ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.392 by root, Thu Aug 4 14:37:49 2011 UTC vs.
Revision 1.472 by root, Tue Sep 9 13:24:13 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	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545	#endif	630	#endif
546		631
547	#ifndef ECB_MEMORY_FENCE	632	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	634	#if __i386 || __i386__
550	#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")
551	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
556	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
557	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
558	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
559	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	644	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
560	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) \	645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
561	|| defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	647	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
562	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
563	#define ECB_MEMORY_FENCE \	649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
564	do { \	650	#elif __aarch64__
565	int null = 0; \	651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
566	__asm__ __volatile__ ("mcr p15,0,%0,c6,c10,5", : "=&r" (null) : : "memory"); \	652	#elif (__sparc || __sparc__) && !__sparcv8
567	while (0)	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")
568	#endif	675	#endif
569	#endif	676	#endif
570	#endif	677	#endif
571		678
572	#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
573	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
574	#define ECB_MEMORY_FENCE __sync_synchronize ()	698	#define ECB_MEMORY_FENCE __sync_synchronize ()
575	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	699	#elif _MSC_VER >= 1500 /* VC++ 2008 */
576	/*#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()
577	#elif _MSC_VER >= 1400 /* VC++ 2005 */	705	#elif _MSC_VER >= 1400 /* VC++ 2005 */
578	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	706	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
579	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	707	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
580	#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 */
581	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	709	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
582	#elif defined(_WIN32)	710	#elif defined _WIN32
583	#include <WinNT.h>	711	#include <WinNT.h>
584	#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)
585	#endif	737	#endif
586	#endif	738	#endif
587		739
588	#ifndef ECB_MEMORY_FENCE	740	#ifndef ECB_MEMORY_FENCE
589	#if !ECB_AVOID_PTHREADS	741	#if !ECB_AVOID_PTHREADS
…		…
601	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	753	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
602	#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)
603	#endif	755	#endif
604	#endif	756	#endif
605		757
606	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	758	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
607	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	759	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
608	#endif	760	#endif
609		761
610	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	762	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
611	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
612	#endif	764	#endif
613		765
614	/*****************************************************************************/	766	/*****************************************************************************/
615
616	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
617		767
618	#if __cplusplus	768	#if __cplusplus
619	#define ecb_inline static inline	769	#define ecb_inline static inline
620	#elif ECB_GCC_VERSION(2,5)	770	#elif ECB_GCC_VERSION(2,5)
621	#define ecb_inline static __inline__	771	#define ecb_inline static __inline__
…		…
647	#define ecb_is_constant(expr) __builtin_constant_p (expr)	797	#define ecb_is_constant(expr) __builtin_constant_p (expr)
648	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	798	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
649	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	799	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
650	#else	800	#else
651	#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
652	#define ecb_is_constant(expr) 0	807	#define ecb_is_constant(expr) 0
653	#define ecb_expect(expr,value) (expr)	808	#define ecb_expect(expr,value) (expr)
654	#define ecb_prefetch(addr,rw,locality)	809	#define ecb_prefetch(addr,rw,locality)
655	#endif	810	#endif
656		811
…		…
659	#define ecb_decltype(x) __decltype(x)	814	#define ecb_decltype(x) __decltype(x)
660	#elif ECB_GCC_VERSION(3,0)	815	#elif ECB_GCC_VERSION(3,0)
661	#define ecb_decltype(x) __typeof(x)	816	#define ecb_decltype(x) __typeof(x)
662	#endif	817	#endif
663		818
		819	#if _MSC_VER >= 1300
		820	#define ecb_deprecated __declspec(deprecated)
		821	#else
		822	#define ecb_deprecated ecb_attribute ((__deprecated__))
		823	#endif
		824
664	#define ecb_noinline ecb_attribute ((__noinline__))	825	#define ecb_noinline ecb_attribute ((__noinline__))
665	#define ecb_noreturn ecb_attribute ((__noreturn__))
666	#define ecb_unused ecb_attribute ((__unused__))	826	#define ecb_unused ecb_attribute ((__unused__))
667	#define ecb_const ecb_attribute ((__const__))	827	#define ecb_const ecb_attribute ((__const__))
668	#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
669		836
670	#if ECB_GCC_VERSION(4,3)	837	#if ECB_GCC_VERSION(4,3)
671	#define ecb_artificial ecb_attribute ((__artificial__))	838	#define ecb_artificial ecb_attribute ((__artificial__))
672	#define ecb_hot ecb_attribute ((__hot__))	839	#define ecb_hot ecb_attribute ((__hot__))
673	#define ecb_cold ecb_attribute ((__cold__))	840	#define ecb_cold ecb_attribute ((__cold__))
…		…
764		931
765	return r + ecb_ld32 (x);	932	return r + ecb_ld32 (x);
766	}	933	}
767	#endif	934	#endif
768		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
769	/* popcount64 is only available on 64 bit cpus as gcc builtin */	971	/* popcount64 is only available on 64 bit cpus as gcc builtin */
770	/* so for this version we are lazy */	972	/* so for this version we are lazy */
771	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
772	ecb_function_ int	974	ecb_function_ int
773	ecb_popcount64 (uint64_t x)	975	ecb_popcount64 (uint64_t x)
…		…
822		1024
823	#if ECB_GCC_VERSION(4,5)	1025	#if ECB_GCC_VERSION(4,5)
824	#define ecb_unreachable() __builtin_unreachable ()	1026	#define ecb_unreachable() __builtin_unreachable ()
825	#else	1027	#else
826	/* 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 :/ */
827	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;
828	ecb_function_ void ecb_unreachable (void) { }	1030	ecb_inline void ecb_unreachable (void) { }
829	#endif	1031	#endif
830		1032
831	/* try to tell the compiler that some condition is definitely true */	1033	/* try to tell the compiler that some condition is definitely true */
832	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
833		1035
834	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
835	ecb_function_ unsigned char	1037	ecb_inline unsigned char
836	ecb_byteorder_helper (void)	1038	ecb_byteorder_helper (void)
837	{	1039	{
838	const uint32_t u = 0x11223344;	1040	/* the union code still generates code under pressure in gcc, */
839	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
840	}	1060	}
841		1061
842	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
843	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; }
844	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1064	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
845	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; }
846		1066
847	#if ECB_GCC_VERSION(3,0) || ECB_C99	1067	#if ECB_GCC_VERSION(3,0) || ECB_C99
848	#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))
849	#else	1069	#else
850	#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))
851	#endif	1087	#endif
852		1088
853	#if ecb_cplusplus_does_not_suck	1089	#if ecb_cplusplus_does_not_suck
854	/* 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) */
855	template<typename T, int N>	1091	template<typename T, int N>
…		…
859	}	1095	}
860	#else	1096	#else
861	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
862	#endif	1098	#endif
863		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
864	#endif	1302	#endif
865		1303
866	/* ECB.H END */	1304	/* ECB.H END */
867		1305
868	#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
869	# undef ECB_MEMORY_FENCE	1317	#ifndef ECB_MEMORY_FENCE
870	# undef ECB_MEMORY_FENCE_ACQUIRE	1318	# define ECB_MEMORY_FENCE do { } while (0)
871	# undef ECB_MEMORY_FENCE_RELEASE	1319	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1320	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
872	#endif	1321	#endif
873		1322
874	#define expect_false(cond) ecb_expect_false (cond)	1323	#define expect_false(cond) ecb_expect_false (cond)
875	#define expect_true(cond) ecb_expect_true (cond)	1324	#define expect_true(cond) ecb_expect_true (cond)
876	#define noinline ecb_noinline	1325	#define noinline ecb_noinline
…		…
1023	{	1472	{
1024	write (STDERR_FILENO, msg, strlen (msg));	1473	write (STDERR_FILENO, msg, strlen (msg));
1025	}	1474	}
1026	#endif	1475	#endif
1027		1476
1028	static void (*syserr_cb)(const char *msg);	1477	static void (*syserr_cb)(const char *msg) EV_THROW;
1029		1478
1030	void ecb_cold	1479	void ecb_cold
1031	ev_set_syserr_cb (void (*cb)(const char *msg))	1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1032	{	1481	{
1033	syserr_cb = cb;	1482	syserr_cb = cb;
1034	}	1483	}
1035		1484
1036	static void noinline ecb_cold	1485	static void noinline ecb_cold
…		…
1054	abort ();	1503	abort ();
1055	}	1504	}
1056	}	1505	}
1057		1506
1058	static void *	1507	static void *
1059	ev_realloc_emul (void *ptr, long size)	1508	ev_realloc_emul (void *ptr, long size) EV_THROW
1060	{	1509	{
1061	#if __GLIBC__
1062	return realloc (ptr, size);
1063	#else
1064	/* some systems, notably openbsd and darwin, fail to properly	1510	/* some systems, notably openbsd and darwin, fail to properly
1065	* 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
1066	* 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.
