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Comparing libev/ev.c (file contents):
Revision 1.410 by root, Sat Feb 4 17:57:55 2012 UTC vs.
Revision 1.457 by root, Thu Sep 5 18:45:29 2013 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 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	*
…		…
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
…		…
201	# include <sys/wait.h>	201	# include <sys/wait.h>
202	# include <unistd.h>	202	# include <unistd.h>
203	#else	203	#else
204	# include <io.h>	204	# include <io.h>
205	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
206	# include <windows.h>	207	# include <windows.h>
207	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
208	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
209	# endif	210	# endif
210	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
219	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
220		221
221	/* 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 */
222		223
223	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
224	#if defined (EV_NSIG)	225	#if defined EV_NSIG
225	/* use what's provided */	226	/* use what's provided */
226	#elif defined (NSIG)	227	#elif defined NSIG
227	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
228	#elif defined(_NSIG)	229	#elif defined _NSIG
229	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
230	#elif defined (SIGMAX)	231	#elif defined SIGMAX
231	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
232	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
233	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
234	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
235	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
236	#elif defined (MAXSIG)	237	#elif defined MAXSIG
237	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
238	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
239	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
240	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244	#else	245	#else
245	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
246	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
259	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	261	# endif
261	#endif	262	#endif
262		263
263	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
264	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
266	# else	267	# else
267	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
268	# endif	269	# endif
269	#endif	270	#endif
…		…
356		357
357	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
358	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
359	#endif	360	#endif
360		361
		362	#ifdef ANDROID
		363	/* supposedly, android doesn't typedef fd_mask */
		364	# undef EV_USE_SELECT
		365	# define EV_USE_SELECT 0
		366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		367	# undef EV_USE_CLOCK_SYSCALL
		368	# define EV_USE_CLOCK_SYSCALL 0
		369	#endif
		370
		371	/* aix's poll.h seems to cause lots of trouble */
		372	#ifdef _AIX
		373	/* AIX has a completely broken poll.h header */
		374	# undef EV_USE_POLL
		375	# define EV_USE_POLL 0
		376	#endif
		377
361	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	381	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
369	# else	386	# else
…		…
372	# endif	389	# endif
373	#endif	390	#endif
374		391
375	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	392	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
376		393
377	#ifdef _AIX
378	/* AIX has a completely broken poll.h header */
379	# undef EV_USE_POLL
380	# define EV_USE_POLL 0
381	#endif
382
383	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
384	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
385	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
386	#endif	397	#endif
387		398
…		…
395	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
396	#endif	407	#endif
397		408
398	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
399	/* hp-ux has it in sys/time.h, which we unconditionally include above */	410	/* hp-ux has it in sys/time.h, which we unconditionally include above */
400	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
401	# include <sys/select.h>	412	# include <sys/select.h>
402	# endif	413	# endif
403	#endif	414	#endif
404		415
405	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
408	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	419	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
412	# endif	423	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	424	#endif
418		425
419	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
420	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421	# include <stdint.h>	428	# include <stdint.h>
…		…
507	*/	514	*/
508		515
509	#ifndef ECB_H	516	#ifndef ECB_H
510	#define ECB_H	517	#define ECB_H
511		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
512	#ifdef _WIN32	522	#ifdef _WIN32
513	typedef signed char int8_t;	523	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	525	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
525	#endif	535	#endif
		536	#ifdef _WIN64
		537	#define ECB_PTRSIZE 8
		538	typedef uint64_t uintptr_t;
		539	typedef int64_t intptr_t;
		540	#else
		541	#define ECB_PTRSIZE 4
		542	typedef uint32_t uintptr_t;
		543	typedef int32_t intptr_t;
		544	#endif
526	#else	545	#else
527	#include <inttypes.h>	546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
		552	#endif
		553
		554	/* work around x32 idiocy by defining proper macros */
		555	#if __x86_64 || _M_AMD64
		556	#if __ILP32
		557	#define ECB_AMD64_X32 1
		558	#else
		559	#define ECB_AMD64 1
		560	#endif
528	#endif	561	#endif
529		562
530	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
533	* or so.	566	* or so.
534	* we try to detect these and simply assume they are not gcc - if they have	567	* we try to detect these and simply assume they are not gcc - if they have
535	* an issue with that they should have done it right in the first place.	568	* an issue with that they should have done it right in the first place.
536	*/	569	*/
537	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
538	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
540	#else	573	#else
541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542	#endif	575	#endif
543	#endif	576	#endif
544		577
		578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		581	#define ECB_CPP (__cplusplus+0)
		582	#define ECB_CPP11 (__cplusplus >= 201103L)
		583
		584	#if ECB_CPP
		585	#define ECB_EXTERN_C extern "C"
		586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		587	#define ECB_EXTERN_C_END }
		588	#else
		589	#define ECB_EXTERN_C extern
		590	#define ECB_EXTERN_C_BEG
		591	#define ECB_EXTERN_C_END
		592	#endif
		593
545	/*****************************************************************************/	594	/*****************************************************************************/
546		595
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		598
550	#if ECB_NO_THREADS	599	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	600	#define ECB_NO_SMP 1
552	#endif	601	#endif
553		602
554	#if ECB_NO_THREADS || ECB_NO_SMP	603	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	605	#endif
557		606
558	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	609	#if __i386 || __i386__
561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
567	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576	#elif __sparc || __sparc__	625	#elif __sparc || __sparc__
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined(__s390__) || defined(__s390x__)	629	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		632	/* GNU/Linux emulates sync on mips1 architectures, so we force it's use */
		633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		635	#elif defined __alpha__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		637	#elif defined __hppa__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		640	#elif defined __ia64__
		641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		642	#elif defined __m68k__
		643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		644	#elif defined __m88k__
		645	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		646	#elif defined __sh__
		647	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
582	#endif	648	#endif
583	#endif	649	#endif
584	#endif	650	#endif
585		651
586	#ifndef ECB_MEMORY_FENCE	652	#ifndef ECB_MEMORY_FENCE
		653	#if ECB_GCC_VERSION(4,7)
		654	/* see comment below (stdatomic.h) about the C11 memory model. */
		655	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		656
		657	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		658	* without risking compile time errors with other compilers. We *could*
		659	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		660	* around this shit time and again.
		661	* #elif defined __clang && __has_feature (cxx_atomic)
		662	* // see comment below (stdatomic.h) about the C11 memory model.
		663	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		664	*/
		665
587	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588	#define ECB_MEMORY_FENCE __sync_synchronize ()	667	#define ECB_MEMORY_FENCE __sync_synchronize ()
589	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
590	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
591	#elif _MSC_VER >= 1400 /* VC++ 2005 */	668	#elif _MSC_VER >= 1400 /* VC++ 2005 */
592	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	671	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
595	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596	#elif defined(_WIN32)	673	#elif defined _WIN32
597	#include <WinNT.h>	674	#include <WinNT.h>
598	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	675	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	676	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600	#include <mbarrier.h>	677	#include <mbarrier.h>
601	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	678	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
602	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	679	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	680	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		681	#elif __xlC__
		682	#define ECB_MEMORY_FENCE __sync ()
		683	#endif
		684	#endif
		685
		686	#ifndef ECB_MEMORY_FENCE
		687	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		688	/* we assume that these memory fences work on all variables/all memory accesses, */
		689	/* not just C11 atomics and atomic accesses */
		690	#include <stdatomic.h>
		691	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		692	/* any fence other than seq_cst, which isn't very efficient for us. */
		693	/* Why that is, we don't know - either the C11 memory model is quite useless */
		694	/* for most usages, or gcc and clang have a bug */
		695	/* I *currently* lean towards the latter, and inefficiently implement */
		696	/* all three of ecb's fences as a seq_cst fence */
