1046	}
816	#endif	1047	#endif
817		1048
818	#if ECB_GCC_VERSION(4,5)	1049	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
819	#define ecb_unreachable() __builtin_unreachable ()	1050	#define ecb_unreachable() __builtin_unreachable ()
820	#else	1051	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	1052	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1053	ecb_inline ecb_noreturn void ecb_unreachable (void);
823	ecb_function_ void ecb_unreachable (void) { }	1054	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
824	#endif	1055	#endif
825		1056
826	/* try to tell the compiler that some condition is definitely true */	1057	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1058	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		1059
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1060	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
830	ecb_function_ unsigned char	1061	ecb_inline ecb_const unsigned char
831	ecb_byteorder_helper (void)	1062	ecb_byteorder_helper (void)
832	{	1063	{
833	const uint32_t u = 0x11223344;	1064	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	1065	/* but less than using pointers, and always seems to */
		1066	/* successfully return a constant. */
		1067	/* the reason why we have this horrible preprocessor mess */
		1068	/* is to avoid it in all cases, at least on common architectures */
		1069	/* or when using a recent enough gcc version (>= 4.6) */
		1070	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		1071	return 0x44;
		1072	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1073	return 0x44;
		1074	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1075	return 0x11;
		1076	#else
		1077	union
		1078	{
		1079	uint32_t i;
		1080	uint8_t c;
		1081	} u = { 0x11223344 };
		1082	return u.c;
		1083	#endif
835	}	1084	}
836		1085
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1086	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1087	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1088	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1089	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1090
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1091	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1092	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1093	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1094	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1095	#endif
		1096
		1097	#if ECB_CPP
		1098	template<typename T>
		1099	static inline T ecb_div_rd (T val, T div)
		1100	{
		1101	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1102	}
		1103	template<typename T>
		1104	static inline T ecb_div_ru (T val, T div)
		1105	{
		1106	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1107	}
		1108	#else
		1109	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1110	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1111	#endif
847		1112
848	#if ecb_cplusplus_does_not_suck	1113	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1114	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	1115	template<typename T, int N>
…		…
854	}	1119	}
855	#else	1120	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1121	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1122	#endif
858		1123
		1124	/*******************************************************************************/
		1125	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1126
		1127	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1128	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1129	#if 0 \
		1130	|| __i386 || __i386__ \
		1131	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1132	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1133	|| defined __s390__ || defined __s390x__ \
		1134	|| defined __mips__ \
		1135	|| defined __alpha__ \
		1136	|| defined __hppa__ \
		1137	|| defined __ia64__ \
		1138	|| defined __m68k__ \
		1139	|| defined __m88k__ \
		1140	|| defined __sh__ \
		1141	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1142	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1143	|| defined __aarch64__
		1144	#define ECB_STDFP 1
		1145	#include <string.h> /* for memcpy */
		1146	#else
		1147	#define ECB_STDFP 0
		1148	#endif
		1149
		1150	#ifndef ECB_NO_LIBM
		1151
		1152	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1153
		1154	/* only the oldest of old doesn't have this one. solaris. */
		1155	#ifdef INFINITY
		1156	#define ECB_INFINITY INFINITY
		1157	#else
		1158	#define ECB_INFINITY HUGE_VAL
		1159	#endif
		1160
		1161	#ifdef NAN
		1162	#define ECB_NAN NAN
		1163	#else
		1164	#define ECB_NAN ECB_INFINITY
		1165	#endif
		1166
		1167	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1168	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1169	#else
		1170	#define ecb_ldexpf(x,e) (float) ldexp ((x), (e))
		1171	#endif
		1172
		1173	/* converts an ieee half/binary16 to a float */
		1174	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1175	ecb_function_ ecb_const float
		1176	ecb_binary16_to_float (uint16_t x)
		1177	{
		1178	int e = (x >> 10) & 0x1f;
		1179	int m = x & 0x3ff;
		1180	float r;
		1181
		1182	if (!e ) r = ecb_ldexpf (m , -24);
		1183	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1184	else if (m ) r = ECB_NAN;
		1185	else r = ECB_INFINITY;
		1186
		1187	return x & 0x8000 ? -r : r;
		1188	}
		1189
		1190	/* convert a float to ieee single/binary32 */
		1191	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1192	ecb_function_ ecb_const uint32_t
		1193	ecb_float_to_binary32 (float x)
		1194	{
		1195	uint32_t r;
		1196
		1197	#if ECB_STDFP
		1198	memcpy (&r, &x, 4);
		1199	#else
		1200	/* slow emulation, works for anything but -0 */
		1201	uint32_t m;
		1202	int e;
		1203
		1204	if (x == 0e0f ) return 0x00000000U;
		1205	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1206	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1207	if (x != x ) return 0x7fbfffffU;
		1208
		1209	m = frexpf (x, &e) * 0x1000000U;
		1210
		1211	r = m & 0x80000000U;
		1212
		1213	if (r)
		1214	m = -m;
		1215
		1216	if (e <= -126)
		1217	{
		1218	m &= 0xffffffU;
		1219	m >>= (-125 - e);
		1220	e = -126;
		1221	}
		1222
		1223	r |= (e + 126) << 23;
		1224	r |= m & 0x7fffffU;
		1225	#endif
		1226
		1227	return r;
		1228	}
		1229
		1230	/* converts an ieee single/binary32 to a float */
		1231	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1232	ecb_function_ ecb_const float
		1233	ecb_binary32_to_float (uint32_t x)
		1234	{
		1235	float r;
		1236
		1237	#if ECB_STDFP
		1238	memcpy (&r, &x, 4);
		1239	#else
		1240	/* emulation, only works for normals and subnormals and +0 */
		1241	int neg = x >> 31;
		1242	int e = (x >> 23) & 0xffU;
		1243
		1244	x &= 0x7fffffU;
		1245
		1246	if (e)
		1247	x |= 0x800000U;
		1248	else
		1249	e = 1;
		1250
		1251	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1252	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1253
		1254	r = neg ? -r : r;
		1255	#endif
		1256
		1257	return r;
		1258	}
		1259
		1260	/* convert a double to ieee double/binary64 */
		1261	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1262	ecb_function_ ecb_const uint64_t
		1263	ecb_double_to_binary64 (double x)
		1264	{
		1265	uint64_t r;
		1266
		1267	#if ECB_STDFP
		1268	memcpy (&r, &x, 8);
		1269	#else
		1270	/* slow emulation, works for anything but -0 */
		1271	uint64_t m;
		1272	int e;
		1273
		1274	if (x == 0e0 ) return 0x0000000000000000U;
		1275	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1276	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1277	if (x != x ) return 0X7ff7ffffffffffffU;
		1278
		1279	m = frexp (x, &e) * 0x20000000000000U;
		1280
		1281	r = m & 0x8000000000000000;;
		1282
		1283	if (r)
		1284	m = -m;
		1285
		1286	if (e <= -1022)
		1287	{
		1288	m &= 0x1fffffffffffffU;
		1289	m >>= (-1021 - e);
		1290	e = -1022;
		1291	}
		1292
		1293	r |= ((uint64_t)(e + 1022)) << 52;
		1294	r |= m & 0xfffffffffffffU;
		1295	#endif
		1296
		1297	return r;
		1298	}
		1299
		1300	/* converts an ieee double/binary64 to a double */
		1301	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1302	ecb_function_ ecb_const double
		1303	ecb_binary64_to_double (uint64_t x)
		1304	{
		1305	double r;
		1306
		1307	#if ECB_STDFP
		1308	memcpy (&r, &x, 8);
		1309	#else
		1310	/* emulation, only works for normals and subnormals and +0 */
		1311	int neg = x >> 63;
		1312	int e = (x >> 52) & 0x7ffU;
		1313
		1314	x &= 0xfffffffffffffU;
		1315
		1316	if (e)
		1317	x |= 0x10000000000000U;
		1318	else
		1319	e = 1;
		1320
		1321	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1322	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1323
		1324	r = neg ? -r : r;
		1325	#endif
		1326
		1327	return r;
		1328	}
		1329
		1330	#endif
		1331
859	#endif	1332	#endif
860		1333
861	/* ECB.H END */	1334	/* ECB.H END */
862		1335
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1336	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864	/* if your architetcure doesn't need memory fences, e.g. because it is	1337	/* if your architecture doesn't need memory fences, e.g. because it is
865	* single-cpu/core, or if you use libev in a project that doesn't use libev	1338	* single-cpu/core, or if you use libev in a project that doesn't use libev
866	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1339	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
867	* libev, in which casess the memory fences become nops.	1340	* libev, in which cases the memory fences become nops.
