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Comparing libev/ev.c (file contents):
Revision 1.394 by root, Thu Aug 4 14:49:27 2011 UTC vs.
Revision 1.473 by root, Tue Sep 9 21:51:35 2014 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 (©) 2009-2014 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 0x00010003
502		538
503	#ifdef _WIN32	539	#ifdef _WIN32
504	typedef signed char int8_t;	540	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	541	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	542	typedef signed short int16_t;
…		…
512	typedef unsigned long long uint64_t;	548	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	549	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	550	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	551	typedef unsigned __int64 uint64_t;
516	#endif	552	#endif
		553	#ifdef _WIN64
		554	#define ECB_PTRSIZE 8
		555	typedef uint64_t uintptr_t;
		556	typedef int64_t intptr_t;
		557	#else
		558	#define ECB_PTRSIZE 4
		559	typedef uint32_t uintptr_t;
		560	typedef int32_t intptr_t;
		561	#endif
517	#else	562	#else
518	#include <inttypes.h>	563	#include <inttypes.h>
		564	#if UINTMAX_MAX > 0xffffffffU
		565	#define ECB_PTRSIZE 8
		566	#else
		567	#define ECB_PTRSIZE 4
		568	#endif
		569	#endif
		570
		571	/* work around x32 idiocy by defining proper macros */
		572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		573	#if _ILP32
		574	#define ECB_AMD64_X32 1
		575	#else
		576	#define ECB_AMD64 1
		577	#endif
519	#endif	578	#endif
520		579
521	/* many compilers define _GNUC_ to some versions but then only implement	580	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	581	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	582	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	583	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	584	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	585	* an issue with that they should have done it right in the first place.
527	*/	586	*/
528	#ifndef ECB_GCC_VERSION	587	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	588	#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	589	#define ECB_GCC_VERSION(major,minor) 0
531	#else	590	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	591	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	592	#endif
534	#endif	593	#endif
535		594
		595	#define ECB_CPP (__cplusplus+0)
		596	#define ECB_CPP11 (__cplusplus >= 201103L)
		597
		598	#if ECB_CPP
		599	#define ECB_C 0
		600	#define ECB_STDC_VERSION 0
		601	#else
		602	#define ECB_C 1
		603	#define ECB_STDC_VERSION __STDC_VERSION__
		604	#endif
		605
		606	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		607	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		608
		609	#if ECB_CPP
		610	#define ECB_EXTERN_C extern "C"
		611	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		612	#define ECB_EXTERN_C_END }
		613	#else
		614	#define ECB_EXTERN_C extern
		615	#define ECB_EXTERN_C_BEG
		616	#define ECB_EXTERN_C_END
		617	#endif
		618
536	/*****************************************************************************/	619	/*****************************************************************************/
537		620
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	621	/* 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 */	622	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		623
541	#if ECB_NO_THREADS || ECB_NO_SMP	624	#if ECB_NO_THREADS
		625	#define ECB_NO_SMP 1
		626	#endif
		627
		628	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	629	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	630	#endif
544		631
545	#ifndef ECB_MEMORY_FENCE	632	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __x86	634	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	644	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	647	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		650	#elif __aarch64__
		651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		652	#elif (__sparc || __sparc__) && !__sparcv8
		653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		656	#elif defined __s390__ || defined __s390x__
		657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		658	#elif defined __mips__
		659	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		660	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		662	#elif defined __alpha__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		664	#elif defined __hppa__
		665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		666	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		667	#elif defined __ia64__
		668	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		669	#elif defined __m68k__
		670	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		671	#elif defined __m88k__
		672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		673	#elif defined __sh__
		674	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
563	#endif	675	#endif
564	#endif	676	#endif
565	#endif	677	#endif
566		678
567	#ifndef ECB_MEMORY_FENCE	679	#ifndef ECB_MEMORY_FENCE
		680	#if ECB_GCC_VERSION(4,7)
		681	/* see comment below (stdatomic.h) about the C11 memory model. */
		682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		685
		686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		687	* without risking compile time errors with other compilers. We *could*
		688	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		689	* around this shit time and again.
		690	* #elif defined __clang && __has_feature (cxx_atomic)
		691	* // see comment below (stdatomic.h) about the C11 memory model.
		692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		695	*/
		696
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	698	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	699	#elif _MSC_VER >= 1500 /* VC++ 2008 */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		701	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		702	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		703	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		704	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	705	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	706	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	707	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	708	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	709	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	710	#elif defined _WIN32
578	#include <WinNT.h>	711	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	712	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		713	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		714	#include <mbarrier.h>
		715	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		716	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		717	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		718	#elif __xlC__
		719	#define ECB_MEMORY_FENCE __sync ()
		720	#endif
		721	#endif
		722
		723	#ifndef ECB_MEMORY_FENCE
		724	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		725	/* we assume that these memory fences work on all variables/all memory accesses, */
		726	/* not just C11 atomics and atomic accesses */
		727	#include <stdatomic.h>
		728	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		729	/* any fence other than seq_cst, which isn't very efficient for us. */
		730	/* Why that is, we don't know - either the C11 memory model is quite useless */
		731	/* for most usages, or gcc and clang have a bug */
		732	/* I *currently* lean towards the latter, and inefficiently implement */
		733	/* all three of ecb's fences as a seq_cst fence */
		734	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		735	/* for all __atomic_thread_fence's except seq_cst */
		736	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	737	#endif
581	#endif	738	#endif
582		739
583	#ifndef ECB_MEMORY_FENCE	740	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	741	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	753	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	754	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	755	#endif
599	#endif	756	#endif
600		757
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	758	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	759	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	760	#endif
604		761
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	762	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	764	#endif
608		765
609	/*****************************************************************************/	766	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		767
613	#if __cplusplus	768	#if __cplusplus
614	#define ecb_inline static inline	769	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	770	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	771	#define ecb_inline static __inline__
…		…
642	#define ecb_is_constant(expr) __builtin_constant_p (expr)	797	#define ecb_is_constant(expr) __builtin_constant_p (expr)
643	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	798	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
644	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	799	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
645	#else	800	#else
646	#define ecb_attribute(attrlist)	801	#define ecb_attribute(attrlist)
		802
		803	/* possible C11 impl for integral types
		804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		805	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		806
647	#define ecb_is_constant(expr) 0	807	#define ecb_is_constant(expr) 0
648	#define ecb_expect(expr,value) (expr)	808	#define ecb_expect(expr,value) (expr)
649	#define ecb_prefetch(addr,rw,locality)	809	#define ecb_prefetch(addr,rw,locality)
650	#endif	810	#endif
651		811
…		…
654	#define ecb_decltype(x) __decltype(x)	814	#define ecb_decltype(x) __decltype(x)
655	#elif ECB_GCC_VERSION(3,0)	815	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	816	#define ecb_decltype(x) __typeof(x)
657	#endif	817	#endif
658		818
		819	#if _MSC_VER >= 1300
		820	#define ecb_deprecated __declspec(deprecated)
		821	#else
		822	#define ecb_deprecated ecb_attribute ((__deprecated__))
		823	#endif
		824
659	#define ecb_noinline ecb_attribute ((__noinline__))	825	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	826	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	827	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	828	#define ecb_pure ecb_attribute ((__pure__))
		829
		830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
		831	#if ECB_C11
		832	#define ecb_noreturn _Noreturn
		833	#else
		834	#define ecb_noreturn ecb_attribute ((__noreturn__))
		835	#endif
664		836
665	#if ECB_GCC_VERSION(4,3)	837	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	838	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	839	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	840	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		931
760	return r + ecb_ld32 (x);	932	return r + ecb_ld32 (x);
761	}	933	}
762	#endif	934	#endif
763		935
		936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		937	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		938	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		939	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		940