		697	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
604	#endif	698	#endif
605	#endif	699	#endif
606		700
607	#ifndef ECB_MEMORY_FENCE	701	#ifndef ECB_MEMORY_FENCE
608	#if !ECB_AVOID_PTHREADS	702	#if !ECB_AVOID_PTHREADS
…		…
620	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	714	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	715	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
622	#endif	716	#endif
623	#endif	717	#endif
624		718
625	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	719	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	720	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627	#endif	721	#endif
628		722
629	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	723	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631	#endif	725	#endif
632		726
633	/*****************************************************************************/	727	/*****************************************************************************/
634
635	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
636		728
637	#if __cplusplus	729	#if __cplusplus
638	#define ecb_inline static inline	730	#define ecb_inline static inline
639	#elif ECB_GCC_VERSION(2,5)	731	#elif ECB_GCC_VERSION(2,5)
640	#define ecb_inline static __inline__	732	#define ecb_inline static __inline__
…		…
679	#elif ECB_GCC_VERSION(3,0)	771	#elif ECB_GCC_VERSION(3,0)
680	#define ecb_decltype(x) __typeof(x)	772	#define ecb_decltype(x) __typeof(x)
681	#endif	773	#endif
682		774
683	#define ecb_noinline ecb_attribute ((__noinline__))	775	#define ecb_noinline ecb_attribute ((__noinline__))
684	#define ecb_noreturn ecb_attribute ((__noreturn__))
685	#define ecb_unused ecb_attribute ((__unused__))	776	#define ecb_unused ecb_attribute ((__unused__))
686	#define ecb_const ecb_attribute ((__const__))	777	#define ecb_const ecb_attribute ((__const__))
687	#define ecb_pure ecb_attribute ((__pure__))	778	#define ecb_pure ecb_attribute ((__pure__))
		779
		780	#if ECB_C11
		781	#define ecb_noreturn _Noreturn
		782	#else
		783	#define ecb_noreturn ecb_attribute ((__noreturn__))
		784	#endif
688		785
689	#if ECB_GCC_VERSION(4,3)	786	#if ECB_GCC_VERSION(4,3)
690	#define ecb_artificial ecb_attribute ((__artificial__))	787	#define ecb_artificial ecb_attribute ((__artificial__))
691	#define ecb_hot ecb_attribute ((__hot__))	788	#define ecb_hot ecb_attribute ((__hot__))
692	#define ecb_cold ecb_attribute ((__cold__))	789	#define ecb_cold ecb_attribute ((__cold__))
…		…
783		880
784	return r + ecb_ld32 (x);	881	return r + ecb_ld32 (x);
785	}	882	}
786	#endif	883	#endif
787		884
		885	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		886	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		887	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		888	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		889
788	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	890	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
789	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	891	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
790	{	892	{
791	return ( (x * 0x0802U & 0x22110U)	893	return ( (x * 0x0802U & 0x22110U)
792	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	894	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
876	ecb_inline void ecb_unreachable (void) ecb_noreturn;	978	ecb_inline void ecb_unreachable (void) ecb_noreturn;
877	ecb_inline void ecb_unreachable (void) { }	979	ecb_inline void ecb_unreachable (void) { }
878	#endif	980	#endif
879		981
880	/* try to tell the compiler that some condition is definitely true */	982	/* try to tell the compiler that some condition is definitely true */
881	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
882		984
883	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
884	ecb_inline unsigned char	986	ecb_inline unsigned char
885	ecb_byteorder_helper (void)	987	ecb_byteorder_helper (void)
886	{	988	{
887	const uint32_t u = 0x11223344;	989	/* the union code still generates code under pressure in gcc, */
888	return *(unsigned char *)&u;	990	/* but less than using pointers, and always seems to */
		991	/* successfully return a constant. */
		992	/* the reason why we have this horrible preprocessor mess */
		993	/* is to avoid it in all cases, at least on common architectures */
		994	/* or when using a recent enough gcc version (>= 4.6) */
		995	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		996	return 0x44;
		997	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		998	return 0x44;
		999	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1000	return 0x11;
		1001	#else
		1002	union
		1003	{
		1004	uint32_t i;
		1005	uint8_t c;
		1006	} u = { 0x11223344 };
		1007	return u.c;
		1008	#endif
889	}	1009	}
890		1010
891	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
892	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1012	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
893	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
924	}	1044	}
925	#else	1045	#else
926	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
927	#endif	1047	#endif
928		1048
		1049	/*******************************************************************************/
		1050	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1051
		1052	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1053	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1054	#if 0 \
		1055	|| __i386 || __i386__ \
		1056	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1057	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1058	|| defined __arm__ && defined __ARM_EABI__ \
		1059	|| defined __s390__ || defined __s390x__ \
		1060	|| defined __mips__ \
		1061	|| defined __alpha__ \
		1062	|| defined __hppa__ \
		1063	|| defined __ia64__ \
		1064	|| defined __m68k__ \
		1065	|| defined __m88k__ \
		1066	|| defined __sh__ \
		1067	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1068	#define ECB_STDFP 1
		1069	#include <string.h> /* for memcpy */
		1070	#else
		1071	#define ECB_STDFP 0
		1072	#include <math.h> /* for frexp*, ldexp* */
		1073	#endif
		1074
		1075	#ifndef ECB_NO_LIBM
		1076
		1077	/* convert a float to ieee single/binary32 */
		1078	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1079	ecb_function_ uint32_t
		1080	ecb_float_to_binary32 (float x)
		1081	{
		1082	uint32_t r;
		1083
		1084	#if ECB_STDFP
		1085	memcpy (&r, &x, 4);
		1086	#else
		1087	/* slow emulation, works for anything but -0 */
		1088	uint32_t m;
		1089	int e;
		1090
		1091	if (x == 0e0f ) return 0x00000000U;
		1092	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1093	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1094	if (x != x ) return 0x7fbfffffU;
		1095
		1096	m = frexpf (x, &e) * 0x1000000U;
		1097
		1098	r = m & 0x80000000U;
		1099
		1100	if (r)
		1101	m = -m;
		1102
		1103	if (e <= -126)
		1104	{
		1105	m &= 0xffffffU;
		1106	m >>= (-125 - e);
		1107	e = -126;
		1108	}
		1109
		1110	r |= (e + 126) << 23;
		1111	r |= m & 0x7fffffU;
		1112	#endif
		1113
		1114	return r;
		1115	}
		1116
		1117	/* converts an ieee single/binary32 to a float */
		1118	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1119	ecb_function_ float
		1120	ecb_binary32_to_float (uint32_t x)
		1121	{
		1122	float r;
		1123
		1124	#if ECB_STDFP
		1125	memcpy (&r, &x, 4);
		1126	#else
		1127	/* emulation, only works for normals and subnormals and +0 */
		1128	int neg = x >> 31;
		1129	int e = (x >> 23) & 0xffU;
		1130
		1131	x &= 0x7fffffU;
		1132
		1133	if (e)
		1134	x |= 0x800000U;
		1135	else
		1136	e = 1;
		1137
		1138	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1139	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1140
		1141	r = neg ? -r : r;
		1142	#endif
		1143
		1144	return r;
		1145	}
		1146
		1147	/* convert a double to ieee double/binary64 */
		1148	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1149	ecb_function_ uint64_t
		1150	ecb_double_to_binary64 (double x)
		1151	{
		1152	uint64_t r;
		1153
		1154	#if ECB_STDFP
		1155	memcpy (&r, &x, 8);
		1156	#else
		1157	/* slow emulation, works for anything but -0 */
		1158	uint64_t m;
		1159	int e;
		1160
		1161	if (x == 0e0 ) return 0x0000000000000000U;
		1162	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1163	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1164	if (x != x ) return 0X7ff7ffffffffffffU;
		1165
		1166	m = frexp (x, &e) * 0x20000000000000U;
		1167
		1168	r = m & 0x8000000000000000;;
		1169
		1170	if (r)
		1171	m = -m;
		1172
		1173	if (e <= -1022)
		1174	{
		1175	m &= 0x1fffffffffffffU;
		1176	m >>= (-1021 - e);
		1177	e = -1022;
		1178	}
		1179
		1180	r |= ((uint64_t)(e + 1022)) << 52;
		1181	r |= m & 0xfffffffffffffU;
		1182	#endif
		1183
		1184	return r;
		1185	}
		1186
		1187	/* converts an ieee double/binary64 to a double */
		1188	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1189	ecb_function_ double
		1190	ecb_binary64_to_double (uint64_t x)
		1191	{
		1192	double r;
		1193
		1194	#if ECB_STDFP
		1195	memcpy (&r, &x, 8);
		1196	#else
		1197	/* emulation, only works for normals and subnormals and +0 */
		1198	int neg = x >> 63;
		1199	int e = (x >> 52) & 0x7ffU;
		1200
		1201	x &= 0xfffffffffffffU;
		1202
		1203	if (e)
		1204	x |= 0x10000000000000U;
		1205	else
		1206	e = 1;
		1207
		1208	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1209	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1210
		1211	r = neg ? -r : r;
		1212	#endif
		1213
		1214	return r;
		1215	}
		1216
		1217	#endif
		1218
929	#endif	1219	#endif
930		1220
931	/* ECB.H END */	1221	/* ECB.H END */
932		1222
933	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1223	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1099	{	1389	{
1100	write (STDERR_FILENO, msg, strlen (msg));	1390	write (STDERR_FILENO, msg, strlen (msg));
1101	}	1391	}
1102	#endif	1392	#endif
1103		1393
1104	static void (*syserr_cb)(const char *msg);	1394	static void (*syserr_cb)(const char *msg) EV_THROW;
1105		1395
1106	void ecb_cold	1396	void ecb_cold
1107	ev_set_syserr_cb (void (*cb)(const char *msg))	1397	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1108	{	1398	{
1109	syserr_cb = cb;	1399	syserr_cb = cb;
1110	}	1400	}
1111		1401
1112	static void noinline ecb_cold	1402	static void noinline ecb_cold
…		…
1130	abort ();	1420	abort ();
1131	}	1421	}
1132	}	1422	}
1133		1423
1134	static void *	1424	static void *
1135	ev_realloc_emul (void *ptr, long size)	1425	ev_realloc_emul (void *ptr, long size) EV_THROW
1136	{	1426	{
1137	#if __GLIBC__
1138	return realloc (ptr, size);
1139	#else
1140	/* some systems, notably openbsd and darwin, fail to properly	1427	/* some systems, notably openbsd and darwin, fail to properly
1141	* implement realloc (x, 0) (as required by both ansi c-89 and	1428	* implement realloc (x, 0) (as required by both ansi c-89 and
1142	* the single unix specification, so work around them here.	1429	* the single unix specification, so work around them here.