868	* alternatively, you can remove this #error and link against libpthread,	1341	* alternatively, you can remove this #error and link against libpthread,
869	* which will then provide the memory fences.	1342	* which will then provide the memory fences.
870	*/	1343	*/
871	# error "memory fences not defined for your architecture, please report"	1344	# error "memory fences not defined for your architecture, please report"
872	#endif	1345	#endif
…		…
1029	{	1502	{
1030	write (STDERR_FILENO, msg, strlen (msg));	1503	write (STDERR_FILENO, msg, strlen (msg));
1031	}	1504	}
1032	#endif	1505	#endif
1033		1506
1034	static void (*syserr_cb)(const char *msg);	1507	static void (*syserr_cb)(const char *msg) EV_THROW;
1035		1508
1036	void ecb_cold	1509	void ecb_cold
1037	ev_set_syserr_cb (void (*cb)(const char *msg))	1510	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1038	{	1511	{
1039	syserr_cb = cb;	1512	syserr_cb = cb;
1040	}	1513	}
1041		1514
1042	static void noinline ecb_cold	1515	static void noinline ecb_cold
…		…
1060	abort ();	1533	abort ();
1061	}	1534	}
1062	}	1535	}
1063		1536
1064	static void *	1537	static void *
1065	ev_realloc_emul (void *ptr, long size)	1538	ev_realloc_emul (void *ptr, long size) EV_THROW
1066	{	1539	{
1067	#if __GLIBC__
1068	return realloc (ptr, size);
1069	#else
1070	/* some systems, notably openbsd and darwin, fail to properly	1540	/* some systems, notably openbsd and darwin, fail to properly
1071	* implement realloc (x, 0) (as required by both ansi c-89 and	1541	* implement realloc (x, 0) (as required by both ansi c-89 and
1072	* the single unix specification, so work around them here.	1542	* the single unix specification, so work around them here.
		1543	* recently, also (at least) fedora and debian started breaking it,
		1544	* despite documenting it otherwise.
1073	*/	1545	*/
1074		1546
1075	if (size)	1547	if (size)
1076	return realloc (ptr, size);	1548	return realloc (ptr, size);
1077		1549
1078	free (ptr);	1550	free (ptr);
1079	return 0;	1551	return 0;
1080	#endif
1081	}	1552	}
1082		1553
1083	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1554	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1084		1555
1085	void ecb_cold	1556	void ecb_cold
1086	ev_set_allocator (void *(*cb)(void *ptr, long size))	1557	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1087	{	1558	{
1088	alloc = cb;	1559	alloc = cb;
1089	}	1560	}
1090		1561
1091	inline_speed void *	1562	inline_speed void *
…		…
1179	#undef VAR	1650	#undef VAR
1180	};	1651	};
1181	#include "ev_wrap.h"	1652	#include "ev_wrap.h"
1182		1653
1183	static struct ev_loop default_loop_struct;	1654	static struct ev_loop default_loop_struct;
1184	struct ev_loop *ev_default_loop_ptr;	1655	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1185		1656
1186	#else	1657	#else
1187		1658
1188	ev_tstamp ev_rt_now;	1659	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1189	#define VAR(name,decl) static decl;	1660	#define VAR(name,decl) static decl;
1190	#include "ev_vars.h"	1661	#include "ev_vars.h"
1191	#undef VAR	1662	#undef VAR
1192		1663
1193	static int ev_default_loop_ptr;	1664	static int ev_default_loop_ptr;
…		…
1208		1679
1209	/*****************************************************************************/	1680	/*****************************************************************************/
1210		1681
1211	#ifndef EV_HAVE_EV_TIME	1682	#ifndef EV_HAVE_EV_TIME
1212	ev_tstamp	1683	ev_tstamp
1213	ev_time (void)	1684	ev_time (void) EV_THROW
1214	{	1685	{
1215	#if EV_USE_REALTIME	1686	#if EV_USE_REALTIME
1216	if (expect_true (have_realtime))	1687	if (expect_true (have_realtime))
1217	{	1688	{
1218	struct timespec ts;	1689	struct timespec ts;
…		…
1242	return ev_time ();	1713	return ev_time ();
1243	}	1714	}
1244		1715
1245	#if EV_MULTIPLICITY	1716	#if EV_MULTIPLICITY
1246	ev_tstamp	1717	ev_tstamp
1247	ev_now (EV_P)	1718	ev_now (EV_P) EV_THROW
1248	{	1719	{
1249	return ev_rt_now;	1720	return ev_rt_now;
1250	}	1721	}
1251	#endif	1722	#endif
1252		1723
1253	void	1724	void
1254	ev_sleep (ev_tstamp delay)	1725	ev_sleep (ev_tstamp delay) EV_THROW
1255	{	1726	{
1256	if (delay > 0.)	1727	if (delay > 0.)
1257	{	1728	{
1258	#if EV_USE_NANOSLEEP	1729	#if EV_USE_NANOSLEEP
1259	struct timespec ts;	1730	struct timespec ts;
1260		1731
1261	EV_TS_SET (ts, delay);	1732	EV_TS_SET (ts, delay);
1262	nanosleep (&ts, 0);	1733	nanosleep (&ts, 0);
1263	#elif defined(_WIN32)	1734	#elif defined _WIN32
1264	Sleep ((unsigned long)(delay * 1e3));	1735	Sleep ((unsigned long)(delay * 1e3));
1265	#else	1736	#else
1266	struct timeval tv;	1737	struct timeval tv;
1267		1738
1268	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1739	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1287		1758
1288	do	1759	do
1289	ncur <<= 1;	1760	ncur <<= 1;
1290	while (cnt > ncur);	1761	while (cnt > ncur);
1291		1762
1292	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1763	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1293	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1764	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1294	{	1765	{
1295	ncur *= elem;	1766	ncur *= elem;
1296	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1767	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1297	ncur = ncur - sizeof (void *) * 4;	1768	ncur = ncur - sizeof (void *) * 4;
…		…
1340	pendingcb (EV_P_ ev_prepare *w, int revents)	1811	pendingcb (EV_P_ ev_prepare *w, int revents)
1341	{	1812	{
1342	}	1813	}
1343		1814
1344	void noinline	1815	void noinline
1345	ev_feed_event (EV_P_ void *w, int revents)	1816	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1346	{	1817	{
1347	W w_ = (W)w;	1818	W w_ = (W)w;
1348	int pri = ABSPRI (w_);	1819	int pri = ABSPRI (w_);
1349		1820
1350	if (expect_false (w_->pending))	1821	if (expect_false (w_->pending))
…		…
1354	w_->pending = ++pendingcnt [pri];	1825	w_->pending = ++pendingcnt [pri];
1355	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1826	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1356	pendings [pri][w_->pending - 1].w = w_;	1827	pendings [pri][w_->pending - 1].w = w_;
1357	pendings [pri][w_->pending - 1].events = revents;	1828	pendings [pri][w_->pending - 1].events = revents;
1358	}	1829	}
		1830
		1831	pendingpri = NUMPRI - 1;
1359	}	1832	}
1360		1833
1361	inline_speed void	1834	inline_speed void
1362	feed_reverse (EV_P_ W w)	1835	feed_reverse (EV_P_ W w)
1363	{	1836	{
…		…
1409	if (expect_true (!anfd->reify))	1882	if (expect_true (!anfd->reify))
1410	fd_event_nocheck (EV_A_ fd, revents);	1883	fd_event_nocheck (EV_A_ fd, revents);
1411	}	1884	}
1412		1885
1413	void	1886	void
1414	ev_feed_fd_event (EV_P_ int fd, int revents)	1887	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1415	{	1888	{
1416	if (fd >= 0 && fd < anfdmax)	1889	if (fd >= 0 && fd < anfdmax)
1417	fd_event_nocheck (EV_A_ fd, revents);	1890	fd_event_nocheck (EV_A_ fd, revents);
1418	}	1891	}
1419		1892
…		…
1738	static void noinline ecb_cold	2211	static void noinline ecb_cold
1739	evpipe_init (EV_P)	2212	evpipe_init (EV_P)
1740	{	2213	{
1741	if (!ev_is_active (&pipe_w))	2214	if (!ev_is_active (&pipe_w))