		941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		943	{
		944	return ( (x * 0x0802U & 0x22110U)
		945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		946	}
		947
		948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		950	{
		951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		954	x = ( x >> 8 ) | ( x << 8);
		955
		956	return x;
		957	}
		958
		959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		961	{
		962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		966	x = ( x >> 16 ) | ( x << 16);
		967
		968	return x;
		969	}
		970
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	971	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	972	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	974	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	975	ecb_popcount64 (uint64_t x)
…		…
817		1024
818	#if ECB_GCC_VERSION(4,5)	1025	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	1026	#define ecb_unreachable() __builtin_unreachable ()
820	#else	1027	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	1028	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	1030	ecb_inline void ecb_unreachable (void) { }
824	#endif	1031	#endif
825		1032
826	/* try to tell the compiler that some condition is definitely true */	1033	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		1035
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	1037	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	1038	ecb_byteorder_helper (void)
832	{	1039	{
833	const uint32_t u = 0x11223344;	1040	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	1041	/* but less than using pointers, and always seems to */
		1042	/* successfully return a constant. */
		1043	/* the reason why we have this horrible preprocessor mess */
		1044	/* is to avoid it in all cases, at least on common architectures */
		1045	/* or when using a recent enough gcc version (>= 4.6) */
		1046	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		1047	return 0x44;
		1048	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1049	return 0x44;
		1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1051	return 0x11;
		1052	#else
		1053	union
		1054	{
		1055	uint32_t i;
		1056	uint8_t c;
		1057	} u = { 0x11223344 };
		1058	return u.c;
		1059	#endif
835	}	1060	}
836		1061
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1064	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1066
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1067	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1069	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1071	#endif
		1072
		1073	#if __cplusplus
		1074	template<typename T>
		1075	static inline T ecb_div_rd (T val, T div)
		1076	{
		1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1078	}
		1079	template<typename T>
		1080	static inline T ecb_div_ru (T val, T div)
		1081	{
		1082	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1083	}
		1084	#else
		1085	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1086	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1087	#endif
847		1088
848	#if ecb_cplusplus_does_not_suck	1089	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1090	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	1091	template<typename T, int N>
…		…
854	}	1095	}
855	#else	1096	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1098	#endif
858		1099
		1100	/*******************************************************************************/
		1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1102
		1103	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1105	#if 0 \
		1106	|| __i386 || __i386__ \
		1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1109	|| defined __s390__ || defined __s390x__ \
		1110	|| defined __mips__ \
		1111	|| defined __alpha__ \
		1112	|| defined __hppa__ \
		1113	|| defined __ia64__ \
		1114	|| defined __m68k__ \
		1115	|| defined __m88k__ \
		1116	|| defined __sh__ \
		1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1118	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1119	|| defined __aarch64__
		1120	#define ECB_STDFP 1
		1121	#include <string.h> /* for memcpy */
		1122	#else
		1123	#define ECB_STDFP 0
		1124	#endif
		1125
		1126	#ifndef ECB_NO_LIBM
		1127
		1128	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1129
		1130	/* only the oldest of old doesn't have this one. solaris. */
		1131	#ifdef INFINITY
		1132	#define ECB_INFINITY INFINITY
		1133	#else
		1134	#define ECB_INFINITY HUGE_VAL
		1135	#endif
		1136
		1137	#ifdef NAN
		1138	#define ECB_NAN NAN
		1139	#else
		1140	#define ECB_NAN ECB_INFINITY
		1141	#endif
		1142
		1143	/* converts an ieee half/binary16 to a float */
		1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1145	ecb_function_ float
		1146	ecb_binary16_to_float (uint16_t x)
		1147	{
		1148	int e = (x >> 10) & 0x1f;
		1149	int m = x & 0x3ff;
		1150	float r;
		1151
		1152	if (!e ) r = ldexpf (m , -24);
		1153	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1154	else if (m ) r = ECB_NAN;
		1155	else r = ECB_INFINITY;
		1156
		1157	return x & 0x8000 ? -r : r;
		1158	}
		1159
		1160	/* convert a float to ieee single/binary32 */
		1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1162	ecb_function_ uint32_t
		1163	ecb_float_to_binary32 (float x)
		1164	{
		1165	uint32_t r;
		1166
		1167	#if ECB_STDFP
		1168	memcpy (&r, &x, 4);
		1169	#else
		1170	/* slow emulation, works for anything but -0 */
		1171	uint32_t m;
		1172	int e;
		1173
		1174	if (x == 0e0f ) return 0x00000000U;
		1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1177	if (x != x ) return 0x7fbfffffU;
		1178
		1179	m = frexpf (x, &e) * 0x1000000U;
		1180
		1181	r = m & 0x80000000U;
		1182
		1183	if (r)
		1184	m = -m;
		1185
		1186	if (e <= -126)
		1187	{
		1188	m &= 0xffffffU;
		1189	m >>= (-125 - e);
		1190	e = -126;
		1191	}
		1192
		1193	r |= (e + 126) << 23;
		1194	r |= m & 0x7fffffU;
		1195	#endif
		1196
		1197	return r;
		1198	}
		1199
		1200	/* converts an ieee single/binary32 to a float */
		1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1202	ecb_function_ float
		1203	ecb_binary32_to_float (uint32_t x)
		1204	{
		1205	float r;
		1206
		1207	#if ECB_STDFP
		1208	memcpy (&r, &x, 4);
		1209	#else
		1210	/* emulation, only works for normals and subnormals and +0 */
		1211	int neg = x >> 31;
		1212	int e = (x >> 23) & 0xffU;
		1213
		1214	x &= 0x7fffffU;
		1215
		1216	if (e)
		1217	x |= 0x800000U;
		1218	else
		1219	e = 1;
		1220
		1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1223
		1224	r = neg ? -r : r;
		1225	#endif
		1226
		1227	return r;
		1228	}
		1229
		1230	/* convert a double to ieee double/binary64 */
		1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1232	ecb_function_ uint64_t
		1233	ecb_double_to_binary64 (double x)
		1234	{
		1235	uint64_t r;
		1236
		1237	#if ECB_STDFP
		1238	memcpy (&r, &x, 8);
		1239	#else
		1240	/* slow emulation, works for anything but -0 */
		1241	uint64_t m;
		1242	int e;
		1243
		1244	if (x == 0e0 ) return 0x0000000000000000U;
		1245	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1246	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1247	if (x != x ) return 0X7ff7ffffffffffffU;
		1248
		1249	m = frexp (x, &e) * 0x20000000000000U;
		1250
		1251	r = m & 0x8000000000000000;;
		1252
		1253	if (r)
		1254	m = -m;
		1255
		1256	if (e <= -1022)
		1257	{
		1258	m &= 0x1fffffffffffffU;
		1259	m >>= (-1021 - e);
		1260	e = -1022;
		1261	}
		1262
		1263	r |= ((uint64_t)(e + 1022)) << 52;
		1264	r |= m & 0xfffffffffffffU;
		1265	#endif
		1266
		1267	return r;
		1268	}
		1269
		1270	/* converts an ieee double/binary64 to a double */
		1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1272	ecb_function_ double
		1273	ecb_binary64_to_double (uint64_t x)
		1274	{
		1275	double r;
		1276
		1277	#if ECB_STDFP
		1278	memcpy (&r, &x, 8);
		1279	#else
		1280	/* emulation, only works for normals and subnormals and +0 */
		1281	int neg = x >> 63;
		1282	int e = (x >> 52) & 0x7ffU;
		1283
		1284	x &= 0xfffffffffffffU;
		1285
		1286	if (e)
		1287	x |= 0x10000000000000U;
		1288	else
		1289	e = 1;
		1290
		1291	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1292	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1293
		1294	r = neg ? -r : r;
		1295	#endif
		1296
		1297	return r;
		1298	}
		1299
		1300	#endif
		1301
859	#endif	1302	#endif
860		1303
861	/* ECB.H END */	1304	/* ECB.H END */
862		1305
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1306	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1307	/* if your architecture doesn't need memory fences, e.g. because it is
		1308	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1309	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1310	* libev, in which cases the memory fences become nops.
		1311	* alternatively, you can remove this #error and link against libpthread,
		1312	* which will then provide the memory fences.
		1313	*/
		1314	# error "memory fences not defined for your architecture, please report"
		1315	#endif
		1316
864	# undef ECB_MEMORY_FENCE	1317	#ifndef ECB_MEMORY_FENCE
865	# undef ECB_MEMORY_FENCE_ACQUIRE	1318	# define ECB_MEMORY_FENCE do { } while (0)
866	# undef ECB_MEMORY_FENCE_RELEASE	1319	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1320	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
867	#endif	1321	#endif
868		1322
869	#define expect_false(cond) ecb_expect_false (cond)	1323	#define expect_false(cond) ecb_expect_false (cond)
870	#define expect_true(cond) ecb_expect_true (cond)	1324	#define expect_true(cond) ecb_expect_true (cond)
871	#define noinline ecb_noinline	1325	#define noinline ecb_noinline
…		…
1018	{	1472	{
1019	write (STDERR_FILENO, msg, strlen (msg));	1473	write (STDERR_FILENO, msg, strlen (msg));
1020	}	1474	}
1021	#endif	1475	#endif
1022		1476
1023	static void (*syserr_cb)(const char *msg);	1477	static void (*syserr_cb)(const char *msg) EV_THROW;
1024		1478
1025	void ecb_cold	1479	void ecb_cold
1026	ev_set_syserr_cb (void (*cb)(const char *msg))	1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1027	{	1481	{
1028	syserr_cb = cb;	1482	syserr_cb = cb;
1029	}	1483	}
1030		1484
1031	static void noinline ecb_cold	1485	static void noinline ecb_cold
…		…
1049	abort ();	1503	abort ();
1050	}	1504	}
1051	}	1505	}
1052		1506
1053	static void *	1507	static void *
1054	ev_realloc_emul (void *ptr, long size)	1508	ev_realloc_emul (void *ptr, long size) EV_THROW
1055	{	1509	{
1056	#if __GLIBC__
1057	return realloc (ptr, size);
1058	#else
1059	/* some systems, notably openbsd and darwin, fail to properly	1510	/* some systems, notably openbsd and darwin, fail to properly
1060	* implement realloc (x, 0) (as required by both ansi c-89 and	1511	* implement realloc (x, 0) (as required by both ansi c-89 and
1061	* the single unix specification, so work around them here.	1512	* the single unix specification, so work around them here.
		1513	* recently, also (at least) fedora and debian started breaking it,
		1514	* despite documenting it otherwise.