		1430	* recently, also (at least) fedora and debian started breaking it,
		1431	* despite documenting it otherwise.
1143	*/	1432	*/
1144		1433
1145	if (size)	1434	if (size)
1146	return realloc (ptr, size);	1435	return realloc (ptr, size);
1147		1436
1148	free (ptr);	1437	free (ptr);
1149	return 0;	1438	return 0;
1150	#endif
1151	}	1439	}
1152		1440
1153	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1441	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154		1442
1155	void ecb_cold	1443	void ecb_cold
1156	ev_set_allocator (void *(*cb)(void *ptr, long size))	1444	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1157	{	1445	{
1158	alloc = cb;	1446	alloc = cb;
1159	}	1447	}
1160		1448
1161	inline_speed void *	1449	inline_speed void *
…		…
1278		1566
1279	/*****************************************************************************/	1567	/*****************************************************************************/
1280		1568
1281	#ifndef EV_HAVE_EV_TIME	1569	#ifndef EV_HAVE_EV_TIME
1282	ev_tstamp	1570	ev_tstamp
1283	ev_time (void)	1571	ev_time (void) EV_THROW
1284	{	1572	{
1285	#if EV_USE_REALTIME	1573	#if EV_USE_REALTIME
1286	if (expect_true (have_realtime))	1574	if (expect_true (have_realtime))
1287	{	1575	{
1288	struct timespec ts;	1576	struct timespec ts;
…		…
1312	return ev_time ();	1600	return ev_time ();
1313	}	1601	}
1314		1602
1315	#if EV_MULTIPLICITY	1603	#if EV_MULTIPLICITY
1316	ev_tstamp	1604	ev_tstamp
1317	ev_now (EV_P)	1605	ev_now (EV_P) EV_THROW
1318	{	1606	{
1319	return ev_rt_now;	1607	return ev_rt_now;
1320	}	1608	}
1321	#endif	1609	#endif
1322		1610
1323	void	1611	void
1324	ev_sleep (ev_tstamp delay)	1612	ev_sleep (ev_tstamp delay) EV_THROW
1325	{	1613	{
1326	if (delay > 0.)	1614	if (delay > 0.)
1327	{	1615	{
1328	#if EV_USE_NANOSLEEP	1616	#if EV_USE_NANOSLEEP
1329	struct timespec ts;	1617	struct timespec ts;
1330		1618
1331	EV_TS_SET (ts, delay);	1619	EV_TS_SET (ts, delay);
1332	nanosleep (&ts, 0);	1620	nanosleep (&ts, 0);
1333	#elif defined(_WIN32)	1621	#elif defined _WIN32
1334	Sleep ((unsigned long)(delay * 1e3));	1622	Sleep ((unsigned long)(delay * 1e3));
1335	#else	1623	#else
1336	struct timeval tv;	1624	struct timeval tv;
1337		1625
1338	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1626	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1410	pendingcb (EV_P_ ev_prepare *w, int revents)	1698	pendingcb (EV_P_ ev_prepare *w, int revents)
1411	{	1699	{
1412	}	1700	}
1413		1701
1414	void noinline	1702	void noinline
1415	ev_feed_event (EV_P_ void *w, int revents)	1703	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416	{	1704	{
1417	W w_ = (W)w;	1705	W w_ = (W)w;
1418	int pri = ABSPRI (w_);	1706	int pri = ABSPRI (w_);
1419		1707
1420	if (expect_false (w_->pending))	1708	if (expect_false (w_->pending))
…		…
1424	w_->pending = ++pendingcnt [pri];	1712	w_->pending = ++pendingcnt [pri];
1425	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1713	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426	pendings [pri][w_->pending - 1].w = w_;	1714	pendings [pri][w_->pending - 1].w = w_;
1427	pendings [pri][w_->pending - 1].events = revents;	1715	pendings [pri][w_->pending - 1].events = revents;
1428	}	1716	}
		1717
		1718	pendingpri = NUMPRI - 1;
1429	}	1719	}
1430		1720
1431	inline_speed void	1721	inline_speed void
1432	feed_reverse (EV_P_ W w)	1722	feed_reverse (EV_P_ W w)
1433	{	1723	{
…		…
1479	if (expect_true (!anfd->reify))	1769	if (expect_true (!anfd->reify))
1480	fd_event_nocheck (EV_A_ fd, revents);	1770	fd_event_nocheck (EV_A_ fd, revents);
1481	}	1771	}
1482		1772
1483	void	1773	void
1484	ev_feed_fd_event (EV_P_ int fd, int revents)	1774	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485	{	1775	{
1486	if (fd >= 0 && fd < anfdmax)	1776	if (fd >= 0 && fd < anfdmax)
1487	fd_event_nocheck (EV_A_ fd, revents);	1777	fd_event_nocheck (EV_A_ fd, revents);
1488	}	1778	}
1489		1779
…		…
1808	static void noinline ecb_cold	2098	static void noinline ecb_cold
1809	evpipe_init (EV_P)	2099	evpipe_init (EV_P)
1810	{	2100	{
1811	if (!ev_is_active (&pipe_w))	2101	if (!ev_is_active (&pipe_w))
1812	{	2102	{
		2103	int fds [2];
		2104
1813	# if EV_USE_EVENTFD	2105	# if EV_USE_EVENTFD
		2106	fds [0] = -1;
1814	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2107	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1815	if (evfd < 0 && errno == EINVAL)	2108	if (fds [1] < 0 && errno == EINVAL)
1816	evfd = eventfd (0, 0);	2109	fds [1] = eventfd (0, 0);
1817		2110
1818	if (evfd >= 0)	2111	if (fds [1] < 0)
		2112	# endif
1819	{	2113	{
		2114	while (pipe (fds))
		2115	ev_syserr ("(libev) error creating signal/async pipe");
		2116
		2117	fd_intern (fds [0]);
		2118	}
		2119
1820	evpipe [0] = -1;	2120	evpipe [0] = fds [0];
1821	fd_intern (evfd); /* doing it twice doesn't hurt */	2121
1822	ev_io_set (&pipe_w, evfd, EV_READ);	2122	if (evpipe [1] < 0)
		2123	evpipe [1] = fds [1]; /* first call, set write fd */
		2124	else
		2125	{
		2126	/* on subsequent calls, do not change evpipe [1] */
		2127	/* so that evpipe_write can always rely on its value. */
		2128	/* this branch does not do anything sensible on windows, */
		2129	/* so must not be executed on windows */
		2130
		2131	dup2 (fds [1], evpipe [1]);
		2132	close (fds [1]);
		2133	}
		2134
		2135	fd_intern (evpipe [1]);
		2136
		2137	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2138	ev_io_start (EV_A_ &pipe_w);
		2139	ev_unref (EV_A); /* watcher should not keep loop alive */
		2140	}
		2141	}
		2142
		2143	inline_speed void
		2144	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2145	{
		2146	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2147
		2148	if (expect_true (*flag))
		2149	return;
		2150
		2151	*flag = 1;
		2152	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2153
		2154	pipe_write_skipped = 1;
		2155
		2156	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2157
		2158	if (pipe_write_wanted)
		2159	{
		2160	int old_errno;
		2161
		2162	pipe_write_skipped = 0;
		2163	ECB_MEMORY_FENCE_RELEASE;
		2164
		2165	old_errno = errno; /* save errno because write will clobber it */
		2166
		2167	#if EV_USE_EVENTFD
		2168	if (evpipe [0] < 0)
		2169	{
		2170	uint64_t counter = 1;
		2171	write (evpipe [1], &counter, sizeof (uint64_t));
1823	}	2172	}
1824	else	2173	else
1825	# endif	2174	#endif
1826	{	2175	{
1827	while (pipe (evpipe))	2176	#ifdef _WIN32
1828	ev_syserr ("(libev) error creating signal/async pipe");	2177	WSABUF buf;
1829		2178	DWORD sent;
1830	fd_intern (evpipe [0]);	2179	buf.buf = &buf;
1831	fd_intern (evpipe [1]);	2180	buf.len = 1;
1832	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2181	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1833	}	2182	#else
1834
1835	ev_io_start (EV_A_ &pipe_w);
1836	ev_unref (EV_A); /* watcher should not keep loop alive */
1837	}
1838	}
1839
1840	inline_speed void
1841	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842	{
1843	if (expect_true (*flag))
1844	return;
1845
1846	*flag = 1;
1847
1848	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1849
1850	pipe_write_skipped = 1;
1851
1852	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1853
1854	if (pipe_write_wanted)
1855	{
1856	int old_errno;
1857
1858	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1859
1860	old_errno = errno; /* save errno because write will clobber it */
1861
1862	#if EV_USE_EVENTFD
1863	if (evfd >= 0)
1864	{
1865	uint64_t counter = 1;
1866	write (evfd, &counter, sizeof (uint64_t));
1867	}
1868	else
1869	#endif
1870	{
1871	/* win32 people keep sending patches that change this write() to send() */
1872	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1873	/* so when you think this write should be a send instead, please find out */