1742	{	2215	{
		2216	int fds [2];
		2217
1743	# if EV_USE_EVENTFD	2218	# if EV_USE_EVENTFD
		2219	fds [0] = -1;
1744	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2220	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1745	if (evfd < 0 && errno == EINVAL)	2221	if (fds [1] < 0 && errno == EINVAL)
1746	evfd = eventfd (0, 0);	2222	fds [1] = eventfd (0, 0);
1747		2223
1748	if (evfd >= 0)	2224	if (fds [1] < 0)
		2225	# endif
1749	{	2226	{
		2227	while (pipe (fds))
		2228	ev_syserr ("(libev) error creating signal/async pipe");
		2229
		2230	fd_intern (fds [0]);
		2231	}
		2232
1750	evpipe [0] = -1;	2233	evpipe [0] = fds [0];
1751	fd_intern (evfd); /* doing it twice doesn't hurt */	2234
1752	ev_io_set (&pipe_w, evfd, EV_READ);	2235	if (evpipe [1] < 0)
		2236	evpipe [1] = fds [1]; /* first call, set write fd */
		2237	else
		2238	{
		2239	/* on subsequent calls, do not change evpipe [1] */
		2240	/* so that evpipe_write can always rely on its value. */
		2241	/* this branch does not do anything sensible on windows, */
		2242	/* so must not be executed on windows */
		2243
		2244	dup2 (fds [1], evpipe [1]);
		2245	close (fds [1]);
		2246	}
		2247
		2248	fd_intern (evpipe [1]);
		2249
		2250	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2251	ev_io_start (EV_A_ &pipe_w);
		2252	ev_unref (EV_A); /* watcher should not keep loop alive */
		2253	}
		2254	}
		2255
		2256	inline_speed void
		2257	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2258	{
		2259	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2260
		2261	if (expect_true (*flag))
		2262	return;
		2263
		2264	*flag = 1;
		2265	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2266
		2267	pipe_write_skipped = 1;
		2268
		2269	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2270
		2271	if (pipe_write_wanted)
		2272	{
		2273	int old_errno;
		2274
		2275	pipe_write_skipped = 0;
		2276	ECB_MEMORY_FENCE_RELEASE;
		2277
		2278	old_errno = errno; /* save errno because write will clobber it */
		2279
		2280	#if EV_USE_EVENTFD
		2281	if (evpipe [0] < 0)
		2282	{
		2283	uint64_t counter = 1;
		2284	write (evpipe [1], &counter, sizeof (uint64_t));
1753	}	2285	}
1754	else	2286	else
1755	# endif	2287	#endif
1756	{	2288	{
1757	while (pipe (evpipe))	2289	#ifdef _WIN32
1758	ev_syserr ("(libev) error creating signal/async pipe");	2290	WSABUF buf;
1759		2291	DWORD sent;
1760	fd_intern (evpipe [0]);	2292	buf.buf = &buf;
1761	fd_intern (evpipe [1]);	2293	buf.len = 1;
1762	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2294	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1763	}	2295	#else
1764
1765	ev_io_start (EV_A_ &pipe_w);
1766	ev_unref (EV_A); /* watcher should not keep loop alive */
1767	}
1768	}
1769
1770	inline_speed void
1771	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1772	{
1773	if (expect_true (*flag))
1774	return;
1775
1776	*flag = 1;
1777
1778	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1779
1780	pipe_write_skipped = 1;
1781
1782	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1783
1784	if (pipe_write_wanted)
1785	{
1786	int old_errno;
1787
1788	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1789
1790	old_errno = errno; /* save errno because write will clobber it */
1791
1792	#if EV_USE_EVENTFD
1793	if (evfd >= 0)
1794	{
1795	uint64_t counter = 1;
1796	write (evfd, &counter, sizeof (uint64_t));
1797	}
1798	else
1799	#endif
1800	{
1801	/* win32 people keep sending patches that change this write() to send() */
1802	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1803	/* so when you think this write should be a send instead, please find out */
1804	/* where your send() is from - it's definitely not the microsoft send, and */
1805	/* tell me. thank you. */
1806	write (evpipe [1], &(evpipe [1]), 1);	2296	write (evpipe [1], &(evpipe [1]), 1);
		2297	#endif
1807	}	2298	}
1808		2299
1809	errno = old_errno;	2300	errno = old_errno;
1810	}	2301	}
1811	}	2302	}
…		…
1818	int i;	2309	int i;
1819		2310
1820	if (revents & EV_READ)	2311	if (revents & EV_READ)
1821	{	2312	{
1822	#if EV_USE_EVENTFD	2313	#if EV_USE_EVENTFD
1823	if (evfd >= 0)	2314	if (evpipe [0] < 0)
1824	{	2315	{
1825	uint64_t counter;	2316	uint64_t counter;
1826	read (evfd, &counter, sizeof (uint64_t));	2317	read (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2318	}
1828	else	2319	else
1829	#endif	2320	#endif
1830	{	2321	{
1831	char dummy;	2322	char dummy[4];
1832	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2323	#ifdef _WIN32
		2324	WSABUF buf;
		2325	DWORD recvd;
		2326	DWORD flags = 0;
		2327	buf.buf = dummy;
		2328	buf.len = sizeof (dummy);
		2329	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2330	#else
1833	read (evpipe [0], &dummy, 1);	2331	read (evpipe [0], &dummy, sizeof (dummy));
		2332	#endif
1834	}	2333	}
1835	}	2334	}
1836		2335
1837	pipe_write_skipped = 0;	2336	pipe_write_skipped = 0;
		2337
		2338	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1838		2339
1839	#if EV_SIGNAL_ENABLE	2340	#if EV_SIGNAL_ENABLE
1840	if (sig_pending)	2341	if (sig_pending)
1841	{	2342	{
1842	sig_pending = 0;	2343	sig_pending = 0;
		2344
		2345	ECB_MEMORY_FENCE;
1843		2346
1844	for (i = EV_NSIG - 1; i--; )	2347	for (i = EV_NSIG - 1; i--; )
1845	if (expect_false (signals [i].pending))	2348	if (expect_false (signals [i].pending))
1846	ev_feed_signal_event (EV_A_ i + 1);	2349	ev_feed_signal_event (EV_A_ i + 1);
1847	}	2350	}
…		…
1849		2352
1850	#if EV_ASYNC_ENABLE	2353	#if EV_ASYNC_ENABLE
1851	if (async_pending)	2354	if (async_pending)
1852	{	2355	{
1853	async_pending = 0;	2356	async_pending = 0;
		2357
		2358	ECB_MEMORY_FENCE;
1854		2359
1855	for (i = asynccnt; i--; )	2360	for (i = asynccnt; i--; )
1856	if (asyncs [i]->sent)	2361	if (asyncs [i]->sent)
1857	{	2362	{
1858	asyncs [i]->sent = 0;	2363	asyncs [i]->sent = 0;
		2364	ECB_MEMORY_FENCE_RELEASE;
1859	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2365	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1860	}	2366	}
1861	}	2367	}
1862	#endif	2368	#endif
1863	}	2369	}
1864		2370
1865	/*****************************************************************************/	2371	/*****************************************************************************/
1866		2372
1867	void	2373	void
1868	ev_feed_signal (int signum)	2374	ev_feed_signal (int signum) EV_THROW
1869	{	2375	{
1870	#if EV_MULTIPLICITY	2376	#if EV_MULTIPLICITY
		2377	EV_P;
		2378	ECB_MEMORY_FENCE_ACQUIRE;
1871	EV_P = signals [signum - 1].loop;	2379	EV_A = signals [signum - 1].loop;
1872		2380
1873	if (!EV_A)	2381	if (!EV_A)
1874	return;	2382	return;
1875	#endif	2383	#endif
1876		2384
1877	if (!ev_active (&pipe_w))
1878	return;
1879
1880	signals [signum - 1].pending = 1;	2385	signals [signum - 1].pending = 1;
1881	evpipe_write (EV_A_ &sig_pending);	2386	evpipe_write (EV_A_ &sig_pending);
1882	}	2387	}
1883		2388
1884	static void	2389	static void
…		…
1890		2395
1891	ev_feed_signal (signum);	2396	ev_feed_signal (signum);
1892	}	2397	}
1893		2398
1894	void noinline	2399	void noinline