1062	*/	1515	*/
1063		1516
1064	if (size)	1517	if (size)
1065	return realloc (ptr, size);	1518	return realloc (ptr, size);
1066		1519
1067	free (ptr);	1520	free (ptr);
1068	return 0;	1521	return 0;
1069	#endif
1070	}	1522	}
1071		1523
1072	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1073		1525
1074	void ecb_cold	1526	void ecb_cold
1075	ev_set_allocator (void *(*cb)(void *ptr, long size))	1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1076	{	1528	{
1077	alloc = cb;	1529	alloc = cb;
1078	}	1530	}
1079		1531
1080	inline_speed void *	1532	inline_speed void *
…		…
1168	#undef VAR	1620	#undef VAR
1169	};	1621	};
1170	#include "ev_wrap.h"	1622	#include "ev_wrap.h"
1171		1623
1172	static struct ev_loop default_loop_struct;	1624	static struct ev_loop default_loop_struct;
1173	struct ev_loop *ev_default_loop_ptr;	1625	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1174		1626
1175	#else	1627	#else
1176		1628
1177	ev_tstamp ev_rt_now;	1629	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1178	#define VAR(name,decl) static decl;	1630	#define VAR(name,decl) static decl;
1179	#include "ev_vars.h"	1631	#include "ev_vars.h"
1180	#undef VAR	1632	#undef VAR
1181		1633
1182	static int ev_default_loop_ptr;	1634	static int ev_default_loop_ptr;
…		…
1197		1649
1198	/*****************************************************************************/	1650	/*****************************************************************************/
1199		1651
1200	#ifndef EV_HAVE_EV_TIME	1652	#ifndef EV_HAVE_EV_TIME
1201	ev_tstamp	1653	ev_tstamp
1202	ev_time (void)	1654	ev_time (void) EV_THROW
1203	{	1655	{
1204	#if EV_USE_REALTIME	1656	#if EV_USE_REALTIME
1205	if (expect_true (have_realtime))	1657	if (expect_true (have_realtime))
1206	{	1658	{
1207	struct timespec ts;	1659	struct timespec ts;
…		…
1231	return ev_time ();	1683	return ev_time ();
1232	}	1684	}
1233		1685
1234	#if EV_MULTIPLICITY	1686	#if EV_MULTIPLICITY
1235	ev_tstamp	1687	ev_tstamp
1236	ev_now (EV_P)	1688	ev_now (EV_P) EV_THROW
1237	{	1689	{
1238	return ev_rt_now;	1690	return ev_rt_now;
1239	}	1691	}
1240	#endif	1692	#endif
1241		1693
1242	void	1694	void
1243	ev_sleep (ev_tstamp delay)	1695	ev_sleep (ev_tstamp delay) EV_THROW
1244	{	1696	{
1245	if (delay > 0.)	1697	if (delay > 0.)
1246	{	1698	{
1247	#if EV_USE_NANOSLEEP	1699	#if EV_USE_NANOSLEEP
1248	struct timespec ts;	1700	struct timespec ts;
1249		1701
1250	EV_TS_SET (ts, delay);	1702	EV_TS_SET (ts, delay);
1251	nanosleep (&ts, 0);	1703	nanosleep (&ts, 0);
1252	#elif defined(_WIN32)	1704	#elif defined _WIN32
1253	Sleep ((unsigned long)(delay * 1e3));	1705	Sleep ((unsigned long)(delay * 1e3));
1254	#else	1706	#else
1255	struct timeval tv;	1707	struct timeval tv;
1256		1708
1257	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1276		1728
1277	do	1729	do
1278	ncur <<= 1;	1730	ncur <<= 1;
1279	while (cnt > ncur);	1731	while (cnt > ncur);
1280		1732
1281	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1733	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1282	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1734	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1283	{	1735	{
1284	ncur *= elem;	1736	ncur *= elem;
1285	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1737	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1286	ncur = ncur - sizeof (void *) * 4;	1738	ncur = ncur - sizeof (void *) * 4;
…		…
1329	pendingcb (EV_P_ ev_prepare *w, int revents)	1781	pendingcb (EV_P_ ev_prepare *w, int revents)
1330	{	1782	{
1331	}	1783	}
1332		1784
1333	void noinline	1785	void noinline
1334	ev_feed_event (EV_P_ void *w, int revents)	1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1335	{	1787	{
1336	W w_ = (W)w;	1788	W w_ = (W)w;
1337	int pri = ABSPRI (w_);	1789	int pri = ABSPRI (w_);
1338		1790
1339	if (expect_false (w_->pending))	1791	if (expect_false (w_->pending))
…		…
1343	w_->pending = ++pendingcnt [pri];	1795	w_->pending = ++pendingcnt [pri];
1344	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1345	pendings [pri][w_->pending - 1].w = w_;	1797	pendings [pri][w_->pending - 1].w = w_;
1346	pendings [pri][w_->pending - 1].events = revents;	1798	pendings [pri][w_->pending - 1].events = revents;
1347	}	1799	}
		1800
		1801	pendingpri = NUMPRI - 1;
1348	}	1802	}
1349		1803
1350	inline_speed void	1804	inline_speed void
1351	feed_reverse (EV_P_ W w)	1805	feed_reverse (EV_P_ W w)
1352	{	1806	{
…		…
1398	if (expect_true (!anfd->reify))	1852	if (expect_true (!anfd->reify))
1399	fd_event_nocheck (EV_A_ fd, revents);	1853	fd_event_nocheck (EV_A_ fd, revents);
1400	}	1854	}
1401		1855
1402	void	1856	void
1403	ev_feed_fd_event (EV_P_ int fd, int revents)	1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1404	{	1858	{
1405	if (fd >= 0 && fd < anfdmax)	1859	if (fd >= 0 && fd < anfdmax)
1406	fd_event_nocheck (EV_A_ fd, revents);	1860	fd_event_nocheck (EV_A_ fd, revents);
1407	}	1861	}
1408		1862
…		…
1727	static void noinline ecb_cold	2181	static void noinline ecb_cold
1728	evpipe_init (EV_P)	2182	evpipe_init (EV_P)
1729	{	2183	{
1730	if (!ev_is_active (&pipe_w))	2184	if (!ev_is_active (&pipe_w))
1731	{	2185	{
		2186	int fds [2];
		2187
1732	# if EV_USE_EVENTFD	2188	# if EV_USE_EVENTFD
		2189	fds [0] = -1;
1733	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2190	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1734	if (evfd < 0 && errno == EINVAL)	2191	if (fds [1] < 0 && errno == EINVAL)
1735	evfd = eventfd (0, 0);	2192	fds [1] = eventfd (0, 0);
1736		2193
1737	if (evfd >= 0)	2194	if (fds [1] < 0)
		2195	# endif
1738	{	2196	{
		2197	while (pipe (fds))
		2198	ev_syserr ("(libev) error creating signal/async pipe");
		2199
		2200	fd_intern (fds [0]);
		2201	}
		2202
1739	evpipe [0] = -1;	2203	evpipe [0] = fds [0];
1740	fd_intern (evfd); /* doing it twice doesn't hurt */	2204
1741	ev_io_set (&pipe_w, evfd, EV_READ);	2205	if (evpipe [1] < 0)
		2206	evpipe [1] = fds [1]; /* first call, set write fd */
		2207	else
		2208	{
		2209	/* on subsequent calls, do not change evpipe [1] */
		2210	/* so that evpipe_write can always rely on its value. */
		2211	/* this branch does not do anything sensible on windows, */
		2212	/* so must not be executed on windows */
		2213
		2214	dup2 (fds [1], evpipe [1]);
		2215	close (fds [1]);
		2216	}
		2217
		2218	fd_intern (evpipe [1]);
		2219
		2220	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2221	ev_io_start (EV_A_ &pipe_w);
		2222	ev_unref (EV_A); /* watcher should not keep loop alive */
		2223	}
		2224	}
		2225
		2226	inline_speed void
		2227	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2228	{
		2229	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2230
		2231	if (expect_true (*flag))
		2232	return;
		2233
		2234	*flag = 1;
		2235	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2236
		2237	pipe_write_skipped = 1;
		2238
		2239	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2240
		2241	if (pipe_write_wanted)
		2242	{
		2243	int old_errno;
		2244
		2245	pipe_write_skipped = 0;
		2246	ECB_MEMORY_FENCE_RELEASE;
		2247
		2248	old_errno = errno; /* save errno because write will clobber it */
		2249
		2250	#if EV_USE_EVENTFD
		2251	if (evpipe [0] < 0)
		2252	{
		2253	uint64_t counter = 1;
		2254	write (evpipe [1], &counter, sizeof (uint64_t));
1742	}	2255	}
1743	else	2256	else
1744	# endif	2257	#endif
1745	{	2258	{
1746	while (pipe (evpipe))	2259	#ifdef _WIN32
1747	ev_syserr ("(libev) error creating signal/async pipe");	2260	WSABUF buf;
1748		2261	DWORD sent;
1749	fd_intern (evpipe [0]);	2262	buf.buf = &buf;
1750	fd_intern (evpipe [1]);	2263	buf.len = 1;
1751	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1752	}	2265	#else
1753
1754	ev_io_start (EV_A_ &pipe_w);
