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Comparing libev/ev.c (file contents):
Revision 1.391 by root, Thu Aug 4 13:57:16 2011 UTC vs.
Revision 1.475 by sf-exg, Wed Apr 1 06:57:41 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	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		572	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		573
		574	/* work around x32 idiocy by defining proper macros */
		575	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		576	#if _ILP32
		577	#define ECB_AMD64_X32 1
		578	#else
		579	#define ECB_AMD64 1
		580	#endif
519	#endif	581	#endif
520		582
521	/* many compilers define _GNUC_ to some versions but then only implement	583	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	584	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	585	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	586	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	587	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	588	* an issue with that they should have done it right in the first place.
527	*/	589	*/
528	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	590	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	591	#define ECB_GCC_VERSION(major,minor) 0
531	#else	592	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	593	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	594	#endif
		595
		596	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		597
		598	#if __clang__ && defined __has_builtin
		599	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		600	#else
		601	#define ECB_CLANG_BUILTIN(x) 0
		602	#endif
		603
		604	#if __clang__ && defined __has_extension
		605	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		606	#else
		607	#define ECB_CLANG_EXTENSION(x) 0
		608	#endif
		609
		610	#define ECB_CPP (__cplusplus+0)
		611	#define ECB_CPP11 (__cplusplus >= 201103L)
		612
		613	#if ECB_CPP
		614	#define ECB_C 0
		615	#define ECB_STDC_VERSION 0
		616	#else
		617	#define ECB_C 1
		618	#define ECB_STDC_VERSION __STDC_VERSION__
		619	#endif
		620
		621	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		622	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		623
		624	#if ECB_CPP
		625	#define ECB_EXTERN_C extern "C"
		626	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		627	#define ECB_EXTERN_C_END }
		628	#else
		629	#define ECB_EXTERN_C extern
		630	#define ECB_EXTERN_C_BEG
		631	#define ECB_EXTERN_C_END
534	#endif	632	#endif
535		633
536	/*****************************************************************************/	634	/*****************************************************************************/
537		635
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	636	/* 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 */	637	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		638
541	#if ECB_NO_THREADS || ECB_NO_SMP	639	#if ECB_NO_THREADS
		640	#define ECB_NO_SMP 1
		641	#endif
		642
		643	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	644	#define ECB_MEMORY_FENCE do { } while (0)
543	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545	#endif	645	#endif
546		646
547	#ifndef ECB_MEMORY_FENCE	647	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	648	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	649	#if __i386 || __i386__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	650	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	651	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	652	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	653	#elif ECB_GCC_AMD64
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	654	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	655	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
556	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	656	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		657	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		658	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		659	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		660	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		662	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		663	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		664	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		665	#elif __aarch64__
		666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		667	#elif (__sparc || __sparc__) && !__sparcv8
		668	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		669	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		670	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		671	#elif defined __s390__ || defined __s390x__
		672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		673	#elif defined __mips__
		674	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		675	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		676	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		677	#elif defined __alpha__
		678	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		679	#elif defined __hppa__
		680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		681	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		682	#elif defined __ia64__
		683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		684	#elif defined __m68k__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		686	#elif defined __m88k__
		687	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		688	#elif defined __sh__
		689	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
557	#endif	690	#endif
558	#endif	691	#endif
559	#endif	692	#endif
560		693
561	#ifndef ECB_MEMORY_FENCE	694	#ifndef ECB_MEMORY_FENCE
562	#if ECB_GCC_VERSION(4,4)	695	#if ECB_GCC_VERSION(4,7)
		696	/* see comment below (stdatomic.h) about the C11 memory model. */
		697	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		698	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		699	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		700
		701	#elif ECB_CLANG_EXTENSION(c_atomic)
		702	/* see comment below (stdatomic.h) about the C11 memory model. */
		703	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		704	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		705	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		706
		707	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
563	#define ECB_MEMORY_FENCE __sync_synchronize ()	708	#define ECB_MEMORY_FENCE __sync_synchronize ()
564	#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })	709	#elif _MSC_VER >= 1500 /* VC++ 2008 */
565	#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })	710	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		711	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		712	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		713	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		714	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
566	#elif _MSC_VER >= 1400 /* VC++ 2005 */	715	#elif _MSC_VER >= 1400 /* VC++ 2005 */
567	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	716	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
568	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	717	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
569	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	718	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
570	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	719	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
571	#elif defined(_WIN32)	720	#elif defined _WIN32
572	#include <WinNT.h>	721	#include <WinNT.h>
573	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	722	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
574	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	723	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
575	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	724	#include <mbarrier.h>
		725	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		726	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		727	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		728	#elif __xlC__
		729	#define ECB_MEMORY_FENCE __sync ()
576	#endif	730	#endif
577	#endif	731	#endif
578		732
579	#ifndef ECB_MEMORY_FENCE	733	#ifndef ECB_MEMORY_FENCE
		734	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		735	/* we assume that these memory fences work on all variables/all memory accesses, */
		736	/* not just C11 atomics and atomic accesses */
		737	#include <stdatomic.h>
		738	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		739	/* any fence other than seq_cst, which isn't very efficient for us. */
		740	/* Why that is, we don't know - either the C11 memory model is quite useless */
		741	/* for most usages, or gcc and clang have a bug */
		742	/* I *currently* lean towards the latter, and inefficiently implement */
		743	/* all three of ecb's fences as a seq_cst fence */
		744	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		745	/* for all __atomic_thread_fence's except seq_cst */
		746	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		747	#endif
		748	#endif
		749
		750	#ifndef ECB_MEMORY_FENCE
		751	#if !ECB_AVOID_PTHREADS
580	/*	752	/*
581	* if you get undefined symbol references to pthread_mutex_lock,	753	* if you get undefined symbol references to pthread_mutex_lock,
582	* or failure to find pthread.h, then you should implement	754	* or failure to find pthread.h, then you should implement
583	* the ECB_MEMORY_FENCE operations for your cpu/compiler	755	* the ECB_MEMORY_FENCE operations for your cpu/compiler
584	* OR provide pthread.h and link against the posix thread library	756	* OR provide pthread.h and link against the posix thread library
585	* of your system.	757	* of your system.
586	*/	758	*/
587	#include <pthread.h>	759	#include <pthread.h>
588	#define ECB_NEEDS_PTHREADS 1	760	#define ECB_NEEDS_PTHREADS 1
589	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1	761	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
590		762
591	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	763	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
592	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	764	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		765	#endif
		766	#endif
		767
		768	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
593	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	769	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		770	#endif
		771
		772	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
594	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	773	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
595	#endif	774	#endif
596		775
597	/*****************************************************************************/	776	/*****************************************************************************/
598		777
599	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	778	#if ECB_CPP
600
601	#if __cplusplus
602	#define ecb_inline static inline	779	#define ecb_inline static inline
603	#elif ECB_GCC_VERSION(2,5)	780	#elif ECB_GCC_VERSION(2,5)
604	#define ecb_inline static __inline__	781	#define ecb_inline static __inline__
605	#elif ECB_C99	782	#elif ECB_C99
606	#define ecb_inline static inline	783	#define ecb_inline static inline
…		…
620		797
621	#define ECB_CONCAT_(a, b) a ## b	798	#define ECB_CONCAT_(a, b) a ## b
622	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	799	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
623	#define ECB_STRINGIFY_(a) # a	800	#define ECB_STRINGIFY_(a) # a
624	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	801	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		802	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
625		803
626	#define ecb_function_ ecb_inline	804	#define ecb_function_ ecb_inline
627		805
628	#if ECB_GCC_VERSION(3,1)	806	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
629	#define ecb_attribute(attrlist) __attribute__(attrlist)	807	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		808	#else
		809	#define ecb_attribute(attrlist)
		810	#endif
		811
		812	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
630	#define ecb_is_constant(expr) __builtin_constant_p (expr)	813	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		814	#else
		815	/* possible C11 impl for integral types
		816	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		817	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		818
		819	#define ecb_is_constant(expr) 0
		820	#endif
		821
		822	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
631	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	823	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		824	#else
		825	#define ecb_expect(expr,value) (expr)
		826	#endif
		827
		828	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
632	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	829	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
633	#else	830	#else
634	#define ecb_attribute(attrlist)
635	#define ecb_is_constant(expr) 0
636	#define ecb_expect(expr,value) (expr)