1895	ev_feed_signal_event (EV_P_ int signum)	2400	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1896	{	2401	{
1897	WL w;	2402	WL w;
1898		2403
1899	if (expect_false (signum <= 0 || signum > EV_NSIG))	2404	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1900	return;	2405	return;
1901		2406
1902	--signum;	2407	--signum;
1903		2408
1904	#if EV_MULTIPLICITY	2409	#if EV_MULTIPLICITY
…		…
1908	if (expect_false (signals [signum].loop != EV_A))	2413	if (expect_false (signals [signum].loop != EV_A))
1909	return;	2414	return;
1910	#endif	2415	#endif
1911		2416
1912	signals [signum].pending = 0;	2417	signals [signum].pending = 0;
		2418	ECB_MEMORY_FENCE_RELEASE;
1913		2419
1914	for (w = signals [signum].head; w; w = w->next)	2420	for (w = signals [signum].head; w; w = w->next)
1915	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2421	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1916	}	2422	}
1917		2423
…		…
2016	#if EV_USE_SELECT	2522	#if EV_USE_SELECT
2017	# include "ev_select.c"	2523	# include "ev_select.c"
2018	#endif	2524	#endif
2019		2525
2020	int ecb_cold	2526	int ecb_cold
2021	ev_version_major (void)	2527	ev_version_major (void) EV_THROW
2022	{	2528	{
2023	return EV_VERSION_MAJOR;	2529	return EV_VERSION_MAJOR;
2024	}	2530	}
2025		2531
2026	int ecb_cold	2532	int ecb_cold
2027	ev_version_minor (void)	2533	ev_version_minor (void) EV_THROW
2028	{	2534	{
2029	return EV_VERSION_MINOR;	2535	return EV_VERSION_MINOR;
2030	}	2536	}
2031		2537
2032	/* return true if we are running with elevated privileges and should ignore env variables */	2538	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2040	|| getgid () != getegid ();	2546	|| getgid () != getegid ();
2041	#endif	2547	#endif
2042	}	2548	}
2043		2549
2044	unsigned int ecb_cold	2550	unsigned int ecb_cold
2045	ev_supported_backends (void)	2551	ev_supported_backends (void) EV_THROW
2046	{	2552	{
2047	unsigned int flags = 0;	2553	unsigned int flags = 0;
2048		2554
2049	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2555	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2050	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2556	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2054		2560
2055	return flags;	2561	return flags;
2056	}	2562	}
2057		2563
2058	unsigned int ecb_cold	2564	unsigned int ecb_cold
2059	ev_recommended_backends (void)	2565	ev_recommended_backends (void) EV_THROW
2060	{	2566	{
2061	unsigned int flags = ev_supported_backends ();	2567	unsigned int flags = ev_supported_backends ();
2062		2568
2063	#ifndef __NetBSD__	2569	#ifndef __NetBSD__
2064	/* kqueue is borked on everything but netbsd apparently */	2570	/* kqueue is borked on everything but netbsd apparently */
…		…
2076		2582
2077	return flags;	2583	return flags;
2078	}	2584	}
2079		2585
2080	unsigned int ecb_cold	2586	unsigned int ecb_cold
2081	ev_embeddable_backends (void)	2587	ev_embeddable_backends (void) EV_THROW
2082	{	2588	{
2083	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2589	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2084		2590
2085	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2591	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2086	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2592	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2088		2594
2089	return flags;	2595	return flags;
2090	}	2596	}
2091		2597
2092	unsigned int	2598	unsigned int
2093	ev_backend (EV_P)	2599	ev_backend (EV_P) EV_THROW
2094	{	2600	{
2095	return backend;	2601	return backend;
2096	}	2602	}
2097		2603
2098	#if EV_FEATURE_API	2604	#if EV_FEATURE_API
2099	unsigned int	2605	unsigned int
2100	ev_iteration (EV_P)	2606	ev_iteration (EV_P) EV_THROW
2101	{	2607	{
2102	return loop_count;	2608	return loop_count;
2103	}	2609	}
2104		2610
2105	unsigned int	2611	unsigned int
2106	ev_depth (EV_P)	2612	ev_depth (EV_P) EV_THROW
2107	{	2613	{
2108	return loop_depth;	2614	return loop_depth;
2109	}	2615	}
2110		2616
2111	void	2617	void
2112	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2618	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2619	{
2114	io_blocktime = interval;	2620	io_blocktime = interval;
2115	}	2621	}
2116		2622
2117	void	2623	void
2118	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2624	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2119	{	2625	{
2120	timeout_blocktime = interval;	2626	timeout_blocktime = interval;
2121	}	2627	}
2122		2628
2123	void	2629	void
2124	ev_set_userdata (EV_P_ void *data)	2630	ev_set_userdata (EV_P_ void *data) EV_THROW
2125	{	2631	{
2126	userdata = data;	2632	userdata = data;
2127	}	2633	}
2128		2634
2129	void *	2635	void *
2130	ev_userdata (EV_P)	2636	ev_userdata (EV_P) EV_THROW
2131	{	2637	{
2132	return userdata;	2638	return userdata;
2133	}	2639	}
2134		2640
2135	void	2641	void
2136	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2642	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2137	{	2643	{
2138	invoke_cb = invoke_pending_cb;	2644	invoke_cb = invoke_pending_cb;
2139	}	2645	}
2140		2646
2141	void	2647	void
2142	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2648	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2143	{	2649	{
2144	release_cb = release;	2650	release_cb = release;
2145	acquire_cb = acquire;	2651	acquire_cb = acquire;
2146	}	2652	}
2147	#endif	2653	#endif
2148		2654
2149	/* initialise a loop structure, must be zero-initialised */	2655	/* initialise a loop structure, must be zero-initialised */
2150	static void noinline ecb_cold	2656	static void noinline ecb_cold
2151	loop_init (EV_P_ unsigned int flags)	2657	loop_init (EV_P_ unsigned int flags) EV_THROW
2152	{	2658	{
2153	if (!backend)	2659	if (!backend)
2154	{	2660	{
2155	origflags = flags;	2661	origflags = flags;
2156		2662
…		…
2201	#if EV_ASYNC_ENABLE	2707	#if EV_ASYNC_ENABLE
2202	async_pending = 0;	2708	async_pending = 0;
2203	#endif	2709	#endif
2204	pipe_write_skipped = 0;	2710	pipe_write_skipped = 0;
2205	pipe_write_wanted = 0;	2711	pipe_write_wanted = 0;
		2712	evpipe [0] = -1;
		2713	evpipe [1] = -1;
2206	#if EV_USE_INOTIFY	2714	#if EV_USE_INOTIFY
2207	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2715	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2208	#endif	2716	#endif
2209	#if EV_USE_SIGNALFD	2717	#if EV_USE_SIGNALFD
2210	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2718	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2261	EV_INVOKE_PENDING;	2769	EV_INVOKE_PENDING;
2262	}	2770	}
2263	#endif	2771	#endif
2264		2772
2265	#if EV_CHILD_ENABLE	2773	#if EV_CHILD_ENABLE
2266	if (ev_is_active (&childev))	2774	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2267	{	2775	{
2268	ev_ref (EV_A); /* child watcher */	2776	ev_ref (EV_A); /* child watcher */
2269	ev_signal_stop (EV_A_ &childev);	2777	ev_signal_stop (EV_A_ &childev);
2270	}	2778	}
2271	#endif	2779	#endif
…		…
2273	if (ev_is_active (&pipe_w))	2781	if (ev_is_active (&pipe_w))
2274	{	2782	{
2275	/*ev_ref (EV_A);*/	2783	/*ev_ref (EV_A);*/
2276	/*ev_io_stop (EV_A_ &pipe_w);*/	2784	/*ev_io_stop (EV_A_ &pipe_w);*/
2277		2785
2278	#if EV_USE_EVENTFD
2279	if (evfd >= 0)
2280	close (evfd);
2281	#endif
2282