1755	ev_unref (EV_A); /* watcher should not keep loop alive */
1756	}
1757	}
1758
1759	inline_speed void
1760	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1761	{
1762	if (expect_true (*flag))
1763	return;
1764
1765	*flag = 1;
1766
1767	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1768
1769	pipe_write_skipped = 1;
1770
1771	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1772
1773	if (pipe_write_wanted)
1774	{
1775	int old_errno;
1776
1777	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1778
1779	old_errno = errno; /* save errno because write will clobber it */
1780
1781	#if EV_USE_EVENTFD
1782	if (evfd >= 0)
1783	{
1784	uint64_t counter = 1;
1785	write (evfd, &counter, sizeof (uint64_t));
1786	}
1787	else
1788	#endif
1789	{
1790	/* win32 people keep sending patches that change this write() to send() */
1791	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1792	/* so when you think this write should be a send instead, please find out */
1793	/* where your send() is from - it's definitely not the microsoft send, and */
1794	/* tell me. thank you. */
1795	write (evpipe [1], &(evpipe [1]), 1);	2266	write (evpipe [1], &(evpipe [1]), 1);
		2267	#endif
1796	}	2268	}
1797		2269
1798	errno = old_errno;	2270	errno = old_errno;
1799	}	2271	}
1800	}	2272	}
…		…
1807	int i;	2279	int i;
1808		2280
1809	if (revents & EV_READ)	2281	if (revents & EV_READ)
1810	{	2282	{
1811	#if EV_USE_EVENTFD	2283	#if EV_USE_EVENTFD
1812	if (evfd >= 0)	2284	if (evpipe [0] < 0)
1813	{	2285	{
1814	uint64_t counter;	2286	uint64_t counter;
1815	read (evfd, &counter, sizeof (uint64_t));	2287	read (evpipe [1], &counter, sizeof (uint64_t));
1816	}	2288	}
1817	else	2289	else
1818	#endif	2290	#endif
1819	{	2291	{
1820	char dummy;	2292	char dummy[4];
1821	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2293	#ifdef _WIN32
		2294	WSABUF buf;
		2295	DWORD recvd;
		2296	DWORD flags = 0;
		2297	buf.buf = dummy;
		2298	buf.len = sizeof (dummy);
		2299	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2300	#else
1822	read (evpipe [0], &dummy, 1);	2301	read (evpipe [0], &dummy, sizeof (dummy));
		2302	#endif
1823	}	2303	}
1824	}	2304	}
1825		2305
1826	pipe_write_skipped = 0;	2306	pipe_write_skipped = 0;
		2307
		2308	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1827		2309
1828	#if EV_SIGNAL_ENABLE	2310	#if EV_SIGNAL_ENABLE
1829	if (sig_pending)	2311	if (sig_pending)
1830	{	2312	{
1831	sig_pending = 0;	2313	sig_pending = 0;
		2314
		2315	ECB_MEMORY_FENCE;
1832		2316
1833	for (i = EV_NSIG - 1; i--; )	2317	for (i = EV_NSIG - 1; i--; )
1834	if (expect_false (signals [i].pending))	2318	if (expect_false (signals [i].pending))
1835	ev_feed_signal_event (EV_A_ i + 1);	2319	ev_feed_signal_event (EV_A_ i + 1);
1836	}	2320	}
…		…
1838		2322
1839	#if EV_ASYNC_ENABLE	2323	#if EV_ASYNC_ENABLE
1840	if (async_pending)	2324	if (async_pending)
1841	{	2325	{
1842	async_pending = 0;	2326	async_pending = 0;
		2327
		2328	ECB_MEMORY_FENCE;
1843		2329
1844	for (i = asynccnt; i--; )	2330	for (i = asynccnt; i--; )
1845	if (asyncs [i]->sent)	2331	if (asyncs [i]->sent)
1846	{	2332	{
1847	asyncs [i]->sent = 0;	2333	asyncs [i]->sent = 0;
		2334	ECB_MEMORY_FENCE_RELEASE;
1848	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2335	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1849	}	2336	}
1850	}	2337	}
1851	#endif	2338	#endif
1852	}	2339	}
1853		2340
1854	/*****************************************************************************/	2341	/*****************************************************************************/
1855		2342
1856	void	2343	void
1857	ev_feed_signal (int signum)	2344	ev_feed_signal (int signum) EV_THROW
1858	{	2345	{
1859	#if EV_MULTIPLICITY	2346	#if EV_MULTIPLICITY
		2347	EV_P;
		2348	ECB_MEMORY_FENCE_ACQUIRE;
1860	EV_P = signals [signum - 1].loop;	2349	EV_A = signals [signum - 1].loop;
1861		2350
1862	if (!EV_A)	2351	if (!EV_A)
1863	return;	2352	return;
1864	#endif	2353	#endif
1865		2354
1866	if (!ev_active (&pipe_w))
1867	return;
1868
1869	signals [signum - 1].pending = 1;	2355	signals [signum - 1].pending = 1;
1870	evpipe_write (EV_A_ &sig_pending);	2356	evpipe_write (EV_A_ &sig_pending);
1871	}	2357	}
1872		2358
1873	static void	2359	static void
…		…
1879		2365
1880	ev_feed_signal (signum);	2366	ev_feed_signal (signum);
1881	}	2367	}
1882		2368
1883	void noinline	2369	void noinline
1884	ev_feed_signal_event (EV_P_ int signum)	2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1885	{	2371	{
1886	WL w;	2372	WL w;
1887		2373
1888	if (expect_false (signum <= 0 || signum > EV_NSIG))	2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1889	return;	2375	return;
1890		2376
1891	--signum;	2377	--signum;
1892		2378
1893	#if EV_MULTIPLICITY	2379	#if EV_MULTIPLICITY
…		…
1897	if (expect_false (signals [signum].loop != EV_A))	2383	if (expect_false (signals [signum].loop != EV_A))
1898	return;	2384	return;
1899	#endif	2385	#endif
1900		2386
1901	signals [signum].pending = 0;	2387	signals [signum].pending = 0;
		2388	ECB_MEMORY_FENCE_RELEASE;
1902		2389
1903	for (w = signals [signum].head; w; w = w->next)	2390	for (w = signals [signum].head; w; w = w->next)
1904	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2391	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1905	}	2392	}
1906		2393
…		…
2005	#if EV_USE_SELECT	2492	#if EV_USE_SELECT
2006	# include "ev_select.c"	2493	# include "ev_select.c"
2007	#endif	2494	#endif
2008		2495
2009	int ecb_cold	2496	int ecb_cold
2010	ev_version_major (void)	2497	ev_version_major (void) EV_THROW
2011	{	2498	{
2012	return EV_VERSION_MAJOR;	2499	return EV_VERSION_MAJOR;
2013	}	2500	}
2014		2501
2015	int ecb_cold	2502	int ecb_cold
2016	ev_version_minor (void)	2503	ev_version_minor (void) EV_THROW
2017	{	2504	{
2018	return EV_VERSION_MINOR;	2505	return EV_VERSION_MINOR;
2019	}	2506	}
2020		2507
2021	/* return true if we are running with elevated privileges and should ignore env variables */	2508	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2029	|| getgid () != getegid ();	2516	|| getgid () != getegid ();
2030	#endif	2517	#endif
2031	}	2518	}
2032		2519
2033	unsigned int ecb_cold	2520	unsigned int ecb_cold
2034	ev_supported_backends (void)	2521	ev_supported_backends (void) EV_THROW
2035	{	2522	{
2036	unsigned int flags = 0;	2523	unsigned int flags = 0;
2037		2524
2038	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2039	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2043		2530
2044	return flags;	2531	return flags;
2045	}	2532	}
2046		2533
2047	unsigned int ecb_cold	2534	unsigned int ecb_cold
2048	ev_recommended_backends (void)	2535	ev_recommended_backends (void) EV_THROW
2049	{	2536	{
2050	unsigned int flags = ev_supported_backends ();	2537	unsigned int flags = ev_supported_backends ();
2051		2538
2052	#ifndef __NetBSD__	2539	#ifndef __NetBSD__
2053	/* kqueue is borked on everything but netbsd apparently */	2540	/* kqueue is borked on everything but netbsd apparently */
…		…
2065		2552
2066	return flags;	2553	return flags;
2067	}	2554	}
2068		2555
2069	unsigned int ecb_cold	2556	unsigned int ecb_cold
2070	ev_embeddable_backends (void)	2557	ev_embeddable_backends (void) EV_THROW
2071	{	2558	{
2072	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2073		2560
2074	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2075	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2562	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2077		2564
2078	return flags;	2565	return flags;
2079	}	2566	}
2080		2567
2081	unsigned int	2568	unsigned int
2082	ev_backend (EV_P)	2569	ev_backend (EV_P) EV_THROW
2083	{	2570	{
2084	return backend;	2571	return backend;
2085	}	2572	}
2086		2573