637	#define ecb_prefetch(addr,rw,locality)	831	#define ecb_prefetch(addr,rw,locality)
638	#endif	832	#endif
639		833
640	/* no emulation for ecb_decltype */	834	/* no emulation for ecb_decltype */
641	#if ECB_GCC_VERSION(4,5)	835	#if ECB_CPP11
		836	// older implementations might have problems with decltype(x)::type, work around it
		837	template<class T> struct ecb_decltype_t { typedef T type; };
642	#define ecb_decltype(x) __decltype(x)	838	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
643	#elif ECB_GCC_VERSION(3,0)	839	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
644	#define ecb_decltype(x) __typeof(x)	840	#define ecb_decltype(x) __typeof__ (x)
645	#endif	841	#endif
646		842
		843	#if _MSC_VER >= 1300
		844	#define ecb_deprecated __declspec (deprecated)
		845	#else
		846	#define ecb_deprecated ecb_attribute ((__deprecated__))
		847	#endif
		848
		849	#if __MSC_VER >= 1500
		850	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		851	#elif ECB_GCC_VERSION(4,5)
		852	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		853	#else
		854	#define ecb_deprecated_message(msg) ecb_deprecated
		855	#endif
		856
		857	#if _MSC_VER >= 1400
		858	#define ecb_noinline __declspec (noinline)
		859	#else
647	#define ecb_noinline ecb_attribute ((__noinline__))	860	#define ecb_noinline ecb_attribute ((__noinline__))
648	#define ecb_noreturn ecb_attribute ((__noreturn__))	861	#endif
		862
649	#define ecb_unused ecb_attribute ((__unused__))	863	#define ecb_unused ecb_attribute ((__unused__))
650	#define ecb_const ecb_attribute ((__const__))	864	#define ecb_const ecb_attribute ((__const__))
651	#define ecb_pure ecb_attribute ((__pure__))	865	#define ecb_pure ecb_attribute ((__pure__))
		866
		867	#if ECB_C11 || __IBMC_NORETURN
		868	/* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */
		869	#define ecb_noreturn _Noreturn
		870	#elif ECB_CPP11
		871	#define ecb_noreturn [[noreturn]]
		872	#elif _MSC_VER >= 1200
		873	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		874	#define ecb_noreturn __declspec (noreturn)
		875	#else
		876	#define ecb_noreturn ecb_attribute ((__noreturn__))
		877	#endif
652		878
653	#if ECB_GCC_VERSION(4,3)	879	#if ECB_GCC_VERSION(4,3)
654	#define ecb_artificial ecb_attribute ((__artificial__))	880	#define ecb_artificial ecb_attribute ((__artificial__))
655	#define ecb_hot ecb_attribute ((__hot__))	881	#define ecb_hot ecb_attribute ((__hot__))
656	#define ecb_cold ecb_attribute ((__cold__))	882	#define ecb_cold ecb_attribute ((__cold__))
…		…
668	/* for compatibility to the rest of the world */	894	/* for compatibility to the rest of the world */
669	#define ecb_likely(expr) ecb_expect_true (expr)	895	#define ecb_likely(expr) ecb_expect_true (expr)
670	#define ecb_unlikely(expr) ecb_expect_false (expr)	896	#define ecb_unlikely(expr) ecb_expect_false (expr)
671		897
672	/* count trailing zero bits and count # of one bits */	898	/* count trailing zero bits and count # of one bits */
673	#if ECB_GCC_VERSION(3,4)	899	#if ECB_GCC_VERSION(3,4) \
		900	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		901	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		902	&& ECB_CLANG_BUILTIN(__builtin_popcount))
674	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	903	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
675	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	904	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
676	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	905	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
677	#define ecb_ctz32(x) __builtin_ctz (x)	906	#define ecb_ctz32(x) __builtin_ctz (x)
678	#define ecb_ctz64(x) __builtin_ctzll (x)	907	#define ecb_ctz64(x) __builtin_ctzll (x)
679	#define ecb_popcount32(x) __builtin_popcount (x)	908	#define ecb_popcount32(x) __builtin_popcount (x)
680	/* no popcountll */	909	/* no popcountll */
681	#else	910	#else
682	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	911	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
683	ecb_function_ int	912	ecb_function_ ecb_const int
684	ecb_ctz32 (uint32_t x)	913	ecb_ctz32 (uint32_t x)
685	{	914	{
686	int r = 0;	915	int r = 0;
687		916
688	x &= ~x + 1; /* this isolates the lowest bit */	917	x &= ~x + 1; /* this isolates the lowest bit */
…		…
702	#endif	931	#endif
703		932
704	return r;	933	return r;
705	}	934	}
706		935
707	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	936	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
708	ecb_function_ int	937	ecb_function_ ecb_const int
709	ecb_ctz64 (uint64_t x)	938	ecb_ctz64 (uint64_t x)
710	{	939	{
711	int shift = x & 0xffffffffU ? 0 : 32;	940	int shift = x & 0xffffffffU ? 0 : 32;
712	return ecb_ctz32 (x >> shift) + shift;	941	return ecb_ctz32 (x >> shift) + shift;
713	}	942	}
714		943
715	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	944	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
716	ecb_function_ int	945	ecb_function_ ecb_const int
717	ecb_popcount32 (uint32_t x)	946	ecb_popcount32 (uint32_t x)
718	{	947	{
719	x -= (x >> 1) & 0x55555555;	948	x -= (x >> 1) & 0x55555555;
720	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	949	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
721	x = ((x >> 4) + x) & 0x0f0f0f0f;	950	x = ((x >> 4) + x) & 0x0f0f0f0f;
722	x *= 0x01010101;	951	x *= 0x01010101;
723		952
724	return x >> 24;	953	return x >> 24;
725	}	954	}
726		955
727	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	956	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
728	ecb_function_ int ecb_ld32 (uint32_t x)	957	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
729	{	958	{
730	int r = 0;	959	int r = 0;
731		960
732	if (x >> 16) { x >>= 16; r += 16; }	961	if (x >> 16) { x >>= 16; r += 16; }
733	if (x >> 8) { x >>= 8; r += 8; }	962	if (x >> 8) { x >>= 8; r += 8; }
…		…
736	if (x >> 1) { r += 1; }	965	if (x >> 1) { r += 1; }
737		966
738	return r;	967	return r;
739	}	968	}
740		969
741	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	970	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
742	ecb_function_ int ecb_ld64 (uint64_t x)	971	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
743	{	972	{
744	int r = 0;	973	int r = 0;
745		974
746	if (x >> 32) { x >>= 32; r += 32; }	975	if (x >> 32) { x >>= 32; r += 32; }
747		976
748	return r + ecb_ld32 (x);	977	return r + ecb_ld32 (x);
749	}	978	}
750	#endif	979	#endif
751		980
		981	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		982	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		983	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		984	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		985
		986	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		987	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		988	{
		989	return ( (x * 0x0802U & 0x22110U)
		990	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		991	}
		992
		993	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		994	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		995	{
		996	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		997	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		998	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		999	x = ( x >> 8 ) | ( x << 8);
		1000
		1001	return x;
		1002	}
		1003
		1004	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		1005	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		1006	{
		1007	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		1008	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		1009	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		1010	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		1011	x = ( x >> 16 ) | ( x << 16);
		1012
		1013	return x;
		1014	}
		1015
752	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1016	/* popcount64 is only available on 64 bit cpus as gcc builtin */
753	/* so for this version we are lazy */	1017	/* so for this version we are lazy */
754	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
755	ecb_function_ int	1019	ecb_function_ ecb_const int
756	ecb_popcount64 (uint64_t x)	1020	ecb_popcount64 (uint64_t x)
757	{	1021	{
758	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1022	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
759	}	1023	}
760		1024
761	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1025	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
762	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1026	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
763	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1027	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
764	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1028	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
765	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1029	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
766	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1030	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
767	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1031	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
768	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1032	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
769		1033
770	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1034	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
771	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1035	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
772	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1036	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
773	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1037	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
774	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1038	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
775	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1039	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
776	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1040	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
777	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1041	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
778		1042
779	#if ECB_GCC_VERSION(4,3)	1043	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
780	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1044	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
781	#define ecb_bswap32(x) __builtin_bswap32 (x)	1045	#define ecb_bswap32(x) __builtin_bswap32 (x)
782	#define ecb_bswap64(x) __builtin_bswap64 (x)	1046	#define ecb_bswap64(x) __builtin_bswap64 (x)
783	#else	1047	#else
784	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1048	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
785	ecb_function_ uint16_t	1049	ecb_function_ ecb_const uint16_t
786	ecb_bswap16 (uint16_t x)	1050	ecb_bswap16 (uint16_t x)
787	{	1051	{
788	return ecb_rotl16 (x, 8);	1052	return ecb_rotl16 (x, 8);
789	}	1053	}
790		1054
791	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1055	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
792	ecb_function_ uint32_t	1056	ecb_function_ ecb_const uint32_t
793	ecb_bswap32 (uint32_t x)	1057	ecb_bswap32 (uint32_t x)
794	{	1058	{
795	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1059	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
796	}	1060	}
797		1061
798	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1062	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
799	ecb_function_ uint64_t	1063	ecb_function_ ecb_const uint64_t
800	ecb_bswap64 (uint64_t x)	1064	ecb_bswap64 (uint64_t x)
801	{	1065	{
802	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1066	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
803	}	1067	}
804	#endif	1068	#endif
805		1069
806	#if ECB_GCC_VERSION(4,5)	1070	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
807	#define ecb_unreachable() __builtin_unreachable ()	1071	#define ecb_unreachable() __builtin_unreachable ()
808	#else	1072	#else
809	/* this seems to work fine, but gcc always emits a warning for it :/ */	1073	/* this seems to work fine, but gcc always emits a warning for it :/ */
810	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1074	ecb_inline ecb_noreturn void ecb_unreachable (void);
811	ecb_function_ void ecb_unreachable (void) { }	1075	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
812	#endif	1076	#endif
813		1077
814	/* try to tell the compiler that some condition is definitely true */	1078	/* try to tell the compiler that some condition is definitely true */
815	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1079	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
816		1080
817	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1081	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
818	ecb_function_ unsigned char	1082	ecb_inline ecb_const unsigned char
819	ecb_byteorder_helper (void)	1083	ecb_byteorder_helper (void)
820	{	1084	{