1067	*/	1515	*/
1068		1516
1069	if (size)	1517	if (size)
1070	return realloc (ptr, size);	1518	return realloc (ptr, size);
1071		1519
1072	free (ptr);	1520	free (ptr);
1073	return 0;	1521	return 0;
1074	#endif
1075	}	1522	}
1076		1523
1077	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1078		1525
1079	void ecb_cold	1526	void ecb_cold
1080	ev_set_allocator (void *(*cb)(void *ptr, long size))	1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1081	{	1528	{
1082	alloc = cb;	1529	alloc = cb;
1083	}	1530	}
1084		1531
1085	inline_speed void *	1532	inline_speed void *
…		…
1173	#undef VAR	1620	#undef VAR
1174	};	1621	};
1175	#include "ev_wrap.h"	1622	#include "ev_wrap.h"
1176		1623
1177	static struct ev_loop default_loop_struct;	1624	static struct ev_loop default_loop_struct;
1178	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 */
1179		1626
1180	#else	1627	#else
1181		1628
1182	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 */
1183	#define VAR(name,decl) static decl;	1630	#define VAR(name,decl) static decl;
1184	#include "ev_vars.h"	1631	#include "ev_vars.h"
1185	#undef VAR	1632	#undef VAR
1186		1633
1187	static int ev_default_loop_ptr;	1634	static int ev_default_loop_ptr;
…		…
1202		1649
1203	/*****************************************************************************/	1650	/*****************************************************************************/
1204		1651
1205	#ifndef EV_HAVE_EV_TIME	1652	#ifndef EV_HAVE_EV_TIME
1206	ev_tstamp	1653	ev_tstamp
1207	ev_time (void)	1654	ev_time (void) EV_THROW
1208	{	1655	{
1209	#if EV_USE_REALTIME	1656	#if EV_USE_REALTIME
1210	if (expect_true (have_realtime))	1657	if (expect_true (have_realtime))
1211	{	1658	{
1212	struct timespec ts;	1659	struct timespec ts;
…		…
1236	return ev_time ();	1683	return ev_time ();
1237	}	1684	}
1238		1685
1239	#if EV_MULTIPLICITY	1686	#if EV_MULTIPLICITY
1240	ev_tstamp	1687	ev_tstamp
1241	ev_now (EV_P)	1688	ev_now (EV_P) EV_THROW
1242	{	1689	{
1243	return ev_rt_now;	1690	return ev_rt_now;
1244	}	1691	}
1245	#endif	1692	#endif
1246		1693
1247	void	1694	void
1248	ev_sleep (ev_tstamp delay)	1695	ev_sleep (ev_tstamp delay) EV_THROW
1249	{	1696	{
1250	if (delay > 0.)	1697	if (delay > 0.)
1251	{	1698	{
1252	#if EV_USE_NANOSLEEP	1699	#if EV_USE_NANOSLEEP
1253	struct timespec ts;	1700	struct timespec ts;
1254		1701
1255	EV_TS_SET (ts, delay);	1702	EV_TS_SET (ts, delay);
1256	nanosleep (&ts, 0);	1703	nanosleep (&ts, 0);
1257	#elif defined(_WIN32)	1704	#elif defined _WIN32
1258	Sleep ((unsigned long)(delay * 1e3));	1705	Sleep ((unsigned long)(delay * 1e3));
1259	#else	1706	#else
1260	struct timeval tv;	1707	struct timeval tv;
1261		1708
1262	/* 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 */
…		…
1281		1728
1282	do	1729	do
1283	ncur <<= 1;	1730	ncur <<= 1;
1284	while (cnt > ncur);	1731	while (cnt > ncur);
1285		1732
1286	/* 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 */
1287	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1734	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1288	{	1735	{
1289	ncur *= elem;	1736	ncur *= elem;
1290	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);
1291	ncur = ncur - sizeof (void *) * 4;	1738	ncur = ncur - sizeof (void *) * 4;
…		…
1334	pendingcb (EV_P_ ev_prepare *w, int revents)	1781	pendingcb (EV_P_ ev_prepare *w, int revents)
1335	{	1782	{
1336	}	1783	}
1337		1784
1338	void noinline	1785	void noinline
1339	ev_feed_event (EV_P_ void *w, int revents)	1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1340	{	1787	{
1341	W w_ = (W)w;	1788	W w_ = (W)w;
1342	int pri = ABSPRI (w_);	1789	int pri = ABSPRI (w_);
1343		1790
1344	if (expect_false (w_->pending))	1791	if (expect_false (w_->pending))
…		…
1348	w_->pending = ++pendingcnt [pri];	1795	w_->pending = ++pendingcnt [pri];
1349	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1350	pendings [pri][w_->pending - 1].w = w_;	1797	pendings [pri][w_->pending - 1].w = w_;
1351	pendings [pri][w_->pending - 1].events = revents;	1798	pendings [pri][w_->pending - 1].events = revents;
1352	}	1799	}
		1800
		1801	pendingpri = NUMPRI - 1;
1353	}	1802	}
1354		1803
1355	inline_speed void	1804	inline_speed void
1356	feed_reverse (EV_P_ W w)	1805	feed_reverse (EV_P_ W w)
1357	{	1806	{
…		…
1403	if (expect_true (!anfd->reify))	1852	if (expect_true (!anfd->reify))
1404	fd_event_nocheck (EV_A_ fd, revents);	1853	fd_event_nocheck (EV_A_ fd, revents);
1405	}	1854	}
1406		1855
1407	void	1856	void
1408	ev_feed_fd_event (EV_P_ int fd, int revents)	1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1409	{	1858	{
1410	if (fd >= 0 && fd < anfdmax)	1859	if (fd >= 0 && fd < anfdmax)
1411	fd_event_nocheck (EV_A_ fd, revents);	1860	fd_event_nocheck (EV_A_ fd, revents);
1412	}	1861	}
1413		1862
…		…
1732	static void noinline ecb_cold	2181	static void noinline ecb_cold
1733	evpipe_init (EV_P)	2182	evpipe_init (EV_P)
1734	{	2183	{
1735	if (!ev_is_active (&pipe_w))	2184	if (!ev_is_active (&pipe_w))
1736	{	2185	{
		2186	int fds [2];
		2187
1737	# if EV_USE_EVENTFD	2188	# if EV_USE_EVENTFD
		2189	fds [0] = -1;
1738	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2190	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1739	if (evfd < 0 && errno == EINVAL)	2191	if (fds [1] < 0 && errno == EINVAL)
1740	evfd = eventfd (0, 0);	2192	fds [1] = eventfd (0, 0);
1741		2193
1742	if (evfd >= 0)	2194	if (fds [1] < 0)
		2195	# endif
1743	{	2196	{
		2197	while (pipe (fds))
		2198	ev_syserr ("(libev) error creating signal/async pipe");
		2199
		2200	fd_intern (fds [0]);
		2201	}
		2202
1744	evpipe [0] = -1;	2203	evpipe [0] = fds [0];
1745	fd_intern (evfd); /* doing it twice doesn't hurt */	2204
1746	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));
1747	}	2255	}
1748	else	2256	else
1749	# endif	2257	#endif
1750	{	2258	{
1751	while (pipe (evpipe))	2259	#ifdef _WIN32
1752	ev_syserr ("(libev) error creating signal/async pipe");	2260	WSABUF buf;
1753		2261	DWORD sent;
1754	fd_intern (evpipe [0]);	2262	buf.buf = &buf;
1755	fd_intern (evpipe [1]);	2263	buf.len = 1;
1756	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1757	}	2265	#else
1758
1759	ev_io_start (EV_A_ &pipe_w);
1760	ev_unref (EV_A); /* watcher should not keep loop alive */