2087	#if EV_FEATURE_API	2574	#if EV_FEATURE_API
2088	unsigned int	2575	unsigned int
2089	ev_iteration (EV_P)	2576	ev_iteration (EV_P) EV_THROW
2090	{	2577	{
2091	return loop_count;	2578	return loop_count;
2092	}	2579	}
2093		2580
2094	unsigned int	2581	unsigned int
2095	ev_depth (EV_P)	2582	ev_depth (EV_P) EV_THROW
2096	{	2583	{
2097	return loop_depth;	2584	return loop_depth;
2098	}	2585	}
2099		2586
2100	void	2587	void
2101	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2102	{	2589	{
2103	io_blocktime = interval;	2590	io_blocktime = interval;
2104	}	2591	}
2105		2592
2106	void	2593	void
2107	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2108	{	2595	{
2109	timeout_blocktime = interval;	2596	timeout_blocktime = interval;
2110	}	2597	}
2111		2598
2112	void	2599	void
2113	ev_set_userdata (EV_P_ void *data)	2600	ev_set_userdata (EV_P_ void *data) EV_THROW
2114	{	2601	{
2115	userdata = data;	2602	userdata = data;
2116	}	2603	}
2117		2604
2118	void *	2605	void *
2119	ev_userdata (EV_P)	2606	ev_userdata (EV_P) EV_THROW
2120	{	2607	{
2121	return userdata;	2608	return userdata;
2122	}	2609	}
2123		2610
2124	void	2611	void
2125	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2126	{	2613	{
2127	invoke_cb = invoke_pending_cb;	2614	invoke_cb = invoke_pending_cb;
2128	}	2615	}
2129		2616
2130	void	2617	void
2131	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2618	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2132	{	2619	{
2133	release_cb = release;	2620	release_cb = release;
2134	acquire_cb = acquire;	2621	acquire_cb = acquire;
2135	}	2622	}
2136	#endif	2623	#endif
2137		2624
2138	/* initialise a loop structure, must be zero-initialised */	2625	/* initialise a loop structure, must be zero-initialised */
2139	static void noinline ecb_cold	2626	static void noinline ecb_cold
2140	loop_init (EV_P_ unsigned int flags)	2627	loop_init (EV_P_ unsigned int flags) EV_THROW
2141	{	2628	{
2142	if (!backend)	2629	if (!backend)
2143	{	2630	{
2144	origflags = flags;	2631	origflags = flags;
2145		2632
…		…
2190	#if EV_ASYNC_ENABLE	2677	#if EV_ASYNC_ENABLE
2191	async_pending = 0;	2678	async_pending = 0;
2192	#endif	2679	#endif
2193	pipe_write_skipped = 0;	2680	pipe_write_skipped = 0;
2194	pipe_write_wanted = 0;	2681	pipe_write_wanted = 0;
		2682	evpipe [0] = -1;
		2683	evpipe [1] = -1;
2195	#if EV_USE_INOTIFY	2684	#if EV_USE_INOTIFY
2196	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2685	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2197	#endif	2686	#endif
2198	#if EV_USE_SIGNALFD	2687	#if EV_USE_SIGNALFD
2199	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2688	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2250	EV_INVOKE_PENDING;	2739	EV_INVOKE_PENDING;
2251	}	2740	}
2252	#endif	2741	#endif
2253		2742
2254	#if EV_CHILD_ENABLE	2743	#if EV_CHILD_ENABLE
2255	if (ev_is_active (&childev))	2744	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2256	{	2745	{
2257	ev_ref (EV_A); /* child watcher */	2746	ev_ref (EV_A); /* child watcher */
2258	ev_signal_stop (EV_A_ &childev);	2747	ev_signal_stop (EV_A_ &childev);
2259	}	2748	}
2260	#endif	2749	#endif
…		…
2262	if (ev_is_active (&pipe_w))	2751	if (ev_is_active (&pipe_w))
2263	{	2752	{
2264	/*ev_ref (EV_A);*/	2753	/*ev_ref (EV_A);*/
2265	/*ev_io_stop (EV_A_ &pipe_w);*/	2754	/*ev_io_stop (EV_A_ &pipe_w);*/
2266		2755
2267	#if EV_USE_EVENTFD
2268	if (evfd >= 0)
2269	close (evfd);
2270	#endif
2271
2272	if (evpipe [0] >= 0)
2273	{
2274	EV_WIN32_CLOSE_FD (evpipe [0]);	2756	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2275	EV_WIN32_CLOSE_FD (evpipe [1]);	2757	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2276	}
2277	}	2758	}
2278		2759
2279	#if EV_USE_SIGNALFD	2760	#if EV_USE_SIGNALFD
2280	if (ev_is_active (&sigfd_w))	2761	if (ev_is_active (&sigfd_w))
2281	close (sigfd);	2762	close (sigfd);
…		…
2367	#endif	2848	#endif
2368	#if EV_USE_INOTIFY	2849	#if EV_USE_INOTIFY
2369	infy_fork (EV_A);	2850	infy_fork (EV_A);
2370	#endif	2851	#endif
2371		2852
		2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2372	if (ev_is_active (&pipe_w))	2854	if (ev_is_active (&pipe_w))
2373	{	2855	{
2374	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2375		2857
2376	ev_ref (EV_A);	2858	ev_ref (EV_A);
2377	ev_io_stop (EV_A_ &pipe_w);	2859	ev_io_stop (EV_A_ &pipe_w);
2378		2860
2379	#if EV_USE_EVENTFD
2380	if (evfd >= 0)
2381	close (evfd);
2382	#endif
2383
2384	if (evpipe [0] >= 0)	2861	if (evpipe [0] >= 0)
2385	{
2386	EV_WIN32_CLOSE_FD (evpipe [0]);	2862	EV_WIN32_CLOSE_FD (evpipe [0]);
2387	EV_WIN32_CLOSE_FD (evpipe [1]);
2388	}
2389		2863
2390	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2391	evpipe_init (EV_A);	2864	evpipe_init (EV_A);
2392	/* now iterate over everything, in case we missed something */	2865	/* iterate over everything, in case we missed something before */
2393	pipecb (EV_A_ &pipe_w, EV_READ);	2866	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2394	#endif
2395	}	2867	}
		2868	#endif
2396		2869
2397	postfork = 0;	2870	postfork = 0;
2398	}	2871	}
2399		2872
2400	#if EV_MULTIPLICITY	2873	#if EV_MULTIPLICITY
2401		2874
2402	struct ev_loop * ecb_cold	2875	struct ev_loop * ecb_cold
2403	ev_loop_new (unsigned int flags)	2876	ev_loop_new (unsigned int flags) EV_THROW
2404	{	2877	{
2405	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2406		2879
2407	memset (EV_A, 0, sizeof (struct ev_loop));	2880	memset (EV_A, 0, sizeof (struct ev_loop));
2408	loop_init (EV_A_ flags);	2881	loop_init (EV_A_ flags);
…		…
2452	}	2925	}
2453	#endif	2926	#endif
2454		2927
2455	#if EV_FEATURE_API	2928	#if EV_FEATURE_API
2456	void ecb_cold	2929	void ecb_cold
2457	ev_verify (EV_P)	2930	ev_verify (EV_P) EV_THROW
2458	{	2931	{
2459	#if EV_VERIFY	2932	#if EV_VERIFY
2460	int i;	2933	int i;
2461	WL w;	2934	WL w, w2;
2462		2935
2463	assert (activecnt >= -1);	2936	assert (activecnt >= -1);
2464		2937
2465	assert (fdchangemax >= fdchangecnt);	2938	assert (fdchangemax >= fdchangecnt);
2466	for (i = 0; i < fdchangecnt; ++i)	2939	for (i = 0; i < fdchangecnt; ++i)
2467	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2940	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2468		2941
2469	assert (anfdmax >= 0);	2942	assert (anfdmax >= 0);
2470	for (i = 0; i < anfdmax; ++i)	2943	for (i = 0; i < anfdmax; ++i)
		2944	{
		2945	int j = 0;
		2946
2471	for (w = anfds [i].head; w; w = w->next)	2947	for (w = w2 = anfds [i].head; w; w = w->next)
2472	{	2948	{
2473	verify_watcher (EV_A_ (W)w);	2949	verify_watcher (EV_A_ (W)w);
		2950
		2951	if (j++ & 1)
		2952	{
		2953	assert (("libev: io watcher list contains a loop", w != w2));
		2954	w2 = w2->next;
		2955	}
		2956
2474	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2957	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2475	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2958	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2476	}	2959	}
		2960	}
2477		2961
2478	assert (timermax >= timercnt);	2962	assert (timermax >= timercnt);
2479	verify_heap (EV_A_ timers, timercnt);	2963	verify_heap (EV_A_ timers, timercnt);
2480		2964
2481	#if EV_PERIODIC_ENABLE	2965	#if EV_PERIODIC_ENABLE
…		…
2531	#if EV_MULTIPLICITY	3015	#if EV_MULTIPLICITY
2532	struct ev_loop * ecb_cold	3016	struct ev_loop * ecb_cold
2533	#else	3017	#else
2534	int	3018	int
2535	#endif	3019	#endif
2536	ev_default_loop (unsigned int flags)	3020	ev_default_loop (unsigned int flags) EV_THROW
2537	{	3021	{
2538	if (!ev_default_loop_ptr)	3022	if (!ev_default_loop_ptr)
2539	{	3023	{
2540	#if EV_MULTIPLICITY	3024	#if EV_MULTIPLICITY
2541	EV_P = ev_default_loop_ptr = &default_loop_struct;	3025	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2560		3044