1874	/* where your send() is from - it's definitely not the microsoft send, and */
1875	/* tell me. thank you. */
1876	write (evpipe [1], &(evpipe [1]), 1);	2183	write (evpipe [1], &(evpipe [1]), 1);
		2184	#endif
1877	}	2185	}
1878		2186
1879	errno = old_errno;	2187	errno = old_errno;
1880	}	2188	}
1881	}	2189	}
…		…
1888	int i;	2196	int i;
1889		2197
1890	if (revents & EV_READ)	2198	if (revents & EV_READ)
1891	{	2199	{
1892	#if EV_USE_EVENTFD	2200	#if EV_USE_EVENTFD
1893	if (evfd >= 0)	2201	if (evpipe [0] < 0)
1894	{	2202	{
1895	uint64_t counter;	2203	uint64_t counter;
1896	read (evfd, &counter, sizeof (uint64_t));	2204	read (evpipe [1], &counter, sizeof (uint64_t));
1897	}	2205	}
1898	else	2206	else
1899	#endif	2207	#endif
1900	{	2208	{
1901	char dummy;	2209	char dummy[4];
1902	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2210	#ifdef _WIN32
		2211	WSABUF buf;
		2212	DWORD recvd;
		2213	DWORD flags = 0;
		2214	buf.buf = dummy;
		2215	buf.len = sizeof (dummy);
		2216	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2217	#else
1903	read (evpipe [0], &dummy, 1);	2218	read (evpipe [0], &dummy, sizeof (dummy));
		2219	#endif
1904	}	2220	}
1905	}	2221	}
1906		2222
1907	pipe_write_skipped = 0;	2223	pipe_write_skipped = 0;
		2224
		2225	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1908		2226
1909	#if EV_SIGNAL_ENABLE	2227	#if EV_SIGNAL_ENABLE
1910	if (sig_pending)	2228	if (sig_pending)
1911	{	2229	{
1912	sig_pending = 0;	2230	sig_pending = 0;
		2231
		2232	ECB_MEMORY_FENCE;
1913		2233
1914	for (i = EV_NSIG - 1; i--; )	2234	for (i = EV_NSIG - 1; i--; )
1915	if (expect_false (signals [i].pending))	2235	if (expect_false (signals [i].pending))
1916	ev_feed_signal_event (EV_A_ i + 1);	2236	ev_feed_signal_event (EV_A_ i + 1);
1917	}	2237	}
…		…
1919		2239
1920	#if EV_ASYNC_ENABLE	2240	#if EV_ASYNC_ENABLE
1921	if (async_pending)	2241	if (async_pending)
1922	{	2242	{
1923	async_pending = 0;	2243	async_pending = 0;
		2244
		2245	ECB_MEMORY_FENCE;
1924		2246
1925	for (i = asynccnt; i--; )	2247	for (i = asynccnt; i--; )
1926	if (asyncs [i]->sent)	2248	if (asyncs [i]->sent)
1927	{	2249	{
1928	asyncs [i]->sent = 0;	2250	asyncs [i]->sent = 0;
		2251	ECB_MEMORY_FENCE_RELEASE;
1929	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2252	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1930	}	2253	}
1931	}	2254	}
1932	#endif	2255	#endif
1933	}	2256	}
1934		2257
1935	/*****************************************************************************/	2258	/*****************************************************************************/
1936		2259
1937	void	2260	void
1938	ev_feed_signal (int signum)	2261	ev_feed_signal (int signum) EV_THROW
1939	{	2262	{
1940	#if EV_MULTIPLICITY	2263	#if EV_MULTIPLICITY
		2264	EV_P;
		2265	ECB_MEMORY_FENCE_ACQUIRE;
1941	EV_P = signals [signum - 1].loop;	2266	EV_A = signals [signum - 1].loop;
1942		2267
1943	if (!EV_A)	2268	if (!EV_A)
1944	return;	2269	return;
1945	#endif	2270	#endif
1946		2271
1947	if (!ev_active (&pipe_w))
1948	return;
1949
1950	signals [signum - 1].pending = 1;	2272	signals [signum - 1].pending = 1;
1951	evpipe_write (EV_A_ &sig_pending);	2273	evpipe_write (EV_A_ &sig_pending);
1952	}	2274	}
1953		2275
1954	static void	2276	static void
…		…
1960		2282
1961	ev_feed_signal (signum);	2283	ev_feed_signal (signum);
1962	}	2284	}
1963		2285
1964	void noinline	2286	void noinline
1965	ev_feed_signal_event (EV_P_ int signum)	2287	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1966	{	2288	{
1967	WL w;	2289	WL w;
1968		2290
1969	if (expect_false (signum <= 0 || signum > EV_NSIG))	2291	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1970	return;	2292	return;
1971		2293
1972	--signum;	2294	--signum;
1973		2295
1974	#if EV_MULTIPLICITY	2296	#if EV_MULTIPLICITY
…		…
1978	if (expect_false (signals [signum].loop != EV_A))	2300	if (expect_false (signals [signum].loop != EV_A))
1979	return;	2301	return;
1980	#endif	2302	#endif
1981		2303
1982	signals [signum].pending = 0;	2304	signals [signum].pending = 0;
		2305	ECB_MEMORY_FENCE_RELEASE;
1983		2306
1984	for (w = signals [signum].head; w; w = w->next)	2307	for (w = signals [signum].head; w; w = w->next)
1985	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2308	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1986	}	2309	}
1987		2310
…		…
2086	#if EV_USE_SELECT	2409	#if EV_USE_SELECT
2087	# include "ev_select.c"	2410	# include "ev_select.c"
2088	#endif	2411	#endif
2089		2412
2090	int ecb_cold	2413	int ecb_cold
2091	ev_version_major (void)	2414	ev_version_major (void) EV_THROW
2092	{	2415	{
2093	return EV_VERSION_MAJOR;	2416	return EV_VERSION_MAJOR;
2094	}	2417	}
2095		2418
2096	int ecb_cold	2419	int ecb_cold
2097	ev_version_minor (void)	2420	ev_version_minor (void) EV_THROW
2098	{	2421	{
2099	return EV_VERSION_MINOR;	2422	return EV_VERSION_MINOR;
2100	}	2423	}
2101		2424
2102	/* return true if we are running with elevated privileges and should ignore env variables */	2425	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2110	|| getgid () != getegid ();	2433	|| getgid () != getegid ();
2111	#endif	2434	#endif
2112	}	2435	}
2113		2436
2114	unsigned int ecb_cold	2437	unsigned int ecb_cold
2115	ev_supported_backends (void)	2438	ev_supported_backends (void) EV_THROW
2116	{	2439	{
2117	unsigned int flags = 0;	2440	unsigned int flags = 0;
2118		2441
2119	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2442	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2120	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2443	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2124		2447
2125	return flags;	2448	return flags;
2126	}	2449	}
2127		2450
2128	unsigned int ecb_cold	2451	unsigned int ecb_cold
2129	ev_recommended_backends (void)	2452	ev_recommended_backends (void) EV_THROW
2130	{	2453	{
2131	unsigned int flags = ev_supported_backends ();	2454	unsigned int flags = ev_supported_backends ();
2132		2455
2133	#ifndef __NetBSD__	2456	#ifndef __NetBSD__
2134	/* kqueue is borked on everything but netbsd apparently */	2457	/* kqueue is borked on everything but netbsd apparently */
…		…
2146		2469
2147	return flags;	2470	return flags;
2148	}	2471	}
2149		2472
2150	unsigned int ecb_cold	2473	unsigned int ecb_cold
2151	ev_embeddable_backends (void)	2474	ev_embeddable_backends (void) EV_THROW
2152	{	2475	{
2153	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2476	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2154		2477
2155	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2478	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2156	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2479	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2158		2481
2159	return flags;	2482	return flags;
2160	}	2483	}
2161		2484
2162	unsigned int	2485	unsigned int
2163	ev_backend (EV_P)	2486	ev_backend (EV_P) EV_THROW
2164	{	2487	{
2165	return backend;	2488	return backend;
2166	}	2489	}
2167		2490
2168	#if EV_FEATURE_API	2491	#if EV_FEATURE_API
2169	unsigned int	2492	unsigned int
2170	ev_iteration (EV_P)	2493	ev_iteration (EV_P) EV_THROW
2171	{	2494	{
2172	return loop_count;	2495	return loop_count;
2173	}	2496	}
2174		2497
2175	unsigned int	2498	unsigned int
2176	ev_depth (EV_P)	2499	ev_depth (EV_P) EV_THROW
2177	{	2500	{
2178	return loop_depth;	2501	return loop_depth;
2179	}	2502	}
2180		2503
2181	void	2504	void
2182	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2505	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2183	{	2506	{
2184	io_blocktime = interval;	2507	io_blocktime = interval;
2185	}	2508	}
2186		2509
2187	void	2510	void
2188	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2511	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189	{	2512	{