1761	}
1762	}
1763
1764	inline_speed void
1765	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1766	{
1767	if (expect_true (*flag))
1768	return;
1769
1770	*flag = 1;
1771
1772	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1773
1774	pipe_write_skipped = 1;
1775
1776	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1777
1778	if (pipe_write_wanted)
1779	{
1780	int old_errno;
1781
1782	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1783
1784	old_errno = errno; /* save errno because write will clobber it */
1785
1786	#if EV_USE_EVENTFD
1787	if (evfd >= 0)
1788	{
1789	uint64_t counter = 1;
1790	write (evfd, &counter, sizeof (uint64_t));
1791	}
1792	else
1793	#endif
1794	{
1795	/* win32 people keep sending patches that change this write() to send() */
1796	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1797	/* so when you think this write should be a send instead, please find out */
1798	/* where your send() is from - it's definitely not the microsoft send, and */
1799	/* tell me. thank you. */
1800	write (evpipe [1], &(evpipe [1]), 1);	2266	write (evpipe [1], &(evpipe [1]), 1);
		2267	#endif
1801	}	2268	}
1802		2269
1803	errno = old_errno;	2270	errno = old_errno;
1804	}	2271	}
1805	}	2272	}
…		…
1812	int i;	2279	int i;
1813		2280
1814	if (revents & EV_READ)	2281	if (revents & EV_READ)
1815	{	2282	{
1816	#if EV_USE_EVENTFD	2283	#if EV_USE_EVENTFD
1817	if (evfd >= 0)	2284	if (evpipe [0] < 0)
1818	{	2285	{
1819	uint64_t counter;	2286	uint64_t counter;
1820	read (evfd, &counter, sizeof (uint64_t));	2287	read (evpipe [1], &counter, sizeof (uint64_t));
1821	}	2288	}
1822	else	2289	else
1823	#endif	2290	#endif
1824	{	2291	{
1825	char dummy;	2292	char dummy[4];
1826	/* 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
1827	read (evpipe [0], &dummy, 1);	2301	read (evpipe [0], &dummy, sizeof (dummy));
		2302	#endif
1828	}	2303	}
1829	}	2304	}
1830		2305
1831	pipe_write_skipped = 0;	2306	pipe_write_skipped = 0;
		2307
		2308	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1832		2309
1833	#if EV_SIGNAL_ENABLE	2310	#if EV_SIGNAL_ENABLE
1834	if (sig_pending)	2311	if (sig_pending)
1835	{	2312	{
1836	sig_pending = 0;	2313	sig_pending = 0;
		2314
		2315	ECB_MEMORY_FENCE;
1837		2316
1838	for (i = EV_NSIG - 1; i--; )	2317	for (i = EV_NSIG - 1; i--; )
1839	if (expect_false (signals [i].pending))	2318	if (expect_false (signals [i].pending))
1840	ev_feed_signal_event (EV_A_ i + 1);	2319	ev_feed_signal_event (EV_A_ i + 1);
1841	}	2320	}
…		…
1843		2322
1844	#if EV_ASYNC_ENABLE	2323	#if EV_ASYNC_ENABLE
1845	if (async_pending)	2324	if (async_pending)
1846	{	2325	{
1847	async_pending = 0;	2326	async_pending = 0;
		2327
		2328	ECB_MEMORY_FENCE;
1848		2329
1849	for (i = asynccnt; i--; )	2330	for (i = asynccnt; i--; )
1850	if (asyncs [i]->sent)	2331	if (asyncs [i]->sent)
1851	{	2332	{
1852	asyncs [i]->sent = 0;	2333	asyncs [i]->sent = 0;
		2334	ECB_MEMORY_FENCE_RELEASE;
1853	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2335	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1854	}	2336	}
1855	}	2337	}
1856	#endif	2338	#endif
1857	}	2339	}
1858		2340
1859	/*****************************************************************************/	2341	/*****************************************************************************/
1860		2342
1861	void	2343	void
1862	ev_feed_signal (int signum)	2344	ev_feed_signal (int signum) EV_THROW
1863	{	2345	{
1864	#if EV_MULTIPLICITY	2346	#if EV_MULTIPLICITY
		2347	EV_P;
		2348	ECB_MEMORY_FENCE_ACQUIRE;
1865	EV_P = signals [signum - 1].loop;	2349	EV_A = signals [signum - 1].loop;
1866		2350
1867	if (!EV_A)	2351	if (!EV_A)
1868	return;	2352	return;
1869	#endif	2353	#endif
1870		2354
1871	if (!ev_active (&pipe_w))
1872	return;
1873
1874	signals [signum - 1].pending = 1;	2355	signals [signum - 1].pending = 1;
1875	evpipe_write (EV_A_ &sig_pending);	2356	evpipe_write (EV_A_ &sig_pending);
1876	}	2357	}
1877		2358
1878	static void	2359	static void
…		…
1884		2365
1885	ev_feed_signal (signum);	2366	ev_feed_signal (signum);
1886	}	2367	}
1887		2368
1888	void noinline	2369	void noinline
1889	ev_feed_signal_event (EV_P_ int signum)	2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1890	{	2371	{
1891	WL w;	2372	WL w;
1892		2373
1893	if (expect_false (signum <= 0 || signum > EV_NSIG))	2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1894	return;	2375	return;
1895		2376
1896	--signum;	2377	--signum;
1897		2378
1898	#if EV_MULTIPLICITY	2379	#if EV_MULTIPLICITY
…		…
1902	if (expect_false (signals [signum].loop != EV_A))	2383	if (expect_false (signals [signum].loop != EV_A))
1903	return;	2384	return;
1904	#endif	2385	#endif
1905		2386
1906	signals [signum].pending = 0;	2387	signals [signum].pending = 0;
		2388	ECB_MEMORY_FENCE_RELEASE;
1907		2389
1908	for (w = signals [signum].head; w; w = w->next)	2390	for (w = signals [signum].head; w; w = w->next)
1909	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2391	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1910	}	2392	}
1911		2393
…		…
2010	#if EV_USE_SELECT	2492	#if EV_USE_SELECT
2011	# include "ev_select.c"	2493	# include "ev_select.c"
2012	#endif	2494	#endif
2013		2495
2014	int ecb_cold	2496	int ecb_cold
2015	ev_version_major (void)	2497	ev_version_major (void) EV_THROW
2016	{	2498	{
2017	return EV_VERSION_MAJOR;	2499	return EV_VERSION_MAJOR;
2018	}	2500	}
2019		2501
2020	int ecb_cold	2502	int ecb_cold
2021	ev_version_minor (void)	2503	ev_version_minor (void) EV_THROW
2022	{	2504	{
2023	return EV_VERSION_MINOR;	2505	return EV_VERSION_MINOR;
2024	}	2506	}
2025		2507
2026	/* 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 */
…		…
2034	|| getgid () != getegid ();	2516	|| getgid () != getegid ();
2035	#endif	2517	#endif
2036	}	2518	}
2037		2519
2038	unsigned int ecb_cold	2520	unsigned int ecb_cold
2039	ev_supported_backends (void)	2521	ev_supported_backends (void) EV_THROW
2040	{	2522	{
2041	unsigned int flags = 0;	2523	unsigned int flags = 0;
2042		2524
2043	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2044	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2048		2530
2049	return flags;	2531	return flags;
2050	}	2532	}
2051		2533
2052	unsigned int ecb_cold	2534	unsigned int ecb_cold