2561	return ev_default_loop_ptr;	3045	return ev_default_loop_ptr;
2562	}	3046	}
2563		3047
2564	void	3048	void
2565	ev_loop_fork (EV_P)	3049	ev_loop_fork (EV_P) EV_THROW
2566	{	3050	{
2567	postfork = 1; /* must be in line with ev_default_fork */	3051	postfork = 1;
2568	}	3052	}
2569		3053
2570	/*****************************************************************************/	3054	/*****************************************************************************/
2571		3055
2572	void	3056	void
…		…
2574	{	3058	{
2575	EV_CB_INVOKE ((W)w, revents);	3059	EV_CB_INVOKE ((W)w, revents);
2576	}	3060	}
2577		3061
2578	unsigned int	3062	unsigned int
2579	ev_pending_count (EV_P)	3063	ev_pending_count (EV_P) EV_THROW
2580	{	3064	{
2581	int pri;	3065	int pri;
2582	unsigned int count = 0;	3066	unsigned int count = 0;
2583		3067
2584	for (pri = NUMPRI; pri--; )	3068	for (pri = NUMPRI; pri--; )
…		…
2588	}	3072	}
2589		3073
2590	void noinline	3074	void noinline
2591	ev_invoke_pending (EV_P)	3075	ev_invoke_pending (EV_P)
2592	{	3076	{
2593	int pri;	3077	pendingpri = NUMPRI;
2594		3078
2595	for (pri = NUMPRI; pri--; )	3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3080	{
		3081	--pendingpri;
		3082
2596	while (pendingcnt [pri])	3083	while (pendingcnt [pendingpri])
2597	{	3084	{
2598	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2599		3086
2600	p->w->pending = 0;	3087	p->w->pending = 0;
2601	EV_CB_INVOKE (p->w, p->events);	3088	EV_CB_INVOKE (p->w, p->events);
2602	EV_FREQUENT_CHECK;	3089	EV_FREQUENT_CHECK;
2603	}	3090	}
		3091	}
2604	}	3092	}
2605		3093
2606	#if EV_IDLE_ENABLE	3094	#if EV_IDLE_ENABLE
2607	/* make idle watchers pending. this handles the "call-idle */	3095	/* make idle watchers pending. this handles the "call-idle */
2608	/* only when higher priorities are idle" logic */	3096	/* only when higher priorities are idle" logic */
…		…
2698	{	3186	{
2699	EV_FREQUENT_CHECK;	3187	EV_FREQUENT_CHECK;
2700		3188
2701	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3189	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2702	{	3190	{
2703	int feed_count = 0;
2704
2705	do	3191	do
2706	{	3192	{
2707	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3193	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2708		3194
2709	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3195	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2843		3329
2844	mn_now = ev_rt_now;	3330	mn_now = ev_rt_now;
2845	}	3331	}
2846	}	3332	}
2847		3333
2848	void	3334	int
2849	ev_run (EV_P_ int flags)	3335	ev_run (EV_P_ int flags)
2850	{	3336	{
2851	#if EV_FEATURE_API	3337	#if EV_FEATURE_API
2852	++loop_depth;	3338	++loop_depth;
2853	#endif	3339	#endif
…		…
2966	#endif	3452	#endif
2967	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3453	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2968	backend_poll (EV_A_ waittime);	3454	backend_poll (EV_A_ waittime);
2969	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3455	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970		3456
2971	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3457	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2972		3458
		3459	ECB_MEMORY_FENCE_ACQUIRE;
2973	if (pipe_write_skipped)	3460	if (pipe_write_skipped)
2974	{	3461	{
2975	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3462	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2976	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3463	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2977	}	3464	}
…		…
3010	loop_done = EVBREAK_CANCEL;	3497	loop_done = EVBREAK_CANCEL;
3011		3498
3012	#if EV_FEATURE_API	3499	#if EV_FEATURE_API
3013	--loop_depth;	3500	--loop_depth;
3014	#endif	3501	#endif
		3502
		3503	return activecnt;
3015	}	3504	}
3016		3505
3017	void	3506	void
3018	ev_break (EV_P_ int how)	3507	ev_break (EV_P_ int how) EV_THROW
3019	{	3508	{
3020	loop_done = how;	3509	loop_done = how;
3021	}	3510	}
3022		3511
3023	void	3512	void
3024	ev_ref (EV_P)	3513	ev_ref (EV_P) EV_THROW
3025	{	3514	{
3026	++activecnt;	3515	++activecnt;
3027	}	3516	}
3028		3517
3029	void	3518	void
3030	ev_unref (EV_P)	3519	ev_unref (EV_P) EV_THROW
3031	{	3520	{
3032	--activecnt;	3521	--activecnt;
3033	}	3522	}
3034		3523
3035	void	3524	void
3036	ev_now_update (EV_P)	3525	ev_now_update (EV_P) EV_THROW
3037	{	3526	{
3038	time_update (EV_A_ 1e100);	3527	time_update (EV_A_ 1e100);
3039	}	3528	}
3040		3529
3041	void	3530	void
3042	ev_suspend (EV_P)	3531	ev_suspend (EV_P) EV_THROW
3043	{	3532	{
3044	ev_now_update (EV_A);	3533	ev_now_update (EV_A);
3045	}	3534	}
3046		3535
3047	void	3536	void
3048	ev_resume (EV_P)	3537	ev_resume (EV_P) EV_THROW
3049	{	3538	{
3050	ev_tstamp mn_prev = mn_now;	3539	ev_tstamp mn_prev = mn_now;
3051		3540
3052	ev_now_update (EV_A);	3541	ev_now_update (EV_A);
3053	timers_reschedule (EV_A_ mn_now - mn_prev);	3542	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3092	w->pending = 0;	3581	w->pending = 0;
3093	}	3582	}
3094	}	3583	}
3095		3584
3096	int	3585	int
3097	ev_clear_pending (EV_P_ void *w)	3586	ev_clear_pending (EV_P_ void *w) EV_THROW
3098	{	3587	{
3099	W w_ = (W)w;	3588	W w_ = (W)w;
3100	int pending = w_->pending;	3589	int pending = w_->pending;
3101		3590
3102	if (expect_true (pending))	3591	if (expect_true (pending))
…		…
3135	}	3624	}
3136		3625
3137	/*****************************************************************************/	3626	/*****************************************************************************/
3138		3627
3139	void noinline	3628	void noinline
3140	ev_io_start (EV_P_ ev_io *w)	3629	ev_io_start (EV_P_ ev_io *w) EV_THROW
3141	{	3630	{
3142	int fd = w->fd;	3631	int fd = w->fd;
3143		3632
3144	if (expect_false (ev_is_active (w)))	3633	if (expect_false (ev_is_active (w)))
3145	return;	3634	return;
…		…
3151		3640
3152	ev_start (EV_A_ (W)w, 1);	3641	ev_start (EV_A_ (W)w, 1);
3153	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3154	wlist_add (&anfds[fd].head, (WL)w);	3643	wlist_add (&anfds[fd].head, (WL)w);
3155		3644
		3645	/* common bug, apparently */
		3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3647
3156	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3648	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3157	w->events &= ~EV__IOFDSET;	3649	w->events &= ~EV__IOFDSET;
3158		3650
3159	EV_FREQUENT_CHECK;	3651	EV_FREQUENT_CHECK;
3160	}	3652	}
3161		3653
3162	void noinline	3654	void noinline
3163	ev_io_stop (EV_P_ ev_io *w)	3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3164	{	3656	{
3165	clear_pending (EV_A_ (W)w);	3657	clear_pending (EV_A_ (W)w);
3166	if (expect_false (!ev_is_active (w)))	3658	if (expect_false (!ev_is_active (w)))
3167	return;	3659	return;
3168		3660
…		…
3177		3669
3178	EV_FREQUENT_CHECK;	3670	EV_FREQUENT_CHECK;
3179	}	3671	}
3180		3672
3181	void noinline	3673	void noinline
3182	ev_timer_start (EV_P_ ev_timer *w)	3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3183	{	3675	{
3184	if (expect_false (ev_is_active (w)))	3676	if (expect_false (ev_is_active (w)))
3185	return;	3677	return;
3186		3678
3187	ev_at (w) += mn_now;	3679	ev_at (w) += mn_now;
…		…
3201		3693
3202	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3203	}	3695	}
3204		3696
3205	void noinline	3697	void noinline
3206	ev_timer_stop (EV_P_ ev_timer *w)	3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3207	{	3699	{
3208	clear_pending (EV_A_ (W)w);	3700	clear_pending (EV_A_ (W)w);
3209	if (expect_false (!ev_is_active (w)))	3701	if (expect_false (!ev_is_active (w)))
3210	return;	3702	return;
3211		3703
…		…
3231		3723
3232	EV_FREQUENT_CHECK;	3724	EV_FREQUENT_CHECK;
3233	}	3725	}
3234		3726
3235	void noinline	3727	void noinline
3236	ev_timer_again (EV_P_ ev_timer *w)	3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3237	{	3729	{