2190	timeout_blocktime = interval;	2513	timeout_blocktime = interval;
2191	}	2514	}
2192		2515
2193	void	2516	void
2194	ev_set_userdata (EV_P_ void *data)	2517	ev_set_userdata (EV_P_ void *data) EV_THROW
2195	{	2518	{
2196	userdata = data;	2519	userdata = data;
2197	}	2520	}
2198		2521
2199	void *	2522	void *
2200	ev_userdata (EV_P)	2523	ev_userdata (EV_P) EV_THROW
2201	{	2524	{
2202	return userdata;	2525	return userdata;
2203	}	2526	}
2204		2527
2205	void	2528	void
2206	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2529	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2207	{	2530	{
2208	invoke_cb = invoke_pending_cb;	2531	invoke_cb = invoke_pending_cb;
2209	}	2532	}
2210		2533
2211	void	2534	void
2212	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2535	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2213	{	2536	{
2214	release_cb = release;	2537	release_cb = release;
2215	acquire_cb = acquire;	2538	acquire_cb = acquire;
2216	}	2539	}
2217	#endif	2540	#endif
2218		2541
2219	/* initialise a loop structure, must be zero-initialised */	2542	/* initialise a loop structure, must be zero-initialised */
2220	static void noinline ecb_cold	2543	static void noinline ecb_cold
2221	loop_init (EV_P_ unsigned int flags)	2544	loop_init (EV_P_ unsigned int flags) EV_THROW
2222	{	2545	{
2223	if (!backend)	2546	if (!backend)
2224	{	2547	{
2225	origflags = flags;	2548	origflags = flags;
2226		2549
…		…
2271	#if EV_ASYNC_ENABLE	2594	#if EV_ASYNC_ENABLE
2272	async_pending = 0;	2595	async_pending = 0;
2273	#endif	2596	#endif
2274	pipe_write_skipped = 0;	2597	pipe_write_skipped = 0;
2275	pipe_write_wanted = 0;	2598	pipe_write_wanted = 0;
		2599	evpipe [0] = -1;
		2600	evpipe [1] = -1;
2276	#if EV_USE_INOTIFY	2601	#if EV_USE_INOTIFY
2277	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2602	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2278	#endif	2603	#endif
2279	#if EV_USE_SIGNALFD	2604	#if EV_USE_SIGNALFD
2280	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2605	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2331	EV_INVOKE_PENDING;	2656	EV_INVOKE_PENDING;
2332	}	2657	}
2333	#endif	2658	#endif
2334		2659
2335	#if EV_CHILD_ENABLE	2660	#if EV_CHILD_ENABLE
2336	if (ev_is_active (&childev))	2661	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2337	{	2662	{
2338	ev_ref (EV_A); /* child watcher */	2663	ev_ref (EV_A); /* child watcher */
2339	ev_signal_stop (EV_A_ &childev);	2664	ev_signal_stop (EV_A_ &childev);
2340	}	2665	}
2341	#endif	2666	#endif
…		…
2343	if (ev_is_active (&pipe_w))	2668	if (ev_is_active (&pipe_w))
2344	{	2669	{
2345	/*ev_ref (EV_A);*/	2670	/*ev_ref (EV_A);*/
2346	/*ev_io_stop (EV_A_ &pipe_w);*/	2671	/*ev_io_stop (EV_A_ &pipe_w);*/
2347		2672
2348	#if EV_USE_EVENTFD
2349	if (evfd >= 0)
2350	close (evfd);
2351	#endif
2352
2353	if (evpipe [0] >= 0)
2354	{
2355	EV_WIN32_CLOSE_FD (evpipe [0]);	2673	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2356	EV_WIN32_CLOSE_FD (evpipe [1]);	2674	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2357	}
2358	}	2675	}
2359		2676
2360	#if EV_USE_SIGNALFD	2677	#if EV_USE_SIGNALFD
2361	if (ev_is_active (&sigfd_w))	2678	if (ev_is_active (&sigfd_w))
2362	close (sigfd);	2679	close (sigfd);
…		…
2448	#endif	2765	#endif
2449	#if EV_USE_INOTIFY	2766	#if EV_USE_INOTIFY
2450	infy_fork (EV_A);	2767	infy_fork (EV_A);
2451	#endif	2768	#endif
2452		2769
		2770	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2453	if (ev_is_active (&pipe_w))	2771	if (ev_is_active (&pipe_w))
2454	{	2772	{
2455	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2773	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2456		2774
2457	ev_ref (EV_A);	2775	ev_ref (EV_A);
2458	ev_io_stop (EV_A_ &pipe_w);	2776	ev_io_stop (EV_A_ &pipe_w);
2459		2777
2460	#if EV_USE_EVENTFD
2461	if (evfd >= 0)
2462	close (evfd);
2463	#endif
2464
2465	if (evpipe [0] >= 0)	2778	if (evpipe [0] >= 0)
2466	{
2467	EV_WIN32_CLOSE_FD (evpipe [0]);	2779	EV_WIN32_CLOSE_FD (evpipe [0]);
2468	EV_WIN32_CLOSE_FD (evpipe [1]);
2469	}
2470		2780
2471	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2472	evpipe_init (EV_A);	2781	evpipe_init (EV_A);
2473	/* now iterate over everything, in case we missed something */	2782	/* iterate over everything, in case we missed something before */
2474	pipecb (EV_A_ &pipe_w, EV_READ);	2783	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2475	#endif
2476	}	2784	}
		2785	#endif
2477		2786
2478	postfork = 0;	2787	postfork = 0;
2479	}	2788	}
2480		2789
2481	#if EV_MULTIPLICITY	2790	#if EV_MULTIPLICITY
2482		2791
2483	struct ev_loop * ecb_cold	2792	struct ev_loop * ecb_cold
2484	ev_loop_new (unsigned int flags)	2793	ev_loop_new (unsigned int flags) EV_THROW
2485	{	2794	{
2486	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2795	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2487		2796
2488	memset (EV_A, 0, sizeof (struct ev_loop));	2797	memset (EV_A, 0, sizeof (struct ev_loop));
2489	loop_init (EV_A_ flags);	2798	loop_init (EV_A_ flags);
…		…
2533	}	2842	}
2534	#endif	2843	#endif
2535		2844
2536	#if EV_FEATURE_API	2845	#if EV_FEATURE_API
2537	void ecb_cold	2846	void ecb_cold
2538	ev_verify (EV_P)	2847	ev_verify (EV_P) EV_THROW
2539	{	2848	{
2540	#if EV_VERIFY	2849	#if EV_VERIFY
2541	int i;	2850	int i;
2542	WL w;	2851	WL w, w2;
2543		2852
2544	assert (activecnt >= -1);	2853	assert (activecnt >= -1);
2545		2854
2546	assert (fdchangemax >= fdchangecnt);	2855	assert (fdchangemax >= fdchangecnt);
2547	for (i = 0; i < fdchangecnt; ++i)	2856	for (i = 0; i < fdchangecnt; ++i)
2548	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2857	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2549		2858
2550	assert (anfdmax >= 0);	2859	assert (anfdmax >= 0);
2551	for (i = 0; i < anfdmax; ++i)	2860	for (i = 0; i < anfdmax; ++i)
		2861	{
		2862	int j = 0;
		2863
2552	for (w = anfds [i].head; w; w = w->next)	2864	for (w = w2 = anfds [i].head; w; w = w->next)
2553	{	2865	{
2554	verify_watcher (EV_A_ (W)w);	2866	verify_watcher (EV_A_ (W)w);
		2867
		2868	if (j++ & 1)
		2869	{
		2870	assert (("libev: io watcher list contains a loop", w != w2));
		2871	w2 = w2->next;
		2872	}
		2873
2555	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2874	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2556	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2875	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2557	}	2876	}
		2877	}
2558		2878
2559	assert (timermax >= timercnt);	2879	assert (timermax >= timercnt);
2560	verify_heap (EV_A_ timers, timercnt);	2880	verify_heap (EV_A_ timers, timercnt);
2561		2881
2562	#if EV_PERIODIC_ENABLE	2882	#if EV_PERIODIC_ENABLE
…		…
2612	#if EV_MULTIPLICITY	2932	#if EV_MULTIPLICITY
2613	struct ev_loop * ecb_cold	2933	struct ev_loop * ecb_cold
2614	#else	2934	#else
2615	int	2935	int
2616	#endif	2936	#endif
2617	ev_default_loop (unsigned int flags)	2937	ev_default_loop (unsigned int flags) EV_THROW
2618	{	2938	{
2619	if (!ev_default_loop_ptr)	2939	if (!ev_default_loop_ptr)
2620	{	2940	{
2621	#if EV_MULTIPLICITY	2941	#if EV_MULTIPLICITY
2622	EV_P = ev_default_loop_ptr = &default_loop_struct;	2942	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2641		2961
2642	return ev_default_loop_ptr;	2962	return ev_default_loop_ptr;
2643	}	2963	}
2644		2964
2645	void	2965	void
2646	ev_loop_fork (EV_P)	2966	ev_loop_fork (EV_P) EV_THROW
2647	{	2967	{
2648	postfork = 1; /* must be in line with ev_default_fork */	2968	postfork = 1;
2649	}	2969	}
2650		2970
2651	/*****************************************************************************/	2971	/*****************************************************************************/