821	const uint32_t u = 0x11223344;	1085	/* the union code still generates code under pressure in gcc, */
822	return *(unsigned char *)&u;	1086	/* but less than using pointers, and always seems to */
		1087	/* successfully return a constant. */
		1088	/* the reason why we have this horrible preprocessor mess */
		1089	/* is to avoid it in all cases, at least on common architectures */
		1090	/* or when using a recent enough gcc version (>= 4.6) */
		1091	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
		1092	return 0x44;
		1093	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1094	return 0x44;
		1095	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1096	return 0x11;
		1097	#else
		1098	union
		1099	{
		1100	uint32_t i;
		1101	uint8_t c;
		1102	} u = { 0x11223344 };
		1103	return u.c;
		1104	#endif
823	}	1105	}
824		1106
825	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1107	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
826	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1108	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
827	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1109	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
828	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1110	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
829		1111
830	#if ECB_GCC_VERSION(3,0) || ECB_C99	1112	#if ECB_GCC_VERSION(3,0) || ECB_C99
831	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1113	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
832	#else	1114	#else
833	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1115	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1116	#endif
		1117
		1118	#if ECB_CPP
		1119	template<typename T>
		1120	static inline T ecb_div_rd (T val, T div)
		1121	{
		1122	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1123	}
		1124	template<typename T>
		1125	static inline T ecb_div_ru (T val, T div)
		1126	{
		1127	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1128	}
		1129	#else
		1130	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1131	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
834	#endif	1132	#endif
835		1133
836	#if ecb_cplusplus_does_not_suck	1134	#if ecb_cplusplus_does_not_suck
837	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1135	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
838	template<typename T, int N>	1136	template<typename T, int N>
…		…
842	}	1140	}
843	#else	1141	#else
844	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1142	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
845	#endif	1143	#endif
846		1144
		1145	/*******************************************************************************/
		1146	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1147
		1148	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1149	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1150	#if 0 \
		1151	|| __i386 || __i386__ \
		1152	|| ECB_GCC_AMD64 \
		1153	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1154	|| defined __s390__ || defined __s390x__ \
		1155	|| defined __mips__ \
		1156	|| defined __alpha__ \
		1157	|| defined __hppa__ \
		1158	|| defined __ia64__ \
		1159	|| defined __m68k__ \
		1160	|| defined __m88k__ \
		1161	|| defined __sh__ \
		1162	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1163	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1164	|| defined __aarch64__
		1165	#define ECB_STDFP 1
		1166	#include <string.h> /* for memcpy */
		1167	#else
		1168	#define ECB_STDFP 0
		1169	#endif
		1170
		1171	#ifndef ECB_NO_LIBM
		1172
		1173	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1174
		1175	/* only the oldest of old doesn't have this one. solaris. */
		1176	#ifdef INFINITY
		1177	#define ECB_INFINITY INFINITY
		1178	#else
		1179	#define ECB_INFINITY HUGE_VAL
		1180	#endif
		1181
		1182	#ifdef NAN
		1183	#define ECB_NAN NAN
		1184	#else
		1185	#define ECB_NAN ECB_INFINITY
		1186	#endif
		1187
		1188	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1189	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1190	#else
		1191	#define ecb_ldexpf(x,e) (float) ldexp ((float) (x), (e))
		1192	#endif
		1193
		1194	/* converts an ieee half/binary16 to a float */
		1195	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1196	ecb_function_ ecb_const float
		1197	ecb_binary16_to_float (uint16_t x)
		1198	{
		1199	int e = (x >> 10) & 0x1f;
		1200	int m = x & 0x3ff;
		1201	float r;
		1202
		1203	if (!e ) r = ecb_ldexpf (m , -24);
		1204	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1205	else if (m ) r = ECB_NAN;
		1206	else r = ECB_INFINITY;
		1207
		1208	return x & 0x8000 ? -r : r;
		1209	}
		1210
		1211	/* convert a float to ieee single/binary32 */
		1212	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1213	ecb_function_ ecb_const uint32_t
		1214	ecb_float_to_binary32 (float x)
		1215	{
		1216	uint32_t r;
		1217
		1218	#if ECB_STDFP
		1219	memcpy (&r, &x, 4);
		1220	#else
		1221	/* slow emulation, works for anything but -0 */
		1222	uint32_t m;
		1223	int e;
		1224
		1225	if (x == 0e0f ) return 0x00000000U;
		1226	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1227	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1228	if (x != x ) return 0x7fbfffffU;
		1229
		1230	m = frexpf (x, &e) * 0x1000000U;
		1231
		1232	r = m & 0x80000000U;
		1233
		1234	if (r)
		1235	m = -m;
		1236
		1237	if (e <= -126)
		1238	{
		1239	m &= 0xffffffU;
		1240	m >>= (-125 - e);
		1241	e = -126;
		1242	}
		1243
		1244	r |= (e + 126) << 23;
		1245	r |= m & 0x7fffffU;
		1246	#endif
		1247
		1248	return r;
		1249	}
		1250
		1251	/* converts an ieee single/binary32 to a float */
		1252	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1253	ecb_function_ ecb_const float
		1254	ecb_binary32_to_float (uint32_t x)
		1255	{
		1256	float r;
		1257
		1258	#if ECB_STDFP
		1259	memcpy (&r, &x, 4);
		1260	#else
		1261	/* emulation, only works for normals and subnormals and +0 */
		1262	int neg = x >> 31;
		1263	int e = (x >> 23) & 0xffU;
		1264
		1265	x &= 0x7fffffU;
		1266
		1267	if (e)
		1268	x |= 0x800000U;
		1269	else
		1270	e = 1;
		1271
		1272	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1273	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1274
		1275	r = neg ? -r : r;
		1276	#endif
		1277
		1278	return r;
		1279	}
		1280
		1281	/* convert a double to ieee double/binary64 */
		1282	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1283	ecb_function_ ecb_const uint64_t
		1284	ecb_double_to_binary64 (double x)
		1285	{
		1286	uint64_t r;
		1287
		1288	#if ECB_STDFP
		1289	memcpy (&r, &x, 8);
		1290	#else
		1291	/* slow emulation, works for anything but -0 */
		1292	uint64_t m;
		1293	int e;
		1294
		1295	if (x == 0e0 ) return 0x0000000000000000U;
		1296	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1297	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1298	if (x != x ) return 0X7ff7ffffffffffffU;
		1299
		1300	m = frexp (x, &e) * 0x20000000000000U;
		1301
		1302	r = m & 0x8000000000000000;;
		1303
		1304	if (r)
		1305	m = -m;
		1306
		1307	if (e <= -1022)
		1308	{
		1309	m &= 0x1fffffffffffffU;
		1310	m >>= (-1021 - e);
		1311	e = -1022;
		1312	}
		1313
		1314	r |= ((uint64_t)(e + 1022)) << 52;
		1315	r |= m & 0xfffffffffffffU;
		1316	#endif
		1317
		1318	return r;
		1319	}
		1320
		1321	/* converts an ieee double/binary64 to a double */
		1322	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1323	ecb_function_ ecb_const double
		1324	ecb_binary64_to_double (uint64_t x)
		1325	{
		1326	double r;
		1327
		1328	#if ECB_STDFP
		1329	memcpy (&r, &x, 8);
		1330	#else
		1331	/* emulation, only works for normals and subnormals and +0 */
		1332	int neg = x >> 63;
		1333	int e = (x >> 52) & 0x7ffU;
		1334
		1335	x &= 0xfffffffffffffU;
		1336
		1337	if (e)
		1338	x |= 0x10000000000000U;
		1339	else
		1340	e = 1;
		1341
		1342	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1343	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1344
		1345	r = neg ? -r : r;
		1346	#endif
		1347
		1348	return r;
		1349	}
		1350
		1351	#endif
		1352
847	#endif	1353	#endif
848		1354
849	/* ECB.H END */	1355	/* ECB.H END */
		1356
		1357	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1358	/* if your architecture doesn't need memory fences, e.g. because it is
		1359	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1360	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1361	* libev, in which cases the memory fences become nops.
		1362	* alternatively, you can remove this #error and link against libpthread,
		1363	* which will then provide the memory fences.
		1364	*/
		1365	# error "memory fences not defined for your architecture, please report"
		1366	#endif
		1367
		1368	#ifndef ECB_MEMORY_FENCE
		1369	# define ECB_MEMORY_FENCE do { } while (0)
		1370	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1371	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1372	#endif
850		1373
851	#define expect_false(cond) ecb_expect_false (cond)	1374	#define expect_false(cond) ecb_expect_false (cond)
852	#define expect_true(cond) ecb_expect_true (cond)	1375	#define expect_true(cond) ecb_expect_true (cond)
853	#define noinline ecb_noinline	1376	#define noinline ecb_noinline
854		1377
…		…
1000	{	1523	{
1001	write (STDERR_FILENO, msg, strlen (msg));	1524	write (STDERR_FILENO, msg, strlen (msg));
1002	}	1525	}
1003	#endif	1526	#endif
1004		1527
1005	static void (*syserr_cb)(const char *msg);	1528	static void (*syserr_cb)(const char *msg) EV_THROW;
1006		1529
1007	void ecb_cold	1530	void ecb_cold
1008	ev_set_syserr_cb (void (*cb)(const char *msg))	1531	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1009	{	1532	{
1010	syserr_cb = cb;	1533	syserr_cb = cb;
1011	}	1534	}
1012		1535
1013	static void noinline ecb_cold	1536	static void noinline ecb_cold
…		…
1031	abort ();	1554	abort ();
1032	}	1555	}
1033	}	1556	}
1034		1557
1035	static void *	1558	static void *
1036	ev_realloc_emul (void *ptr, long size)	1559	ev_realloc_emul (void *ptr, long size) EV_THROW
1037	{	1560	{
1038	#if __GLIBC__
1039	return realloc (ptr, size);
1040	#else
1041	/* some systems, notably openbsd and darwin, fail to properly	1561	/* some systems, notably openbsd and darwin, fail to properly
1042	* implement realloc (x, 0) (as required by both ansi c-89 and	1562	* implement realloc (x, 0) (as required by both ansi c-89 and
1043	* the single unix specification, so work around them here.	1563	* the single unix specification, so work around them here.
		1564	* recently, also (at least) fedora and debian started breaking it,
		1565	* despite documenting it otherwise.
1044	*/	1566	*/
1045		1567
1046	if (size)	1568	if (size)
1047	return realloc (ptr, size);	1569	return realloc (ptr, size);
1048		1570
1049	free (ptr);	1571	free (ptr);
1050	return 0;	1572	return 0;
1051	#endif
1052	}	1573	}
1053		1574
1054	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1575	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1055		1576
1056	void ecb_cold	1577	void ecb_cold
1057	ev_set_allocator (void *(*cb)(void *ptr, long size))	1578	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1058	{	1579	{
1059	alloc = cb;	1580	alloc = cb;
1060	}	1581	}
1061		1582
1062	inline_speed void *	1583	inline_speed void *
…		…
1150	#undef VAR	1671	#undef VAR
1151	};	1672	};
1152	#include "ev_wrap.h"	1673	#include "ev_wrap.h"
1153		1674
1154	static struct ev_loop default_loop_struct;	1675	static struct ev_loop default_loop_struct;
1155	struct ev_loop *ev_default_loop_ptr;	1676	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1156		1677
1157	#else	1678	#else
1158		1679
1159	ev_tstamp ev_rt_now;	1680	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1160	#define VAR(name,decl) static decl;	1681	#define VAR(name,decl) static decl;
1161	#include "ev_vars.h"	1682	#include "ev_vars.h"
1162	#undef VAR	1683	#undef VAR
1163		1684
1164	static int ev_default_loop_ptr;	1685	static int ev_default_loop_ptr;
…		…
1179		1700
1180	/*****************************************************************************/	1701	/*****************************************************************************/
1181		1702
1182	#ifndef EV_HAVE_EV_TIME	1703	#ifndef EV_HAVE_EV_TIME
1183	ev_tstamp	1704	ev_tstamp
1184	ev_time (void)	1705	ev_time (void) EV_THROW
1185	{	1706	{
1186	#if EV_USE_REALTIME	1707	#if EV_USE_REALTIME
1187	if (expect_true (have_realtime))	1708	if (expect_true (have_realtime))
1188	{	1709	{
1189	struct timespec ts;	1710	struct timespec ts;
…		…
1213	return ev_time ();	1734	return ev_time ();
1214	}	1735	}
1215		1736
1216	#if EV_MULTIPLICITY	1737	#if EV_MULTIPLICITY
1217	ev_tstamp	1738	ev_tstamp
1218	ev_now (EV_P)	1739	ev_now (EV_P) EV_THROW
1219	{	1740	{
1220	return ev_rt_now;	1741	return ev_rt_now;
1221	}	1742	}
1222	#endif	1743	#endif
1223		1744
1224	void	1745	void
1225	ev_sleep (ev_tstamp delay)	1746	ev_sleep (ev_tstamp delay) EV_THROW
1226	{	1747	{
1227	if (delay > 0.)	1748	if (delay > 0.)