3238	EV_FREQUENT_CHECK;	3730	EV_FREQUENT_CHECK;
		3731
		3732	clear_pending (EV_A_ (W)w);
3239		3733
3240	if (ev_is_active (w))	3734	if (ev_is_active (w))
3241	{	3735	{
3242	if (w->repeat)	3736	if (w->repeat)
3243	{	3737	{
…		…
3256		3750
3257	EV_FREQUENT_CHECK;	3751	EV_FREQUENT_CHECK;
3258	}	3752	}
3259		3753
3260	ev_tstamp	3754	ev_tstamp
3261	ev_timer_remaining (EV_P_ ev_timer *w)	3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3262	{	3756	{
3263	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3264	}	3758	}
3265		3759
3266	#if EV_PERIODIC_ENABLE	3760	#if EV_PERIODIC_ENABLE
3267	void noinline	3761	void noinline
3268	ev_periodic_start (EV_P_ ev_periodic *w)	3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3269	{	3763	{
3270	if (expect_false (ev_is_active (w)))	3764	if (expect_false (ev_is_active (w)))
3271	return;	3765	return;
3272		3766
3273	if (w->reschedule_cb)	3767	if (w->reschedule_cb)
…		…
3293		3787
3294	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3295	}	3789	}
3296		3790
3297	void noinline	3791	void noinline
3298	ev_periodic_stop (EV_P_ ev_periodic *w)	3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3299	{	3793	{
3300	clear_pending (EV_A_ (W)w);	3794	clear_pending (EV_A_ (W)w);
3301	if (expect_false (!ev_is_active (w)))	3795	if (expect_false (!ev_is_active (w)))
3302	return;	3796	return;
3303		3797
…		…
3321		3815
3322	EV_FREQUENT_CHECK;	3816	EV_FREQUENT_CHECK;
3323	}	3817	}
3324		3818
3325	void noinline	3819	void noinline
3326	ev_periodic_again (EV_P_ ev_periodic *w)	3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3327	{	3821	{
3328	/* TODO: use adjustheap and recalculation */	3822	/* TODO: use adjustheap and recalculation */
3329	ev_periodic_stop (EV_A_ w);	3823	ev_periodic_stop (EV_A_ w);
3330	ev_periodic_start (EV_A_ w);	3824	ev_periodic_start (EV_A_ w);
3331	}	3825	}
…		…
3336	#endif	3830	#endif
3337		3831
3338	#if EV_SIGNAL_ENABLE	3832	#if EV_SIGNAL_ENABLE
3339		3833
3340	void noinline	3834	void noinline
3341	ev_signal_start (EV_P_ ev_signal *w)	3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3342	{	3836	{
3343	if (expect_false (ev_is_active (w)))	3837	if (expect_false (ev_is_active (w)))
3344	return;	3838	return;
3345		3839
3346	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3348	#if EV_MULTIPLICITY	3842	#if EV_MULTIPLICITY
3349	assert (("libev: a signal must not be attached to two different loops",	3843	assert (("libev: a signal must not be attached to two different loops",
3350	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3844	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3351		3845
3352	signals [w->signum - 1].loop = EV_A;	3846	signals [w->signum - 1].loop = EV_A;
		3847	ECB_MEMORY_FENCE_RELEASE;
3353	#endif	3848	#endif
3354		3849
3355	EV_FREQUENT_CHECK;	3850	EV_FREQUENT_CHECK;
3356		3851
3357	#if EV_USE_SIGNALFD	3852	#if EV_USE_SIGNALFD
…		…
3417		3912
3418	EV_FREQUENT_CHECK;	3913	EV_FREQUENT_CHECK;
3419	}	3914	}
3420		3915
3421	void noinline	3916	void noinline
3422	ev_signal_stop (EV_P_ ev_signal *w)	3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3423	{	3918	{
3424	clear_pending (EV_A_ (W)w);	3919	clear_pending (EV_A_ (W)w);
3425	if (expect_false (!ev_is_active (w)))	3920	if (expect_false (!ev_is_active (w)))
3426	return;	3921	return;
3427		3922
…		…
3458	#endif	3953	#endif
3459		3954
3460	#if EV_CHILD_ENABLE	3955	#if EV_CHILD_ENABLE
3461		3956
3462	void	3957	void
3463	ev_child_start (EV_P_ ev_child *w)	3958	ev_child_start (EV_P_ ev_child *w) EV_THROW
3464	{	3959	{
3465	#if EV_MULTIPLICITY	3960	#if EV_MULTIPLICITY
3466	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3467	#endif	3962	#endif
3468	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
…		…
3475		3970
3476	EV_FREQUENT_CHECK;	3971	EV_FREQUENT_CHECK;
3477	}	3972	}
3478		3973
3479	void	3974	void
3480	ev_child_stop (EV_P_ ev_child *w)	3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3481	{	3976	{
3482	clear_pending (EV_A_ (W)w);	3977	clear_pending (EV_A_ (W)w);
3483	if (expect_false (!ev_is_active (w)))	3978	if (expect_false (!ev_is_active (w)))
3484	return;	3979	return;
3485		3980
…		…
3512	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4007	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3513		4008
3514	static void noinline	4009	static void noinline
3515	infy_add (EV_P_ ev_stat *w)	4010	infy_add (EV_P_ ev_stat *w)
3516	{	4011	{
3517	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);	4012	w->wd = inotify_add_watch (fs_fd, w->path,
		4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4015	| IN_DONT_FOLLOW | IN_MASK_ADD);
3518		4016
3519	if (w->wd >= 0)	4017	if (w->wd >= 0)
3520	{	4018	{
3521	struct statfs sfs;	4019	struct statfs sfs;
3522		4020
…		…
3526		4024
3527	if (!fs_2625)	4025	if (!fs_2625)
3528	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4026	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3529	else if (!statfs (w->path, &sfs)	4027	else if (!statfs (w->path, &sfs)
3530	&& (sfs.f_type == 0x1373 /* devfs */	4028	&& (sfs.f_type == 0x1373 /* devfs */
		4029	|| sfs.f_type == 0x4006 /* fat */
		4030	|| sfs.f_type == 0x4d44 /* msdos */
3531	|| sfs.f_type == 0xEF53 /* ext2/3 */	4031	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4032	|| sfs.f_type == 0x72b6 /* jffs2 */
		4033	|| sfs.f_type == 0x858458f6 /* ramfs */
		4034	|| sfs.f_type == 0x5346544e /* ntfs */
3532	|| sfs.f_type == 0x3153464a /* jfs */	4035	|| sfs.f_type == 0x3153464a /* jfs */
		4036	|| sfs.f_type == 0x9123683e /* btrfs */
3533	|| sfs.f_type == 0x52654973 /* reiser3 */	4037	|| sfs.f_type == 0x52654973 /* reiser3 */
3534	|| sfs.f_type == 0x01021994 /* tempfs */	4038	|| sfs.f_type == 0x01021994 /* tmpfs */
3535	|| sfs.f_type == 0x58465342 /* xfs */))	4039	|| sfs.f_type == 0x58465342 /* xfs */))
3536	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4040	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3537	else	4041	else
3538	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4042	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3539	}	4043	}
…		…
3652	}	4156	}
3653		4157
3654	inline_size int	4158	inline_size int
3655	infy_newfd (void)	4159	infy_newfd (void)
3656	{	4160	{
3657	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4161	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3658	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4162	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3659	if (fd >= 0)	4163	if (fd >= 0)
3660	return fd;	4164	return fd;
3661	#endif	4165	#endif
3662	return inotify_init ();	4166	return inotify_init ();
…		…
3737	#else	4241	#else
3738	# define EV_LSTAT(p,b) lstat (p, b)	4242	# define EV_LSTAT(p,b) lstat (p, b)
3739	#endif	4243	#endif
3740		4244
3741	void	4245	void
3742	ev_stat_stat (EV_P_ ev_stat *w)	4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3743	{	4247	{
3744	if (lstat (w->path, &w->attr) < 0)	4248	if (lstat (w->path, &w->attr) < 0)
3745	w->attr.st_nlink = 0;	4249	w->attr.st_nlink = 0;
3746	else if (!w->attr.st_nlink)	4250	else if (!w->attr.st_nlink)
3747	w->attr.st_nlink = 1;	4251	w->attr.st_nlink = 1;
…		…
3786	ev_feed_event (EV_A_ w, EV_STAT);	4290	ev_feed_event (EV_A_ w, EV_STAT);
3787	}	4291	}
3788	}	4292	}
3789		4293
3790	void	4294	void
3791	ev_stat_start (EV_P_ ev_stat *w)	4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3792	{	4296	{
3793	if (expect_false (ev_is_active (w)))	4297	if (expect_false (ev_is_active (w)))
3794	return;	4298	return;
3795		4299
3796	ev_stat_stat (EV_A_ w);	4300	ev_stat_stat (EV_A_ w);
…		…
3817		4321
3818	EV_FREQUENT_CHECK;	4322	EV_FREQUENT_CHECK;
3819	}	4323	}
3820		4324
3821	void	4325	void