2283	if (evpipe [0] >= 0)
2284	{
2285	EV_WIN32_CLOSE_FD (evpipe [0]);	2786	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2286	EV_WIN32_CLOSE_FD (evpipe [1]);	2787	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2287	}
2288	}	2788	}
2289		2789
2290	#if EV_USE_SIGNALFD	2790	#if EV_USE_SIGNALFD
2291	if (ev_is_active (&sigfd_w))	2791	if (ev_is_active (&sigfd_w))
2292	close (sigfd);	2792	close (sigfd);
…		…
2378	#endif	2878	#endif
2379	#if EV_USE_INOTIFY	2879	#if EV_USE_INOTIFY
2380	infy_fork (EV_A);	2880	infy_fork (EV_A);
2381	#endif	2881	#endif
2382		2882
		2883	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2383	if (ev_is_active (&pipe_w))	2884	if (ev_is_active (&pipe_w))
2384	{	2885	{
2385	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2886	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2386		2887
2387	ev_ref (EV_A);	2888	ev_ref (EV_A);
2388	ev_io_stop (EV_A_ &pipe_w);	2889	ev_io_stop (EV_A_ &pipe_w);
2389		2890
2390	#if EV_USE_EVENTFD
2391	if (evfd >= 0)
2392	close (evfd);
2393	#endif
2394
2395	if (evpipe [0] >= 0)	2891	if (evpipe [0] >= 0)
2396	{
2397	EV_WIN32_CLOSE_FD (evpipe [0]);	2892	EV_WIN32_CLOSE_FD (evpipe [0]);
2398	EV_WIN32_CLOSE_FD (evpipe [1]);
2399	}
2400		2893
2401	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2402	evpipe_init (EV_A);	2894	evpipe_init (EV_A);
2403	/* now iterate over everything, in case we missed something */	2895	/* iterate over everything, in case we missed something before */
2404	pipecb (EV_A_ &pipe_w, EV_READ);	2896	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2405	#endif
2406	}	2897	}
		2898	#endif
2407		2899
2408	postfork = 0;	2900	postfork = 0;
2409	}	2901	}
2410		2902
2411	#if EV_MULTIPLICITY	2903	#if EV_MULTIPLICITY
2412		2904
2413	struct ev_loop * ecb_cold	2905	struct ev_loop * ecb_cold
2414	ev_loop_new (unsigned int flags)	2906	ev_loop_new (unsigned int flags) EV_THROW
2415	{	2907	{
2416	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2908	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2417		2909
2418	memset (EV_A, 0, sizeof (struct ev_loop));	2910	memset (EV_A, 0, sizeof (struct ev_loop));
2419	loop_init (EV_A_ flags);	2911	loop_init (EV_A_ flags);
…		…
2463	}	2955	}
2464	#endif	2956	#endif
2465		2957
2466	#if EV_FEATURE_API	2958	#if EV_FEATURE_API
2467	void ecb_cold	2959	void ecb_cold
2468	ev_verify (EV_P)	2960	ev_verify (EV_P) EV_THROW
2469	{	2961	{
2470	#if EV_VERIFY	2962	#if EV_VERIFY
2471	int i;	2963	int i;
2472	WL w;	2964	WL w, w2;
2473		2965
2474	assert (activecnt >= -1);	2966	assert (activecnt >= -1);
2475		2967
2476	assert (fdchangemax >= fdchangecnt);	2968	assert (fdchangemax >= fdchangecnt);
2477	for (i = 0; i < fdchangecnt; ++i)	2969	for (i = 0; i < fdchangecnt; ++i)
2478	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2970	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2479		2971
2480	assert (anfdmax >= 0);	2972	assert (anfdmax >= 0);
2481	for (i = 0; i < anfdmax; ++i)	2973	for (i = 0; i < anfdmax; ++i)
		2974	{
		2975	int j = 0;
		2976
2482	for (w = anfds [i].head; w; w = w->next)	2977	for (w = w2 = anfds [i].head; w; w = w->next)
2483	{	2978	{
2484	verify_watcher (EV_A_ (W)w);	2979	verify_watcher (EV_A_ (W)w);
		2980
		2981	if (j++ & 1)
		2982	{
		2983	assert (("libev: io watcher list contains a loop", w != w2));
		2984	w2 = w2->next;
		2985	}
		2986
2485	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2987	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2486	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2988	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2487	}	2989	}
		2990	}
2488		2991
2489	assert (timermax >= timercnt);	2992	assert (timermax >= timercnt);
2490	verify_heap (EV_A_ timers, timercnt);	2993	verify_heap (EV_A_ timers, timercnt);
2491		2994
2492	#if EV_PERIODIC_ENABLE	2995	#if EV_PERIODIC_ENABLE
…		…
2542	#if EV_MULTIPLICITY	3045	#if EV_MULTIPLICITY
2543	struct ev_loop * ecb_cold	3046	struct ev_loop * ecb_cold
2544	#else	3047	#else
2545	int	3048	int
2546	#endif	3049	#endif
2547	ev_default_loop (unsigned int flags)	3050	ev_default_loop (unsigned int flags) EV_THROW
2548	{	3051	{
2549	if (!ev_default_loop_ptr)	3052	if (!ev_default_loop_ptr)
2550	{	3053	{
2551	#if EV_MULTIPLICITY	3054	#if EV_MULTIPLICITY
2552	EV_P = ev_default_loop_ptr = &default_loop_struct;	3055	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2571		3074
2572	return ev_default_loop_ptr;	3075	return ev_default_loop_ptr;
2573	}	3076	}
2574		3077
2575	void	3078	void
2576	ev_loop_fork (EV_P)	3079	ev_loop_fork (EV_P) EV_THROW
2577	{	3080	{
2578	postfork = 1; /* must be in line with ev_default_fork */	3081	postfork = 1;
2579	}	3082	}
2580		3083
2581	/*****************************************************************************/	3084	/*****************************************************************************/
2582		3085
2583	void	3086	void
…		…
2585	{	3088	{
2586	EV_CB_INVOKE ((W)w, revents);	3089	EV_CB_INVOKE ((W)w, revents);
2587	}	3090	}
2588		3091
2589	unsigned int	3092	unsigned int
2590	ev_pending_count (EV_P)	3093	ev_pending_count (EV_P) EV_THROW
2591	{	3094	{
2592	int pri;	3095	int pri;
2593	unsigned int count = 0;	3096	unsigned int count = 0;
2594		3097
2595	for (pri = NUMPRI; pri--; )	3098	for (pri = NUMPRI; pri--; )
…		…
2599	}	3102	}
2600		3103
2601	void noinline	3104	void noinline
2602	ev_invoke_pending (EV_P)	3105	ev_invoke_pending (EV_P)
2603	{	3106	{
2604	int pri;	3107	pendingpri = NUMPRI;
2605		3108
2606	for (pri = NUMPRI; pri--; )	3109	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3110	{
		3111	--pendingpri;
		3112
2607	while (pendingcnt [pri])	3113	while (pendingcnt [pendingpri])
2608	{	3114	{
2609	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3115	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2610		3116
2611	p->w->pending = 0;	3117	p->w->pending = 0;
2612	EV_CB_INVOKE (p->w, p->events);	3118	EV_CB_INVOKE (p->w, p->events);
2613	EV_FREQUENT_CHECK;	3119	EV_FREQUENT_CHECK;
2614	}	3120	}
		3121	}
2615	}	3122	}
2616		3123
2617	#if EV_IDLE_ENABLE	3124	#if EV_IDLE_ENABLE
2618	/* make idle watchers pending. this handles the "call-idle */	3125	/* make idle watchers pending. this handles the "call-idle */
2619	/* only when higher priorities are idle" logic */	3126	/* only when higher priorities are idle" logic */
…		…
2709	{	3216	{
2710	EV_FREQUENT_CHECK;	3217	EV_FREQUENT_CHECK;
2711		3218
2712	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3219	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2713	{	3220	{
2714	int feed_count = 0;
2715
2716	do	3221	do
2717	{	3222	{
2718	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3223	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2719		3224
2720	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3225	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2854		3359
2855	mn_now = ev_rt_now;	3360	mn_now = ev_rt_now;
2856	}	3361	}
2857	}	3362	}
2858		3363
2859	void	3364	int
2860	ev_run (EV_P_ int flags)	3365	ev_run (EV_P_ int flags)
2861	{	3366	{
2862	#if EV_FEATURE_API	3367	#if EV_FEATURE_API
2863	++loop_depth;	3368	++loop_depth;
2864	#endif	3369	#endif