2652		2972
2653	void	2973	void
…		…
2655	{	2975	{
2656	EV_CB_INVOKE ((W)w, revents);	2976	EV_CB_INVOKE ((W)w, revents);
2657	}	2977	}
2658		2978
2659	unsigned int	2979	unsigned int
2660	ev_pending_count (EV_P)	2980	ev_pending_count (EV_P) EV_THROW
2661	{	2981	{
2662	int pri;	2982	int pri;
2663	unsigned int count = 0;	2983	unsigned int count = 0;
2664		2984
2665	for (pri = NUMPRI; pri--; )	2985	for (pri = NUMPRI; pri--; )
…		…
2669	}	2989	}
2670		2990
2671	void noinline	2991	void noinline
2672	ev_invoke_pending (EV_P)	2992	ev_invoke_pending (EV_P)
2673	{	2993	{
2674	int pri;	2994	pendingpri = NUMPRI;
2675		2995
2676	for (pri = NUMPRI; pri--; )	2996	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2997	{
		2998	--pendingpri;
		2999
2677	while (pendingcnt [pri])	3000	while (pendingcnt [pendingpri])
2678	{	3001	{
2679	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3002	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2680		3003
2681	p->w->pending = 0;	3004	p->w->pending = 0;
2682	EV_CB_INVOKE (p->w, p->events);	3005	EV_CB_INVOKE (p->w, p->events);
2683	EV_FREQUENT_CHECK;	3006	EV_FREQUENT_CHECK;
2684	}	3007	}
		3008	}
2685	}	3009	}
2686		3010
2687	#if EV_IDLE_ENABLE	3011	#if EV_IDLE_ENABLE
2688	/* make idle watchers pending. this handles the "call-idle */	3012	/* make idle watchers pending. this handles the "call-idle */
2689	/* only when higher priorities are idle" logic */	3013	/* only when higher priorities are idle" logic */
…		…
2779	{	3103	{
2780	EV_FREQUENT_CHECK;	3104	EV_FREQUENT_CHECK;
2781		3105
2782	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3106	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2783	{	3107	{
2784	int feed_count = 0;
2785
2786	do	3108	do
2787	{	3109	{
2788	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3110	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2789		3111
2790	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3112	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2924		3246
2925	mn_now = ev_rt_now;	3247	mn_now = ev_rt_now;
2926	}	3248	}
2927	}	3249	}
2928		3250
2929	void	3251	int
2930	ev_run (EV_P_ int flags)	3252	ev_run (EV_P_ int flags)
2931	{	3253	{
2932	#if EV_FEATURE_API	3254	#if EV_FEATURE_API
2933	++loop_depth;	3255	++loop_depth;
2934	#endif	3256	#endif
…		…
3049	backend_poll (EV_A_ waittime);	3371	backend_poll (EV_A_ waittime);
3050	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3372	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3051		3373
3052	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3374	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3053		3375
		3376	ECB_MEMORY_FENCE_ACQUIRE;
3054	if (pipe_write_skipped)	3377	if (pipe_write_skipped)
3055	{	3378	{
3056	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3379	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3057	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3380	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3058	}	3381	}
…		…
3091	loop_done = EVBREAK_CANCEL;	3414	loop_done = EVBREAK_CANCEL;
3092		3415
3093	#if EV_FEATURE_API	3416	#if EV_FEATURE_API
3094	--loop_depth;	3417	--loop_depth;
3095	#endif	3418	#endif
		3419
		3420	return activecnt;
3096	}	3421	}
3097		3422
3098	void	3423	void
3099	ev_break (EV_P_ int how)	3424	ev_break (EV_P_ int how) EV_THROW
3100	{	3425	{
3101	loop_done = how;	3426	loop_done = how;
3102	}	3427	}
3103		3428
3104	void	3429	void
3105	ev_ref (EV_P)	3430	ev_ref (EV_P) EV_THROW
3106	{	3431	{
3107	++activecnt;	3432	++activecnt;
3108	}	3433	}
3109		3434
3110	void	3435	void
3111	ev_unref (EV_P)	3436	ev_unref (EV_P) EV_THROW
3112	{	3437	{
3113	--activecnt;	3438	--activecnt;
3114	}	3439	}
3115		3440
3116	void	3441	void
3117	ev_now_update (EV_P)	3442	ev_now_update (EV_P) EV_THROW
3118	{	3443	{
3119	time_update (EV_A_ 1e100);	3444	time_update (EV_A_ 1e100);
3120	}	3445	}
3121		3446
3122	void	3447	void
3123	ev_suspend (EV_P)	3448	ev_suspend (EV_P) EV_THROW
3124	{	3449	{
3125	ev_now_update (EV_A);	3450	ev_now_update (EV_A);
3126	}	3451	}
3127		3452
3128	void	3453	void
3129	ev_resume (EV_P)	3454	ev_resume (EV_P) EV_THROW
3130	{	3455	{
3131	ev_tstamp mn_prev = mn_now;	3456	ev_tstamp mn_prev = mn_now;
3132		3457
3133	ev_now_update (EV_A);	3458	ev_now_update (EV_A);
3134	timers_reschedule (EV_A_ mn_now - mn_prev);	3459	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3173	w->pending = 0;	3498	w->pending = 0;
3174	}	3499	}
3175	}	3500	}
3176		3501
3177	int	3502	int
3178	ev_clear_pending (EV_P_ void *w)	3503	ev_clear_pending (EV_P_ void *w) EV_THROW
3179	{	3504	{
3180	W w_ = (W)w;	3505	W w_ = (W)w;
3181	int pending = w_->pending;	3506	int pending = w_->pending;
3182		3507
3183	if (expect_true (pending))	3508	if (expect_true (pending))
…		…
3216	}	3541	}
3217		3542
3218	/*****************************************************************************/	3543	/*****************************************************************************/
3219		3544
3220	void noinline	3545	void noinline
3221	ev_io_start (EV_P_ ev_io *w)	3546	ev_io_start (EV_P_ ev_io *w) EV_THROW
3222	{	3547	{
3223	int fd = w->fd;	3548	int fd = w->fd;
3224		3549
3225	if (expect_false (ev_is_active (w)))	3550	if (expect_false (ev_is_active (w)))
3226	return;	3551	return;
…		…
3232		3557
3233	ev_start (EV_A_ (W)w, 1);	3558	ev_start (EV_A_ (W)w, 1);
3234	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3559	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3235	wlist_add (&anfds[fd].head, (WL)w);	3560	wlist_add (&anfds[fd].head, (WL)w);
3236		3561
		3562	/* common bug, apparently */
		3563	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3564
3237	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3565	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3238	w->events &= ~EV__IOFDSET;	3566	w->events &= ~EV__IOFDSET;
3239		3567
3240	EV_FREQUENT_CHECK;	3568	EV_FREQUENT_CHECK;
3241	}	3569	}
3242		3570
3243	void noinline	3571	void noinline
3244	ev_io_stop (EV_P_ ev_io *w)	3572	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3245	{	3573	{
3246	clear_pending (EV_A_ (W)w);	3574	clear_pending (EV_A_ (W)w);
3247	if (expect_false (!ev_is_active (w)))	3575	if (expect_false (!ev_is_active (w)))
3248	return;	3576	return;
3249		3577
…		…
3258		3586
3259	EV_FREQUENT_CHECK;	3587	EV_FREQUENT_CHECK;
3260	}	3588	}
3261		3589
3262	void noinline	3590	void noinline
3263	ev_timer_start (EV_P_ ev_timer *w)	3591	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3264	{	3592	{
3265	if (expect_false (ev_is_active (w)))	3593	if (expect_false (ev_is_active (w)))
3266	return;	3594	return;
3267		3595
3268	ev_at (w) += mn_now;	3596	ev_at (w) += mn_now;
…		…
3282		3610
3283	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3611	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3284	}	3612	}
3285		3613
3286	void noinline	3614	void noinline
3287	ev_timer_stop (EV_P_ ev_timer *w)	3615	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3288	{	3616	{
3289	clear_pending (EV_A_ (W)w);	3617	clear_pending (EV_A_ (W)w);
3290	if (expect_false (!ev_is_active (w)))	3618	if (expect_false (!ev_is_active (w)))
3291	return;	3619	return;
3292		3620
…		…
3312		3640
3313	EV_FREQUENT_CHECK;	3641	EV_FREQUENT_CHECK;
3314	}	3642	}
3315		3643
3316	void noinline	3644	void noinline
3317	ev_timer_again (EV_P_ ev_timer *w)	3645	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3318	{	3646	{
3319	EV_FREQUENT_CHECK;	3647	EV_FREQUENT_CHECK;
3320		3648
3321	clear_pending (EV_A_ (W)w);	3649	clear_pending (EV_A_ (W)w);
3322		3650
…		…
3339		3667
3340	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
3341	}	3669	}
3342		3670
3343	ev_tstamp	3671	ev_tstamp
3344	ev_timer_remaining (EV_P_ ev_timer *w)	3672	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3345	{	3673	{