2053	ev_recommended_backends (void)	2535	ev_recommended_backends (void) EV_THROW
2054	{	2536	{
2055	unsigned int flags = ev_supported_backends ();	2537	unsigned int flags = ev_supported_backends ();
2056		2538
2057	#ifndef __NetBSD__	2539	#ifndef __NetBSD__
2058	/* kqueue is borked on everything but netbsd apparently */	2540	/* kqueue is borked on everything but netbsd apparently */
…		…
2070		2552
2071	return flags;	2553	return flags;
2072	}	2554	}
2073		2555
2074	unsigned int ecb_cold	2556	unsigned int ecb_cold
2075	ev_embeddable_backends (void)	2557	ev_embeddable_backends (void) EV_THROW
2076	{	2558	{
2077	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2078		2560
2079	/* 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 */
2080	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 */
…		…
2082		2564
2083	return flags;	2565	return flags;
2084	}	2566	}
2085		2567
2086	unsigned int	2568	unsigned int
2087	ev_backend (EV_P)	2569	ev_backend (EV_P) EV_THROW
2088	{	2570	{
2089	return backend;	2571	return backend;
2090	}	2572	}
2091		2573
2092	#if EV_FEATURE_API	2574	#if EV_FEATURE_API
2093	unsigned int	2575	unsigned int
2094	ev_iteration (EV_P)	2576	ev_iteration (EV_P) EV_THROW
2095	{	2577	{
2096	return loop_count;	2578	return loop_count;
2097	}	2579	}
2098		2580
2099	unsigned int	2581	unsigned int
2100	ev_depth (EV_P)	2582	ev_depth (EV_P) EV_THROW
2101	{	2583	{
2102	return loop_depth;	2584	return loop_depth;
2103	}	2585	}
2104		2586
2105	void	2587	void
2106	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2107	{	2589	{
2108	io_blocktime = interval;	2590	io_blocktime = interval;
2109	}	2591	}
2110		2592
2111	void	2593	void
2112	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2595	{
2114	timeout_blocktime = interval;	2596	timeout_blocktime = interval;
2115	}	2597	}
2116		2598
2117	void	2599	void
2118	ev_set_userdata (EV_P_ void *data)	2600	ev_set_userdata (EV_P_ void *data) EV_THROW
2119	{	2601	{
2120	userdata = data;	2602	userdata = data;
2121	}	2603	}
2122		2604
2123	void *	2605	void *
2124	ev_userdata (EV_P)	2606	ev_userdata (EV_P) EV_THROW
2125	{	2607	{
2126	return userdata;	2608	return userdata;
2127	}	2609	}
2128		2610
2129	void	2611	void
2130	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
2131	{	2613	{
2132	invoke_cb = invoke_pending_cb;	2614	invoke_cb = invoke_pending_cb;
2133	}	2615	}
2134		2616
2135	void	2617	void
2136	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW
2137	{	2619	{
2138	release_cb = release;	2620	release_cb = release;
2139	acquire_cb = acquire;	2621	acquire_cb = acquire;
2140	}	2622	}
2141	#endif	2623	#endif
2142		2624
2143	/* initialise a loop structure, must be zero-initialised */	2625	/* initialise a loop structure, must be zero-initialised */
2144	static void noinline ecb_cold	2626	static void noinline ecb_cold
2145	loop_init (EV_P_ unsigned int flags)	2627	loop_init (EV_P_ unsigned int flags) EV_THROW
2146	{	2628	{
2147	if (!backend)	2629	if (!backend)
2148	{	2630	{
2149	origflags = flags;	2631	origflags = flags;
2150		2632
…		…
2195	#if EV_ASYNC_ENABLE	2677	#if EV_ASYNC_ENABLE
2196	async_pending = 0;	2678	async_pending = 0;
2197	#endif	2679	#endif
2198	pipe_write_skipped = 0;	2680	pipe_write_skipped = 0;
2199	pipe_write_wanted = 0;	2681	pipe_write_wanted = 0;
		2682	evpipe [0] = -1;
		2683	evpipe [1] = -1;
2200	#if EV_USE_INOTIFY	2684	#if EV_USE_INOTIFY
2201	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2685	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2202	#endif	2686	#endif
2203	#if EV_USE_SIGNALFD	2687	#if EV_USE_SIGNALFD
2204	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2688	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2255	EV_INVOKE_PENDING;	2739	EV_INVOKE_PENDING;
2256	}	2740	}
2257	#endif	2741	#endif
2258		2742
2259	#if EV_CHILD_ENABLE	2743	#if EV_CHILD_ENABLE
2260	if (ev_is_active (&childev))	2744	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2261	{	2745	{
2262	ev_ref (EV_A); /* child watcher */	2746	ev_ref (EV_A); /* child watcher */
2263	ev_signal_stop (EV_A_ &childev);	2747	ev_signal_stop (EV_A_ &childev);
2264	}	2748	}
2265	#endif	2749	#endif
…		…
2267	if (ev_is_active (&pipe_w))	2751	if (ev_is_active (&pipe_w))
2268	{	2752	{
2269	/*ev_ref (EV_A);*/	2753	/*ev_ref (EV_A);*/
2270	/*ev_io_stop (EV_A_ &pipe_w);*/	2754	/*ev_io_stop (EV_A_ &pipe_w);*/
2271		2755
2272	#if EV_USE_EVENTFD
2273	if (evfd >= 0)
2274	close (evfd);
2275	#endif
2276
2277	if (evpipe [0] >= 0)
2278	{
2279	EV_WIN32_CLOSE_FD (evpipe [0]);	2756	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2280	EV_WIN32_CLOSE_FD (evpipe [1]);	2757	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2281	}
2282	}	2758	}
2283		2759
2284	#if EV_USE_SIGNALFD	2760	#if EV_USE_SIGNALFD
2285	if (ev_is_active (&sigfd_w))	2761	if (ev_is_active (&sigfd_w))
2286	close (sigfd);	2762	close (sigfd);
…		…
2372	#endif	2848	#endif
2373	#if EV_USE_INOTIFY	2849	#if EV_USE_INOTIFY
2374	infy_fork (EV_A);	2850	infy_fork (EV_A);
2375	#endif	2851	#endif
2376		2852
		2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2377	if (ev_is_active (&pipe_w))	2854	if (ev_is_active (&pipe_w))
2378	{	2855	{
2379	/* 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 */
2380		2857
2381	ev_ref (EV_A);	2858	ev_ref (EV_A);
2382	ev_io_stop (EV_A_ &pipe_w);	2859	ev_io_stop (EV_A_ &pipe_w);
2383		2860
2384	#if EV_USE_EVENTFD
2385	if (evfd >= 0)
2386	close (evfd);
2387	#endif
2388
2389	if (evpipe [0] >= 0)	2861	if (evpipe [0] >= 0)
2390	{
2391	EV_WIN32_CLOSE_FD (evpipe [0]);	2862	EV_WIN32_CLOSE_FD (evpipe [0]);
2392	EV_WIN32_CLOSE_FD (evpipe [1]);
2393	}
2394		2863
2395	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2396	evpipe_init (EV_A);	2864	evpipe_init (EV_A);
2397	/* now iterate over everything, in case we missed something */	2865	/* iterate over everything, in case we missed something before */
2398	pipecb (EV_A_ &pipe_w, EV_READ);	2866	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2399	#endif
2400	}	2867	}
		2868	#endif
2401		2869
2402	postfork = 0;	2870	postfork = 0;
2403	}	2871	}
2404		2872
2405	#if EV_MULTIPLICITY	2873	#if EV_MULTIPLICITY
2406		2874
2407	struct ev_loop * ecb_cold	2875	struct ev_loop * ecb_cold