3822	ev_stat_stop (EV_P_ ev_stat *w)	4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3823	{	4327	{
3824	clear_pending (EV_A_ (W)w);	4328	clear_pending (EV_A_ (W)w);
3825	if (expect_false (!ev_is_active (w)))	4329	if (expect_false (!ev_is_active (w)))
3826	return;	4330	return;
3827		4331
…		…
3843	}	4347	}
3844	#endif	4348	#endif
3845		4349
3846	#if EV_IDLE_ENABLE	4350	#if EV_IDLE_ENABLE
3847	void	4351	void
3848	ev_idle_start (EV_P_ ev_idle *w)	4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3849	{	4353	{
3850	if (expect_false (ev_is_active (w)))	4354	if (expect_false (ev_is_active (w)))
3851	return;	4355	return;
3852		4356
3853	pri_adjust (EV_A_ (W)w);	4357	pri_adjust (EV_A_ (W)w);
…		…
3866		4370
3867	EV_FREQUENT_CHECK;	4371	EV_FREQUENT_CHECK;
3868	}	4372	}
3869		4373
3870	void	4374	void
3871	ev_idle_stop (EV_P_ ev_idle *w)	4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3872	{	4376	{
3873	clear_pending (EV_A_ (W)w);	4377	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4378	if (expect_false (!ev_is_active (w)))
3875	return;	4379	return;
3876		4380
…		…
3890	}	4394	}
3891	#endif	4395	#endif
3892		4396
3893	#if EV_PREPARE_ENABLE	4397	#if EV_PREPARE_ENABLE
3894	void	4398	void
3895	ev_prepare_start (EV_P_ ev_prepare *w)	4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3896	{	4400	{
3897	if (expect_false (ev_is_active (w)))	4401	if (expect_false (ev_is_active (w)))
3898	return;	4402	return;
3899		4403
3900	EV_FREQUENT_CHECK;	4404	EV_FREQUENT_CHECK;
…		…
3905		4409
3906	EV_FREQUENT_CHECK;	4410	EV_FREQUENT_CHECK;
3907	}	4411	}
3908		4412
3909	void	4413	void
3910	ev_prepare_stop (EV_P_ ev_prepare *w)	4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3911	{	4415	{
3912	clear_pending (EV_A_ (W)w);	4416	clear_pending (EV_A_ (W)w);
3913	if (expect_false (!ev_is_active (w)))	4417	if (expect_false (!ev_is_active (w)))
3914	return;	4418	return;
3915		4419
…		…
3928	}	4432	}
3929	#endif	4433	#endif
3930		4434
3931	#if EV_CHECK_ENABLE	4435	#if EV_CHECK_ENABLE
3932	void	4436	void
3933	ev_check_start (EV_P_ ev_check *w)	4437	ev_check_start (EV_P_ ev_check *w) EV_THROW
3934	{	4438	{
3935	if (expect_false (ev_is_active (w)))	4439	if (expect_false (ev_is_active (w)))
3936	return;	4440	return;
3937		4441
3938	EV_FREQUENT_CHECK;	4442	EV_FREQUENT_CHECK;
…		…
3943		4447
3944	EV_FREQUENT_CHECK;	4448	EV_FREQUENT_CHECK;
3945	}	4449	}
3946		4450
3947	void	4451	void
3948	ev_check_stop (EV_P_ ev_check *w)	4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3949	{	4453	{
3950	clear_pending (EV_A_ (W)w);	4454	clear_pending (EV_A_ (W)w);
3951	if (expect_false (!ev_is_active (w)))	4455	if (expect_false (!ev_is_active (w)))
3952	return;	4456	return;
3953		4457
…		…
3966	}	4470	}
3967	#endif	4471	#endif
3968		4472
3969	#if EV_EMBED_ENABLE	4473	#if EV_EMBED_ENABLE
3970	void noinline	4474	void noinline
3971	ev_embed_sweep (EV_P_ ev_embed *w)	4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3972	{	4476	{
3973	ev_run (w->other, EVRUN_NOWAIT);	4477	ev_run (w->other, EVRUN_NOWAIT);
3974	}	4478	}
3975		4479
3976	static void	4480	static void
…		…
4024	ev_idle_stop (EV_A_ idle);	4528	ev_idle_stop (EV_A_ idle);
4025	}	4529	}
4026	#endif	4530	#endif
4027		4531
4028	void	4532	void
4029	ev_embed_start (EV_P_ ev_embed *w)	4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4030	{	4534	{
4031	if (expect_false (ev_is_active (w)))	4535	if (expect_false (ev_is_active (w)))
4032	return;	4536	return;
4033		4537
4034	{	4538	{
…		…
4055		4559
4056	EV_FREQUENT_CHECK;	4560	EV_FREQUENT_CHECK;
4057	}	4561	}
4058		4562
4059	void	4563	void
4060	ev_embed_stop (EV_P_ ev_embed *w)	4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4061	{	4565	{
4062	clear_pending (EV_A_ (W)w);	4566	clear_pending (EV_A_ (W)w);
4063	if (expect_false (!ev_is_active (w)))	4567	if (expect_false (!ev_is_active (w)))
4064	return;	4568	return;
4065		4569
…		…
4075	}	4579	}
4076	#endif	4580	#endif
4077		4581
4078	#if EV_FORK_ENABLE	4582	#if EV_FORK_ENABLE
4079	void	4583	void
4080	ev_fork_start (EV_P_ ev_fork *w)	4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4081	{	4585	{
4082	if (expect_false (ev_is_active (w)))	4586	if (expect_false (ev_is_active (w)))
4083	return;	4587	return;
4084		4588
4085	EV_FREQUENT_CHECK;	4589	EV_FREQUENT_CHECK;
…		…
4090		4594
4091	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4092	}	4596	}
4093		4597
4094	void	4598	void
4095	ev_fork_stop (EV_P_ ev_fork *w)	4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4096	{	4600	{
4097	clear_pending (EV_A_ (W)w);	4601	clear_pending (EV_A_ (W)w);
4098	if (expect_false (!ev_is_active (w)))	4602	if (expect_false (!ev_is_active (w)))
4099	return;	4603	return;
4100		4604
…		…
4113	}	4617	}
4114	#endif	4618	#endif
4115		4619
4116	#if EV_CLEANUP_ENABLE	4620	#if EV_CLEANUP_ENABLE
4117	void	4621	void
4118	ev_cleanup_start (EV_P_ ev_cleanup *w)	4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4119	{	4623	{
4120	if (expect_false (ev_is_active (w)))	4624	if (expect_false (ev_is_active (w)))
4121	return;	4625	return;
4122		4626
4123	EV_FREQUENT_CHECK;	4627	EV_FREQUENT_CHECK;
…		…
4130	ev_unref (EV_A);	4634	ev_unref (EV_A);
4131	EV_FREQUENT_CHECK;	4635	EV_FREQUENT_CHECK;
4132	}	4636	}
4133		4637
4134	void	4638	void
4135	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4136	{	4640	{
4137	clear_pending (EV_A_ (W)w);	4641	clear_pending (EV_A_ (W)w);
4138	if (expect_false (!ev_is_active (w)))	4642	if (expect_false (!ev_is_active (w)))
4139	return;	4643	return;
4140		4644
…		…
4154	}	4658	}
4155	#endif	4659	#endif
4156		4660
4157	#if EV_ASYNC_ENABLE	4661	#if EV_ASYNC_ENABLE
4158	void	4662	void
4159	ev_async_start (EV_P_ ev_async *w)	4663	ev_async_start (EV_P_ ev_async *w) EV_THROW
4160	{	4664	{
4161	if (expect_false (ev_is_active (w)))	4665	if (expect_false (ev_is_active (w)))
4162	return;	4666	return;
4163		4667
4164	w->sent = 0;	4668	w->sent = 0;
…		…
4173		4677
4174	EV_FREQUENT_CHECK;	4678	EV_FREQUENT_CHECK;
4175	}	4679	}
4176		4680
4177	void	4681	void
4178	ev_async_stop (EV_P_ ev_async *w)	4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4179	{	4683	{
4180	clear_pending (EV_A_ (W)w);	4684	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4685	if (expect_false (!ev_is_active (w)))
4182	return;	4686	return;
4183		4687
…		…
4194		4698
4195	EV_FREQUENT_CHECK;	4699	EV_FREQUENT_CHECK;
4196	}	4700	}
4197		4701
4198	void	4702	void
4199	ev_async_send (EV_P_ ev_async *w)	4703	ev_async_send (EV_P_ ev_async *w) EV_THROW
4200	{	4704	{
4201	w->sent = 1;	4705	w->sent = 1;
4202	evpipe_write (EV_A_ &async_pending);	4706	evpipe_write (EV_A_ &async_pending);
4203	}	4707	}
4204	#endif	4708	#endif
…		…
4241		4745
4242	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4243	}	4747	}
4244		4748
4245	void	4749	void
4246	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4247	{	4751	{
4248	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4249		4753
4250	if (expect_false (!once))	4754	if (expect_false (!once))
4251	{	4755	{
…		…
4273		4777
4274	/*****************************************************************************/	4778	/*****************************************************************************/
4275		4779
4276	#if EV_WALK_ENABLE	4780	#if EV_WALK_ENABLE
4277	void ecb_cold	4781	void ecb_cold
4278	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4279	{	4783	{
4280	int i, j;	4784	int i, j;
4281	ev_watcher_list *wl, *wn;	4785	ev_watcher_list *wl, *wn;
4282		4786
4283	if (types & (EV_IO | EV_EMBED))	4787	if (types & (EV_IO | EV_EMBED))
…		…
4389		4893
4390	#if EV_MULTIPLICITY	4894	#if EV_MULTIPLICITY
4391	#include "ev_wrap.h"	4895	#include "ev_wrap.h"
4392	#endif	4896	#endif
4393		4897
4394	EV_CPP(})
4395

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