3346	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3674	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3347	}	3675	}
3348		3676
3349	#if EV_PERIODIC_ENABLE	3677	#if EV_PERIODIC_ENABLE
3350	void noinline	3678	void noinline
3351	ev_periodic_start (EV_P_ ev_periodic *w)	3679	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3352	{	3680	{
3353	if (expect_false (ev_is_active (w)))	3681	if (expect_false (ev_is_active (w)))
3354	return;	3682	return;
3355		3683
3356	if (w->reschedule_cb)	3684	if (w->reschedule_cb)
…		…
3376		3704
3377	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3705	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3378	}	3706	}
3379		3707
3380	void noinline	3708	void noinline
3381	ev_periodic_stop (EV_P_ ev_periodic *w)	3709	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3382	{	3710	{
3383	clear_pending (EV_A_ (W)w);	3711	clear_pending (EV_A_ (W)w);
3384	if (expect_false (!ev_is_active (w)))	3712	if (expect_false (!ev_is_active (w)))
3385	return;	3713	return;
3386		3714
…		…
3404		3732
3405	EV_FREQUENT_CHECK;	3733	EV_FREQUENT_CHECK;
3406	}	3734	}
3407		3735
3408	void noinline	3736	void noinline
3409	ev_periodic_again (EV_P_ ev_periodic *w)	3737	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3410	{	3738	{
3411	/* TODO: use adjustheap and recalculation */	3739	/* TODO: use adjustheap and recalculation */
3412	ev_periodic_stop (EV_A_ w);	3740	ev_periodic_stop (EV_A_ w);
3413	ev_periodic_start (EV_A_ w);	3741	ev_periodic_start (EV_A_ w);
3414	}	3742	}
…		…
3419	#endif	3747	#endif
3420		3748
3421	#if EV_SIGNAL_ENABLE	3749	#if EV_SIGNAL_ENABLE
3422		3750
3423	void noinline	3751	void noinline
3424	ev_signal_start (EV_P_ ev_signal *w)	3752	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3425	{	3753	{
3426	if (expect_false (ev_is_active (w)))	3754	if (expect_false (ev_is_active (w)))
3427	return;	3755	return;
3428		3756
3429	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3757	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3431	#if EV_MULTIPLICITY	3759	#if EV_MULTIPLICITY
3432	assert (("libev: a signal must not be attached to two different loops",	3760	assert (("libev: a signal must not be attached to two different loops",
3433	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3761	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3434		3762
3435	signals [w->signum - 1].loop = EV_A;	3763	signals [w->signum - 1].loop = EV_A;
		3764	ECB_MEMORY_FENCE_RELEASE;
3436	#endif	3765	#endif
3437		3766
3438	EV_FREQUENT_CHECK;	3767	EV_FREQUENT_CHECK;
3439		3768
3440	#if EV_USE_SIGNALFD	3769	#if EV_USE_SIGNALFD
…		…
3500		3829
3501	EV_FREQUENT_CHECK;	3830	EV_FREQUENT_CHECK;
3502	}	3831	}
3503		3832
3504	void noinline	3833	void noinline
3505	ev_signal_stop (EV_P_ ev_signal *w)	3834	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3506	{	3835	{
3507	clear_pending (EV_A_ (W)w);	3836	clear_pending (EV_A_ (W)w);
3508	if (expect_false (!ev_is_active (w)))	3837	if (expect_false (!ev_is_active (w)))
3509	return;	3838	return;
3510		3839
…		…
3541	#endif	3870	#endif
3542		3871
3543	#if EV_CHILD_ENABLE	3872	#if EV_CHILD_ENABLE
3544		3873
3545	void	3874	void
3546	ev_child_start (EV_P_ ev_child *w)	3875	ev_child_start (EV_P_ ev_child *w) EV_THROW
3547	{	3876	{
3548	#if EV_MULTIPLICITY	3877	#if EV_MULTIPLICITY
3549	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3878	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3550	#endif	3879	#endif
3551	if (expect_false (ev_is_active (w)))	3880	if (expect_false (ev_is_active (w)))
…		…
3558		3887
3559	EV_FREQUENT_CHECK;	3888	EV_FREQUENT_CHECK;
3560	}	3889	}
3561		3890
3562	void	3891	void
3563	ev_child_stop (EV_P_ ev_child *w)	3892	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3564	{	3893	{
3565	clear_pending (EV_A_ (W)w);	3894	clear_pending (EV_A_ (W)w);
3566	if (expect_false (!ev_is_active (w)))	3895	if (expect_false (!ev_is_active (w)))
3567	return;	3896	return;
3568		3897
…		…
3595	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3924	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3596		3925
3597	static void noinline	3926	static void noinline
3598	infy_add (EV_P_ ev_stat *w)	3927	infy_add (EV_P_ ev_stat *w)
3599	{	3928	{
3600	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);	3929	w->wd = inotify_add_watch (fs_fd, w->path,
		3930	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3931	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3932	| IN_DONT_FOLLOW | IN_MASK_ADD);
3601		3933
3602	if (w->wd >= 0)	3934	if (w->wd >= 0)
3603	{	3935	{
3604	struct statfs sfs;	3936	struct statfs sfs;
3605		3937
…		…
3609		3941
3610	if (!fs_2625)	3942	if (!fs_2625)
3611	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3943	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3612	else if (!statfs (w->path, &sfs)	3944	else if (!statfs (w->path, &sfs)
3613	&& (sfs.f_type == 0x1373 /* devfs */	3945	&& (sfs.f_type == 0x1373 /* devfs */
		3946	|| sfs.f_type == 0x4006 /* fat */
		3947	|| sfs.f_type == 0x4d44 /* msdos */
3614	|| sfs.f_type == 0xEF53 /* ext2/3 */	3948	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3949	|| sfs.f_type == 0x72b6 /* jffs2 */
		3950	|| sfs.f_type == 0x858458f6 /* ramfs */
		3951	|| sfs.f_type == 0x5346544e /* ntfs */
3615	|| sfs.f_type == 0x3153464a /* jfs */	3952	|| sfs.f_type == 0x3153464a /* jfs */
		3953	|| sfs.f_type == 0x9123683e /* btrfs */
3616	|| sfs.f_type == 0x52654973 /* reiser3 */	3954	|| sfs.f_type == 0x52654973 /* reiser3 */
3617	|| sfs.f_type == 0x01021994 /* tempfs */	3955	|| sfs.f_type == 0x01021994 /* tmpfs */
3618	|| sfs.f_type == 0x58465342 /* xfs */))	3956	|| sfs.f_type == 0x58465342 /* xfs */))
3619	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3957	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3620	else	3958	else
3621	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3959	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3622	}	3960	}
…		…
3735	}	4073	}
3736		4074
3737	inline_size int	4075	inline_size int
3738	infy_newfd (void)	4076	infy_newfd (void)
3739	{	4077	{
3740	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4078	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3741	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4079	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3742	if (fd >= 0)	4080	if (fd >= 0)
3743	return fd;	4081	return fd;
3744	#endif	4082	#endif
3745	return inotify_init ();	4083	return inotify_init ();
…		…
3820	#else	4158	#else
3821	# define EV_LSTAT(p,b) lstat (p, b)	4159	# define EV_LSTAT(p,b) lstat (p, b)
3822	#endif	4160	#endif
3823		4161
3824	void	4162	void
3825	ev_stat_stat (EV_P_ ev_stat *w)	4163	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3826	{	4164	{
3827	if (lstat (w->path, &w->attr) < 0)	4165	if (lstat (w->path, &w->attr) < 0)
3828	w->attr.st_nlink = 0;	4166	w->attr.st_nlink = 0;
3829	else if (!w->attr.st_nlink)	4167	else if (!w->attr.st_nlink)
3830	w->attr.st_nlink = 1;	4168	w->attr.st_nlink = 1;
…		…
3869	ev_feed_event (EV_A_ w, EV_STAT);	4207	ev_feed_event (EV_A_ w, EV_STAT);
3870	}	4208	}
3871	}	4209	}
3872		4210
3873	void	4211	void
3874	ev_stat_start (EV_P_ ev_stat *w)	4212	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3875	{	4213	{
3876	if (expect_false (ev_is_active (w)))	4214	if (expect_false (ev_is_active (w)))
3877	return;	4215	return;
3878		4216
3879	ev_stat_stat (EV_A_ w);	4217	ev_stat_stat (EV_A_ w);
…		…
3900		4238
3901	EV_FREQUENT_CHECK;	4239	EV_FREQUENT_CHECK;
3902	}	4240	}
3903		4241
3904	void	4242	void
3905	ev_stat_stop (EV_P_ ev_stat *w)	4243	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3906	{	4244	{
3907	clear_pending (EV_A_ (W)w);	4245	clear_pending (EV_A_ (W)w);