…		…
2977	#endif	3482	#endif
2978	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3483	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2979	backend_poll (EV_A_ waittime);	3484	backend_poll (EV_A_ waittime);
2980	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3485	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2981		3486
2982	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3487	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2983		3488
		3489	ECB_MEMORY_FENCE_ACQUIRE;
2984	if (pipe_write_skipped)	3490	if (pipe_write_skipped)
2985	{	3491	{
2986	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3492	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2987	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3493	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2988	}	3494	}
…		…
3021	loop_done = EVBREAK_CANCEL;	3527	loop_done = EVBREAK_CANCEL;
3022		3528
3023	#if EV_FEATURE_API	3529	#if EV_FEATURE_API
3024	--loop_depth;	3530	--loop_depth;
3025	#endif	3531	#endif
		3532
		3533	return activecnt;
3026	}	3534	}
3027		3535
3028	void	3536	void
3029	ev_break (EV_P_ int how)	3537	ev_break (EV_P_ int how) EV_THROW
3030	{	3538	{
3031	loop_done = how;	3539	loop_done = how;
3032	}	3540	}
3033		3541
3034	void	3542	void
3035	ev_ref (EV_P)	3543	ev_ref (EV_P) EV_THROW
3036	{	3544	{
3037	++activecnt;	3545	++activecnt;
3038	}	3546	}
3039		3547
3040	void	3548	void
3041	ev_unref (EV_P)	3549	ev_unref (EV_P) EV_THROW
3042	{	3550	{
3043	--activecnt;	3551	--activecnt;
3044	}	3552	}
3045		3553
3046	void	3554	void
3047	ev_now_update (EV_P)	3555	ev_now_update (EV_P) EV_THROW
3048	{	3556	{
3049	time_update (EV_A_ 1e100);	3557	time_update (EV_A_ 1e100);
3050	}	3558	}
3051		3559
3052	void	3560	void
3053	ev_suspend (EV_P)	3561	ev_suspend (EV_P) EV_THROW
3054	{	3562	{
3055	ev_now_update (EV_A);	3563	ev_now_update (EV_A);
3056	}	3564	}
3057		3565
3058	void	3566	void
3059	ev_resume (EV_P)	3567	ev_resume (EV_P) EV_THROW
3060	{	3568	{
3061	ev_tstamp mn_prev = mn_now;	3569	ev_tstamp mn_prev = mn_now;
3062		3570
3063	ev_now_update (EV_A);	3571	ev_now_update (EV_A);
3064	timers_reschedule (EV_A_ mn_now - mn_prev);	3572	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3103	w->pending = 0;	3611	w->pending = 0;
3104	}	3612	}
3105	}	3613	}
3106		3614
3107	int	3615	int
3108	ev_clear_pending (EV_P_ void *w)	3616	ev_clear_pending (EV_P_ void *w) EV_THROW
3109	{	3617	{
3110	W w_ = (W)w;	3618	W w_ = (W)w;
3111	int pending = w_->pending;	3619	int pending = w_->pending;
3112		3620
3113	if (expect_true (pending))	3621	if (expect_true (pending))
…		…
3146	}	3654	}
3147		3655
3148	/*****************************************************************************/	3656	/*****************************************************************************/
3149		3657
3150	void noinline	3658	void noinline
3151	ev_io_start (EV_P_ ev_io *w)	3659	ev_io_start (EV_P_ ev_io *w) EV_THROW
3152	{	3660	{
3153	int fd = w->fd;	3661	int fd = w->fd;
3154		3662
3155	if (expect_false (ev_is_active (w)))	3663	if (expect_false (ev_is_active (w)))
3156	return;	3664	return;
…		…
3162		3670
3163	ev_start (EV_A_ (W)w, 1);	3671	ev_start (EV_A_ (W)w, 1);
3164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3672	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3165	wlist_add (&anfds[fd].head, (WL)w);	3673	wlist_add (&anfds[fd].head, (WL)w);
3166		3674
		3675	/* common bug, apparently */
		3676	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3677
3167	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3678	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3168	w->events &= ~EV__IOFDSET;	3679	w->events &= ~EV__IOFDSET;
3169		3680
3170	EV_FREQUENT_CHECK;	3681	EV_FREQUENT_CHECK;
3171	}	3682	}
3172		3683
3173	void noinline	3684	void noinline
3174	ev_io_stop (EV_P_ ev_io *w)	3685	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3175	{	3686	{
3176	clear_pending (EV_A_ (W)w);	3687	clear_pending (EV_A_ (W)w);
3177	if (expect_false (!ev_is_active (w)))	3688	if (expect_false (!ev_is_active (w)))
3178	return;	3689	return;
3179		3690
…		…
3188		3699
3189	EV_FREQUENT_CHECK;	3700	EV_FREQUENT_CHECK;
3190	}	3701	}
3191		3702
3192	void noinline	3703	void noinline
3193	ev_timer_start (EV_P_ ev_timer *w)	3704	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3194	{	3705	{
3195	if (expect_false (ev_is_active (w)))	3706	if (expect_false (ev_is_active (w)))
3196	return;	3707	return;
3197		3708
3198	ev_at (w) += mn_now;	3709	ev_at (w) += mn_now;
…		…
3212		3723
3213	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3724	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3214	}	3725	}
3215		3726
3216	void noinline	3727	void noinline
3217	ev_timer_stop (EV_P_ ev_timer *w)	3728	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3218	{	3729	{
3219	clear_pending (EV_A_ (W)w);	3730	clear_pending (EV_A_ (W)w);
3220	if (expect_false (!ev_is_active (w)))	3731	if (expect_false (!ev_is_active (w)))
3221	return;	3732	return;
3222		3733
…		…
3242		3753
3243	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
3244	}	3755	}
3245		3756
3246	void noinline	3757	void noinline
3247	ev_timer_again (EV_P_ ev_timer *w)	3758	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3248	{	3759	{
3249	EV_FREQUENT_CHECK;	3760	EV_FREQUENT_CHECK;
		3761
		3762	clear_pending (EV_A_ (W)w);
3250		3763
3251	if (ev_is_active (w))	3764	if (ev_is_active (w))
3252	{	3765	{
3253	if (w->repeat)	3766	if (w->repeat)
3254	{	3767	{
…		…
3267		3780
3268	EV_FREQUENT_CHECK;	3781	EV_FREQUENT_CHECK;
3269	}	3782	}
3270		3783
3271	ev_tstamp	3784	ev_tstamp
3272	ev_timer_remaining (EV_P_ ev_timer *w)	3785	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3273	{	3786	{
3274	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3787	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3275	}	3788	}
3276		3789
3277	#if EV_PERIODIC_ENABLE	3790	#if EV_PERIODIC_ENABLE
3278	void noinline	3791	void noinline
3279	ev_periodic_start (EV_P_ ev_periodic *w)	3792	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3280	{	3793	{
3281	if (expect_false (ev_is_active (w)))	3794	if (expect_false (ev_is_active (w)))
3282	return;	3795	return;
3283		3796
3284	if (w->reschedule_cb)	3797	if (w->reschedule_cb)
…		…
3304		3817
3305	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3818	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3306	}	3819	}
3307		3820
3308	void noinline	3821	void noinline
3309	ev_periodic_stop (EV_P_ ev_periodic *w)	3822	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3310	{	3823	{
3311	clear_pending (EV_A_ (W)w);	3824	clear_pending (EV_A_ (W)w);
3312	if (expect_false (!ev_is_active (w)))	3825	if (expect_false (!ev_is_active (w)))
3313	return;	3826	return;
3314		3827
…		…
3332		3845
3333	EV_FREQUENT_CHECK;	3846	EV_FREQUENT_CHECK;
3334	}	3847	}
3335		3848
3336	void noinline	3849	void noinline
3337	ev_periodic_again (EV_P_ ev_periodic *w)	3850	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3338	{	3851	{
3339	/* TODO: use adjustheap and recalculation */	3852	/* TODO: use adjustheap and recalculation */