2408	ev_loop_new (unsigned int flags)	2876	ev_loop_new (unsigned int flags) EV_THROW
2409	{	2877	{
2410	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2411		2879
2412	memset (EV_A, 0, sizeof (struct ev_loop));	2880	memset (EV_A, 0, sizeof (struct ev_loop));
2413	loop_init (EV_A_ flags);	2881	loop_init (EV_A_ flags);
…		…
2457	}	2925	}
2458	#endif	2926	#endif
2459		2927
2460	#if EV_FEATURE_API	2928	#if EV_FEATURE_API
2461	void ecb_cold	2929	void ecb_cold
2462	ev_verify (EV_P)	2930	ev_verify (EV_P) EV_THROW
2463	{	2931	{
2464	#if EV_VERIFY	2932	#if EV_VERIFY
2465	int i;	2933	int i;
2466	WL w;	2934	WL w, w2;
2467		2935
2468	assert (activecnt >= -1);	2936	assert (activecnt >= -1);
2469		2937
2470	assert (fdchangemax >= fdchangecnt);	2938	assert (fdchangemax >= fdchangecnt);
2471	for (i = 0; i < fdchangecnt; ++i)	2939	for (i = 0; i < fdchangecnt; ++i)
2472	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2940	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2473		2941
2474	assert (anfdmax >= 0);	2942	assert (anfdmax >= 0);
2475	for (i = 0; i < anfdmax; ++i)	2943	for (i = 0; i < anfdmax; ++i)
		2944	{
		2945	int j = 0;
		2946
2476	for (w = anfds [i].head; w; w = w->next)	2947	for (w = w2 = anfds [i].head; w; w = w->next)
2477	{	2948	{
2478	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
2479	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));
2480	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));
2481	}	2959	}
		2960	}
2482		2961
2483	assert (timermax >= timercnt);	2962	assert (timermax >= timercnt);
2484	verify_heap (EV_A_ timers, timercnt);	2963	verify_heap (EV_A_ timers, timercnt);
2485		2964
2486	#if EV_PERIODIC_ENABLE	2965	#if EV_PERIODIC_ENABLE
…		…
2536	#if EV_MULTIPLICITY	3015	#if EV_MULTIPLICITY
2537	struct ev_loop * ecb_cold	3016	struct ev_loop * ecb_cold
2538	#else	3017	#else
2539	int	3018	int
2540	#endif	3019	#endif
2541	ev_default_loop (unsigned int flags)	3020	ev_default_loop (unsigned int flags) EV_THROW
2542	{	3021	{
2543	if (!ev_default_loop_ptr)	3022	if (!ev_default_loop_ptr)
2544	{	3023	{
2545	#if EV_MULTIPLICITY	3024	#if EV_MULTIPLICITY
2546	EV_P = ev_default_loop_ptr = &default_loop_struct;	3025	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2565		3044
2566	return ev_default_loop_ptr;	3045	return ev_default_loop_ptr;
2567	}	3046	}
2568		3047
2569	void	3048	void
2570	ev_loop_fork (EV_P)	3049	ev_loop_fork (EV_P) EV_THROW
2571	{	3050	{
2572	postfork = 1; /* must be in line with ev_default_fork */	3051	postfork = 1;
2573	}	3052	}
2574		3053
2575	/*****************************************************************************/	3054	/*****************************************************************************/
2576		3055
2577	void	3056	void
…		…
2579	{	3058	{
2580	EV_CB_INVOKE ((W)w, revents);	3059	EV_CB_INVOKE ((W)w, revents);
2581	}	3060	}
2582		3061
2583	unsigned int	3062	unsigned int
2584	ev_pending_count (EV_P)	3063	ev_pending_count (EV_P) EV_THROW
2585	{	3064	{
2586	int pri;	3065	int pri;
2587	unsigned int count = 0;	3066	unsigned int count = 0;
2588		3067
2589	for (pri = NUMPRI; pri--; )	3068	for (pri = NUMPRI; pri--; )
…		…
2593	}	3072	}
2594		3073
2595	void noinline	3074	void noinline
2596	ev_invoke_pending (EV_P)	3075	ev_invoke_pending (EV_P)
2597	{	3076	{
2598	int pri;	3077	pendingpri = NUMPRI;
2599		3078
2600	for (pri = NUMPRI; pri--; )	3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3080	{
		3081	--pendingpri;
		3082
2601	while (pendingcnt [pri])	3083	while (pendingcnt [pendingpri])
2602	{	3084	{
2603	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2604		3086
2605	p->w->pending = 0;	3087	p->w->pending = 0;
2606	EV_CB_INVOKE (p->w, p->events);	3088	EV_CB_INVOKE (p->w, p->events);
2607	EV_FREQUENT_CHECK;	3089	EV_FREQUENT_CHECK;
2608	}	3090	}
		3091	}
2609	}	3092	}
2610		3093
2611	#if EV_IDLE_ENABLE	3094	#if EV_IDLE_ENABLE
2612	/* make idle watchers pending. this handles the "call-idle */	3095	/* make idle watchers pending. this handles the "call-idle */
2613	/* only when higher priorities are idle" logic */	3096	/* only when higher priorities are idle" logic */
…		…
2703	{	3186	{
2704	EV_FREQUENT_CHECK;	3187	EV_FREQUENT_CHECK;
2705		3188
2706	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3189	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2707	{	3190	{
2708	int feed_count = 0;
2709
2710	do	3191	do
2711	{	3192	{
2712	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3193	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2713		3194
2714	/*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)));*/
…		…
2848		3329
2849	mn_now = ev_rt_now;	3330	mn_now = ev_rt_now;
2850	}	3331	}
2851	}	3332	}
2852		3333
2853	void	3334	int
2854	ev_run (EV_P_ int flags)	3335	ev_run (EV_P_ int flags)
2855	{	3336	{
2856	#if EV_FEATURE_API	3337	#if EV_FEATURE_API
2857	++loop_depth;	3338	++loop_depth;
2858	#endif	3339	#endif
…		…
2971	#endif	3452	#endif
2972	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3453	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2973	backend_poll (EV_A_ waittime);	3454	backend_poll (EV_A_ waittime);
2974	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3455	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2975		3456
2976	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3457	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2977		3458
		3459	ECB_MEMORY_FENCE_ACQUIRE;
2978	if (pipe_write_skipped)	3460	if (pipe_write_skipped)
2979	{	3461	{
2980	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)));
2981	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3463	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2982	}	3464	}
…		…
3015	loop_done = EVBREAK_CANCEL;	3497	loop_done = EVBREAK_CANCEL;
3016		3498
3017	#if EV_FEATURE_API	3499	#if EV_FEATURE_API
3018	--loop_depth;	3500	--loop_depth;
3019	#endif	3501	#endif
		3502
		3503	return activecnt;
3020	}	3504	}
3021		3505
3022	void	3506	void
3023	ev_break (EV_P_ int how)	3507	ev_break (EV_P_ int how) EV_THROW
3024	{	3508	{
3025	loop_done = how;	3509	loop_done = how;
3026	}	3510	}
3027		3511
3028	void	3512	void
3029	ev_ref (EV_P)	3513	ev_ref (EV_P) EV_THROW
3030	{	3514	{
3031	++activecnt;	3515	++activecnt;
3032	}	3516	}
3033		3517