1228	{	1749	{
1229	#if EV_USE_NANOSLEEP	1750	#if EV_USE_NANOSLEEP
1230	struct timespec ts;	1751	struct timespec ts;
1231		1752
1232	EV_TS_SET (ts, delay);	1753	EV_TS_SET (ts, delay);
1233	nanosleep (&ts, 0);	1754	nanosleep (&ts, 0);
1234	#elif defined(_WIN32)	1755	#elif defined _WIN32
1235	Sleep ((unsigned long)(delay * 1e3));	1756	Sleep ((unsigned long)(delay * 1e3));
1236	#else	1757	#else
1237	struct timeval tv;	1758	struct timeval tv;
1238		1759
1239	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1760	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1258		1779
1259	do	1780	do
1260	ncur <<= 1;	1781	ncur <<= 1;
1261	while (cnt > ncur);	1782	while (cnt > ncur);
1262		1783
1263	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1784	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1264	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1785	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1265	{	1786	{
1266	ncur *= elem;	1787	ncur *= elem;
1267	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1788	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1268	ncur = ncur - sizeof (void *) * 4;	1789	ncur = ncur - sizeof (void *) * 4;
…		…
1311	pendingcb (EV_P_ ev_prepare *w, int revents)	1832	pendingcb (EV_P_ ev_prepare *w, int revents)
1312	{	1833	{
1313	}	1834	}
1314		1835
1315	void noinline	1836	void noinline
1316	ev_feed_event (EV_P_ void *w, int revents)	1837	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1317	{	1838	{
1318	W w_ = (W)w;	1839	W w_ = (W)w;
1319	int pri = ABSPRI (w_);	1840	int pri = ABSPRI (w_);
1320		1841
1321	if (expect_false (w_->pending))	1842	if (expect_false (w_->pending))
…		…
1325	w_->pending = ++pendingcnt [pri];	1846	w_->pending = ++pendingcnt [pri];
1326	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1847	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1327	pendings [pri][w_->pending - 1].w = w_;	1848	pendings [pri][w_->pending - 1].w = w_;
1328	pendings [pri][w_->pending - 1].events = revents;	1849	pendings [pri][w_->pending - 1].events = revents;
1329	}	1850	}
		1851
		1852	pendingpri = NUMPRI - 1;
1330	}	1853	}
1331		1854
1332	inline_speed void	1855	inline_speed void
1333	feed_reverse (EV_P_ W w)	1856	feed_reverse (EV_P_ W w)
1334	{	1857	{
…		…
1380	if (expect_true (!anfd->reify))	1903	if (expect_true (!anfd->reify))
1381	fd_event_nocheck (EV_A_ fd, revents);	1904	fd_event_nocheck (EV_A_ fd, revents);
1382	}	1905	}
1383		1906
1384	void	1907	void
1385	ev_feed_fd_event (EV_P_ int fd, int revents)	1908	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1386	{	1909	{
1387	if (fd >= 0 && fd < anfdmax)	1910	if (fd >= 0 && fd < anfdmax)
1388	fd_event_nocheck (EV_A_ fd, revents);	1911	fd_event_nocheck (EV_A_ fd, revents);
1389	}	1912	}
1390		1913
…		…
1709	static void noinline ecb_cold	2232	static void noinline ecb_cold
1710	evpipe_init (EV_P)	2233	evpipe_init (EV_P)
1711	{	2234	{
1712	if (!ev_is_active (&pipe_w))	2235	if (!ev_is_active (&pipe_w))
1713	{	2236	{
		2237	int fds [2];
		2238
1714	# if EV_USE_EVENTFD	2239	# if EV_USE_EVENTFD
		2240	fds [0] = -1;
1715	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2241	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1716	if (evfd < 0 && errno == EINVAL)	2242	if (fds [1] < 0 && errno == EINVAL)
1717	evfd = eventfd (0, 0);	2243	fds [1] = eventfd (0, 0);
1718		2244
1719	if (evfd >= 0)	2245	if (fds [1] < 0)
		2246	# endif
1720	{	2247	{
		2248	while (pipe (fds))
		2249	ev_syserr ("(libev) error creating signal/async pipe");
		2250
		2251	fd_intern (fds [0]);
		2252	}
		2253
1721	evpipe [0] = -1;	2254	evpipe [0] = fds [0];
1722	fd_intern (evfd); /* doing it twice doesn't hurt */	2255
1723	ev_io_set (&pipe_w, evfd, EV_READ);	2256	if (evpipe [1] < 0)
		2257	evpipe [1] = fds [1]; /* first call, set write fd */
		2258	else
		2259	{
		2260	/* on subsequent calls, do not change evpipe [1] */
		2261	/* so that evpipe_write can always rely on its value. */
		2262	/* this branch does not do anything sensible on windows, */
		2263	/* so must not be executed on windows */
		2264
		2265	dup2 (fds [1], evpipe [1]);
		2266	close (fds [1]);
		2267	}
		2268
		2269	fd_intern (evpipe [1]);
		2270
		2271	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2272	ev_io_start (EV_A_ &pipe_w);
		2273	ev_unref (EV_A); /* watcher should not keep loop alive */
		2274	}
		2275	}
		2276
		2277	inline_speed void
		2278	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2279	{
		2280	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2281
		2282	if (expect_true (*flag))
		2283	return;
		2284
		2285	*flag = 1;
		2286	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2287
		2288	pipe_write_skipped = 1;
		2289
		2290	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2291
		2292	if (pipe_write_wanted)
		2293	{
		2294	int old_errno;
		2295
		2296	pipe_write_skipped = 0;
		2297	ECB_MEMORY_FENCE_RELEASE;
		2298
		2299	old_errno = errno; /* save errno because write will clobber it */
		2300
		2301	#if EV_USE_EVENTFD
		2302	if (evpipe [0] < 0)
		2303	{
		2304	uint64_t counter = 1;
		2305	write (evpipe [1], &counter, sizeof (uint64_t));
1724	}	2306	}
1725	else	2307	else
1726	# endif	2308	#endif
1727	{	2309	{
1728	while (pipe (evpipe))	2310	#ifdef _WIN32
1729	ev_syserr ("(libev) error creating signal/async pipe");	2311	WSABUF buf;
1730		2312	DWORD sent;
1731	fd_intern (evpipe [0]);	2313	buf.buf = &buf;
1732	fd_intern (evpipe [1]);	2314	buf.len = 1;
1733	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2315	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1734	}	2316	#else
1735
1736	ev_io_start (EV_A_ &pipe_w);
1737	ev_unref (EV_A); /* watcher should not keep loop alive */
1738	}
1739	}
1740
1741	inline_speed void
1742	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1743	{
1744	if (expect_true (*flag))
1745	return;
1746
1747	*flag = 1;
1748
1749	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1750
1751	pipe_write_skipped = 1;
1752
1753	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1754
1755	if (pipe_write_wanted)
1756	{
1757	int old_errno;
1758
1759	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1760
1761	old_errno = errno; /* save errno because write will clobber it */
1762
1763	#if EV_USE_EVENTFD
1764	if (evfd >= 0)
1765	{
1766	uint64_t counter = 1;
1767	write (evfd, &counter, sizeof (uint64_t));
1768	}
1769	else
1770	#endif
1771	{
1772	/* win32 people keep sending patches that change this write() to send() */
1773	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1774	/* so when you think this write should be a send instead, please find out */
1775	/* where your send() is from - it's definitely not the microsoft send, and */
1776	/* tell me. thank you. */
1777	write (evpipe [1], &(evpipe [1]), 1);	2317	write (evpipe [1], &(evpipe [1]), 1);
		2318	#endif
1778	}	2319	}
1779		2320
1780	errno = old_errno;	2321	errno = old_errno;
1781	}	2322	}
1782	}	2323	}
…		…
1789	int i;	2330	int i;
1790		2331
1791	if (revents & EV_READ)	2332	if (revents & EV_READ)
1792	{	2333	{
1793	#if EV_USE_EVENTFD	2334	#if EV_USE_EVENTFD
1794	if (evfd >= 0)	2335	if (evpipe [0] < 0)
1795	{	2336	{
1796	uint64_t counter;	2337	uint64_t counter;
1797	read (evfd, &counter, sizeof (uint64_t));	2338	read (evpipe [1], &counter, sizeof (uint64_t));
1798	}	2339	}
1799	else	2340	else
1800	#endif	2341	#endif
1801	{	2342	{
1802	char dummy;	2343	char dummy[4];
1803	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2344	#ifdef _WIN32
		2345	WSABUF buf;
		2346	DWORD recvd;
		2347	DWORD flags = 0;
		2348	buf.buf = dummy;
		2349	buf.len = sizeof (dummy);
		2350	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2351	#else
1804	read (evpipe [0], &dummy, 1);	2352	read (evpipe [0], &dummy, sizeof (dummy));
		2353	#endif
1805	}	2354	}
1806	}	2355	}
1807		2356
1808	pipe_write_skipped = 0;	2357	pipe_write_skipped = 0;
		2358
		2359	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1809		2360
1810	#if EV_SIGNAL_ENABLE	2361	#if EV_SIGNAL_ENABLE
1811	if (sig_pending)	2362	if (sig_pending)
1812	{	2363	{
1813	sig_pending = 0;	2364	sig_pending = 0;
		2365
		2366	ECB_MEMORY_FENCE;
1814		2367
1815	for (i = EV_NSIG - 1; i--; )	2368	for (i = EV_NSIG - 1; i--; )
1816	if (expect_false (signals [i].pending))	2369	if (expect_false (signals [i].pending))
1817	ev_feed_signal_event (EV_A_ i + 1);	2370	ev_feed_signal_event (EV_A_ i + 1);
1818	}	2371	}
…		…
1820		2373
1821	#if EV_ASYNC_ENABLE	2374	#if EV_ASYNC_ENABLE
1822	if (async_pending)	2375	if (async_pending)
1823	{	2376	{
1824	async_pending = 0;	2377	async_pending = 0;
		2378
		2379	ECB_MEMORY_FENCE;
1825		2380
1826	for (i = asynccnt; i--; )	2381	for (i = asynccnt; i--; )
1827	if (asyncs [i]->sent)	2382	if (asyncs [i]->sent)
1828	{	2383	{
1829	asyncs [i]->sent = 0;	2384	asyncs [i]->sent = 0;
		2385	ECB_MEMORY_FENCE_RELEASE;
1830	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2386	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1831	}	2387	}
1832	}	2388	}
1833	#endif	2389	#endif
1834	}	2390	}
1835		2391
1836	/*****************************************************************************/	2392	/*****************************************************************************/