3340	ev_periodic_stop (EV_A_ w);	3853	ev_periodic_stop (EV_A_ w);
3341	ev_periodic_start (EV_A_ w);	3854	ev_periodic_start (EV_A_ w);
3342	}	3855	}
…		…
3347	#endif	3860	#endif
3348		3861
3349	#if EV_SIGNAL_ENABLE	3862	#if EV_SIGNAL_ENABLE
3350		3863
3351	void noinline	3864	void noinline
3352	ev_signal_start (EV_P_ ev_signal *w)	3865	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3353	{	3866	{
3354	if (expect_false (ev_is_active (w)))	3867	if (expect_false (ev_is_active (w)))
3355	return;	3868	return;
3356		3869
3357	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3870	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3359	#if EV_MULTIPLICITY	3872	#if EV_MULTIPLICITY
3360	assert (("libev: a signal must not be attached to two different loops",	3873	assert (("libev: a signal must not be attached to two different loops",
3361	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3874	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3362		3875
3363	signals [w->signum - 1].loop = EV_A;	3876	signals [w->signum - 1].loop = EV_A;
		3877	ECB_MEMORY_FENCE_RELEASE;
3364	#endif	3878	#endif
3365		3879
3366	EV_FREQUENT_CHECK;	3880	EV_FREQUENT_CHECK;
3367		3881
3368	#if EV_USE_SIGNALFD	3882	#if EV_USE_SIGNALFD
…		…
3428		3942
3429	EV_FREQUENT_CHECK;	3943	EV_FREQUENT_CHECK;
3430	}	3944	}
3431		3945
3432	void noinline	3946	void noinline
3433	ev_signal_stop (EV_P_ ev_signal *w)	3947	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3434	{	3948	{
3435	clear_pending (EV_A_ (W)w);	3949	clear_pending (EV_A_ (W)w);
3436	if (expect_false (!ev_is_active (w)))	3950	if (expect_false (!ev_is_active (w)))
3437	return;	3951	return;
3438		3952
…		…
3469	#endif	3983	#endif
3470		3984
3471	#if EV_CHILD_ENABLE	3985	#if EV_CHILD_ENABLE
3472		3986
3473	void	3987	void
3474	ev_child_start (EV_P_ ev_child *w)	3988	ev_child_start (EV_P_ ev_child *w) EV_THROW
3475	{	3989	{
3476	#if EV_MULTIPLICITY	3990	#if EV_MULTIPLICITY
3477	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3991	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3478	#endif	3992	#endif
3479	if (expect_false (ev_is_active (w)))	3993	if (expect_false (ev_is_active (w)))
…		…
3486		4000
3487	EV_FREQUENT_CHECK;	4001	EV_FREQUENT_CHECK;
3488	}	4002	}
3489		4003
3490	void	4004	void
3491	ev_child_stop (EV_P_ ev_child *w)	4005	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3492	{	4006	{
3493	clear_pending (EV_A_ (W)w);	4007	clear_pending (EV_A_ (W)w);
3494	if (expect_false (!ev_is_active (w)))	4008	if (expect_false (!ev_is_active (w)))
3495	return;	4009	return;
3496		4010
…		…
3523	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4037	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3524		4038
3525	static void noinline	4039	static void noinline
3526	infy_add (EV_P_ ev_stat *w)	4040	infy_add (EV_P_ ev_stat *w)
3527	{	4041	{
3528	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);	4042	w->wd = inotify_add_watch (fs_fd, w->path,
		4043	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4044	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4045	| IN_DONT_FOLLOW | IN_MASK_ADD);
3529		4046
3530	if (w->wd >= 0)	4047	if (w->wd >= 0)
3531	{	4048	{
3532	struct statfs sfs;	4049	struct statfs sfs;
3533		4050
…		…
3537		4054
3538	if (!fs_2625)	4055	if (!fs_2625)
3539	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4056	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3540	else if (!statfs (w->path, &sfs)	4057	else if (!statfs (w->path, &sfs)
3541	&& (sfs.f_type == 0x1373 /* devfs */	4058	&& (sfs.f_type == 0x1373 /* devfs */
		4059	|| sfs.f_type == 0x4006 /* fat */
		4060	|| sfs.f_type == 0x4d44 /* msdos */
3542	|| sfs.f_type == 0xEF53 /* ext2/3 */	4061	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4062	|| sfs.f_type == 0x72b6 /* jffs2 */
		4063	|| sfs.f_type == 0x858458f6 /* ramfs */
		4064	|| sfs.f_type == 0x5346544e /* ntfs */
3543	|| sfs.f_type == 0x3153464a /* jfs */	4065	|| sfs.f_type == 0x3153464a /* jfs */
		4066	|| sfs.f_type == 0x9123683e /* btrfs */
3544	|| sfs.f_type == 0x52654973 /* reiser3 */	4067	|| sfs.f_type == 0x52654973 /* reiser3 */
3545	|| sfs.f_type == 0x01021994 /* tempfs */	4068	|| sfs.f_type == 0x01021994 /* tmpfs */
3546	|| sfs.f_type == 0x58465342 /* xfs */))	4069	|| sfs.f_type == 0x58465342 /* xfs */))
3547	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4070	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3548	else	4071	else
3549	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4072	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3550	}	4073	}
…		…
3663	}	4186	}
3664		4187
3665	inline_size int	4188	inline_size int
3666	infy_newfd (void)	4189	infy_newfd (void)
3667	{	4190	{
3668	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4191	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3669	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4192	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3670	if (fd >= 0)	4193	if (fd >= 0)
3671	return fd;	4194	return fd;
3672	#endif	4195	#endif
3673	return inotify_init ();	4196	return inotify_init ();
…		…
3748	#else	4271	#else
3749	# define EV_LSTAT(p,b) lstat (p, b)	4272	# define EV_LSTAT(p,b) lstat (p, b)
3750	#endif	4273	#endif
3751		4274
3752	void	4275	void
3753	ev_stat_stat (EV_P_ ev_stat *w)	4276	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3754	{	4277	{
3755	if (lstat (w->path, &w->attr) < 0)	4278	if (lstat (w->path, &w->attr) < 0)
3756	w->attr.st_nlink = 0;	4279	w->attr.st_nlink = 0;
3757	else if (!w->attr.st_nlink)	4280	else if (!w->attr.st_nlink)
3758	w->attr.st_nlink = 1;	4281	w->attr.st_nlink = 1;
…		…
3797	ev_feed_event (EV_A_ w, EV_STAT);	4320	ev_feed_event (EV_A_ w, EV_STAT);
3798	}	4321	}
3799	}	4322	}
3800		4323
3801	void	4324	void
3802	ev_stat_start (EV_P_ ev_stat *w)	4325	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3803	{	4326	{
3804	if (expect_false (ev_is_active (w)))	4327	if (expect_false (ev_is_active (w)))
3805	return;	4328	return;
3806		4329
3807	ev_stat_stat (EV_A_ w);	4330	ev_stat_stat (EV_A_ w);
…		…
3828		4351
3829	EV_FREQUENT_CHECK;	4352	EV_FREQUENT_CHECK;
3830	}	4353	}
3831		4354
3832	void	4355	void
3833	ev_stat_stop (EV_P_ ev_stat *w)	4356	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3834	{	4357	{
3835	clear_pending (EV_A_ (W)w);	4358	clear_pending (EV_A_ (W)w);
3836	if (expect_false (!ev_is_active (w)))	4359	if (expect_false (!ev_is_active (w)))
3837	return;	4360	return;
3838		4361
…		…
3854	}	4377	}
3855	#endif	4378	#endif
3856		4379
3857	#if EV_IDLE_ENABLE	4380	#if EV_IDLE_ENABLE
3858	void	4381	void
3859	ev_idle_start (EV_P_ ev_idle *w)	4382	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3860	{	4383	{
3861	if (expect_false (ev_is_active (w)))	4384	if (expect_false (ev_is_active (w)))
3862	return;	4385	return;
3863		4386
3864	pri_adjust (EV_A_ (W)w);	4387	pri_adjust (EV_A_ (W)w);
…		…
3877		4400
3878	EV_FREQUENT_CHECK;	4401	EV_FREQUENT_CHECK;
3879	}	4402	}
3880		4403
3881	void	4404	void
3882	ev_idle_stop (EV_P_ ev_idle *w)	4405	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3883	{	4406	{
3884	clear_pending (EV_A_ (W)w);	4407	clear_pending (EV_A_ (W)w);