3034	void	3518	void
3035	ev_unref (EV_P)	3519	ev_unref (EV_P) EV_THROW
3036	{	3520	{
3037	--activecnt;	3521	--activecnt;
3038	}	3522	}
3039		3523
3040	void	3524	void
3041	ev_now_update (EV_P)	3525	ev_now_update (EV_P) EV_THROW
3042	{	3526	{
3043	time_update (EV_A_ 1e100);	3527	time_update (EV_A_ 1e100);
3044	}	3528	}
3045		3529
3046	void	3530	void
3047	ev_suspend (EV_P)	3531	ev_suspend (EV_P) EV_THROW
3048	{	3532	{
3049	ev_now_update (EV_A);	3533	ev_now_update (EV_A);
3050	}	3534	}
3051		3535
3052	void	3536	void
3053	ev_resume (EV_P)	3537	ev_resume (EV_P) EV_THROW
3054	{	3538	{
3055	ev_tstamp mn_prev = mn_now;	3539	ev_tstamp mn_prev = mn_now;
3056		3540
3057	ev_now_update (EV_A);	3541	ev_now_update (EV_A);
3058	timers_reschedule (EV_A_ mn_now - mn_prev);	3542	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3097	w->pending = 0;	3581	w->pending = 0;
3098	}	3582	}
3099	}	3583	}
3100		3584
3101	int	3585	int
3102	ev_clear_pending (EV_P_ void *w)	3586	ev_clear_pending (EV_P_ void *w) EV_THROW
3103	{	3587	{
3104	W w_ = (W)w;	3588	W w_ = (W)w;
3105	int pending = w_->pending;	3589	int pending = w_->pending;
3106		3590
3107	if (expect_true (pending))	3591	if (expect_true (pending))
…		…
3140	}	3624	}
3141		3625
3142	/*****************************************************************************/	3626	/*****************************************************************************/
3143		3627
3144	void noinline	3628	void noinline
3145	ev_io_start (EV_P_ ev_io *w)	3629	ev_io_start (EV_P_ ev_io *w) EV_THROW
3146	{	3630	{
3147	int fd = w->fd;	3631	int fd = w->fd;
3148		3632
3149	if (expect_false (ev_is_active (w)))	3633	if (expect_false (ev_is_active (w)))
3150	return;	3634	return;
…		…
3156		3640
3157	ev_start (EV_A_ (W)w, 1);	3641	ev_start (EV_A_ (W)w, 1);
3158	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3159	wlist_add (&anfds[fd].head, (WL)w);	3643	wlist_add (&anfds[fd].head, (WL)w);
3160		3644
		3645	/* common bug, apparently */
		3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3647
3161	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);
3162	w->events &= ~EV__IOFDSET;	3649	w->events &= ~EV__IOFDSET;
3163		3650
3164	EV_FREQUENT_CHECK;	3651	EV_FREQUENT_CHECK;
3165	}	3652	}
3166		3653
3167	void noinline	3654	void noinline
3168	ev_io_stop (EV_P_ ev_io *w)	3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3169	{	3656	{
3170	clear_pending (EV_A_ (W)w);	3657	clear_pending (EV_A_ (W)w);
3171	if (expect_false (!ev_is_active (w)))	3658	if (expect_false (!ev_is_active (w)))
3172	return;	3659	return;
3173		3660
…		…
3182		3669
3183	EV_FREQUENT_CHECK;	3670	EV_FREQUENT_CHECK;
3184	}	3671	}
3185		3672
3186	void noinline	3673	void noinline
3187	ev_timer_start (EV_P_ ev_timer *w)	3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3188	{	3675	{
3189	if (expect_false (ev_is_active (w)))	3676	if (expect_false (ev_is_active (w)))
3190	return;	3677	return;
3191		3678
3192	ev_at (w) += mn_now;	3679	ev_at (w) += mn_now;
…		…
3206		3693
3207	/*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));*/
3208	}	3695	}
3209		3696
3210	void noinline	3697	void noinline
3211	ev_timer_stop (EV_P_ ev_timer *w)	3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3212	{	3699	{
3213	clear_pending (EV_A_ (W)w);	3700	clear_pending (EV_A_ (W)w);
3214	if (expect_false (!ev_is_active (w)))	3701	if (expect_false (!ev_is_active (w)))
3215	return;	3702	return;
3216		3703
…		…
3236		3723
3237	EV_FREQUENT_CHECK;	3724	EV_FREQUENT_CHECK;
3238	}	3725	}
3239		3726
3240	void noinline	3727	void noinline
3241	ev_timer_again (EV_P_ ev_timer *w)	3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3242	{	3729	{
3243	EV_FREQUENT_CHECK;	3730	EV_FREQUENT_CHECK;
		3731
		3732	clear_pending (EV_A_ (W)w);
3244		3733
3245	if (ev_is_active (w))	3734	if (ev_is_active (w))
3246	{	3735	{
3247	if (w->repeat)	3736	if (w->repeat)
3248	{	3737	{
…		…
3261		3750
3262	EV_FREQUENT_CHECK;	3751	EV_FREQUENT_CHECK;
3263	}	3752	}
3264		3753
3265	ev_tstamp	3754	ev_tstamp
3266	ev_timer_remaining (EV_P_ ev_timer *w)	3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3267	{	3756	{
3268	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3269	}	3758	}
3270		3759
3271	#if EV_PERIODIC_ENABLE	3760	#if EV_PERIODIC_ENABLE
3272	void noinline	3761	void noinline
3273	ev_periodic_start (EV_P_ ev_periodic *w)	3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3274	{	3763	{
3275	if (expect_false (ev_is_active (w)))	3764	if (expect_false (ev_is_active (w)))
3276	return;	3765	return;
3277		3766
3278	if (w->reschedule_cb)	3767	if (w->reschedule_cb)
…		…
3298		3787
3299	/*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));*/
3300	}	3789	}
3301		3790
3302	void noinline	3791	void noinline
3303	ev_periodic_stop (EV_P_ ev_periodic *w)	3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3304	{	3793	{
3305	clear_pending (EV_A_ (W)w);	3794	clear_pending (EV_A_ (W)w);
3306	if (expect_false (!ev_is_active (w)))	3795	if (expect_false (!ev_is_active (w)))
3307	return;	3796	return;
3308		3797
…		…
3326		3815
3327	EV_FREQUENT_CHECK;	3816	EV_FREQUENT_CHECK;
3328	}	3817	}
3329		3818
3330	void noinline	3819	void noinline
3331	ev_periodic_again (EV_P_ ev_periodic *w)	3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3332	{	3821	{
3333	/* TODO: use adjustheap and recalculation */	3822	/* TODO: use adjustheap and recalculation */
3334	ev_periodic_stop (EV_A_ w);	3823	ev_periodic_stop (EV_A_ w);
3335	ev_periodic_start (EV_A_ w);	3824	ev_periodic_start (EV_A_ w);
3336	}	3825	}
…		…
3341	#endif	3830	#endif
3342		3831
3343	#if EV_SIGNAL_ENABLE	3832	#if EV_SIGNAL_ENABLE
3344		3833
3345	void noinline	3834	void noinline
3346	ev_signal_start (EV_P_ ev_signal *w)	3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3347	{	3836	{
3348	if (expect_false (ev_is_active (w)))	3837	if (expect_false (ev_is_active (w)))
3349	return;	3838	return;
3350		3839
3351	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));
…		…
3353	#if EV_MULTIPLICITY	3842	#if EV_MULTIPLICITY
3354	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",
3355	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3844	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3356		3845