3908	if (expect_false (!ev_is_active (w)))	4246	if (expect_false (!ev_is_active (w)))
3909	return;	4247	return;
3910		4248
…		…
3926	}	4264	}
3927	#endif	4265	#endif
3928		4266
3929	#if EV_IDLE_ENABLE	4267	#if EV_IDLE_ENABLE
3930	void	4268	void
3931	ev_idle_start (EV_P_ ev_idle *w)	4269	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3932	{	4270	{
3933	if (expect_false (ev_is_active (w)))	4271	if (expect_false (ev_is_active (w)))
3934	return;	4272	return;
3935		4273
3936	pri_adjust (EV_A_ (W)w);	4274	pri_adjust (EV_A_ (W)w);
…		…
3949		4287
3950	EV_FREQUENT_CHECK;	4288	EV_FREQUENT_CHECK;
3951	}	4289	}
3952		4290
3953	void	4291	void
3954	ev_idle_stop (EV_P_ ev_idle *w)	4292	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3955	{	4293	{
3956	clear_pending (EV_A_ (W)w);	4294	clear_pending (EV_A_ (W)w);
3957	if (expect_false (!ev_is_active (w)))	4295	if (expect_false (!ev_is_active (w)))
3958	return;	4296	return;
3959		4297
…		…
3973	}	4311	}
3974	#endif	4312	#endif
3975		4313
3976	#if EV_PREPARE_ENABLE	4314	#if EV_PREPARE_ENABLE
3977	void	4315	void
3978	ev_prepare_start (EV_P_ ev_prepare *w)	4316	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3979	{	4317	{
3980	if (expect_false (ev_is_active (w)))	4318	if (expect_false (ev_is_active (w)))
3981	return;	4319	return;
3982		4320
3983	EV_FREQUENT_CHECK;	4321	EV_FREQUENT_CHECK;
…		…
3988		4326
3989	EV_FREQUENT_CHECK;	4327	EV_FREQUENT_CHECK;
3990	}	4328	}
3991		4329
3992	void	4330	void
3993	ev_prepare_stop (EV_P_ ev_prepare *w)	4331	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3994	{	4332	{
3995	clear_pending (EV_A_ (W)w);	4333	clear_pending (EV_A_ (W)w);
3996	if (expect_false (!ev_is_active (w)))	4334	if (expect_false (!ev_is_active (w)))
3997	return;	4335	return;
3998		4336
…		…
4011	}	4349	}
4012	#endif	4350	#endif
4013		4351
4014	#if EV_CHECK_ENABLE	4352	#if EV_CHECK_ENABLE
4015	void	4353	void
4016	ev_check_start (EV_P_ ev_check *w)	4354	ev_check_start (EV_P_ ev_check *w) EV_THROW
4017	{	4355	{
4018	if (expect_false (ev_is_active (w)))	4356	if (expect_false (ev_is_active (w)))
4019	return;	4357	return;
4020		4358
4021	EV_FREQUENT_CHECK;	4359	EV_FREQUENT_CHECK;
…		…
4026		4364
4027	EV_FREQUENT_CHECK;	4365	EV_FREQUENT_CHECK;
4028	}	4366	}
4029		4367
4030	void	4368	void
4031	ev_check_stop (EV_P_ ev_check *w)	4369	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4032	{	4370	{
4033	clear_pending (EV_A_ (W)w);	4371	clear_pending (EV_A_ (W)w);
4034	if (expect_false (!ev_is_active (w)))	4372	if (expect_false (!ev_is_active (w)))
4035	return;	4373	return;
4036		4374
…		…
4049	}	4387	}
4050	#endif	4388	#endif
4051		4389
4052	#if EV_EMBED_ENABLE	4390	#if EV_EMBED_ENABLE
4053	void noinline	4391	void noinline
4054	ev_embed_sweep (EV_P_ ev_embed *w)	4392	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4055	{	4393	{
4056	ev_run (w->other, EVRUN_NOWAIT);	4394	ev_run (w->other, EVRUN_NOWAIT);
4057	}	4395	}
4058		4396
4059	static void	4397	static void
…		…
4107	ev_idle_stop (EV_A_ idle);	4445	ev_idle_stop (EV_A_ idle);
4108	}	4446	}
4109	#endif	4447	#endif
4110		4448
4111	void	4449	void
4112	ev_embed_start (EV_P_ ev_embed *w)	4450	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4113	{	4451	{
4114	if (expect_false (ev_is_active (w)))	4452	if (expect_false (ev_is_active (w)))
4115	return;	4453	return;
4116		4454
4117	{	4455	{
…		…
4138		4476
4139	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
4140	}	4478	}
4141		4479
4142	void	4480	void
4143	ev_embed_stop (EV_P_ ev_embed *w)	4481	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4144	{	4482	{
4145	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
4146	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
4147	return;	4485	return;
4148		4486
…		…
4158	}	4496	}
4159	#endif	4497	#endif
4160		4498
4161	#if EV_FORK_ENABLE	4499	#if EV_FORK_ENABLE
4162	void	4500	void
4163	ev_fork_start (EV_P_ ev_fork *w)	4501	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4164	{	4502	{
4165	if (expect_false (ev_is_active (w)))	4503	if (expect_false (ev_is_active (w)))
4166	return;	4504	return;
4167		4505
4168	EV_FREQUENT_CHECK;	4506	EV_FREQUENT_CHECK;
…		…
4173		4511
4174	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
4175	}	4513	}
4176		4514
4177	void	4515	void
4178	ev_fork_stop (EV_P_ ev_fork *w)	4516	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4179	{	4517	{
4180	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
4182	return;	4520	return;
4183		4521
…		…
4196	}	4534	}
4197	#endif	4535	#endif
4198		4536
4199	#if EV_CLEANUP_ENABLE	4537	#if EV_CLEANUP_ENABLE
4200	void	4538	void
4201	ev_cleanup_start (EV_P_ ev_cleanup *w)	4539	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4202	{	4540	{
4203	if (expect_false (ev_is_active (w)))	4541	if (expect_false (ev_is_active (w)))
4204	return;	4542	return;
4205		4543
4206	EV_FREQUENT_CHECK;	4544	EV_FREQUENT_CHECK;
…		…
4213	ev_unref (EV_A);	4551	ev_unref (EV_A);
4214	EV_FREQUENT_CHECK;	4552	EV_FREQUENT_CHECK;
4215	}	4553	}
4216		4554
4217	void	4555	void
4218	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4556	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4219	{	4557	{
4220	clear_pending (EV_A_ (W)w);	4558	clear_pending (EV_A_ (W)w);
4221	if (expect_false (!ev_is_active (w)))	4559	if (expect_false (!ev_is_active (w)))
4222	return;	4560	return;
4223		4561
…		…
4237	}	4575	}
4238	#endif	4576	#endif
4239		4577
4240	#if EV_ASYNC_ENABLE	4578	#if EV_ASYNC_ENABLE
4241	void	4579	void
4242	ev_async_start (EV_P_ ev_async *w)	4580	ev_async_start (EV_P_ ev_async *w) EV_THROW
4243	{	4581	{
4244	if (expect_false (ev_is_active (w)))	4582	if (expect_false (ev_is_active (w)))
4245	return;	4583	return;
4246		4584
4247	w->sent = 0;	4585	w->sent = 0;
…		…
4256		4594
4257	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4258	}	4596	}
4259		4597
4260	void	4598	void
4261	ev_async_stop (EV_P_ ev_async *w)	4599	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4262	{	4600	{
4263	clear_pending (EV_A_ (W)w);	4601	clear_pending (EV_A_ (W)w);
4264	if (expect_false (!ev_is_active (w)))	4602	if (expect_false (!ev_is_active (w)))
4265	return;	4603	return;
4266		4604
…		…
4277		4615
4278	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4279	}	4617	}
4280		4618
4281	void	4619	void
4282	ev_async_send (EV_P_ ev_async *w)	4620	ev_async_send (EV_P_ ev_async *w) EV_THROW
4283	{	4621	{
4284	w->sent = 1;	4622	w->sent = 1;
4285	evpipe_write (EV_A_ &async_pending);	4623	evpipe_write (EV_A_ &async_pending);
4286	}	4624	}
4287	#endif	4625	#endif
…		…
4324		4662
4325	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4663	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4326	}	4664	}
4327		4665
4328	void	4666	void
4329	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4667	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4330	{	4668	{
4331	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4669	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4332		4670
4333	if (expect_false (!once))	4671	if (expect_false (!once))
4334	{	4672	{
…		…
4356		4694
4357	/*****************************************************************************/	4695	/*****************************************************************************/
4358		4696
4359	#if EV_WALK_ENABLE	4697	#if EV_WALK_ENABLE
4360	void ecb_cold	4698	void ecb_cold
4361	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4699	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4362	{	4700	{
4363	int i, j;	4701	int i, j;
4364	ev_watcher_list *wl, *wn;	4702	ev_watcher_list *wl, *wn;
4365		4703
4366	if (types & (EV_IO | EV_EMBED))	4704	if (types & (EV_IO | EV_EMBED))

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