1837		2393
1838	void	2394	void
1839	ev_feed_signal (int signum)	2395	ev_feed_signal (int signum) EV_THROW
1840	{	2396	{
1841	#if EV_MULTIPLICITY	2397	#if EV_MULTIPLICITY
		2398	EV_P;
		2399	ECB_MEMORY_FENCE_ACQUIRE;
1842	EV_P = signals [signum - 1].loop;	2400	EV_A = signals [signum - 1].loop;
1843		2401
1844	if (!EV_A)	2402	if (!EV_A)
1845	return;	2403	return;
1846	#endif	2404	#endif
1847		2405
1848	if (!ev_active (&pipe_w))
1849	return;
1850
1851	signals [signum - 1].pending = 1;	2406	signals [signum - 1].pending = 1;
1852	evpipe_write (EV_A_ &sig_pending);	2407	evpipe_write (EV_A_ &sig_pending);
1853	}	2408	}
1854		2409
1855	static void	2410	static void
…		…
1861		2416
1862	ev_feed_signal (signum);	2417	ev_feed_signal (signum);
1863	}	2418	}
1864		2419
1865	void noinline	2420	void noinline
1866	ev_feed_signal_event (EV_P_ int signum)	2421	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1867	{	2422	{
1868	WL w;	2423	WL w;
1869		2424
1870	if (expect_false (signum <= 0 || signum > EV_NSIG))	2425	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1871	return;	2426	return;
1872		2427
1873	--signum;	2428	--signum;
1874		2429
1875	#if EV_MULTIPLICITY	2430	#if EV_MULTIPLICITY
…		…
1879	if (expect_false (signals [signum].loop != EV_A))	2434	if (expect_false (signals [signum].loop != EV_A))
1880	return;	2435	return;
1881	#endif	2436	#endif
1882		2437
1883	signals [signum].pending = 0;	2438	signals [signum].pending = 0;
		2439	ECB_MEMORY_FENCE_RELEASE;
1884		2440
1885	for (w = signals [signum].head; w; w = w->next)	2441	for (w = signals [signum].head; w; w = w->next)
1886	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2442	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1887	}	2443	}
1888		2444
…		…
1987	#if EV_USE_SELECT	2543	#if EV_USE_SELECT
1988	# include "ev_select.c"	2544	# include "ev_select.c"
1989	#endif	2545	#endif
1990		2546
1991	int ecb_cold	2547	int ecb_cold
1992	ev_version_major (void)	2548	ev_version_major (void) EV_THROW
1993	{	2549	{
1994	return EV_VERSION_MAJOR;	2550	return EV_VERSION_MAJOR;
1995	}	2551	}
1996		2552
1997	int ecb_cold	2553	int ecb_cold
1998	ev_version_minor (void)	2554	ev_version_minor (void) EV_THROW
1999	{	2555	{
2000	return EV_VERSION_MINOR;	2556	return EV_VERSION_MINOR;
2001	}	2557	}
2002		2558
2003	/* return true if we are running with elevated privileges and should ignore env variables */	2559	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2011	|| getgid () != getegid ();	2567	|| getgid () != getegid ();
2012	#endif	2568	#endif
2013	}	2569	}
2014		2570
2015	unsigned int ecb_cold	2571	unsigned int ecb_cold
2016	ev_supported_backends (void)	2572	ev_supported_backends (void) EV_THROW
2017	{	2573	{
2018	unsigned int flags = 0;	2574	unsigned int flags = 0;
2019		2575
2020	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2576	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2021	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2577	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2025		2581
2026	return flags;	2582	return flags;
2027	}	2583	}
2028		2584
2029	unsigned int ecb_cold	2585	unsigned int ecb_cold
2030	ev_recommended_backends (void)	2586	ev_recommended_backends (void) EV_THROW
2031	{	2587	{
2032	unsigned int flags = ev_supported_backends ();	2588	unsigned int flags = ev_supported_backends ();
2033		2589
2034	#ifndef __NetBSD__	2590	#ifndef __NetBSD__
2035	/* kqueue is borked on everything but netbsd apparently */	2591	/* kqueue is borked on everything but netbsd apparently */
…		…
2047		2603
2048	return flags;	2604	return flags;
2049	}	2605	}
2050		2606
2051	unsigned int ecb_cold	2607	unsigned int ecb_cold
2052	ev_embeddable_backends (void)	2608	ev_embeddable_backends (void) EV_THROW
2053	{	2609	{
2054	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2610	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2055		2611
2056	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2612	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2057	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2613	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2059		2615
2060	return flags;	2616	return flags;
2061	}	2617	}
2062		2618
2063	unsigned int	2619	unsigned int
2064	ev_backend (EV_P)	2620	ev_backend (EV_P) EV_THROW
2065	{	2621	{
2066	return backend;	2622	return backend;
2067	}	2623	}
2068		2624
2069	#if EV_FEATURE_API	2625	#if EV_FEATURE_API
2070	unsigned int	2626	unsigned int
2071	ev_iteration (EV_P)	2627	ev_iteration (EV_P) EV_THROW
2072	{	2628	{
2073	return loop_count;	2629	return loop_count;
2074	}	2630	}
2075		2631
2076	unsigned int	2632	unsigned int
2077	ev_depth (EV_P)	2633	ev_depth (EV_P) EV_THROW
2078	{	2634	{
2079	return loop_depth;	2635	return loop_depth;
2080	}	2636	}
2081		2637
2082	void	2638	void
2083	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2639	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2084	{	2640	{
2085	io_blocktime = interval;	2641	io_blocktime = interval;
2086	}	2642	}
2087		2643
2088	void	2644	void
2089	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2645	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2090	{	2646	{
2091	timeout_blocktime = interval;	2647	timeout_blocktime = interval;
2092	}	2648	}
2093		2649
2094	void	2650	void
2095	ev_set_userdata (EV_P_ void *data)	2651	ev_set_userdata (EV_P_ void *data) EV_THROW
2096	{	2652	{
2097	userdata = data;	2653	userdata = data;
2098	}	2654	}
2099		2655
2100	void *	2656	void *
2101	ev_userdata (EV_P)	2657	ev_userdata (EV_P) EV_THROW
2102	{	2658	{
2103	return userdata;	2659	return userdata;
2104	}	2660	}
2105		2661
2106	void	2662	void
2107	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2663	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2108	{	2664	{
2109	invoke_cb = invoke_pending_cb;	2665	invoke_cb = invoke_pending_cb;
2110	}	2666	}
2111		2667
2112	void	2668	void
2113	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2669	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2114	{	2670	{
2115	release_cb = release;	2671	release_cb = release;
2116	acquire_cb = acquire;	2672	acquire_cb = acquire;
2117	}	2673	}
2118	#endif	2674	#endif
2119		2675
2120	/* initialise a loop structure, must be zero-initialised */	2676	/* initialise a loop structure, must be zero-initialised */
2121	static void noinline ecb_cold	2677	static void noinline ecb_cold
2122	loop_init (EV_P_ unsigned int flags)	2678	loop_init (EV_P_ unsigned int flags) EV_THROW
2123	{	2679	{
2124	if (!backend)	2680	if (!backend)
2125	{	2681	{
2126	origflags = flags;	2682	origflags = flags;
2127		2683
…		…
2172	#if EV_ASYNC_ENABLE	2728	#if EV_ASYNC_ENABLE
2173	async_pending = 0;	2729	async_pending = 0;
2174	#endif	2730	#endif
2175	pipe_write_skipped = 0;	2731	pipe_write_skipped = 0;
2176	pipe_write_wanted = 0;	2732	pipe_write_wanted = 0;
		2733	evpipe [0] = -1;
		2734	evpipe [1] = -1;
2177	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
2178	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2736	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2179	#endif	2737	#endif
2180	#if EV_USE_SIGNALFD	2738	#if EV_USE_SIGNALFD
2181	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2739	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2232	EV_INVOKE_PENDING;	2790	EV_INVOKE_PENDING;
2233	}	2791	}
2234	#endif	2792	#endif
2235		2793
2236	#if EV_CHILD_ENABLE	2794	#if EV_CHILD_ENABLE
2237	if (ev_is_active (&childev))	2795	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2238	{	2796	{
2239	ev_ref (EV_A); /* child watcher */	2797	ev_ref (EV_A); /* child watcher */
2240	ev_signal_stop (EV_A_ &childev);	2798	ev_signal_stop (EV_A_ &childev);
2241	}	2799	}
2242	#endif	2800	#endif
…		…
2244	if (ev_is_active (&pipe_w))	2802	if (ev_is_active (&pipe_w))
2245	{	2803	{
2246	/*ev_ref (EV_A);*/	2804	/*ev_ref (EV_A);*/
2247	/*ev_io_stop (EV_A_ &pipe_w);*/	2805	/*ev_io_stop (EV_A_ &pipe_w);*/
2248		2806
2249	#if EV_USE_EVENTFD
2250	if (evfd >= 0)
2251	close (evfd);
2252	#endif
2253
2254	if (evpipe [0] >= 0)
2255	{
2256	EV_WIN32_CLOSE_FD (evpipe [0]);	2807	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2257	EV_WIN32_CLOSE_FD (evpipe [1]);	2808	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2258	}
2259	}	2809	}
2260		2810
2261	#if EV_USE_SIGNALFD	2811	#if EV_USE_SIGNALFD
2262	if (ev_is_active (&sigfd_w))	2812	if (ev_is_active (&sigfd_w))
2263	close (sigfd);	2813	close (sigfd);
…		…
2349	#endif	2899	#endif
2350	#if EV_USE_INOTIFY	2900	#if EV_USE_INOTIFY
2351	infy_fork (EV_A);	2901	infy_fork (EV_A);
2352	#endif	2902	#endif
2353		2903
		2904	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2354	if (ev_is_active (&pipe_w))	2905	if (ev_is_active (&pipe_w))
2355	{	2906	{
2356	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2907	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2357		2908
2358	ev_ref (EV_A);	2909	ev_ref (EV_A);
2359	ev_io_stop (EV_A_ &pipe_w);	2910	ev_io_stop (EV_A_ &pipe_w);
2360		2911
2361	#if EV_USE_EVENTFD
2362	if (evfd >= 0)
2363	close (evfd);
2364	#endif
2365
2366	if (evpipe [0] >= 0)	2912	if (evpipe [0] >= 0)
2367	{
2368	EV_WIN32_CLOSE_FD (evpipe [0]);	2913	EV_WIN32_CLOSE_FD (evpipe [0]);
2369	EV_WIN32_CLOSE_FD (evpipe [1]);
2370	}
2371		2914
2372	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2373	evpipe_init (EV_A);	2915	evpipe_init (EV_A);
2374	/* now iterate over everything, in case we missed something */	2916	/* iterate over everything, in case we missed something before */
2375	pipecb (EV_A_ &pipe_w, EV_READ);	2917	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2376	#endif
2377	}	2918	}
		2919	#endif
2378		2920
2379	postfork = 0;	2921	postfork = 0;
2380	}	2922	}
2381		2923
2382	#if EV_MULTIPLICITY	2924	#if EV_MULTIPLICITY
2383		2925
2384	struct ev_loop * ecb_cold	2926	struct ev_loop * ecb_cold
2385	ev_loop_new (unsigned int flags)	2927	ev_loop_new (unsigned int flags) EV_THROW
2386	{	2928	{
2387	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2929	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2388		2930
2389	memset (EV_A, 0, sizeof (struct ev_loop));	2931	memset (EV_A, 0, sizeof (struct ev_loop));
2390	loop_init (EV_A_ flags);	2932	loop_init (EV_A_ flags);
…		…
2434	}	2976	}
2435	#endif	2977	#endif
2436		2978
2437	#if EV_FEATURE_API	2979	#if EV_FEATURE_API
2438	void ecb_cold	2980	void ecb_cold
2439	ev_verify (EV_P)	2981	ev_verify (EV_P) EV_THROW
2440	{	2982	{
2441	#if EV_VERIFY	2983	#if EV_VERIFY
2442	int i;	2984	int i;
2443	WL w;	2985	WL w, w2;
2444		2986
2445	assert (activecnt >= -1);	2987	assert (activecnt >= -1);
2446		2988
2447	assert (fdchangemax >= fdchangecnt);	2989	assert (fdchangemax >= fdchangecnt);
2448	for (i = 0; i < fdchangecnt; ++i)	2990	for (i = 0; i < fdchangecnt; ++i)
2449	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2991	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2450		2992
2451	assert (anfdmax >= 0);	2993	assert (anfdmax >= 0);
2452	for (i = 0; i < anfdmax; ++i)	2994	for (i = 0; i < anfdmax; ++i)
		2995	{
		2996	int j = 0;
		2997
2453	for (w = anfds [i].head; w; w = w->next)	2998	for (w = w2 = anfds [i].head; w; w = w->next)
2454	{	2999	{
2455	verify_watcher (EV_A_ (W)w);	3000	verify_watcher (EV_A_ (W)w);
		3001
		3002	if (j++ & 1)
		3003	{
		3004	assert (("libev: io watcher list contains a loop", w != w2));
		3005	w2 = w2->next;
		3006	}
		3007
2456	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	3008	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2457	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	3009	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2458	}	3010	}
		3011	}
2459		3012
2460	assert (timermax >= timercnt);	3013	assert (timermax >= timercnt);
2461	verify_heap (EV_A_ timers, timercnt);	3014	verify_heap (EV_A_ timers, timercnt);
2462		3015
2463	#if EV_PERIODIC_ENABLE	3016	#if EV_PERIODIC_ENABLE
…		…
2513	#if EV_MULTIPLICITY	3066	#if EV_MULTIPLICITY
2514	struct ev_loop * ecb_cold	3067	struct ev_loop * ecb_cold
2515	#else	3068	#else
2516	int	3069	int
2517	#endif	3070	#endif
2518	ev_default_loop (unsigned int flags)	3071	ev_default_loop (unsigned int flags) EV_THROW
2519	{	3072	{
2520	if (!ev_default_loop_ptr)	3073	if (!ev_default_loop_ptr)
2521	{	3074	{
2522	#if EV_MULTIPLICITY	3075	#if EV_MULTIPLICITY
2523	EV_P = ev_default_loop_ptr = &default_loop_struct;	3076	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2542		3095
2543	return ev_default_loop_ptr;	3096	return ev_default_loop_ptr;
2544	}	3097	}
2545		3098
2546	void	3099	void
2547	ev_loop_fork (EV_P)	3100	ev_loop_fork (EV_P) EV_THROW
2548	{	3101	{
2549	postfork = 1; /* must be in line with ev_default_fork */	3102	postfork = 1;
2550	}	3103	}
2551		3104
2552	/*****************************************************************************/	3105	/*****************************************************************************/
2553		3106
2554	void	3107	void
…		…
2556	{	3109	{
2557	EV_CB_INVOKE ((W)w, revents);	3110	EV_CB_INVOKE ((W)w, revents);
2558	}	3111	}
2559		3112
2560	unsigned int	3113	unsigned int
2561	ev_pending_count (EV_P)	3114	ev_pending_count (EV_P) EV_THROW
2562	{	3115	{
2563	int pri;	3116	int pri;
2564	unsigned int count = 0;	3117	unsigned int count = 0;
2565		3118
2566	for (pri = NUMPRI; pri--; )	3119	for (pri = NUMPRI; pri--; )
…		…
2570	}	3123	}
2571		3124
2572	void noinline	3125	void noinline
2573	ev_invoke_pending (EV_P)	3126	ev_invoke_pending (EV_P)
2574	{	3127	{
2575	int pri;	3128	pendingpri = NUMPRI;
2576		3129
2577	for (pri = NUMPRI; pri--; )	3130	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3131	{
		3132	--pendingpri;
		3133
2578	while (pendingcnt [pri])	3134	while (pendingcnt [pendingpri])
2579	{	3135	{
2580	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3136	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2581		3137
2582	p->w->pending = 0;	3138	p->w->pending = 0;
2583	EV_CB_INVOKE (p->w, p->events);	3139	EV_CB_INVOKE (p->w, p->events);
2584	EV_FREQUENT_CHECK;	3140	EV_FREQUENT_CHECK;
2585	}	3141	}
		3142	}
2586	}	3143	}
2587		3144
2588	#if EV_IDLE_ENABLE	3145	#if EV_IDLE_ENABLE
2589	/* make idle watchers pending. this handles the "call-idle */	3146	/* make idle watchers pending. this handles the "call-idle */
2590	/* only when higher priorities are idle" logic */	3147	/* only when higher priorities are idle" logic */
…		…
2680	{	3237	{
2681	EV_FREQUENT_CHECK;	3238	EV_FREQUENT_CHECK;
2682		3239
2683	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3240	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2684	{	3241	{
2685	int feed_count = 0;
2686
2687	do	3242	do
2688	{	3243	{
2689	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3244	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2690		3245
2691	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3246	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2825		3380
2826	mn_now = ev_rt_now;	3381	mn_now = ev_rt_now;
2827	}	3382	}
2828	}	3383	}
2829		3384
2830	void	3385	int
2831	ev_run (EV_P_ int flags)	3386	ev_run (EV_P_ int flags)
2832	{	3387	{
2833	#if EV_FEATURE_API	3388	#if EV_FEATURE_API
2834	++loop_depth;	3389	++loop_depth;
2835	#endif	3390	#endif
…		…
2948	#endif	3503	#endif
2949	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3504	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2950	backend_poll (EV_A_ waittime);	3505	backend_poll (EV_A_ waittime);
2951	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3506	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2952		3507
2953	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3508	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2954		3509
		3510	ECB_MEMORY_FENCE_ACQUIRE;
2955	if (pipe_write_skipped)	3511	if (pipe_write_skipped)
2956	{	3512	{
2957	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3513	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2958	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3514	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2959	}	3515	}
…		…
2992	loop_done = EVBREAK_CANCEL;	3548	loop_done = EVBREAK_CANCEL;
2993		3549
2994	#if EV_FEATURE_API	3550	#if EV_FEATURE_API
2995	--loop_depth;	3551	--loop_depth;
2996	#endif	3552	#endif
		3553
		3554	return activecnt;
2997	}	3555	}
2998		3556
2999	void	3557	void
3000	ev_break (EV_P_ int how)	3558	ev_break (EV_P_ int how) EV_THROW
3001	{	3559	{
3002	loop_done = how;	3560	loop_done = how;
3003	}	3561	}
3004		3562
3005	void	3563	void
3006	ev_ref (EV_P)	3564	ev_ref (EV_P) EV_THROW
3007	{	3565	{
3008	++activecnt;	3566	++activecnt;
3009	}	3567	}
3010		3568
3011	void	3569	void
3012	ev_unref (EV_P)	3570	ev_unref (EV_P) EV_THROW
3013	{	3571	{
3014	--activecnt;	3572	--activecnt;
3015	}	3573	}
3016		3574
3017	void	3575	void
3018	ev_now_update (EV_P)	3576	ev_now_update (EV_P) EV_THROW
3019	{	3577	{
3020	time_update (EV_A_ 1e100);	3578	time_update (EV_A_ 1e100);
3021	}	3579	}
3022		3580
3023	void	3581	void
3024	ev_suspend (EV_P)	3582	ev_suspend (EV_P) EV_THROW
3025	{	3583	{
3026	ev_now_update (EV_A);	3584	ev_now_update (EV_A);
3027	}	3585	}
3028		3586
3029	void	3587	void
3030	ev_resume (EV_P)	3588	ev_resume (EV_P) EV_THROW
3031	{	3589	{
3032	ev_tstamp mn_prev = mn_now;	3590	ev_tstamp mn_prev = mn_now;
3033		3591
3034	ev_now_update (EV_A);	3592	ev_now_update (EV_A);
3035	timers_reschedule (EV_A_ mn_now - mn_prev);	3593	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3074	w->pending = 0;	3632	w->pending = 0;
3075	}	3633	}
3076	}	3634	}
3077		3635
3078	int	3636	int
3079	ev_clear_pending (EV_P_ void *w)	3637	ev_clear_pending (EV_P_ void *w) EV_THROW
3080	{	3638	{
3081	W w_ = (W)w;	3639	W w_ = (W)w;
3082	int pending = w_->pending;	3640	int pending = w_->pending;
3083		3641
3084	if (expect_true (pending))	3642	if (expect_true (pending))
…		…
3117	}	3675	}
3118		3676
3119	/*****************************************************************************/	3677	/*****************************************************************************/
3120		3678
3121	void noinline	3679	void noinline
3122	ev_io_start (EV_P_ ev_io *w)	3680	ev_io_start (EV_P_ ev_io *w) EV_THROW
3123	{	3681	{
3124	int fd = w->fd;	3682	int fd = w->fd;
3125		3683
3126	if (expect_false (ev_is_active (w)))	3684	if (expect_false (ev_is_active (w)))
3127	return;	3685	return;
…		…
3133		3691
3134	ev_start (EV_A_ (W)w, 1);	3692	ev_start (EV_A_ (W)w, 1);
3135	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3693	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3136	wlist_add (&anfds[fd].head, (WL)w);	3694	wlist_add (&anfds[fd].head, (WL)w);
3137		3695
		3696	/* common bug, apparently */
		3697	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3698
3138	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3699	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3139	w->events &= ~EV__IOFDSET;	3700	w->events &= ~EV__IOFDSET;
3140		3701
3141	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
3142	}	3703	}
3143		3704
3144	void noinline	3705	void noinline
3145	ev_io_stop (EV_P_ ev_io *w)	3706	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3146	{	3707	{
3147	clear_pending (EV_A_ (W)w);	3708	clear_pending (EV_A_ (W)w);
3148	if (expect_false (!ev_is_active (w)))	3709	if (expect_false (!ev_is_active (w)))
3149	return;	3710	return;
3150		3711
…		…
3159		3720
3160	EV_FREQUENT_CHECK;	3721	EV_FREQUENT_CHECK;
3161	}	3722	}
3162		3723
3163	void noinline	3724	void noinline
3164	ev_timer_start (EV_P_ ev_timer *w)	3725	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3165	{	3726	{
3166	if (expect_false (ev_is_active (w)))	3727	if (expect_false (ev_is_active (w)))
3167	return;	3728	return;
3168		3729
3169	ev_at (w) += mn_now;	3730	ev_at (w) += mn_now;
…		…
3183		3744
3184	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3745	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3185	}	3746	}
3186		3747
3187	void noinline	3748	void noinline
3188	ev_timer_stop (EV_P_ ev_timer *w)	3749	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3189	{	3750	{
3190	clear_pending (EV_A_ (W)w);	3751	clear_pending (EV_A_ (W)w);
3191	if (expect_false (!ev_is_active (w)))	3752	if (expect_false (!ev_is_active (w)))
3192	return;	3753	return;
3193		3754
…		…
3213		3774
3214	EV_FREQUENT_CHECK;	3775	EV_FREQUENT_CHECK;
3215	}	3776	}
3216		3777
3217	void noinline	3778	void noinline
3218	ev_timer_again (EV_P_ ev_timer *w)	3779	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3219	{	3780	{
3220	EV_FREQUENT_CHECK;	3781	EV_FREQUENT_CHECK;
		3782
		3783	clear_pending (EV_A_ (W)w);
3221		3784
3222	if (ev_is_active (w))	3785	if (ev_is_active (w))
3223	{	3786	{
3224	if (w->repeat)	3787	if (w->repeat)
3225	{	3788	{
…		…
3238		3801
3239	EV_FREQUENT_CHECK;	3802	EV_FREQUENT_CHECK;
3240	}	3803	}
3241		3804
3242	ev_tstamp	3805	ev_tstamp
3243	ev_timer_remaining (EV_P_ ev_timer *w)	3806	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3244	{	3807	{
3245	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3808	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3246	}	3809	}
3247		3810
3248	#if EV_PERIODIC_ENABLE	3811	#if EV_PERIODIC_ENABLE
3249	void noinline	3812	void noinline
3250	ev_periodic_start (EV_P_ ev_periodic *w)	3813	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3251	{	3814	{
3252	if (expect_false (ev_is_active (w)))	3815	if (expect_false (ev_is_active (w)))
3253	return;	3816	return;
3254		3817
3255	if (w->reschedule_cb)	3818	if (w->reschedule_cb)
…		…
3275		3838
3276	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3839	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3277	}	3840	}
3278		3841
3279	void noinline	3842	void noinline
3280	ev_periodic_stop (EV_P_ ev_periodic *w)	3843	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3281	{	3844	{
3282	clear_pending (EV_A_ (W)w);	3845	clear_pending (EV_A_ (W)w);
3283	if (expect_false (!ev_is_active (w)))	3846	if (expect_false (!ev_is_active (w)))
3284	return;	3847	return;
3285		3848
…		…
3303		3866
3304	EV_FREQUENT_CHECK;	3867	EV_FREQUENT_CHECK;
3305	}	3868	}
3306		3869
3307	void noinline	3870	void noinline
3308	ev_periodic_again (EV_P_ ev_periodic *w)	3871	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3309	{	3872	{
3310	/* TODO: use adjustheap and recalculation */	3873	/* TODO: use adjustheap and recalculation */
3311	ev_periodic_stop (EV_A_ w);	3874	ev_periodic_stop (EV_A_ w);
3312	ev_periodic_start (EV_A_ w);	3875	ev_periodic_start (EV_A_ w);
3313	}	3876	}
…		…
3318	#endif	3881	#endif
3319		3882
3320	#if EV_SIGNAL_ENABLE	3883	#if EV_SIGNAL_ENABLE
3321		3884
3322	void noinline	3885	void noinline
3323	ev_signal_start (EV_P_ ev_signal *w)	3886	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3324	{	3887	{
3325	if (expect_false (ev_is_active (w)))	3888	if (expect_false (ev_is_active (w)))
3326	return;	3889	return;
3327		3890
3328	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3891	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3330	#if EV_MULTIPLICITY	3893	#if EV_MULTIPLICITY
3331	assert (("libev: a signal must not be attached to two different loops",	3894	assert (("libev: a signal must not be attached to two different loops",
3332	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3895	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3333		3896
3334	signals [w->signum - 1].loop = EV_A;	3897	signals [w->signum - 1].loop = EV_A;
		3898	ECB_MEMORY_FENCE_RELEASE;
3335	#endif	3899	#endif
3336		3900
3337	EV_FREQUENT_CHECK;	3901	EV_FREQUENT_CHECK;
3338		3902
3339	#if EV_USE_SIGNALFD	3903	#if EV_USE_SIGNALFD
…		…
3399		3963
3400	EV_FREQUENT_CHECK;	3964	EV_FREQUENT_CHECK;
3401	}	3965	}
3402		3966
3403	void noinline	3967	void noinline
3404	ev_signal_stop (EV_P_ ev_signal *w)	3968	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3405	{	3969	{
3406	clear_pending (EV_A_ (W)w);	3970	clear_pending (EV_A_ (W)w);
3407	if (expect_false (!ev_is_active (w)))	3971	if (expect_false (!ev_is_active (w)))
3408	return;	3972	return;
3409		3973
…		…
3440	#endif	4004	#endif
3441		4005
3442	#if EV_CHILD_ENABLE	4006	#if EV_CHILD_ENABLE
3443		4007
3444	void	4008	void
3445	ev_child_start (EV_P_ ev_child *w)	4009	ev_child_start (EV_P_ ev_child *w) EV_THROW
3446	{	4010	{
3447	#if EV_MULTIPLICITY	4011	#if EV_MULTIPLICITY
3448	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4012	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3449	#endif	4013	#endif
3450	if (expect_false (ev_is_active (w)))	4014	if (expect_false (ev_is_active (w)))
…		…
3457		4021
3458	EV_FREQUENT_CHECK;	4022	EV_FREQUENT_CHECK;
3459	}	4023	}
3460		4024
3461	void	4025	void
3462	ev_child_stop (EV_P_ ev_child *w)	4026	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3463	{	4027	{
3464	clear_pending (EV_A_ (W)w);	4028	clear_pending (EV_A_ (W)w);
3465	if (expect_false (!ev_is_active (w)))	4029	if (expect_false (!ev_is_active (w)))
3466	return;	4030	return;
3467		4031
…		…
3494	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4058	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3495		4059
3496	static void noinline	4060	static void noinline
3497	infy_add (EV_P_ ev_stat *w)	4061	infy_add (EV_P_ ev_stat *w)
3498	{	4062	{
3499	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);	4063	w->wd = inotify_add_watch (fs_fd, w->path,
		4064	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4065	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4066	| IN_DONT_FOLLOW | IN_MASK_ADD);
3500		4067
3501	if (w->wd >= 0)	4068	if (w->wd >= 0)
3502	{	4069	{
3503	struct statfs sfs;	4070	struct statfs sfs;
3504		4071
…		…
3508		4075
3509	if (!fs_2625)	4076	if (!fs_2625)
3510	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4077	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3511	else if (!statfs (w->path, &sfs)	4078	else if (!statfs (w->path, &sfs)
3512	&& (sfs.f_type == 0x1373 /* devfs */	4079	&& (sfs.f_type == 0x1373 /* devfs */
		4080	|| sfs.f_type == 0x4006 /* fat */
		4081	|| sfs.f_type == 0x4d44 /* msdos */
3513	|| sfs.f_type == 0xEF53 /* ext2/3 */	4082	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4083	|| sfs.f_type == 0x72b6 /* jffs2 */
		4084	|| sfs.f_type == 0x858458f6 /* ramfs */
		4085	|| sfs.f_type == 0x5346544e /* ntfs */
3514	|| sfs.f_type == 0x3153464a /* jfs */	4086	|| sfs.f_type == 0x3153464a /* jfs */
		4087	|| sfs.f_type == 0x9123683e /* btrfs */
3515	|| sfs.f_type == 0x52654973 /* reiser3 */	4088	|| sfs.f_type == 0x52654973 /* reiser3 */
3516	|| sfs.f_type == 0x01021994 /* tempfs */	4089	|| sfs.f_type == 0x01021994 /* tmpfs */
3517	|| sfs.f_type == 0x58465342 /* xfs */))	4090	|| sfs.f_type == 0x58465342 /* xfs */))
3518	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4091	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3519	else	4092	else
3520	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4093	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3521	}	4094	}
…		…
3634	}	4207	}
3635		4208
3636	inline_size int	4209	inline_size int
3637	infy_newfd (void)	4210	infy_newfd (void)
3638	{	4211	{
3639	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4212	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3640	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4213	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3641	if (fd >= 0)	4214	if (fd >= 0)
3642	return fd;	4215	return fd;
3643	#endif	4216	#endif
3644	return inotify_init ();	4217	return inotify_init ();
…		…
3719	#else	4292	#else
3720	# define EV_LSTAT(p,b) lstat (p, b)	4293	# define EV_LSTAT(p,b) lstat (p, b)
3721	#endif	4294	#endif
3722		4295
3723	void	4296	void
3724	ev_stat_stat (EV_P_ ev_stat *w)	4297	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3725	{	4298	{
3726	if (lstat (w->path, &w->attr) < 0)	4299	if (lstat (w->path, &w->attr) < 0)
3727	w->attr.st_nlink = 0;	4300	w->attr.st_nlink = 0;
3728	else if (!w->attr.st_nlink)	4301	else if (!w->attr.st_nlink)
3729	w->attr.st_nlink = 1;	4302	w->attr.st_nlink = 1;
…		…
3768	ev_feed_event (EV_A_ w, EV_STAT);	4341	ev_feed_event (EV_A_ w, EV_STAT);
3769	}	4342	}
3770	}	4343	}
3771		4344
3772	void	4345	void
3773	ev_stat_start (EV_P_ ev_stat *w)	4346	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3774	{	4347	{
3775	if (expect_false (ev_is_active (w)))	4348	if (expect_false (ev_is_active (w)))
3776	return;	4349	return;
3777		4350
3778	ev_stat_stat (EV_A_ w);	4351	ev_stat_stat (EV_A_ w);
…		…
3799		4372
3800	EV_FREQUENT_CHECK;	4373	EV_FREQUENT_CHECK;
3801	}	4374	}
3802		4375
3803	void	4376	void
3804	ev_stat_stop (EV_P_ ev_stat *w)	4377	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3805	{	4378	{
3806	clear_pending (EV_A_ (W)w);	4379	clear_pending (EV_A_ (W)w);
3807	if (expect_false (!ev_is_active (w)))	4380	if (expect_false (!ev_is_active (w)))
3808	return;	4381	return;
3809		4382
…		…
3825	}	4398	}
3826	#endif	4399	#endif
3827		4400
3828	#if EV_IDLE_ENABLE	4401	#if EV_IDLE_ENABLE
3829	void	4402	void
3830	ev_idle_start (EV_P_ ev_idle *w)	4403	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3831	{	4404	{
3832	if (expect_false (ev_is_active (w)))	4405	if (expect_false (ev_is_active (w)))
3833	return;	4406	return;
3834		4407
3835	pri_adjust (EV_A_ (W)w);	4408	pri_adjust (EV_A_ (W)w);
…		…
3848		4421
3849	EV_FREQUENT_CHECK;	4422	EV_FREQUENT_CHECK;
3850	}	4423	}
3851		4424
3852	void	4425	void
3853	ev_idle_stop (EV_P_ ev_idle *w)	4426	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3854	{	4427	{
3855	clear_pending (EV_A_ (W)w);	4428	clear_pending (EV_A_ (W)w);
3856	if (expect_false (!ev_is_active (w)))	4429	if (expect_false (!ev_is_active (w)))
3857	return;	4430	return;
3858		4431
…		…
3872	}	4445	}
3873	#endif	4446	#endif
3874		4447
3875	#if EV_PREPARE_ENABLE	4448	#if EV_PREPARE_ENABLE
3876	void	4449	void
3877	ev_prepare_start (EV_P_ ev_prepare *w)	4450	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3878	{	4451	{
3879	if (expect_false (ev_is_active (w)))	4452	if (expect_false (ev_is_active (w)))
3880	return;	4453	return;
3881		4454
3882	EV_FREQUENT_CHECK;	4455	EV_FREQUENT_CHECK;
…		…
3887		4460
3888	EV_FREQUENT_CHECK;	4461	EV_FREQUENT_CHECK;
3889	}	4462	}
3890		4463
3891	void	4464	void
3892	ev_prepare_stop (EV_P_ ev_prepare *w)	4465	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3893	{	4466	{
3894	clear_pending (EV_A_ (W)w);	4467	clear_pending (EV_A_ (W)w);
3895	if (expect_false (!ev_is_active (w)))	4468	if (expect_false (!ev_is_active (w)))
3896	return;	4469	return;
3897		4470
…		…
3910	}	4483	}
3911	#endif	4484	#endif
3912		4485
3913	#if EV_CHECK_ENABLE	4486	#if EV_CHECK_ENABLE
3914	void	4487	void
3915	ev_check_start (EV_P_ ev_check *w)	4488	ev_check_start (EV_P_ ev_check *w) EV_THROW
3916	{	4489	{
3917	if (expect_false (ev_is_active (w)))	4490	if (expect_false (ev_is_active (w)))
3918	return;	4491	return;
3919		4492
3920	EV_FREQUENT_CHECK;	4493	EV_FREQUENT_CHECK;
…		…
3925		4498
3926	EV_FREQUENT_CHECK;	4499	EV_FREQUENT_CHECK;
3927	}	4500	}
3928		4501
3929	void	4502	void
3930	ev_check_stop (EV_P_ ev_check *w)	4503	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3931	{	4504	{
3932	clear_pending (EV_A_ (W)w);	4505	clear_pending (EV_A_ (W)w);
3933	if (expect_false (!ev_is_active (w)))	4506	if (expect_false (!ev_is_active (w)))
3934	return;	4507	return;
3935		4508
…		…
3948	}	4521	}
3949	#endif	4522	#endif
3950		4523
3951	#if EV_EMBED_ENABLE	4524	#if EV_EMBED_ENABLE
3952	void noinline	4525	void noinline
3953	ev_embed_sweep (EV_P_ ev_embed *w)	4526	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3954	{	4527	{
3955	ev_run (w->other, EVRUN_NOWAIT);	4528	ev_run (w->other, EVRUN_NOWAIT);
3956	}	4529	}
3957		4530
3958	static void	4531	static void
…		…
4006	ev_idle_stop (EV_A_ idle);	4579	ev_idle_stop (EV_A_ idle);
4007	}	4580	}
4008	#endif	4581	#endif
4009		4582
4010	void	4583	void
4011	ev_embed_start (EV_P_ ev_embed *w)	4584	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4012	{	4585	{
4013	if (expect_false (ev_is_active (w)))	4586	if (expect_false (ev_is_active (w)))
4014	return;	4587	return;
4015		4588
4016	{	4589	{
…		…
4037		4610
4038	EV_FREQUENT_CHECK;	4611	EV_FREQUENT_CHECK;
4039	}	4612	}
4040		4613
4041	void	4614	void
4042	ev_embed_stop (EV_P_ ev_embed *w)	4615	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4043	{	4616	{
4044	clear_pending (EV_A_ (W)w);	4617	clear_pending (EV_A_ (W)w);
4045	if (expect_false (!ev_is_active (w)))	4618	if (expect_false (!ev_is_active (w)))
4046	return;	4619	return;
4047		4620
…		…
4057	}	4630	}
4058	#endif	4631	#endif
4059		4632
4060	#if EV_FORK_ENABLE	4633	#if EV_FORK_ENABLE
4061	void	4634	void
4062	ev_fork_start (EV_P_ ev_fork *w)	4635	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4063	{	4636	{
4064	if (expect_false (ev_is_active (w)))	4637	if (expect_false (ev_is_active (w)))
4065	return;	4638	return;
4066		4639
4067	EV_FREQUENT_CHECK;	4640	EV_FREQUENT_CHECK;
…		…
4072		4645
4073	EV_FREQUENT_CHECK;	4646	EV_FREQUENT_CHECK;
4074	}	4647	}
4075		4648
4076	void	4649	void
4077	ev_fork_stop (EV_P_ ev_fork *w)	4650	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4078	{	4651	{
4079	clear_pending (EV_A_ (W)w);	4652	clear_pending (EV_A_ (W)w);
4080	if (expect_false (!ev_is_active (w)))	4653	if (expect_false (!ev_is_active (w)))
4081	return;	4654	return;
4082		4655
…		…
4095	}	4668	}
4096	#endif	4669	#endif
4097		4670
4098	#if EV_CLEANUP_ENABLE	4671	#if EV_CLEANUP_ENABLE
4099	void	4672	void
4100	ev_cleanup_start (EV_P_ ev_cleanup *w)	4673	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4101	{	4674	{
4102	if (expect_false (ev_is_active (w)))	4675	if (expect_false (ev_is_active (w)))
4103	return;	4676	return;
4104		4677
4105	EV_FREQUENT_CHECK;	4678	EV_FREQUENT_CHECK;
…		…
4112	ev_unref (EV_A);	4685	ev_unref (EV_A);
4113	EV_FREQUENT_CHECK;	4686	EV_FREQUENT_CHECK;
4114	}	4687	}
4115		4688
4116	void	4689	void
4117	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4690	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4118	{	4691	{
4119	clear_pending (EV_A_ (W)w);	4692	clear_pending (EV_A_ (W)w);
4120	if (expect_false (!ev_is_active (w)))	4693	if (expect_false (!ev_is_active (w)))
4121	return;	4694	return;
4122		4695
…		…
4136	}	4709	}
4137	#endif	4710	#endif
4138		4711
4139	#if EV_ASYNC_ENABLE	4712	#if EV_ASYNC_ENABLE
4140	void	4713	void
4141	ev_async_start (EV_P_ ev_async *w)	4714	ev_async_start (EV_P_ ev_async *w) EV_THROW
4142	{	4715	{
4143	if (expect_false (ev_is_active (w)))	4716	if (expect_false (ev_is_active (w)))
4144	return;	4717	return;
4145		4718
4146	w->sent = 0;	4719	w->sent = 0;
…		…
4155		4728
4156	EV_FREQUENT_CHECK;	4729	EV_FREQUENT_CHECK;
4157	}	4730	}
4158		4731
4159	void	4732	void
4160	ev_async_stop (EV_P_ ev_async *w)	4733	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4161	{	4734	{
4162	clear_pending (EV_A_ (W)w);	4735	clear_pending (EV_A_ (W)w);
4163	if (expect_false (!ev_is_active (w)))	4736	if (expect_false (!ev_is_active (w)))
4164	return;	4737	return;
4165		4738
…		…
4176		4749
4177	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
4178	}	4751	}
4179		4752
4180	void	4753	void
4181	ev_async_send (EV_P_ ev_async *w)	4754	ev_async_send (EV_P_ ev_async *w) EV_THROW
4182	{	4755	{
4183	w->sent = 1;	4756	w->sent = 1;
4184	evpipe_write (EV_A_ &async_pending);	4757	evpipe_write (EV_A_ &async_pending);
4185	}	4758	}
4186	#endif	4759	#endif
…		…
4223		4796
4224	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4797	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4225	}	4798	}
4226		4799
4227	void	4800	void
4228	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4801	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4229	{	4802	{
4230	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4803	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4231		4804
4232	if (expect_false (!once))	4805	if (expect_false (!once))
4233	{	4806	{
…		…
4255		4828
4256	/*****************************************************************************/	4829	/*****************************************************************************/
4257		4830
4258	#if EV_WALK_ENABLE	4831	#if EV_WALK_ENABLE
4259	void ecb_cold	4832	void ecb_cold
4260	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4833	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4261	{	4834	{
4262	int i, j;	4835	int i, j;
4263	ev_watcher_list *wl, *wn;	4836	ev_watcher_list *wl, *wn;
4264		4837
4265	if (types & (EV_IO | EV_EMBED))	4838	if (types & (EV_IO | EV_EMBED))
…		…
4371		4944
4372	#if EV_MULTIPLICITY	4945	#if EV_MULTIPLICITY
4373	#include "ev_wrap.h"	4946	#include "ev_wrap.h"
4374	#endif	4947	#endif
4375		4948
4376	EV_CPP(})
4377

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