3357	signals [w->signum - 1].loop = EV_A;	3846	signals [w->signum - 1].loop = EV_A;
		3847	ECB_MEMORY_FENCE_RELEASE;
3358	#endif	3848	#endif
3359		3849
3360	EV_FREQUENT_CHECK;	3850	EV_FREQUENT_CHECK;
3361		3851
3362	#if EV_USE_SIGNALFD	3852	#if EV_USE_SIGNALFD
…		…
3422		3912
3423	EV_FREQUENT_CHECK;	3913	EV_FREQUENT_CHECK;
3424	}	3914	}
3425		3915
3426	void noinline	3916	void noinline
3427	ev_signal_stop (EV_P_ ev_signal *w)	3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3428	{	3918	{
3429	clear_pending (EV_A_ (W)w);	3919	clear_pending (EV_A_ (W)w);
3430	if (expect_false (!ev_is_active (w)))	3920	if (expect_false (!ev_is_active (w)))
3431	return;	3921	return;
3432		3922
…		…
3463	#endif	3953	#endif
3464		3954
3465	#if EV_CHILD_ENABLE	3955	#if EV_CHILD_ENABLE
3466		3956
3467	void	3957	void
3468	ev_child_start (EV_P_ ev_child *w)	3958	ev_child_start (EV_P_ ev_child *w) EV_THROW
3469	{	3959	{
3470	#if EV_MULTIPLICITY	3960	#if EV_MULTIPLICITY
3471	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));
3472	#endif	3962	#endif
3473	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
…		…
3480		3970
3481	EV_FREQUENT_CHECK;	3971	EV_FREQUENT_CHECK;
3482	}	3972	}
3483		3973
3484	void	3974	void
3485	ev_child_stop (EV_P_ ev_child *w)	3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3486	{	3976	{
3487	clear_pending (EV_A_ (W)w);	3977	clear_pending (EV_A_ (W)w);
3488	if (expect_false (!ev_is_active (w)))	3978	if (expect_false (!ev_is_active (w)))
3489	return;	3979	return;
3490		3980
…		…
3517	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4007	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3518		4008
3519	static void noinline	4009	static void noinline
3520	infy_add (EV_P_ ev_stat *w)	4010	infy_add (EV_P_ ev_stat *w)
3521	{	4011	{
3522	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);
3523		4016
3524	if (w->wd >= 0)	4017	if (w->wd >= 0)
3525	{	4018	{
3526	struct statfs sfs;	4019	struct statfs sfs;
3527		4020
…		…
3531		4024
3532	if (!fs_2625)	4025	if (!fs_2625)
3533	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4026	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3534	else if (!statfs (w->path, &sfs)	4027	else if (!statfs (w->path, &sfs)
3535	&& (sfs.f_type == 0x1373 /* devfs */	4028	&& (sfs.f_type == 0x1373 /* devfs */
		4029	|| sfs.f_type == 0x4006 /* fat */
		4030	|| sfs.f_type == 0x4d44 /* msdos */
3536	|| 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 */
3537	|| sfs.f_type == 0x3153464a /* jfs */	4035	|| sfs.f_type == 0x3153464a /* jfs */
		4036	|| sfs.f_type == 0x9123683e /* btrfs */
3538	|| sfs.f_type == 0x52654973 /* reiser3 */	4037	|| sfs.f_type == 0x52654973 /* reiser3 */
3539	|| sfs.f_type == 0x01021994 /* tempfs */	4038	|| sfs.f_type == 0x01021994 /* tmpfs */
3540	|| sfs.f_type == 0x58465342 /* xfs */))	4039	|| sfs.f_type == 0x58465342 /* xfs */))
3541	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4040	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3542	else	4041	else
3543	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 */
3544	}	4043	}
…		…
3657	}	4156	}
3658		4157
3659	inline_size int	4158	inline_size int
3660	infy_newfd (void)	4159	infy_newfd (void)
3661	{	4160	{
3662	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4161	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3663	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4162	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3664	if (fd >= 0)	4163	if (fd >= 0)
3665	return fd;	4164	return fd;
3666	#endif	4165	#endif
3667	return inotify_init ();	4166	return inotify_init ();
…		…
3742	#else	4241	#else
3743	# define EV_LSTAT(p,b) lstat (p, b)	4242	# define EV_LSTAT(p,b) lstat (p, b)
3744	#endif	4243	#endif
3745		4244
3746	void	4245	void
3747	ev_stat_stat (EV_P_ ev_stat *w)	4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3748	{	4247	{
3749	if (lstat (w->path, &w->attr) < 0)	4248	if (lstat (w->path, &w->attr) < 0)
3750	w->attr.st_nlink = 0;	4249	w->attr.st_nlink = 0;
3751	else if (!w->attr.st_nlink)	4250	else if (!w->attr.st_nlink)
3752	w->attr.st_nlink = 1;	4251	w->attr.st_nlink = 1;
…		…
3791	ev_feed_event (EV_A_ w, EV_STAT);	4290	ev_feed_event (EV_A_ w, EV_STAT);
3792	}	4291	}
3793	}	4292	}
3794		4293
3795	void	4294	void
3796	ev_stat_start (EV_P_ ev_stat *w)	4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3797	{	4296	{
3798	if (expect_false (ev_is_active (w)))	4297	if (expect_false (ev_is_active (w)))
3799	return;	4298	return;
3800		4299
3801	ev_stat_stat (EV_A_ w);	4300	ev_stat_stat (EV_A_ w);
…		…
3822		4321
3823	EV_FREQUENT_CHECK;	4322	EV_FREQUENT_CHECK;
3824	}	4323	}
3825		4324
3826	void	4325	void
3827	ev_stat_stop (EV_P_ ev_stat *w)	4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3828	{	4327	{
3829	clear_pending (EV_A_ (W)w);	4328	clear_pending (EV_A_ (W)w);
3830	if (expect_false (!ev_is_active (w)))	4329	if (expect_false (!ev_is_active (w)))
3831	return;	4330	return;
3832		4331
…		…
3848	}	4347	}
3849	#endif	4348	#endif
3850		4349
3851	#if EV_IDLE_ENABLE	4350	#if EV_IDLE_ENABLE
3852	void	4351	void
3853	ev_idle_start (EV_P_ ev_idle *w)	4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3854	{	4353	{
3855	if (expect_false (ev_is_active (w)))	4354	if (expect_false (ev_is_active (w)))
3856	return;	4355	return;
3857		4356
3858	pri_adjust (EV_A_ (W)w);	4357	pri_adjust (EV_A_ (W)w);
…		…
3871		4370
3872	EV_FREQUENT_CHECK;	4371	EV_FREQUENT_CHECK;
3873	}	4372	}
3874		4373
3875	void	4374	void
3876	ev_idle_stop (EV_P_ ev_idle *w)	4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3877	{	4376	{
3878	clear_pending (EV_A_ (W)w);	4377	clear_pending (EV_A_ (W)w);
3879	if (expect_false (!ev_is_active (w)))	4378	if (expect_false (!ev_is_active (w)))
3880	return;	4379	return;
3881		4380
…		…
3895	}	4394	}
3896	#endif	4395	#endif
3897		4396
3898	#if EV_PREPARE_ENABLE	4397	#if EV_PREPARE_ENABLE
3899	void	4398	void
3900	ev_prepare_start (EV_P_ ev_prepare *w)	4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3901	{	4400	{
3902	if (expect_false (ev_is_active (w)))	4401	if (expect_false (ev_is_active (w)))
3903	return;	4402	return;
3904		4403
3905	EV_FREQUENT_CHECK;	4404	EV_FREQUENT_CHECK;
…		…
3910		4409
3911	EV_FREQUENT_CHECK;	4410	EV_FREQUENT_CHECK;