3885	if (expect_false (!ev_is_active (w)))	4408	if (expect_false (!ev_is_active (w)))
3886	return;	4409	return;
3887		4410
…		…
3901	}	4424	}
3902	#endif	4425	#endif
3903		4426
3904	#if EV_PREPARE_ENABLE	4427	#if EV_PREPARE_ENABLE
3905	void	4428	void
3906	ev_prepare_start (EV_P_ ev_prepare *w)	4429	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3907	{	4430	{
3908	if (expect_false (ev_is_active (w)))	4431	if (expect_false (ev_is_active (w)))
3909	return;	4432	return;
3910		4433
3911	EV_FREQUENT_CHECK;	4434	EV_FREQUENT_CHECK;
…		…
3916		4439
3917	EV_FREQUENT_CHECK;	4440	EV_FREQUENT_CHECK;
3918	}	4441	}
3919		4442
3920	void	4443	void
3921	ev_prepare_stop (EV_P_ ev_prepare *w)	4444	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3922	{	4445	{
3923	clear_pending (EV_A_ (W)w);	4446	clear_pending (EV_A_ (W)w);
3924	if (expect_false (!ev_is_active (w)))	4447	if (expect_false (!ev_is_active (w)))
3925	return;	4448	return;
3926		4449
…		…
3939	}	4462	}
3940	#endif	4463	#endif
3941		4464
3942	#if EV_CHECK_ENABLE	4465	#if EV_CHECK_ENABLE
3943	void	4466	void
3944	ev_check_start (EV_P_ ev_check *w)	4467	ev_check_start (EV_P_ ev_check *w) EV_THROW
3945	{	4468	{
3946	if (expect_false (ev_is_active (w)))	4469	if (expect_false (ev_is_active (w)))
3947	return;	4470	return;
3948		4471
3949	EV_FREQUENT_CHECK;	4472	EV_FREQUENT_CHECK;
…		…
3954		4477
3955	EV_FREQUENT_CHECK;	4478	EV_FREQUENT_CHECK;
3956	}	4479	}
3957		4480
3958	void	4481	void
3959	ev_check_stop (EV_P_ ev_check *w)	4482	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3960	{	4483	{
3961	clear_pending (EV_A_ (W)w);	4484	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4485	if (expect_false (!ev_is_active (w)))
3963	return;	4486	return;
3964		4487
…		…
3977	}	4500	}
3978	#endif	4501	#endif
3979		4502
3980	#if EV_EMBED_ENABLE	4503	#if EV_EMBED_ENABLE
3981	void noinline	4504	void noinline
3982	ev_embed_sweep (EV_P_ ev_embed *w)	4505	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3983	{	4506	{
3984	ev_run (w->other, EVRUN_NOWAIT);	4507	ev_run (w->other, EVRUN_NOWAIT);
3985	}	4508	}
3986		4509
3987	static void	4510	static void
…		…
4035	ev_idle_stop (EV_A_ idle);	4558	ev_idle_stop (EV_A_ idle);
4036	}	4559	}
4037	#endif	4560	#endif
4038		4561
4039	void	4562	void
4040	ev_embed_start (EV_P_ ev_embed *w)	4563	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4041	{	4564	{
4042	if (expect_false (ev_is_active (w)))	4565	if (expect_false (ev_is_active (w)))
4043	return;	4566	return;
4044		4567
4045	{	4568	{
…		…
4066		4589
4067	EV_FREQUENT_CHECK;	4590	EV_FREQUENT_CHECK;
4068	}	4591	}
4069		4592
4070	void	4593	void
4071	ev_embed_stop (EV_P_ ev_embed *w)	4594	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4072	{	4595	{
4073	clear_pending (EV_A_ (W)w);	4596	clear_pending (EV_A_ (W)w);
4074	if (expect_false (!ev_is_active (w)))	4597	if (expect_false (!ev_is_active (w)))
4075	return;	4598	return;
4076		4599
…		…
4086	}	4609	}
4087	#endif	4610	#endif
4088		4611
4089	#if EV_FORK_ENABLE	4612	#if EV_FORK_ENABLE
4090	void	4613	void
4091	ev_fork_start (EV_P_ ev_fork *w)	4614	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4092	{	4615	{
4093	if (expect_false (ev_is_active (w)))	4616	if (expect_false (ev_is_active (w)))
4094	return;	4617	return;
4095		4618
4096	EV_FREQUENT_CHECK;	4619	EV_FREQUENT_CHECK;
…		…
4101		4624
4102	EV_FREQUENT_CHECK;	4625	EV_FREQUENT_CHECK;
4103	}	4626	}
4104		4627
4105	void	4628	void
4106	ev_fork_stop (EV_P_ ev_fork *w)	4629	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4107	{	4630	{
4108	clear_pending (EV_A_ (W)w);	4631	clear_pending (EV_A_ (W)w);
4109	if (expect_false (!ev_is_active (w)))	4632	if (expect_false (!ev_is_active (w)))
4110	return;	4633	return;
4111		4634
…		…
4124	}	4647	}
4125	#endif	4648	#endif
4126		4649
4127	#if EV_CLEANUP_ENABLE	4650	#if EV_CLEANUP_ENABLE
4128	void	4651	void
4129	ev_cleanup_start (EV_P_ ev_cleanup *w)	4652	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4130	{	4653	{
4131	if (expect_false (ev_is_active (w)))	4654	if (expect_false (ev_is_active (w)))
4132	return;	4655	return;
4133		4656
4134	EV_FREQUENT_CHECK;	4657	EV_FREQUENT_CHECK;
…		…
4141	ev_unref (EV_A);	4664	ev_unref (EV_A);
4142	EV_FREQUENT_CHECK;	4665	EV_FREQUENT_CHECK;
4143	}	4666	}
4144		4667
4145	void	4668	void
4146	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4669	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4147	{	4670	{
4148	clear_pending (EV_A_ (W)w);	4671	clear_pending (EV_A_ (W)w);
4149	if (expect_false (!ev_is_active (w)))	4672	if (expect_false (!ev_is_active (w)))
4150	return;	4673	return;
4151		4674
…		…
4165	}	4688	}
4166	#endif	4689	#endif
4167		4690
4168	#if EV_ASYNC_ENABLE	4691	#if EV_ASYNC_ENABLE
4169	void	4692	void
4170	ev_async_start (EV_P_ ev_async *w)	4693	ev_async_start (EV_P_ ev_async *w) EV_THROW
4171	{	4694	{
4172	if (expect_false (ev_is_active (w)))	4695	if (expect_false (ev_is_active (w)))
4173	return;	4696	return;
4174		4697
4175	w->sent = 0;	4698	w->sent = 0;
…		…
4184		4707
4185	EV_FREQUENT_CHECK;	4708	EV_FREQUENT_CHECK;
4186	}	4709	}
4187		4710
4188	void	4711	void
4189	ev_async_stop (EV_P_ ev_async *w)	4712	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4190	{	4713	{
4191	clear_pending (EV_A_ (W)w);	4714	clear_pending (EV_A_ (W)w);
4192	if (expect_false (!ev_is_active (w)))	4715	if (expect_false (!ev_is_active (w)))
4193	return;	4716	return;
4194		4717
…		…
4205		4728
4206	EV_FREQUENT_CHECK;	4729	EV_FREQUENT_CHECK;
4207	}	4730	}
4208		4731
4209	void	4732	void
4210	ev_async_send (EV_P_ ev_async *w)	4733	ev_async_send (EV_P_ ev_async *w) EV_THROW
4211	{	4734	{
4212	w->sent = 1;	4735	w->sent = 1;
4213	evpipe_write (EV_A_ &async_pending);	4736	evpipe_write (EV_A_ &async_pending);
4214	}	4737	}
4215	#endif	4738	#endif
…		…
4252		4775
4253	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4776	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4254	}	4777	}
4255		4778
4256	void	4779	void
4257	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4780	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4258	{	4781	{
4259	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4782	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4260		4783
4261	if (expect_false (!once))	4784	if (expect_false (!once))
4262	{	4785	{
…		…
4284		4807
4285	/*****************************************************************************/	4808	/*****************************************************************************/
4286		4809
4287	#if EV_WALK_ENABLE	4810	#if EV_WALK_ENABLE
4288	void ecb_cold	4811	void ecb_cold
4289	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4812	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4290	{	4813	{
4291	int i, j;	4814	int i, j;
4292	ev_watcher_list *wl, *wn;	4815	ev_watcher_list *wl, *wn;
4293		4816
4294	if (types & (EV_IO | EV_EMBED))	4817	if (types & (EV_IO | EV_EMBED))
…		…
4400		4923
4401	#if EV_MULTIPLICITY	4924	#if EV_MULTIPLICITY
4402	#include "ev_wrap.h"	4925	#include "ev_wrap.h"
4403	#endif	4926	#endif
4404		4927
4405	EV_CPP(})
4406

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