3912	}	4411	}
3913		4412
3914	void	4413	void
3915	ev_prepare_stop (EV_P_ ev_prepare *w)	4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3916	{	4415	{
3917	clear_pending (EV_A_ (W)w);	4416	clear_pending (EV_A_ (W)w);
3918	if (expect_false (!ev_is_active (w)))	4417	if (expect_false (!ev_is_active (w)))
3919	return;	4418	return;
3920		4419
…		…
3933	}	4432	}
3934	#endif	4433	#endif
3935		4434
3936	#if EV_CHECK_ENABLE	4435	#if EV_CHECK_ENABLE
3937	void	4436	void
3938	ev_check_start (EV_P_ ev_check *w)	4437	ev_check_start (EV_P_ ev_check *w) EV_THROW
3939	{	4438	{
3940	if (expect_false (ev_is_active (w)))	4439	if (expect_false (ev_is_active (w)))
3941	return;	4440	return;
3942		4441
3943	EV_FREQUENT_CHECK;	4442	EV_FREQUENT_CHECK;
…		…
3948		4447
3949	EV_FREQUENT_CHECK;	4448	EV_FREQUENT_CHECK;
3950	}	4449	}
3951		4450
3952	void	4451	void
3953	ev_check_stop (EV_P_ ev_check *w)	4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3954	{	4453	{
3955	clear_pending (EV_A_ (W)w);	4454	clear_pending (EV_A_ (W)w);
3956	if (expect_false (!ev_is_active (w)))	4455	if (expect_false (!ev_is_active (w)))
3957	return;	4456	return;
3958		4457
…		…
3971	}	4470	}
3972	#endif	4471	#endif
3973		4472
3974	#if EV_EMBED_ENABLE	4473	#if EV_EMBED_ENABLE
3975	void noinline	4474	void noinline
3976	ev_embed_sweep (EV_P_ ev_embed *w)	4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3977	{	4476	{
3978	ev_run (w->other, EVRUN_NOWAIT);	4477	ev_run (w->other, EVRUN_NOWAIT);
3979	}	4478	}
3980		4479
3981	static void	4480	static void
…		…
4029	ev_idle_stop (EV_A_ idle);	4528	ev_idle_stop (EV_A_ idle);
4030	}	4529	}
4031	#endif	4530	#endif
4032		4531
4033	void	4532	void
4034	ev_embed_start (EV_P_ ev_embed *w)	4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4035	{	4534	{
4036	if (expect_false (ev_is_active (w)))	4535	if (expect_false (ev_is_active (w)))
4037	return;	4536	return;
4038		4537
4039	{	4538	{
…		…
4060		4559
4061	EV_FREQUENT_CHECK;	4560	EV_FREQUENT_CHECK;
4062	}	4561	}
4063		4562
4064	void	4563	void
4065	ev_embed_stop (EV_P_ ev_embed *w)	4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4066	{	4565	{
4067	clear_pending (EV_A_ (W)w);	4566	clear_pending (EV_A_ (W)w);
4068	if (expect_false (!ev_is_active (w)))	4567	if (expect_false (!ev_is_active (w)))
4069	return;	4568	return;
4070		4569
…		…
4080	}	4579	}
4081	#endif	4580	#endif
4082		4581
4083	#if EV_FORK_ENABLE	4582	#if EV_FORK_ENABLE
4084	void	4583	void
4085	ev_fork_start (EV_P_ ev_fork *w)	4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4086	{	4585	{
4087	if (expect_false (ev_is_active (w)))	4586	if (expect_false (ev_is_active (w)))
4088	return;	4587	return;
4089		4588
4090	EV_FREQUENT_CHECK;	4589	EV_FREQUENT_CHECK;
…		…
4095		4594
4096	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4097	}	4596	}
4098		4597
4099	void	4598	void
4100	ev_fork_stop (EV_P_ ev_fork *w)	4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4101	{	4600	{
4102	clear_pending (EV_A_ (W)w);	4601	clear_pending (EV_A_ (W)w);
4103	if (expect_false (!ev_is_active (w)))	4602	if (expect_false (!ev_is_active (w)))
4104	return;	4603	return;
4105		4604
…		…
4118	}	4617	}
4119	#endif	4618	#endif
4120		4619
4121	#if EV_CLEANUP_ENABLE	4620	#if EV_CLEANUP_ENABLE
4122	void	4621	void
4123	ev_cleanup_start (EV_P_ ev_cleanup *w)	4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4124	{	4623	{
4125	if (expect_false (ev_is_active (w)))	4624	if (expect_false (ev_is_active (w)))
4126	return;	4625	return;
4127		4626
4128	EV_FREQUENT_CHECK;	4627	EV_FREQUENT_CHECK;
…		…
4135	ev_unref (EV_A);	4634	ev_unref (EV_A);
4136	EV_FREQUENT_CHECK;	4635	EV_FREQUENT_CHECK;
4137	}	4636	}
4138		4637
4139	void	4638	void
4140	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4141	{	4640	{
4142	clear_pending (EV_A_ (W)w);	4641	clear_pending (EV_A_ (W)w);
4143	if (expect_false (!ev_is_active (w)))	4642	if (expect_false (!ev_is_active (w)))
4144	return;	4643	return;
4145		4644
…		…
4159	}	4658	}
4160	#endif	4659	#endif
4161		4660
4162	#if EV_ASYNC_ENABLE	4661	#if EV_ASYNC_ENABLE
4163	void	4662	void
4164	ev_async_start (EV_P_ ev_async *w)	4663	ev_async_start (EV_P_ ev_async *w) EV_THROW
4165	{	4664	{
4166	if (expect_false (ev_is_active (w)))	4665	if (expect_false (ev_is_active (w)))
4167	return;	4666	return;
4168		4667
4169	w->sent = 0;	4668	w->sent = 0;
…		…
4178		4677
4179	EV_FREQUENT_CHECK;	4678	EV_FREQUENT_CHECK;
4180	}	4679	}
4181		4680
4182	void	4681	void
4183	ev_async_stop (EV_P_ ev_async *w)	4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4184	{	4683	{
4185	clear_pending (EV_A_ (W)w);	4684	clear_pending (EV_A_ (W)w);
4186	if (expect_false (!ev_is_active (w)))	4685	if (expect_false (!ev_is_active (w)))
4187	return;	4686	return;
4188		4687
…		…
4199		4698
4200	EV_FREQUENT_CHECK;	4699	EV_FREQUENT_CHECK;
4201	}	4700	}
4202		4701
4203	void	4702	void
4204	ev_async_send (EV_P_ ev_async *w)	4703	ev_async_send (EV_P_ ev_async *w) EV_THROW
4205	{	4704	{
4206	w->sent = 1;	4705	w->sent = 1;
4207	evpipe_write (EV_A_ &async_pending);	4706	evpipe_write (EV_A_ &async_pending);
4208	}	4707	}
4209	#endif	4708	#endif
…		…
4246		4745
4247	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));
4248	}	4747	}
4249		4748
4250	void	4749	void
4251	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
4252	{	4751	{
4253	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));
4254		4753
4255	if (expect_false (!once))	4754	if (expect_false (!once))
4256	{	4755	{
…		…
4278		4777
4279	/*****************************************************************************/	4778	/*****************************************************************************/
4280		4779
4281	#if EV_WALK_ENABLE	4780	#if EV_WALK_ENABLE
4282	void ecb_cold	4781	void ecb_cold
4283	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
4284	{	4783	{
4285	int i, j;	4784	int i, j;
4286	ev_watcher_list *wl, *wn;	4785	ev_watcher_list *wl, *wn;
4287		4786
4288	if (types & (EV_IO | EV_EMBED))	4787	if (types & (EV_IO | EV_EMBED))
…		…
4394		4893
4395	#if EV_MULTIPLICITY	4894	#if EV_MULTIPLICITY
4396	#include "ev_wrap.h"	4895	#include "ev_wrap.h"
4397	#endif	4896	#endif
4398		4897
4399	EV_CPP(})
4400

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines